Make ff_random_get_seed public, rename to av_get_random_seed, export the header

Keep an old ff_ named function for binary compatibility until the
next major bump.

Originally committed as revision 23254 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Martin Storsjö 2010-05-23 08:53:40 +00:00
parent e1745e2f6e
commit 576fb48e6d
8 changed files with 18 additions and 8 deletions

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@ -4612,7 +4612,7 @@ int main(int argc, char **argv)
unsetenv("http_proxy"); /* Kill the http_proxy */
av_lfg_init(&random_state, ff_random_get_seed());
av_lfg_init(&random_state, av_get_random_seed());
memset(&sigact, 0, sizeof(sigact));
sigact.sa_handler = handle_child_exit;

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@ -218,7 +218,7 @@ static int color_table_compare(const void *lhs, const void *rhs)
int av_parse_color(uint8_t *rgba_color, const char *color_string, void *log_ctx)
{
if (!strcasecmp(color_string, "random") || !strcasecmp(color_string, "bikeshed")) {
int rgba = ff_random_get_seed();
int rgba = av_get_random_seed();
rgba_color[0] = rgba >> 24;
rgba_color[1] = rgba >> 16;
rgba_color[2] = rgba >> 8;

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@ -200,7 +200,7 @@ static char *make_digest_auth(HTTPAuthState *state, const char *username,
/* Generate a client nonce. */
for (i = 0; i < 2; i++)
cnonce_buf[i] = ff_random_get_seed();
cnonce_buf[i] = av_get_random_seed();
ff_data_to_hex(cnonce, (const uint8_t*) cnonce_buf, sizeof(cnonce_buf), 1);
cnonce[2*sizeof(cnonce_buf)] = 0;

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@ -1389,7 +1389,7 @@ static uint64_t mxf_parse_timestamp(time_t timestamp)
static void mxf_gen_umid(AVFormatContext *s)
{
MXFContext *mxf = s->priv_data;
uint32_t seed = ff_random_get_seed();
uint32_t seed = av_get_random_seed();
uint64_t umid = seed + 0x5294713400000000LL;
AV_WB64(mxf->umid , umid);

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@ -80,10 +80,10 @@ static int rtp_write_header(AVFormatContext *s1)
if (s->payload_type < 0)
s->payload_type = RTP_PT_PRIVATE + (st->codec->codec_type == AVMEDIA_TYPE_AUDIO);
s->base_timestamp = ff_random_get_seed();
s->base_timestamp = av_get_random_seed();
s->timestamp = s->base_timestamp;
s->cur_timestamp = 0;
s->ssrc = ff_random_get_seed();
s->ssrc = av_get_random_seed();
s->first_packet = 1;
s->first_rtcp_ntp_time = ff_ntp_time();
if (s1->start_time_realtime)

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@ -19,6 +19,7 @@ HEADERS = adler32.h \
mem.h \
pixdesc.h \
pixfmt.h \
random_seed.h \
rational.h \
sha1.h \

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@ -22,8 +22,9 @@
#include <fcntl.h>
#include "timer.h"
#include "random_seed.h"
#include "avutil.h"
uint32_t ff_random_get_seed(void)
uint32_t av_get_random_seed(void)
{
uint32_t seed;
int fd;
@ -42,3 +43,11 @@ uint32_t ff_random_get_seed(void)
// XXX what to do ?
return seed;
}
#if LIBAVUTIL_VERSION_MAJOR < 51
attribute_deprecated uint32_t ff_random_get_seed(void);
uint32_t ff_random_get_seed(void)
{
return av_get_random_seed();
}
#endif

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@ -26,6 +26,6 @@
/**
* Gets a seed to use in conjunction with random functions.
*/
uint32_t ff_random_get_seed(void);
uint32_t av_get_random_seed(void);
#endif /* AVUTIL_RANDOM_SEED_H */