void AddIPodUUID(MP4FileHandle, MP4TrackId);
-/* B-frame muxing variables */
-MP4SampleId thisSample = 0;
-uint64_t initDelay;
-
struct hb_mux_object_s
{
HB_MUX_COMMON;
MP4AddH264PictureParameterSet( m->file, mux_data->track,
job->config.h264.pps, job->config.h264.pps_length );
- if( job->h264_level == 30)
+ if( job->h264_level == 30 || job->ipod_atom)
{
hb_log("About to add iPod atom");
AddIPodUUID(m->file, mux_data->track);
mux_data = malloc( sizeof( hb_mux_data_t ) );
audio->mux_data = mux_data;
- mux_data->track = MP4AddAudioTrack( m->file,
+ if( job->acodec & HB_ACODEC_AC3 ||
+ job->audio_mixdowns[i] == HB_AMIXDOWN_AC3 )
+ {
+ mux_data->track = MP4AddAC3AudioTrack(
+ m->file,
+ job->arate, 1536, MP4_MPEG4_AUDIO_TYPE );
+ MP4SetTrackBytesProperty(
+ m->file, mux_data->track,
+ "udta.name.value",
+ (const u_int8_t*)"Surround", strlen("Surround"));
+ } else {
+ mux_data->track = MP4AddAudioTrack(
+ m->file,
job->arate, 1024, MP4_MPEG4_AUDIO_TYPE );
- MP4SetAudioProfileLevel( m->file, 0x0F );
- MP4SetTrackESConfiguration( m->file, mux_data->track,
+ MP4SetTrackBytesProperty(
+ m->file, mux_data->track,
+ "udta.name.value",
+ (const u_int8_t*)"Stereo", strlen("Stereo"));
+
+ MP4SetAudioProfileLevel( m->file, 0x0F );
+ MP4SetTrackESConfiguration(
+ m->file, mux_data->track,
audio->config.aac.bytes, audio->config.aac.length );
-
+
+ /* Set the correct number of channels for this track */
+ reserved2[9] = (u_int8_t)HB_AMIXDOWN_GET_DISCRETE_CHANNEL_COUNT(audio->amixdown);
+ MP4SetTrackBytesProperty(m->file, mux_data->track, "mdia.minf.stbl.stsd.mp4a.reserved2", reserved2, sizeof(reserved2));
+
+ }
/* Set the language for this track */
/* The language is stored as 5-bit text - 0x60 */
language_code = audio->iso639_2[0] - 0x60; language_code <<= 5;
language_code |= audio->iso639_2[2] - 0x60;
MP4SetTrackIntegerProperty(m->file, mux_data->track, "mdia.mdhd.language", language_code);
- /* Set the correct number of channels for this track */
- reserved2[9] = (u_int8_t)HB_AMIXDOWN_GET_DISCRETE_CHANNEL_COUNT(audio->amixdown);
- MP4SetTrackBytesProperty(m->file, mux_data->track, "mdia.minf.stbl.stsd.mp4a.reserved2", reserved2, sizeof(reserved2));
+
+ /* Set the audio track alternate group */
+ MP4SetTrackIntegerProperty(m->file, mux_data->track, "tkhd.alternate_group", 1);
+
+ /* If we ever upgrade mpeg4ip, the line above should be replaced with the line below.*/
+// MP4SetTrackIntegerProperty(m->file, mux_data->track, "mdia.minf.stbl.stsd.mp4a.channels", (u_int16_t)HB_AMIXDOWN_GET_DISCRETE_CHANNEL_COUNT(audio->amixdown));
/* store a reference to the first audio track,
so we can use it to feed the chapter text track's sample rate */
m->current_chapter = job->chapter_start;
}
+ /* Add encoded-by metadata listing version and build date */
+ char *tool_string;
+ tool_string = (char *)malloc(80);
+ snprintf( tool_string, 80, "HandBrake %s %i", HB_VERSION, HB_BUILD);
+ MP4SetMetadataTool(m->file, tool_string);
+ free(tool_string);
+
return 0;
}
(This is because of how durations for text tracks work in QT) */
if( job->chapter_markers && buf->new_chap )
{
- struct hb_text_sample_s *sample = MP4GenerateChapterSample( m, (m->sum_dur - m->chapter_duration) );
+ struct hb_text_sample_s *sample;
+
+ /* If this is an x264 encode with bframes the IDR frame we're
+ trying to mark will be displayed offset by its renderOffset
+ so we need to offset the chapter by the same amount.
+ MP4 render offsets don't seem to work for text tracks so
+ we have to fudge the duration instead. */
+ duration = m->sum_dur - m->chapter_duration;
+
+ if ( job->areBframes )
+ {
+ duration += buf->renderOffset * job->arate / 90000;
+ }
+
+ sample = MP4GenerateChapterSample( m, duration );
if( !MP4WriteSample(m->file,
m->chapter_track,
}
free(sample);
m->current_chapter++;
- m->chapter_duration = m->sum_dur;
+ m->chapter_duration += duration;
}
/* Video */
/* Because we use the audio samplerate as the timescale,
we have to use potentially variable durations so the video
doesn't go out of sync */
- duration = ( buf->stop * job->arate / 90000 ) - m->sum_dur;
+ int64_t bias = ( buf->start * job->arate / 90000 ) - m->sum_dur;
+ duration = ( buf->stop - buf->start ) * job->arate / 90000 + bias;
m->sum_dur += duration;
}
else
duration = MP4_INVALID_DURATION;
}
- /* When we do get the first keyframe, use its duration as the
- initial delay added to the frame order offset for b-frames.
- Because of b-pyramid, double this duration when there are
- b-pyramids, as denoted by job->areBframes equalling 2. */
- if ((mux_data->track == 1) && (thisSample == 0) && (buf->frametype & HB_FRAME_KEY) && (job->vcodec == HB_VCODEC_X264))
- {
- initDelay = buf->renderOffset;
- thisSample++;
- }
-
/* Here's where the sample actually gets muxed.
If it's an audio sample, don't offset the sample's playback.
If it's a video sample and there are no b-frames, ditto.
free(sample);
}
-#if 0
- hb_job_t * job = m->job;
- char filename[1024]; memset( filename, 0, 1024 );
-#endif
-
if (job->areBframes)
- /* Walk the entire video sample table and find the minumum ctts value. */
{
- MP4SampleId count = MP4GetTrackNumberOfSamples( m->file, 1);
- MP4SampleId i;
- MP4Duration renderingOffset = 2000000000, tmp;
-
- // Find the smallest rendering offset
- for(i = 1; i <= count; i++)
- {
- tmp = MP4GetSampleRenderingOffset(m->file, 1, i);
- if(tmp < renderingOffset)
- renderingOffset = tmp;
- }
-
- // Adjust all ctts values down by renderingOffset
- for(i = 1; i <= count; i++)
- {
- MP4SetSampleRenderingOffset(m->file,1,i,
- MP4GetSampleRenderingOffset(m->file,1,i) - renderingOffset);
- }
-
// Insert track edit to get A/V back in sync. The edit amount is
// the rendering offset of the first sample.
MP4AddTrackEdit(m->file, 1, MP4_INVALID_EDIT_ID, MP4GetSampleRenderingOffset(m->file,1,1),
MP4GetTrackDuration(m->file, 1), 0);
+ if ( m->job->chapter_markers )
+ {
+ // apply same edit to chapter track to keep it in sync with video
+ MP4AddTrackEdit(m->file, m->chapter_track, MP4_INVALID_EDIT_ID,
+ MP4GetSampleRenderingOffset(m->file,1,1),
+ MP4GetTrackDuration(m->file, m->chapter_track), 0);
+ }
}
MP4Close( m->file );
-#if 0
- hb_log( "muxmp4: optimizing file" );
- snprintf( filename, 1024, "%s.tmp", job->file );
- MP4Optimize( job->file, filename, MP4_DETAILS_ERROR );
- remove( job->file );
- rename( filename, job->file );
-#endif
+ if ( job->mp4_optimize )
+ {
+ hb_log( "muxmp4: optimizing file" );
+ char filename[1024]; memset( filename, 0, 1024 );
+ snprintf( filename, 1024, "%s.tmp", job->file );
+ MP4Optimize( job->file, filename, MP4_DETAILS_ERROR );
+ remove( job->file );
+ rename( filename, job->file );
+ }
return 0;
}
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