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Write in buffer up to play position

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git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@468 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
This commit is contained in:
aymeric 2009-05-14 11:10:27 +00:00
parent 5956587cb5
commit 06535bb424
1 changed files with 45 additions and 12 deletions
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57
linphone/mediastreamer2/src/winsndds.cpp
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@ -59,6 +59,7 @@ static void winsnddscard_set_level(MSSndCard *card, MSSndCardMixerElem e, int pe
dwVolume = ((0xFFFF) * percent) / 100;
switch(e){
case MS_SND_CARD_PLAYBACK:
case MS_SND_CARD_MASTER:
/*mr = waveOutSetVolume(d->waveoutdev, dwVolume); */
if (mr != MMSYSERR_NOERROR)
@ -69,20 +70,19 @@ static void winsnddscard_set_level(MSSndCard *card, MSSndCardMixerElem e, int pe
break;
case MS_SND_CARD_CAPTURE:
break;
case MS_SND_CARD_PLAYBACK:
break;
default:
ms_warning("winsndds_card_set_level: unsupported command.");
}
}
static int winsnddscard_get_level(MSSndCard *card, MSSndCardMixerElem e){
DWORD dWvolume = 10000;
switch(e){
case MS_SND_CARD_MASTER:
/*mr=waveOutGetVolume(d->waveoutdev, &dwVolume);*/
/* Transform to 0 to 100 scale*/
/*dwVolume = (dwVolume *100) / (0xFFFF);*/
return 60;
//IDirectSoundBuffer_GetVolume(hdsbuf, &volume);
return dWvolume *100/(-DSBVOLUME_MIN);
//vol->left = vol->right = (exp( ((float)(volume + 10000 + 0.1) / 9999) * 6.908) / 1000 - 0.001) * 100;
//printf("ao_dsound: volume: %f\n",vol->left);
break;
case MS_SND_CARD_CAPTURE:
break;
@ -477,7 +477,7 @@ static void winsndds_read_preprocess(MSFilter *f){
d->stat_output=0;
d->stat_notplayed=0;
d->framesPerDSBuffer = 320 * (d->wfx.nSamplesPerSec / 1000) /2;
d->framesPerDSBuffer = d->wfx.nAvgBytesPerSec/4;
winsndds_apply_settings(d);
ms_DirectSoundCaptureCreate( &d->in_guid, &d->lpDirectSoundCapture, NULL );
@ -564,7 +564,7 @@ static void winsndds_write_preprocess(MSFilter *f){
d->stat_output=0;
d->stat_notplayed=0;
d->framesPerDSBuffer = 320 * (d->wfx.nSamplesPerSec / 1000);
d->framesPerDSBuffer = d->wfx.nAvgBytesPerSec/4;
winsndds_apply_settings(d);
@ -573,7 +573,7 @@ static void winsndds_write_preprocess(MSFilter *f){
hWnd = GetDesktopWindow();
if ((hr = IDirectSound_SetCooperativeLevel( d->lpDirectSound,
hWnd, DSSCL_EXCLUSIVE)) != DS_OK)
hWnd, DSSCL_PRIORITY)) != DS_OK) //DSSCL_EXCLUSIVE)) != DS_OK)
{
return ;
}
@ -666,6 +666,8 @@ static void winsndds_write_postprocess(MSFilter *f){
static void winsndds_write_process(MSFilter *f){
WinSndDs *d=(WinSndDs*)f->data;
int discarded=0;
DWORD dwStatus;
HRESULT hr;
if (d->lpDirectSound==NULL) {
ms_queue_flush(f->inputs[0]);
@ -676,7 +678,7 @@ static void winsndds_write_process(MSFilter *f){
if (d->writeOffset==-1)
{
if (ms_bufferizer_get_avail(&d->output_buff)>=d->framesPerDSBuffer/2)
if (ms_bufferizer_get_avail(&d->output_buff)>=d->framesPerDSBuffer)
{
DWORD playCursor;
DWORD outputBufferWriteOffsetBytes;
@ -688,14 +690,42 @@ static void winsndds_write_process(MSFilter *f){
return;
}
DWORD current_playOffset;
long msize_max = 0;
DWORD currentWriteOffset;
IDirectSoundBuffer_GetCurrentPosition( d->lpDirectSoundOutputBuffer,
&current_playOffset, &currentWriteOffset );
msize_max = current_playOffset - currentWriteOffset;
if( msize_max < 0 ) msize_max += d->framesPerDSBuffer;
/* write from d->writeOffset up to current_playOffset */
msize_max=current_playOffset-d->writeOffset;
if( msize_max < 0 ) msize_max += d->framesPerDSBuffer;
ms_message("DS information: last_writeOffset=%i current_playOffset=%i current_writeOffset=%i max_writable=%i",
d->writeOffset, current_playOffset, currentWriteOffset, msize_max);
//d->writeOffset = outputBufferWriteOffsetBytes;
hr = IDirectSoundBuffer_GetStatus (d->lpDirectSoundOutputBuffer, &dwStatus);
if (dwStatus & DSBSTATUS_BUFFERLOST) {
hr = IDirectSoundBuffer_Restore (d->lpDirectSoundOutputBuffer);
d->writeOffset = 0;
ms_message("DSBSTATUS_BUFFERLOST: restoring buffer");
}
if (msize_max==0)
return;
int msize=d->framesPerDSBuffer/4;
if (msize>msize_max)
msize = msize_max;
while (ms_bufferizer_get_avail(&d->output_buff)>=msize)
{
LPBYTE lpOutBuf1 = NULL;
LPBYTE lpOutBuf2 = NULL;
DWORD dwOutSize1 = 0;
DWORD dwOutSize2 = 0;
HRESULT hr;
char input[15360];
hr = IDirectSoundBuffer_Lock ( d->lpDirectSoundOutputBuffer,
@ -705,7 +735,7 @@ static void winsndds_write_process(MSFilter *f){
if (hr != DS_OK)
{
ms_error("DirectSound IDirectSoundBuffer_Lock failed, hresult = 0x%x\n", hr);
continue;
break;
}
if (dwOutSize1==0)
@ -731,6 +761,9 @@ static void winsndds_write_process(MSFilter *f){
}
d->writeOffset=(d->writeOffset+dwOutSize1+dwOutSize2) % d->framesPerDSBuffer;
msize_max = msize_max - (dwOutSize1+dwOutSize2);
if (msize>msize_max)
msize = msize_max;
IDirectSoundBuffer_Unlock( d->lpDirectSoundOutputBuffer,
lpOutBuf1, dwOutSize1, lpOutBuf2, dwOutSize2);
if (dwOutSize1==0)