/* muxmkv.c
Copyright (c) 2003-2013 HandBrake Team
This file is part of the HandBrake source code
Homepage: .
It may be used under the terms of the GNU General Public License v2.
For full terms see the file COPYING file or visit http://www.gnu.org/licenses/gpl-2.0.html
*/
/* libmkv header */
#if defined(USE_LIBMKV)
#include "libmkv.h"
#include
#include "hb.h"
#include "lang.h"
/* Scale factor to apply to timecodes to convert from HandBrake's
* 1/90000s to nanoseconds as expected by libmkv */
#define NANOSECOND_SCALE 1000000000L
#define TIMECODE_SCALE 1000000000L / 90000
struct hb_mux_object_s
{
HB_MUX_COMMON;
hb_job_t * job;
mk_Writer * file;
int delay;
};
struct hb_mux_data_s
{
mk_Track * track;
uint64_t prev_chapter_tc;
uint16_t current_chapter;
int codec;
int subtitle;
int sub_format;
};
static uint8_t * create_flac_header( uint8_t *data, int size )
{
uint8_t * out;
uint8_t header[8] = {
0x66, 0x4C, 0x61, 0x43, 0x80, 0x00, 0x00, 0x22
};
out = malloc( size + 8 );
memcpy( out, header, 8 );
memcpy( out + 8, data, size );
return out;
}
static uint8_t* create_h264_header(hb_job_t *job, int *size)
{
/* Taken from x264's muxers.c */
int avcC_len = (5 +
1 + 2 + job->config.h264.sps_length +
1 + 2 + job->config.h264.pps_length);
#define MAX_AVCC_LEN 5 + 1 + 2 + 1024 + 1 + 2 + 1024 // FIXME
if (avcC_len > MAX_AVCC_LEN)
{
hb_log("create_h264_header: H.264 header too long (%d, max: %d)",
avcC_len, MAX_AVCC_LEN);
return NULL;
}
uint8_t *avcC = malloc(avcC_len);
if (avcC == NULL)
{
return NULL;
}
avcC[0] = 1;
avcC[1] = job->config.h264.sps[1]; /* AVCProfileIndication */
avcC[2] = job->config.h264.sps[2]; /* profile_compat */
avcC[3] = job->config.h264.sps[3]; /* AVCLevelIndication */
avcC[4] = 0xff; // nalu size length is four bytes
avcC[5] = 0xe1; // one sps
avcC[6] = job->config.h264.sps_length >> 8;
avcC[7] = job->config.h264.sps_length;
memcpy(avcC + 8, job->config.h264.sps, job->config.h264.sps_length);
avcC[8 + job->config.h264.sps_length] = 1; // one pps
avcC[9 + job->config.h264.sps_length] = job->config.h264.pps_length >> 8;
avcC[10 + job->config.h264.sps_length] = job->config.h264.pps_length;
memcpy(avcC + 11 + job->config.h264.sps_length,
job->config.h264.pps, job->config.h264.pps_length);
if (size != NULL)
{
*size = avcC_len;
}
return avcC;
}
/**********************************************************************
* MKVInit
**********************************************************************
* Allocates hb_mux_data_t structures, create file and write headers
*********************************************************************/
static int MKVInit( hb_mux_object_t * m )
{
hb_job_t * job = m->job;
hb_audio_t * audio;
hb_mux_data_t * mux_data;
uint8_t *avcC = NULL;
uint8_t default_track_flag = 1;
uint8_t need_fonts = 0;
int avcC_len, i, j;
ogg_packet *ogg_headers[3];
mk_TrackConfig *track;
iso639_lang_t *lang;
track = calloc(1, sizeof(mk_TrackConfig));
m->file = mk_createWriter(job->file, 1000000, 1);
if( !m->file )
{
hb_error( "Could not create output file, Disk Full?" );
job->mux_data = NULL;
*job->die = 1;
free(track);
return 0;
}
/* Video track */
mux_data = calloc(1, sizeof( hb_mux_data_t ) );
job->mux_data = mux_data;
track->trackType = MK_TRACK_VIDEO;
track->flagDefault = 1;
track->flagEnabled = 1;
switch (job->vcodec)
{
case HB_VCODEC_X264:
case HB_VCODEC_QSV_H264:
avcC = create_h264_header(job, &avcC_len);
if (avcC == NULL)
{
free(track);
return -1;
}
track->codecID = MK_VCODEC_MP4AVC;
track->codecPrivate = avcC;
track->codecPrivateSize = avcC_len;
if (job->areBframes)
track->minCache = 1;
break;
case HB_VCODEC_FFMPEG_MPEG4:
track->codecID = MK_VCODEC_MP4ASP;
track->codecPrivate = job->config.mpeg4.bytes;
track->codecPrivateSize = job->config.mpeg4.length;
if (job->areBframes)
track->minCache = 1;
break;
case HB_VCODEC_FFMPEG_MPEG2:
track->codecID = MK_VCODEC_MPEG2;
track->codecPrivate = job->config.mpeg4.bytes;
track->codecPrivateSize = job->config.mpeg4.length;
if (job->areBframes)
track->minCache = 1;
break;
case HB_VCODEC_THEORA:
{
int i;
uint64_t cp_size = 0;
track->codecID = MK_VCODEC_THEORA;
uint64_t header_sizes[3];
for (i = 0; i < 3; ++i)
{
ogg_headers[i] = (ogg_packet *)job->config.theora.headers[i];
ogg_headers[i]->packet = (unsigned char *)&job->config.theora.headers[i] + sizeof( ogg_packet );
header_sizes[i] = ogg_headers[i]->bytes;
}
track->codecPrivate = mk_laceXiph(header_sizes, 2, &cp_size);
track->codecPrivate = realloc(track->codecPrivate, cp_size + ogg_headers[0]->bytes + ogg_headers[1]->bytes + ogg_headers[2]->bytes);
for(i = 0; i < 3; ++i)
{
memcpy(track->codecPrivate + cp_size, ogg_headers[i]->packet, ogg_headers[i]->bytes);
cp_size += ogg_headers[i]->bytes;
}
track->codecPrivateSize = cp_size;
}
break;
default:
*job->die = 1;
hb_error("muxmkv: Unknown video codec: %x", job->vcodec);
free(track);
return 0;
}
track->extra.video.pixelWidth = job->width;
track->extra.video.pixelHeight = job->height;
track->extra.video.displayHeight = job->height;
if( job->anamorphic.mode )
{
track->extra.video.displayWidth = job->width * ((double)job->anamorphic.par_width / (double)job->anamorphic.par_height);
}
else
{
track->extra.video.displayWidth = job->width;
}
int vrate_base, vrate;
if( job->pass == 2 )
{
hb_interjob_t * interjob = hb_interjob_get( job->h );
vrate_base = interjob->vrate_base;
vrate = interjob->vrate;
}
else
{
vrate_base = job->vrate_base;
vrate = job->vrate;
}
track->defaultDuration = (int64_t)(((float)vrate_base / (float)vrate) * 1000000000);
mux_data->track = mk_createTrack(m->file, track);
/* add the audio tracks */
for( i = 0; i < hb_list_count( job->list_audio ); i++ )
{
audio = hb_list_item( job->list_audio, i );
mux_data = calloc(1, sizeof( hb_mux_data_t ) );
audio->priv.mux_data = mux_data;
if (audio->config.out.delay > m->delay)
m->delay = audio->config.out.delay;
mux_data->codec = audio->config.out.codec;
memset(track, 0, sizeof(mk_TrackConfig));
switch (audio->config.out.codec & HB_ACODEC_MASK)
{
case HB_ACODEC_DCA:
case HB_ACODEC_DCA_HD:
track->codecPrivate = NULL;
track->codecPrivateSize = 0;
track->codecID = MK_ACODEC_DTS;
break;
case HB_ACODEC_AC3:
track->codecPrivate = NULL;
track->codecPrivateSize = 0;
track->codecID = MK_ACODEC_AC3;
break;
case HB_ACODEC_LAME:
case HB_ACODEC_MP3:
track->codecPrivate = NULL;
track->codecPrivateSize = 0;
track->codecID = MK_ACODEC_MP3;
break;
case HB_ACODEC_VORBIS:
{
int i;
uint64_t cp_size = 0;
track->codecID = MK_ACODEC_VORBIS;
uint64_t header_sizes[3];
for (i = 0; i < 3; ++i)
{
ogg_headers[i] = (ogg_packet *)audio->priv.config.vorbis.headers[i];
ogg_headers[i]->packet = (unsigned char *)&audio->priv.config.vorbis.headers[i] + sizeof( ogg_packet );
header_sizes[i] = ogg_headers[i]->bytes;
}
track->codecPrivate = mk_laceXiph(header_sizes, 2, &cp_size);
track->codecPrivate = realloc(track->codecPrivate, cp_size + ogg_headers[0]->bytes + ogg_headers[1]->bytes + ogg_headers[2]->bytes);
for(i = 0; i < 3; ++i)
{
memcpy(track->codecPrivate + cp_size, ogg_headers[i]->packet, ogg_headers[i]->bytes);
cp_size += ogg_headers[i]->bytes;
}
track->codecPrivateSize = cp_size;
}
break;
case HB_ACODEC_FFFLAC:
case HB_ACODEC_FFFLAC24:
if (audio->priv.config.extradata.bytes)
{
track->codecPrivate = create_flac_header(audio->priv.config.extradata.bytes,
audio->priv.config.extradata.length);
track->codecPrivateSize = audio->priv.config.extradata.length + 8;
}
track->codecID = MK_ACODEC_FLAC;
break;
case HB_ACODEC_FAAC:
case HB_ACODEC_FFAAC:
case HB_ACODEC_CA_AAC:
case HB_ACODEC_CA_HAAC:
case HB_ACODEC_FDK_AAC:
case HB_ACODEC_FDK_HAAC:
track->codecPrivate = audio->priv.config.extradata.bytes;
track->codecPrivateSize = audio->priv.config.extradata.length;
track->codecID = MK_ACODEC_AAC;
break;
default:
*job->die = 1;
hb_error("muxmkv: Unknown audio codec: %x", audio->config.out.codec);
return 0;
}
if( default_track_flag )
{
track->flagDefault = 1;
default_track_flag = 0;
}
else
{
track->flagDefault = 0;
}
track->flagEnabled = 1;
track->trackType = MK_TRACK_AUDIO;
// MKV lang codes should be ISO-639-2/B
lang = lang_for_code2( audio->config.lang.iso639_2 );
track->language = lang->iso639_2b ? lang->iso639_2b : lang->iso639_2;
// sample rate
if ((audio->config.out.codec == HB_ACODEC_CA_HAAC) ||
(audio->config.out.codec == HB_ACODEC_FDK_HAAC) ||
(audio->config.out.codec == HB_ACODEC_AAC_PASS &&
audio->config.in.samples_per_frame > 1024))
{
// For HE-AAC, write outputSamplingFreq too
// samplingFreq is half of outputSamplingFreq
track->extra.audio.outputSamplingFreq = (float)audio->config.out.samplerate;
track->extra.audio.samplingFreq = track->extra.audio.outputSamplingFreq / 2.;
}
else
{
track->extra.audio.samplingFreq = (float)audio->config.out.samplerate;
}
if (audio->config.out.codec & HB_ACODEC_PASS_FLAG)
{
track->extra.audio.channels = av_get_channel_layout_nb_channels(audio->config.in.channel_layout);
}
else
{
track->extra.audio.channels = hb_mixdown_get_discrete_channel_count(audio->config.out.mixdown);
}
mux_data->track = mk_createTrack(m->file, track);
if (audio->config.out.codec == HB_ACODEC_VORBIS ||
audio->config.out.codec == HB_ACODEC_FFFLAC ||
audio->config.out.codec == HB_ACODEC_FFFLAC24)
free(track->codecPrivate);
}
char * subidx_fmt =
"size: %dx%d\n"
"org: %d, %d\n"
"scale: 100%%, 100%%\n"
"alpha: 100%%\n"
"smooth: OFF\n"
"fadein/out: 50, 50\n"
"align: OFF at LEFT TOP\n"
"time offset: 0\n"
"forced subs: %s\n"
"palette: %06x, %06x, %06x, %06x, %06x, %06x, "
"%06x, %06x, %06x, %06x, %06x, %06x, %06x, %06x, %06x, %06x\n"
"custom colors: OFF, tridx: 0000, "
"colors: 000000, 000000, 000000, 000000\n";
for( i = 0; i < hb_list_count( job->list_subtitle ); i++ )
{
hb_subtitle_t * subtitle;
uint32_t rgb[16];
char subidx[2048];
int len;
subtitle = hb_list_item( job->list_subtitle, i );
if (subtitle->config.dest != PASSTHRUSUB)
continue;
memset(track, 0, sizeof(mk_TrackConfig));
switch (subtitle->source)
{
case VOBSUB:
track->codecID = MK_SUBTITLE_VOBSUB;
for (j = 0; j < 16; j++)
rgb[j] = hb_yuv2rgb(subtitle->palette[j]);
len = snprintf(subidx, 2048, subidx_fmt,
subtitle->width, subtitle->height,
0, 0, "OFF",
rgb[0], rgb[1], rgb[2], rgb[3],
rgb[4], rgb[5], rgb[6], rgb[7],
rgb[8], rgb[9], rgb[10], rgb[11],
rgb[12], rgb[13], rgb[14], rgb[15]);
track->codecPrivate = subidx;
track->codecPrivateSize = len + 1;
break;
case PGSSUB:
track->codecPrivate = NULL;
track->codecPrivateSize = 0;
track->codecID = MK_SUBTITLE_PGS;
break;
case SSASUB:
track->codecID = MK_SUBTITLE_SSA;
need_fonts = 1;
track->codecPrivate = subtitle->extradata;
track->codecPrivateSize = subtitle->extradata_size;
break;
case CC608SUB:
case CC708SUB:
case UTF8SUB:
case TX3GSUB:
case SRTSUB:
track->codecPrivate = NULL;
track->codecPrivateSize = 0;
track->codecID = MK_SUBTITLE_UTF8;
break;
default:
continue;
}
if ( subtitle->config.default_track )
{
track->flagDefault = 1;
}
mux_data = calloc(1, sizeof( hb_mux_data_t ) );
subtitle->mux_data = mux_data;
mux_data->subtitle = 1;
mux_data->sub_format = subtitle->format;
track->flagEnabled = 1;
track->trackType = MK_TRACK_SUBTITLE;
// MKV lang codes should be ISO-639-2/B
lang = lang_for_code2( subtitle->iso639_2 );
track->language = lang->iso639_2b ? lang->iso639_2b : lang->iso639_2;
mux_data->track = mk_createTrack(m->file, track);
}
if (need_fonts)
{
hb_list_t * list_attachment = job->list_attachment;
int i;
for ( i = 0; i < hb_list_count(list_attachment); i++ )
{
hb_attachment_t * attachment = hb_list_item( list_attachment, i );
if ( attachment->type == FONT_TTF_ATTACH )
{
mk_createAttachment(
m->file,
attachment->name,
NULL,
"application/x-truetype-font",
attachment->data,
attachment->size);
}
}
}
if( mk_writeHeader( m->file, "HandBrake " HB_PROJECT_VERSION) < 0 )
{
hb_error( "Failed to write to output file, disk full?");
*job->die = 1;
}
if (track != NULL)
free(track);
if (avcC != NULL)
free(avcC);
return 0;
}
static int MKVMux(hb_mux_object_t *m, hb_mux_data_t *mux_data, hb_buffer_t *buf)
{
char chapter_name[1024];
hb_chapter_t *chapter_data;
uint64_t timecode = 0;
hb_job_t *job = m->job;
// Adjust for audio preroll and scale units
timecode = (buf->s.start + m->delay) * TIMECODE_SCALE;
if (mux_data == job->mux_data)
{
/* Video */
if (job->chapter_markers && buf->s.new_chap)
{
// reached chapter N, write marker for chapter N-1
mux_data->current_chapter = buf->s.new_chap - 1;
// chapter numbers start at 1, but the list starts at 0
chapter_data = hb_list_item(job->list_chapter,
mux_data->current_chapter - 1);
// make sure we're not writing a chapter that has 0 length
if (chapter_data != NULL && mux_data->prev_chapter_tc < timecode)
{
if (chapter_data->title != NULL)
{
snprintf(chapter_name, 1023, "%s", chapter_data->title);
}
else
{
snprintf(chapter_name, 1023, "Chapter %d",
mux_data->current_chapter);
}
mk_createChapterSimple(m->file,
mux_data->prev_chapter_tc,
mux_data->prev_chapter_tc, chapter_name);
}
mux_data->prev_chapter_tc = timecode;
}
}
else if (mux_data->subtitle)
{
if( mk_startFrame(m->file, mux_data->track) < 0)
{
hb_error("Failed to write frame to output file, Disk Full?");
*job->die = 1;
}
uint64_t duration;
if (buf->s.duration < 0)
{
duration = 10 * NANOSECOND_SCALE;
}
else
{
duration = buf->s.duration * TIMECODE_SCALE;
}
mk_addFrameData(m->file, mux_data->track, buf->data, buf->size);
mk_setFrameFlags(m->file, mux_data->track, timecode, 1, duration);
mk_flushFrame(m->file, mux_data->track);
hb_buffer_close(&buf);
return 0;
}
else
{
/* Audio */
}
if( mk_startFrame(m->file, mux_data->track) < 0)
{
hb_error( "Failed to write frame to output file, Disk Full?" );
*job->die = 1;
}
mk_addFrameData(m->file, mux_data->track, buf->data, buf->size);
mk_setFrameFlags(m->file, mux_data->track, timecode,
((mux_data == job->mux_data &&
((job->vcodec & HB_VCODEC_H264_MASK) ||
(job->vcodec & HB_VCODEC_FFMPEG_MASK))) ?
(buf->s.frametype == HB_FRAME_IDR) :
(buf->s.frametype & HB_FRAME_KEY) != 0), 0);
hb_buffer_close(&buf);
return 0;
}
static int MKVEnd(hb_mux_object_t *m)
{
char chapter_name[1024];
hb_chapter_t *chapter_data;
hb_job_t *job = m->job;
hb_mux_data_t *mux_data = job->mux_data;
if( !job->mux_data )
{
/*
* We must have failed to create the file in the first place.
*/
return 0;
}
if (job->chapter_markers)
{
// get the last chapter
chapter_data = hb_list_item(job->list_chapter,
mux_data->current_chapter++);
// only write the last chapter marker if it lasts at least 1.5 second
if (chapter_data != NULL && chapter_data->duration > 135000LL)
{
if (chapter_data->title != NULL)
{
snprintf(chapter_name, 1023, "%s", chapter_data->title);
}
else
{
snprintf(chapter_name, 1023, "Chapter %d",
mux_data->current_chapter);
}
mk_createChapterSimple(m->file,
mux_data->prev_chapter_tc,
mux_data->prev_chapter_tc, chapter_name);
}
}
if( job->metadata )
{
hb_metadata_t *md = job->metadata;
hb_deep_log( 2, "Writing Metadata to output file...");
if ( md->name )
{
mk_createTagSimple( m->file, MK_TAG_TITLE, md->name );
}
if ( md->artist )
{
mk_createTagSimple( m->file, "ARTIST", md->artist );
}
if ( md->album_artist )
{
mk_createTagSimple( m->file, "DIRECTOR", md->album_artist );
}
if ( md->composer )
{
mk_createTagSimple( m->file, "COMPOSER", md->composer );
}
if ( md->release_date )
{
mk_createTagSimple( m->file, "DATE_RELEASED", md->release_date );
}
if ( md->comment )
{
mk_createTagSimple( m->file, "SUMMARY", md->comment );
}
if ( !md->name && md->album )
{
mk_createTagSimple( m->file, MK_TAG_TITLE, md->album );
}
if ( md->genre )
{
mk_createTagSimple( m->file, MK_TAG_GENRE, md->genre );
}
if ( md->description )
{
mk_createTagSimple( m->file, "DESCRIPTION", md->description );
}
if ( md->long_description )
{
mk_createTagSimple( m->file, "SYNOPSIS", md->long_description );
}
}
// Update and track private data that can change during
// encode.
int i;
for( i = 0; i < hb_list_count( job->list_audio ); i++ )
{
mk_Track * track;
hb_audio_t * audio;
audio = hb_list_item( job->list_audio, i );
track = audio->priv.mux_data->track;
switch (audio->config.out.codec & HB_ACODEC_MASK)
{
case HB_ACODEC_FFFLAC:
case HB_ACODEC_FFFLAC24:
if( audio->priv.config.extradata.bytes )
{
uint8_t *header;
header = create_flac_header(
audio->priv.config.extradata.bytes,
audio->priv.config.extradata.length );
mk_updateTrackPrivateData( m->file, track,
header,
audio->priv.config.extradata.length + 8 );
free( header );
}
break;
default:
break;
}
}
if( mk_close(m->file) < 0 )
{
hb_error( "Failed to flush the last frame and close the output file, Disk Full?" );
*job->die = 1;
}
// TODO: Free what we alloc'd
return 0;
}
hb_mux_object_t * hb_mux_mkv_init( hb_job_t * job )
{
hb_mux_object_t * m = calloc( sizeof( hb_mux_object_t ), 1 );
m->init = MKVInit;
m->mux = MKVMux;
m->end = MKVEnd;
m->job = job;
return m;
}
#endif // USE_LIBMKV