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add the possibility to choose aac profile

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patch by Nicolas George nicolas george chez normalesup org
original thread: [Ffmpeg-devel] [PATCH] FAAC profile selection
date: 04/27/2007 08:11 PM

Originally committed as revision 8872 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Nicolas George 2007-05-02 13:49:08 +00:00 committed by Benoit Fouet
parent 711737af8e
commit 4f2c36ac4f
3 changed files with 27 additions and 1 deletions
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4
libavcodec/avcodec.h
View File

@ -1820,6 +1820,10 @@ typedef struct AVCodecContext {
*/
int profile;
#define FF_PROFILE_UNKNOWN -99
#define FF_PROFILE_AAC_MAIN 0
#define FF_PROFILE_AAC_LOW 1
#define FF_PROFILE_AAC_SSR 2
#define FF_PROFILE_AAC_LTP 3
/**
* level

20
libavcodec/faac.c
View File

@ -54,7 +54,25 @@ static int Faac_encode_init(AVCodecContext *avctx)
}
/* put the options in the configuration struct */
faac_cfg->aacObjectType = LOW;
switch(avctx->profile) {
case FF_PROFILE_AAC_MAIN:
faac_cfg->aacObjectType = MAIN;
break;
case FF_PROFILE_UNKNOWN:
case FF_PROFILE_AAC_LOW:
faac_cfg->aacObjectType = LOW;
break;
case FF_PROFILE_AAC_SSR:
faac_cfg->aacObjectType = SSR;
break;
case FF_PROFILE_AAC_LTP:
faac_cfg->aacObjectType = LTP;
break;
default:
av_log(avctx, AV_LOG_ERROR, "invalid AAC profile\n");
faacEncClose(s->faac_handle);
return -1;
}
faac_cfg->mpegVersion = MPEG4;
faac_cfg->useTns = 0;
faac_cfg->allowMidside = 1;

4
libavcodec/utils.c
View File

@ -670,6 +670,10 @@ static const AVOption options[]={
{"skip_bottom", "number of macroblock rows at the bottom which are skipped", OFFSET(skip_bottom), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
{"profile", NULL, OFFSET(profile), FF_OPT_TYPE_INT, FF_PROFILE_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "profile"},
{"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "profile"},
{"aac_main", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_MAIN, INT_MIN, INT_MAX, A|E, "profile"},
{"aac_low", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_LOW, INT_MIN, INT_MAX, A|E, "profile"},
{"aac_ssr", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_SSR, INT_MIN, INT_MAX, A|E, "profile"},
{"aac_ltp", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_LTP, INT_MIN, INT_MAX, A|E, "profile"},
{"level", NULL, OFFSET(level), FF_OPT_TYPE_INT, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
{"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
{"lowres", "decode at 1= 1/2, 2=1/4, 3=1/8 resolutions", OFFSET(lowres), FF_OPT_TYPE_INT, 0, 0, INT_MAX, V|D},