diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index bb545651ae..639ecf343e 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -3648,6 +3648,7 @@ int avcodec_get_context_defaults3(AVCodecContext *s, const AVCodec *codec); */ const AVClass *avcodec_get_class(void); +#if FF_API_COPY_CONTEXT /** * Copy the settings of the source AVCodecContext into the destination * AVCodecContext. The resulting destination codec context will be @@ -3658,8 +3659,16 @@ const AVClass *avcodec_get_class(void); * avcodec_alloc_context3(), but otherwise uninitialized * @param src source codec context * @return AVERROR() on error (e.g. memory allocation error), 0 on success + * + * @deprecated The semantics of this function are ill-defined and it should not + * be used. If you need to transfer the stream parameters from one codec context + * to another, use an intermediate AVCodecParameters instance and the + * avcodec_parameters_from_context() / avcodec_parameters_to_context() + * functions. */ +attribute_deprecated int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src); +#endif /** * Allocate a new AVCodecParameters and set its fields to default values diff --git a/libavcodec/options.c b/libavcodec/options.c index 49c8aea030..50bacd3df8 100644 --- a/libavcodec/options.c +++ b/libavcodec/options.c @@ -155,6 +155,7 @@ void avcodec_free_context(AVCodecContext **pavctx) av_freep(pavctx); } +#if FF_API_COPY_CONTEXT int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src) { const AVCodec *orig_codec = dest->codec; @@ -225,6 +226,7 @@ fail: #endif return AVERROR(ENOMEM); } +#endif const AVClass *avcodec_get_class(void) { diff --git a/libavcodec/version.h b/libavcodec/version.h index db3f33a6e6..57006c9fc8 100644 --- a/libavcodec/version.h +++ b/libavcodec/version.h @@ -200,5 +200,8 @@ #ifndef FF_API_OLD_BSF #define FF_API_OLD_BSF (LIBAVCODEC_VERSION_MAJOR < 59) #endif +#ifndef FF_API_COPY_CONTEXT +#define FF_API_COPY_CONTEXT (LIBAVCODEC_VERSION_MAJOR < 59) +#endif #endif /* AVCODEC_VERSION_H */