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Code Issues Releases Activity

avcodec/codec_desc, jvdec: JV is not intra-only

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It reuses the previous frame and does not code unchanged blocks.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-05-09 03:07:51 +02:00
parent 876a25027c
commit 41fc62f2e8
3 changed files with 8 additions and 10 deletions
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2
libavcodec/codec_desc.c
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@ -1095,7 +1095,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
.type = AVMEDIA_TYPE_VIDEO,
.name = "jv",
.long_name = NULL_IF_CONFIG_SMALL("Bitmap Brothers JV video"),
.props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
.props = AV_CODEC_PROP_LOSSY,
},
{
.id = AV_CODEC_ID_DFA,

2
libavcodec/jvdec.c
View File

@ -215,8 +215,6 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *rframe,
}
if (video_size) {
s->frame->flags |= AV_FRAME_FLAG_KEY;
s->frame->pict_type = AV_PICTURE_TYPE_I;
#if FF_API_PALETTE_HAS_CHANGED
FF_DISABLE_DEPRECATION_WARNINGS
s->frame->palette_has_changed = s->palette_has_changed;

14
tests/ref/fate/jv-demux
View File

@ -11,13 +11,13 @@
0, 0, 0, 1, 6, 0x000a0003
1, 0, 0, 131072, 131072, 0x14c664d6
0, 1, 1, 1, 773, 0x11802a51
0, 2, 2, 1, 12974, 0xc2e466b7
0, 3, 3, 1, 12200, 0x3c0eeb31
0, 4, 4, 1, 13339, 0x91d82488
0, 5, 5, 1, 13940, 0x064c350a
0, 6, 6, 1, 14418, 0x078d2dd2
0, 7, 7, 1, 14539, 0x145167ed
0, 8, 8, 1, 2552, 0xcf2b1db7, F=0x3
0, 2, 2, 1, 12974, 0xc2e466b7, F=0x0
0, 3, 3, 1, 12200, 0x3c0eeb31, F=0x0
0, 4, 4, 1, 13339, 0x91d82488, F=0x0
0, 5, 5, 1, 13940, 0x064c350a, F=0x0
0, 6, 6, 1, 14418, 0x078d2dd2, F=0x0
0, 7, 7, 1, 14539, 0x145167ed, F=0x0
0, 8, 8, 1, 2552, 0xcf2b1db7, F=0x2
1, 131072, 131072, 1764, 1764, 0x30be734d
1, 132836, 132836, 1764, 1764, 0xa4c873a7
1, 134600, 134600, 1764, 1764, 0xd5f17443