adpcm: Clip step_index values read from the bitstream at the beginning of each frame.

[ffmpeg] / libavcodec / idcinvideo.c

diff --git a/libavcodec/idcinvideo.c b/libavcodec/idcinvideo.c
index ac56e19442d5da4b4962fef019cdb848bbe420d1..e1b0e2e3e9ff2dfa9bcd37480f7b207bd9cd532e 100644 (file)
--- a/libavcodec/idcinvideo.c
+++ b/libavcodec/idcinvideo.c
@@ -36,7 +36,7 @@
  * a little more compression by exploiting the fact that adjacent pixels
  * tend to be similar.
  *
- * Note that this decoder could use ffmpeg's optimized VLC facilities
+ * Note that this decoder could use libavcodec's optimized VLC facilities
  * rather than naive, tree-based Huffman decoding. However, there are 256
  * Huffman tables. Plus, the VLC bit coding order is right -> left instead
  * or left -> right, so all of the bits would have to be reversed. Further,
@@ -254,15 +254,13 @@ static av_cold int idcin_decode_end(AVCodecContext *avctx)
 }
 
 AVCodec ff_idcin_decoder = {
-    "idcinvideo",
-    AVMEDIA_TYPE_VIDEO,
-    CODEC_ID_IDCIN,
-    sizeof(IdcinContext),
-    idcin_decode_init,
-    NULL,
-    idcin_decode_end,
-    idcin_decode_frame,
-    CODEC_CAP_DR1,
+    .name           = "idcinvideo",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = CODEC_ID_IDCIN,
+    .priv_data_size = sizeof(IdcinContext),
+    .init           = idcin_decode_init,
+    .close          = idcin_decode_end,
+    .decode         = idcin_decode_frame,
+    .capabilities   = CODEC_CAP_DR1,
     .long_name = NULL_IF_CONFIG_SMALL("id Quake II CIN video"),
 };
-