From: Michael Niedermayer Date: Sat, 16 Nov 2013 22:48:16 +0000 (+0100) Subject: Merge commit '5b9c3b4505206143d85398c1410949319fa1180f' X-Git-Tag: android-x86-6.0-r1~8965 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=0ee905e243078cd4dfb3afa32777129aeee3bddb;p=android-x86%2Fexternal-ffmpeg.git Merge commit '5b9c3b4505206143d85398c1410949319fa1180f' * commit '5b9c3b4505206143d85398c1410949319fa1180f': Replace all instances of avcodec_alloc_frame() with av_frame_alloc(). Conflicts: doc/examples/decoding_encoding.c doc/examples/muxing.c ffmpeg.c libavcodec/alacenc.c libavcodec/libopenjpegenc.c libavcodec/libvpxenc.c libavcodec/pcm.c libavcodec/xbmenc.c libavcodec/xwdenc.c libavformat/utils.c Merged-by: Michael Niedermayer --- 0ee905e243078cd4dfb3afa32777129aeee3bddb diff --cc doc/examples/decoding_encoding.c index 976b611cc1,54a1ecaa3c..99aeb1c8ac --- a/doc/examples/decoding_encoding.c +++ b/doc/examples/decoding_encoding.c @@@ -156,9 -155,9 +156,9 @@@ static void audio_encode_example(const } /* frame containing input raw audio */ - frame = avcodec_alloc_frame(); + frame = av_frame_alloc(); if (!frame) { - fprintf(stderr, "could not allocate audio frame\n"); + fprintf(stderr, "Could not allocate audio frame\n"); exit(1); } @@@ -287,8 -268,8 +287,8 @@@ static void audio_decode_example(const int got_frame = 0; if (!decoded_frame) { - if (!(decoded_frame = avcodec_alloc_frame())) { + if (!(decoded_frame = av_frame_alloc())) { - fprintf(stderr, "out of memory\n"); + fprintf(stderr, "Could not allocate audio frame\n"); exit(1); } } else @@@ -386,23 -359,15 +386,23 @@@ static void video_encode_example(const exit(1); } - frame = avcodec_alloc_frame(); - ret = av_image_alloc(picture->data, picture->linesize, c->width, c->height, ++ frame = av_frame_alloc(); + if (!frame) { + fprintf(stderr, "Could not allocate video frame\n"); + exit(1); + } + frame->format = c->pix_fmt; + frame->width = c->width; + frame->height = c->height; + + /* the image can be allocated by any means and av_image_alloc() is + * just the most convenient way if av_malloc() is to be used */ + ret = av_image_alloc(frame->data, frame->linesize, c->width, c->height, c->pix_fmt, 32); if (ret < 0) { - fprintf(stderr, "could not alloc raw picture buffer\n"); + fprintf(stderr, "Could not allocate raw picture buffer\n"); exit(1); } - picture->format = c->pix_fmt; - picture->width = c->width; - picture->height = c->height; /* encode 1 second of video */ for(i=0;i<25;i++) { @@@ -565,13 -502,7 +565,13 @@@ static void video_decode_example(const exit(1); } - frame = avcodec_alloc_frame(); - frame = 0; ++ frame = av_frame_alloc(); + if (!frame) { + fprintf(stderr, "Could not allocate video frame\n"); + exit(1); + } + + frame_count = 0; for(;;) { avpkt.size = fread(inbuf, 1, INBUF_SIZE, f); if (avpkt.size == 0) diff --cc doc/examples/muxing.c index a8f979f4be,0000000000..4276114306 mode 100644,000000..100644 --- a/doc/examples/muxing.c +++ b/doc/examples/muxing.c @@@ -1,564 -1,0 +1,564 @@@ +/* + * Copyright (c) 2003 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +/** + * @file + * libavformat API example. + * + * Output a media file in any supported libavformat format. + * The default codecs are used. + * @example doc/examples/muxing.c + */ + +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +/* 5 seconds stream duration */ +#define STREAM_DURATION 200.0 +#define STREAM_FRAME_RATE 25 /* 25 images/s */ +#define STREAM_NB_FRAMES ((int)(STREAM_DURATION * STREAM_FRAME_RATE)) +#define STREAM_PIX_FMT AV_PIX_FMT_YUV420P /* default pix_fmt */ + +static int sws_flags = SWS_BICUBIC; + +/* Add an output stream. */ +static AVStream *add_stream(AVFormatContext *oc, AVCodec **codec, + enum AVCodecID codec_id) +{ + AVCodecContext *c; + AVStream *st; + + /* find the encoder */ + *codec = avcodec_find_encoder(codec_id); + if (!(*codec)) { + fprintf(stderr, "Could not find encoder for '%s'\n", + avcodec_get_name(codec_id)); + exit(1); + } + + st = avformat_new_stream(oc, *codec); + if (!st) { + fprintf(stderr, "Could not allocate stream\n"); + exit(1); + } + st->id = oc->nb_streams-1; + c = st->codec; + + switch ((*codec)->type) { + case AVMEDIA_TYPE_AUDIO: + c->sample_fmt = AV_SAMPLE_FMT_FLTP; + c->bit_rate = 64000; + c->sample_rate = 44100; + c->channels = 2; + break; + + case AVMEDIA_TYPE_VIDEO: + c->codec_id = codec_id; + + c->bit_rate = 400000; + /* Resolution must be a multiple of two. */ + c->width = 352; + c->height = 288; + /* timebase: This is the fundamental unit of time (in seconds) in terms + * of which frame timestamps are represented. For fixed-fps content, + * timebase should be 1/framerate and timestamp increments should be + * identical to 1. */ + c->time_base.den = STREAM_FRAME_RATE; + c->time_base.num = 1; + c->gop_size = 12; /* emit one intra frame every twelve frames at most */ + c->pix_fmt = STREAM_PIX_FMT; + if (c->codec_id == AV_CODEC_ID_MPEG2VIDEO) { + /* just for testing, we also add B frames */ + c->max_b_frames = 2; + } + if (c->codec_id == AV_CODEC_ID_MPEG1VIDEO) { + /* Needed to avoid using macroblocks in which some coeffs overflow. + * This does not happen with normal video, it just happens here as + * the motion of the chroma plane does not match the luma plane. */ + c->mb_decision = 2; + } + break; + + default: + break; + } + + /* Some formats want stream headers to be separate. */ + if (oc->oformat->flags & AVFMT_GLOBALHEADER) + c->flags |= CODEC_FLAG_GLOBAL_HEADER; + + return st; +} + +/**************************************************************/ +/* audio output */ + +static float t, tincr, tincr2; + +static uint8_t **src_samples_data; +static int src_samples_linesize; +static int src_nb_samples; + +static int max_dst_nb_samples; +uint8_t **dst_samples_data; +int dst_samples_linesize; +int dst_samples_size; + +struct SwrContext *swr_ctx = NULL; + +static void open_audio(AVFormatContext *oc, AVCodec *codec, AVStream *st) +{ + AVCodecContext *c; + int ret; + + c = st->codec; + + /* open it */ + ret = avcodec_open2(c, codec, NULL); + if (ret < 0) { + fprintf(stderr, "Could not open audio codec: %s\n", av_err2str(ret)); + exit(1); + } + + /* init signal generator */ + t = 0; + tincr = 2 * M_PI * 110.0 / c->sample_rate; + /* increment frequency by 110 Hz per second */ + tincr2 = 2 * M_PI * 110.0 / c->sample_rate / c->sample_rate; + + src_nb_samples = c->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE ? + 10000 : c->frame_size; + + ret = av_samples_alloc_array_and_samples(&src_samples_data, &src_samples_linesize, c->channels, + src_nb_samples, c->sample_fmt, 0); + if (ret < 0) { + fprintf(stderr, "Could not allocate source samples\n"); + exit(1); + } + + /* create resampler context */ + if (c->sample_fmt != AV_SAMPLE_FMT_S16) { + swr_ctx = swr_alloc(); + if (!swr_ctx) { + fprintf(stderr, "Could not allocate resampler context\n"); + exit(1); + } + + /* set options */ + av_opt_set_int (swr_ctx, "in_channel_count", c->channels, 0); + av_opt_set_int (swr_ctx, "in_sample_rate", c->sample_rate, 0); + av_opt_set_sample_fmt(swr_ctx, "in_sample_fmt", AV_SAMPLE_FMT_S16, 0); + av_opt_set_int (swr_ctx, "out_channel_count", c->channels, 0); + av_opt_set_int (swr_ctx, "out_sample_rate", c->sample_rate, 0); + av_opt_set_sample_fmt(swr_ctx, "out_sample_fmt", c->sample_fmt, 0); + + /* initialize the resampling context */ + if ((ret = swr_init(swr_ctx)) < 0) { + fprintf(stderr, "Failed to initialize the resampling context\n"); + exit(1); + } + } + + /* compute the number of converted samples: buffering is avoided + * ensuring that the output buffer will contain at least all the + * converted input samples */ + max_dst_nb_samples = src_nb_samples; + ret = av_samples_alloc_array_and_samples(&dst_samples_data, &dst_samples_linesize, c->channels, + max_dst_nb_samples, c->sample_fmt, 0); + if (ret < 0) { + fprintf(stderr, "Could not allocate destination samples\n"); + exit(1); + } + dst_samples_size = av_samples_get_buffer_size(NULL, c->channels, max_dst_nb_samples, + c->sample_fmt, 0); +} + +/* Prepare a 16 bit dummy audio frame of 'frame_size' samples and + * 'nb_channels' channels. */ +static void get_audio_frame(int16_t *samples, int frame_size, int nb_channels) +{ + int j, i, v; + int16_t *q; + + q = samples; + for (j = 0; j < frame_size; j++) { + v = (int)(sin(t) * 10000); + for (i = 0; i < nb_channels; i++) + *q++ = v; + t += tincr; + tincr += tincr2; + } +} + +static void write_audio_frame(AVFormatContext *oc, AVStream *st) +{ + AVCodecContext *c; + AVPacket pkt = { 0 }; // data and size must be 0; - AVFrame *frame = avcodec_alloc_frame(); ++ AVFrame *frame = av_frame_alloc(); + int got_packet, ret, dst_nb_samples; + + av_init_packet(&pkt); + c = st->codec; + + get_audio_frame((int16_t *)src_samples_data[0], src_nb_samples, c->channels); + + /* convert samples from native format to destination codec format, using the resampler */ + if (swr_ctx) { + /* compute destination number of samples */ + dst_nb_samples = av_rescale_rnd(swr_get_delay(swr_ctx, c->sample_rate) + src_nb_samples, + c->sample_rate, c->sample_rate, AV_ROUND_UP); + if (dst_nb_samples > max_dst_nb_samples) { + av_free(dst_samples_data[0]); + ret = av_samples_alloc(dst_samples_data, &dst_samples_linesize, c->channels, + dst_nb_samples, c->sample_fmt, 0); + if (ret < 0) + exit(1); + max_dst_nb_samples = dst_nb_samples; + dst_samples_size = av_samples_get_buffer_size(NULL, c->channels, dst_nb_samples, + c->sample_fmt, 0); + } + + /* convert to destination format */ + ret = swr_convert(swr_ctx, + dst_samples_data, dst_nb_samples, + (const uint8_t **)src_samples_data, src_nb_samples); + if (ret < 0) { + fprintf(stderr, "Error while converting\n"); + exit(1); + } + } else { + dst_samples_data[0] = src_samples_data[0]; + dst_nb_samples = src_nb_samples; + } + + frame->nb_samples = dst_nb_samples; + avcodec_fill_audio_frame(frame, c->channels, c->sample_fmt, + dst_samples_data[0], dst_samples_size, 0); + + ret = avcodec_encode_audio2(c, &pkt, frame, &got_packet); + if (ret < 0) { + fprintf(stderr, "Error encoding audio frame: %s\n", av_err2str(ret)); + exit(1); + } + + if (!got_packet) + return; + + pkt.stream_index = st->index; + + /* Write the compressed frame to the media file. */ + ret = av_interleaved_write_frame(oc, &pkt); + if (ret != 0) { + fprintf(stderr, "Error while writing audio frame: %s\n", + av_err2str(ret)); + exit(1); + } + avcodec_free_frame(&frame); +} + +static void close_audio(AVFormatContext *oc, AVStream *st) +{ + avcodec_close(st->codec); + av_free(src_samples_data[0]); + av_free(dst_samples_data[0]); +} + +/**************************************************************/ +/* video output */ + +static AVFrame *frame; +static AVPicture src_picture, dst_picture; +static int frame_count; + +static void open_video(AVFormatContext *oc, AVCodec *codec, AVStream *st) +{ + int ret; + AVCodecContext *c = st->codec; + + /* open the codec */ + ret = avcodec_open2(c, codec, NULL); + if (ret < 0) { + fprintf(stderr, "Could not open video codec: %s\n", av_err2str(ret)); + exit(1); + } + + /* allocate and init a re-usable frame */ - frame = avcodec_alloc_frame(); ++ frame = av_frame_alloc(); + if (!frame) { + fprintf(stderr, "Could not allocate video frame\n"); + exit(1); + } + + /* Allocate the encoded raw picture. */ + ret = avpicture_alloc(&dst_picture, c->pix_fmt, c->width, c->height); + if (ret < 0) { + fprintf(stderr, "Could not allocate picture: %s\n", av_err2str(ret)); + exit(1); + } + + /* If the output format is not YUV420P, then a temporary YUV420P + * picture is needed too. It is then converted to the required + * output format. */ + if (c->pix_fmt != AV_PIX_FMT_YUV420P) { + ret = avpicture_alloc(&src_picture, AV_PIX_FMT_YUV420P, c->width, c->height); + if (ret < 0) { + fprintf(stderr, "Could not allocate temporary picture: %s\n", + av_err2str(ret)); + exit(1); + } + } + + /* copy data and linesize picture pointers to frame */ + *((AVPicture *)frame) = dst_picture; +} + +/* Prepare a dummy image. */ +static void fill_yuv_image(AVPicture *pict, int frame_index, + int width, int height) +{ + int x, y, i; + + i = frame_index; + + /* Y */ + for (y = 0; y < height; y++) + for (x = 0; x < width; x++) + pict->data[0][y * pict->linesize[0] + x] = x + y + i * 3; + + /* Cb and Cr */ + for (y = 0; y < height / 2; y++) { + for (x = 0; x < width / 2; x++) { + pict->data[1][y * pict->linesize[1] + x] = 128 + y + i * 2; + pict->data[2][y * pict->linesize[2] + x] = 64 + x + i * 5; + } + } +} + +static void write_video_frame(AVFormatContext *oc, AVStream *st) +{ + int ret; + static struct SwsContext *sws_ctx; + AVCodecContext *c = st->codec; + + if (frame_count >= STREAM_NB_FRAMES) { + /* No more frames to compress. The codec has a latency of a few + * frames if using B-frames, so we get the last frames by + * passing the same picture again. */ + } else { + if (c->pix_fmt != AV_PIX_FMT_YUV420P) { + /* as we only generate a YUV420P picture, we must convert it + * to the codec pixel format if needed */ + if (!sws_ctx) { + sws_ctx = sws_getContext(c->width, c->height, AV_PIX_FMT_YUV420P, + c->width, c->height, c->pix_fmt, + sws_flags, NULL, NULL, NULL); + if (!sws_ctx) { + fprintf(stderr, + "Could not initialize the conversion context\n"); + exit(1); + } + } + fill_yuv_image(&src_picture, frame_count, c->width, c->height); + sws_scale(sws_ctx, + (const uint8_t * const *)src_picture.data, src_picture.linesize, + 0, c->height, dst_picture.data, dst_picture.linesize); + } else { + fill_yuv_image(&dst_picture, frame_count, c->width, c->height); + } + } + + if (oc->oformat->flags & AVFMT_RAWPICTURE) { + /* Raw video case - directly store the picture in the packet */ + AVPacket pkt; + av_init_packet(&pkt); + + pkt.flags |= AV_PKT_FLAG_KEY; + pkt.stream_index = st->index; + pkt.data = dst_picture.data[0]; + pkt.size = sizeof(AVPicture); + + ret = av_interleaved_write_frame(oc, &pkt); + } else { + AVPacket pkt = { 0 }; + int got_packet; + av_init_packet(&pkt); + + /* encode the image */ + ret = avcodec_encode_video2(c, &pkt, frame, &got_packet); + if (ret < 0) { + fprintf(stderr, "Error encoding video frame: %s\n", av_err2str(ret)); + exit(1); + } + /* If size is zero, it means the image was buffered. */ + + if (!ret && got_packet && pkt.size) { + pkt.stream_index = st->index; + + /* Write the compressed frame to the media file. */ + ret = av_interleaved_write_frame(oc, &pkt); + } else { + ret = 0; + } + } + if (ret != 0) { + fprintf(stderr, "Error while writing video frame: %s\n", av_err2str(ret)); + exit(1); + } + frame_count++; +} + +static void close_video(AVFormatContext *oc, AVStream *st) +{ + avcodec_close(st->codec); + av_free(src_picture.data[0]); + av_free(dst_picture.data[0]); + av_free(frame); +} + +/**************************************************************/ +/* media file output */ + +int main(int argc, char **argv) +{ + const char *filename; + AVOutputFormat *fmt; + AVFormatContext *oc; + AVStream *audio_st, *video_st; + AVCodec *audio_codec, *video_codec; + double audio_time, video_time; + int ret; + + /* Initialize libavcodec, and register all codecs and formats. */ + av_register_all(); + + if (argc != 2) { + printf("usage: %s output_file\n" + "API example program to output a media file with libavformat.\n" + "This program generates a synthetic audio and video stream, encodes and\n" + "muxes them into a file named output_file.\n" + "The output format is automatically guessed according to the file extension.\n" + "Raw images can also be output by using '%%d' in the filename.\n" + "\n", argv[0]); + return 1; + } + + filename = argv[1]; + + /* allocate the output media context */ + avformat_alloc_output_context2(&oc, NULL, NULL, filename); + if (!oc) { + printf("Could not deduce output format from file extension: using MPEG.\n"); + avformat_alloc_output_context2(&oc, NULL, "mpeg", filename); + } + if (!oc) { + return 1; + } + fmt = oc->oformat; + + /* Add the audio and video streams using the default format codecs + * and initialize the codecs. */ + video_st = NULL; + audio_st = NULL; + + if (fmt->video_codec != AV_CODEC_ID_NONE) { + video_st = add_stream(oc, &video_codec, fmt->video_codec); + } + if (fmt->audio_codec != AV_CODEC_ID_NONE) { + audio_st = add_stream(oc, &audio_codec, fmt->audio_codec); + } + + /* Now that all the parameters are set, we can open the audio and + * video codecs and allocate the necessary encode buffers. */ + if (video_st) + open_video(oc, video_codec, video_st); + if (audio_st) + open_audio(oc, audio_codec, audio_st); + + av_dump_format(oc, 0, filename, 1); + + /* open the output file, if needed */ + if (!(fmt->flags & AVFMT_NOFILE)) { + ret = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE); + if (ret < 0) { + fprintf(stderr, "Could not open '%s': %s\n", filename, + av_err2str(ret)); + return 1; + } + } + + /* Write the stream header, if any. */ + ret = avformat_write_header(oc, NULL); + if (ret < 0) { + fprintf(stderr, "Error occurred when opening output file: %s\n", + av_err2str(ret)); + return 1; + } + + if (frame) + frame->pts = 0; + for (;;) { + /* Compute current audio and video time. */ + audio_time = audio_st ? audio_st->pts.val * av_q2d(audio_st->time_base) : 0.0; + video_time = video_st ? video_st->pts.val * av_q2d(video_st->time_base) : 0.0; + + if ((!audio_st || audio_time >= STREAM_DURATION) && + (!video_st || video_time >= STREAM_DURATION)) + break; + + /* write interleaved audio and video frames */ + if (!video_st || (video_st && audio_st && audio_time < video_time)) { + write_audio_frame(oc, audio_st); + } else { + write_video_frame(oc, video_st); + frame->pts += av_rescale_q(1, video_st->codec->time_base, video_st->time_base); + } + } + + /* Write the trailer, if any. The trailer must be written before you + * close the CodecContexts open when you wrote the header; otherwise + * av_write_trailer() may try to use memory that was freed on + * av_codec_close(). */ + av_write_trailer(oc); + + /* Close each codec. */ + if (video_st) + close_video(oc, video_st); + if (audio_st) + close_audio(oc, audio_st); + + if (!(fmt->flags & AVFMT_NOFILE)) + /* Close the output file. */ + avio_close(oc->pb); + + /* free the stream */ + avformat_free_context(oc); + + return 0; +} diff --cc ffmpeg.c index 732fac0cda,0000000000..b2cebb8da5 mode 100644,000000..100644 --- a/ffmpeg.c +++ b/ffmpeg.c @@@ -1,3469 -1,0 +1,3469 @@@ +/* + * Copyright (c) 2000-2003 Fabrice Bellard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * multimedia converter based on the FFmpeg libraries + */ + +#include "config.h" +#include +#include +#include +#include +#include +#include +#if HAVE_ISATTY +#if HAVE_IO_H +#include +#endif +#if HAVE_UNISTD_H +#include +#endif +#endif +#include "libavformat/avformat.h" +#include "libavdevice/avdevice.h" +#include "libswresample/swresample.h" +#include "libavutil/opt.h" +#include "libavutil/channel_layout.h" +#include "libavutil/parseutils.h" +#include "libavutil/samplefmt.h" +#include "libavutil/fifo.h" +#include "libavutil/intreadwrite.h" +#include "libavutil/dict.h" +#include "libavutil/mathematics.h" +#include "libavutil/pixdesc.h" +#include "libavutil/avstring.h" +#include "libavutil/libm.h" +#include "libavutil/imgutils.h" +#include "libavutil/timestamp.h" +#include "libavutil/bprint.h" +#include "libavutil/time.h" +#include "libavformat/os_support.h" + +#include "libavformat/ffm.h" // not public API + +# include "libavfilter/avcodec.h" +# include "libavfilter/avfilter.h" +# include "libavfilter/buffersrc.h" +# include "libavfilter/buffersink.h" + +#if HAVE_SYS_RESOURCE_H +#include +#include +#include +#elif HAVE_GETPROCESSTIMES +#include +#endif +#if HAVE_GETPROCESSMEMORYINFO +#include +#include +#endif + +#if HAVE_SYS_SELECT_H +#include +#endif + +#if HAVE_TERMIOS_H +#include +#include +#include +#include +#elif HAVE_KBHIT +#include +#endif + +#if HAVE_PTHREADS +#include +#endif + +#include + +#include "ffmpeg.h" +#include "cmdutils.h" + +#include "libavutil/avassert.h" + +const char program_name[] = "ffmpeg"; +const int program_birth_year = 2000; + +static FILE *vstats_file; + +const char *const forced_keyframes_const_names[] = { + "n", + "n_forced", + "prev_forced_n", + "prev_forced_t", + "t", + NULL +}; + +static void do_video_stats(OutputStream *ost, int frame_size); +static int64_t getutime(void); +static int64_t getmaxrss(void); + +static int run_as_daemon = 0; +static int64_t video_size = 0; +static int64_t audio_size = 0; +static int64_t subtitle_size = 0; +static int64_t extra_size = 0; +static int nb_frames_dup = 0; +static int nb_frames_drop = 0; +static int64_t decode_error_stat[2]; + +static int current_time; +AVIOContext *progress_avio = NULL; + +static uint8_t *subtitle_out; + +#if HAVE_PTHREADS +/* signal to input threads that they should exit; set by the main thread */ +static int transcoding_finished; +#endif + +#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass" + +InputStream **input_streams = NULL; +int nb_input_streams = 0; +InputFile **input_files = NULL; +int nb_input_files = 0; + +OutputStream **output_streams = NULL; +int nb_output_streams = 0; +OutputFile **output_files = NULL; +int nb_output_files = 0; + +FilterGraph **filtergraphs; +int nb_filtergraphs; + +#if HAVE_TERMIOS_H + +/* init terminal so that we can grab keys */ +static struct termios oldtty; +static int restore_tty; +#endif + +static void free_input_threads(void); + + +/* sub2video hack: + Convert subtitles to video with alpha to insert them in filter graphs. + This is a temporary solution until libavfilter gets real subtitles support. + */ + +static int sub2video_get_blank_frame(InputStream *ist) +{ + int ret; + AVFrame *frame = ist->sub2video.frame; + + av_frame_unref(frame); + ist->sub2video.frame->width = ist->sub2video.w; + ist->sub2video.frame->height = ist->sub2video.h; + ist->sub2video.frame->format = AV_PIX_FMT_RGB32; + if ((ret = av_frame_get_buffer(frame, 32)) < 0) + return ret; + memset(frame->data[0], 0, frame->height * frame->linesize[0]); + return 0; +} + +static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h, + AVSubtitleRect *r) +{ + uint32_t *pal, *dst2; + uint8_t *src, *src2; + int x, y; + + if (r->type != SUBTITLE_BITMAP) { + av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n"); + return; + } + if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) { + av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n"); + return; + } + + dst += r->y * dst_linesize + r->x * 4; + src = r->pict.data[0]; + pal = (uint32_t *)r->pict.data[1]; + for (y = 0; y < r->h; y++) { + dst2 = (uint32_t *)dst; + src2 = src; + for (x = 0; x < r->w; x++) + *(dst2++) = pal[*(src2++)]; + dst += dst_linesize; + src += r->pict.linesize[0]; + } +} + +static void sub2video_push_ref(InputStream *ist, int64_t pts) +{ + AVFrame *frame = ist->sub2video.frame; + int i; + + av_assert1(frame->data[0]); + ist->sub2video.last_pts = frame->pts = pts; + for (i = 0; i < ist->nb_filters; i++) + av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame, + AV_BUFFERSRC_FLAG_KEEP_REF | + AV_BUFFERSRC_FLAG_PUSH); +} + +static void sub2video_update(InputStream *ist, AVSubtitle *sub) +{ + int w = ist->sub2video.w, h = ist->sub2video.h; + AVFrame *frame = ist->sub2video.frame; + int8_t *dst; + int dst_linesize; + int num_rects, i; + int64_t pts, end_pts; + + if (!frame) + return; + if (sub) { + pts = av_rescale_q(sub->pts + sub->start_display_time * 1000, + AV_TIME_BASE_Q, ist->st->time_base); + end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000, + AV_TIME_BASE_Q, ist->st->time_base); + num_rects = sub->num_rects; + } else { + pts = ist->sub2video.end_pts; + end_pts = INT64_MAX; + num_rects = 0; + } + if (sub2video_get_blank_frame(ist) < 0) { + av_log(ist->st->codec, AV_LOG_ERROR, + "Impossible to get a blank canvas.\n"); + return; + } + dst = frame->data [0]; + dst_linesize = frame->linesize[0]; + for (i = 0; i < num_rects; i++) + sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]); + sub2video_push_ref(ist, pts); + ist->sub2video.end_pts = end_pts; +} + +static void sub2video_heartbeat(InputStream *ist, int64_t pts) +{ + InputFile *infile = input_files[ist->file_index]; + int i, j, nb_reqs; + int64_t pts2; + + /* When a frame is read from a file, examine all sub2video streams in + the same file and send the sub2video frame again. Otherwise, decoded + video frames could be accumulating in the filter graph while a filter + (possibly overlay) is desperately waiting for a subtitle frame. */ + for (i = 0; i < infile->nb_streams; i++) { + InputStream *ist2 = input_streams[infile->ist_index + i]; + if (!ist2->sub2video.frame) + continue; + /* subtitles seem to be usually muxed ahead of other streams; + if not, substracting a larger time here is necessary */ + pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1; + /* do not send the heartbeat frame if the subtitle is already ahead */ + if (pts2 <= ist2->sub2video.last_pts) + continue; + if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0]) + sub2video_update(ist2, NULL); + for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++) + nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter); + if (nb_reqs) + sub2video_push_ref(ist2, pts2); + } +} + +static void sub2video_flush(InputStream *ist) +{ + int i; + + for (i = 0; i < ist->nb_filters; i++) + av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0); +} + +/* end of sub2video hack */ + +void term_exit(void) +{ + av_log(NULL, AV_LOG_QUIET, "%s", ""); +#if HAVE_TERMIOS_H + if(restore_tty) + tcsetattr (0, TCSANOW, &oldtty); +#endif +} + +static volatile int received_sigterm = 0; +static volatile int received_nb_signals = 0; + +static void +sigterm_handler(int sig) +{ + received_sigterm = sig; + received_nb_signals++; + term_exit(); + if(received_nb_signals > 3) + exit_program(123); +} + +void term_init(void) +{ +#if HAVE_TERMIOS_H + if(!run_as_daemon){ + struct termios tty; + int istty = 1; +#if HAVE_ISATTY + istty = isatty(0) && isatty(2); +#endif + if (istty && tcgetattr (0, &tty) == 0) { + oldtty = tty; + restore_tty = 1; + + tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP + |INLCR|IGNCR|ICRNL|IXON); + tty.c_oflag |= OPOST; + tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); + tty.c_cflag &= ~(CSIZE|PARENB); + tty.c_cflag |= CS8; + tty.c_cc[VMIN] = 1; + tty.c_cc[VTIME] = 0; + + tcsetattr (0, TCSANOW, &tty); + } + signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */ + } +#endif + avformat_network_deinit(); + + signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */ + signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */ +#ifdef SIGXCPU + signal(SIGXCPU, sigterm_handler); +#endif +} + +/* read a key without blocking */ +static int read_key(void) +{ + unsigned char ch; +#if HAVE_TERMIOS_H + int n = 1; + struct timeval tv; + fd_set rfds; + + FD_ZERO(&rfds); + FD_SET(0, &rfds); + tv.tv_sec = 0; + tv.tv_usec = 0; + n = select(1, &rfds, NULL, NULL, &tv); + if (n > 0) { + n = read(0, &ch, 1); + if (n == 1) + return ch; + + return n; + } +#elif HAVE_KBHIT +# if HAVE_PEEKNAMEDPIPE + static int is_pipe; + static HANDLE input_handle; + DWORD dw, nchars; + if(!input_handle){ + input_handle = GetStdHandle(STD_INPUT_HANDLE); + is_pipe = !GetConsoleMode(input_handle, &dw); + } + + if (stdin->_cnt > 0) { + read(0, &ch, 1); + return ch; + } + if (is_pipe) { + /* When running under a GUI, you will end here. */ + if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) { + // input pipe may have been closed by the program that ran ffmpeg + return -1; + } + //Read it + if(nchars != 0) { + read(0, &ch, 1); + return ch; + }else{ + return -1; + } + } +# endif + if(kbhit()) + return(getch()); +#endif + return -1; +} + +static int decode_interrupt_cb(void *ctx) +{ + return received_nb_signals > 1; +} + +const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL }; + +static void ffmpeg_cleanup(int ret) +{ + int i, j; + + if (do_benchmark) { + int maxrss = getmaxrss() / 1024; + printf("bench: maxrss=%ikB\n", maxrss); + } + + for (i = 0; i < nb_filtergraphs; i++) { + avfilter_graph_free(&filtergraphs[i]->graph); + for (j = 0; j < filtergraphs[i]->nb_inputs; j++) { + av_freep(&filtergraphs[i]->inputs[j]->name); + av_freep(&filtergraphs[i]->inputs[j]); + } + av_freep(&filtergraphs[i]->inputs); + for (j = 0; j < filtergraphs[i]->nb_outputs; j++) { + av_freep(&filtergraphs[i]->outputs[j]->name); + av_freep(&filtergraphs[i]->outputs[j]); + } + av_freep(&filtergraphs[i]->outputs); + av_freep(&filtergraphs[i]->graph_desc); + av_freep(&filtergraphs[i]); + } + av_freep(&filtergraphs); + + av_freep(&subtitle_out); + + /* close files */ + for (i = 0; i < nb_output_files; i++) { + AVFormatContext *s = output_files[i]->ctx; + if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb) + avio_close(s->pb); + avformat_free_context(s); + av_dict_free(&output_files[i]->opts); + av_freep(&output_files[i]); + } + for (i = 0; i < nb_output_streams; i++) { + AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters; + while (bsfc) { + AVBitStreamFilterContext *next = bsfc->next; + av_bitstream_filter_close(bsfc); + bsfc = next; + } + output_streams[i]->bitstream_filters = NULL; + avcodec_free_frame(&output_streams[i]->filtered_frame); + + av_parser_close(output_streams[i]->parser); + + av_freep(&output_streams[i]->forced_keyframes); + av_expr_free(output_streams[i]->forced_keyframes_pexpr); + av_freep(&output_streams[i]->avfilter); + av_freep(&output_streams[i]->logfile_prefix); + av_freep(&output_streams[i]); + } +#if HAVE_PTHREADS + free_input_threads(); +#endif + for (i = 0; i < nb_input_files; i++) { + avformat_close_input(&input_files[i]->ctx); + av_freep(&input_files[i]); + } + for (i = 0; i < nb_input_streams; i++) { + av_frame_free(&input_streams[i]->decoded_frame); + av_frame_free(&input_streams[i]->filter_frame); + av_dict_free(&input_streams[i]->opts); + avsubtitle_free(&input_streams[i]->prev_sub.subtitle); + av_frame_free(&input_streams[i]->sub2video.frame); + av_freep(&input_streams[i]->filters); + av_freep(&input_streams[i]); + } + + if (vstats_file) + fclose(vstats_file); + av_free(vstats_filename); + + av_freep(&input_streams); + av_freep(&input_files); + av_freep(&output_streams); + av_freep(&output_files); + + uninit_opts(); + + avformat_network_deinit(); + + if (received_sigterm) { + av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n", + (int) received_sigterm); + } + term_exit(); +} + +void assert_avoptions(AVDictionary *m) +{ + AVDictionaryEntry *t; + if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) { + av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key); + exit_program(1); + } +} + +static void abort_codec_experimental(AVCodec *c, int encoder) +{ + exit_program(1); +} + +static void update_benchmark(const char *fmt, ...) +{ + if (do_benchmark_all) { + int64_t t = getutime(); + va_list va; + char buf[1024]; + + if (fmt) { + va_start(va, fmt); + vsnprintf(buf, sizeof(buf), fmt, va); + va_end(va); + printf("bench: %8"PRIu64" %s \n", t - current_time, buf); + } + current_time = t; + } +} + +static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost) +{ + AVBitStreamFilterContext *bsfc = ost->bitstream_filters; + AVCodecContext *avctx = ost->st->codec; + int ret; + + if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) || + (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0)) + pkt->pts = pkt->dts = AV_NOPTS_VALUE; + + /* + * Audio encoders may split the packets -- #frames in != #packets out. + * But there is no reordering, so we can limit the number of output packets + * by simply dropping them here. + * Counting encoded video frames needs to be done separately because of + * reordering, see do_video_out() + */ + if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) { + if (ost->frame_number >= ost->max_frames) { + av_free_packet(pkt); + return; + } + ost->frame_number++; + } + + while (bsfc) { + AVPacket new_pkt = *pkt; + int a = av_bitstream_filter_filter(bsfc, avctx, NULL, + &new_pkt.data, &new_pkt.size, + pkt->data, pkt->size, + pkt->flags & AV_PKT_FLAG_KEY); + if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) { + uint8_t *t = av_malloc(new_pkt.size + FF_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow + if(t) { + memcpy(t, new_pkt.data, new_pkt.size); + memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE); + new_pkt.data = t; + new_pkt.buf = NULL; + a = 1; + } else + a = AVERROR(ENOMEM); + } + if (a > 0) { + av_free_packet(pkt); + new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size, + av_buffer_default_free, NULL, 0); + if (!new_pkt.buf) + exit_program(1); + } else if (a < 0) { + av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s", + bsfc->filter->name, pkt->stream_index, + avctx->codec ? avctx->codec->name : "copy"); + print_error("", a); + if (exit_on_error) + exit_program(1); + } + *pkt = new_pkt; + + bsfc = bsfc->next; + } + + if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) && + (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) && + pkt->dts != AV_NOPTS_VALUE && + ost->last_mux_dts != AV_NOPTS_VALUE) { + int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT); + if (pkt->dts < max) { + int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG; + av_log(s, loglevel, "Non-monotonous DTS in output stream " + "%d:%d; previous: %"PRId64", current: %"PRId64"; ", + ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts); + if (exit_on_error) { + av_log(NULL, AV_LOG_FATAL, "aborting.\n"); + exit_program(1); + } + av_log(s, loglevel, "changing to %"PRId64". This may result " + "in incorrect timestamps in the output file.\n", + max); + if(pkt->pts >= pkt->dts) + pkt->pts = FFMAX(pkt->pts, max); + pkt->dts = max; + } + } + ost->last_mux_dts = pkt->dts; + + pkt->stream_index = ost->index; + + if (debug_ts) { + av_log(NULL, AV_LOG_INFO, "muxer <- type:%s " + "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n", + av_get_media_type_string(ost->st->codec->codec_type), + av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base), + av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base), + pkt->size + ); + } + + ret = av_interleaved_write_frame(s, pkt); + if (ret < 0) { + print_error("av_interleaved_write_frame()", ret); + exit_program(1); + } +} + +static void close_output_stream(OutputStream *ost) +{ + OutputFile *of = output_files[ost->file_index]; + + ost->finished = 1; + if (of->shortest) { + int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q); + of->recording_time = FFMIN(of->recording_time, end); + } +} + +static int check_recording_time(OutputStream *ost) +{ + OutputFile *of = output_files[ost->file_index]; + + if (of->recording_time != INT64_MAX && + av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time, + AV_TIME_BASE_Q) >= 0) { + close_output_stream(ost); + return 0; + } + return 1; +} + +static void do_audio_out(AVFormatContext *s, OutputStream *ost, + AVFrame *frame) +{ + AVCodecContext *enc = ost->st->codec; + AVPacket pkt; + int got_packet = 0; + + av_init_packet(&pkt); + pkt.data = NULL; + pkt.size = 0; + + if (!check_recording_time(ost)) + return; + + if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0) + frame->pts = ost->sync_opts; + ost->sync_opts = frame->pts + frame->nb_samples; + + av_assert0(pkt.size || !pkt.data); + update_benchmark(NULL); + if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) { + av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n"); + exit_program(1); + } + update_benchmark("encode_audio %d.%d", ost->file_index, ost->index); + + if (got_packet) { + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); + if (pkt.dts != AV_NOPTS_VALUE) + pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); + if (pkt.duration > 0) + pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base); + + if (debug_ts) { + av_log(NULL, AV_LOG_INFO, "encoder -> type:audio " + "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n", + av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base), + av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base)); + } + + audio_size += pkt.size; + write_frame(s, &pkt, ost); + + av_free_packet(&pkt); + } +} + +static void do_subtitle_out(AVFormatContext *s, + OutputStream *ost, + InputStream *ist, + AVSubtitle *sub) +{ + int subtitle_out_max_size = 1024 * 1024; + int subtitle_out_size, nb, i; + AVCodecContext *enc; + AVPacket pkt; + int64_t pts; + + if (sub->pts == AV_NOPTS_VALUE) { + av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n"); + if (exit_on_error) + exit_program(1); + return; + } + + enc = ost->st->codec; + + if (!subtitle_out) { + subtitle_out = av_malloc(subtitle_out_max_size); + } + + /* Note: DVB subtitle need one packet to draw them and one other + packet to clear them */ + /* XXX: signal it in the codec context ? */ + if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) + nb = 2; + else + nb = 1; + + /* shift timestamp to honor -ss and make check_recording_time() work with -t */ + pts = sub->pts; + if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE) + pts -= output_files[ost->file_index]->start_time; + for (i = 0; i < nb; i++) { + ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base); + if (!check_recording_time(ost)) + return; + + sub->pts = pts; + // start_display_time is required to be 0 + sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q); + sub->end_display_time -= sub->start_display_time; + sub->start_display_time = 0; + if (i == 1) + sub->num_rects = 0; + subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out, + subtitle_out_max_size, sub); + if (subtitle_out_size < 0) { + av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n"); + exit_program(1); + } + + av_init_packet(&pkt); + pkt.data = subtitle_out; + pkt.size = subtitle_out_size; + pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base); + pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base); + if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) { + /* XXX: the pts correction is handled here. Maybe handling + it in the codec would be better */ + if (i == 0) + pkt.pts += 90 * sub->start_display_time; + else + pkt.pts += 90 * sub->end_display_time; + } + subtitle_size += pkt.size; + write_frame(s, &pkt, ost); + } +} + +static void do_video_out(AVFormatContext *s, + OutputStream *ost, + AVFrame *in_picture) +{ + int ret, format_video_sync; + AVPacket pkt; + AVCodecContext *enc = ost->st->codec; + int nb_frames, i; + double sync_ipts, delta; + double duration = 0; + int frame_size = 0; + InputStream *ist = NULL; + + if (ost->source_index >= 0) + ist = input_streams[ost->source_index]; + + if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num) + duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)); + + sync_ipts = in_picture->pts; + delta = sync_ipts - ost->sync_opts + duration; + + /* by default, we output a single frame */ + nb_frames = 1; + + format_video_sync = video_sync_method; + if (format_video_sync == VSYNC_AUTO) { + if(!strcmp(s->oformat->name, "avi")) { + format_video_sync = VSYNC_VFR; + } else + format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR; + if ( ist + && format_video_sync == VSYNC_CFR + && input_files[ist->file_index]->ctx->nb_streams == 1 + && input_files[ist->file_index]->input_ts_offset == 0) { + format_video_sync = VSYNC_VSCFR; + } + } + + switch (format_video_sync) { + case VSYNC_VSCFR: + if (ost->frame_number == 0 && delta - duration >= 0.5) { + av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration)); + delta = duration; + ost->sync_opts = lrint(sync_ipts); + } + case VSYNC_CFR: + // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c + if (delta < -1.1) + nb_frames = 0; + else if (delta > 1.1) + nb_frames = lrintf(delta); + break; + case VSYNC_VFR: + if (delta <= -0.6) + nb_frames = 0; + else if (delta > 0.6) + ost->sync_opts = lrint(sync_ipts); + break; + case VSYNC_DROP: + case VSYNC_PASSTHROUGH: + ost->sync_opts = lrint(sync_ipts); + break; + default: + av_assert0(0); + } + + nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number); + if (nb_frames == 0) { + nb_frames_drop++; + av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n"); + return; + } else if (nb_frames > 1) { + if (nb_frames > dts_error_threshold * 30) { + av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1); + nb_frames_drop++; + return; + } + nb_frames_dup += nb_frames - 1; + av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1); + } + + /* duplicates frame if needed */ + for (i = 0; i < nb_frames; i++) { + av_init_packet(&pkt); + pkt.data = NULL; + pkt.size = 0; + + in_picture->pts = ost->sync_opts; + +#if 1 + if (!check_recording_time(ost)) +#else + if (ost->frame_number >= ost->max_frames) +#endif + return; + + if (s->oformat->flags & AVFMT_RAWPICTURE && + enc->codec->id == AV_CODEC_ID_RAWVIDEO) { + /* raw pictures are written as AVPicture structure to + avoid any copies. We support temporarily the older + method. */ + enc->coded_frame->interlaced_frame = in_picture->interlaced_frame; + enc->coded_frame->top_field_first = in_picture->top_field_first; + if (enc->coded_frame->interlaced_frame) + enc->field_order = enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT; + else + enc->field_order = AV_FIELD_PROGRESSIVE; + pkt.data = (uint8_t *)in_picture; + pkt.size = sizeof(AVPicture); + pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base); + pkt.flags |= AV_PKT_FLAG_KEY; + + video_size += pkt.size; + write_frame(s, &pkt, ost); + } else { + int got_packet, forced_keyframe = 0; + double pts_time; + + if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) && + ost->top_field_first >= 0) + in_picture->top_field_first = !!ost->top_field_first; + + if (in_picture->interlaced_frame) { + if (enc->codec->id == AV_CODEC_ID_MJPEG) + enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB; + else + enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT; + } else + enc->field_order = AV_FIELD_PROGRESSIVE; + + in_picture->quality = ost->st->codec->global_quality; + if (!enc->me_threshold) + in_picture->pict_type = 0; + + pts_time = in_picture->pts != AV_NOPTS_VALUE ? + in_picture->pts * av_q2d(enc->time_base) : NAN; + if (ost->forced_kf_index < ost->forced_kf_count && + in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) { + ost->forced_kf_index++; + forced_keyframe = 1; + } else if (ost->forced_keyframes_pexpr) { + double res; + ost->forced_keyframes_expr_const_values[FKF_T] = pts_time; + res = av_expr_eval(ost->forced_keyframes_pexpr, + ost->forced_keyframes_expr_const_values, NULL); + av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n", + ost->forced_keyframes_expr_const_values[FKF_N], + ost->forced_keyframes_expr_const_values[FKF_N_FORCED], + ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N], + ost->forced_keyframes_expr_const_values[FKF_T], + ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T], + res); + if (res) { + forced_keyframe = 1; + ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = + ost->forced_keyframes_expr_const_values[FKF_N]; + ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = + ost->forced_keyframes_expr_const_values[FKF_T]; + ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1; + } + + ost->forced_keyframes_expr_const_values[FKF_N] += 1; + } + if (forced_keyframe) { + in_picture->pict_type = AV_PICTURE_TYPE_I; + av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time); + } + + update_benchmark(NULL); + ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet); + update_benchmark("encode_video %d.%d", ost->file_index, ost->index); + if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n"); + exit_program(1); + } + + if (got_packet) { + if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY)) + pkt.pts = ost->sync_opts; + + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); + if (pkt.dts != AV_NOPTS_VALUE) + pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); + + if (debug_ts) { + av_log(NULL, AV_LOG_INFO, "encoder -> type:video " + "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n", + av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base), + av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base)); + } + + frame_size = pkt.size; + video_size += pkt.size; + write_frame(s, &pkt, ost); + av_free_packet(&pkt); + + /* if two pass, output log */ + if (ost->logfile && enc->stats_out) { + fprintf(ost->logfile, "%s", enc->stats_out); + } + } + } + ost->sync_opts++; + /* + * For video, number of frames in == number of packets out. + * But there may be reordering, so we can't throw away frames on encoder + * flush, we need to limit them here, before they go into encoder. + */ + ost->frame_number++; + + if (vstats_filename && frame_size) + do_video_stats(ost, frame_size); + } +} + +static double psnr(double d) +{ + return -10.0 * log(d) / log(10.0); +} + +static void do_video_stats(OutputStream *ost, int frame_size) +{ + AVCodecContext *enc; + int frame_number; + double ti1, bitrate, avg_bitrate; + + /* this is executed just the first time do_video_stats is called */ + if (!vstats_file) { + vstats_file = fopen(vstats_filename, "w"); + if (!vstats_file) { + perror("fopen"); + exit_program(1); + } + } + + enc = ost->st->codec; + if (enc->codec_type == AVMEDIA_TYPE_VIDEO) { + frame_number = ost->st->nb_frames; + fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA); + if (enc->flags&CODEC_FLAG_PSNR) + fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0))); + + fprintf(vstats_file,"f_size= %6d ", frame_size); + /* compute pts value */ + ti1 = ost->st->pts.val * av_q2d(enc->time_base); + if (ti1 < 0.01) + ti1 = 0.01; + + bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0; + avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0; + fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ", + (double)video_size / 1024, ti1, bitrate, avg_bitrate); + fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type)); + } +} + +/** + * Get and encode new output from any of the filtergraphs, without causing + * activity. + * + * @return 0 for success, <0 for severe errors + */ +static int reap_filters(void) +{ + AVFrame *filtered_frame = NULL; + int i; + int64_t frame_pts; + + /* Reap all buffers present in the buffer sinks */ + for (i = 0; i < nb_output_streams; i++) { + OutputStream *ost = output_streams[i]; + OutputFile *of = output_files[ost->file_index]; + int ret = 0; + + if (!ost->filter) + continue; + - if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) { ++ if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) { + return AVERROR(ENOMEM); + } else + avcodec_get_frame_defaults(ost->filtered_frame); + filtered_frame = ost->filtered_frame; + + while (1) { + ret = av_buffersink_get_frame_flags(ost->filter->filter, filtered_frame, + AV_BUFFERSINK_FLAG_NO_REQUEST); + if (ret < 0) { + if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) { + av_log(NULL, AV_LOG_WARNING, + "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret)); + } + break; + } + frame_pts = AV_NOPTS_VALUE; + if (filtered_frame->pts != AV_NOPTS_VALUE) { + int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time; + filtered_frame->pts = frame_pts = av_rescale_q(filtered_frame->pts, + ost->filter->filter->inputs[0]->time_base, + ost->st->codec->time_base) - + av_rescale_q(start_time, + AV_TIME_BASE_Q, + ost->st->codec->time_base); + } + //if (ost->source_index >= 0) + // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold + + + switch (ost->filter->filter->inputs[0]->type) { + case AVMEDIA_TYPE_VIDEO: + filtered_frame->pts = frame_pts; + if (!ost->frame_aspect_ratio.num) + ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio; + + do_video_out(of->ctx, ost, filtered_frame); + break; + case AVMEDIA_TYPE_AUDIO: + filtered_frame->pts = frame_pts; + if (!(ost->st->codec->codec->capabilities & CODEC_CAP_PARAM_CHANGE) && + ost->st->codec->channels != av_frame_get_channels(filtered_frame)) { + av_log(NULL, AV_LOG_ERROR, + "Audio filter graph output is not normalized and encoder does not support parameter changes\n"); + break; + } + do_audio_out(of->ctx, ost, filtered_frame); + break; + default: + // TODO support subtitle filters + av_assert0(0); + } + + av_frame_unref(filtered_frame); + } + } + + return 0; +} + +static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time) +{ + char buf[1024]; + AVBPrint buf_script; + OutputStream *ost; + AVFormatContext *oc; + int64_t total_size; + AVCodecContext *enc; + int frame_number, vid, i; + double bitrate; + int64_t pts = INT64_MIN; + static int64_t last_time = -1; + static int qp_histogram[52]; + int hours, mins, secs, us; + + if (!print_stats && !is_last_report && !progress_avio) + return; + + if (!is_last_report) { + if (last_time == -1) { + last_time = cur_time; + return; + } + if ((cur_time - last_time) < 500000) + return; + last_time = cur_time; + } + + + oc = output_files[0]->ctx; + + total_size = avio_size(oc->pb); + if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too + total_size = avio_tell(oc->pb); + + buf[0] = '\0'; + vid = 0; + av_bprint_init(&buf_script, 0, 1); + for (i = 0; i < nb_output_streams; i++) { + float q = -1; + ost = output_streams[i]; + enc = ost->st->codec; + if (!ost->stream_copy && enc->coded_frame) + q = enc->coded_frame->quality / (float)FF_QP2LAMBDA; + if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q); + av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n", + ost->file_index, ost->index, q); + } + if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { + float fps, t = (cur_time-timer_start) / 1000000.0; + + frame_number = ost->frame_number; + fps = t > 1 ? frame_number / t : 0; + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ", + frame_number, fps < 9.95, fps, q); + av_bprintf(&buf_script, "frame=%d\n", frame_number); + av_bprintf(&buf_script, "fps=%.1f\n", fps); + av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n", + ost->file_index, ost->index, q); + if (is_last_report) + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L"); + if (qp_hist) { + int j; + int qp = lrintf(q); + if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram)) + qp_histogram[qp]++; + for (j = 0; j < 32; j++) + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1))); + } + if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) { + int j; + double error, error_sum = 0; + double scale, scale_sum = 0; + double p; + char type[3] = { 'Y','U','V' }; + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR="); + for (j = 0; j < 3; j++) { + if (is_last_report) { + error = enc->error[j]; + scale = enc->width * enc->height * 255.0 * 255.0 * frame_number; + } else { + error = enc->coded_frame->error[j]; + scale = enc->width * enc->height * 255.0 * 255.0; + } + if (j) + scale /= 4; + error_sum += error; + scale_sum += scale; + p = psnr(error / scale); + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p); + av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n", + ost->file_index, ost->index, type[j] | 32, p); + } + p = psnr(error_sum / scale_sum); + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum)); + av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n", + ost->file_index, ost->index, p); + } + vid = 1; + } + /* compute min output value */ + if ((is_last_report || !ost->finished) && ost->st->pts.val != AV_NOPTS_VALUE) + pts = FFMAX(pts, av_rescale_q(ost->st->pts.val, + ost->st->time_base, AV_TIME_BASE_Q)); + } + + secs = pts / AV_TIME_BASE; + us = pts % AV_TIME_BASE; + mins = secs / 60; + secs %= 60; + hours = mins / 60; + mins %= 60; + + bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1; + + if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + "size=N/A time="); + else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + "size=%8.0fkB time=", total_size / 1024.0); + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + "%02d:%02d:%02d.%02d ", hours, mins, secs, + (100 * us) / AV_TIME_BASE); + if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + "bitrate=N/A"); + else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + "bitrate=%6.1fkbits/s", bitrate); + if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n"); + else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size); + av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts); + av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n", + hours, mins, secs, us); + + if (nb_frames_dup || nb_frames_drop) + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d", + nb_frames_dup, nb_frames_drop); + av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup); + av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop); + + if (print_stats || is_last_report) { + if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) { + fprintf(stderr, "%s \r", buf); + } else + av_log(NULL, AV_LOG_INFO, "%s \r", buf); + + fflush(stderr); + } + + if (progress_avio) { + av_bprintf(&buf_script, "progress=%s\n", + is_last_report ? "end" : "continue"); + avio_write(progress_avio, buf_script.str, + FFMIN(buf_script.len, buf_script.size - 1)); + avio_flush(progress_avio); + av_bprint_finalize(&buf_script, NULL); + if (is_last_report) { + avio_close(progress_avio); + progress_avio = NULL; + } + } + + if (is_last_report) { + int64_t raw= audio_size + video_size + subtitle_size + extra_size; + av_log(NULL, AV_LOG_INFO, "\n"); + av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n", + video_size / 1024.0, + audio_size / 1024.0, + subtitle_size / 1024.0, + extra_size / 1024.0, + 100.0 * (total_size - raw) / raw + ); + if(video_size + audio_size + subtitle_size + extra_size == 0){ + av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n"); + } + } +} + +static void flush_encoders(void) +{ + int i, ret; + + for (i = 0; i < nb_output_streams; i++) { + OutputStream *ost = output_streams[i]; + AVCodecContext *enc = ost->st->codec; + AVFormatContext *os = output_files[ost->file_index]->ctx; + int stop_encoding = 0; + + if (!ost->encoding_needed) + continue; + + if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1) + continue; + if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO) + continue; + + for (;;) { + int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL; + const char *desc; + int64_t *size; + + switch (ost->st->codec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + encode = avcodec_encode_audio2; + desc = "Audio"; + size = &audio_size; + break; + case AVMEDIA_TYPE_VIDEO: + encode = avcodec_encode_video2; + desc = "Video"; + size = &video_size; + break; + default: + stop_encoding = 1; + } + + if (encode) { + AVPacket pkt; + int got_packet; + av_init_packet(&pkt); + pkt.data = NULL; + pkt.size = 0; + + update_benchmark(NULL); + ret = encode(enc, &pkt, NULL, &got_packet); + update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index); + if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc); + exit_program(1); + } + *size += pkt.size; + if (ost->logfile && enc->stats_out) { + fprintf(ost->logfile, "%s", enc->stats_out); + } + if (!got_packet) { + stop_encoding = 1; + break; + } + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); + if (pkt.dts != AV_NOPTS_VALUE) + pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); + if (pkt.duration > 0) + pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base); + write_frame(os, &pkt, ost); + if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) { + do_video_stats(ost, pkt.size); + } + } + + if (stop_encoding) + break; + } + } +} + +/* + * Check whether a packet from ist should be written into ost at this time + */ +static int check_output_constraints(InputStream *ist, OutputStream *ost) +{ + OutputFile *of = output_files[ost->file_index]; + int ist_index = input_files[ist->file_index]->ist_index + ist->st->index; + + if (ost->source_index != ist_index) + return 0; + + if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time) + return 0; + + return 1; +} + +static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt) +{ + OutputFile *of = output_files[ost->file_index]; + InputFile *f = input_files [ist->file_index]; + int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time; + int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base); + int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base); + AVPicture pict; + AVPacket opkt; + + av_init_packet(&opkt); + + if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && + !ost->copy_initial_nonkeyframes) + return; + + if (pkt->pts == AV_NOPTS_VALUE) { + if (!ost->frame_number && ist->pts < start_time && + !ost->copy_prior_start) + return; + } else { + if (!ost->frame_number && pkt->pts < ist_tb_start_time && + !ost->copy_prior_start) + return; + } + + if (of->recording_time != INT64_MAX && + ist->pts >= of->recording_time + start_time) { + close_output_stream(ost); + return; + } + + if (f->recording_time != INT64_MAX) { + start_time = f->ctx->start_time; + if (f->start_time != AV_NOPTS_VALUE) + start_time += f->start_time; + if (ist->pts >= f->recording_time + start_time) { + close_output_stream(ost); + return; + } + } + + /* force the input stream PTS */ + if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) + audio_size += pkt->size; + else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { + video_size += pkt->size; + ost->sync_opts++; + } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) { + subtitle_size += pkt->size; + } + + if (pkt->pts != AV_NOPTS_VALUE) + opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time; + else + opkt.pts = AV_NOPTS_VALUE; + + if (pkt->dts == AV_NOPTS_VALUE) + opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base); + else + opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base); + opkt.dts -= ost_tb_start_time; + + if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) { + int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size); + if(!duration) + duration = ist->st->codec->frame_size; + opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts, + (AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last, + ost->st->time_base) - ost_tb_start_time; + } + + opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base); + opkt.flags = pkt->flags; + + // FIXME remove the following 2 lines they shall be replaced by the bitstream filters + if ( ost->st->codec->codec_id != AV_CODEC_ID_H264 + && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO + && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO + && ost->st->codec->codec_id != AV_CODEC_ID_VC1 + ) { + if (av_parser_change(ost->parser, ost->st->codec, + &opkt.data, &opkt.size, + pkt->data, pkt->size, + pkt->flags & AV_PKT_FLAG_KEY)) { + opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0); + if (!opkt.buf) + exit_program(1); + } + } else { + opkt.data = pkt->data; + opkt.size = pkt->size; + } + + if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) { + /* store AVPicture in AVPacket, as expected by the output format */ + avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height); + opkt.data = (uint8_t *)&pict; + opkt.size = sizeof(AVPicture); + opkt.flags |= AV_PKT_FLAG_KEY; + } + + write_frame(of->ctx, &opkt, ost); + ost->st->codec->frame_number++; +} + +int guess_input_channel_layout(InputStream *ist) +{ + AVCodecContext *dec = ist->st->codec; + + if (!dec->channel_layout) { + char layout_name[256]; + + if (dec->channels > ist->guess_layout_max) + return 0; + dec->channel_layout = av_get_default_channel_layout(dec->channels); + if (!dec->channel_layout) + return 0; + av_get_channel_layout_string(layout_name, sizeof(layout_name), + dec->channels, dec->channel_layout); + av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream " + "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name); + } + return 1; +} + +static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output) +{ + AVFrame *decoded_frame, *f; + AVCodecContext *avctx = ist->st->codec; + int i, ret, err = 0, resample_changed; + AVRational decoded_frame_tb; + - if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame())) ++ if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc())) + return AVERROR(ENOMEM); + if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc())) + return AVERROR(ENOMEM); + decoded_frame = ist->decoded_frame; + + update_benchmark(NULL); + ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt); + update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index); + + if (ret >= 0 && avctx->sample_rate <= 0) { + av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate); + ret = AVERROR_INVALIDDATA; + } + + if (*got_output || ret<0 || pkt->size) + decode_error_stat[ret<0] ++; + + if (!*got_output || ret < 0) { + if (!pkt->size) { + for (i = 0; i < ist->nb_filters; i++) +#if 1 + av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0); +#else + av_buffersrc_add_frame(ist->filters[i]->filter, NULL); +#endif + } + return ret; + } + +#if 1 + /* increment next_dts to use for the case where the input stream does not + have timestamps or there are multiple frames in the packet */ + ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) / + avctx->sample_rate; + ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) / + avctx->sample_rate; +#endif + + resample_changed = ist->resample_sample_fmt != decoded_frame->format || + ist->resample_channels != avctx->channels || + ist->resample_channel_layout != decoded_frame->channel_layout || + ist->resample_sample_rate != decoded_frame->sample_rate; + if (resample_changed) { + char layout1[64], layout2[64]; + + if (!guess_input_channel_layout(ist)) { + av_log(NULL, AV_LOG_FATAL, "Unable to find default channel " + "layout for Input Stream #%d.%d\n", ist->file_index, + ist->st->index); + exit_program(1); + } + decoded_frame->channel_layout = avctx->channel_layout; + + av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels, + ist->resample_channel_layout); + av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels, + decoded_frame->channel_layout); + + av_log(NULL, AV_LOG_INFO, + "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n", + ist->file_index, ist->st->index, + ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt), + ist->resample_channels, layout1, + decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format), + avctx->channels, layout2); + + ist->resample_sample_fmt = decoded_frame->format; + ist->resample_sample_rate = decoded_frame->sample_rate; + ist->resample_channel_layout = decoded_frame->channel_layout; + ist->resample_channels = avctx->channels; + + for (i = 0; i < nb_filtergraphs; i++) + if (ist_in_filtergraph(filtergraphs[i], ist)) { + FilterGraph *fg = filtergraphs[i]; + int j; + if (configure_filtergraph(fg) < 0) { + av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n"); + exit_program(1); + } + for (j = 0; j < fg->nb_outputs; j++) { + OutputStream *ost = fg->outputs[j]->ost; + if (ost->enc->type == AVMEDIA_TYPE_AUDIO && + !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) + av_buffersink_set_frame_size(ost->filter->filter, + ost->st->codec->frame_size); + } + } + } + + /* if the decoder provides a pts, use it instead of the last packet pts. + the decoder could be delaying output by a packet or more. */ + if (decoded_frame->pts != AV_NOPTS_VALUE) { + ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q); + decoded_frame_tb = avctx->time_base; + } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) { + decoded_frame->pts = decoded_frame->pkt_pts; + pkt->pts = AV_NOPTS_VALUE; + decoded_frame_tb = ist->st->time_base; + } else if (pkt->pts != AV_NOPTS_VALUE) { + decoded_frame->pts = pkt->pts; + pkt->pts = AV_NOPTS_VALUE; + decoded_frame_tb = ist->st->time_base; + }else { + decoded_frame->pts = ist->dts; + decoded_frame_tb = AV_TIME_BASE_Q; + } + if (decoded_frame->pts != AV_NOPTS_VALUE) + decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts, + (AVRational){1, ist->st->codec->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last, + (AVRational){1, ist->st->codec->sample_rate}); + for (i = 0; i < ist->nb_filters; i++) { + if (i < ist->nb_filters - 1) { + f = ist->filter_frame; + err = av_frame_ref(f, decoded_frame); + if (err < 0) + break; + } else + f = decoded_frame; + err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, + AV_BUFFERSRC_FLAG_PUSH); + if (err == AVERROR_EOF) + err = 0; /* ignore */ + if (err < 0) + break; + } + decoded_frame->pts = AV_NOPTS_VALUE; + + av_frame_unref(ist->filter_frame); + av_frame_unref(decoded_frame); + return err < 0 ? err : ret; +} + +static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output) +{ + AVFrame *decoded_frame, *f; + int i, ret = 0, err = 0, resample_changed; + int64_t best_effort_timestamp; + AVRational *frame_sample_aspect; + + if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc())) + return AVERROR(ENOMEM); + if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc())) + return AVERROR(ENOMEM); + decoded_frame = ist->decoded_frame; + pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base); + + update_benchmark(NULL); + ret = avcodec_decode_video2(ist->st->codec, + decoded_frame, got_output, pkt); + update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index); + + if (*got_output || ret<0 || pkt->size) + decode_error_stat[ret<0] ++; + + if (!*got_output || ret < 0) { + if (!pkt->size) { + for (i = 0; i < ist->nb_filters; i++) +#if 1 + av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0); +#else + av_buffersrc_add_frame(ist->filters[i]->filter, NULL); +#endif + } + return ret; + } + + if(ist->top_field_first>=0) + decoded_frame->top_field_first = ist->top_field_first; + + best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame); + if(best_effort_timestamp != AV_NOPTS_VALUE) + ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q); + + if (debug_ts) { + av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video " + "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d \n", + ist->st->index, av_ts2str(decoded_frame->pts), + av_ts2timestr(decoded_frame->pts, &ist->st->time_base), + best_effort_timestamp, + av_ts2timestr(best_effort_timestamp, &ist->st->time_base), + decoded_frame->key_frame, decoded_frame->pict_type); + } + + pkt->size = 0; + + if (ist->st->sample_aspect_ratio.num) + decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio; + + resample_changed = ist->resample_width != decoded_frame->width || + ist->resample_height != decoded_frame->height || + ist->resample_pix_fmt != decoded_frame->format; + if (resample_changed) { + av_log(NULL, AV_LOG_INFO, + "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n", + ist->file_index, ist->st->index, + ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt), + decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format)); + + ist->resample_width = decoded_frame->width; + ist->resample_height = decoded_frame->height; + ist->resample_pix_fmt = decoded_frame->format; + + for (i = 0; i < nb_filtergraphs; i++) { + if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters && + configure_filtergraph(filtergraphs[i]) < 0) { + av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n"); + exit_program(1); + } + } + } + + frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio"); + for (i = 0; i < ist->nb_filters; i++) { + if (!frame_sample_aspect->num) + *frame_sample_aspect = ist->st->sample_aspect_ratio; + + if (i < ist->nb_filters - 1) { + f = ist->filter_frame; + err = av_frame_ref(f, decoded_frame); + if (err < 0) + break; + } else + f = decoded_frame; + ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH); + if (ret == AVERROR_EOF) { + ret = 0; /* ignore */ + } else if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, + "Failed to inject frame into filter network: %s\n", av_err2str(ret)); + exit_program(1); + } + } + + av_frame_unref(ist->filter_frame); + av_frame_unref(decoded_frame); + return err < 0 ? err : ret; +} + +static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output) +{ + AVSubtitle subtitle; + int i, ret = avcodec_decode_subtitle2(ist->st->codec, + &subtitle, got_output, pkt); + + if (*got_output || ret<0 || pkt->size) + decode_error_stat[ret<0] ++; + + if (ret < 0 || !*got_output) { + if (!pkt->size) + sub2video_flush(ist); + return ret; + } + + if (ist->fix_sub_duration) { + if (ist->prev_sub.got_output) { + int end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts, + 1000, AV_TIME_BASE); + if (end < ist->prev_sub.subtitle.end_display_time) { + av_log(ist->st->codec, AV_LOG_DEBUG, + "Subtitle duration reduced from %d to %d\n", + ist->prev_sub.subtitle.end_display_time, end); + ist->prev_sub.subtitle.end_display_time = end; + } + } + FFSWAP(int, *got_output, ist->prev_sub.got_output); + FFSWAP(int, ret, ist->prev_sub.ret); + FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle); + } + + sub2video_update(ist, &subtitle); + + if (!*got_output || !subtitle.num_rects) + return ret; + + for (i = 0; i < nb_output_streams; i++) { + OutputStream *ost = output_streams[i]; + + if (!check_output_constraints(ist, ost) || !ost->encoding_needed) + continue; + + do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle); + } + + avsubtitle_free(&subtitle); + return ret; +} + +/* pkt = NULL means EOF (needed to flush decoder buffers) */ +static int output_packet(InputStream *ist, const AVPacket *pkt) +{ + int ret = 0, i; + int got_output = 0; + + AVPacket avpkt; + if (!ist->saw_first_ts) { + ist->dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0; + ist->pts = 0; + if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) { + ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q); + ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong + } + ist->saw_first_ts = 1; + } + + if (ist->next_dts == AV_NOPTS_VALUE) + ist->next_dts = ist->dts; + if (ist->next_pts == AV_NOPTS_VALUE) + ist->next_pts = ist->pts; + + if (pkt == NULL) { + /* EOF handling */ + av_init_packet(&avpkt); + avpkt.data = NULL; + avpkt.size = 0; + goto handle_eof; + } else { + avpkt = *pkt; + } + + if (pkt->dts != AV_NOPTS_VALUE) { + ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q); + if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed) + ist->next_pts = ist->pts = ist->dts; + } + + // while we have more to decode or while the decoder did output something on EOF + while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) { + int duration; + handle_eof: + + ist->pts = ist->next_pts; + ist->dts = ist->next_dts; + + if (avpkt.size && avpkt.size != pkt->size) { + av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING, + "Multiple frames in a packet from stream %d\n", pkt->stream_index); + ist->showed_multi_packet_warning = 1; + } + + switch (ist->st->codec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + ret = decode_audio (ist, &avpkt, &got_output); + break; + case AVMEDIA_TYPE_VIDEO: + ret = decode_video (ist, &avpkt, &got_output); + if (avpkt.duration) { + duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q); + } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) { + int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame; + duration = ((int64_t)AV_TIME_BASE * + ist->st->codec->time_base.num * ticks) / + ist->st->codec->time_base.den; + } else + duration = 0; + + if(ist->dts != AV_NOPTS_VALUE && duration) { + ist->next_dts += duration; + }else + ist->next_dts = AV_NOPTS_VALUE; + + if (got_output) + ist->next_pts += duration; //FIXME the duration is not correct in some cases + break; + case AVMEDIA_TYPE_SUBTITLE: + ret = transcode_subtitles(ist, &avpkt, &got_output); + break; + default: + return -1; + } + + if (ret < 0) + return ret; + + avpkt.dts= + avpkt.pts= AV_NOPTS_VALUE; + + // touch data and size only if not EOF + if (pkt) { + if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO) + ret = avpkt.size; + avpkt.data += ret; + avpkt.size -= ret; + } + if (!got_output) { + continue; + } + } + + /* handle stream copy */ + if (!ist->decoding_needed) { + ist->dts = ist->next_dts; + switch (ist->st->codec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) / + ist->st->codec->sample_rate; + break; + case AVMEDIA_TYPE_VIDEO: + if (ist->framerate.num) { + // TODO: Remove work-around for c99-to-c89 issue 7 + AVRational time_base_q = AV_TIME_BASE_Q; + int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate)); + ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q); + } else if (pkt->duration) { + ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q); + } else if(ist->st->codec->time_base.num != 0) { + int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame; + ist->next_dts += ((int64_t)AV_TIME_BASE * + ist->st->codec->time_base.num * ticks) / + ist->st->codec->time_base.den; + } + break; + } + ist->pts = ist->dts; + ist->next_pts = ist->next_dts; + } + for (i = 0; pkt && i < nb_output_streams; i++) { + OutputStream *ost = output_streams[i]; + + if (!check_output_constraints(ist, ost) || ost->encoding_needed) + continue; + + do_streamcopy(ist, ost, pkt); + } + + return 0; +} + +static void print_sdp(void) +{ + char sdp[16384]; + int i; + AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files); + + if (!avc) + exit_program(1); + for (i = 0; i < nb_output_files; i++) + avc[i] = output_files[i]->ctx; + + av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp)); + printf("SDP:\n%s\n", sdp); + fflush(stdout); + av_freep(&avc); +} + +static int init_input_stream(int ist_index, char *error, int error_len) +{ + int ret; + InputStream *ist = input_streams[ist_index]; + + if (ist->decoding_needed) { + AVCodec *codec = ist->dec; + if (!codec) { + snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d", + avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index); + return AVERROR(EINVAL); + } + + av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0); + + if (!av_dict_get(ist->opts, "threads", NULL, 0)) + av_dict_set(&ist->opts, "threads", "auto", 0); + if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) { + char errbuf[128]; + if (ret == AVERROR_EXPERIMENTAL) + abort_codec_experimental(codec, 0); + + av_strerror(ret, errbuf, sizeof(errbuf)); + + snprintf(error, error_len, + "Error while opening decoder for input stream " + "#%d:%d : %s", + ist->file_index, ist->st->index, errbuf); + return ret; + } + assert_avoptions(ist->opts); + } + + ist->next_pts = AV_NOPTS_VALUE; + ist->next_dts = AV_NOPTS_VALUE; + ist->is_start = 1; + + return 0; +} + +static InputStream *get_input_stream(OutputStream *ost) +{ + if (ost->source_index >= 0) + return input_streams[ost->source_index]; + return NULL; +} + +static int compare_int64(const void *a, const void *b) +{ + int64_t va = *(int64_t *)a, vb = *(int64_t *)b; + return va < vb ? -1 : va > vb ? +1 : 0; +} + +static void parse_forced_key_frames(char *kf, OutputStream *ost, + AVCodecContext *avctx) +{ + char *p; + int n = 1, i, size, index = 0; + int64_t t, *pts; + + for (p = kf; *p; p++) + if (*p == ',') + n++; + size = n; + pts = av_malloc(sizeof(*pts) * size); + if (!pts) { + av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n"); + exit_program(1); + } + + p = kf; + for (i = 0; i < n; i++) { + char *next = strchr(p, ','); + + if (next) + *next++ = 0; + + if (!memcmp(p, "chapters", 8)) { + + AVFormatContext *avf = output_files[ost->file_index]->ctx; + int j; + + if (avf->nb_chapters > INT_MAX - size || + !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1, + sizeof(*pts)))) { + av_log(NULL, AV_LOG_FATAL, + "Could not allocate forced key frames array.\n"); + exit_program(1); + } + t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0; + t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base); + + for (j = 0; j < avf->nb_chapters; j++) { + AVChapter *c = avf->chapters[j]; + av_assert1(index < size); + pts[index++] = av_rescale_q(c->start, c->time_base, + avctx->time_base) + t; + } + + } else { + + t = parse_time_or_die("force_key_frames", p, 1); + av_assert1(index < size); + pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base); + + } + + p = next; + } + + av_assert0(index == size); + qsort(pts, size, sizeof(*pts), compare_int64); + ost->forced_kf_count = size; + ost->forced_kf_pts = pts; +} + +static void report_new_stream(int input_index, AVPacket *pkt) +{ + InputFile *file = input_files[input_index]; + AVStream *st = file->ctx->streams[pkt->stream_index]; + + if (pkt->stream_index < file->nb_streams_warn) + return; + av_log(file->ctx, AV_LOG_WARNING, + "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n", + av_get_media_type_string(st->codec->codec_type), + input_index, pkt->stream_index, + pkt->pos, av_ts2timestr(pkt->dts, &st->time_base)); + file->nb_streams_warn = pkt->stream_index + 1; +} + +static int transcode_init(void) +{ + int ret = 0, i, j, k; + AVFormatContext *oc; + AVCodecContext *codec; + OutputStream *ost; + InputStream *ist; + char error[1024]; + int want_sdp = 1; + + for (i = 0; i < nb_filtergraphs; i++) { + FilterGraph *fg = filtergraphs[i]; + for (j = 0; j < fg->nb_outputs; j++) { + OutputFilter *ofilter = fg->outputs[j]; + if (!ofilter->ost || ofilter->ost->source_index >= 0) + continue; + if (fg->nb_inputs != 1) + continue; + for (k = nb_input_streams-1; k >= 0 ; k--) + if (fg->inputs[0]->ist == input_streams[k]) + break; + ofilter->ost->source_index = k; + } + } + + /* init framerate emulation */ + for (i = 0; i < nb_input_files; i++) { + InputFile *ifile = input_files[i]; + if (ifile->rate_emu) + for (j = 0; j < ifile->nb_streams; j++) + input_streams[j + ifile->ist_index]->start = av_gettime(); + } + + /* output stream init */ + for (i = 0; i < nb_output_files; i++) { + oc = output_files[i]->ctx; + if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) { + av_dump_format(oc, i, oc->filename, 1); + av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i); + return AVERROR(EINVAL); + } + } + + /* init complex filtergraphs */ + for (i = 0; i < nb_filtergraphs; i++) + if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0) + return ret; + + /* for each output stream, we compute the right encoding parameters */ + for (i = 0; i < nb_output_streams; i++) { + AVCodecContext *icodec = NULL; + ost = output_streams[i]; + oc = output_files[ost->file_index]->ctx; + ist = get_input_stream(ost); + + if (ost->attachment_filename) + continue; + + codec = ost->st->codec; + + if (ist) { + icodec = ist->st->codec; + + ost->st->disposition = ist->st->disposition; + codec->bits_per_raw_sample = icodec->bits_per_raw_sample; + codec->chroma_sample_location = icodec->chroma_sample_location; + } else { + for (j=0; jnb_streams; j++) { + AVStream *st = oc->streams[j]; + if (st != ost->st && st->codec->codec_type == codec->codec_type) + break; + } + if (j == oc->nb_streams) + if (codec->codec_type == AVMEDIA_TYPE_AUDIO || codec->codec_type == AVMEDIA_TYPE_VIDEO) + ost->st->disposition = AV_DISPOSITION_DEFAULT; + } + + if (ost->stream_copy) { + AVRational sar; + uint64_t extra_size; + + av_assert0(ist && !ost->filter); + + extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE; + + if (extra_size > INT_MAX) { + return AVERROR(EINVAL); + } + + /* if stream_copy is selected, no need to decode or encode */ + codec->codec_id = icodec->codec_id; + codec->codec_type = icodec->codec_type; + + if (!codec->codec_tag) { + unsigned int codec_tag; + if (!oc->oformat->codec_tag || + av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id || + !av_codec_get_tag2(oc->oformat->codec_tag, icodec->codec_id, &codec_tag)) + codec->codec_tag = icodec->codec_tag; + } + + codec->bit_rate = icodec->bit_rate; + codec->rc_max_rate = icodec->rc_max_rate; + codec->rc_buffer_size = icodec->rc_buffer_size; + codec->field_order = icodec->field_order; + codec->extradata = av_mallocz(extra_size); + if (!codec->extradata) { + return AVERROR(ENOMEM); + } + memcpy(codec->extradata, icodec->extradata, icodec->extradata_size); + codec->extradata_size= icodec->extradata_size; + codec->bits_per_coded_sample = icodec->bits_per_coded_sample; + + codec->time_base = ist->st->time_base; + /* + * Avi is a special case here because it supports variable fps but + * having the fps and timebase differe significantly adds quite some + * overhead + */ + if(!strcmp(oc->oformat->name, "avi")) { + if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate) + && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base) + && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base) + && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500 + || copy_tb==2){ + codec->time_base.num = ist->st->r_frame_rate.den; + codec->time_base.den = 2*ist->st->r_frame_rate.num; + codec->ticks_per_frame = 2; + } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) + && av_q2d(ist->st->time_base) < 1.0/500 + || copy_tb==0){ + codec->time_base = icodec->time_base; + codec->time_base.num *= icodec->ticks_per_frame; + codec->time_base.den *= 2; + codec->ticks_per_frame = 2; + } + } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS) + && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp") + && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod") + && strcmp(oc->oformat->name, "f4v") + ) { + if( copy_tb<0 && icodec->time_base.den + && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) + && av_q2d(ist->st->time_base) < 1.0/500 + || copy_tb==0){ + codec->time_base = icodec->time_base; + codec->time_base.num *= icodec->ticks_per_frame; + } + } + if ( codec->codec_tag == AV_RL32("tmcd") + && icodec->time_base.num < icodec->time_base.den + && icodec->time_base.num > 0 + && 121LL*icodec->time_base.num > icodec->time_base.den) { + codec->time_base = icodec->time_base; + } + + if (ist && !ost->frame_rate.num) + ost->frame_rate = ist->framerate; + if(ost->frame_rate.num) + codec->time_base = av_inv_q(ost->frame_rate); + + av_reduce(&codec->time_base.num, &codec->time_base.den, + codec->time_base.num, codec->time_base.den, INT_MAX); + + ost->parser = av_parser_init(codec->codec_id); + + switch (codec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + if (audio_volume != 256) { + av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n"); + exit_program(1); + } + codec->channel_layout = icodec->channel_layout; + codec->sample_rate = icodec->sample_rate; + codec->channels = icodec->channels; + codec->frame_size = icodec->frame_size; + codec->audio_service_type = icodec->audio_service_type; + codec->block_align = icodec->block_align; + if((codec->block_align == 1 || codec->block_align == 1152 || codec->block_align == 576) && codec->codec_id == AV_CODEC_ID_MP3) + codec->block_align= 0; + if(codec->codec_id == AV_CODEC_ID_AC3) + codec->block_align= 0; + break; + case AVMEDIA_TYPE_VIDEO: + codec->pix_fmt = icodec->pix_fmt; + codec->width = icodec->width; + codec->height = icodec->height; + codec->has_b_frames = icodec->has_b_frames; + if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option + sar = + av_mul_q(ost->frame_aspect_ratio, + (AVRational){ codec->height, codec->width }); + av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio " + "with stream copy may produce invalid files\n"); + } + else if (ist->st->sample_aspect_ratio.num) + sar = ist->st->sample_aspect_ratio; + else + sar = icodec->sample_aspect_ratio; + ost->st->sample_aspect_ratio = codec->sample_aspect_ratio = sar; + ost->st->avg_frame_rate = ist->st->avg_frame_rate; + break; + case AVMEDIA_TYPE_SUBTITLE: + codec->width = icodec->width; + codec->height = icodec->height; + break; + case AVMEDIA_TYPE_DATA: + case AVMEDIA_TYPE_ATTACHMENT: + break; + default: + abort(); + } + } else { + if (!ost->enc) + ost->enc = avcodec_find_encoder(codec->codec_id); + if (!ost->enc) { + /* should only happen when a default codec is not present. */ + snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d", + avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index); + ret = AVERROR(EINVAL); + goto dump_format; + } + + if (ist) + ist->decoding_needed++; + ost->encoding_needed = 1; + + if (!ost->filter && + (codec->codec_type == AVMEDIA_TYPE_VIDEO || + codec->codec_type == AVMEDIA_TYPE_AUDIO)) { + FilterGraph *fg; + fg = init_simple_filtergraph(ist, ost); + if (configure_filtergraph(fg)) { + av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n"); + exit_program(1); + } + } + + if (codec->codec_type == AVMEDIA_TYPE_VIDEO) { + if (ost->filter && !ost->frame_rate.num) + ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter); + if (ist && !ost->frame_rate.num) + ost->frame_rate = ist->framerate; + if (ist && !ost->frame_rate.num) + ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1}; +// ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1}; + if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) { + int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates); + ost->frame_rate = ost->enc->supported_framerates[idx]; + } + } + + switch (codec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + codec->sample_fmt = ost->filter->filter->inputs[0]->format; + codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate; + codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout; + codec->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]); + codec->time_base = (AVRational){ 1, codec->sample_rate }; + break; + case AVMEDIA_TYPE_VIDEO: + codec->time_base = av_inv_q(ost->frame_rate); + if (ost->filter && !(codec->time_base.num && codec->time_base.den)) + codec->time_base = ost->filter->filter->inputs[0]->time_base; + if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH + && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){ + av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n" + "Please consider specifying a lower framerate, a different muxer or -vsync 2\n"); + } + for (j = 0; j < ost->forced_kf_count; j++) + ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j], + AV_TIME_BASE_Q, + codec->time_base); + + codec->width = ost->filter->filter->inputs[0]->w; + codec->height = ost->filter->filter->inputs[0]->h; + codec->sample_aspect_ratio = ost->st->sample_aspect_ratio = + ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option + av_mul_q(ost->frame_aspect_ratio, (AVRational){ codec->height, codec->width }) : + ost->filter->filter->inputs[0]->sample_aspect_ratio; + if (!strncmp(ost->enc->name, "libx264", 7) && + codec->pix_fmt == AV_PIX_FMT_NONE && + ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P) + av_log(NULL, AV_LOG_WARNING, + "No pixel format specified, %s for H.264 encoding chosen.\n" + "Use -pix_fmt yuv420p for compatibility with outdated media players.\n", + av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format)); + if (!strncmp(ost->enc->name, "mpeg2video", 10) && + codec->pix_fmt == AV_PIX_FMT_NONE && + ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P) + av_log(NULL, AV_LOG_WARNING, + "No pixel format specified, %s for MPEG-2 encoding chosen.\n" + "Use -pix_fmt yuv420p for compatibility with outdated media players.\n", + av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format)); + codec->pix_fmt = ost->filter->filter->inputs[0]->format; + + if (!icodec || + codec->width != icodec->width || + codec->height != icodec->height || + codec->pix_fmt != icodec->pix_fmt) { + codec->bits_per_raw_sample = frame_bits_per_raw_sample; + } + + if (ost->forced_keyframes) { + if (!strncmp(ost->forced_keyframes, "expr:", 5)) { + ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5, + forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL); + if (ret < 0) { + av_log(NULL, AV_LOG_ERROR, + "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5); + return ret; + } + ost->forced_keyframes_expr_const_values[FKF_N] = 0; + ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0; + ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN; + ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN; + } else { + parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec); + } + } + break; + case AVMEDIA_TYPE_SUBTITLE: + codec->time_base = (AVRational){1, 1000}; + if (!codec->width) { + codec->width = input_streams[ost->source_index]->st->codec->width; + codec->height = input_streams[ost->source_index]->st->codec->height; + } + break; + default: + abort(); + break; + } + /* two pass mode */ + if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) { + char logfilename[1024]; + FILE *f; + + snprintf(logfilename, sizeof(logfilename), "%s-%d.log", + ost->logfile_prefix ? ost->logfile_prefix : + DEFAULT_PASS_LOGFILENAME_PREFIX, + i); + if (!strcmp(ost->enc->name, "libx264")) { + av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE); + } else { + if (codec->flags & CODEC_FLAG_PASS2) { + char *logbuffer; + size_t logbuffer_size; + if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) { + av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n", + logfilename); + exit_program(1); + } + codec->stats_in = logbuffer; + } + if (codec->flags & CODEC_FLAG_PASS1) { + f = fopen(logfilename, "wb"); + if (!f) { + av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n", + logfilename, strerror(errno)); + exit_program(1); + } + ost->logfile = f; + } + } + } + } + } + + /* open each encoder */ + for (i = 0; i < nb_output_streams; i++) { + ost = output_streams[i]; + if (ost->encoding_needed) { + AVCodec *codec = ost->enc; + AVCodecContext *dec = NULL; + + if ((ist = get_input_stream(ost))) + dec = ist->st->codec; + if (dec && dec->subtitle_header) { + /* ASS code assumes this buffer is null terminated so add extra byte. */ + ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1); + if (!ost->st->codec->subtitle_header) { + ret = AVERROR(ENOMEM); + goto dump_format; + } + memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size); + ost->st->codec->subtitle_header_size = dec->subtitle_header_size; + } + if (!av_dict_get(ost->opts, "threads", NULL, 0)) + av_dict_set(&ost->opts, "threads", "auto", 0); + if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) { + if (ret == AVERROR_EXPERIMENTAL) + abort_codec_experimental(codec, 1); + snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height", + ost->file_index, ost->index); + goto dump_format; + } + if (ost->enc->type == AVMEDIA_TYPE_AUDIO && + !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) + av_buffersink_set_frame_size(ost->filter->filter, + ost->st->codec->frame_size); + assert_avoptions(ost->opts); + if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000) + av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low." + " It takes bits/s as argument, not kbits/s\n"); + extra_size += ost->st->codec->extradata_size; + } else { + av_opt_set_dict(ost->st->codec, &ost->opts); + } + } + + /* init input streams */ + for (i = 0; i < nb_input_streams; i++) + if ((ret = init_input_stream(i, error, sizeof(error))) < 0) { + for (i = 0; i < nb_output_streams; i++) { + ost = output_streams[i]; + avcodec_close(ost->st->codec); + } + goto dump_format; + } + + /* discard unused programs */ + for (i = 0; i < nb_input_files; i++) { + InputFile *ifile = input_files[i]; + for (j = 0; j < ifile->ctx->nb_programs; j++) { + AVProgram *p = ifile->ctx->programs[j]; + int discard = AVDISCARD_ALL; + + for (k = 0; k < p->nb_stream_indexes; k++) + if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) { + discard = AVDISCARD_DEFAULT; + break; + } + p->discard = discard; + } + } + + /* open files and write file headers */ + for (i = 0; i < nb_output_files; i++) { + oc = output_files[i]->ctx; + oc->interrupt_callback = int_cb; + if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) { + char errbuf[128]; + av_strerror(ret, errbuf, sizeof(errbuf)); + snprintf(error, sizeof(error), + "Could not write header for output file #%d " + "(incorrect codec parameters ?): %s", + i, errbuf); + ret = AVERROR(EINVAL); + goto dump_format; + } +// assert_avoptions(output_files[i]->opts); + if (strcmp(oc->oformat->name, "rtp")) { + want_sdp = 0; + } + } + + dump_format: + /* dump the file output parameters - cannot be done before in case + of stream copy */ + for (i = 0; i < nb_output_files; i++) { + av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1); + } + + /* dump the stream mapping */ + av_log(NULL, AV_LOG_INFO, "Stream mapping:\n"); + for (i = 0; i < nb_input_streams; i++) { + ist = input_streams[i]; + + for (j = 0; j < ist->nb_filters; j++) { + if (ist->filters[j]->graph->graph_desc) { + av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s", + ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?", + ist->filters[j]->name); + if (nb_filtergraphs > 1) + av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index); + av_log(NULL, AV_LOG_INFO, "\n"); + } + } + } + + for (i = 0; i < nb_output_streams; i++) { + ost = output_streams[i]; + + if (ost->attachment_filename) { + /* an attached file */ + av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n", + ost->attachment_filename, ost->file_index, ost->index); + continue; + } + + if (ost->filter && ost->filter->graph->graph_desc) { + /* output from a complex graph */ + av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name); + if (nb_filtergraphs > 1) + av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index); + + av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index, + ost->index, ost->enc ? ost->enc->name : "?"); + continue; + } + + av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d", + input_streams[ost->source_index]->file_index, + input_streams[ost->source_index]->st->index, + ost->file_index, + ost->index); + if (ost->sync_ist != input_streams[ost->source_index]) + av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]", + ost->sync_ist->file_index, + ost->sync_ist->st->index); + if (ost->stream_copy) + av_log(NULL, AV_LOG_INFO, " (copy)"); + else + av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ? + input_streams[ost->source_index]->dec->name : "?", + ost->enc ? ost->enc->name : "?"); + av_log(NULL, AV_LOG_INFO, "\n"); + } + + if (ret) { + av_log(NULL, AV_LOG_ERROR, "%s\n", error); + return ret; + } + + if (want_sdp) { + print_sdp(); + } + + return 0; +} + +/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */ +static int need_output(void) +{ + int i; + + for (i = 0; i < nb_output_streams; i++) { + OutputStream *ost = output_streams[i]; + OutputFile *of = output_files[ost->file_index]; + AVFormatContext *os = output_files[ost->file_index]->ctx; + + if (ost->finished || + (os->pb && avio_tell(os->pb) >= of->limit_filesize)) + continue; + if (ost->frame_number >= ost->max_frames) { + int j; + for (j = 0; j < of->ctx->nb_streams; j++) + close_output_stream(output_streams[of->ost_index + j]); + continue; + } + + return 1; + } + + return 0; +} + +/** + * Select the output stream to process. + * + * @return selected output stream, or NULL if none available + */ +static OutputStream *choose_output(void) +{ + int i; + int64_t opts_min = INT64_MAX; + OutputStream *ost_min = NULL; + + for (i = 0; i < nb_output_streams; i++) { + OutputStream *ost = output_streams[i]; + int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base, + AV_TIME_BASE_Q); + if (!ost->unavailable && !ost->finished && opts < opts_min) { + opts_min = opts; + ost_min = ost; + } + } + return ost_min; +} + +static int check_keyboard_interaction(int64_t cur_time) +{ + int i, ret, key; + static int64_t last_time; + if (received_nb_signals) + return AVERROR_EXIT; + /* read_key() returns 0 on EOF */ + if(cur_time - last_time >= 100000 && !run_as_daemon){ + key = read_key(); + last_time = cur_time; + }else + key = -1; + if (key == 'q') + return AVERROR_EXIT; + if (key == '+') av_log_set_level(av_log_get_level()+10); + if (key == '-') av_log_set_level(av_log_get_level()-10); + if (key == 's') qp_hist ^= 1; + if (key == 'h'){ + if (do_hex_dump){ + do_hex_dump = do_pkt_dump = 0; + } else if(do_pkt_dump){ + do_hex_dump = 1; + } else + do_pkt_dump = 1; + av_log_set_level(AV_LOG_DEBUG); + } + if (key == 'c' || key == 'C'){ + char buf[4096], target[64], command[256], arg[256] = {0}; + double time; + int k, n = 0; + fprintf(stderr, "\nEnter command: |all