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Code Issues Releases Activity

avcodec/av1dec,libdav1d,wbmpdec: Avoid direct access to GetByteContext

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-07-04 15:56:52 +02:00
parent 8872c0c39d
commit ed9c8e98cc
3 changed files with 4 additions and 3 deletions
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2
libavcodec/av1dec.c
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@@ -1019,7 +1019,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
if (provider_oriented_code != 0x800)
return 0; // ignore
ret = ff_dovi_rpu_parse(&s->dovi, gb.buffer, gb.buffer_end - gb.buffer,
ret = ff_dovi_rpu_parse(&s->dovi, gb.buffer, bytestream2_get_bytes_left(&gb),
avctx->err_recognition);
if (ret < 0) {
av_log(avctx, AV_LOG_WARNING, "Error parsing DOVI OBU.\n");

2
libavcodec/libdav1d.c
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@@ -444,7 +444,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
if (provider_oriented_code != 0x800)
return 0; // ignore
res = ff_dovi_rpu_parse(&dav1d->dovi, gb.buffer, gb.buffer_end - gb.buffer,
res = ff_dovi_rpu_parse(&dav1d->dovi, gb.buffer, bytestream2_get_bytes_left(&gb),
c->err_recognition);
if (res < 0) {
av_log(c, AV_LOG_WARNING, "Error parsing DOVI OBU.\n");

3
libavcodec/wbmpdec.c
View File

@@ -72,7 +72,8 @@ static int wbmp_decode_frame(AVCodecContext *avctx, AVFrame *p,
if (p->linesize[0] == (width + 7) / 8)
bytestream2_get_buffer(&gb, p->data[0], height * ((width + 7) / 8));
else
readbits(p->data[0], width, height, p->linesize[0], gb.buffer, gb.buffer_end - gb.buffer);
readbits(p->data[0], width, height, p->linesize[0],
gb.buffer, bytestream2_get_bytes_left(&gb));
*got_frame = 1;