int is_2d_trans;
} transforms[18] = {
{ ff_ivi_inverse_haar_8x8, ff_ivi_dc_haar_2d, 1 },
- { NULL, NULL, 0 }, /* inverse Haar 8x1 */
- { NULL, NULL, 0 }, /* inverse Haar 1x8 */
+ { ff_ivi_row_haar8, ff_ivi_dc_haar_2d, 0 },
+ { ff_ivi_col_haar8, ff_ivi_dc_haar_2d, 0 },
{ ff_ivi_put_pixels_8x8, ff_ivi_put_dc_pixel_8x8, 1 },
{ ff_ivi_inverse_slant_8x8, ff_ivi_dc_slant_2d, 1 },
{ ff_ivi_row_slant8, ff_ivi_dc_row_slant, 1 },
{ NULL, NULL, 0 }, /* inverse DCT 8x8 */
{ NULL, NULL, 0 }, /* inverse DCT 8x1 */
{ NULL, NULL, 0 }, /* inverse DCT 1x8 */
- { NULL, NULL, 0 }, /* inverse Haar 4x4 */
+ { ff_ivi_inverse_haar_4x4, ff_ivi_dc_haar_2d, 1 },
{ ff_ivi_inverse_slant_4x4, ff_ivi_dc_slant_2d, 1 },
{ NULL, NULL, 0 }, /* no transform 4x4 */
- { NULL, NULL, 0 }, /* inverse Haar 1x4 */
- { NULL, NULL, 0 }, /* inverse Haar 4x1 */
- { NULL, NULL, 0 }, /* inverse slant 1x4 */
- { NULL, NULL, 0 }, /* inverse slant 4x1 */
+ { ff_ivi_row_haar4, ff_ivi_dc_haar_2d, 0 },
+ { ff_ivi_col_haar4, ff_ivi_dc_haar_2d, 0 },
+ { ff_ivi_row_slant4, ff_ivi_dc_row_slant, 0 },
+ { ff_ivi_col_slant4, ff_ivi_dc_col_slant, 0 },
{ NULL, NULL, 0 }, /* inverse DCT 4x4 */
};
if (ivi_pic_config_cmp(&pic_conf, &ctx->pic_conf)) {
if (ff_ivi_init_planes(ctx->planes, &pic_conf)) {
av_log(avctx, AV_LOG_ERROR, "Couldn't reallocate color planes!\n");
+ ctx->pic_conf.luma_bands = 0;
return AVERROR(ENOMEM);
}
band->is_empty = get_bits1(&ctx->gb);
if (!band->is_empty) {
+ int old_blk_size = band->blk_size;
/* skip header size
* If header size is not given, header size is 4 bytes. */
if (get_bits1(&ctx->gb))
transform_id = get_bits(&ctx->gb, 5);
if (transform_id >= FF_ARRAY_ELEMS(transforms) ||
!transforms[transform_id].inv_trans) {
- av_log_ask_for_sample(avctx, "Unimplemented transform: %d!\n", transform_id);
+ avpriv_request_sample(avctx, "Transform %d", transform_id);
return AVERROR_PATCHWELCOME;
}
if ((transform_id >= 7 && transform_id <= 9) ||
transform_id == 17) {
- av_log_ask_for_sample(avctx, "DCT transform not supported yet!\n");
+ avpriv_request_sample(avctx, "DCT transform");
return AVERROR_PATCHWELCOME;
}
band->inv_transform = transforms[transform_id].inv_trans;
band->dc_transform = transforms[transform_id].dc_trans;
band->is_2d_trans = transforms[transform_id].is_2d_trans;
+ if (transform_id < 10)
+ band->transform_size = 8;
+ else
+ band->transform_size = 4;
+
+ if (band->blk_size != band->transform_size)
+ return AVERROR_INVALIDDATA;
scan_indx = get_bits(&ctx->gb, 4);
if (scan_indx == 15) {
av_log(avctx, AV_LOG_ERROR, "Custom scan pattern encountered!\n");
return AVERROR_INVALIDDATA;
}
+ if (scan_indx > 4 && scan_indx < 10) {
+ if (band->blk_size != 4)
+ return AVERROR_INVALIDDATA;
+ } else if (band->blk_size != 8)
+ return AVERROR_INVALIDDATA;
+
band->scan = scan_index_to_tab[scan_indx];
band->quant_mat = get_bits(&ctx->gb, 5);
- if (band->quant_mat == 31) {
- av_log(avctx, AV_LOG_ERROR, "Custom quant matrix encountered!\n");
+ if (band->quant_mat >= FF_ARRAY_ELEMS(quant_index_to_tab)) {
+
+ if (band->quant_mat == 31)
+ av_log(avctx, AV_LOG_ERROR,
+ "Custom quant matrix encountered!\n");
+ else
+ avpriv_request_sample(avctx, "Quantization matrix %d",
+ band->quant_mat);
+ band->quant_mat = -1;
+ return AVERROR_INVALIDDATA;
+ }
+ } else {
+ if (old_blk_size != band->blk_size) {
+ av_log(avctx, AV_LOG_ERROR,
+ "The band block size does not match the configuration "
+ "inherited\n");
+ return AVERROR_INVALIDDATA;
+ }
+ if (band->quant_mat < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid quant_mat inherited\n");
return AVERROR_INVALIDDATA;
}
}
/* decode block huffman codebook */
- if (ff_ivi_dec_huff_desc(&ctx->gb, get_bits1(&ctx->gb), IVI_BLK_HUFF,
- &band->blk_vlc, avctx))
- return AVERROR_INVALIDDATA;
+ if (!get_bits1(&ctx->gb))
+ band->blk_vlc.tab = ctx->blk_vlc.tab;
+ else
+ if (ff_ivi_dec_huff_desc(&ctx->gb, 1, IVI_BLK_HUFF,
+ &band->blk_vlc, avctx))
+ return AVERROR_INVALIDDATA;
/* select appropriate rvmap table for this band */
band->rvmap_sel = get_bits1(&ctx->gb) ? get_bits(&ctx->gb, 3) : 8;
}
mb->mv_x = mb->mv_y = 0; /* no motion vector coded */
- if (band->inherit_mv) {
+ if (band->inherit_mv && ref_mb) {
/* motion vector inheritance */
if (mv_scale) {
mb->mv_x = ivi_scale_mv(ref_mb->mv_x, mv_scale);
}
} else {
if (band->inherit_mv) {
- mb->type = ref_mb->type; /* copy mb_type from corresponding reference mb */
+ /* copy mb_type from corresponding reference mb */
+ if (!ref_mb)
+ return AVERROR_INVALIDDATA;
+ mb->type = ref_mb->type;
} else if (ctx->frame_type == FRAMETYPE_INTRA ||
ctx->frame_type == FRAMETYPE_INTRA1) {
mb->type = 0; /* mb_type is always INTRA for intra-frames */
mb->mv_x = mb->mv_y = 0; /* there is no motion vector in intra-macroblocks */
} else {
if (band->inherit_mv) {
- /* motion vector inheritance */
- if (mv_scale) {
- mb->mv_x = ivi_scale_mv(ref_mb->mv_x, mv_scale);
- mb->mv_y = ivi_scale_mv(ref_mb->mv_y, mv_scale);
- } else {
- mb->mv_x = ref_mb->mv_x;
- mb->mv_y = ref_mb->mv_y;
- }
+ if (ref_mb)
+ /* motion vector inheritance */
+ if (mv_scale) {
+ mb->mv_x = ivi_scale_mv(ref_mb->mv_x, mv_scale);
+ mb->mv_y = ivi_scale_mv(ref_mb->mv_y, mv_scale);
+ } else {
+ mb->mv_x = ref_mb->mv_x;
+ mb->mv_y = ref_mb->mv_y;
+ }
} else {
/* decode motion vector deltas */
mv_delta = get_vlc2(&ctx->gb, ctx->mb_vlc.tab->table,
AVCodec ff_indeo4_decoder = {
.name = "indeo4",
+ .long_name = NULL_IF_CONFIG_SMALL("Intel Indeo Video Interactive 4"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_INDEO4,
.priv_data_size = sizeof(IVI45DecContext),
.init = decode_init,
.close = ff_ivi_decode_close,
.decode = ff_ivi_decode_frame,
- .long_name = NULL_IF_CONFIG_SMALL("Intel Indeo Video Interactive 4"),
.capabilities = CODEC_CAP_DR1,
};
projects / ffmpeg / blobdiff