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expose av_base64_decode and av_base64_encode

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Originally committed as revision 8448 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Luca Barbato 2007-03-19 00:48:47 +00:00
parent 559fd1e795
commit bd03c380ce
5 changed files with 12 additions and 11 deletions
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5
libavformat/http.c
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@ -210,13 +210,14 @@ static int http_connect(URLContext *h, const char *path, const char *hoststr,
int post, err, ch; int post, err, ch;
char line[1024], *q; char line[1024], *q;
char *auth_b64; char *auth_b64;
int auth_b64_len = strlen(auth)* 4 / 3 + 12;
offset_t off = s->off; offset_t off = s->off;
/* send http header */ /* send http header */
post = h->flags & URL_WRONLY; post = h->flags & URL_WRONLY;
auth_b64 = av_malloc(auth_b64_len);
auth_b64 = av_base64_encode((uint8_t *)auth, strlen(auth)); av_base64_encode(auth_b64, auth_b64_len, (uint8_t *)auth, strlen(auth));
snprintf(s->buffer, sizeof(s->buffer), snprintf(s->buffer, sizeof(s->buffer),
"%s %s HTTP/1.1\r\n" "%s %s HTTP/1.1\r\n"
"User-Agent: %s\r\n" "User-Agent: %s\r\n"

2
libavutil/Makefile
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@ -18,7 +18,7 @@ OBJS= mathematics.o \
HEADERS = avutil.h common.h mathematics.h integer.h rational.h \ HEADERS = avutil.h common.h mathematics.h integer.h rational.h \
intfloat_readwrite.h md5.h adler32.h log.h fifo.h lzo.h \ intfloat_readwrite.h md5.h adler32.h log.h fifo.h lzo.h \
random.h mem.h random.h mem.h base64.h
NAME=avutil NAME=avutil
LIBVERSION=$(LAVUVERSION) LIBVERSION=$(LAVUVERSION)

4
libavutil/avutil.h
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@ -34,8 +34,8 @@ extern "C" {
#define AV_STRINGIFY(s) AV_TOSTRING(s) #define AV_STRINGIFY(s) AV_TOSTRING(s)
#define AV_TOSTRING(s) #s #define AV_TOSTRING(s) #s
#define LIBAVUTIL_VERSION_INT ((49<<16)+(3<<8)+0) #define LIBAVUTIL_VERSION_INT ((49<<16)+(4<<8)+0)
#define LIBAVUTIL_VERSION 49.3.0 #define LIBAVUTIL_VERSION 49.4.0
#define LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT #define LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION) #define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)

9
libavutil/base64.c
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@ -70,7 +70,7 @@ int av_base64_decode(uint8_t * out, const char *in, int out_length)
* fixed edge cases and made it work from data (vs. strings) by ryan. * fixed edge cases and made it work from data (vs. strings) by ryan.
*****************************************************************************/ *****************************************************************************/
char *av_base64_encode(uint8_t * src, int len) char *av_base64_encode(char * buf, int buf_len, uint8_t * src, int len)
{ {
static const char b64[] = static const char b64[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
@ -79,11 +79,10 @@ char *av_base64_encode(uint8_t * src, int len)
int i_shift = 0; int i_shift = 0;
int bytes_remaining = len; int bytes_remaining = len;
if (len < UINT_MAX / 4) { if (len >= UINT_MAX / 4 ||
ret = dst = av_malloc(len * 4 / 3 + 12); buf_len < len * 4 / 3 + 12)
} else
return NULL; return NULL;
ret = dst = buf;
if (len) { // special edge case, what should we really do here? if (len) { // special edge case, what should we really do here?
while (bytes_remaining) { while (bytes_remaining) {
i_bits = (i_bits << 8) + *src++; i_bits = (i_bits << 8) + *src++;

3
libavutil/base64.h
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@ -28,6 +28,7 @@ int av_base64_decode(uint8_t * out, const char *in, int out_length);
/** /**
* encodes base64 * encodes base64
* @param src data, not a string * @param src data, not a string
* @param buf output string
*/ */
char *av_base64_encode(uint8_t * src, int len); char *av_base64_encode(char * buf, int buf_len, uint8_t * src, int len);