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author | ulion <ulion@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2007-12-13 12:51:05 +0000 |
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committer | ulion <ulion@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2007-12-13 12:51:05 +0000 |
commit | e34efdf16796e30ae5b7a063d88d2709b4b81368 (patch) | |
tree | c495337aad0f178bd14c33608deb70896969a4f4 /libmpdemux/demuxer.c | |
parent | 66abcc42af42d848725974c1a08fd43ce2053f78 (diff) | |
download | mpv-e34efdf16796e30ae5b7a063d88d2709b4b81368.tar.bz2 mpv-e34efdf16796e30ae5b7a063d88d2709b4b81368.tar.xz |
Add demuxer functions for chapter feature.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25386 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpdemux/demuxer.c')
-rw-r--r-- | libmpdemux/demuxer.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/libmpdemux/demuxer.c b/libmpdemux/demuxer.c index 697c8585a0..a666e3c9e3 100644 --- a/libmpdemux/demuxer.c +++ b/libmpdemux/demuxer.c @@ -1216,3 +1216,74 @@ int demuxer_seek_chapter(demuxer_t *demuxer, int chapter, int mode, float *seek_ return current; } } + +int demuxer_get_current_chapter(demuxer_t *demuxer) { + int chapter = -1; + if (!demuxer->num_chapters || !demuxer->chapters) { + if (stream_control(demuxer->stream, STREAM_CTRL_GET_CURRENT_CHAPTER, + &chapter) == STREAM_UNSUPPORTED) + chapter = -1; + } + else { + sh_video_t *sh_video = demuxer->video->sh; + sh_audio_t *sh_audio = demuxer->audio->sh; + uint64_t now; + now = (sh_video ? sh_video->pts : (sh_audio?sh_audio->pts:0))*1000+0.5; + for (chapter = demuxer->num_chapters - 1; chapter >= 0; --chapter) { + if (demuxer->chapters[chapter].start <= now) + break; + } + } + return chapter; +} + +char *demuxer_chapter_name(demuxer_t *demuxer, int chapter) { + if (demuxer->num_chapters && demuxer->chapters) { + if (chapter >=0 && chapter < demuxer->num_chapters && + demuxer->chapters[chapter].name) + return strdup(demuxer->chapters[chapter].name); + } + return NULL; +} + +char *demuxer_chapter_display_name(demuxer_t *demuxer, int chapter) { + char *chapter_name = demuxer_chapter_name(demuxer, chapter); + if (chapter_name) { + char *tmp = malloc(strlen(chapter_name) + 14); + snprintf(tmp, 63, "(%d) %s", chapter + 1, chapter_name); + free(chapter_name); + return tmp; + } + else { + int chapter_num = demuxer_chapter_count(demuxer); + char tmp[30]; + if (chapter_num <= 0) + sprintf(tmp, "(%d)", chapter + 1); + else + sprintf(tmp, "(%d) of %d", chapter + 1, chapter_num); + return strdup(tmp); + } +} + +float demuxer_chapter_time(demuxer_t *demuxer, int chapter, float *end) { + if (demuxer->num_chapters && demuxer->chapters && chapter >= 0 + && chapter < demuxer->num_chapters) { + if (end) + *end = demuxer->chapters[chapter].end / 1000.0; + return demuxer->chapters[chapter].start / 1000.0; + } + return -1.0; +} + +int demuxer_chapter_count(demuxer_t *demuxer) { + if (!demuxer->num_chapters || !demuxer->chapters) { + int num_chapters = 0; + if (stream_control(demuxer->stream, STREAM_CTRL_GET_NUM_CHAPTERS, + &num_chapters) == STREAM_UNSUPPORTED) + num_chapters = 0; + return num_chapters; + } + else + return demuxer->num_chapters; +} + |