+ 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,