check validity of pointer srcC

[ffmpeg] / libavcodec / mimic.c

diff --git a/libavcodec/mimic.c b/libavcodec/mimic.c
index bbb92299c9f6c8682be0882878223938f6072beb..e30b682e69a0fed85365b1b26904140464c1f7fc 100644 (file)
--- a/libavcodec/mimic.c
+++ b/libavcodec/mimic.c
@@ -110,7 +110,7 @@ static av_cold int mimic_decode_init(AVCodecContext *avctx)
     ctx->prev_index = 0;
     ctx->cur_index = 15;
 
-    if(init_vlc(&ctx->vlc, 11, sizeof(huffbits)/sizeof(huffbits[0]),
+    if(init_vlc(&ctx->vlc, 11, FF_ARRAY_ELEMS(huffbits),
                  huffbits, 1, 1, huffcodes, 4, 4, 0)) {
         av_log(avctx, AV_LOG_ERROR, "error initializing vlc table\n");
         return -1;
@@ -163,7 +163,7 @@ static int vlc_decode_block(MimicContext *ctx, int num_coeffs, int qscale)
     DCTELEM *block = ctx->dct_block;
     unsigned int pos;
 
-    memset(block, 0, 64 * sizeof(DCTELEM));
+    ctx->dsp.clear_block(block);
 
     block[0] = get_bits(&ctx->gb, 8) << 3;
 
@@ -386,5 +386,5 @@ AVCodec mimic_decoder = {
     mimic_decode_end,
     mimic_decode_frame,
     CODEC_CAP_DR1,
-    .long_name = "Mimic",
+    .long_name = NULL_IF_CONFIG_SMALL("Mimic"),
 };