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-rw-r--r--libavcodec/h264_slice.c20
-rw-r--r--libavcodec/h264dec.c3
-rw-r--r--libavcodec/h264dec.h5
3 files changed, 21 insertions, 7 deletions
diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index acf6a73f60..a7916e09ce 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -378,6 +378,8 @@ int ff_h264_update_thread_context(AVCodecContext *dst,
h->avctx->coded_width = h1->avctx->coded_width;
h->avctx->width = h1->avctx->width;
h->avctx->height = h1->avctx->height;
+ h->width_from_caller = h1->width_from_caller;
+ h->height_from_caller = h1->height_from_caller;
h->coded_picture_number = h1->coded_picture_number;
h->first_field = h1->first_field;
h->picture_structure = h1->picture_structure;
@@ -874,13 +876,17 @@ static int init_dimensions(H264Context *h)
av_assert0(sps->crop_top + sps->crop_bottom < (unsigned)h->height);
/* handle container cropping */
- if (FFALIGN(h->avctx->width, 16) == FFALIGN(width, 16) &&
- FFALIGN(h->avctx->height, 16) == FFALIGN(height, 16) &&
- h->avctx->width <= width &&
- h->avctx->height <= height
- ) {
- width = h->avctx->width;
- height = h->avctx->height;
+ if (h->width_from_caller > 0 && h->height_from_caller > 0 &&
+ !sps->crop_top && !sps->crop_left &&
+ FFALIGN(h->width_from_caller, 16) == FFALIGN(width, 16) &&
+ FFALIGN(h->height_from_caller, 16) == FFALIGN(height, 16) &&
+ h->width_from_caller <= width &&
+ h->height_from_caller <= height) {
+ width = h->width_from_caller;
+ height = h->height_from_caller;
+ } else {
+ h->width_from_caller = 0;
+ h->height_from_caller = 0;
}
h->avctx->coded_width = h->width;
diff --git a/libavcodec/h264dec.c b/libavcodec/h264dec.c
index 35ab51f616..a8d07df1e7 100644
--- a/libavcodec/h264dec.c
+++ b/libavcodec/h264dec.c
@@ -309,6 +309,9 @@ static int h264_init_context(AVCodecContext *avctx, H264Context *h)
h->avctx = avctx;
h->cur_chroma_format_idc = -1;
+ h->width_from_caller = avctx->width;
+ h->height_from_caller = avctx->height;
+
h->picture_structure = PICT_FRAME;
h->workaround_bugs = avctx->workaround_bugs;
h->flags = avctx->flags;
diff --git a/libavcodec/h264dec.h b/libavcodec/h264dec.h
index 1c0dfbf7f7..5e03d55558 100644
--- a/libavcodec/h264dec.h
+++ b/libavcodec/h264dec.h
@@ -534,6 +534,11 @@ typedef struct H264Context {
int cur_bit_depth_luma;
int16_t slice_row[MAX_SLICES]; ///< to detect when MAX_SLICES is too low
+ /* original AVCodecContext dimensions, used to handle container
+ * cropping */
+ int width_from_caller;
+ int height_from_caller;
+
int enable_er;
H264SEIContext sei;