[libav-devel] [PATCH 042/124] mss3: convert to refcounted frames.

[Anton Khirnov]

---
 libavcodec/mss3.c |   17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/libavcodec/mss3.c b/libavcodec/mss3.c
index 689daee..fa5b99c 100644
--- a/libavcodec/mss3.c
+++ b/libavcodec/mss3.c
@@ -27,6 +27,7 @@
 #include "avcodec.h"
 #include "bytestream.h"
 #include "dsputil.h"
+#include "internal.h"
 #include "mss34dsp.h"
 
 #define HEADER_SIZE 27
@@ -730,18 +731,16 @@ static int mss3_decode_frame(AVCodecContext *avctx, void 
*data, int *got_frame,
         return buf_size;
     c->got_error = 0;
 
-    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;
     }
     c->pic.key_frame = keyframe;
     c->pic.pict_type = keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
     if (!bytestream2_get_bytes_left(&gb)) {
+        if ((ret = av_frame_ref(data, &c->pic)) < 0)
+            return ret;
         *got_frame      = 1;
-        *(AVFrame*)data = c->pic;
 
         return buf_size;
     }
@@ -798,8 +797,10 @@ static int mss3_decode_frame(AVCodecContext *avctx, void 
*data, int *got_frame,
         dst[2] += c->pic.linesize[2] * 8;
     }
 
+    if ((ret = av_frame_ref(data, &c->pic)) < 0)
+        return ret;
+
     *got_frame      = 1;
-    *(AVFrame*)data = c->pic;
 
     return buf_size;
 }
@@ -836,7 +837,6 @@ static av_cold int mss3_decode_init(AVCodecContext *avctx)
     }
 
     avctx->pix_fmt     = AV_PIX_FMT_YUV420P;
-    avctx->coded_frame = &c->pic;
 
     init_coders(c);
 
@@ -848,8 +848,7 @@ static av_cold int mss3_decode_end(AVCodecContext *avctx)
     MSS3Context * 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->dct_coder[i].prev_dc);
 
-- 
1.7.10.4

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