From: Stefano Sabatini <[email protected]>
width and height are per-frame properties, setting these values in
AVFrame simplify the operation of extraction of that information,
since avoids the need to check the codec/stream context.
---
libavcodec/avcodec.h | 7 +++++++
libavcodec/utils.c | 4 ++++
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 108e8b0..9cee89d 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -1265,6 +1265,13 @@ typedef struct AVFrame {
* - decoding: Read by user.
*/
AVRational sample_aspect_ratio;
+
+ /**
+ * width and height of the video frame
+ * - encoding: unused
+ * - decoding: Read by user.
+ */
+ int width, height;
} AVFrame;
struct AVCodecInternal;
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 1351445..27e1a6b 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -861,6 +861,10 @@ int attribute_align_arg
avcodec_decode_video2(AVCodecContext *avctx, AVFrame *pi
picture->pkt_dts= avpkt->dts;
if (!picture->sample_aspect_ratio.num)
picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
+ if (!picture->width)
+ picture->width = avctx->width;
+ if (!picture->height)
+ picture->height = avctx->height;
}
emms_c(); //needed to avoid an emms_c() call before every return;
--
1.7.7.3
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