avcodec: Constify AVCodecs

[ffmpeg] / libavcodec / eacmv.c

diff --git a/libavcodec/eacmv.c b/libavcodec/eacmv.c
index bf4404ce4263531a53605a8cd259af3b635d5267..6c4a85214fb63ddaef3348bfc2ae7f4f70364974 100644 (file)
--- a/libavcodec/eacmv.c
+++ b/libavcodec/eacmv.c
@@ -50,11 +50,8 @@ static av_cold int cmv_decode_init(AVCodecContext *avctx){
 
     s->last_frame  = av_frame_alloc();
     s->last2_frame = av_frame_alloc();
-    if (!s->last_frame || !s->last2_frame) {
-        av_frame_free(&s->last_frame);
-        av_frame_free(&s->last2_frame);
+    if (!s->last_frame || !s->last2_frame)
         return AVERROR(ENOMEM);
-    }
 
     return 0;
 }
@@ -191,12 +188,12 @@ static int cmv_decode_frame(AVCodecContext *avctx,
         if (ret < 0)
             return ret;
         if (size > buf_end - buf - EA_PREAMBLE_SIZE)
-            return -1;
+            return AVERROR_INVALIDDATA;
         buf += size;
     }
 
-    if (av_image_check_size(s->width, s->height, 0, s->avctx))
-        return -1;
+    if ((ret = av_image_check_size(s->width, s->height, 0, s->avctx)) < 0)
+        return ret;
 
     if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0)
         return ret;
@@ -233,7 +230,7 @@ static av_cold int cmv_decode_end(AVCodecContext *avctx){
     return 0;
 }
 
-AVCodec ff_eacmv_decoder = {
+const AVCodec ff_eacmv_decoder = {
     .name           = "eacmv",
     .long_name      = NULL_IF_CONFIG_SMALL("Electronic Arts CMV video"),
     .type           = AVMEDIA_TYPE_VIDEO,
@@ -243,4 +240,5 @@ AVCodec ff_eacmv_decoder = {
     .close          = cmv_decode_end,
     .decode         = cmv_decode_frame,
     .capabilities   = AV_CODEC_CAP_DR1,
+    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
 };