Signed-off-by: James Almer <jamr...@gmail.com> --- doc/APIchanges | 3 +++ libavutil/blowfish.c | 15 +++++++++++++++ libavutil/blowfish.h | 10 ++++++++++ libavutil/version.h | 5 ++++- 4 files changed, 32 insertions(+), 1 deletion(-)
diff --git a/doc/APIchanges b/doc/APIchanges index 4ee7f41..4db1a3c 100644 --- a/doc/APIchanges +++ b/doc/APIchanges @@ -13,6 +13,9 @@ libavutil: 2014-08-09 API changes, most recent first: +2015-xx-xx - lavu 54.16.0 + xxxxxxx - Add av_blowfish_alloc(). + 2015-xx-xx - lavc 56.35.0 - avcodec.h xxxxxxxxx - Rename CODEC_FLAG* defines to AV_CODEC_FLAG*. xxxxxxxxx - Rename CODEC_CAP_* defines to AV_CODEC_CAP_*. diff --git a/libavutil/blowfish.c b/libavutil/blowfish.c index 8437dd6..97a10a7 100644 --- a/libavutil/blowfish.c +++ b/libavutil/blowfish.c @@ -24,8 +24,18 @@ #include "avutil.h" #include "common.h" #include "intreadwrite.h" +#include "mem.h" #include "blowfish.h" +#if !FF_API_CRYPTO_CONTEXT +#define AV_BF_ROUNDS 16 + +typedef struct AVBlowfish { + uint32_t p[AV_BF_ROUNDS + 2]; + uint32_t s[4][256]; +} AVBlowfish; +#endif + static const uint32_t orig_p[AV_BF_ROUNDS + 2] = { 0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344, 0xA4093822, 0x299F31D0, 0x082EFA98, 0xEC4E6C89, @@ -312,6 +322,11 @@ static void F(AVBlowfish *ctx, uint32_t *xl, uint32_t *xr, int i) *xr = Xl; } +struct AVBlowfish *av_blowfish_alloc(void) +{ + return av_mallocz(sizeof(struct AVBlowfish)); +} + av_cold void av_blowfish_init(AVBlowfish *ctx, const uint8_t *key, int key_len) { uint32_t data, data_l, data_r; diff --git a/libavutil/blowfish.h b/libavutil/blowfish.h index 8c29536..ef0e88f 100644 --- a/libavutil/blowfish.h +++ b/libavutil/blowfish.h @@ -22,6 +22,7 @@ #define AVUTIL_BLOWFISH_H #include <stdint.h> +#include "version.h" /** * @defgroup lavu_blowfish Blowfish @@ -29,12 +30,21 @@ * @{ */ +#if FF_API_CRYPTO_CONTEXT #define AV_BF_ROUNDS 16 typedef struct AVBlowfish { uint32_t p[AV_BF_ROUNDS + 2]; uint32_t s[4][256]; } AVBlowfish; +#else +struct AVBlowfish; +#endif + +/** + * Allocate an AVBlowfish context. + */ +struct AVBlowfish *av_blowfish_alloc(void); /** * Initialize an AVBlowfish context. diff --git a/libavutil/version.h b/libavutil/version.h index 4c3b7f4..ae8924f 100644 --- a/libavutil/version.h +++ b/libavutil/version.h @@ -54,7 +54,7 @@ */ #define LIBAVUTIL_VERSION_MAJOR 54 -#define LIBAVUTIL_VERSION_MINOR 15 +#define LIBAVUTIL_VERSION_MINOR 16 #define LIBAVUTIL_VERSION_MICRO 0 #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \ @@ -114,6 +114,9 @@ #ifndef FF_API_DLOG #define FF_API_DLOG (LIBAVUTIL_VERSION_MAJOR < 55) #endif +#ifndef FF_API_CRYPTO_CONTEXT +#define FF_API_CRYPTO_CONTEXT (LIBAVUTIL_VERSION_MAJOR < 55) +#endif /** -- 2.4.5 _______________________________________________ libav-devel mailing list libav-devel@libav.org https://lists.libav.org/mailman/listinfo/libav-devel