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avformat/webm_chunk: always use a static buffer for get_chunk_filename

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My conversation from AVFormatContext->filename to AVFormatContext->url was
wrong in this case because get_chunk_filename uses filename as an output
buffer, and not as an input buffer.

Fixes ticket #7188.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2018-05-13 22:14:22 +02:00
parent 64bf915cd8
commit 2dbe936bf7
1 changed files with 7 additions and 1 deletions
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8
libavformat/webm_chunk.c
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@ -114,6 +114,8 @@ static int webm_chunk_write_header(AVFormatContext *s)
int ret;
int i;
AVDictionary *options = NULL;
char oc_filename[MAX_FILENAME_SIZE];
char *oc_url;
// DASH Streams can only have either one track per file.
if (s->nb_streams != 1) { return AVERROR_INVALIDDATA; }
@ -127,9 +129,13 @@ static int webm_chunk_write_header(AVFormatContext *s)
if (ret < 0)
return ret;
oc = wc->avf;
ret = get_chunk_filename(s, 1, oc->url);
ret = get_chunk_filename(s, 1, oc_filename);
if (ret < 0)
return ret;
oc_url = av_strdup(oc_filename);
if (!oc_url)
return AVERROR(ENOMEM);
ff_format_set_url(oc, oc_url);
if (wc->http_method)
av_dict_set(&options, "method", wc->http_method, 0);
ret = s->io_open(s, &oc->pb, oc->url, AVIO_FLAG_WRITE, &options);