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authorAnton Khirnov <anton@khirnov.net>2015-04-12 21:08:34 +0200
committerAnton Khirnov <anton@khirnov.net>2015-04-29 05:52:58 +0200
commit7a4f74eed51f914e9bbfebaffd4a92ac6791f819 (patch)
tree3cadebcc17e8f835fd5e86b1234ce06da1432566 /libavcodec
parent88c612e3a4d5b584e2d9f6e2541de78d67bdfb9f (diff)
h264: embed the DPB in the context
It now has a fixed size and is initialized only once, so there is no point in allocating it separately.
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/h264.c15
-rw-r--r--libavcodec/h264.h2
2 files changed, 5 insertions, 12 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 20de3254a9..2756edb4fe 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -590,9 +590,6 @@ static int h264_init_context(AVCodecContext *avctx, H264Context *h)
return AVERROR(ENOMEM);
}
- h->DPB = av_mallocz_array(H264_MAX_PICTURE_COUNT, sizeof(*h->DPB));
- if (!h->DPB)
- return AVERROR(ENOMEM);
for (i = 0; i < H264_MAX_PICTURE_COUNT; i++)
av_frame_unref(&h->DPB[i].f);
av_frame_unref(&h->cur_pic.f);
@@ -1052,9 +1049,8 @@ static void flush_dpb(AVCodecContext *avctx)
ff_h264_flush_change(h);
- if (h->DPB)
- for (i = 0; i < H264_MAX_PICTURE_COUNT; i++)
- ff_h264_unref_picture(h, &h->DPB[i]);
+ for (i = 0; i < H264_MAX_PICTURE_COUNT; i++)
+ ff_h264_unref_picture(h, &h->DPB[i]);
h->cur_pic_ptr = NULL;
ff_h264_unref_picture(h, &h->cur_pic);
@@ -1698,11 +1694,8 @@ av_cold void ff_h264_free_context(H264Context *h)
ff_h264_free_tables(h);
- if (h->DPB) {
- for (i = 0; i < H264_MAX_PICTURE_COUNT; i++)
- ff_h264_unref_picture(h, &h->DPB[i]);
- av_freep(&h->DPB);
- }
+ for (i = 0; i < H264_MAX_PICTURE_COUNT; i++)
+ ff_h264_unref_picture(h, &h->DPB[i]);
h->cur_pic_ptr = NULL;
diff --git a/libavcodec/h264.h b/libavcodec/h264.h
index ca26e616ba..635c4a4db9 100644
--- a/libavcodec/h264.h
+++ b/libavcodec/h264.h
@@ -468,7 +468,7 @@ typedef struct H264Context {
H264QpelContext h264qpel;
GetBitContext gb;
- H264Picture *DPB;
+ H264Picture DPB[H264_MAX_PICTURE_COUNT];
H264Picture *cur_pic_ptr;
H264Picture cur_pic;