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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@16613 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2005-09-27 19:04:10 +00:00
parent 47b5a39d38
commit 03a2df9a8b
1 changed files with 16 additions and 3 deletions
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19
libmpdemux/demux_mpc.c
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@ -23,6 +23,7 @@ typedef struct da_priv {
float last_pts;
uint32_t dword;
int pos;
float length;
} da_priv_t;
extern void free_sh_audio(sh_audio_t* sh);
@ -70,6 +71,7 @@ static int demux_mpc_check(demuxer_t* demuxer) {
}
static demuxer_t *demux_mpc_open(demuxer_t* demuxer) {
float seconds = 0;
stream_t *s = demuxer->stream;
sh_audio_t* sh_audio;
da_priv_t* priv = demuxer->priv;
@ -81,7 +83,6 @@ static demuxer_t *demux_mpc_open(demuxer_t* demuxer) {
char *header = &wf[sizeof(WAVEFORMATEX)];
const int freqs[4] = {44100, 48000, 37800, 32000};
int frames;
int seconds;
sh_audio->format = mmioFOURCC('M', 'P', 'C', ' ');
memcpy(header, priv, HDR_SIZE);
free(priv);
@ -92,8 +93,8 @@ static demuxer_t *demux_mpc_open(demuxer_t* demuxer) {
sh_audio->wf->nSamplesPerSec = freqs[header[10] & 3];
sh_audio->wf->nBlockAlign = 32 * 36;
sh_audio->wf->wBitsPerSample = 16;
seconds = 1152 * frames / sh_audio->wf->nSamplesPerSec;
if (demuxer->movi_end > demuxer->movi_start && seconds > 0)
seconds = 1152 * frames / (float)sh_audio->wf->nSamplesPerSec;
if (demuxer->movi_end > demuxer->movi_start && seconds > 1)
sh_audio->wf->nAvgBytesPerSec = (demuxer->movi_end - demuxer->movi_start) / seconds;
else
sh_audio->wf->nAvgBytesPerSec = 32 * 1024; // dummy to make mencoder not hang
@ -104,6 +105,7 @@ static demuxer_t *demux_mpc_open(demuxer_t* demuxer) {
priv = (da_priv_t *)malloc(sizeof(da_priv_t));
priv->last_pts = -1;
priv->length = seconds;
priv->dword = 0;
priv->pos = 0;
stream_read(s, (void *)&priv->dword, 4);
@ -164,6 +166,17 @@ static void demux_close_mpc(demuxer_t* demuxer) {
}
static int demux_mpc_control(demuxer_t *demuxer,int cmd, void *arg){
da_priv_t* priv = demuxer->priv;
switch (cmd) {
case DEMUXER_CTRL_GET_TIME_LENGTH:
if (priv->length < 1) return DEMUXER_CTRL_DONTKNOW;
*((double *)arg) = priv->length;
return DEMUXER_CTRL_OK;
case DEMUXER_CTRL_GET_PERCENT_POS:
if (priv->length < 1) return DEMUXER_CTRL_DONTKNOW;
*((int *)arg) = priv->last_pts * 100 / priv->length;
return DEMUXER_CTRL_OK;
}
return DEMUXER_CTRL_NOTIMPL;
}