static void build_basic_mjpeg_vlc(MJpegDecodeContext *s)
{
- build_vlc(&s->vlcs[0][0], ff_mjpeg_bits_dc_luminance,
- ff_mjpeg_val_dc, 12, 0, 0);
- build_vlc(&s->vlcs[0][1], ff_mjpeg_bits_dc_chrominance,
- ff_mjpeg_val_dc, 12, 0, 0);
- build_vlc(&s->vlcs[1][0], ff_mjpeg_bits_ac_luminance,
- ff_mjpeg_val_ac_luminance, 251, 0, 1);
- build_vlc(&s->vlcs[1][1], ff_mjpeg_bits_ac_chrominance,
- ff_mjpeg_val_ac_chrominance, 251, 0, 1);
- build_vlc(&s->vlcs[2][0], ff_mjpeg_bits_ac_luminance,
- ff_mjpeg_val_ac_luminance, 251, 0, 0);
- build_vlc(&s->vlcs[2][1], ff_mjpeg_bits_ac_chrominance,
- ff_mjpeg_val_ac_chrominance, 251, 0, 0);
+ build_vlc(&s->vlcs[0][0], avpriv_mjpeg_bits_dc_luminance,
+ avpriv_mjpeg_val_dc, 12, 0, 0);
+ build_vlc(&s->vlcs[0][1], avpriv_mjpeg_bits_dc_chrominance,
+ avpriv_mjpeg_val_dc, 12, 0, 0);
+ build_vlc(&s->vlcs[1][0], avpriv_mjpeg_bits_ac_luminance,
+ avpriv_mjpeg_val_ac_luminance, 251, 0, 1);
+ build_vlc(&s->vlcs[1][1], avpriv_mjpeg_bits_ac_chrominance,
+ avpriv_mjpeg_val_ac_chrominance, 251, 0, 1);
+ build_vlc(&s->vlcs[2][0], avpriv_mjpeg_bits_ac_luminance,
+ avpriv_mjpeg_val_ac_luminance, 251, 0, 0);
+ build_vlc(&s->vlcs[2][1], avpriv_mjpeg_bits_ac_chrominance,
+ avpriv_mjpeg_val_ac_chrominance, 251, 0, 0);
}
av_cold int ff_mjpeg_decode_init(AVCodecContext *avctx)
for (i = 0; i < 3; i++)
s->linesize[i] = s->picture_ptr->linesize[i] << s->interlaced;
-// printf("%d %d %d %d %d %d\n",
-// s->width, s->height, s->linesize[0], s->linesize[1],
-// s->interlaced, s->avctx->height);
+ av_dlog(s->avctx, "%d %d %d %d %d %d\n",
+ s->width, s->height, s->linesize[0], s->linesize[1],
+ s->interlaced, s->avctx->height);
if (len != (8 + (3 * nb_components)))
av_log(s->avctx, AV_LOG_DEBUG, "decode_sof0: error, len(%d) mismatch\n", len);
return AVERROR_INVALIDDATA;
}
}
- // av_log(s->avctx, AV_LOG_DEBUG, "mb: %d %d processed\n",
- // mb_y, mb_x);
- // av_log(NULL, AV_LOG_DEBUG, "%d %d %d %d %d %d %d %d \n",
- // mb_x, mb_y, x, y, c, s->bottom_field,
- // (v * mb_y + y) * 8, (h * mb_x + x) * 8);
+ av_dlog(s->avctx, "mb: %d %d processed\n", mb_y, mb_x);
+ av_dlog(s->avctx, "%d %d %d %d %d %d %d %d \n",
+ mb_x, mb_y, x, y, c, s->bottom_field,
+ (v * mb_y + y) * 8, (h * mb_x + x) * 8);
if (++x == h) {
x = 0;
y++;
4bytes field_size_less_padding
*/
s->buggy_avid = 1;
-// if (s->first_picture)
-// printf("mjpeg: workarounding buggy AVID\n");
i = get_bits(&s->gb, 8);
if (i == 2)
s->bottom_field = 1;
skip_bits(&s->gb, 32);
len -= 10;
#endif
-// if (s->interlace_polarity)
-// printf("mjpeg: interlace polarity: %d\n", s->interlace_polarity);
goto out;
}
/* buggy avid, it puts EOI only at every 10th frame */
if (!strcmp(cbuf, "AVID")) {
s->buggy_avid = 1;
- // if (s->first_picture)
- // printf("mjpeg: workarounding buggy AVID\n");
} else if (!strcmp(cbuf, "CS=ITU601"))
s->cs_itu601 = 1;
else if ((len > 20 && !strncmp(cbuf, "Intel(R) JPEG Library", 21)) ||
av_log(avctx, AV_LOG_ERROR,
"mjpeg: unsupported coding type (%x)\n", start_code);
break;
-// default:
-// printf("mjpeg: unsupported marker (%x)\n", start_code);
-// break;
}
not_the_end:
#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
static const AVOption options[] = {
{ "extern_huff", "Use external huffman table.",
- OFFSET(extern_huff), AV_OPT_TYPE_INT, { 0 }, 0, 1, VD },
+ OFFSET(extern_huff), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VD },
{ NULL },
};