The branch, master has been updated
via 6c07a4f5588d94f801bf35515626c28d101d2172 (commit)
from 1b62f9d3ae6b66db60ac4725605eebd6e9d8be09 (commit)
- Log -----------------------------------------------------------------
commit 6c07a4f5588d94f801bf35515626c28d101d2172
Author: yangsen5 <[email protected]>
AuthorDate: Thu Jul 31 17:05:07 2025 +0800
Commit: Zhao Zhili <[email protected]>
CommitDate: Mon Aug 25 18:15:17 2025 +0800
avformat/file: add pkt_size option
The min_packet_size/max_packet_size were hardcoded to 256KB for
performance. The new option makes it possible to configure a
smaller packet size on embedded devices with limited memory
resources.
Signed-off-by: yangsen5 <[email protected]>
Signed-off-by: Zhao Zhili <[email protected]>
diff --git a/libavformat/file.c b/libavformat/file.c
index a6eceff58d..97f5955f93 100644
--- a/libavformat/file.c
+++ b/libavformat/file.c
@@ -94,6 +94,7 @@ typedef struct FileContext {
int fd;
int trunc;
int blocksize;
+ int pkt_size;
int follow;
int seekable;
#if HAVE_DIRENT_H
@@ -106,6 +107,7 @@ static const AVOption file_options[] = {
{ "blocksize", "set I/O operation maximum block size",
offsetof(FileContext, blocksize), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 1,
INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
{ "follow", "Follow a file as it is being written", offsetof(FileContext,
follow), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, AV_OPT_FLAG_DECODING_PARAM },
{ "seekable", "Sets if the file is seekable", offsetof(FileContext,
seekable), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 0, AV_OPT_FLAG_DECODING_PARAM |
AV_OPT_FLAG_ENCODING_PARAM },
+ { "pkt_size", "Maximum packet size", offsetof(FileContext, pkt_size),
AV_OPT_TYPE_INT, { .i64 = 262144 }, 1, INT_MAX, AV_OPT_FLAG_DECODING_PARAM |
AV_OPT_FLAG_ENCODING_PARAM },
{ NULL }
};
@@ -313,7 +315,7 @@ static int file_open(URLContext *h, const char *filename,
int flags)
/* Buffer writes more than the default 32k to improve throughput especially
* with networked file systems */
if (!h->is_streamed && flags & AVIO_FLAG_WRITE)
- h->min_packet_size = h->max_packet_size = 262144;
+ h->min_packet_size = h->max_packet_size = c->pkt_size;
if (c->seekable >= 0)
h->is_streamed = !c->seekable;
diff --git a/libavformat/version.h b/libavformat/version.h
index af7d0a1024..cc56b7cf5c 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -32,7 +32,7 @@
#include "version_major.h"
#define LIBAVFORMAT_VERSION_MINOR 4
-#define LIBAVFORMAT_VERSION_MICRO 100
+#define LIBAVFORMAT_VERSION_MICRO 101
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \
-----------------------------------------------------------------------
Summary of changes:
libavformat/file.c | 4 +++-
libavformat/version.h | 2 +-
2 files changed, 4 insertions(+), 2 deletions(-)
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