[libav-devel] [PATCH 043/124] mss4: convert to refcounted frames.

[Anton Khirnov]

---
 libavcodec/mss4.c |   18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/libavcodec/mss4.c b/libavcodec/mss4.c
index 7c714cb..99d27fc 100644
--- a/libavcodec/mss4.c
+++ b/libavcodec/mss4.c
@@ -29,6 +29,7 @@
 #include "bytestream.h"
 #include "dsputil.h"
 #include "get_bits.h"
+#include "internal.h"
 #include "mss34dsp.h"
 #include "unary.h"
 
@@ -554,11 +555,7 @@ static int mss4_decode_frame(AVCodecContext *avctx, void 
*data, int *got_frame,
         return AVERROR_INVALIDDATA;
     }
 
-    c->pic.reference    = 3;
-    c->pic.buffer_hints = FF_BUFFER_HINTS_VALID    |
-                          FF_BUFFER_HINTS_PRESERVE |
-                          FF_BUFFER_HINTS_REUSABLE;
-    if ((ret = avctx->reget_buffer(avctx, &c->pic)) < 0) {
+    if ((ret = ff_reget_buffer(avctx, &c->pic)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
         return ret;
     }
@@ -567,7 +564,8 @@ static int mss4_decode_frame(AVCodecContext *avctx, void 
*data, int *got_frame,
                                                    : AV_PICTURE_TYPE_P;
     if (frame_type == SKIP_FRAME) {
         *got_frame      = 1;
-        *(AVFrame*)data = c->pic;
+        if ((ret = av_frame_ref(data, &c->pic)) < 0)
+            return ret;
 
         return buf_size;
     }
@@ -623,8 +621,10 @@ static int mss4_decode_frame(AVCodecContext *avctx, void 
*data, int *got_frame,
         dst[2] += c->pic.linesize[2] * 16;
     }
 
+    if ((ret = av_frame_ref(data, &c->pic)) < 0)
+        return ret;
+
     *got_frame      = 1;
-    *(AVFrame*)data = c->pic;
 
     return buf_size;
 }
@@ -650,7 +650,6 @@ static av_cold int mss4_decode_init(AVCodecContext *avctx)
     }
 
     avctx->pix_fmt     = AV_PIX_FMT_YUV444P;
-    avctx->coded_frame = &c->pic;
 
     return 0;
 }
@@ -660,8 +659,7 @@ static av_cold int mss4_decode_end(AVCodecContext *avctx)
     MSS4Context * const c = avctx->priv_data;
     int i;
 
-    if (c->pic.data[0])
-        avctx->release_buffer(avctx, &c->pic);
+    av_frame_unref(&c->pic);
     for (i = 0; i < 3; i++)
         av_freep(&c->prev_dc[i]);
     mss4_free_vlcs(c);
-- 
1.7.10.4

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