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ffmpeg.wasm-core
Commit 0accf24b authored by Michael Niedermayer's avatar Michael Niedermayer
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cavsdec: fix qp fixed slice handling 

Fixes Ticket3400
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 52e563bb
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Showing with 3 additions and 1 deletion
libavcodec/cavs.h
View file @ 0accf24b
...@@ -214,6 +214,7 @@ typedef struct AVSContext { ...@@ -214,6 +214,7 @@ typedef struct AVSContext {
int luma_scan[4]; int luma_scan[4];
int qp; int qp;
int qp_fixed; int qp_fixed;
int pic_qp_fixed;
int cbp; int cbp;
ScanTable scantable; ScanTable scantable;
......
libavcodec/cavsdec.c
View file @ 0accf24b
...@@ -904,7 +904,7 @@ static inline int decode_slice_header(AVSContext *h, GetBitContext *gb) ...@@ -904,7 +904,7 @@ static inline int decode_slice_header(AVSContext *h, GetBitContext *gb)
/* mark top macroblocks as unavailable */ /* mark top macroblocks as unavailable */
h->flags &= ~(B_AVAIL | C_AVAIL); h->flags &= ~(B_AVAIL | C_AVAIL);
if ((h->mby == 0) && (!h->qp_fixed)) { if (!h->pic_qp_fixed) {
h->qp_fixed = get_bits1(gb); h->qp_fixed = get_bits1(gb);
h->qp = get_bits(gb, 6); h->qp = get_bits(gb, 6);
} }
...@@ -1027,6 +1027,7 @@ static int decode_pic(AVSContext *h) ...@@ -1027,6 +1027,7 @@ static int decode_pic(AVSContext *h)
skip_bits1(&h->gb); //advanced_pred_mode_disable skip_bits1(&h->gb); //advanced_pred_mode_disable
skip_bits1(&h->gb); //top_field_first skip_bits1(&h->gb); //top_field_first
skip_bits1(&h->gb); //repeat_first_field skip_bits1(&h->gb); //repeat_first_field
h->pic_qp_fixed =
h->qp_fixed = get_bits1(&h->gb); h->qp_fixed = get_bits1(&h->gb);
h->qp = get_bits(&h->gb, 6); h->qp = get_bits(&h->gb, 6);
if (h->cur.f->pict_type == AV_PICTURE_TYPE_I) { if (h->cur.f->pict_type == AV_PICTURE_TYPE_I) {
......
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