add LAVF_API_OLD_METADATA define to disable the deprecated metadata API

Originally committed as revision 24818 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/avformat.h

@@ -38,6 +38,9 @@
 #ifndef LAVF_API_MAX_STREAMS
 #define LAVF_API_MAX_STREAMS  (LIBAVFORMAT_VERSION_MAJOR < 53)
 #endif
+#ifndef LAVF_API_OLD_METADATA
+#define LAVF_API_OLD_METADATA (LIBAVFORMAT_VERSION_MAJOR < 53)
+#endif
 
 /**
  * I return the LIBAVFORMAT_VERSION_INT constant.  You got
@@ -144,7 +147,7 @@ typedef struct AVMetadataConv AVMetadataConv;
 AVMetadataTag *
 av_metadata_get(AVMetadata *m, const char *key, const AVMetadataTag *prev, int flags);
 
-#if LIBAVFORMAT_VERSION_MAJOR == 52
+#if LAVF_API_OLD_METADATA
 /**
  * Set the given tag in *pm, overwriting an existing tag.
  *
@@ -520,7 +523,7 @@ typedef struct AVStream {
      */
     int64_t duration;
 
-#if LIBAVFORMAT_VERSION_INT < (53<<16)
+#if LAVF_API_OLD_METADATA
     char language[4]; /**< ISO 639-2/B 3-letter language code (empty string if undefined) */
 #endif
 
@@ -541,7 +544,9 @@ typedef struct AVStream {
 
 #if LIBAVFORMAT_VERSION_INT < (53<<16)
     int64_t unused[4+1];
+#endif
 
+#if LAVF_API_OLD_METADATA
     char *filename; /**< source filename of the stream */
 #endif
 
@@ -610,7 +615,7 @@ typedef struct AVStream {
  */
 typedef struct AVProgram {
     int            id;
-#if LIBAVFORMAT_VERSION_INT < (53<<16)
+#if LAVF_API_OLD_METADATA
     char           *provider_name; ///< network name for DVB streams
     char           *name;          ///< service name for DVB streams
 #endif
@@ -628,7 +633,7 @@ typedef struct AVChapter {
     int id;                 ///< unique ID to identify the chapter
     AVRational time_base;   ///< time base in which the start/end timestamps are specified
     int64_t start, end;     ///< chapter start/end time in time_base units
-#if LIBAVFORMAT_VERSION_INT < (53<<16)
+#if LAVF_API_OLD_METADATA
     char *title;            ///< chapter title
 #endif
     AVMetadata *metadata;
@@ -657,7 +662,7 @@ typedef struct AVFormatContext {
     char filename[1024]; /**< input or output filename */
     /* stream info */
     int64_t timestamp;
-#if LIBAVFORMAT_VERSION_INT < (53<<16)
+#if LAVF_API_OLD_METADATA
     char title[512];
     char author[512];
     char copyright[512];

libavformat/metadata.c

@@ -86,7 +86,7 @@ int av_metadata_set2(AVMetadata **pm, const char *key, const char *value, int fl
     return 0;
 }
 
-#if LIBAVFORMAT_VERSION_MAJOR == 52
+#if LAVF_API_OLD_METADATA
 int av_metadata_set(AVMetadata **pm, const char *key, const char *value)
 {
     return av_metadata_set2(pm, key, value, 0);

libavformat/metadata.h

@@ -40,7 +40,7 @@ struct AVMetadataConv{
     const char *generic;
 };
 
-#if LIBAVFORMAT_VERSION_MAJOR < 53
+#if LAVF_API_OLD_METADATA
 void ff_metadata_demux_compat(AVFormatContext *s);
 void ff_metadata_mux_compat(AVFormatContext *s);
 #endif

libavformat/metadata_compat.c

@@ -23,7 +23,7 @@
 #include "metadata.h"
 #include "libavutil/avstring.h"
 
-#if LIBAVFORMAT_VERSION_MAJOR < 53
+#if LAVF_API_OLD_METADATA
 
 #define SIZE_OFFSET(x) sizeof(((AVFormatContext*)0)->x),offsetof(AVFormatContext,x)
 
@@ -145,4 +145,4 @@ void ff_metadata_mux_compat(AVFormatContext *ctx)
     }
 }
 
-#endif /* LIBAVFORMAT_VERSION_MAJOR < 53 */
+#endif /* LAVF_API_OLD_METADATA */

libavformat/options.c

@@ -50,7 +50,7 @@ static const AVOption options[]={
 {"noparse", "disable AVParsers, this needs nofillin too", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_NOPARSE, INT_MIN, INT_MAX, D, "fflags"},
 {"igndts", "ignore dts", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_IGNDTS, INT_MIN, INT_MAX, D, "fflags"},
 {"rtphint", "add rtp hinting", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_RTP_HINT, INT_MIN, INT_MAX, E, "fflags"},
-#if LIBAVFORMAT_VERSION_INT < (53<<16)
+#if LAVF_API_OLD_METADATA
 {"track", " set the track number", OFFSET(track), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, E},
 {"year", "set the year", OFFSET(year), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, E},
 #endif

libavformat/utils.c

@@ -457,7 +457,7 @@ int av_open_input_stream(AVFormatContext **ic_ptr,
     if (pb && !ic->data_offset)
         ic->data_offset = url_ftell(ic->pb);
 
-#if LIBAVFORMAT_VERSION_MAJOR < 53
+#if LAVF_API_OLD_METADATA
     ff_metadata_demux_compat(ic);
 #endif
 
@@ -2460,14 +2460,14 @@ void av_close_input_stream(AVFormatContext *s)
         av_free(st->index_entries);
         av_free(st->codec->extradata);
         av_free(st->codec);
-#if LIBAVFORMAT_VERSION_INT < (53<<16)
+#if LAVF_API_OLD_METADATA
         av_free(st->filename);
 #endif
         av_free(st->priv_data);
         av_free(st);
     }
     for(i=s->nb_programs-1; i>=0; i--) {
-#if LIBAVFORMAT_VERSION_INT < (53<<16)
+#if LAVF_API_OLD_METADATA
         av_freep(&s->programs[i]->provider_name);
         av_freep(&s->programs[i]->name);
 #endif
@@ -2479,7 +2479,7 @@ void av_close_input_stream(AVFormatContext *s)
     flush_packet_queue(s);
     av_freep(&s->priv_data);
     while(s->nb_chapters--) {
-#if LIBAVFORMAT_VERSION_INT < (53<<16)
+#if LAVF_API_OLD_METADATA
         av_free(s->chapters[s->nb_chapters]->title);
 #endif
         av_metadata_free(&s->chapters[s->nb_chapters]->metadata);
@@ -2582,7 +2582,7 @@ AVChapter *ff_new_chapter(AVFormatContext *s, int id, AVRational time_base, int6
             return NULL;
         dynarray_add(&s->chapters, &s->nb_chapters, chapter);
     }
-#if LIBAVFORMAT_VERSION_INT < (53<<16)
+#if LAVF_API_OLD_METADATA
     av_free(chapter->title);
 #endif
     av_metadata_set2(&chapter->metadata, "title", title, 0);
@@ -2718,7 +2718,7 @@ int av_write_header(AVFormatContext *s)
             return AVERROR(ENOMEM);
     }
 
-#if LIBAVFORMAT_VERSION_MAJOR < 53
+#if LAVF_API_OLD_METADATA
     ff_metadata_mux_compat(s);
 #endif