Example #1
0
/**********************************************************************
 * avformatInit
 **********************************************************************
 * Allocates hb_mux_data_t structures, create file and write headers
 *********************************************************************/
static int avformatInit( hb_mux_object_t * m )
{
    hb_job_t   * job   = m->job;
    hb_audio_t    * audio;
    hb_mux_data_t * track;
    int meta_mux;
    int max_tracks;
    int ii, jj, ret;

    int clock_min, clock_max, clock;
    hb_video_framerate_get_limits(&clock_min, &clock_max, &clock);

    const char *muxer_name = NULL;

    uint8_t         default_track_flag = 1;
    uint8_t         need_fonts = 0;
    char *lang;


    max_tracks = 1 + hb_list_count( job->list_audio ) +
                     hb_list_count( job->list_subtitle );

    m->tracks = calloc(max_tracks, sizeof(hb_mux_data_t*));

    m->oc = avformat_alloc_context();
    if (m->oc == NULL)
    {
        hb_error( "Could not initialize avformat context." );
        goto error;
    }

    AVDictionary * av_opts = NULL;
    switch (job->mux)
    {
        case HB_MUX_AV_MP4:
            m->time_base.num = 1;
            m->time_base.den = 90000;
            if( job->ipod_atom )
                muxer_name = "ipod";
            else
                muxer_name = "mp4";
            meta_mux = META_MUX_MP4;

            av_dict_set(&av_opts, "brand", "mp42", 0);
            if (job->mp4_optimize)
                av_dict_set(&av_opts, "movflags", "faststart+disable_chpl", 0);
            else
                av_dict_set(&av_opts, "movflags", "+disable_chpl", 0);
            break;

        case HB_MUX_AV_MKV:
            // libavformat is essentially hard coded such that it only
            // works with a timebase of 1/1000
            m->time_base.num = 1;
            m->time_base.den = 1000;
            muxer_name = "matroska";
            meta_mux = META_MUX_MKV;
            break;

        default:
        {
            hb_error("Invalid Mux %x", job->mux);
            goto error;
        }
    }
    m->oc->oformat = av_guess_format(muxer_name, NULL, NULL);
    if(m->oc->oformat == NULL)
    {
        hb_error("Could not guess output format %s", muxer_name);
        goto error;
    }
    av_strlcpy(m->oc->filename, job->file, sizeof(m->oc->filename));
    ret = avio_open2(&m->oc->pb, job->file, AVIO_FLAG_WRITE,
                     &m->oc->interrupt_callback, NULL);
    if( ret < 0 )
    {
        hb_error( "avio_open2 failed, errno %d", ret);
        goto error;
    }

    /* Video track */
    track = m->tracks[m->ntracks++] = calloc(1, sizeof( hb_mux_data_t ) );
    job->mux_data = track;

    track->type = MUX_TYPE_VIDEO;
    track->prev_chapter_tc = AV_NOPTS_VALUE;
    track->st = avformat_new_stream(m->oc, NULL);
    if (track->st == NULL)
    {
        hb_error("Could not initialize video stream");
        goto error;
    }
    track->st->time_base = m->time_base;
    avcodec_get_context_defaults3(track->st->codec, NULL);

    track->st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
    track->st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;

    uint8_t *priv_data = NULL;
    int priv_size = 0;
    switch (job->vcodec)
    {
        case HB_VCODEC_X264_8BIT:
        case HB_VCODEC_X264_10BIT:
        case HB_VCODEC_QSV_H264:
            track->st->codec->codec_id = AV_CODEC_ID_H264;

            /* Taken from x264 muxers.c */
            priv_size = 5 + 1 + 2 + job->config.h264.sps_length + 1 + 2 +
                        job->config.h264.pps_length;
            priv_data = av_malloc(priv_size + FF_INPUT_BUFFER_PADDING_SIZE);
            if (priv_data == NULL)
            {
                hb_error("H.264 extradata: malloc failure");
                goto error;
            }

            priv_data[0] = 1;
            priv_data[1] = job->config.h264.sps[1]; /* AVCProfileIndication */
            priv_data[2] = job->config.h264.sps[2]; /* profile_compat */
            priv_data[3] = job->config.h264.sps[3]; /* AVCLevelIndication */
            priv_data[4] = 0xff; // nalu size length is four bytes
            priv_data[5] = 0xe1; // one sps

            priv_data[6] = job->config.h264.sps_length >> 8;
            priv_data[7] = job->config.h264.sps_length;

            memcpy(priv_data+8, job->config.h264.sps,
                   job->config.h264.sps_length);

            priv_data[8+job->config.h264.sps_length] = 1; // one pps
            priv_data[9+job->config.h264.sps_length] =
                                        job->config.h264.pps_length >> 8;
            priv_data[10+job->config.h264.sps_length] =
                                        job->config.h264.pps_length;

            memcpy(priv_data+11+job->config.h264.sps_length,
                   job->config.h264.pps, job->config.h264.pps_length );
            break;

        case HB_VCODEC_FFMPEG_MPEG4:
            track->st->codec->codec_id = AV_CODEC_ID_MPEG4;

            if (job->config.mpeg4.length != 0)
            {
                priv_size = job->config.mpeg4.length;
                priv_data = av_malloc(priv_size + FF_INPUT_BUFFER_PADDING_SIZE);
                if (priv_data == NULL)
                {
                    hb_error("MPEG4 extradata: malloc failure");
                    goto error;
                }
                memcpy(priv_data, job->config.mpeg4.bytes, priv_size);
            }
            break;

        case HB_VCODEC_FFMPEG_MPEG2:
            track->st->codec->codec_id = AV_CODEC_ID_MPEG2VIDEO;

            if (job->config.mpeg4.length != 0)
            {
                priv_size = job->config.mpeg4.length;
                priv_data = av_malloc(priv_size + FF_INPUT_BUFFER_PADDING_SIZE);
                if (priv_data == NULL)
                {
                    hb_error("MPEG2 extradata: malloc failure");
                    goto error;
                }
                memcpy(priv_data, job->config.mpeg4.bytes, priv_size);
            }
            break;

        case HB_VCODEC_FFMPEG_VP8:
            track->st->codec->codec_id = AV_CODEC_ID_VP8;
            priv_data                  = NULL;
            priv_size                  = 0;
            break;

        case HB_VCODEC_FFMPEG_VP9:
            track->st->codec->codec_id = AV_CODEC_ID_VP9;
            priv_data                  = NULL;
            priv_size                  = 0;
            break;

        case HB_VCODEC_THEORA:
        {
            track->st->codec->codec_id = AV_CODEC_ID_THEORA;

            int size = 0;
            ogg_packet *ogg_headers[3];

            for (ii = 0; ii < 3; ii++)
            {
                ogg_headers[ii] = (ogg_packet *)job->config.theora.headers[ii];
                size += ogg_headers[ii]->bytes + 2;
            }

            priv_size = size;
            priv_data = av_malloc(priv_size + FF_INPUT_BUFFER_PADDING_SIZE);
            if (priv_data == NULL)
            {
                hb_error("Theora extradata: malloc failure");
                goto error;
            }

            size = 0;
            for(ii = 0; ii < 3; ii++)
            {
                AV_WB16(priv_data + size, ogg_headers[ii]->bytes);
                size += 2;
                memcpy(priv_data+size, ogg_headers[ii]->packet,
                                       ogg_headers[ii]->bytes);
                size += ogg_headers[ii]->bytes;
            }
        } break;

        case HB_VCODEC_X265_8BIT:
        case HB_VCODEC_X265_10BIT:
        case HB_VCODEC_X265_12BIT:
        case HB_VCODEC_X265_16BIT:
        case HB_VCODEC_QSV_H265:
            track->st->codec->codec_id = AV_CODEC_ID_HEVC;

            if (job->config.h265.headers_length > 0)
            {
                priv_size = job->config.h265.headers_length;
                priv_data = av_malloc(priv_size + FF_INPUT_BUFFER_PADDING_SIZE);
                if (priv_data == NULL)
                {
                    hb_error("H.265 extradata: malloc failure");
                    goto error;
                }
                memcpy(priv_data, job->config.h265.headers, priv_size);
            }
            break;

        default:
            hb_error("muxavformat: Unknown video codec: %x", job->vcodec);
            goto error;
    }
    track->st->codec->extradata = priv_data;
    track->st->codec->extradata_size = priv_size;

    track->st->sample_aspect_ratio.num        = job->par.num;
    track->st->sample_aspect_ratio.den        = job->par.den;
    track->st->codec->sample_aspect_ratio.num = job->par.num;
    track->st->codec->sample_aspect_ratio.den = job->par.den;
    track->st->codec->width                   = job->width;
    track->st->codec->height                  = job->height;
    track->st->disposition |= AV_DISPOSITION_DEFAULT;

    hb_rational_t vrate = job->vrate;

    // If the vrate is the internal clock rate, there's a good chance
    // this is a standard rate that we have in our hb_video_rates table.
    // Because of rounding errors and approximations made while
    // measuring framerate, the actual value may not be exact.  So
    // we look for rates that are "close" and make an adjustment
    // to fps.den.
    if (vrate.num == clock)
    {
        const hb_rate_t *video_framerate = NULL;
        while ((video_framerate = hb_video_framerate_get_next(video_framerate)) != NULL)
        {
            if (abs(vrate.den - video_framerate->rate) < 10)
            {
                vrate.den = video_framerate->rate;
                break;
            }
        }
    }
    hb_reduce(&vrate.num, &vrate.den, vrate.num, vrate.den);
    if (job->mux == HB_MUX_AV_MP4)
    {
        // libavformat mp4 muxer requires that the codec time_base have the
        // same denominator as the stream time_base, it uses it for the
        // mdhd timescale.
        double scale = (double)track->st->time_base.den / vrate.num;
        track->st->codec->time_base.den = track->st->time_base.den;
        track->st->codec->time_base.num = vrate.den * scale;
    }
    else
    {
        track->st->codec->time_base.num = vrate.den;
        track->st->codec->time_base.den = vrate.num;
    }
    track->st->avg_frame_rate.num = vrate.num;
    track->st->avg_frame_rate.den = vrate.den;

    /* add the audio tracks */
    for(ii = 0; ii < hb_list_count( job->list_audio ); ii++ )
    {
        audio = hb_list_item( job->list_audio, ii );
        track = m->tracks[m->ntracks++] = calloc(1, sizeof( hb_mux_data_t ) );
        audio->priv.mux_data = track;

        track->type = MUX_TYPE_AUDIO;

        track->st = avformat_new_stream(m->oc, NULL);
        if (track->st == NULL)
        {
            hb_error("Could not initialize audio stream");
            goto error;
        }
        avcodec_get_context_defaults3(track->st->codec, NULL);

        track->st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
        track->st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
        if (job->mux == HB_MUX_AV_MP4)
        {
            track->st->codec->time_base.num = audio->config.out.samples_per_frame;
            track->st->codec->time_base.den = audio->config.out.samplerate;
            track->st->time_base.num = 1;
            track->st->time_base.den = audio->config.out.samplerate;
        }
        else
        {
            track->st->codec->time_base = m->time_base;
            track->st->time_base = m->time_base;
        }

        priv_data = NULL;
        priv_size = 0;
        switch (audio->config.out.codec & HB_ACODEC_MASK)
        {
            case HB_ACODEC_DCA:
            case HB_ACODEC_DCA_HD:
                track->st->codec->codec_id = AV_CODEC_ID_DTS;
                break;
            case HB_ACODEC_AC3:
                track->st->codec->codec_id = AV_CODEC_ID_AC3;
                break;
            case HB_ACODEC_FFEAC3:
                track->st->codec->codec_id = AV_CODEC_ID_EAC3;
                break;
            case HB_ACODEC_FFTRUEHD:
                track->st->codec->codec_id = AV_CODEC_ID_TRUEHD;
                break;
            case HB_ACODEC_LAME:
            case HB_ACODEC_MP3:
                track->st->codec->codec_id = AV_CODEC_ID_MP3;
                break;
            case HB_ACODEC_VORBIS:
            {
                track->st->codec->codec_id = AV_CODEC_ID_VORBIS;

                int jj, size = 0;
                ogg_packet *ogg_headers[3];

                for (jj = 0; jj < 3; jj++)
                {
                    ogg_headers[jj] = (ogg_packet *)audio->priv.config.vorbis.headers[jj];
                    size += ogg_headers[jj]->bytes + 2;
                }

                priv_size = size;
                priv_data = av_malloc(priv_size + FF_INPUT_BUFFER_PADDING_SIZE);
                if (priv_data == NULL)
                {
                    hb_error("Vorbis extradata: malloc failure");
                    goto error;
                }

                size = 0;
                for(jj = 0; jj < 3; jj++)
                {
                    AV_WB16(priv_data + size, ogg_headers[jj]->bytes);
                    size += 2;
                    memcpy(priv_data+size, ogg_headers[jj]->packet,
                                           ogg_headers[jj]->bytes);
                    size += ogg_headers[jj]->bytes;
                }
            } break;
            case HB_ACODEC_FFFLAC:
            case HB_ACODEC_FFFLAC24:
                track->st->codec->codec_id = AV_CODEC_ID_FLAC;

                if (audio->priv.config.extradata.length)
                {
                    priv_size = audio->priv.config.extradata.length;
                    priv_data = av_malloc(priv_size + FF_INPUT_BUFFER_PADDING_SIZE);
                    if (priv_data == NULL)
                    {
                        hb_error("FLAC extradata: malloc failure");
                        goto error;
                    }
                    memcpy(priv_data,
                           audio->priv.config.extradata.bytes,
                           audio->priv.config.extradata.length);
                }
                break;
            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->st->codec->codec_id = AV_CODEC_ID_AAC;

                // libav mkv muxer expects there to be extradata for
                // AAC and will crash if it is NULL.
                //
                // Also, libav can over-read the buffer by up to 8 bytes
                // when it fills it's get_bits cache.
                //
                // So allocate extra bytes
                priv_size = audio->priv.config.extradata.length;
                priv_data = av_malloc(priv_size + FF_INPUT_BUFFER_PADDING_SIZE);
                if (priv_data == NULL)
                {
                    hb_error("AAC extradata: malloc failure");
                    goto error;
                }
                memcpy(priv_data,
                       audio->priv.config.extradata.bytes,
                       audio->priv.config.extradata.length);

                // AAC from pass-through source may be ADTS.
                // Therefore inserting "aac_adtstoasc" bitstream filter is
                // preferred.
                // The filter does nothing for non-ADTS bitstream.
                if (audio->config.out.codec == HB_ACODEC_AAC_PASS)
                {
                    track->bitstream_filter = av_bitstream_filter_init("aac_adtstoasc");
                }
                break;
            default:
                hb_error("muxavformat: Unknown audio codec: %x",
                         audio->config.out.codec);
                goto error;
        }
        track->st->codec->extradata = priv_data;
        track->st->codec->extradata_size = priv_size;

        if( default_track_flag )
        {
            track->st->disposition |= AV_DISPOSITION_DEFAULT;
            default_track_flag = 0;
        }

        lang = lookup_lang_code(job->mux, audio->config.lang.iso639_2 );
        if (lang != NULL)
        {
            av_dict_set(&track->st->metadata, "language", lang, 0);
        }
        track->st->codec->sample_rate = audio->config.out.samplerate;
        if (audio->config.out.codec & HB_ACODEC_PASS_FLAG)
        {
            track->st->codec->channels = av_get_channel_layout_nb_channels(audio->config.in.channel_layout);
            track->st->codec->channel_layout = audio->config.in.channel_layout;
        }
        else
        {
            track->st->codec->channels = hb_mixdown_get_discrete_channel_count(audio->config.out.mixdown);
            track->st->codec->channel_layout = hb_ff_mixdown_xlat(audio->config.out.mixdown, NULL);
        }

        char *name;
        if (audio->config.out.name == NULL)
        {
            switch (track->st->codec->channels)
            {
                case 1:
                    name = "Mono";
                    break;

                case 2:
                    name = "Stereo";
                    break;

                default:
                    name = "Surround";
                    break;
            }
        }
        else
        {
            name = audio->config.out.name;
        }
        // Set audio track title
        av_dict_set(&track->st->metadata, "title", name, 0);
        if (job->mux == HB_MUX_AV_MP4)
        {
            // Some software (MPC, mediainfo) use hdlr description
            // for track title
            av_dict_set(&track->st->metadata, "handler", name, 0);
        }
    }

    // Check for audio track associations
    for (ii = 0; ii < hb_list_count(job->list_audio); ii++)
    {
        audio = hb_list_item(job->list_audio, ii);
        switch (audio->config.out.codec & HB_ACODEC_MASK)
        {
            case HB_ACODEC_FFAAC:
            case HB_ACODEC_CA_AAC:
            case HB_ACODEC_CA_HAAC:
            case HB_ACODEC_FDK_AAC:
            case HB_ACODEC_FDK_HAAC:
                break;

            default:
            {
                // Mark associated fallback audio tracks for any non-aac track
                for(jj = 0; jj < hb_list_count( job->list_audio ); jj++ )
                {
                    hb_audio_t    * fallback;
                    int             codec;

                    if (ii == jj) continue;

                    fallback = hb_list_item( job->list_audio, jj );
                    codec = fallback->config.out.codec & HB_ACODEC_MASK;
                    if (fallback->config.in.track == audio->config.in.track &&
                        (codec == HB_ACODEC_FFAAC ||
                         codec == HB_ACODEC_CA_AAC ||
                         codec == HB_ACODEC_CA_HAAC ||
                         codec == HB_ACODEC_FDK_AAC ||
                         codec == HB_ACODEC_FDK_HAAC))
                    {
                        hb_mux_data_t * fallback_track;
                        int           * sd;

                        track = audio->priv.mux_data;
                        fallback_track = fallback->priv.mux_data;
                        sd = (int*)av_stream_new_side_data(track->st,
                                                     AV_PKT_DATA_FALLBACK_TRACK,
                                                     sizeof(int));
                        if (sd != NULL)
                        {
                            *sd = fallback_track->st->index;
                        }
                    }
                }
            } break;
        }
    }

    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";

    int subtitle_default = -1;
    for( ii = 0; ii < hb_list_count( job->list_subtitle ); ii++ )
    {
        hb_subtitle_t *subtitle = hb_list_item( job->list_subtitle, ii );

        if( subtitle->config.dest == PASSTHRUSUB )
        {
            if ( subtitle->config.default_track )
                subtitle_default = ii;
        }
    }
    // Quicktime requires that at least one subtitle is enabled,
    // else it doesn't show any of the subtitles.
    // So check to see if any of the subtitles are flagged to be
    // the defualt.  The default will the the enabled track, else
    // enable the first track.
    if (job->mux == HB_MUX_AV_MP4 && subtitle_default == -1)
    {
        subtitle_default = 0;
    }

    for( ii = 0; ii < hb_list_count( job->list_subtitle ); ii++ )
    {
        hb_subtitle_t * subtitle;
        uint32_t        rgb[16];
        char            subidx[2048];
        int             len;

        subtitle = hb_list_item( job->list_subtitle, ii );
        if (subtitle->config.dest != PASSTHRUSUB)
            continue;

        track = m->tracks[m->ntracks++] = calloc(1, sizeof( hb_mux_data_t ) );
        subtitle->mux_data = track;

        track->type = MUX_TYPE_SUBTITLE;
        track->st = avformat_new_stream(m->oc, NULL);
        if (track->st == NULL)
        {
            hb_error("Could not initialize subtitle stream");
            goto error;
        }
        avcodec_get_context_defaults3(track->st->codec, NULL);

        track->st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
        track->st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
        track->st->time_base = m->time_base;
        track->st->codec->time_base = m->time_base;
        track->st->codec->width = subtitle->width;
        track->st->codec->height = subtitle->height;

        priv_data = NULL;
        priv_size = 0;
        switch (subtitle->source)
        {
            case VOBSUB:
            {
                int jj;
                track->st->codec->codec_id = AV_CODEC_ID_DVD_SUBTITLE;

                for (jj = 0; jj < 16; jj++)
                    rgb[jj] = hb_yuv2rgb(subtitle->palette[jj]);
                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]);

                priv_size = len + 1;
                priv_data = av_malloc(priv_size + FF_INPUT_BUFFER_PADDING_SIZE);
                if (priv_data == NULL)
                {
                    hb_error("VOBSUB extradata: malloc failure");
                    goto error;
                }
                memcpy(priv_data, subidx, priv_size);
            } break;

            case PGSSUB:
            {
                track->st->codec->codec_id = AV_CODEC_ID_HDMV_PGS_SUBTITLE;
            } break;

            case CC608SUB:
            case CC708SUB:
            case TX3GSUB:
            case SRTSUB:
            case UTF8SUB:
            case SSASUB:
            {
                if (job->mux == HB_MUX_AV_MP4)
                {
                    track->st->codec->codec_id = AV_CODEC_ID_MOV_TEXT;
                }
                else
                {
                    track->st->codec->codec_id = AV_CODEC_ID_SSA;
                    need_fonts = 1;

                    if (subtitle->extradata_size)
                    {
                        priv_size = subtitle->extradata_size;
                        priv_data = av_malloc(priv_size + FF_INPUT_BUFFER_PADDING_SIZE);
                        if (priv_data == NULL)
                        {
                            hb_error("SSA extradata: malloc failure");
                            goto error;
                        }
                        memcpy(priv_data, subtitle->extradata, priv_size);
                    }
                }
            } break;

            default:
                continue;
        }
        if (track->st->codec->codec_id == AV_CODEC_ID_MOV_TEXT)
        {
            // Build codec extradata for tx3g.
            // If we were using a libav codec to generate this data
            // this would (or should) be done for us.
            uint8_t properties[] = {
                0x00, 0x00, 0x00, 0x00,     // Display Flags
                0x01,                       // Horiz. Justification
                0xff,                       // Vert. Justification
                0x00, 0x00, 0x00, 0xff,     // Bg color
                0x00, 0x00, 0x00, 0x00,     // Default text box
                0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00,     // Reserved
                0x00, 0x01,                 // Font ID
                0x00,                       // Font face
                0x18,                       // Font size
                0xff, 0xff, 0xff, 0xff,     // Fg color
                // Font table:
                0x00, 0x00, 0x00, 0x12,     // Font table size
                'f','t','a','b',            // Tag
                0x00, 0x01,                 // Count
                0x00, 0x01,                 // Font ID
                0x05,                       // Font name length
                'A','r','i','a','l'         // Font name
            };

            int width, height = 60;
            width = job->width * job->par.num / job->par.den;
            track->st->codec->width = width;
            track->st->codec->height = height;
            properties[14] = height >> 8;
            properties[15] = height & 0xff;
            properties[16] = width >> 8;
            properties[17] = width & 0xff;

            priv_size = sizeof(properties);
            priv_data = av_malloc(priv_size + FF_INPUT_BUFFER_PADDING_SIZE);
            if (priv_data == NULL)
            {
                hb_error("TX3G extradata: malloc failure");
                goto error;
            }
            memcpy(priv_data, properties, priv_size);
        }
        track->st->codec->extradata = priv_data;
        track->st->codec->extradata_size = priv_size;

        if (ii == subtitle_default)
        {
            track->st->disposition |= AV_DISPOSITION_DEFAULT;
        }
        if (subtitle->config.default_track)
        {
            track->st->disposition |= AV_DISPOSITION_FORCED;
        }

        lang = lookup_lang_code(job->mux, subtitle->iso639_2 );
        if (lang != NULL)
        {
            av_dict_set(&track->st->metadata, "language", lang, 0);
        }
    }
Example #2
0
/**********************************************************************
 * avformatInit
 **********************************************************************
 * Allocates hb_mux_data_t structures, create file and write headers
 *********************************************************************/
static int avformatInit( hb_mux_object_t * m )
{
    hb_job_t   * job   = m->job;
    hb_audio_t    * audio;
    hb_mux_data_t * track;
    int meta_mux;
    int max_tracks;
    int ii, ret;

    const char *muxer_name = NULL;

    uint8_t         default_track_flag = 1;
    uint8_t         need_fonts = 0;
    char *lang;


    m->delay = -1;
    max_tracks = 1 + hb_list_count( job->list_audio ) +
                     hb_list_count( job->list_subtitle );

    m->tracks = calloc(max_tracks, sizeof(hb_mux_data_t*));

    m->oc = avformat_alloc_context();
    if (m->oc == NULL)
    {
        hb_error( "Could not initialize avformat context." );
        goto error;
    }

    switch (job->mux)
    {
        case HB_MUX_AV_MP4:
            m->time_base.num = 1;
            m->time_base.den = 90000;
            if( job->ipod_atom )
                muxer_name = "ipod";
            else
                muxer_name = "mp4";
            meta_mux = META_MUX_MP4;
            break;

        case HB_MUX_AV_MKV:
            // libavformat is essentially hard coded such that it only
            // works with a timebase of 1/1000
            m->time_base.num = 1;
            m->time_base.den = 1000;
            muxer_name = "matroska";
            meta_mux = META_MUX_MKV;
            break;

        default:
        {
            hb_error("Invalid Mux %x", job->mux);
            goto error;
        }
    }
    m->oc->oformat = av_guess_format(muxer_name, NULL, NULL);
    if(m->oc->oformat == NULL)
    {
        hb_error("Could not guess output format %s", muxer_name);
        goto error;
    }
    av_strlcpy(m->oc->filename, job->file, sizeof(m->oc->filename));
    ret = avio_open2(&m->oc->pb, job->file, AVIO_FLAG_WRITE,
                     &m->oc->interrupt_callback, NULL);
    if( ret < 0 )
    {
        hb_error( "avio_open2 failed, errno %d", ret);
        goto error;
    }

    /* Video track */
    track = m->tracks[m->ntracks++] = calloc(1, sizeof( hb_mux_data_t ) );
    job->mux_data = track;

    track->type = MUX_TYPE_VIDEO;
    track->st = avformat_new_stream(m->oc, NULL);
    if (track->st == NULL)
    {
        hb_error("Could not initialize video stream");
        goto error;
    }
    track->st->time_base = m->time_base;
    avcodec_get_context_defaults3(track->st->codec, NULL);

    track->st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
    track->st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;

    uint8_t *priv_data = NULL;
    int priv_size = 0;
    switch (job->vcodec)
    {
        case HB_VCODEC_X264:
        case HB_VCODEC_QSV_H264:
            track->st->codec->codec_id = AV_CODEC_ID_H264;

            /* Taken from x264 muxers.c */
            priv_size = 5 + 1 + 2 + job->config.h264.sps_length + 1 + 2 +
                        job->config.h264.pps_length;
            priv_data = av_malloc(priv_size);
            if (priv_data == NULL)
            {
                hb_error("malloc failure");
                goto error;
            }

            priv_data[0] = 1;
            priv_data[1] = job->config.h264.sps[1]; /* AVCProfileIndication */
            priv_data[2] = job->config.h264.sps[2]; /* profile_compat */
            priv_data[3] = job->config.h264.sps[3]; /* AVCLevelIndication */
            priv_data[4] = 0xff; // nalu size length is four bytes
            priv_data[5] = 0xe1; // one sps

            priv_data[6] = job->config.h264.sps_length >> 8;
            priv_data[7] = job->config.h264.sps_length;

            memcpy(priv_data+8, job->config.h264.sps,
                   job->config.h264.sps_length);

            priv_data[8+job->config.h264.sps_length] = 1; // one pps
            priv_data[9+job->config.h264.sps_length] =
                                        job->config.h264.pps_length >> 8;
            priv_data[10+job->config.h264.sps_length] =
                                        job->config.h264.pps_length;

            memcpy(priv_data+11+job->config.h264.sps_length,
                   job->config.h264.pps, job->config.h264.pps_length );
            break;

        case HB_VCODEC_FFMPEG_MPEG4:
            track->st->codec->codec_id = AV_CODEC_ID_MPEG4;

            if (job->config.mpeg4.length != 0)
            {
                priv_size = job->config.mpeg4.length;
                priv_data = av_malloc(priv_size);
                if (priv_data == NULL)
                {
                    hb_error("malloc failure");
                    goto error;
                }
                memcpy(priv_data, job->config.mpeg4.bytes, priv_size);
            }
            break;

        case HB_VCODEC_FFMPEG_MPEG2:
            track->st->codec->codec_id = AV_CODEC_ID_MPEG2VIDEO;

            if (job->config.mpeg4.length != 0)
            {
                priv_size = job->config.mpeg4.length;
                priv_data = av_malloc(priv_size);
                if (priv_data == NULL)
                {
                    hb_error("malloc failure");
                    goto error;
                }
                memcpy(priv_data, job->config.mpeg4.bytes, priv_size);
            }
            break;

        case HB_VCODEC_THEORA:
        {
            track->st->codec->codec_id = AV_CODEC_ID_THEORA;

            int size = 0;
            ogg_packet *ogg_headers[3];

            for (ii = 0; ii < 3; ii++)
            {
                ogg_headers[ii] = (ogg_packet *)job->config.theora.headers[ii];
                size += ogg_headers[ii]->bytes + 2;
            }

            priv_size = size;
            priv_data = av_malloc(priv_size);
            if (priv_data == NULL)
            {
                hb_error("malloc failure");
                goto error;
            }

            size = 0;
            for(ii = 0; ii < 3; ii++)
            {
                AV_WB16(priv_data + size, ogg_headers[ii]->bytes);
                size += 2;
                memcpy(priv_data+size, ogg_headers[ii]->packet,
                                       ogg_headers[ii]->bytes);
                size += ogg_headers[ii]->bytes;
            }
        } break;

        default:
            hb_error("muxavformat: Unknown video codec: %x", job->vcodec);
            goto error;
    }
    track->st->codec->extradata = priv_data;
    track->st->codec->extradata_size = priv_size;

    if (job->anamorphic.mode > 0)
    {
        track->st->sample_aspect_ratio.num        = job->anamorphic.par_width;
        track->st->sample_aspect_ratio.den        = job->anamorphic.par_height;
        track->st->codec->sample_aspect_ratio.num = job->anamorphic.par_width;
        track->st->codec->sample_aspect_ratio.den = job->anamorphic.par_height;
    }
    else
    {
        track->st->sample_aspect_ratio.num        = 1;
        track->st->sample_aspect_ratio.den        = 1;
        track->st->codec->sample_aspect_ratio.num = 1;
        track->st->codec->sample_aspect_ratio.den = 1;
    }
    track->st->codec->width = job->width;
    track->st->codec->height = job->height;
    track->st->disposition |= AV_DISPOSITION_DEFAULT;

    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;
    }

    // If the vrate is 27000000, there's a good chance this is
    // a standard rate that we have in our hb_video_rates table.
    // Because of rounding errors and approximations made while
    // measuring framerate, the actual value may not be exact.  So
    // we look for rates that are "close" and make an adjustment
    // to fps.den.
    if (vrate == 27000000)
    {
        const hb_rate_t *video_framerate = NULL;
        while ((video_framerate = hb_video_framerate_get_next(video_framerate)) != NULL)
        {
            if (abs(vrate_base - video_framerate->rate) < 10)
            {
                vrate_base = video_framerate->rate;
                break;
            }
        }
    }
    hb_reduce(&vrate_base, &vrate, vrate_base, vrate);
    if (job->mux == HB_MUX_AV_MP4)
    {
        // libavformat mp4 muxer requires that the codec time_base have the
        // same denominator as the stream time_base, it uses it for the
        // mdhd timescale.
        double scale = (double)track->st->time_base.den / vrate;
        track->st->codec->time_base.den = track->st->time_base.den;
        track->st->codec->time_base.num = vrate_base * scale;
    }
    else
    {
        track->st->codec->time_base.num = vrate_base;
        track->st->codec->time_base.den = vrate;
    }

    /* add the audio tracks */
    for(ii = 0; ii < hb_list_count( job->list_audio ); ii++ )
    {
        audio = hb_list_item( job->list_audio, ii );
        track = m->tracks[m->ntracks++] = calloc(1, sizeof( hb_mux_data_t ) );
        audio->priv.mux_data = track;

        track->type = MUX_TYPE_AUDIO;

        track->st = avformat_new_stream(m->oc, NULL);
        if (track->st == NULL)
        {
            hb_error("Could not initialize audio stream");
            goto error;
        }
        avcodec_get_context_defaults3(track->st->codec, NULL);

        track->st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
        track->st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
        if (job->mux == HB_MUX_AV_MP4)
        {
            track->st->codec->time_base.num = audio->config.out.samples_per_frame;
            track->st->codec->time_base.den = audio->config.out.samplerate;
            track->st->time_base.num = 1;
            track->st->time_base.den = audio->config.out.samplerate;
        }
        else
        {
            track->st->codec->time_base = m->time_base;
        }

        priv_data = NULL;
        priv_size = 0;
        switch (audio->config.out.codec & HB_ACODEC_MASK)
        {
            case HB_ACODEC_DCA:
            case HB_ACODEC_DCA_HD:
                track->st->codec->codec_id = AV_CODEC_ID_DTS;
                break;
            case HB_ACODEC_AC3:
                track->st->codec->codec_id = AV_CODEC_ID_AC3;
                break;
            case HB_ACODEC_LAME:
            case HB_ACODEC_MP3:
                track->st->codec->codec_id = AV_CODEC_ID_MP3;
                break;
            case HB_ACODEC_VORBIS:
            {
                track->st->codec->codec_id = AV_CODEC_ID_VORBIS;

                int jj, size = 0;
                ogg_packet *ogg_headers[3];

                for (jj = 0; jj < 3; jj++)
                {
                    ogg_headers[jj] = (ogg_packet *)audio->priv.config.vorbis.headers[jj];
                    size += ogg_headers[jj]->bytes + 2;
                }

                priv_size = size;
                priv_data = av_malloc(priv_size);
                if (priv_data == NULL)
                {
                    hb_error("malloc failure");
                    goto error;
                }

                size = 0;
                for(jj = 0; jj < 3; jj++)
                {
                    AV_WB16(priv_data + size, ogg_headers[jj]->bytes);
                    size += 2;
                    memcpy(priv_data+size, ogg_headers[jj]->packet,
                                           ogg_headers[jj]->bytes);
                    size += ogg_headers[jj]->bytes;
                }
            } break;
            case HB_ACODEC_FFFLAC:
            case HB_ACODEC_FFFLAC24:
                track->st->codec->codec_id = AV_CODEC_ID_FLAC;

                if (audio->priv.config.extradata.bytes)
                {
                    priv_size = audio->priv.config.extradata.length;
                    priv_data = av_malloc(priv_size);
                    if (priv_data == NULL)
                    {
                        hb_error("malloc failure");
                        goto error;
                    }
                    memcpy(priv_data,
                           audio->priv.config.extradata.bytes,
                           audio->priv.config.extradata.length);
                }
                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->st->codec->codec_id = AV_CODEC_ID_AAC;

                if (audio->priv.config.extradata.bytes)
                {
                    priv_size = audio->priv.config.extradata.length;
                    priv_data = av_malloc(priv_size);
                    if (priv_data == NULL)
                    {
                        hb_error("malloc failure");
                        goto error;
                    }
                    memcpy(priv_data,
                           audio->priv.config.extradata.bytes,
                           audio->priv.config.extradata.length);
                }
                break;
            default:
                hb_error("muxavformat: Unknown audio codec: %x",
                         audio->config.out.codec);
                goto error;
        }
        track->st->codec->extradata = priv_data;
        track->st->codec->extradata_size = priv_size;

        if( default_track_flag )
        {
            track->st->disposition |= AV_DISPOSITION_DEFAULT;
            default_track_flag = 0;
        }

        lang = lookup_lang_code(job->mux, audio->config.lang.iso639_2 );
        if (lang != NULL)
        {
            av_dict_set(&track->st->metadata, "language", lang, 0);
        }
        track->st->codec->sample_rate = audio->config.out.samplerate;
        if (audio->config.out.codec & HB_ACODEC_PASS_FLAG)
        {
            track->st->codec->channels = av_get_channel_layout_nb_channels(audio->config.in.channel_layout);
            track->st->codec->channel_layout = audio->config.in.channel_layout;
        }
        else
        {
            track->st->codec->channels = hb_mixdown_get_discrete_channel_count(audio->config.out.mixdown);
            track->st->codec->channel_layout = hb_ff_mixdown_xlat(audio->config.out.mixdown, NULL);
        }

        char *name;
        if (audio->config.out.name == NULL)
        {
            switch (track->st->codec->channels)
            {
                case 1:
                    name = "Mono";
                    break;

                case 2:
                    name = "Stereo";
                    break;

                default:
                    name = "Surround";
                    break;
            }
        }
        else
        {
            name = audio->config.out.name;
        }
        av_dict_set(&track->st->metadata, "title", name, 0);
    }

    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";

    int subtitle_default = -1;
    for( ii = 0; ii < hb_list_count( job->list_subtitle ); ii++ )
    {
        hb_subtitle_t *subtitle = hb_list_item( job->list_subtitle, ii );

        if( subtitle->config.dest == PASSTHRUSUB )
        {
            if ( subtitle->config.default_track )
                subtitle_default = ii;
        }
    }
    // Quicktime requires that at least one subtitle is enabled,
    // else it doesn't show any of the subtitles.
    // So check to see if any of the subtitles are flagged to be
    // the defualt.  The default will the the enabled track, else
    // enable the first track.
    if (job->mux == HB_MUX_AV_MP4 && subtitle_default == -1)
    {
        subtitle_default = 0;
    }

    for( ii = 0; ii < hb_list_count( job->list_subtitle ); ii++ )
    {
        hb_subtitle_t * subtitle;
        uint32_t        rgb[16];
        char            subidx[2048];
        int             len;

        subtitle = hb_list_item( job->list_subtitle, ii );
        if (subtitle->config.dest != PASSTHRUSUB)
            continue;

        track = m->tracks[m->ntracks++] = calloc(1, sizeof( hb_mux_data_t ) );
        subtitle->mux_data = track;

        track->type = MUX_TYPE_SUBTITLE;
        track->st = avformat_new_stream(m->oc, NULL);
        if (track->st == NULL)
        {
            hb_error("Could not initialize subtitle stream");
            goto error;
        }
        avcodec_get_context_defaults3(track->st->codec, NULL);

        track->st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
        track->st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
        track->st->time_base = m->time_base;
        track->st->codec->time_base = m->time_base;
        track->st->codec->width = subtitle->width;
        track->st->codec->height = subtitle->height;

        priv_data = NULL;
        priv_size = 0;
        switch (subtitle->source)
        {
            case VOBSUB:
            {
                int jj;
                track->st->codec->codec_id = AV_CODEC_ID_DVD_SUBTITLE;

                for (jj = 0; jj < 16; jj++)
                    rgb[jj] = hb_yuv2rgb(subtitle->palette[jj]);
                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]);

                priv_size = len + 1;
                priv_data = av_malloc(priv_size);
                if (priv_data == NULL)
                {
                    hb_error("malloc failure");
                    goto error;
                }
                memcpy(priv_data, subidx, priv_size);
            } break;

            case PGSSUB:
            {
                track->st->codec->codec_id = AV_CODEC_ID_HDMV_PGS_SUBTITLE;
            } break;

            case SSASUB:
            {
                if (job->mux == HB_MUX_AV_MP4)
                {
                    track->st->codec->codec_id = AV_CODEC_ID_MOV_TEXT;
                }
                else
                {
                    track->st->codec->codec_id = AV_CODEC_ID_SSA;
                    need_fonts = 1;

                    if (subtitle->extradata_size)
                    {
                        priv_size = subtitle->extradata_size;
                        priv_data = av_malloc(priv_size);
                        if (priv_data == NULL)
                        {
                            hb_error("malloc failure");
                            goto error;
                        }
                        memcpy(priv_data, subtitle->extradata, priv_size);
                    }
                }
            } break;

            case CC608SUB:
            case CC708SUB:
            case UTF8SUB:
            case TX3GSUB:
            case SRTSUB:
            {
                if (job->mux == HB_MUX_AV_MP4)
                    track->st->codec->codec_id = AV_CODEC_ID_MOV_TEXT;
                else
                    track->st->codec->codec_id = AV_CODEC_ID_TEXT;
            } break;

            default:
                continue;
        }
        if (track->st->codec->codec_id == AV_CODEC_ID_MOV_TEXT)
        {
            // Build codec extradata for tx3g.
            // If we were using a libav codec to generate this data
            // this would (or should) be done for us.
            uint8_t properties[] = {
                0x00, 0x00, 0x00, 0x00,     // Display Flags
                0x01,                       // Horiz. Justification
                0xff,                       // Vert. Justification
                0x00, 0x00, 0x00, 0xff,     // Bg color
                0x00, 0x00, 0x00, 0x00,     // Default text box
                0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00,     // Reserved
                0x00, 0x01,                 // Font ID
                0x00,                       // Font face
                0x18,                       // Font size
                0xff, 0xff, 0xff, 0xff,     // Fg color
                // Font table:
                0x00, 0x00, 0x00, 0x12,     // Font table size
                'f','t','a','b',            // Tag
                0x00, 0x01,                 // Count
                0x00, 0x01,                 // Font ID
                0x05,                       // Font name length
                'A','r','i','a','l'         // Font name
            };

            int width, height = 60;
            if (job->anamorphic.mode)
                width = job->width * ((float)job->anamorphic.par_width / job->anamorphic.par_height);
            else
                width = job->width;
            track->st->codec->width = width;
            track->st->codec->height = height;
            properties[14] = height >> 8;
            properties[15] = height & 0xff;
            properties[16] = width >> 8;
            properties[17] = width & 0xff;

            priv_size = sizeof(properties);
            priv_data = av_malloc(priv_size);
            if (priv_data == NULL)
            {
                hb_error("malloc failure");
                goto error;
            }
            memcpy(priv_data, properties, priv_size);
        }
        track->st->codec->extradata = priv_data;
        track->st->codec->extradata_size = priv_size;

        if ( ii == subtitle_default )
        {
            track->st->disposition |= AV_DISPOSITION_DEFAULT;
        }

        lang = lookup_lang_code(job->mux, subtitle->iso639_2 );
        if (lang != NULL)
        {
            av_dict_set(&track->st->metadata, "language", lang, 0);
        }
    }
Example #3
0
/**********************************************************************
 * 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:
            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) {
                free(track);
                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_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;

        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;
}