int log_level_offset;
enum AVMediaType codec_type; /* see AVMEDIA_TYPE_xxx */
- struct AVCodec *codec;
+ const struct AVCodec *codec;
char codec_name[32];
enum AVCodecID codec_id; /* see AV_CODEC_ID_xxx */
* if c is non-NULL, returns the next registered codec after c,
* or NULL if c is the last one.
*/
-AVCodec *av_codec_next(AVCodec *c);
+AVCodec *av_codec_next(const AVCodec *c);
/**
* Return the LIBAVCODEC_VERSION_INT constant.
* @return An AVCodecContext filled with default values or NULL on failure.
* @see avcodec_get_context_defaults
*/
-AVCodecContext *avcodec_alloc_context3(AVCodec *codec);
+AVCodecContext *avcodec_alloc_context3(const AVCodec *codec);
/**
* Set the fields of the given AVCodecContext to default values corresponding
* If codec is non-NULL, it is illegal to call avcodec_open2() with a
* different codec on this AVCodecContext.
*/
-int avcodec_get_context_defaults3(AVCodecContext *s, AVCodec *codec);
+int avcodec_get_context_defaults3(AVCodecContext *s, const AVCodec *codec);
/**
* Get the AVClass for AVCodecContext. It can be used in combination with
* @see avcodec_alloc_context3(), avcodec_find_decoder(), avcodec_find_encoder(),
* av_dict_set(), av_opt_find().
*/
-int avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVDictionary **options);
+int avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options);
/**
* Close a given AVCodecContext and free all the data associated with it
/**
* @return a non-zero number if codec is an encoder, zero otherwise
*/
-int av_codec_is_encoder(AVCodec *codec);
+int av_codec_is_encoder(const AVCodec *codec);
/**
* @return a non-zero number if codec is a decoder, zero otherwise
*/
-int av_codec_is_decoder(AVCodec *codec);
+int av_codec_is_decoder(const AVCodec *codec);
/**
* @return descriptor for given codec ID or NULL if no descriptor exists.
.child_class_next = codec_child_class_next,
};
-int avcodec_get_context_defaults3(AVCodecContext *s, AVCodec *codec){
+int avcodec_get_context_defaults3(AVCodecContext *s, const AVCodec *codec)
+{
memset(s, 0, sizeof(AVCodecContext));
s->av_class = &av_codec_context_class;
return 0;
}
-AVCodecContext *avcodec_alloc_context3(AVCodec *codec){
+AVCodecContext *avcodec_alloc_context3(const AVCodec *codec)
+{
AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
if(avctx==NULL) return NULL;
/* 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;
}
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;
}
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;
{
const char *codec_name;
const char *profile = NULL;
- AVCodec *p;
+ const AVCodec *p;
char buf1[32];
int bitrate;
AVRational display_aspect_ratio;