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| author | Marton Balint <cus@passwd.hu> | 2017-06-04 04:25:43 +0200 |
|---|---|---|
| committer | Marton Balint <cus@passwd.hu> | 2017-06-24 18:51:29 +0200 |
| commit | db9e87dd8c1ce11d37edc16f9380ee8dee68891b (patch) | |
| tree | 2d81eb275e3b51f205b8d846b55020febdfbfc16 | |
| parent | eeeb595c7f1c78764a1a670b763fa837ab3db2bd (diff) | |
| download | ffmpeg-db9e87dd8c1ce11d37edc16f9380ee8dee68891b.tar.gz | |
avformat/file: increase min/max packet size to 256k for written files
Buffering more than one packet can be a huge performance improvement for
encoding files with small packets (e.g. wav) over SMB/CIFS.
Acked-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Marton Balint <cus@passwd.hu>
| -rw-r--r-- | libavformat/file.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/file.c b/libavformat/file.c index 3db9cd0b9e..1d321c4205 100644 --- a/libavformat/file.c +++ b/libavformat/file.c @@ -229,6 +229,11 @@ static int file_open(URLContext *h, const char *filename, int flags) h->is_streamed = !fstat(fd, &st) && S_ISFIFO(st.st_mode); + /* 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; + return 0; } |