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avformat/mux: Rename FF_FMT_ALLOW_FLUSH->FF_OFMT_FLAG_ALLOW_FLUSH

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It better reflects that this is a muxer-only flag.
Also document the flag.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2024-03-15 18:18:23 +01:00
parent b8124fe35e
commit 233e13f285
11 changed files with 36 additions and 28 deletions
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14
libavformat/mux.h
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@@ -27,7 +27,15 @@
struct AVDeviceInfoList;
#define FF_FMT_ALLOW_FLUSH (1 << 1)
/**
* This flag indicates that the muxer stores data internally
* and supports flushing it. Flushing is signalled by sending
* a NULL packet to the muxer's write_packet callback;
* without this flag, a muxer never receives NULL packets.
* So the documentation of write_packet below for the semantics
* of the return value in case of flushing.
*/
#define FF_OFMT_FLAG_ALLOW_FLUSH (1 << 1)
typedef struct FFOutputFormat {
/**
@@ -40,13 +48,13 @@ typedef struct FFOutputFormat {
int priv_data_size;
/**
* Internal flags. See FF_FMT_* in internal.h and mux.h.
* Internal flags. See FF_OFMT_FLAG_* above and FF_FMT_FLAG_* in internal.h.
*/
int flags_internal;
int (*write_header)(AVFormatContext *);
/**
* Write a packet. If FF_FMT_ALLOW_FLUSH is set in flags_internal,
* Write a packet. If FF_OFMT_FLAG_ALLOW_FLUSH is set in flags_internal,
* pkt can be NULL in order to flush data buffered in the muxer.
* When flushing, return 0 if there still is more data to flush,
* or 1 if everything was flushed and there is no more buffered