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lavf/sdp: add const qualifiers where appropriate

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Declares that these structs are read-only for this code.
This commit is contained in:
Anton Khirnov
2021-12-04 17:47:41 +01:00
parent 3c9778d342
commit 230646751d
4 changed files with 17 additions and 16 deletions
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23
libavformat/sdp.c
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@@ -151,7 +151,7 @@ static int sdp_get_address(char *dest_addr, int size, int *ttl, const char *url)
}
#define MAX_PSET_SIZE 1024
static char *extradata2psets(AVFormatContext *s, AVCodecParameters *par)
static char *extradata2psets(AVFormatContext *s, const AVCodecParameters *par)
{
char *psets, *p;
const uint8_t *r;
@@ -222,7 +222,7 @@ static char *extradata2psets(AVFormatContext *s, AVCodecParameters *par)
return psets;
}
static char *extradata2psets_hevc(AVCodecParameters *par)
static char *extradata2psets_hevc(const AVCodecParameters *par)
{
char *psets;
uint8_t *extradata = par->extradata;
@@ -323,7 +323,7 @@ err:
return NULL;
}
static char *extradata2config(AVFormatContext *s, AVCodecParameters *par)
static char *extradata2config(AVFormatContext *s, const AVCodecParameters *par)
{
char *config;
@@ -343,7 +343,7 @@ static char *extradata2config(AVFormatContext *s, AVCodecParameters *par)
return config;
}
static char *xiph_extradata2config(AVFormatContext *s, AVCodecParameters *par)
static char *xiph_extradata2config(AVFormatContext *s, const AVCodecParameters *par)
{
uint8_t *config;
char *encoded_config;
@@ -413,7 +413,7 @@ xiph_fail:
return NULL;
}
static int latm_context2profilelevel(AVCodecParameters *par)
static int latm_context2profilelevel(const AVCodecParameters *par)
{
/* MP4A-LATM
* The RTP payload format specification is described in RFC 3016
@@ -442,7 +442,7 @@ static int latm_context2profilelevel(AVCodecParameters *par)
return profile_level;
}
static char *latm_context2config(AVFormatContext *s, AVCodecParameters *par)
static char *latm_context2config(AVFormatContext *s, const AVCodecParameters *par)
{
/* MP4A-LATM
* The RTP payload format specification is described in RFC 3016
@@ -477,10 +477,11 @@ static char *latm_context2config(AVFormatContext *s, AVCodecParameters *par)
return config;
}
static char *sdp_write_media_attributes(char *buff, int size, AVStream *st, int payload_type, AVFormatContext *fmt)
static char *sdp_write_media_attributes(char *buff, int size, const AVStream *st,
int payload_type, AVFormatContext *fmt)
{
char *config = NULL;
AVCodecParameters *p = st->codecpar;
const AVCodecParameters *p = st->codecpar;
switch (p->codec_id) {
case AV_CODEC_ID_DIRAC:
@@ -762,11 +763,11 @@ static char *sdp_write_media_attributes(char *buff, int size, AVStream *st, int
return buff;
}
void ff_sdp_write_media(char *buff, int size, AVStream *st, int idx,
void ff_sdp_write_media(char *buff, int size, const AVStream *st, int idx,
const char *dest_addr, const char *dest_type,
int port, int ttl, AVFormatContext *fmt)
{
AVCodecParameters *p = st->codecpar;
const AVCodecParameters *p = st->codecpar;
const char *type;
int payload_type;
@@ -863,7 +864,7 @@ int av_sdp_create(AVFormatContext *ac[], int n_files, char *buf, int size)
return AVERROR(ENOSYS);
}
void ff_sdp_write_media(char *buff, int size, AVStream *st, int idx,
void ff_sdp_write_media(char *buff, int size, const AVStream *st, int idx,
const char *dest_addr, const char *dest_type,
int port, int ttl, AVFormatContext *fmt)
{