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volume level and fix a buffer size bug

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git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@710 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
This commit is contained in:
aymeric 2009-10-12 07:43:24 +00:00
parent a5537a84f8
commit a82cf3f9e5
1 changed files with 55 additions and 4 deletions
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59
linphone/mediastreamer2/src/aqsnd.c
View file

@ -67,6 +67,11 @@ MSFilter *ms_aq_write_new(MSSndCard * card);
#define kNumberAudioOutDataBuffers 4
#define kNumberAudioInDataBuffers 4
float gain_volume_in=1.0;
float gain_volume_out=1.0;
bool gain_changed_in = true;
bool gain_changed_out = true;
typedef struct AQData {
CFStringRef uidname;
AudioStreamBasicDescription devicereadFormat;
@ -111,11 +116,35 @@ typedef struct AqSndDsCard {
static void aqcard_set_level(MSSndCard * card, MSSndCardMixerElem e,
int percent)
{
switch(e){
case MS_SND_CARD_PLAYBACK:
case MS_SND_CARD_MASTER:
gain_volume_out =((float)percent)/100.0f;
gain_changed_out = true;
return;
case MS_SND_CARD_CAPTURE:
gain_volume_in =((float)percent)/100.0f;
gain_changed_in = true;
return;
default:
ms_warning("aqcard_set_level: unsupported command.");
}
}
static int aqcard_get_level(MSSndCard * card, MSSndCardMixerElem e)
{
return 0;
switch(e){
case MS_SND_CARD_PLAYBACK:
case MS_SND_CARD_MASTER:
{
}
return (int)(gain_volume_out*100.0f);
case MS_SND_CARD_CAPTURE:
return (int)(gain_volume_in*100.0f);
default:
ms_warning("aqcard_get_level: unsupported command.");
}
return -1;
}
static void aqcard_set_source(MSSndCard * card, MSSndCardCapture source)
@ -397,8 +426,17 @@ static void readCallback(void *aqData,
d->devicereadFormat.mChannelsPerFrame);
freeb(rm);
} else {
rm->b_wptr += len;
putq(&d->rq, rm);
rm->b_wptr += len;
if (gain_volume_in != 1.0f)
{
int16_t *ptr=(int16_t *)rm->b_rptr;
for (;ptr<(int16_t *)rm->b_wptr;ptr++)
{
*ptr=(int16_t)(((float)(*ptr))*gain_volume_in);
}
}
putq(&d->rq, rm);
}
err = AudioQueueEnqueueBuffer(d->readQueue, inBuffer, 0, NULL);
@ -419,7 +457,7 @@ static void writeCallback(void *aqData,
OSStatus err;
int len =
(d->writeBufferByteSize * d->writeAudioFormat.mSampleRate / 2) /
(d->writeBufferByteSize * d->writeAudioFormat.mSampleRate / 1) /
d->devicewriteFormat.mSampleRate /
d->devicewriteFormat.mChannelsPerFrame;
@ -449,6 +487,15 @@ static void writeCallback(void *aqData,
memset(inBuffer->mAudioData, 0, d->writeBufferByteSize);
}
inBuffer->mAudioDataByteSize = d->writeBufferByteSize;
if (gain_changed_out == true)
{
AudioQueueSetParameter (d->writeQueue,
kAudioQueueParam_Volume,
gain_volume_out);
gain_changed_out = false;
}
err = AudioQueueEnqueueBuffer(d->writeQueue, inBuffer, 0, NULL);
if (err != noErr) {
ms_error("AudioQueueEnqueueBuffer %d", err);
@ -645,6 +692,10 @@ static void aq_start_w(MSFilter * f)
ms_error("AudioQueueNewOutput = %d", aqresult);
}
AudioQueueSetParameter (d->writeQueue,
kAudioQueueParam_Volume,
gain_volume_out);
char uidname[256];
CFStringGetCString(d->uidname, uidname, 256,
CFStringGetSystemEncoding());