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ACM code cleanup, nosound at ACM error 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@93 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi_esp 2001-03-12 01:09:35 +00:00
parent 8a22dd0a52
commit 18b80426e8
2 changed files with 76 additions and 52 deletions
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55
dll_init.c
View File

@ -1,6 +1,10 @@
// ACM audio and VfW video codecs initialization
// based on the avifile library [http://divx.euro.ru]
static char* a_in_buffer=NULL;
static int a_in_buffer_len=0;
static int a_in_buffer_size=0;
int init_audio_codec(){
HRESULT ret;
WAVEFORMATEX *in_fmt=(WAVEFORMATEX*)&avi_header.wf_ext;
@ -45,9 +49,60 @@ int init_audio_codec(){
avi_header.audio_in_minsize=srcsize; // audio input min. size
if(verbose) printf("Audio ACM input buffer min. size: %d\n",srcsize);
a_in_buffer_size=avi_header.audio_in_minsize;
a_in_buffer=malloc(a_in_buffer_size);
a_in_buffer_len=0;
return 1;
}
int acm_decode_audio(void* a_buffer,int len){
ACMSTREAMHEADER ash;
HRESULT hr;
DWORD srcsize=0;
acmStreamSize(avi_header.srcstream,len , &srcsize, ACM_STREAMSIZEF_DESTINATION);
if(verbose>=3)printf("acm says: srcsize=%d (buffsize=%d) out_size=%d\n",srcsize,a_in_buffer_size,len);
// if(srcsize==0) srcsize=((WAVEFORMATEX *)&avi_header.wf_ext)->nBlockAlign;
if(srcsize>a_in_buffer_size) srcsize=a_in_buffer_size; // !!!!!!
if(a_in_buffer_len<srcsize){
a_in_buffer_len+=
demux_read_data(d_audio,&a_in_buffer[a_in_buffer_len],
srcsize-a_in_buffer_len);
}
memset(&ash, 0, sizeof(ash));
ash.cbStruct=sizeof(ash);
ash.fdwStatus=0;
ash.dwUser=0;
ash.pbSrc=a_in_buffer;
ash.cbSrcLength=a_in_buffer_len;
ash.pbDst=a_buffer;
ash.cbDstLength=len;
hr=acmStreamPrepareHeader(avi_header.srcstream,&ash,0);
if(hr){
printf("ACM_Decoder: acmStreamPrepareHeader error %d\n",hr);
return -1;
}
hr=acmStreamConvert(avi_header.srcstream,&ash,0);
if(hr){
printf("ACM_Decoder: acmStreamConvert error %d\n",hr);
return -1;
}
//printf("ACM convert %d -> %d (buf=%d)\n",ash.cbSrcLengthUsed,ash.cbDstLengthUsed,a_in_buffer_len);
if(ash.cbSrcLengthUsed>=a_in_buffer_len){
a_in_buffer_len=0;
} else {
a_in_buffer_len-=ash.cbSrcLengthUsed;
memcpy(a_in_buffer,&a_in_buffer[ash.cbSrcLengthUsed],a_in_buffer_len);
}
len=ash.cbDstLengthUsed;
hr=acmStreamUnprepareHeader(avi_header.srcstream,&ash,0);
if(hr){
printf("ACM_Decoder: acmStreamUnprepareHeader error %d\n",hr);
}
return len;
}
int init_video_codec(int outfmt){
HRESULT ret;

73
mplayer.c
View File

@ -995,9 +995,6 @@ if(has_video==1){
char* a_buffer=NULL;
int a_buffer_len=0;
int a_buffer_size=0;
char* a_in_buffer=NULL;
int a_in_buffer_len=0;
int a_in_buffer_size=0;
int audio_fd=-1;
int pcm_bswap=0;
float buffer_delay=0;
@ -1058,9 +1055,6 @@ if(has_audio==4){
if(init_audio_codec()){
MP3_channels=avi_header.wf.nChannels;
MP3_samplerate=avi_header.wf.nSamplesPerSec;
a_in_buffer_size=avi_header.audio_in_minsize;
a_in_buffer=malloc(a_in_buffer_size);
a_in_buffer_len=0;
if(a_buffer_size<avi_header.audio_out_minsize+OUTBURST)
a_buffer_size=avi_header.audio_out_minsize+OUTBURST;
} else {
@ -1078,6 +1072,17 @@ a_buffer=malloc(a_buffer_size);
memset(a_buffer,0,a_buffer_size);
a_buffer_len=0;
if(has_audio==4){
int ret=acm_decode_audio(a_buffer,a_buffer_size);
if(ret<0){
printf("ACM error %d -> switching to nosound...\n",ret);
has_audio=0;
} else {
a_buffer_len=ret;
printf("ACM decoding test: %d bytes\n",ret);
}
}
if(has_audio==2){
if(file_format==DEMUXER_TYPE_AVI || file_format==DEMUXER_TYPE_AVI_NI){
// AVI PCM Audio:
@ -1236,12 +1241,14 @@ if(force_fps) default_fps=force_fps;
printf("Start playing...\n");fflush(stdout);
if(0) // ACM debug code
#if 0
// ACM debug code
{ DWORD srcsize=0;
DWORD dstsize=16384*8;
int ret=acmStreamSize(avi_header.srcstream,dstsize, &srcsize, ACM_STREAMSIZEF_DESTINATION);
printf("acmStreamSize %d -> %d (err=%d)\n",dstsize,srcsize,ret);
}
#endif
InitTimer();
@ -1286,12 +1293,12 @@ while(has_audio){
}
case 6: // MS-GSM decoder
{ unsigned char buf[65]; // 65 bytes / frame
while(a_buffer_len<OUTBURST){
if(demux_read_data(d_audio,buf,65)!=65) break; // EOF
XA_MSGSM_Decoder(buf,(unsigned short *) &a_buffer[a_buffer_len]); // decodes 65 byte -> 320 short
while(a_buffer_len<OUTBURST){
if(demux_read_data(d_audio,buf,65)!=65) break; // EOF
XA_MSGSM_Decoder(buf,(unsigned short *) &a_buffer[a_buffer_len]); // decodes 65 byte -> 320 short
// XA_GSM_Decoder(buf,(unsigned short *) &a_buffer[a_buffer_len]); // decodes 33 byte -> 160 short
a_buffer_len+=2*320;
}
a_buffer_len+=2*320;
}
break;
}
case 3: // AC3 decoder
@ -1306,46 +1313,8 @@ while(has_audio){
//printf("{3:%d}",avi_header.idx_pos);fflush(stdout);
break;
case 4:
{ ACMSTREAMHEADER ash;
HRESULT hr;
DWORD srcsize=0;
acmStreamSize(avi_header.srcstream,a_buffer_size-a_buffer_len , &srcsize, ACM_STREAMSIZEF_DESTINATION);
if(verbose>=3)printf("acm says: srcsize=%d (buffsize=%d) out_size=%d\n",srcsize,a_in_buffer_size,a_buffer_size-a_buffer_len);
// if(srcsize==0) srcsize=((WAVEFORMATEX *)&avi_header.wf_ext)->nBlockAlign;
if(srcsize>a_in_buffer_size) srcsize=a_in_buffer_size; // !!!!!!
if(a_in_buffer_len<srcsize){
a_in_buffer_len+=
demux_read_data(d_audio,&a_in_buffer[a_in_buffer_len],
srcsize-a_in_buffer_len);
}
memset(&ash, 0, sizeof(ash));
ash.cbStruct=sizeof(ash);
ash.fdwStatus=0;
ash.dwUser=0;
ash.pbSrc=a_in_buffer;
ash.cbSrcLength=a_in_buffer_len;
ash.pbDst=&a_buffer[a_buffer_len];
ash.cbDstLength=a_buffer_size-a_buffer_len;
hr=acmStreamPrepareHeader(avi_header.srcstream,&ash,0);
if(hr){
printf("ACM_Decoder: acmStreamPrepareHeader error %d\n",hr);break;
}
hr=acmStreamConvert(avi_header.srcstream,&ash,0);
if(hr){
printf("ACM_Decoder: acmStreamConvert error %d\n",hr);break;
}
//printf("ACM convert %d -> %d (buf=%d)\n",ash.cbSrcLengthUsed,ash.cbDstLengthUsed,a_in_buffer_len);
if(ash.cbSrcLengthUsed>=a_in_buffer_len){
a_in_buffer_len=0;
} else {
a_in_buffer_len-=ash.cbSrcLengthUsed;
memcpy(a_in_buffer,&a_in_buffer[ash.cbSrcLengthUsed],a_in_buffer_len);
}
a_buffer_len+=ash.cbDstLengthUsed;
hr=acmStreamUnprepareHeader(avi_header.srcstream,&ash,0);
if(hr){
printf("ACM_Decoder: acmStreamUnprepareHeader error %d\n",hr);
}
{ int ret=acm_decode_audio(&a_buffer[a_buffer_len],a_buffer_size-a_buffer_len);
if(ret>0) a_buffer_len+=ret;
break;
}
}