*/
#include <stdint.h>
+
+#include "libavutil/attributes.h"
#include "avcodec.h"
#include "h264dsp.h"
#include "h264idct.h"
#include "h264addpx_template.c"
#undef BIT_DEPTH
-void ff_h264dsp_init(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
+static int h264_find_start_code_candidate_c(const uint8_t *buf, int size)
+{
+ int i = 0;
+#if HAVE_FAST_UNALIGNED
+ /* we check i < size instead of i + 3 / 7 because it is
+ * simpler and there must be FF_INPUT_BUFFER_PADDING_SIZE
+ * bytes at the end.
+ */
+#if HAVE_FAST_64BIT
+ while (i < size &&
+ !((~*(const uint64_t *)(buf + i) &
+ (*(const uint64_t *)(buf + i) - 0x0101010101010101ULL)) &
+ 0x8080808080808080ULL))
+ i += 8;
+#else
+ while (i < size &&
+ !((~*(const uint32_t *)(buf + i) &
+ (*(const uint32_t *)(buf + i) - 0x01010101U)) &
+ 0x80808080U))
+ i += 4;
+#endif
+#endif
+ for (; i < size; i++)
+ if (!buf[i])
+ break;
+ return i;
+}
+
+av_cold void ff_h264dsp_init(H264DSPContext *c, const int bit_depth,
+ const int chroma_format_idc)
{
#undef FUNC
#define FUNC(a, depth) a ## _ ## depth ## _c
H264_DSP(8);
break;
}
+ c->h264_find_start_code_candidate = h264_find_start_code_candidate_c;
if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth, chroma_format_idc);
if (ARCH_PPC) ff_h264dsp_init_ppc(c, bit_depth, chroma_format_idc);