diff options
Diffstat (limited to 'libhb/muxmp4.c')
| -rw-r--r-- | libhb/muxmp4.c | 47 |
1 files changed, 45 insertions, 2 deletions
diff --git a/libhb/muxmp4.c b/libhb/muxmp4.c index 357551ec6..458de7be3 100644 --- a/libhb/muxmp4.c +++ b/libhb/muxmp4.c @@ -23,6 +23,7 @@ struct hb_mux_object_s /* Cumulated durations so far, in timescale units (see MP4Mux) */ uint64_t sum_dur; + }; struct hb_mux_data_s @@ -141,14 +142,17 @@ static int MP4Init( hb_mux_object_t * m ) if(!MP4SetBytesProperty(m->file, "moov.trak.tkhd.reserved3", nval, size)) { hb_log("Problem setting transform matrix"); } - + } } /* end of transformation matrix */ + /* firstAudioTrack will be used to reference the first audio track when we add a chapter track */ + MP4TrackId firstAudioTrack; + /* add the audio tracks */ for( i = 0; i < hb_list_count( title->list_audio ); i++ ) { audio = hb_list_item( title->list_audio, i ); @@ -160,8 +164,47 @@ static int MP4Init( hb_mux_object_t * m ) MP4SetAudioProfileLevel( m->file, 0x0F ); MP4SetTrackESConfiguration( m->file, mux_data->track, audio->config.aac.bytes, audio->config.aac.length ); + + /* store a reference to the first audio track, + so we can use it to feed the chapter text track's sample rate */ + if (i == 0) { + firstAudioTrack = mux_data->track; + } + } + if (job->chapter_markers) { + + /* add a text track for the chapters */ + MP4TrackId textTrack; + + textTrack = MP4AddChapterTextTrack(m->file, firstAudioTrack); + + /* write the chapter markers for each selected chapter */ + char markerBuf[13]; + hb_chapter_t * chapter; + MP4Duration chapterDuration; + float fOrigDuration, fTimescale; + float fTSDuration; + + for( i = job->chapter_start - 1; i <= job->chapter_end - 1; i++ ) + { + chapter = hb_list_item( title->list_chapter, i ); + + fOrigDuration = chapter->duration; + fTimescale = job->arate; + fTSDuration = (fOrigDuration / 90000) * fTimescale; + chapterDuration = (MP4Duration)fTSDuration; + + sprintf(markerBuf, " Chapter %03i", i + 1); + markerBuf[0] = 0; + markerBuf[1] = 11; // "Chapter xxx" + MP4WriteSample(m->file, textTrack, (u_int8_t*)markerBuf, 13, chapterDuration, 0, true); + + } + + } + return 0; } @@ -196,8 +239,8 @@ static int MP4End( hb_mux_object_t * m ) { #if 0 hb_job_t * job = m->job; -#endif char filename[1024]; memset( filename, 0, 1024 ); +#endif MP4Close( m->file ); |