1 files changed, 20 insertions, 36 deletions

diff --git a/libavcodec/vda_h264.c b/libavcodec/vda_h264.c
index b50a4c99a4..254268f558 100644
--- a/libavcodec/vda_h264.c
+++ b/libavcodec/vda_h264.c
@@ -1,49 +1,38 @@
 /*
- * VDA H.264 hardware acceleration
+ * VDA H264 HW acceleration.
  *
  * copyright (c) 2011 Sebastien Zwickert
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include "h264.h"
-#include "h264data.h"
-
 #include "vda_internal.h"
 
-/* This structure is used to store the bitstream of the current frame. */
-struct vda_picture_context {
-    uint8_t *bitstream;
-    int      bitstream_size;
-};
-
 static int start_frame(AVCodecContext *avctx,
                        av_unused const uint8_t *buffer,
                        av_unused uint32_t size)
 {
-    const H264Context *h                = avctx->priv_data;
-    struct vda_context *vda_ctx         = avctx->hwaccel_context;
-    struct vda_picture_context *pic_ctx = h->s.current_picture_ptr->f.hwaccel_picture_private;
+    struct vda_context *vda_ctx = avctx->hwaccel_context;
 
     if (!vda_ctx->decoder)
         return -1;
 
-    pic_ctx->bitstream      = NULL;
-    pic_ctx->bitstream_size = 0;
+    vda_ctx->bitstream_size = 0;
 
     return 0;
 }
@@ -52,48 +41,43 @@ static int decode_slice(AVCodecContext *avctx,
                         const uint8_t *buffer,
                         uint32_t size)
 {
-    H264Context *h                      = avctx->priv_data;
-    struct vda_context *vda_ctx         = avctx->hwaccel_context;
-    struct vda_picture_context *pic_ctx = h->s.current_picture_ptr->f.hwaccel_picture_private;
+    struct vda_context *vda_ctx = avctx->hwaccel_context;
     void *tmp;
 
     if (!vda_ctx->decoder)
         return -1;
 
-    tmp = av_realloc(pic_ctx->bitstream, pic_ctx->bitstream_size+size+4);
+    tmp = av_fast_realloc(vda_ctx->bitstream, &vda_ctx->ref_size, vda_ctx->bitstream_size+size+4);
     if (!tmp)
         return AVERROR(ENOMEM);
 
-    pic_ctx->bitstream = tmp;
+    vda_ctx->bitstream = tmp;
 
-    AV_WB32(pic_ctx->bitstream + pic_ctx->bitstream_size, size);
-    memcpy(pic_ctx->bitstream + pic_ctx->bitstream_size + 4, buffer, size);
+    AV_WB32(vda_ctx->bitstream+vda_ctx->bitstream_size, size);
+    memcpy(vda_ctx->bitstream+vda_ctx->bitstream_size+4, buffer, size);
 
-    pic_ctx->bitstream_size += size + 4;
+    vda_ctx->bitstream_size += size + 4;
 
     return 0;
 }
 
 static int end_frame(AVCodecContext *avctx)
 {
-    H264Context *h                      = avctx->priv_data;
-    struct vda_context *vda_ctx         = avctx->hwaccel_context;
-    struct vda_picture_context *pic_ctx = h->s.current_picture_ptr->f.hwaccel_picture_private;
-    AVFrame *frame                      = &h->s.current_picture_ptr->f;
+    H264Context *h = avctx->priv_data;
+    struct vda_context *vda_ctx = avctx->hwaccel_context;
+    AVFrame *frame = &h->s.current_picture_ptr->f;
     int status;
 
-    if (!vda_ctx->decoder || !pic_ctx->bitstream)
+    if (!vda_ctx->decoder || !vda_ctx->bitstream)
         return -1;
 
-    status = ff_vda_decoder_decode(vda_ctx, pic_ctx->bitstream,
-                                   pic_ctx->bitstream_size,
+    status = ff_vda_decoder_decode(vda_ctx, vda_ctx->bitstream,
+                                   vda_ctx->bitstream_size,
                                    frame->reordered_opaque);
 
     if (status)
         av_log(avctx, AV_LOG_ERROR, "Failed to decode frame (%d)\n", status);
 
-    av_freep(&pic_ctx->bitstream);
-
     return status;
 }
 
@@ -105,5 +89,5 @@ AVHWAccel ff_h264_vda_hwaccel = {
     .start_frame    = start_frame,
     .decode_slice   = decode_slice,
     .end_frame      = end_frame,
-    .priv_data_size = sizeof(struct vda_picture_context),
+    .priv_data_size = 0,
 };