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Code Issues Releases Wiki Activity

added dvdnav_aid_from_lang() to support -alang

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@21616 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
nicodvb 2006-12-14 22:11:43 +00:00
parent 2025452bd0
commit 1b5ce67b7e
2 changed files with 45 additions and 0 deletions
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44
stream/stream_dvdnav.c
View File

@ -472,6 +472,50 @@ void mp_dvdnav_update_mouse_pos(stream_t *stream, int32_t x, int32_t y, int* but
priv->mousey = y;
}
/**
* \brief dvdnav_aid_from_lang() returns the audio id corresponding to the language code 'lang'
* \param stream: - stream pointer
* \param lang: 2-characters language code[s], eventually separated by spaces of commas
* \return -1 on error, current subtitle id if successful
*/
int dvdnav_aid_from_lang(stream_t *stream, unsigned char *language) {
dvdnav_priv_t * priv=(dvdnav_priv_t*)stream->priv;
int k;
uint8_t format, lg;
uint16_t lang, lcode;;
#ifdef DVDNAV_FORMAT_AC3
//this macro is defined only in libdvdnav-cvs
while(language && strlen(language)>=2) {
lcode = (language[0] << 8) | (language[1]);
for(k=0; k<32; k++) {
lg = dvdnav_get_audio_logical_stream(priv->dvdnav, k);
if(lg == 0xff) continue;
lang = dvdnav_audio_stream_to_lang(priv->dvdnav, lg);
if(lang != 0xFFFF && lang == lcode) {
format = dvdnav_audio_stream_format(priv->dvdnav, lg);
switch(format) {
case DVDNAV_FORMAT_AC3:
return k+128;
case DVDNAV_FORMAT_DTS:
return k+136;
case DVDNAV_FORMAT_LPCM:
return k+160;
case DVDNAV_FORMAT_MPEGAUDIO:
return k;
default:
return -1;
}
}
}
language += 2;
while(language[0]==',' || language[0]==' ') ++language;
}
#endif
return -1;
}
/**
* \brief dvdnav_sid_from_lang() returns the subtitle id corresponding to the language code 'lang'
* \param stream: - stream pointer

1
stream/stream_dvdnav.h
View File

@ -30,6 +30,7 @@ typedef struct {
int dvdnav_number_of_subs(stream_t *stream);
int dvdnav_aid_from_lang(stream_t *stream, unsigned char *language);
int dvdnav_sid_from_lang(stream_t *stream, unsigned char *language);
int dvdnav_lang_from_sid(stream_t *stream, int sid, unsigned char *buf);
int mp_dvdnav_handle_input(stream_t *stream, int cmd, int *button);