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Code

DMO audio support (including 6ch support too)

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8327 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-12-01 16:40:05 +00:00
parent ba86dd3f1f
commit f737736249
3 changed files with 106 additions and 1 deletions
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2
libmpcodecs/Makefile
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@ -6,7 +6,7 @@ LIBNAME2 = libmpencoders.a
AUDIO_SRCS_LIB=ad_liba52.c ad_hwac3.c ad_mp3lib.c
AUDIO_SRCS_NAT=ad_alaw.c ad_dk3adpcm.c ad_pcm.c ad_dvdpcm.c ad_imaadpcm.c ad_msadpcm.c ad_msgsm.c ad_roqaudio.c
AUDIO_SRCS_OPT=ad_acm.c ad_dshow.c ad_qtaudio.c ad_ffmpeg.c ad_faad.c ad_libvorbis.c ad_libmad.c ad_realaud.c ad_libdv.c
AUDIO_SRCS_OPT=ad_acm.c ad_dshow.c ad_dmo.c ad_qtaudio.c ad_ffmpeg.c ad_faad.c ad_libvorbis.c ad_libmad.c ad_realaud.c ad_libdv.c
AUDIO_SRCS=dec_audio.c ad.c $(AUDIO_SRCS_LIB) $(AUDIO_SRCS_NAT) $(AUDIO_SRCS_OPT)
VIDEO_SRCS_LIB=vd_libmpeg2.c vd_nuv.c vd_lzo.c

2
libmpcodecs/ad.c
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@ -29,6 +29,7 @@ extern ad_functions_t mpcodecs_ad_dk3adpcm;
extern ad_functions_t mpcodecs_ad_dk4adpcm;
extern ad_functions_t mpcodecs_ad_roqaudio;
extern ad_functions_t mpcodecs_ad_dshow;
extern ad_functions_t mpcodecs_ad_dmo;
extern ad_functions_t mpcodecs_ad_acm;
extern ad_functions_t mpcodecs_ad_msgsm;
extern ad_functions_t mpcodecs_ad_faad;
@ -62,6 +63,7 @@ ad_functions_t* mpcodecs_ad_drivers[] =
#ifdef USE_WIN32DLL
#ifdef USE_DIRECTSHOW
&mpcodecs_ad_dshow,
&mpcodecs_ad_dmo,
#endif
&mpcodecs_ad_acm,
#endif

103
libmpcodecs/ad_dmo.c Normal file
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@ -0,0 +1,103 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "mp_msg.h"
#include "help_mp.h"
#ifdef USE_DIRECTSHOW
#include "ad_internal.h"
static ad_info_t info =
{
"Win32/DirectShow decoders",
"dmo",
"A'rpi",
"avifile.sf.net",
""
};
LIBAD_EXTERN(dmo)
#include "dmo/DMO_AudioDecoder.h"
static int init(sh_audio_t *sh)
{
return 1;
}
extern int audio_output_channels;
static int preinit(sh_audio_t *sh_audio)
{
DMO_AudioDecoder* ds_adec;
int chans=(audio_output_channels==sh_audio->wf->nChannels) ?
audio_output_channels : (sh_audio->wf->nChannels>=2 ? 2 : 1);
if(!(ds_adec=DMO_AudioDecoder_Open(sh_audio->codec->dll,&sh_audio->codec->guid,sh_audio->wf,chans)))
{
mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_MissingDLLcodec,sh_audio->codec->dll);
return 0;
}
sh_audio->i_bps=sh_audio->wf->nAvgBytesPerSec;
sh_audio->channels=chans;
sh_audio->samplerate=sh_audio->wf->nSamplesPerSec;
sh_audio->audio_in_minsize=4*sh_audio->wf->nBlockAlign;
if(sh_audio->audio_in_minsize<8192) sh_audio->audio_in_minsize=8192;
sh_audio->audio_out_minsize=4*16384;
sh_audio->context = ds_adec;
mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32/DMO audio codec init OK!\n");
return 1;
}
static void uninit(sh_audio_t *sh)
{
DMO_AudioDecoder* ds_adec = sh->context;
DMO_AudioDecoder_Destroy(ds_adec);
}
static int control(sh_audio_t *sh_audio,int cmd,void* arg, ...)
{
int skip;
switch(cmd)
{
case ADCTRL_SKIP_FRAME:
skip=sh_audio->wf->nBlockAlign;
if(skip<16){
skip=(sh_audio->wf->nAvgBytesPerSec/16)&(~7);
if(skip<16) skip=16;
}
demux_read_data(sh_audio->ds,NULL,skip);
return CONTROL_TRUE;
}
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
DMO_AudioDecoder* ds_adec = sh_audio->context;
// int len=-1;
int size_in=0;
int size_out=0;
int srcsize=DMO_AudioDecoder_GetSrcSize(ds_adec, maxlen);
mp_msg(MSGT_DECAUDIO,MSGL_DBG3,"DMO says: srcsize=%d (buffsize=%d) out_size=%d\n",srcsize,sh_audio->a_in_buffer_size,maxlen);
if(srcsize>sh_audio->a_in_buffer_size) srcsize=sh_audio->a_in_buffer_size; // !!!!!!
if(sh_audio->a_in_buffer_len<srcsize){
sh_audio->a_in_buffer_len+=
demux_read_data(sh_audio->ds,&sh_audio->a_in_buffer[sh_audio->a_in_buffer_len],
srcsize-sh_audio->a_in_buffer_len);
}
DMO_AudioDecoder_Convert(ds_adec, sh_audio->a_in_buffer,sh_audio->a_in_buffer_len,
buf,maxlen, &size_in,&size_out);
mp_dbg(MSGT_DECAUDIO,MSGL_DBG2,"DMO: audio %d -> %d converted (in_buf_len=%d of %d) %d\n",size_in,size_out,sh_audio->a_in_buffer_len,sh_audio->a_in_buffer_size,ds_tell_pts(sh_audio->ds));
if(size_in>=sh_audio->a_in_buffer_len){
sh_audio->a_in_buffer_len=0;
} else {
sh_audio->a_in_buffer_len-=size_in;
memcpy(sh_audio->a_in_buffer,&sh_audio->a_in_buffer[size_in],sh_audio->a_in_buffer_len);
}
// len=size_out;
return size_out;
}
#endif