PeerStreamer

    const uint8_t *buf_ptr = buf;

    const uint8_t *buf_end = buf + buf_size;

    int ret, input_size;

    for(;;) {

        /* find next start code */

        /* prepare data for next start code */

        switch(start_code) {

        case SEQ_START_CODE:

            mpeg1_decode_sequence(avctx, buf_ptr,

                                    input_size);

            break;

        case PICTURE_START_CODE:

            if(mpeg1_decode_picture(avctx,

                                    buf_ptr, input_size) < 0)

                s2->pict_type=0;

            break;

        case EXT_START_CODE:

            init_get_bits(&s2->gb, buf_ptr, input_size*8);

            switch(get_bits(&s2->gb, 4)) {

            case 0x1:

                mpeg_decode_sequence_extension(s);

                break;

            case 0x2:

                mpeg_decode_sequence_display_extension(s);

                break;

            case 0x8:

                mpeg_decode_picture_coding_extension(s);

                break;

            }

            break;

                                    buf_ptr, input_size);

            break;

        case GOP_START_CODE:

            s2->first_field=0;

            mpeg_decode_gop(avctx,

                                    buf_ptr, input_size);

            break;

        default:

            if (start_code >= SLICE_MIN_START_CODE &&

                int mb_y= start_code - SLICE_MIN_START_CODE;

                if(s2->last_picture_ptr==NULL){

                /* Skip B-frames if we do not have reference frames and gop is not closed */