lavc: add const to AVCodec* function parameters.

1 files changed, 6 insertions, 5 deletions

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 43a8f67934..b5b0466650 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -96,7 +96,8 @@ void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
 /* encoder management */
 static AVCodec *first_avcodec = NULL;
 
-AVCodec *av_codec_next(AVCodec *c){
+AVCodec *av_codec_next(const AVCodec *c)
+{
     if(c) return c->next;
     else  return first_avcodec;
 }
@@ -112,12 +113,12 @@ static void avcodec_init(void)
     ff_dsputil_static_init();
 }
 
-int av_codec_is_encoder(AVCodec *codec)
+int av_codec_is_encoder(const AVCodec *codec)
 {
     return codec && (codec->encode || codec->encode2);
 }
 
-int av_codec_is_decoder(AVCodec *codec)
+int av_codec_is_decoder(const AVCodec *codec)
 {
     return codec && codec->decode;
 }
@@ -627,7 +628,7 @@ AVFrame *avcodec_alloc_frame(void){
     return pic;
 }
 
-int attribute_align_arg avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVDictionary **options)
+int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
 {
     int ret = 0;
     AVDictionary *tmp = NULL;
@@ -1508,7 +1509,7 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
 {
     const char *codec_name;
     const char *profile = NULL;
-    AVCodec *p;
+    const AVCodec *p;
     char buf1[32];
     int bitrate;
     AVRational display_aspect_ratio;