[FFmpeg-cvslog] lavf: reorder AVInput/OutputFormat fields.
Anton Khirnov
git at videolan.org
Wed Feb 1 03:06:31 CET 2012
ffmpeg | branch: master | Anton Khirnov <anton at khirnov.net> | Fri Jan 27 12:29:37 2012 +0100| [183eaa9a2525de485fe2e0e9e39671665ffc6df2] | committer: Anton Khirnov
lavf: reorder AVInput/OutputFormat fields.
Put all private fields at the end and mark them as such so they can be
easily changed/removed.
This breaks ABI.
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=183eaa9a2525de485fe2e0e9e39671665ffc6df2
---
libavformat/avformat.h | 110 ++++++++++++++++++++++++++---------------------
1 files changed, 61 insertions(+), 49 deletions(-)
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index a78c1e3..09b78a9 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -309,13 +309,39 @@ typedef struct AVOutputFormat {
const char *long_name;
const char *mime_type;
const char *extensions; /**< comma-separated filename extensions */
+ /* output support */
+ enum CodecID audio_codec; /**< default audio codec */
+ enum CodecID video_codec; /**< default video codec */
+ enum CodecID subtitle_codec; /**< default subtitle codec */
+ /**
+ * can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER, AVFMT_RAWPICTURE,
+ * AVFMT_GLOBALHEADER, AVFMT_NOTIMESTAMPS, AVFMT_VARIABLE_FPS,
+ * AVFMT_NODIMENSIONS, AVFMT_NOSTREAMS, AVFMT_ALLOW_FLUSH
+ */
+ int flags;
+
+ /**
+ * List of supported codec_id-codec_tag pairs, ordered by "better
+ * choice first". The arrays are all terminated by CODEC_ID_NONE.
+ */
+ const struct AVCodecTag * const *codec_tag;
+
+
+ const AVClass *priv_class; ///< AVClass for the private context
+
+ /*****************************************************************
+ * No fields below this line are part of the public API. They
+ * may not be used outside of libavformat and can be changed and
+ * removed at will.
+ * New public fields should be added right above.
+ *****************************************************************
+ */
+ struct AVOutputFormat *next;
/**
* size of private data so that it can be allocated in the wrapper
*/
int priv_data_size;
- /* output support */
- enum CodecID audio_codec; /**< default audio codec */
- enum CodecID video_codec; /**< default video codec */
+
int (*write_header)(struct AVFormatContext *);
/**
* Write a packet. If AVFMT_ALLOW_FLUSH is set in flags,
@@ -327,27 +353,10 @@ typedef struct AVOutputFormat {
int (*write_packet)(struct AVFormatContext *, AVPacket *pkt);
int (*write_trailer)(struct AVFormatContext *);
/**
- * can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER, AVFMT_RAWPICTURE,
- * AVFMT_GLOBALHEADER, AVFMT_NOTIMESTAMPS, AVFMT_VARIABLE_FPS,
- * AVFMT_NODIMENSIONS, AVFMT_NOSTREAMS, AVFMT_ALLOW_FLUSH
- */
- int flags;
- /**
* Currently only used to set pixel format if not YUV420P.
*/
int (*interleave_packet)(struct AVFormatContext *, AVPacket *out,
AVPacket *in, int flush);
-
- /**
- * List of supported codec_id-codec_tag pairs, ordered by "better
- * choice first". The arrays are all terminated by CODEC_ID_NONE.
- */
- const struct AVCodecTag * const *codec_tag;
-
- enum CodecID subtitle_codec; /**< default subtitle codec */
-
- const AVClass *priv_class; ///< AVClass for the private context
-
/**
* Test if the given codec can be stored in this container.
*
@@ -355,9 +364,6 @@ typedef struct AVOutputFormat {
* A negative number if unknown.
*/
int (*query_codec)(enum CodecID id, int std_compliance);
-
- /* private fields */
- struct AVOutputFormat *next;
} AVOutputFormat;
/**
* @}
@@ -382,6 +388,38 @@ typedef struct AVInputFormat {
const char *long_name;
/**
+ * Can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER, AVFMT_SHOW_IDS,
+ * AVFMT_GENERIC_INDEX, AVFMT_TS_DISCONT, AVFMT_NOBINSEARCH,
+ * AVFMT_NOGENSEARCH, AVFMT_NO_BYTE_SEEK.
+ */
+ int flags;
+
+ /**
+ * If extensions are defined, then no probe is done. You should
+ * usually not use extension format guessing because it is not
+ * reliable enough
+ */
+ const char *extensions;
+
+ const struct AVCodecTag * const *codec_tag;
+
+ const AVClass *priv_class; ///< AVClass for the private context
+
+ /*****************************************************************
+ * No fields below this line are part of the public API. They
+ * may not be used outside of libavformat and can be changed and
+ * removed at will.
+ * New public fields should be added right above.
+ *****************************************************************
+ */
+ struct AVInputFormat *next;
+
+ /**
+ * General purpose read-only value that the format can use.
+ */
+ int value;
+
+ /**
* Size of private data so that it can be allocated in the wrapper.
*/
int priv_data_size;
@@ -437,25 +475,6 @@ typedef struct AVInputFormat {
int64_t *pos, int64_t pos_limit);
/**
- * Can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER, AVFMT_SHOW_IDS,
- * AVFMT_GENERIC_INDEX, AVFMT_TS_DISCONT, AVFMT_NOBINSEARCH,
- * AVFMT_NOGENSEARCH, AVFMT_NO_BYTE_SEEK.
- */
- int flags;
-
- /**
- * If extensions are defined, then no probe is done. You should
- * usually not use extension format guessing because it is not
- * reliable enough
- */
- const char *extensions;
-
- /**
- * General purpose read-only value that the format can use.
- */
- int value;
-
- /**
* Start/resume playing - only meaningful if using a network-based format
* (RTSP).
*/
@@ -467,8 +486,6 @@ typedef struct AVInputFormat {
*/
int (*read_pause)(struct AVFormatContext *);
- const struct AVCodecTag * const *codec_tag;
-
/**
* Seek to timestamp ts.
* Seeking will be done so that the point from which all active streams
@@ -476,11 +493,6 @@ typedef struct AVInputFormat {
* Active streams are all streams that have AVStream.discard < AVDISCARD_ALL.
*/
int (*read_seek2)(struct AVFormatContext *s, int stream_index, int64_t min_ts, int64_t ts, int64_t max_ts, int flags);
-
- const AVClass *priv_class; ///< AVClass for the private context
-
- /* private fields */
- struct AVInputFormat *next;
} AVInputFormat;
/**
* @}
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