Message ID | 20230601002659.9506-1-michael@niedermayer.cc |
---|---|
State | New |
Headers | show |
Series | [FFmpeg-devel,1/2] avcodec/lcldec: Make PNG filter addressing match the code afterwards | expand |
Context | Check | Description |
---|---|---|
yinshiyou/make_loongarch64 | success | Make finished |
yinshiyou/make_fate_loongarch64 | success | Make fate finished |
andriy/make_x86 | success | Make finished |
andriy/make_fate_x86 | success | Make fate finished |
On 5/31/2023 9:26 PM, Michael Niedermayer wrote: > Also update check accordingly > > Fixes: tickets/10237/mszh_306_306_yuv422_nocompress.avi > Fixes: tickets/10237/mszh_306_306_yuv411_nocompress.avi > > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavcodec/lcldec.c | 9 ++++++--- > 1 file changed, 6 insertions(+), 3 deletions(-) > > diff --git a/libavcodec/lcldec.c b/libavcodec/lcldec.c > index ed78d9d570..1c93378c4c 100644 > --- a/libavcodec/lcldec.c > +++ b/libavcodec/lcldec.c > @@ -231,16 +231,19 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, > break; > case COMP_MSZH_NOCOMP: { > int bppx2; > + int widtha = width; nit: aligned_width is clearer, imo. > switch (c->imgtype) { > case IMGTYPE_YUV111: > case IMGTYPE_RGB24: > bppx2 = 6; > break; > case IMGTYPE_YUV422: > + widtha &= ~3; > case IMGTYPE_YUV211: > bppx2 = 4; > break; > case IMGTYPE_YUV411: > + widtha &= ~3; > case IMGTYPE_YUV420: > bppx2 = 3; > break; > @@ -248,7 +251,7 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, > bppx2 = 0; // will error out below > break; > } > - if (len < ((width * height * bppx2) >> 1)) > + if (len < ((widtha * height * bppx2) >> 1)) > return AVERROR_INVALIDDATA; > break; > } > @@ -314,8 +317,8 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, > } > break; > case IMGTYPE_YUV422: > + pixel_ptr = 0; > for (row = 0; row < height; row++) { > - pixel_ptr = row * width * 2; > yq = uq = vq =0; > for (col = 0; col < width/4; col++) { > encoded[pixel_ptr] = yq -= encoded[pixel_ptr]; > @@ -331,8 +334,8 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, > } > break; > case IMGTYPE_YUV411: > + pixel_ptr = 0; > for (row = 0; row < height; row++) { > - pixel_ptr = row * width / 2 * 3; > yq = uq = vq =0; > for (col = 0; col < width/4; col++) { > encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
diff --git a/libavcodec/lcldec.c b/libavcodec/lcldec.c index ed78d9d570..1c93378c4c 100644 --- a/libavcodec/lcldec.c +++ b/libavcodec/lcldec.c @@ -231,16 +231,19 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, break; case COMP_MSZH_NOCOMP: { int bppx2; + int widtha = width; switch (c->imgtype) { case IMGTYPE_YUV111: case IMGTYPE_RGB24: bppx2 = 6; break; case IMGTYPE_YUV422: + widtha &= ~3; case IMGTYPE_YUV211: bppx2 = 4; break; case IMGTYPE_YUV411: + widtha &= ~3; case IMGTYPE_YUV420: bppx2 = 3; break; @@ -248,7 +251,7 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, bppx2 = 0; // will error out below break; } - if (len < ((width * height * bppx2) >> 1)) + if (len < ((widtha * height * bppx2) >> 1)) return AVERROR_INVALIDDATA; break; } @@ -314,8 +317,8 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, } break; case IMGTYPE_YUV422: + pixel_ptr = 0; for (row = 0; row < height; row++) { - pixel_ptr = row * width * 2; yq = uq = vq =0; for (col = 0; col < width/4; col++) { encoded[pixel_ptr] = yq -= encoded[pixel_ptr]; @@ -331,8 +334,8 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, } break; case IMGTYPE_YUV411: + pixel_ptr = 0; for (row = 0; row < height; row++) { - pixel_ptr = row * width / 2 * 3; yq = uq = vq =0; for (col = 0; col < width/4; col++) { encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
Also update check accordingly Fixes: tickets/10237/mszh_306_306_yuv422_nocompress.avi Fixes: tickets/10237/mszh_306_306_yuv411_nocompress.avi Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/lcldec.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)