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First half-working avisynth audio support 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@22438 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2007-03-04 12:52:16 +00:00
parent e1b26346cc
commit e1783b6b91
1 changed files with 15 additions and 4 deletions
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19
libmpdemux/demux_avs.c
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@ -21,6 +21,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <limits.h>
#include "config.h"
#include "mp_msg.h"
@ -71,6 +72,7 @@ typedef struct tagAVS
#endif
HMODULE dll;
int frameno;
uint64_t sampleno;
int init;
imp_avs_create_script_environment avs_create_script_environment;
@ -207,15 +209,22 @@ static int demux_avs_fill_buffer(demuxer_t *demuxer, demux_stream_t *ds)
if (ds == demuxer->audio)
{
sh_audio_t *sh_audio = ds->sh;
int l = sh_audio->wf->nAvgBytesPerSec;
int samples = sh_audio->samplerate;
uint64_t l = samples * sh_audio->channels * sh_audio->samplesize;
if (l > INT_MAX) {
mp_msg(MSGT_DEMUX, MSGL_FATAL, "AVS: audio pakcet too big\n");
return 0;
}
dp = new_demux_packet(l);
if (AVS->avs_get_audio(AVS->clip, dp->buffer, AVS->frameno*sh_video->fps*l, l))
if (AVS->avs_get_audio(AVS->clip, dp->buffer, AVS->sampleno, samples))
{
mp_msg(MSGT_DEMUX, MSGL_V, "AVS: avs_get_audio() failed\n");
return 0;
}
ds_add_packet(demuxer->audio, dp);
AVS->sampleno += samples;
}
return 1;
@ -226,6 +235,7 @@ static demuxer_t* demux_open_avs(demuxer_t* demuxer)
int found = 0;
AVS_T *AVS = (AVS_T *) demuxer->priv;
AVS->frameno = 0;
AVS->sampleno = 0;
mp_msg(MSGT_DEMUX, MSGL_V, "AVS: demux_open_avs()\n");
demuxer->seekable = 1;
@ -322,8 +332,9 @@ static demuxer_t* demux_open_avs(demuxer_t* demuxer)
sh_audio->wf->nChannels = sh_audio->channels = AVS->video_info->nchannels;
sh_audio->wf->nSamplesPerSec = sh_audio->samplerate = AVS->video_info->audio_samples_per_second;
sh_audio->wf->nAvgBytesPerSec = AVS->video_info->audio_samples_per_second * 4;
sh_audio->wf->nBlockAlign = 4;
sh_audio->wf->wBitsPerSample = sh_audio->samplesize = 16; // AVS->video_info->sample_type ??
sh_audio->samplesize = 2;
sh_audio->wf->nBlockAlign = sh_audio->channels * sh_audio->samplesize;
sh_audio->wf->wBitsPerSample = sh_audio->samplesize * 8;
sh_audio->wf->cbSize = 0;
sh_audio->i_bps = sh_audio->wf->nAvgBytesPerSec;
sh_audio->o_bps = sh_audio->wf->nAvgBytesPerSec;