mirror of
https://github.com/mpv-player/mpv
synced 2024-10-30 04:46:41 +01:00
4b05808939
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7562 b3059339-0415-0410-9bf9-f77b7e298cf2
246 lines
7.7 KiB
C
246 lines
7.7 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
#include "config.h"
|
|
#include "mp_msg.h"
|
|
#include "help_mp.h"
|
|
|
|
extern int verbose; // defined in mplayer.c
|
|
|
|
#include "stream.h"
|
|
#include "demuxer.h"
|
|
|
|
#include "codec-cfg.h"
|
|
#include "stheader.h"
|
|
|
|
#include "dec_audio.h"
|
|
#include "ad.h"
|
|
#include "../libao2/afmt.h"
|
|
|
|
#ifdef USE_FAKE_MONO
|
|
int fakemono=0;
|
|
#endif
|
|
/* used for ac3surround decoder - set using -channels option */
|
|
int audio_output_channels = 2;
|
|
|
|
static ad_functions_t* mpadec;
|
|
|
|
void afm_help(){
|
|
int i;
|
|
mp_msg(MSGT_DECAUDIO,MSGL_INFO,MSGTR_AvailableAudioFm);
|
|
mp_msg(MSGT_DECAUDIO,MSGL_INFO," afm: info: (comment)\n");
|
|
for (i=0; mpcodecs_ad_drivers[i] != NULL; i++)
|
|
if(mpcodecs_ad_drivers[i]->info->comment && mpcodecs_ad_drivers[i]->info->comment[0])
|
|
mp_msg(MSGT_DECAUDIO,MSGL_INFO,"%9s %s (%s)\n",
|
|
mpcodecs_ad_drivers[i]->info->short_name,
|
|
mpcodecs_ad_drivers[i]->info->name,
|
|
mpcodecs_ad_drivers[i]->info->comment);
|
|
else
|
|
mp_msg(MSGT_DECAUDIO,MSGL_INFO,"%9s %s\n",
|
|
mpcodecs_ad_drivers[i]->info->short_name,
|
|
mpcodecs_ad_drivers[i]->info->name);
|
|
}
|
|
|
|
int init_audio_codec(sh_audio_t *sh_audio)
|
|
{
|
|
unsigned i;
|
|
|
|
// reset in/out buffer size/pointer:
|
|
sh_audio->a_buffer_size=0;
|
|
sh_audio->a_buffer=NULL;
|
|
sh_audio->a_in_buffer_size=0;
|
|
sh_audio->a_in_buffer=NULL;
|
|
|
|
// Set up some common usefull defaults. ad->preinit() can override these:
|
|
|
|
sh_audio->samplesize=2;
|
|
#ifdef WORDS_BIGENDIAN
|
|
sh_audio->sample_format=AFMT_S16_BE;
|
|
#else
|
|
sh_audio->sample_format=AFMT_S16_LE;
|
|
#endif
|
|
sh_audio->samplerate=0;
|
|
sh_audio->i_bps=0; // input rate (bytes/sec)
|
|
sh_audio->o_bps=0; // output rate (bytes/sec)
|
|
|
|
sh_audio->audio_out_minsize=8192;/* default size, maybe not enough for Win32/ACM*/
|
|
sh_audio->audio_in_minsize=0;
|
|
|
|
if(!mpadec->preinit(sh_audio))
|
|
{
|
|
mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_ADecoderPreinitFailed);
|
|
return 0;
|
|
}
|
|
|
|
/* allocate audio in buffer: */
|
|
if(sh_audio->audio_in_minsize>0){
|
|
sh_audio->a_in_buffer_size=sh_audio->audio_in_minsize;
|
|
mp_msg(MSGT_DECAUDIO,MSGL_V,MSGTR_AllocatingBytesForInputBuffer,
|
|
sh_audio->a_in_buffer_size);
|
|
sh_audio->a_in_buffer=malloc(sh_audio->a_in_buffer_size);
|
|
memset(sh_audio->a_in_buffer,0,sh_audio->a_in_buffer_size);
|
|
sh_audio->a_in_buffer_len=0;
|
|
}
|
|
|
|
/* allocate audio out buffer: */
|
|
sh_audio->a_buffer_size=sh_audio->audio_out_minsize+MAX_OUTBURST; /* worst case calc.*/
|
|
|
|
mp_msg(MSGT_DECAUDIO,MSGL_V,MSGTR_AllocatingBytesForOutputBuffer,
|
|
sh_audio->audio_out_minsize,MAX_OUTBURST,sh_audio->a_buffer_size);
|
|
|
|
sh_audio->a_buffer=malloc(sh_audio->a_buffer_size);
|
|
if(!sh_audio->a_buffer){
|
|
mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_CantAllocAudioBuf);
|
|
return 0;
|
|
}
|
|
memset(sh_audio->a_buffer,0,sh_audio->a_buffer_size);
|
|
sh_audio->a_buffer_len=0;
|
|
|
|
if(!mpadec->init(sh_audio)){
|
|
mp_msg(MSGT_DECAUDIO,MSGL_WARN,MSGTR_ADecoderInitFailed);
|
|
uninit_audio(sh_audio); // free buffers
|
|
return 0;
|
|
}
|
|
|
|
sh_audio->inited=1;
|
|
|
|
if(!sh_audio->channels || !sh_audio->samplerate){
|
|
mp_msg(MSGT_DECAUDIO,MSGL_WARN,MSGTR_UnknownAudio);
|
|
uninit_audio(sh_audio); // free buffers
|
|
return 0;
|
|
}
|
|
|
|
if(!sh_audio->o_bps)
|
|
sh_audio->o_bps=sh_audio->channels*sh_audio->samplerate*sh_audio->samplesize;
|
|
|
|
mp_msg(MSGT_DECAUDIO,MSGL_INFO,"AUDIO: %d Hz, %d ch, %d bit (0x%X), ratio: %d->%d (%3.1f kbit)\n",
|
|
sh_audio->samplerate,sh_audio->channels,
|
|
sh_audio->samplesize*8,sh_audio->sample_format,
|
|
sh_audio->i_bps,sh_audio->o_bps,sh_audio->i_bps*8*0.001);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int init_audio(sh_audio_t *sh_audio,char* codecname,char* afm,int status){
|
|
unsigned int orig_fourcc=sh_audio->wf?sh_audio->wf->wFormatTag:0;
|
|
sh_audio->codec=NULL;
|
|
while(1){
|
|
int i;
|
|
// restore original fourcc:
|
|
if(sh_audio->wf) sh_audio->wf->wFormatTag=i=orig_fourcc;
|
|
if(!(sh_audio->codec=find_codec(sh_audio->format,
|
|
sh_audio->wf?(&i):NULL, sh_audio->codec,1) )) break;
|
|
if(sh_audio->wf) sh_audio->wf->wFormatTag=i;
|
|
// ok we found one codec
|
|
if(sh_audio->codec->flags&CODECS_FLAG_SELECTED) continue; // already tried & failed
|
|
if(codecname && strcmp(sh_audio->codec->name,codecname)) continue; // -ac
|
|
if(afm && strcmp(sh_audio->codec->drv,afm)) continue; // afm doesn't match
|
|
if(sh_audio->codec->status<status) continue; // too unstable
|
|
sh_audio->codec->flags|=CODECS_FLAG_SELECTED; // tagging it
|
|
// ok, it matches all rules, let's find the driver!
|
|
for (i=0; mpcodecs_ad_drivers[i] != NULL; i++)
|
|
if(!strcmp(mpcodecs_ad_drivers[i]->info->short_name,sh_audio->codec->drv)) break;
|
|
mpadec=mpcodecs_ad_drivers[i];
|
|
if(!mpadec){ // driver not available (==compiled in)
|
|
mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_AudioCodecFamilyNotAvailableStr,
|
|
sh_audio->codec->name, sh_audio->codec->drv);
|
|
continue;
|
|
}
|
|
// it's available, let's try to init!
|
|
// init()
|
|
mp_msg(MSGT_DECAUDIO,MSGL_INFO,MSGTR_OpeningAudioDecoder,mpadec->info->short_name,mpadec->info->name);
|
|
if(!init_audio_codec(sh_audio)){
|
|
mp_msg(MSGT_DECAUDIO,MSGL_INFO,MSGTR_ADecoderInitFailed);
|
|
continue; // try next...
|
|
}
|
|
// Yeah! We got it!
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int init_best_audio_codec(sh_audio_t *sh_audio,char** audio_codec_list,char** audio_fm_list){
|
|
char* ac_l_default[2]={"",(char*)NULL};
|
|
// hack:
|
|
if(!audio_codec_list) audio_codec_list=ac_l_default;
|
|
// Go through the codec.conf and find the best codec...
|
|
sh_audio->inited=0;
|
|
codecs_reset_selection(1);
|
|
while(!sh_audio->inited && *audio_codec_list){
|
|
char* audio_codec=*(audio_codec_list++);
|
|
if(audio_codec[0]){
|
|
if(audio_codec[0]=='-'){
|
|
// disable this codec:
|
|
select_codec(audio_codec+1,1);
|
|
} else {
|
|
// forced codec by name:
|
|
mp_msg(MSGT_DECAUDIO,MSGL_INFO,MSGTR_ForcedAudioCodec,audio_codec);
|
|
init_audio(sh_audio,audio_codec,NULL,-1);
|
|
}
|
|
} else {
|
|
int status;
|
|
// try in stability order: UNTESTED, WORKING, BUGGY. never try CRASHING.
|
|
if(audio_fm_list){
|
|
char** fmlist=audio_fm_list;
|
|
// try first the preferred codec families:
|
|
while(!sh_audio->inited && *fmlist){
|
|
char* audio_fm=*(fmlist++);
|
|
mp_msg(MSGT_DECAUDIO,MSGL_INFO,MSGTR_TryForceAudioFmtStr,audio_fm);
|
|
for(status=CODECS_STATUS__MAX;status>=CODECS_STATUS__MIN;--status)
|
|
if(init_audio(sh_audio,NULL,audio_fm,status)) break;
|
|
}
|
|
}
|
|
if(!sh_audio->inited)
|
|
for(status=CODECS_STATUS__MAX;status>=CODECS_STATUS__MIN;--status)
|
|
if(init_audio(sh_audio,NULL,NULL,status)) break;
|
|
}
|
|
}
|
|
|
|
if(!sh_audio->inited){
|
|
mp_msg(MSGT_DECAUDIO,MSGL_HINT, MSGTR_TryUpgradeCodecsConfOrRTFM,get_path("codecs.conf"));
|
|
mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_CantFindAudioCodec,sh_audio->format);
|
|
return 0; // failed
|
|
}
|
|
|
|
mp_msg(MSGT_DECAUDIO,MSGL_INFO,"Selected audio codec: [%s] afm:%s (%s)\n",
|
|
sh_audio->codec->name,sh_audio->codec->drv,sh_audio->codec->info);
|
|
return 1; // success
|
|
}
|
|
|
|
void uninit_audio(sh_audio_t *sh_audio)
|
|
{
|
|
if(sh_audio->inited){
|
|
mp_msg(MSGT_DECAUDIO,MSGL_V,MSGTR_UninitAudioStr,sh_audio->codec->drv);
|
|
mpadec->uninit(sh_audio);
|
|
sh_audio->inited=0;
|
|
}
|
|
if(sh_audio->a_buffer) free(sh_audio->a_buffer);
|
|
sh_audio->a_buffer=NULL;
|
|
if(sh_audio->a_in_buffer) free(sh_audio->a_in_buffer);
|
|
sh_audio->a_in_buffer=NULL;
|
|
}
|
|
|
|
int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
|
|
{
|
|
if(sh_audio->inited)
|
|
return mpadec->decode_audio(sh_audio,buf,minlen,maxlen);
|
|
else
|
|
return -1;
|
|
}
|
|
|
|
void resync_audio_stream(sh_audio_t *sh_audio)
|
|
{
|
|
sh_audio->a_in_buffer_len=0; // clear audio input buffer
|
|
if(!sh_audio->inited) return;
|
|
mpadec->control(sh_audio,ADCTRL_RESYNC_STREAM,NULL);
|
|
}
|
|
|
|
void skip_audio_frame(sh_audio_t *sh_audio)
|
|
{
|
|
if(!sh_audio->inited) return;
|
|
if(mpadec->control(sh_audio,ADCTRL_SKIP_FRAME,NULL)==CONTROL_TRUE) return;
|
|
// default skip code:
|
|
ds_fill_buffer(sh_audio->ds); // skip block
|
|
}
|