lavc: remove dead FF_API_AVCODEC_OPEN API

libavcodec/avcodec.h

@@ -3358,40 +3358,6 @@ void avcodec_get_frame_defaults(AVFrame *frame);
  */
 void avcodec_free_frame(AVFrame **frame);
 
-#if FF_API_AVCODEC_OPEN
-/**
- * Initialize the AVCodecContext to use the given AVCodec. Prior to using this
- * function the context has to be allocated.
- *
- * The functions avcodec_find_decoder_by_name(), avcodec_find_encoder_by_name(),
- * avcodec_find_decoder() and avcodec_find_encoder() provide an easy way for
- * retrieving a codec.
- *
- * @warning This function is not thread safe!
- *
- * @code
- * avcodec_register_all();
- * codec = avcodec_find_decoder(AV_CODEC_ID_H264);
- * if (!codec)
- *     exit(1);
- *
- * context = avcodec_alloc_context3(codec);
- *
- * if (avcodec_open(context, codec) < 0)
- *     exit(1);
- * @endcode
- *
- * @param avctx The context which will be set up to use the given codec.
- * @param codec The codec to use within the context.
- * @return zero on success, a negative value on error
- * @see avcodec_alloc_context3, avcodec_find_decoder, avcodec_find_encoder, avcodec_close
- *
- * @deprecated use avcodec_open2
- */
-attribute_deprecated
-int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
-#endif
-
 /**
  * Initialize the AVCodecContext to use the given AVCodec. Prior to using this
  * function the context has to be allocated with avcodec_alloc_context3().

libavcodec/utils.c

@@ -1149,13 +1149,6 @@ static int get_bit_rate(AVCodecContext *ctx)
     return bit_rate;
 }
 
-#if FF_API_AVCODEC_OPEN
-int attribute_align_arg avcodec_open(AVCodecContext *avctx, AVCodec *codec)
-{
-    return avcodec_open2(avctx, codec, NULL);
-}
-#endif
-
 int attribute_align_arg ff_codec_open2_recursive(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
 {
     int ret = 0;

libavcodec/version.h

@@ -51,9 +51,6 @@
 #ifndef FF_API_REQUEST_CHANNELS
 #define FF_API_REQUEST_CHANNELS (LIBAVCODEC_VERSION_MAJOR < 56)
 #endif
-#ifndef FF_API_AVCODEC_OPEN
-#define FF_API_AVCODEC_OPEN     (LIBAVCODEC_VERSION_MAJOR < 55)
-#endif
 #ifndef FF_API_OLD_DECODE_AUDIO
 #define FF_API_OLD_DECODE_AUDIO (LIBAVCODEC_VERSION_MAJOR < 56)
 #endif