API changes, most recent first:
+2013-03-07 - xxxxxx - lavu 52.18.100 - avstring.h,bprint.h
+ Add av_escape() and av_bprint_escape() API.
+
+2013-02-24 - xxxxxx - lavfi 3.41.100 - buffersink.h
+ Add sample_rates field to AVABufferSinkParams.
+
+2013-01-17 - a1a707f - lavf 54.61.100
+ Add av_codec_get_tag2().
+
+2013-01-01 - 2eb2e17 - lavfi 3.34.100
+ Add avfilter_get_audio_buffer_ref_from_arrays_channels.
+
+2012-12-20 - 34de47aa - lavfi 3.29.100 - avfilter.h
+ Add AVFilterLink.channels, avfilter_link_get_channels()
+ and avfilter_ref_get_channels().
+
+2012-12-15 - 2ada584d - lavc 54.80.100 - avcodec.h
+ Add pkt_size field to AVFrame.
+
+2012-11-25 - c70ec631 - lavu 52.9.100 - opt.h
+ Add the following convenience functions to opt.h:
+ av_opt_get_image_size
+ av_opt_get_pixel_fmt
+ av_opt_get_sample_fmt
+ av_opt_set_image_size
+ av_opt_set_pixel_fmt
+ av_opt_set_sample_fmt
+
+2012-11-17 - 4cd74c81 - lavu 52.8.100 - bprint.h
+ Add av_bprint_strftime().
+
+2012-11-15 - 92648107 - lavu 52.7.100 - opt.h
+ Add av_opt_get_key_value().
+
+2012-11-13 - 79456652 - lavfi 3.23.100 - avfilter.h
+ Add channels field to AVFilterBufferRefAudioProps.
+
+2012-11-03 - 481fdeee - lavu 52.3.100 - opt.h
+ Add AV_OPT_TYPE_SAMPLE_FMT value to AVOptionType enum.
+
+2012-10-21 - 6fb2fd8 - lavc 54.68.100 - avcodec.h
+ lavfi 3.20.100 - avfilter.h
+ Add AV_PKT_DATA_STRINGS_METADATA side data type, used to transmit key/value
+ strings between AVPacket and AVFrame, and add metadata field to
+ AVCodecContext (which shall not be accessed by users; see AVFrame metadata
+ instead).
+
+2012-09-27 - a70b493 - lavd 54.3.100 - version.h
+ Add LIBAVDEVICE_IDENT symbol.
+
+2012-09-27 - a70b493 - lavfi 3.18.100 - version.h
+ Add LIBAVFILTER_IDENT symbol.
+
+2012-09-27 - a70b493 - libswr 0.16.100 - version.h
+ Add LIBSWRESAMPLE_VERSION, LIBSWRESAMPLE_BUILD
+ and LIBSWRESAMPLE_IDENT symbols.
+
+2012-09-06 - 29e972f - lavu 51.72.100 - parseutils.h
+ Add av_small_strptime() time parsing function.
+
+ Can be used as a stripped-down replacement for strptime(), on
+ systems which do not support it.
+
+2012-08-25 - 2626cc4 - lavf 54.28.100
+ Matroska demuxer now identifies SRT subtitles as AV_CODEC_ID_SUBRIP instead
+ of AV_CODEC_ID_TEXT.
+
+2012-08-13 - 5c0d8bc - lavfi 3.8.100 - avfilter.h
+ Add avfilter_get_class() function, and priv_class field to AVFilter
+ struct.
+
+2012-08-12 - a25346e - lavu 51.69.100 - opt.h
+ Add AV_OPT_FLAG_FILTERING_PARAM symbol in opt.h.
+
+2012-07-31 - 23fc4dd - lavc 54.46.100
+ Add channels field to AVFrame.
+
+2012-07-30 - f893904 - lavu 51.66.100
+ Add av_get_channel_description()
+ and av_get_standard_channel_layout() functions.
+
+2012-07-21 - 016a472 - lavc 54.43.100
+ Add decode_error_flags field to AVFrame.
+
+2012-07-20 - b062936 - lavf 54.18.100
+ Add avformat_match_stream_specifier() function.
+
+2012-07-14 - f49ec1b - lavc 54.38.100 - avcodec.h
+ Add metadata to AVFrame, and the accessor functions
+ av_frame_get_metadata() and av_frame_set_metadata().
+
+2012-07-10 - 0e003d8 - lavc 54.33.100
+ Add av_fast_padded_mallocz().
+
+2012-07-10 - 21d5609 - lavfi 3.2.0 - avfilter.h
+ Add init_opaque() callback to AVFilter struct.
+
+2012-06-26 - e6674e4 - lavu 51.63.100 - imgutils.h
+ Add functions to libavutil/imgutils.h:
+ av_image_get_buffer_size()
+ av_image_fill_arrays()
+ av_image_copy_to_buffer()
+
+2012-06-24 - c41899a - lavu 51.62.100 - version.h
+ version moved from avutil.h to version.h
+
+2012-04-11 - 359abb1 - lavu 51.58.100 - error.h
+ Add av_make_error_string() and av_err2str() utilities to
+ libavutil/error.h.
+
+2012-06-05 - 62b39d4 - lavc 54.24.100
+ Add pkt_duration field to AVFrame.
+
+2012-05-24 - f2ee065 - lavu 51.54.100
+ Move AVPALETTE_SIZE and AVPALETTE_COUNT macros from
+ libavcodec/avcodec.h to libavutil/pixfmt.h.
+
+2012-05-14 - 94a9ac1 - lavf 54.5.100
+ Add av_guess_sample_aspect_ratio() function.
+
+2012-04-20 - 65fa7bc - lavfi 2.70.100
+ Add avfilter_unref_bufferp() to avfilter.h.
+
+2012-04-13 - 162e400 - lavfi 2.68.100
+ Install libavfilter/asrc_abuffer.h public header.
+
+2012-03-26 - a67d9cf - lavfi 2.66.100
+ Add avfilter_fill_frame_from_{audio_,}buffer_ref() functions.
+
+ 2013-xx-xx - lavfi 3.6.0
+ Add AVFilterGraph.nb_filters, deprecate AVFilterGraph.filter_count.
+
2013-03-xx - Reference counted buffers - lavu 52.8.0, lavc 55.0.0, lavf 55.0.0,
lavd 54.0.0, lavfi 3.5.0
xxxxxxx, xxxxxxx - add a new API for reference counted buffers and buffer
{
if (!*graph)
return;
- for (; (*graph)->filter_count > 0; (*graph)->filter_count--)
- avfilter_free((*graph)->filters[(*graph)->filter_count - 1]);
+ for (; (*graph)->nb_filters > 0; (*graph)->nb_filters--)
+ avfilter_free((*graph)->filters[(*graph)->nb_filters - 1]);
+ av_freep(&(*graph)->sink_links);
av_freep(&(*graph)->scale_sws_opts);
+ av_freep(&(*graph)->aresample_swr_opts);
av_freep(&(*graph)->resample_lavr_opts);
av_freep(&(*graph)->filters);
av_freep(graph);
AVFilterContext *filt;
int i, j;
- for (i = 0; i < graph->filter_count; i++) {
+ for (i = 0; i < graph->nb_filters; i++) {
+ const AVFilterPad *pad;
filt = graph->filters[i];
for (j = 0; j < filt->nb_inputs; j++) {
int i, j, ret;
int scaler_count = 0, resampler_count = 0;
+ for (j = 0; j < 2; j++) {
/* ask all the sub-filters for their supported media formats */
- for (i = 0; i < graph->filter_count; i++) {
+ for (i = 0; i < graph->nb_filters; i++) {
+ /* Call query_formats on sources first.
+ This is a temporary workaround for amerge,
+ until format renegociation is implemented. */
+ if (!graph->filters[i]->nb_inputs == j)
+ continue;
if (graph->filters[i]->filter->query_formats)
- graph->filters[i]->filter->query_formats(graph->filters[i]);
+ ret = filter_query_formats(graph->filters[i]);
else
- ff_default_query_formats(graph->filters[i]);
+ ret = ff_default_query_formats(graph->filters[i]);
+ if (ret < 0)
+ return ret;
+ }
}
/* go through and merge as many format lists as possible */
static int pick_formats(AVFilterGraph *graph)
{
int i, j, ret;
- for (i = 0; i < graph->filter_count; i++) {
+ int change;
+
+ do{
+ change = 0;
++ for (i = 0; i < graph->nb_filters; i++) {
+ AVFilterContext *filter = graph->filters[i];
+ if (filter->nb_inputs){
+ for (j = 0; j < filter->nb_inputs; j++){
+ if(filter->inputs[j]->in_formats && filter->inputs[j]->in_formats->format_count == 1) {
+ if ((ret = pick_format(filter->inputs[j], NULL)) < 0)
+ return ret;
+ change = 1;
+ }
+ }
+ }
+ if (filter->nb_outputs){
+ for (j = 0; j < filter->nb_outputs; j++){
+ if(filter->outputs[j]->in_formats && filter->outputs[j]->in_formats->format_count == 1) {
+ if ((ret = pick_format(filter->outputs[j], NULL)) < 0)
+ return ret;
+ change = 1;
+ }
+ }
+ }
+ if (filter->nb_inputs && filter->nb_outputs && filter->inputs[0]->format>=0) {
+ for (j = 0; j < filter->nb_outputs; j++) {
+ if(filter->outputs[j]->format<0) {
+ if ((ret = pick_format(filter->outputs[j], filter->inputs[0])) < 0)
+ return ret;
+ change = 1;
+ }
+ }
+ }
+ }
+ }while(change);
- for (i = 0; i < graph->filter_count; i++) {
+ for (i = 0; i < graph->nb_filters; i++) {
AVFilterContext *filter = graph->filters[i];
for (j = 0; j < filter->nb_inputs; j++)
return 0;
}
- for (i = 0; i < graph->filter_count; i++) {
+static int ff_avfilter_graph_config_pointers(AVFilterGraph *graph,
+ AVClass *log_ctx)
+{
+ unsigned i, j;
+ int sink_links_count = 0, n = 0;
+ AVFilterContext *f;
+ AVFilterLink **sinks;
+
- for (i = 0; i < graph->filter_count; i++) {
++ for (i = 0; i < graph->nb_filters; i++) {
+ f = graph->filters[i];
+ for (j = 0; j < f->nb_inputs; j++) {
+ f->inputs[j]->graph = graph;
+ f->inputs[j]->age_index = -1;
+ }
+ for (j = 0; j < f->nb_outputs; j++) {
+ f->outputs[j]->graph = graph;
+ f->outputs[j]->age_index= -1;
+ }
+ if (!f->nb_outputs) {
+ if (f->nb_inputs > INT_MAX - sink_links_count)
+ return AVERROR(EINVAL);
+ sink_links_count += f->nb_inputs;
+ }
+ }
+ sinks = av_calloc(sink_links_count, sizeof(*sinks));
+ if (!sinks)
+ return AVERROR(ENOMEM);
++ for (i = 0; i < graph->nb_filters; i++) {
+ f = graph->filters[i];
+ if (!f->nb_outputs) {
+ for (j = 0; j < f->nb_inputs; j++) {
+ sinks[n] = f->inputs[j];
+ f->inputs[j]->age_index = n++;
+ }
+ }
+ }
+ av_assert0(n == sink_links_count);
+ graph->sink_links = sinks;
+ graph->sink_links_count = sink_links_count;
+ return 0;
+}
+
static int graph_insert_fifos(AVFilterGraph *graph, AVClass *log_ctx)
{
AVFilterContext *f;
return 0;
}
- for (i = 0; i < graph->filter_count; i++) {
+
+int avfilter_graph_send_command(AVFilterGraph *graph, const char *target, const char *cmd, const char *arg, char *res, int res_len, int flags)
+{
+ int i, r = AVERROR(ENOSYS);
+
+ if(!graph)
+ return r;
+
+ if((flags & AVFILTER_CMD_FLAG_ONE) && !(flags & AVFILTER_CMD_FLAG_FAST)) {
+ r=avfilter_graph_send_command(graph, target, cmd, arg, res, res_len, flags | AVFILTER_CMD_FLAG_FAST);
+ if(r != AVERROR(ENOSYS))
+ return r;
+ }
+
+ if(res_len && res)
+ res[0]= 0;
+
- for (i = 0; i < graph->filter_count; i++) {
++ for (i = 0; i < graph->nb_filters; i++) {
+ AVFilterContext *filter = graph->filters[i];
+ if(!strcmp(target, "all") || (filter->name && !strcmp(target, filter->name)) || !strcmp(target, filter->filter->name)){
+ r = avfilter_process_command(filter, cmd, arg, res, res_len, flags);
+ if(r != AVERROR(ENOSYS)) {
+ if((flags & AVFILTER_CMD_FLAG_ONE) || r<0)
+ return r;
+ }
+ }
+ }
+
+ return r;
+}
+
+int avfilter_graph_queue_command(AVFilterGraph *graph, const char *target, const char *command, const char *arg, int flags, double ts)
+{
+ int i;
+
+ if(!graph)
+ return 0;
+
++ for (i = 0; i < graph->nb_filters; i++) {
+ AVFilterContext *filter = graph->filters[i];
+ if(filter && (!strcmp(target, "all") || !strcmp(target, filter->name) || !strcmp(target, filter->filter->name))){
+ AVFilterCommand **queue = &filter->command_queue, *next;
+ while (*queue && (*queue)->time <= ts)
+ queue = &(*queue)->next;
+ next = *queue;
+ *queue = av_mallocz(sizeof(AVFilterCommand));
+ (*queue)->command = av_strdup(command);
+ (*queue)->arg = av_strdup(arg);
+ (*queue)->time = ts;
+ (*queue)->flags = flags;
+ (*queue)->next = next;
+ if(flags & AVFILTER_CMD_FLAG_ONE)
+ return 0;
+ }
+ }
+
+ return 0;
+}
+
+static void heap_bubble_up(AVFilterGraph *graph,
+ AVFilterLink *link, int index)
+{
+ AVFilterLink **links = graph->sink_links;
+
+ while (index) {
+ int parent = (index - 1) >> 1;
+ if (links[parent]->current_pts >= link->current_pts)
+ break;
+ links[index] = links[parent];
+ links[index]->age_index = index;
+ index = parent;
+ }
+ links[index] = link;
+ link->age_index = index;
+}
+
+static void heap_bubble_down(AVFilterGraph *graph,
+ AVFilterLink *link, int index)
+{
+ AVFilterLink **links = graph->sink_links;
+
+ while (1) {
+ int child = 2 * index + 1;
+ if (child >= graph->sink_links_count)
+ break;
+ if (child + 1 < graph->sink_links_count &&
+ links[child + 1]->current_pts < links[child]->current_pts)
+ child++;
+ if (link->current_pts < links[child]->current_pts)
+ break;
+ links[index] = links[child];
+ links[index]->age_index = index;
+ index = child;
+ }
+ links[index] = link;
+ link->age_index = index;
+}
+
+void ff_avfilter_graph_update_heap(AVFilterGraph *graph, AVFilterLink *link)
+{
+ heap_bubble_up (graph, link, link->age_index);
+ heap_bubble_down(graph, link, link->age_index);
+}
+
+
+int avfilter_graph_request_oldest(AVFilterGraph *graph)
+{
+ while (graph->sink_links_count) {
+ AVFilterLink *oldest = graph->sink_links[0];
+ int r = ff_request_frame(oldest);
+ if (r != AVERROR_EOF)
+ return r;
+ av_log(oldest->dst, AV_LOG_DEBUG, "EOF on sink link %s:%s.\n",
+ oldest->dst ? oldest->dst->name : "unknown",
+ oldest->dstpad ? oldest->dstpad->name : "unknown");
+ /* EOF: remove the link from the heap */
+ if (oldest->age_index < --graph->sink_links_count)
+ heap_bubble_down(graph, graph->sink_links[graph->sink_links_count],
+ oldest->age_index);
+ oldest->age_index = -1;
+ }
+ return AVERROR_EOF;
+}
typedef struct AVFilterGraph {
const AVClass *av_class;
- unsigned filter_count;
+ #if FF_API_FOO_COUNT
+ attribute_deprecated
- unsigned filter_count;
++ unsigned filter_count_unused;
+ #endif
AVFilterContext **filters;
+ #if !FF_API_FOO_COUNT
+ unsigned nb_filters;
+ #endif
char *scale_sws_opts; ///< sws options to use for the auto-inserted scale filters
char *resample_lavr_opts; ///< libavresample options to use for the auto-inserted resample filters
+ #if FF_API_FOO_COUNT
+ unsigned nb_filters;
+ #endif
+ char *aresample_swr_opts; ///< swr options to use for the auto-inserted aresample filters, Access ONLY through AVOptions
+
+ /**
+ * Private fields
+ *
+ * The following fields are for internal use only.
+ * Their type, offset, number and semantic can change without notice.
+ */
+
+ AVFilterLink **sink_links;
+ int sink_links_count;
+
+ unsigned disable_auto_convert;
} AVFilterGraph;
/**
--- /dev/null
- for (i = 0; i < graph->filter_count; i++) {
+/*
+ * Filter graphs to bad ASCII-art
+ * Copyright (c) 2012 Nicolas George
+ *
+ * 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
+ */
+
+#include <string.h>
+
+#include "libavutil/channel_layout.h"
+#include "libavutil/bprint.h"
+#include "libavutil/pixdesc.h"
+#include "avfilter.h"
+#include "avfiltergraph.h"
+
+static int print_link_prop(AVBPrint *buf, AVFilterLink *link)
+{
+ char *format;
+ char layout[64];
+
+ if (!buf)
+ buf = &(AVBPrint){ 0 }; /* dummy buffer */
+ switch (link->type) {
+ case AVMEDIA_TYPE_VIDEO:
+ format = av_x_if_null(av_get_pix_fmt_name(link->format), "?");
+ av_bprintf(buf, "[%dx%d %d:%d %s]", link->w, link->h,
+ link->sample_aspect_ratio.num,
+ link->sample_aspect_ratio.den,
+ format);
+ break;
+
+ case AVMEDIA_TYPE_AUDIO:
+ av_get_channel_layout_string(layout, sizeof(layout),
+ link->channels, link->channel_layout);
+ format = av_x_if_null(av_get_sample_fmt_name(link->format), "?");
+ av_bprintf(buf, "[%dHz %s:%s]",
+ (int)link->sample_rate, format, layout);
+ break;
+
+ default:
+ av_bprintf(buf, "?");
+ break;
+ }
+ return buf->len;
+}
+
+static void avfilter_graph_dump_to_buf(AVBPrint *buf, AVFilterGraph *graph)
+{
+ unsigned i, j, x, e;
+
++ for (i = 0; i < graph->nb_filters; i++) {
+ AVFilterContext *filter = graph->filters[i];
+ unsigned max_src_name = 0, max_dst_name = 0;
+ unsigned max_in_name = 0, max_out_name = 0;
+ unsigned max_in_fmt = 0, max_out_fmt = 0;
+ unsigned width, height, in_indent;
+ unsigned lname = strlen(filter->name);
+ unsigned ltype = strlen(filter->filter->name);
+
+ for (j = 0; j < filter->input_count; j++) {
+ AVFilterLink *l = filter->inputs[j];
+ unsigned ln = strlen(l->src->name) + 1 + strlen(l->srcpad->name);
+ max_src_name = FFMAX(max_src_name, ln);
+ max_in_name = FFMAX(max_in_name, strlen(l->dstpad->name));
+ max_in_fmt = FFMAX(max_in_fmt, print_link_prop(NULL, l));
+ }
+ for (j = 0; j < filter->output_count; j++) {
+ AVFilterLink *l = filter->outputs[j];
+ unsigned ln = strlen(l->dst->name) + 1 + strlen(l->dstpad->name);
+ max_dst_name = FFMAX(max_dst_name, ln);
+ max_out_name = FFMAX(max_out_name, strlen(l->srcpad->name));
+ max_out_fmt = FFMAX(max_out_fmt, print_link_prop(NULL, l));
+ }
+ in_indent = max_src_name + max_in_name + max_in_fmt;
+ in_indent += in_indent ? 4 : 0;
+ width = FFMAX(lname + 2, ltype + 4);
+ height = FFMAX3(2, filter->input_count, filter->output_count);
+ av_bprint_chars(buf, ' ', in_indent);
+ av_bprintf(buf, "+");
+ av_bprint_chars(buf, '-', width);
+ av_bprintf(buf, "+\n");
+ for (j = 0; j < height; j++) {
+ unsigned in_no = j - (height - filter->input_count ) / 2;
+ unsigned out_no = j - (height - filter->output_count) / 2;
+
+ /* Input link */
+ if (in_no < filter->input_count) {
+ AVFilterLink *l = filter->inputs[in_no];
+ e = buf->len + max_src_name + 2;
+ av_bprintf(buf, "%s:%s", l->src->name, l->srcpad->name);
+ av_bprint_chars(buf, '-', e - buf->len);
+ e = buf->len + max_in_fmt + 2 +
+ max_in_name - strlen(l->dstpad->name);
+ print_link_prop(buf, l);
+ av_bprint_chars(buf, '-', e - buf->len);
+ av_bprintf(buf, "%s", l->dstpad->name);
+ } else {
+ av_bprint_chars(buf, ' ', in_indent);
+ }
+
+ /* Filter */
+ av_bprintf(buf, "|");
+ if (j == (height - 2) / 2) {
+ x = (width - lname) / 2;
+ av_bprintf(buf, "%*s%-*s", x, "", width - x, filter->name);
+ } else if (j == (height - 2) / 2 + 1) {
+ x = (width - ltype - 2) / 2;
+ av_bprintf(buf, "%*s(%s)%*s", x, "", filter->filter->name,
+ width - ltype - 2 - x, "");
+ } else {
+ av_bprint_chars(buf, ' ', width);
+ }
+ av_bprintf(buf, "|");
+
+ /* Output link */
+ if (out_no < filter->output_count) {
+ AVFilterLink *l = filter->outputs[out_no];
+ unsigned ln = strlen(l->dst->name) + 1 +
+ strlen(l->dstpad->name);
+ e = buf->len + max_out_name + 2;
+ av_bprintf(buf, "%s", l->srcpad->name);
+ av_bprint_chars(buf, '-', e - buf->len);
+ e = buf->len + max_out_fmt + 2 +
+ max_dst_name - ln;
+ print_link_prop(buf, l);
+ av_bprint_chars(buf, '-', e - buf->len);
+ av_bprintf(buf, "%s:%s", l->dst->name, l->dstpad->name);
+ }
+ av_bprintf(buf, "\n");
+ }
+ av_bprint_chars(buf, ' ', in_indent);
+ av_bprintf(buf, "+");
+ av_bprint_chars(buf, '-', width);
+ av_bprintf(buf, "+\n");
+ av_bprintf(buf, "\n");
+ }
+}
+
+char *avfilter_graph_dump(AVFilterGraph *graph, const char *options)
+{
+ AVBPrint buf;
+ char *dump;
+
+ av_bprint_init(&buf, 0, 0);
+ avfilter_graph_dump_to_buf(&buf, graph);
+ av_bprint_init(&buf, buf.len + 1, buf.len + 1);
+ avfilter_graph_dump_to_buf(&buf, graph);
+ av_bprint_finalize(&buf, &dump);
+ return dump;
+}
*outputs = open_outputs;
return 0;
- fail:
+ fail:end:
- for (; graph->filter_count > 0; graph->filter_count--)
- avfilter_free(graph->filters[graph->filter_count - 1]);
+ for (; graph->nb_filters > 0; graph->nb_filters--)
+ avfilter_free(graph->filters[graph->nb_filters - 1]);
av_freep(&graph->filters);
avfilter_inout_free(&open_inputs);
avfilter_inout_free(&open_outputs);
}
avfilter_inout_free(&inputs);
avfilter_inout_free(&outputs);
- avfilter_inout_free(&open_inputs);
- avfilter_inout_free(&open_outputs);
+ /* clear open_in/outputs only if not passed as parameters */
+ if (open_inputs_ptr) *open_inputs_ptr = open_inputs;
+ else avfilter_inout_free(&open_inputs);
+ if (open_outputs_ptr) *open_outputs_ptr = open_outputs;
+ else avfilter_inout_free(&open_outputs);
return ret;
}
- for (; graph->filter_count > 0; graph->filter_count--)
- avfilter_free(graph->filters[graph->filter_count - 1]);
+#else
+ int index = 0, ret = 0;
+ char chr = 0;
+
+ AVFilterInOut *curr_inputs = NULL;
+ AVFilterInOut *open_inputs = open_inputs_ptr ? *open_inputs_ptr : NULL;
+ AVFilterInOut *open_outputs = open_outputs_ptr ? *open_outputs_ptr : NULL;
+
+ if ((ret = parse_sws_flags(&filters, graph)) < 0)
+ goto end;
+
+ do {
+ AVFilterContext *filter;
+ const char *filterchain = filters;
+ filters += strspn(filters, WHITESPACES);
+
+ if ((ret = parse_inputs(&filters, &curr_inputs, &open_outputs, log_ctx)) < 0)
+ goto end;
+
+ if ((ret = parse_filter(&filter, &filters, graph, index, log_ctx)) < 0)
+ goto end;
+
+ if (filter->input_count == 1 && !curr_inputs && !index) {
+ /* First input pad, assume it is "[in]" if not specified */
+ const char *tmp = "[in]";
+ if ((ret = parse_inputs(&tmp, &curr_inputs, &open_outputs, log_ctx)) < 0)
+ goto end;
+ }
+
+ if ((ret = link_filter_inouts(filter, &curr_inputs, &open_inputs, log_ctx)) < 0)
+ goto end;
+
+ if ((ret = parse_outputs(&filters, &curr_inputs, &open_inputs, &open_outputs,
+ log_ctx)) < 0)
+ goto end;
+
+ filters += strspn(filters, WHITESPACES);
+ chr = *filters++;
+
+ if (chr == ';' && curr_inputs) {
+ av_log(log_ctx, AV_LOG_ERROR,
+ "Invalid filterchain containing an unlabelled output pad: \"%s\"\n",
+ filterchain);
+ ret = AVERROR(EINVAL);
+ goto end;
+ }
+ index++;
+ } while (chr == ',' || chr == ';');
+
+ if (chr) {
+ av_log(log_ctx, AV_LOG_ERROR,
+ "Unable to parse graph description substring: \"%s\"\n",
+ filters - 1);
+ ret = AVERROR(EINVAL);
+ goto end;
+ }
+
+ if (curr_inputs) {
+ /* Last output pad, assume it is "[out]" if not specified */
+ const char *tmp = "[out]";
+ if ((ret = parse_outputs(&tmp, &curr_inputs, &open_inputs, &open_outputs,
+ log_ctx)) < 0)
+ goto end;
+ }
+
+end:
+ /* clear open_in/outputs only if not passed as parameters */
+ if (open_inputs_ptr) *open_inputs_ptr = open_inputs;
+ else avfilter_inout_free(&open_inputs);
+ if (open_outputs_ptr) *open_outputs_ptr = open_outputs;
+ else avfilter_inout_free(&open_outputs);
+ avfilter_inout_free(&curr_inputs);
+
+ if (ret < 0) {
++ for (; graph->nb_filters > 0; graph->nb_filters--)
++ avfilter_free(graph->filters[graph->nb_filters - 1]);
+ av_freep(&graph->filters);
+ }
+ return ret;
+}
+
+#endif
#include "libavutil/avutil.h"
#define LIBAVFILTER_VERSION_MAJOR 3
- #define LIBAVFILTER_VERSION_MINOR 46
-#define LIBAVFILTER_VERSION_MINOR 6
-#define LIBAVFILTER_VERSION_MICRO 0
++#define LIBAVFILTER_VERSION_MINOR 47
+#define LIBAVFILTER_VERSION_MICRO 100
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
LIBAVFILTER_VERSION_MINOR, \
fprintf(outfile, "node [shape=box]\n");
fprintf(outfile, "rankdir=LR\n");
-- for (i = 0; i < graph->filter_count; i++) {
++ for (i = 0; i < graph->nb_filters; i++) {
char filter_ctx_label[128];
const AVFilterContext *filter_ctx = graph->filters[i];
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