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Code Issues Releases Wiki Activity

implemented dvdnav_lang_from_aid() to retrieve audio language

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@21619 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
nicodvb 2006-12-14 23:08:09 +00:00
parent 1b36df0c85
commit b55a18019f
2 changed files with 31 additions and 0 deletions
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30
stream/stream_dvdnav.c
View File

@ -515,6 +515,36 @@ int dvdnav_aid_from_lang(stream_t *stream, unsigned char *language) {
return -1;
}
/**
* \brief dvdnav_lang_from_aid() assigns to buf the language corresponding to audio id 'aid'
* \param stream: - stream pointer
* \param sid: physical subtitle id
* \param buf: buffer to contain the 2-chars language string
* \return 0 on error, 1 if successful
*/
int dvdnav_lang_from_aid(stream_t *stream, int aid, unsigned char *buf) {
uint8_t lg;
uint16_t lang;
dvdnav_priv_t * priv=(dvdnav_priv_t*)stream->priv;
if(aid >= 0x80 && aid < 0x88)
aid -= 0x80;
else if(aid >= 0x88 && aid <= 0x8F)
aid -= 0x88;
else if(aid >= 0xA0 && aid <= 0xAF)
aid -= 0xA0;
if(aid < 0)
return 0;
lg = dvdnav_get_audio_logical_stream(priv->dvdnav, aid);
if(lg == 0xff) return 0;
lang = dvdnav_audio_stream_to_lang(priv->dvdnav, lg);
if(lang == 0xffff) return 0;
buf[0] = lang >> 8;
buf[1] = lang & 0xFF;
buf[2] = 0;
return 1;
}
/**
* \brief dvdnav_sid_from_lang() returns the subtitle id corresponding to the language code 'lang'

1
stream/stream_dvdnav.h
View File

@ -31,6 +31,7 @@ typedef struct {
int dvdnav_number_of_subs(stream_t *stream);
int dvdnav_aid_from_lang(stream_t *stream, unsigned char *language);
int dvdnav_lang_from_aid(stream_t *stream, int id, unsigned char *buf);
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);