From 931c85d04a9ab4f02f18d4d46997097b475e5294 Mon Sep 17 00:00:00 2001 From: Thomas Raivio Date: Fri, 9 Apr 2004 14:53:41 +0000 Subject: [PATCH] aac decoding patch by ("Thomas Raivio" ) Originally committed as revision 2986 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/faad.c | 111 +++++++++++++++++++++++++++++++++++++++++++----------- 1 file changed, 88 insertions(+), 23 deletions(-) diff --git a/libavcodec/faad.c b/libavcodec/faad.c index ab48ef57d1..05f6a2be75 100644 --- a/libavcodec/faad.c +++ b/libavcodec/faad.c @@ -1,6 +1,7 @@ /* * Faad decoder * Copyright (c) 2003 Zdenek Kabelac. + * Copyright (c) 2004 Thomas Raivio. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -51,20 +52,42 @@ typedef struct { /* faad calls */ faacDecHandle FAADAPI (*faacDecOpen)(void); faacDecConfigurationPtr FAADAPI (*faacDecGetCurrentConfiguration)(faacDecHandle hDecoder); - unsigned char FAADAPI (*faacDecSetConfiguration)(faacDecHandle hDecoder, - faacDecConfigurationPtr config); - long FAADAPI (*faacDecInit)(faacDecHandle hDecoder, +#ifndef FAAD2_VERSION + int FAADAPI (*faacDecSetConfiguration)(faacDecHandle hDecoder, + faacDecConfigurationPtr config); + int FAADAPI (*faacDecInit)(faacDecHandle hDecoder, unsigned char *buffer, unsigned long *samplerate, - unsigned char *channels); - char FAADAPI (*faacDecInit2)(faacDecHandle hDecoder, unsigned char *pBuffer, + unsigned long *channels); + int FAADAPI (*faacDecInit2)(faacDecHandle hDecoder, unsigned char *pBuffer, + unsigned long SizeOfDecoderSpecificInfo, + unsigned long *samplerate, unsigned long *channels); + int FAADAPI (*faacDecDecode)(faacDecHandle hDecoder, + unsigned char *buffer, + unsigned long *bytesconsumed, + short *sample_buffer, + unsigned long *samples); +#else + unsigned char FAADAPI (*faacDecSetConfiguration)(faacDecHandle hDecoder, + faacDecConfigurationPtr config); + long FAADAPI (*faacDecInit)(faacDecHandle hDecoder, + unsigned char *buffer, + unsigned long buffer_size, + unsigned long *samplerate, + unsigned char *channels); + char FAADAPI (*faacDecInit2)(faacDecHandle hDecoder, unsigned char *pBuffer, unsigned long SizeOfDecoderSpecificInfo, unsigned long *samplerate, unsigned char *channels); + void *FAADAPI (*faacDecDecode)(faacDecHandle hDecoder, + faacDecFrameInfo *hInfo, + unsigned char *buffer, + unsigned long buffer_size); + unsigned char* FAADAPI (*faacDecGetErrorMessage)(unsigned char errcode); +#endif + void FAADAPI (*faacDecClose)(faacDecHandle hDecoder); - void* FAADAPI (*faacDecDecode)(faacDecHandle hDecoder, - faacDecFrameInfo *hInfo, - unsigned char *buffer); - unsigned char* FAADAPI (*faacDecGetErrorMessage)(unsigned char errcode); + + } FAACContext; static const unsigned long faac_srates[] = @@ -77,7 +100,11 @@ static int faac_init_mp4(AVCodecContext *avctx) { FAACContext *s = (FAACContext *) avctx->priv_data; unsigned long samplerate; +#ifndef FAAD2_VERSION + unsigned long channels; +#else unsigned char channels; +#endif int r = 0; if (avctx->extradata) @@ -87,15 +114,13 @@ static int faac_init_mp4(AVCodecContext *avctx) // else r = s->faacDecInit(s->faac_handle ... ); if (r < 0) - av_log(avctx, AV_LOG_ERROR, "faacDecInit2 failed r:%d sr:%ld ch:%d s:%d\n", - r, samplerate, channels, avctx->extradata_size); - + av_log(avctx, AV_LOG_ERROR, "faacDecInit2 failed r:%d sr:%ld ch:%ld s:%d\n", + r, samplerate, (long)channels, avctx->extradata_size); return r; } static int faac_init_aac(AVCodecContext *avctx) { - FAACContext *s = (FAACContext *) avctx->priv_data; return 0; } @@ -104,9 +129,31 @@ static int faac_decode_frame(AVCodecContext *avctx, uint8_t *buf, int buf_size) { FAACContext *s = (FAACContext *) avctx->priv_data; +#ifndef FAAD2_VERSION + unsigned long bytesconsumed; + short *sample_buffer = NULL; + unsigned long samples; + int out; +#else faacDecFrameInfo frame_info; - void* out = s->faacDecDecode(s->faac_handle, &frame_info, (unsigned char*)buf); - //printf("DECODE FRAME %d, %d, %d - %p\n", buf_size, frame_info.samples, frame_info.bytesconsumed, out); + void *out; +#endif + if(buf_size == 0) + return 0; +#ifndef FAAD2_VERSION + out = s->faacDecDecode(s->faac_handle, + (unsigned char*)buf, + &bytesconsumed, + data, + &samples); + samples *= s->sample_size; + if (data_size) + *data_size = samples; + return (buf_size < (int)bytesconsumed) + ? buf_size : (int)bytesconsumed; +#else + + out = s->faacDecDecode(s->faac_handle, &frame_info, (unsigned char*)buf, (unsigned long)buf_size); if (frame_info.error > 0) { av_log(avctx, AV_LOG_ERROR, "faac: frame decodinf failed: %s\n", @@ -122,6 +169,7 @@ static int faac_decode_frame(AVCodecContext *avctx, return (buf_size < (int)frame_info.bytesconsumed) ? buf_size : (int)frame_info.bytesconsumed; +#endif } static int faac_decode_end(AVCodecContext *avctx) @@ -159,22 +207,33 @@ static int faac_decode_init(AVCodecContext *avctx) #endif /* CONFIG_FAADBIN */ // resolve all needed function calls - dfaac(Open, (faacDecHandle FAADAPI (*)(void))); + dfaac(Open, (faacDecHandle FAADAPI (*)(void))); dfaac(GetCurrentConfiguration, (faacDecConfigurationPtr FAADAPI (*)(faacDecHandle))); - dfaac(SetConfiguration, (unsigned char FAADAPI (*)(faacDecHandle, +#ifndef FAAD2_VERSION + dfaac(SetConfiguration, (int FAADAPI (*)(faacDecHandle, faacDecConfigurationPtr))); + dfaac(Init, (int FAADAPI (*)(faacDecHandle, unsigned char*, + unsigned long*, unsigned long*))); + dfaac(Init2, (int FAADAPI (*)(faacDecHandle, unsigned char*, + unsigned long, unsigned long*, + unsigned long*))); + dfaac(Close, (void FAADAPI (*)(faacDecHandle hDecoder))); + dfaac(Decode, (int FAADAPI (*)(faacDecHandle, unsigned char*, + unsigned long*, short*, unsigned long*))); +#else + dfaac(SetConfiguration, (unsigned char FAADAPI (*)(faacDecHandle, + faacDecConfigurationPtr))); dfaac(Init, (long FAADAPI (*)(faacDecHandle, unsigned char*, - unsigned long*, unsigned char*))); - dfaac(Init2, (char FAADAPI (*)(faacDecHandle, unsigned char*, + unsigned long, unsigned long*, unsigned char*))); + dfaac(Init2, (char FAADAPI (*)(faacDecHandle, unsigned char*, unsigned long, unsigned long*, unsigned char*))); - dfaac(Close, (void FAADAPI (*)(faacDecHandle hDecoder))); - dfaac(Decode, (void* FAADAPI (*)(faacDecHandle, faacDecFrameInfo*, - unsigned char*))); - + dfaac(Decode, (void *FAADAPI (*)(faacDecHandle, faacDecFrameInfo*, + unsigned char*, unsigned long))); dfaac(GetErrorMessage, (unsigned char* FAADAPI (*)(unsigned char))); +#endif #undef dfacc #ifdef CONFIG_FAADBIN @@ -203,15 +262,21 @@ static int faac_decode_init(AVCodecContext *avctx) case 8: av_log(avctx, AV_LOG_ERROR, "FAADlib unsupported bps %d\n", avctx->bits_per_sample); break; default: case 16: +#ifdef FAAD2_VERSION faac_cfg->outputFormat = FAAD_FMT_16BIT; +#endif s->sample_size = 2; break; case 24: +#ifdef FAAD2_VERSION faac_cfg->outputFormat = FAAD_FMT_24BIT; +#endif s->sample_size = 3; break; case 32: +#ifdef FAAD2_VERSION faac_cfg->outputFormat = FAAD_FMT_32BIT; +#endif s->sample_size = 4; break; } -- 2.11.0