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avformat/format: silence -Wdiscarded-qualifiers

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lpd.buf is non-const and discards the const qualifier of zerobuffer.
This fixes -Wdiscarded-qualifiers observed with a variety of compilers, including GCC 5.2.
Note that this does not change the type of zerobuffer, and merely makes the intent explicit.

Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Ganesh Ajjanagadde 2015-09-19 17:37:14 -04:00 committed by Michael Niedermayer
parent 7cf22c7970
commit 6ea457f76d
1 changed files with 1 additions and 1 deletions
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libavformat/format.c
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@ -175,7 +175,7 @@ AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened,
const static uint8_t zerobuffer[AVPROBE_PADDING_SIZE];
if (!lpd.buf)
lpd.buf = zerobuffer;
lpd.buf = (unsigned char *) zerobuffer;
if (lpd.buf_size > 10 && ff_id3v2_match(lpd.buf, ID3v2_DEFAULT_MAGIC)) {
int id3len = ff_id3v2_tag_len(lpd.buf);