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hlsenc: write playlist into a temp file and replace the original atomically

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Reviewed-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Hendrik Leppkes 2015-02-20 12:55:14 +01:00 committed by Michael Niedermayer
parent 0d6ae06766
commit da97e4c64a
1 changed files with 5 additions and 1 deletions
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6
libavformat/hlsenc.c
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@ -242,10 +242,12 @@ static int hls_window(AVFormatContext *s, int last)
int target_duration = 0;
int ret = 0;
AVIOContext *out = NULL;
char temp_filename[1024];
int64_t sequence = FFMAX(hls->start_sequence, hls->sequence - hls->nb_entries);
int version = hls->flags & HLS_SINGLE_FILE ? 4 : 3;
if ((ret = avio_open2(&out, s->filename, AVIO_FLAG_WRITE,
snprintf(temp_filename, sizeof(temp_filename), "%s.tmp", s->filename);
if ((ret = avio_open2(&out, temp_filename, AVIO_FLAG_WRITE,
&s->interrupt_callback, NULL)) < 0)
goto fail;
@ -280,6 +282,8 @@ static int hls_window(AVFormatContext *s, int last)
fail:
avio_closep(&out);
if (ret >= 0)
ff_rename(temp_filename, s->filename, s);
return ret;
}