mpegvideo: call av_frame_unref() instead of avcodec_get_frame_defaults().

[ffmpeg] / libavcodec / mjpegdec.c

diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index fdf7c87675d9d833d1fb2288cb79363cf07bd024..839d3c5f609859b79554a7ec9be20650e9661cfc 100644 (file)
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -84,8 +84,12 @@ av_cold int ff_mjpeg_decode_init(AVCodecContext *avctx)
 {
     MJpegDecodeContext *s = avctx->priv_data;
 
-    if (!s->picture_ptr)
-        s->picture_ptr = &s->picture;
+    if (!s->picture_ptr) {
+        s->picture = av_frame_alloc();
+        if (!s->picture)
+            return AVERROR(ENOMEM);
+        s->picture_ptr = s->picture;
+    }
 
     s->avctx = avctx;
     ff_hpeldsp_init(&s->hdsp, avctx->flags);
@@ -211,7 +215,7 @@ int ff_mjpeg_decode_dht(MJpegDecodeContext *s)
 
 int ff_mjpeg_decode_sof(MJpegDecodeContext *s)
 {
-    int len, nb_components, i, width, height, pix_fmt_id;
+    int len, nb_components, i, width, height, pix_fmt_id, ret;
 
     /* XXX: verify len field validity */
     len     = get_bits(&s->gb, 16);
@@ -309,7 +313,9 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s)
             height *= 2;
         }
 
-        avcodec_set_dimensions(s->avctx, width, height);
+        ret = ff_set_dimensions(s->avctx, width, height);
+        if (ret < 0)
+            return ret;
 
         s->first_picture = 0;
     }
@@ -1649,7 +1655,10 @@ av_cold int ff_mjpeg_decode_end(AVCodecContext *avctx)
     MJpegDecodeContext *s = avctx->priv_data;
     int i, j;
 
-    if (s->picture_ptr)
+    if (s->picture) {
+        av_frame_free(&s->picture);
+        s->picture_ptr = NULL;
+    } else if (s->picture_ptr)
         av_frame_unref(s->picture_ptr);
 
     av_free(s->buffer);