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authorLinjie Fu <linjie.fu@intel.com>2020-03-17 22:53:58 +0800
committerRonald S. Bultje <rsbultje@gmail.com>2020-05-05 08:22:28 -0400
commit9473268cfb580dccd3f1f3be338cd22661ef791e (patch)
tree0c155f390e2cfb4b72dc5400781f9d0b56616086 /tests/ref/lavf-fate/latm
parent486ed509bcf245bf25aac19f2eead04ba684c837 (diff)
downloadffmpeg-9473268cfb580dccd3f1f3be338cd22661ef791e.tar.gz
lavc/vp9: fix reference frame dimensions check for SINGLE_REFERENCE mode
With the description in frame size with refs semantics (SPEC 7.2.5), it is a requirement of bitstream conformance that for at least one reference frame has the valid dimensions. Modify the check to make sure the decoder works well in SINGLE_REFERENCE mode that not all reference frames have valid dimensions. Check and error out if invalid reference frame is used in inter_recon. One of the failure case is a 480x272 inter frame (SINGLE_REFERENCE mode) with following reference pool: 0. 960x544 LAST valid 1. 1920x1088 GOLDEN invalid, but not used in single reference mode 2. 1920x1088 ALTREF invalid, but not used in single reference mode 3~7 ... Unused Identical logic in libvpx: <https://github.com/webmproject/libvpx/blob/master/vp9/decoder/vp9_decodeframe.c#L736> Signed-off-by: Linjie Fu <linjie.fu@intel.com> Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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