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avcodec/exr: enable mipmap, ripmap decoding

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This commit is contained in:
Martin Vignali 2016-04-05 21:17:51 +02:00 committed by Paul B Mahol
parent 374974886a
commit 6d7f5667a0
1 changed files with 7 additions and 5 deletions
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12
libavcodec/exr.c
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@ -73,11 +73,13 @@ enum ExrTileLevelMode {
EXR_TILE_LEVEL_ONE,
EXR_TILE_LEVEL_MIPMAP,
EXR_TILE_LEVEL_RIPMAP,
EXR_TILE_LEVEL_UNKNOWN,
};
enum ExrTileLevelRound {
EXR_TILE_ROUND_UP,
EXR_TILE_ROUND_DOWN,
EXR_TILE_ROUND_UNKNOWN,
};
typedef struct EXRChannel {
@ -1011,9 +1013,9 @@ static int decode_block(AVCodecContext *avctx, void *tdata,
if (data_size <= 0 || data_size > buf_size)
return AVERROR_INVALIDDATA;
if (tileLevelX || tileLevelY) { /* tile of low resolution (Mipmap, rimmap) */
av_log(s->avctx, AV_LOG_ERROR, "Wrong Tile level %i / %i.\n", tileLevelX, tileLevelY);
return AVERROR_INVALIDDATA;
if (tileLevelX || tileLevelY) { /* tile level, is not the full res level */
avpriv_report_missing_feature(s->avctx, "Subres tile before full res tile");
return AVERROR_PATCHWELCOME;
}
line = s->tile_attr.ySize * tileY;
@ -1490,13 +1492,13 @@ static int decode_header(EXRContext *s)
s->tile_attr.level_mode = tileLevel & 0x0f;
s->tile_attr.level_round = (tileLevel >> 4) & 0x0f;
if (s->tile_attr.level_mode != EXR_TILE_LEVEL_ONE) {
if (s->tile_attr.level_mode >= EXR_TILE_LEVEL_UNKNOWN){
avpriv_report_missing_feature(s->avctx, "Tile level mode %d",
s->tile_attr.level_mode);
return AVERROR_PATCHWELCOME;
}
if (s->tile_attr.level_round != EXR_TILE_ROUND_UP) {
if (s->tile_attr.level_round >= EXR_TILE_ROUND_UNKNOWN) {
avpriv_report_missing_feature(s->avctx, "Tile level round %d",
s->tile_attr.level_round);
return AVERROR_PATCHWELCOME;