Function add_ffmpeg_attachment

libhb/stream.c:5900–5947

}

static void add_ffmpeg_attachment( hb_title_t *title, hb_stream_t *stream, int id )
{
    AVStream *st = stream->ffmpeg_ic->streams[id];
    AVCodecParameters *codecpar = st->codecpar;

    enum attachtype type;
    const char *name = get_ffmpeg_metadata_value( st->metadata, "filename" );
    switch ( codecpar->codec_id )
    {
        case AV_CODEC_ID_TTF:
            // FFmpeg sets codec ID based on mime type of the attachment
            type = FONT_TTF_ATTACH;
            break;
        default:
        {
            int len = name ? strlen( name ) : 0;
            if( len >= 4 )
            {
                // Some attachments don't have the right mime type.
                // So also trigger on file name extension.
                if( !strcasecmp( name + len - 4, ".ttc" ) ||
                    !strcasecmp( name + len - 4, ".ttf" ) )
                {
                    type = FONT_TTF_ATTACH;
                    break;
                }
                else if( !strcasecmp( name + len - 4, ".otf" ) )
                {
                    type = FONT_OTF_ATTACH;
                    break;
                }
            }
            // Ignore unrecognized attachment type
            return;
        }
    }

    hb_attachment_t *attachment = calloc( 1, sizeof(*attachment) );

    // Copy the attachment name and data
    attachment->type = type;
    attachment->name = strdup( name );
    attachment->data = malloc( codecpar->extradata_size );
    memcpy( attachment->data, codecpar->extradata, codecpar->extradata_size );
    attachment->size = codecpar->extradata_size;

    hb_list_add(title->list_attachment, attachment);
}

static void add_ffmpeg_coverart(hb_title_t *title, hb_stream_t *stream, int id)
{