Index: libmpdemux/demuxer.c =================================================================== --- libmpdemux/demuxer.c (revision 25332) +++ libmpdemux/demuxer.c (working copy) @@ -1214,3 +1214,64 @@ 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 %3d", chapter + 1, chapter_num); + return strdup(tmp); + } +} + +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; +} + Index: libmpdemux/demuxer.h =================================================================== --- libmpdemux/demuxer.h (revision 25332) +++ libmpdemux/demuxer.h (working copy) @@ -387,5 +387,13 @@ int demuxer_add_chapter(demuxer_t* demuxer, const char* name, uint64_t start, uint64_t end); int demuxer_seek_chapter(demuxer_t *demuxer, int chapter, int mode, float *seek_pts, int *num_chapters, char **chapter_name); +/// Get current chapter index if available. +int demuxer_get_current_chapter(demuxer_t *demuxer); +/// Get chapter name by index if available. +char *demuxer_chapter_name(demuxer_t *demuxer, int chapter); +/// Get chapter display name by index. +char *demuxer_chapter_display_name(demuxer_t *demuxer, int chapter); +/// Get total chapter number. +int demuxer_chapter_count(demuxer_t *demuxer); #endif /* DEMUXER_H */