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

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Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Hendrik Leppkes 2015-02-20 12:54:58 +01:00 committed by Martin Storsjö
parent ff48ae94f9
commit 3fe26bb608
1 changed files with 5 additions and 1 deletions
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6
libavformat/hlsenc.c
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@ -134,9 +134,11 @@ static int hls_window(AVFormatContext *s, int last)
int target_duration = 0; int target_duration = 0;
int ret = 0; int ret = 0;
AVIOContext *out = NULL; AVIOContext *out = NULL;
char temp_filename[1024];
int64_t sequence = FFMAX(hls->start_sequence, hls->sequence - hls->size); int64_t sequence = FFMAX(hls->start_sequence, hls->sequence - hls->size);
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) &s->interrupt_callback, NULL)) < 0)
goto fail; goto fail;
@ -168,6 +170,8 @@ static int hls_window(AVFormatContext *s, int last)
fail: fail:
avio_closep(&out); avio_closep(&out);
if (ret >= 0)
ff_rename(temp_filename, s->filename);
return ret; return ret;
} }