/* $Id: $
This file is part of the HandBrake source code.
Homepage: .
It may be used under the terms of the GNU General Public License. */
/* libmkv header */
#include "libmkv.h"
#include
#include "hb.h"
/* Scale factor to apply to timecodes to convert from HandBrake's
* 1/90000s to nanoseconds as expected by libmkv */
#define TIMECODE_SCALE 1000000000 / 90000
struct hb_mux_object_s
{
HB_MUX_COMMON;
hb_job_t * job;
mk_Writer * file;
};
struct hb_mux_data_s
{
mk_Track * track;
uint64_t prev_chapter_tc;
uint16_t current_chapter;
int codec;
};
/**********************************************************************
* 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_title_t * title = job->title;
hb_audio_t * audio;
hb_mux_data_t * mux_data;
uint8_t *avcC = NULL;
uint8_t default_track_flag = 1;
int avcC_len, i;
ogg_packet *ogg_headers[3];
mk_TrackConfig *track;
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;
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:
track->codecID = MK_VCODEC_MP4AVC;
/* Taken from x264 muxers.c */
avcC_len = 5 + 1 + 2 + job->config.h264.sps_length + 1 + 2 + job->config.h264.pps_length;
avcC = malloc(avcC_len);
if (avcC == NULL)
return -1;
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 );
track->codecPrivate = avcC;
track->codecPrivateSize = avcC_len;
if (job->areBframes)
track->minCache = 1;
break;
case HB_VCODEC_XVID:
case HB_VCODEC_FFMPEG:
track->codecID = MK_VCODEC_MP4ASP;
track->codecPrivate = job->config.mpeg4.bytes;
track->codecPrivateSize = job->config.mpeg4.length;
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);
return 0;
}
track->extra.video.pixelWidth = job->width;
track->extra.video.pixelHeight = job->height;
track->extra.video.displayHeight = job->height;
if(job->pixel_ratio)
{
track->extra.video.displayWidth = job->width * ((double)job->pixel_aspect_width / (double)job->pixel_aspect_height);
}
else
{
track->extra.video.displayWidth = job->width;
}
track->defaultDuration = (int64_t)(((float)job->vrate_base / (float)job->vrate) * 1000000000);
mux_data->track = mk_createTrack(m->file, track);
memset(track, 0, sizeof(mk_TrackConfig));
/* add the audio tracks */
for( i = 0; i < hb_list_count( title->list_audio ); i++ )
{
audio = hb_list_item( title->list_audio, i );
mux_data = malloc( sizeof( hb_mux_data_t ) );
audio->priv.mux_data = mux_data;
mux_data->codec = audio->config.out.codec;
switch (audio->config.out.codec)
{
case HB_ACODEC_AC3:
track->codecPrivate = NULL;
track->codecPrivateSize = 0;
track->codecID = MK_ACODEC_AC3;
break;
case HB_ACODEC_LAME:
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_FAAC:
track->codecPrivate = audio->priv.config.aac.bytes;
track->codecPrivateSize = audio->priv.config.aac.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;
}
track->flagEnabled = 1;
track->trackType = MK_TRACK_AUDIO;
track->language = audio->config.lang.iso639_2;
track->extra.audio.samplingFreq = (float)audio->config.out.samplerate;
track->extra.audio.channels = (audio->config.out.codec == HB_ACODEC_AC3 ) ? HB_INPUT_CH_LAYOUT_GET_DISCRETE_COUNT(audio->config.in.channel_layout) : HB_AMIXDOWN_GET_DISCRETE_CHANNEL_COUNT(audio->config.out.mixdown);
// track->defaultDuration = job->arate * 1000;
mux_data->track = mk_createTrack(m->file, track);
if (audio->config.out.codec == HB_ACODEC_VORBIS && track->codecPrivate != NULL)
free(track->codecPrivate);
}
if( mk_writeHeader( m->file, "HandBrake " HB_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 )
{
ogg_packet *op = NULL;
hb_job_t * job = m->job;
hb_title_t * title = job->title;
uint64_t timecode = 0;
hb_chapter_t *chapter_data;
char tmp_buffer[1024];
char *string = tmp_buffer;
if (mux_data == job->mux_data)
{
/* Video */
if ((job->vcodec == HB_VCODEC_X264) && (job->areBframes))
{
timecode = (buf->start + (buf->renderOffset)) * TIMECODE_SCALE;
}
else
{
timecode = buf->start * TIMECODE_SCALE;
}
if (job->chapter_markers && (buf->new_chap || timecode == 0))
{
/* Make sure we're not writing a chapter that has 0 length */
if (mux_data->prev_chapter_tc != timecode)
{
chapter_data = hb_list_item( title->list_chapter, mux_data->current_chapter++ );
tmp_buffer[0] = '\0';
if( chapter_data != NULL )
{
string = chapter_data->title;
}
if( strlen(string) == 0 || strlen(string) >= 1024 )
{
snprintf( tmp_buffer, 1023, "Chapter %02i", mux_data->current_chapter );
string = tmp_buffer;
}
mk_createChapterSimple(m->file, mux_data->prev_chapter_tc, mux_data->prev_chapter_tc, string);
}
mux_data->prev_chapter_tc = timecode;
}
if (job->vcodec == HB_VCODEC_THEORA)
{
/* ughhh, theora is a pain :( */
op = (ogg_packet *)buf->data;
op->packet = buf->data + sizeof( ogg_packet );
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, op->packet, op->bytes);
mk_setFrameFlags(m->file, mux_data->track, timecode, 1);
return 0;
}
}
else
{
/* Audio */
timecode = buf->start * TIMECODE_SCALE;
if (mux_data->codec == HB_ACODEC_VORBIS)
{
/* ughhh, vorbis is a pain :( */
op = (ogg_packet *)buf->data;
op->packet = buf->data + sizeof( ogg_packet );
if (mk_startFrame(m->file, mux_data->track))
{
hb_error( "Failed to write frame to output file, Disk Full?" );
*job->die = 1;
}
mk_addFrameData(m->file, mux_data->track, op->packet, op->bytes);
mk_setFrameFlags(m->file, mux_data->track, timecode, 1);
return 0;
}
}
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,
((job->vcodec == HB_VCODEC_X264 && mux_data == job->mux_data) ? (buf->frametype == HB_FRAME_IDR) : ((buf->frametype & HB_FRAME_KEY) != 0)) );
return 0;
}
static int MKVEnd( hb_mux_object_t * m )
{
hb_job_t *job = m->job;
hb_mux_data_t *mux_data = job->mux_data;
hb_title_t *title = job->title;
hb_chapter_t *chapter_data;
char tmp_buffer[1024];
char *string = tmp_buffer;
if( !job->mux_data )
{
/*
* We must have failed to create the file in the first place.
*/
return 0;
}
chapter_data = hb_list_item( title->list_chapter, mux_data->current_chapter++ );
if(job->chapter_markers)
{
tmp_buffer[0] = '\0';
if( chapter_data != NULL )
{
string = chapter_data->title;
}
if( strlen(string) == 0 || strlen(string) >= 1024 )
{
snprintf( tmp_buffer, 1023, "Chapter %02i", mux_data->current_chapter );
string = tmp_buffer;
}
mk_createChapterSimple(m->file, mux_data->prev_chapter_tc, mux_data->prev_chapter_tc, string);
}
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;
}