lavc: remove the FF_API_SUBTITLE_OLD cruft.

libavcodec/avcodec.h

@@ -3785,15 +3785,6 @@ int avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
                          int *got_picture_ptr,
                          AVPacket *avpkt);
 
-#if FF_API_SUBTITLE_OLD
-/* Decode a subtitle message. Return -1 if error, otherwise return the
- * number of bytes used. If no subtitle could be decompressed,
- * got_sub_ptr is zero. Otherwise, the subtitle is stored in *sub. */
-attribute_deprecated int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
-                            int *got_sub_ptr,
-                            const uint8_t *buf, int buf_size);
-#endif
-
 /**
  * Decode a subtitle message.
  * Return a negative value on error, otherwise return the number of bytes used.

libavcodec/utils.c

@@ -692,20 +692,6 @@ int attribute_align_arg avcodec_decode_audio3(AVCodecContext *avctx, int16_t *sa
     return ret;
 }
 
-#if FF_API_SUBTITLE_OLD
-int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
-                            int *got_sub_ptr,
-                            const uint8_t *buf, int buf_size)
-{
-    AVPacket avpkt;
-    av_init_packet(&avpkt);
-    avpkt.data = buf;
-    avpkt.size = buf_size;
-
-    return avcodec_decode_subtitle2(avctx, sub, got_sub_ptr, &avpkt);
-}
-#endif
-
 int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
                             int *got_sub_ptr,
                             AVPacket *avpkt)

libavcodec/version.h

@@ -41,9 +41,6 @@
 #ifndef FF_API_PALETTE_CONTROL
 #define FF_API_PALETTE_CONTROL  (LIBAVCODEC_VERSION_MAJOR < 54)
 #endif
-#ifndef FF_API_SUBTITLE_OLD
-#define FF_API_SUBTITLE_OLD     (LIBAVCODEC_VERSION_MAJOR < 53)
-#endif
 #ifndef FF_API_USE_LPC
 #define FF_API_USE_LPC          (LIBAVCODEC_VERSION_MAJOR < 53)
 #endif