avformat/avformat: Reorder AVFormatContext fields

Move related fields closer together.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2024-02-19 00:02:57 -03:00
parent 53cdf94653
commit c8db1006ef
1 changed files with 111 additions and 111 deletions

View File

@ -1324,6 +1324,39 @@ typedef struct AVFormatContext {
*/
AVStream **streams;
/**
* Number of elements in AVFormatContext.stream_groups.
*
* Set by avformat_stream_group_create(), must not be modified by any other code.
*/
unsigned int nb_stream_groups;
/**
* A list of all stream groups in the file. New groups are created with
* avformat_stream_group_create(), and filled with avformat_stream_group_add_stream().
*
* - demuxing: groups may be created by libavformat in avformat_open_input().
* If AVFMTCTX_NOHEADER is set in ctx_flags, then new groups may also
* appear in av_read_frame().
* - muxing: groups may be created by the user before avformat_write_header().
*
* Freed by libavformat in avformat_free_context().
*/
AVStreamGroup **stream_groups;
/**
* Number of chapters in AVChapter array.
* When muxing, chapters are normally written in the file header,
* so nb_chapters should normally be initialized before write_header
* is called. Some muxers (e.g. mov and mkv) can also write chapters
* in the trailer. To write chapters in the trailer, nb_chapters
* must be zero when write_header is called and non-zero when
* write_trailer is called.
* - muxing: set by user
* - demuxing: set by libavformat
*/
unsigned int nb_chapters;
AVChapter **chapters;
/**
* input or output URL. Unlike the old filename field, this field has no
* length restriction.
@ -1443,36 +1476,10 @@ typedef struct AVFormatContext {
enum AVCodecID subtitle_codec_id;
/**
* Maximum amount of memory in bytes to use for the index of each stream.
* If the index exceeds this size, entries will be discarded as
* needed to maintain a smaller size. This can lead to slower or less
* accurate seeking (depends on demuxer).
* Demuxers for which a full in-memory index is mandatory will ignore
* this.
* - muxing: unused
* - demuxing: set by user
* Forced Data codec_id.
* Demuxing: Set by user.
*/
unsigned int max_index_size;
/**
* Maximum amount of memory in bytes to use for buffering frames
* obtained from realtime capture devices.
*/
unsigned int max_picture_buffer;
/**
* Number of chapters in AVChapter array.
* When muxing, chapters are normally written in the file header,
* so nb_chapters should normally be initialized before write_header
* is called. Some muxers (e.g. mov and mkv) can also write chapters
* in the trailer. To write chapters in the trailer, nb_chapters
* must be zero when write_header is called and non-zero when
* write_trailer is called.
* - muxing: set by user
* - demuxing: set by libavformat
*/
unsigned int nb_chapters;
AVChapter **chapters;
enum AVCodecID data_codec_id;
/**
* Metadata that applies to the whole file.
@ -1528,6 +1535,31 @@ typedef struct AVFormatContext {
int debug;
#define FF_FDEBUG_TS 0x0001
/**
* The maximum number of streams.
* - encoding: unused
* - decoding: set by user
*/
int max_streams;
/**
* Maximum amount of memory in bytes to use for the index of each stream.
* If the index exceeds this size, entries will be discarded as
* needed to maintain a smaller size. This can lead to slower or less
* accurate seeking (depends on demuxer).
* Demuxers for which a full in-memory index is mandatory will ignore
* this.
* - muxing: unused
* - demuxing: set by user
*/
unsigned int max_index_size;
/**
* Maximum amount of memory in bytes to use for buffering frames
* obtained from realtime capture devices.
*/
unsigned int max_picture_buffer;
/**
* Maximum buffering duration for interleaving.
*
@ -1546,6 +1578,35 @@ typedef struct AVFormatContext {
*/
int64_t max_interleave_delta;
/**
* Maximum number of packets to read while waiting for the first timestamp.
* Decoding only.
*/
int max_ts_probe;
/**
* Max chunk time in microseconds.
* Note, not all formats support this and unpredictable things may happen if it is used when not supported.
* - encoding: Set by user
* - decoding: unused
*/
int max_chunk_duration;
/**
* Max chunk size in bytes
* Note, not all formats support this and unpredictable things may happen if it is used when not supported.
* - encoding: Set by user
* - decoding: unused
*/
int max_chunk_size;
/**
* Maximum number of packets that can be probed
* - encoding: unused
* - decoding: set by user
*/
int max_probe_packets;
/**
* Allow non-standard and experimental extension
* @see AVCodecContext.strict_std_compliance
@ -1572,11 +1633,6 @@ typedef struct AVFormatContext {
*/
#define AVFMT_EVENT_FLAG_METADATA_UPDATED 0x0001
/**
* Maximum number of packets to read while waiting for the first timestamp.
* Decoding only.
*/
int max_ts_probe;
/**
* Avoid negative timestamps during muxing.
@ -1599,22 +1655,6 @@ typedef struct AVFormatContext {
*/
int audio_preload;
/**
* Max chunk time in microseconds.
* Note, not all formats support this and unpredictable things may happen if it is used when not supported.
* - encoding: Set by user
* - decoding: unused
*/
int max_chunk_duration;
/**
* Max chunk size in bytes
* Note, not all formats support this and unpredictable things may happen if it is used when not supported.
* - encoding: Set by user
* - decoding: unused
*/
int max_chunk_size;
/**
* forces the use of wallclock timestamps as pts/dts of packets
* This has undefined results in the presence of B frames.
@ -1623,6 +1663,13 @@ typedef struct AVFormatContext {
*/
int use_wallclock_as_timestamps;
/**
* Skip duration calcuation in estimate_timings_from_pts.
* - encoding: unused
* - decoding: set by user
*/
int skip_estimate_duration_from_pts;
/**
* avio flags, used to force AVIO_FLAG_DIRECT.
* - encoding: unused
@ -1702,6 +1749,20 @@ typedef struct AVFormatContext {
*/
char *format_whitelist;
/**
* ',' separated list of allowed protocols.
* - encoding: unused
* - decoding: set by user
*/
char *protocol_whitelist;
/**
* ',' separated list of disallowed protocols.
* - encoding: unused
* - decoding: set by user
*/
char *protocol_blacklist;
/**
* IO repositioned flag.
* This is set by avformat when the underlaying IO context read pointer
@ -1774,19 +1835,6 @@ typedef struct AVFormatContext {
*/
uint8_t *dump_separator;
/**
* Forced Data codec_id.
* Demuxing: Set by user.
*/
enum AVCodecID data_codec_id;
/**
* ',' separated list of allowed protocols.
* - encoding: unused
* - decoding: set by user
*/
char *protocol_whitelist;
/**
* A callback for opening new IO streams.
*
@ -1810,34 +1858,6 @@ typedef struct AVFormatContext {
int (*io_open)(struct AVFormatContext *s, AVIOContext **pb, const char *url,
int flags, AVDictionary **options);
/**
* ',' separated list of disallowed protocols.
* - encoding: unused
* - decoding: set by user
*/
char *protocol_blacklist;
/**
* The maximum number of streams.
* - encoding: unused
* - decoding: set by user
*/
int max_streams;
/**
* Skip duration calcuation in estimate_timings_from_pts.
* - encoding: unused
* - decoding: set by user
*/
int skip_estimate_duration_from_pts;
/**
* Maximum number of packets that can be probed
* - encoding: unused
* - decoding: set by user
*/
int max_probe_packets;
/**
* A callback for closing the streams opened with AVFormatContext.io_open().
*
@ -1850,26 +1870,6 @@ typedef struct AVFormatContext {
* @return 0 on success, a negative AVERROR code on failure
*/
int (*io_close2)(struct AVFormatContext *s, AVIOContext *pb);
/**
* Number of elements in AVFormatContext.stream_groups.
*
* Set by avformat_stream_group_create(), must not be modified by any other code.
*/
unsigned int nb_stream_groups;
/**
* A list of all stream groups in the file. New groups are created with
* avformat_stream_group_create(), and filled with avformat_stream_group_add_stream().
*
* - demuxing: groups may be created by libavformat in avformat_open_input().
* If AVFMTCTX_NOHEADER is set in ctx_flags, then new groups may also
* appear in av_read_frame().
* - muxing: groups may be created by the user before avformat_write_header().
*
* Freed by libavformat in avformat_free_context().
*/
AVStreamGroup **stream_groups;
} AVFormatContext;
/**