Function avformatInit

libhb/muxavformat.c:251–1323

* avformatInit ********************************************************************** * Allocates hb_mux_data_t structures, create file and write headers *********************************************************************/

 * 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;

    m->pkt = av_packet_alloc();
    m->empty_pkt = av_packet_alloc();

    if (m->pkt == NULL || m->empty_pkt == NULL)
    {
        hb_error("muxavformat: av_packet_alloc failed");
        goto error;
    }

    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*));

    if (m->tracks == NULL)
    {
        hb_error("muxavformat: calloc failed");
        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);
            av_dict_set(&av_opts, "strict", "experimental", 0);
            if (job->optimize)
                av_dict_set(&av_opts, "movflags", "faststart+disable_chpl+write_colr", 0);
            else
                av_dict_set(&av_opts, "movflags", "+disable_chpl+write_colr", 0);
            break;

        case HB_MUX_AV_MOV: