[FFmpeg-devel] [PATCH]lavf/sdp: Change configuration pointer from char* to uint8_t*.

Michael Niedermayer michael at niedermayer.cc
Sat Mar 16 01:11:10 EET 2019


On Fri, Mar 15, 2019 at 12:56:05AM +0100, Carl Eugen Hoyos wrote:
> Hi!
> 
> Attached patch silences three warnings with clang and makes the
> pointer type equal to what the function called with the pointer
> expects.
> 
> Please comment, Carl Eugen

>  sdp.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 9f10029889140041ba33ed19e96c3a296f2edf85  0001-lavf-sdp-Change-pointer-to-configuration-from-char-t.patch
> From cf06b8cc09acd676ac6fb713168c23342d26e1b8 Mon Sep 17 00:00:00 2001
> From: Carl Eugen Hoyos <ceffmpeg at gmail.com>
> Date: Fri, 15 Mar 2019 00:52:50 +0100
> Subject: [PATCH] lavf/sdp: Change pointer to configuration from char* to
>  uint8_t*.
> 
> This is also what av_base64_encode() expects.
> Fixes the following warnings with clang:
> libavformat/sdp.c:394:40: warning: implicit conversion from 'int' to 'char' changes value from 254 to -2
> libavformat/sdp.c:395:40: warning: implicit conversion from 'int' to 'char' changes value from 205 to -51
> libavformat/sdp.c:396:40: warning: implicit conversion from 'int' to 'char' changes value from 186 to -70
> ---
>  libavformat/sdp.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/libavformat/sdp.c b/libavformat/sdp.c
> index a5d202e..34e9839 100644
> --- a/libavformat/sdp.c
> +++ b/libavformat/sdp.c
> @@ -347,7 +347,8 @@ static char *extradata2config(AVFormatContext *s, AVCodecParameters *par)
>  
>  static char *xiph_extradata2config(AVFormatContext *s, AVCodecParameters *par)
>  {
> -    char *config, *encoded_config;
> +    uint8_t *config;
> +    char *encoded_config;
>      const uint8_t *header_start[3];
>      int headers_len, header_len[3], config_len;
>      int first_header_size;

LGTM

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Concerning the gods, I have no means of knowing whether they exist or not
or of what sort they may be, because of the obscurity of the subject, and
the brevity of human life -- Protagoras
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 181 bytes
Desc: not available
URL: <http://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20190316/cf7b316b/attachment.sig>


More information about the ffmpeg-devel mailing list