On 2025-07-17 07:35 pm, yangsen5 via ffmpeg-devel wrote:
From: yangsen5 <1441923...@qq.com>
Signed-off-by: yangsen5 <1441923...@qq.com>
---
libavformat/file.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavformat/file.c b/libavformat/file.c
index 6a66040b65..8099a7e931 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 file 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 },
I see naive assignment of the value in avio*.c
What happens if someone sets the value to -1?
Regards,
Gyan
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