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needed for a/v sync with compressed audio (e.g. raw .mp2 or .ac3 file)

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12282 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
rfelker 2004-04-26 03:11:08 +00:00
parent 1162cbf129
commit 7c726367e6
1 changed files with 8 additions and 1 deletions
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9
libmpdemux/demux_rawaudio.c
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@ -17,6 +17,7 @@ extern int demuxer_type;
static int channels = 2;
static int samplerate = 44100;
static int samplesize = 2;
static int bitrate = 0;
static int format = 0x1; // Raw PCM
m_option_t demux_rawaudio_opts[] = {
@ -24,6 +25,7 @@ m_option_t demux_rawaudio_opts[] = {
{ "channels", &channels, CONF_TYPE_INT,CONF_RANGE,1,8, NULL },
{ "rate", &samplerate, CONF_TYPE_INT,CONF_RANGE,1000,8*48000, NULL },
{ "samplesize", &samplesize, CONF_TYPE_INT,CONF_RANGE,1,8, NULL },
{ "bitrate", &bitrate, CONF_TYPE_INT,CONF_MIN,0,0, NULL },
{ "format", &format, CONF_TYPE_INT, CONF_MIN, 0 , 0, NULL },
{NULL, NULL, 0, 0, 0, 0, NULL}
};
@ -40,7 +42,12 @@ int demux_rawaudio_open(demuxer_t* demuxer) {
w->wFormatTag = sh_audio->format = format;
w->nChannels = sh_audio->channels = channels;
w->nSamplesPerSec = sh_audio->samplerate = samplerate;
w->nAvgBytesPerSec = samplerate*samplesize*channels;
if (bitrate > 999)
w->nAvgBytesPerSec = bitrate/8;
else if (bitrate > 0)
w->nAvgBytesPerSec = bitrate*125;
else
w->nAvgBytesPerSec = samplerate*samplesize*channels;
w->nBlockAlign = channels*samplesize;
sh_audio->samplesize = samplesize;
w->wBitsPerSample = 8*samplesize;