diff options
Diffstat (limited to 'chromium/third_party/ffmpeg/libavutil/internal.h')
| -rw-r--r-- | chromium/third_party/ffmpeg/libavutil/internal.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/chromium/third_party/ffmpeg/libavutil/internal.h b/chromium/third_party/ffmpeg/libavutil/internal.h index 9c5546f3b14..ea3c31e4fbc 100644 --- a/chromium/third_party/ffmpeg/libavutil/internal.h +++ b/chromium/third_party/ffmpeg/libavutil/internal.h @@ -93,6 +93,13 @@ // to be forced to tokenize __VA_ARGS__ #define E1(x) x +/* Check if the hard coded offset of a struct member still matches reality. + * Induce a compilation failure if not. + */ +#define AV_CHECK_OFFSET(s, m, o) struct check_##o { \ + int x_##o[offsetof(s, m) == o? 1: -1]; \ + } + #define LOCAL_ALIGNED_A(a, t, v, s, o, ...) \ uint8_t la_##v[sizeof(t s o) + (a)]; \ t (*v) o = (void *)FFALIGN((uintptr_t)la_##v, a) @@ -115,6 +122,12 @@ # define LOCAL_ALIGNED_16(t, v, ...) LOCAL_ALIGNED(16, t, v, __VA_ARGS__) #endif +#if HAVE_LOCAL_ALIGNED_32 +# define LOCAL_ALIGNED_32(t, v, ...) E1(LOCAL_ALIGNED_D(32, t, v, __VA_ARGS__,,)) +#else +# define LOCAL_ALIGNED_32(t, v, ...) LOCAL_ALIGNED(32, t, v, __VA_ARGS__) +#endif + #define FF_ALLOC_OR_GOTO(ctx, p, size, label)\ {\ p = av_malloc(size);\ @@ -133,6 +146,24 @@ }\ } +#define FF_ALLOC_ARRAY_OR_GOTO(ctx, p, nelem, elsize, label)\ +{\ + p = av_malloc_array(nelem, elsize);\ + if (p == NULL) {\ + av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\ + goto label;\ + }\ +} + +#define FF_ALLOCZ_ARRAY_OR_GOTO(ctx, p, nelem, elsize, label)\ +{\ + p = av_mallocz_array(nelem, elsize);\ + if (p == NULL) {\ + av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\ + goto label;\ + }\ +} + #include "libm.h" #if defined(_MSC_VER) @@ -213,6 +244,11 @@ void avpriv_request_sample(void *avc, #if HAVE_LIBC_MSVCRT #define avpriv_open ff_open +#define PTRDIFF_SPECIFIER "Id" +#define SIZE_SPECIFIER "Iu" +#else +#define PTRDIFF_SPECIFIER "td" +#define SIZE_SPECIFIER "zu" #endif /** |