avformat: deprecate another ffserver API leftover

doc/APIchanges

@@ -15,6 +15,10 @@ libavutil:     2017-10-21
 
 API changes, most recent first:
 
+2018-01-xx - xxxxxxx - lavf 58.4.100 - avformat.h
+  Deprecate AVStream.recommended_encoder_configuration. It was useful only for
+  FFserver, which has been removed.
+
 2018-01-xx - xxxxxxx - lavfi 7.11.101 - avfilter.h
   Deprecate avfilter_link_get_channels(). Use av_buffersink_get_channels().
 

libavformat/avformat.h

@@ -986,12 +986,15 @@ typedef struct AVStream {
      */
     AVRational r_frame_rate;
 
+#if FF_API_LAVF_FFSERVER
     /**
      * String containing pairs of key and values describing recommended encoder configuration.
      * Pairs are separated by ','.
      * Keys are separated from values by '='.
      */
+    attribute_deprecated
     char *recommended_encoder_configuration;
+#endif
 
     /**
      * Codec parameters associated with this stream. Allocated and freed by
@@ -1218,10 +1221,12 @@ AVRational av_stream_get_r_frame_rate(const AVStream *s);
 attribute_deprecated
 void       av_stream_set_r_frame_rate(AVStream *s, AVRational r);
 attribute_deprecated
+#if FF_API_LAVF_FFSERVER
 char* av_stream_get_recommended_encoder_configuration(const AVStream *s);
 attribute_deprecated
 void  av_stream_set_recommended_encoder_configuration(AVStream *s, char *configuration);
 #endif
+#endif
 
 struct AVCodecParserContext *av_stream_get_parser(const AVStream *s);
 

libavformat/utils.c

@@ -119,7 +119,11 @@ static int64_t wrap_timestamp(const AVStream *st, int64_t timestamp)
 
 #if FF_API_FORMAT_GET_SET
 MAKE_ACCESSORS(AVStream, stream, AVRational, r_frame_rate)
+#if FF_API_LAVF_FFSERVER
+FF_DISABLE_DEPRECATION_WARNINGS
 MAKE_ACCESSORS(AVStream, stream, char *, recommended_encoder_configuration)
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
 MAKE_ACCESSORS(AVFormatContext, format, AVCodec *, video_codec)
 MAKE_ACCESSORS(AVFormatContext, format, AVCodec *, audio_codec)
 MAKE_ACCESSORS(AVFormatContext, format, AVCodec *, subtitle_codec)
@@ -4256,6 +4260,8 @@ int ff_stream_encode_params_copy(AVStream *dst, const AVStream *src)
         }
     }
 
+#if FF_API_LAVF_FFSERVER
+FF_DISABLE_DEPRECATION_WARNINGS
     av_freep(&dst->recommended_encoder_configuration);
     if (src->recommended_encoder_configuration) {
         const char *conf_str = src->recommended_encoder_configuration;
@@ -4263,6 +4269,8 @@ int ff_stream_encode_params_copy(AVStream *dst, const AVStream *src)
         if (!dst->recommended_encoder_configuration)
             return AVERROR(ENOMEM);
     }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
 
     return 0;
 }
@@ -4310,7 +4318,11 @@ FF_ENABLE_DEPRECATION_WARNINGS
     if (st->info)
         av_freep(&st->info->duration_error);
     av_freep(&st->info);
+#if FF_API_LAVF_FFSERVER
+FF_DISABLE_DEPRECATION_WARNINGS
     av_freep(&st->recommended_encoder_configuration);
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
 
     av_freep(pst);
 }

libavformat/version.h

@@ -32,7 +32,7 @@
 // Major bumping may affect Ticket5467, 5421, 5451(compatibility with Chromium)
 // Also please add any ticket numbers that you believe might be affected here
 #define LIBAVFORMAT_VERSION_MAJOR  58
-#define LIBAVFORMAT_VERSION_MINOR   3
+#define LIBAVFORMAT_VERSION_MINOR   4
 #define LIBAVFORMAT_VERSION_MICRO 100
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
@@ -82,6 +82,9 @@
 #ifndef FF_API_OLD_AVIO_EOF_0
 #define FF_API_OLD_AVIO_EOF_0           (LIBAVFORMAT_VERSION_MAJOR < 59)
 #endif
+#ifndef FF_API_LAVF_FFSERVER
+#define FF_API_LAVF_FFSERVER            (LIBAVFORMAT_VERSION_MAJOR < 59)
+#endif
 
 
 #ifndef FF_API_R_FRAME_RATE