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| author | Martin Vignali <martin.vignali@gmail.com> | 2016-11-17 21:24:42 +0100 |
|---|---|---|
| committer | Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> | 2016-11-25 00:57:38 +0100 |
| commit | 5099c541bbb9174c6af8376c8793907c50ca3e97 (patch) | |
| tree | afdd513c04d79cc68cde209d1554ebd55ef3ccae | |
| parent | 8c8f543b81aa2b50bb6a6cfd370a0061281492a3 (diff) | |
| download | ffmpeg-5099c541bbb9174c6af8376c8793907c50ca3e97.tar.gz | |
libavcodec/exr: add support for uint32 channel decoding with pxr24
Doesn't decode the uint32 layer, but decodes the half part of the file.
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
| -rw-r--r-- | libavcodec/exr.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/libavcodec/exr.c b/libavcodec/exr.c index f02337e3ef..78527270d1 100644 --- a/libavcodec/exr.c +++ b/libavcodec/exr.c @@ -882,6 +882,22 @@ static int pxr24_uncompress(EXRContext *s, const uint8_t *src, bytestream_put_le16(&out, pixel); } break; + case EXR_UINT: + ptr[0] = in; + ptr[1] = ptr[0] + s->xdelta; + ptr[2] = ptr[1] + s->xdelta; + ptr[3] = ptr[2] + s->xdelta; + in = ptr[3] + s->xdelta; + + for (j = 0; j < s->xdelta; ++j) { + uint32_t diff = (*(ptr[0]++) << 24) | + (*(ptr[1]++) << 16) | + (*(ptr[2]++) << 8 ) | + (*(ptr[3]++)); + pixel += diff; + bytestream_put_le32(&out, pixel); + } + break; default: return AVERROR_INVALIDDATA; } |