/*****************************************************************************
* x264.h: x264 public header
*****************************************************************************
- * Copyright (C) 2003-2012 x264 project
+ * Copyright (C) 2003-2013 x264 project
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Loren Merritt <lorenm@u.washington.edu>
#ifndef X264_X264_H
#define X264_X264_H
-#if !defined(_STDINT_H) && !defined(_STDINT_H_) && \
+#if !defined(_STDINT_H) && !defined(_STDINT_H_) && !defined(_STDINT_H_INCLUDED) &&\
!defined(_INTTYPES_H) && !defined(_INTTYPES_H_)
# ifdef _MSC_VER
# pragma message("You must include stdint.h or inttypes.h before x264.h")
#include "x264_config.h"
-#define X264_BUILD 124
+#define X264_BUILD 132
/* Application developers planning to link against a shared library version of
* libx264 from a Microsoft Visual Studio or similar development environment
/****************************************************************************
* Encoder parameters
****************************************************************************/
-/* CPU flags
- */
-#define X264_CPU_CACHELINE_32 0x0000001 /* avoid memory loads that span the border between two cachelines */
-#define X264_CPU_CACHELINE_64 0x0000002 /* 32/64 is the size of a cacheline in bytes */
-#define X264_CPU_ALTIVEC 0x0000004
-#define X264_CPU_MMX 0x0000008
-#define X264_CPU_MMX2 0x0000010 /* MMX2 aka MMXEXT aka ISSE */
+/* CPU flags */
+
+/* x86 */
+#define X264_CPU_CMOV 0x0000001
+#define X264_CPU_MMX 0x0000002
+#define X264_CPU_MMX2 0x0000004 /* MMX2 aka MMXEXT aka ISSE */
#define X264_CPU_MMXEXT X264_CPU_MMX2
-#define X264_CPU_SSE 0x0000020
-#define X264_CPU_SSE2 0x0000040
-#define X264_CPU_SSE2_IS_SLOW 0x0000080 /* avoid most SSE2 functions on Athlon64 */
-#define X264_CPU_SSE2_IS_FAST 0x0000100 /* a few functions are only faster on Core2 and Phenom */
-#define X264_CPU_SSE3 0x0000200
-#define X264_CPU_SSSE3 0x0000400
-#define X264_CPU_SHUFFLE_IS_FAST 0x0000800 /* Penryn, Nehalem, and Phenom have fast shuffle units */
-#define X264_CPU_STACK_MOD4 0x0001000 /* if stack is only mod4 and not mod16 */
-#define X264_CPU_SSE4 0x0002000 /* SSE4.1 */
-#define X264_CPU_SSE42 0x0004000 /* SSE4.2 */
-#define X264_CPU_SSE_MISALIGN 0x0008000 /* Phenom support for misaligned SSE instruction arguments */
-#define X264_CPU_LZCNT 0x0010000 /* Phenom support for "leading zero count" instruction. */
-#define X264_CPU_ARMV6 0x0020000
-#define X264_CPU_NEON 0x0040000 /* ARM NEON */
-#define X264_CPU_FAST_NEON_MRC 0x0080000 /* Transfer from NEON to ARM register is fast (Cortex-A9) */
-#define X264_CPU_SLOW_CTZ 0x0100000 /* BSR/BSF x86 instructions are really slow on some CPUs */
-#define X264_CPU_SLOW_ATOM 0x0200000 /* The Atom just sucks */
-#define X264_CPU_AVX 0x0400000 /* AVX support: requires OS support even if YMM registers
- * aren't used. */
-#define X264_CPU_XOP 0x0800000 /* AMD XOP */
-#define X264_CPU_FMA4 0x1000000 /* AMD FMA4 */
-#define X264_CPU_AVX2 0x2000000 /* AVX2 */
-#define X264_CPU_FMA3 0x4000000 /* Intel FMA3 */
-#define X264_CPU_BMI1 0x8000000 /* BMI1 */
-#define X264_CPU_BMI2 0x10000000 /* BMI2 */
-#define X264_CPU_TBM 0x20000000 /* AMD TBM */
-
-/* Analyse flags
- */
+#define X264_CPU_SSE 0x0000008
+#define X264_CPU_SSE2 0x0000010
+#define X264_CPU_SSE3 0x0000020
+#define X264_CPU_SSSE3 0x0000040
+#define X264_CPU_SSE4 0x0000080 /* SSE4.1 */
+#define X264_CPU_SSE42 0x0000100 /* SSE4.2 */
+#define X264_CPU_SSE_MISALIGN 0x0000200 /* Phenom support for misaligned SSE instruction arguments */
+#define X264_CPU_LZCNT 0x0000400 /* Phenom support for "leading zero count" instruction. */
+#define X264_CPU_AVX 0x0000800 /* AVX support: requires OS support even if YMM registers aren't used. */
+#define X264_CPU_XOP 0x0001000 /* AMD XOP */
+#define X264_CPU_FMA4 0x0002000 /* AMD FMA4 */
+#define X264_CPU_AVX2 0x0004000 /* AVX2 */
+#define X264_CPU_FMA3 0x0008000 /* Intel FMA3 */
+#define X264_CPU_BMI1 0x0010000 /* BMI1 */
+#define X264_CPU_BMI2 0x0020000 /* BMI2 */
+/* x86 modifiers */
+#define X264_CPU_CACHELINE_32 0x0040000 /* avoid memory loads that span the border between two cachelines */
+#define X264_CPU_CACHELINE_64 0x0080000 /* 32/64 is the size of a cacheline in bytes */
+#define X264_CPU_SSE2_IS_SLOW 0x0100000 /* avoid most SSE2 functions on Athlon64 */
+#define X264_CPU_SSE2_IS_FAST 0x0200000 /* a few functions are only faster on Core2 and Phenom */
+#define X264_CPU_SLOW_SHUFFLE 0x0400000 /* The Conroe has a slow shuffle unit (relative to overall SSE performance) */
+#define X264_CPU_STACK_MOD4 0x0800000 /* if stack is only mod4 and not mod16 */
+#define X264_CPU_SLOW_CTZ 0x1000000 /* BSR/BSF x86 instructions are really slow on some CPUs */
+#define X264_CPU_SLOW_ATOM 0x2000000 /* The Atom is terrible: slow SSE unaligned loads, slow
+ * SIMD multiplies, slow SIMD variable shifts, slow pshufb,
+ * cacheline split penalties -- gather everything here that
+ * isn't shared by other CPUs to avoid making half a dozen
+ * new SLOW flags. */
+#define X264_CPU_SLOW_PSHUFB 0x4000000 /* such as on the Intel Atom */
+#define X264_CPU_SLOW_PALIGNR 0x8000000 /* such as on the AMD Bobcat */
+
+/* PowerPC */
+#define X264_CPU_ALTIVEC 0x0000001
+
+/* ARM */
+#define X264_CPU_ARMV6 0x0000001
+#define X264_CPU_NEON 0x0000002 /* ARM NEON */
+#define X264_CPU_FAST_NEON_MRC 0x0000004 /* Transfer from NEON to ARM register is fast (Cortex-A9) */
+
+/* Analyse flags */
#define X264_ANALYSE_I4x4 0x0001 /* Analyse i4x4 */
#define X264_ANALYSE_I8x8 0x0002 /* Analyse i8x8 (requires 8x8 transform) */
#define X264_ANALYSE_PSUB16x16 0x0010 /* Analyse p16x8, p8x16 and p8x8 */
{
/* CPU flags */
unsigned int cpu;
- int i_threads; /* encode multiple frames in parallel */
+ int i_threads; /* encode multiple frames in parallel */
+ int i_lookahead_threads; /* multiple threads for lookahead analysis */
int b_sliced_threads; /* Whether to use slice-based threading. */
int b_deterministic; /* whether to allow non-deterministic optimizations when threaded */
int b_cpu_independent; /* force canonical behavior rather than cpu-dependent optimal algorithms */
float f_psy_trellis; /* Psy trellis strength */
int b_psy; /* Toggle all psy optimizations */
- int b_mb_info; /* Use input mb_info data in x264_picture_t */
+ int b_mb_info; /* Use input mb_info data in x264_picture_t */
+ int b_mb_info_update; /* Update the values in mb_info according to the results of encoding. */
/* the deadzone size that will be used in luma quantization */
int i_luma_deadzone[2]; /* {inter, intra} */
int b_fake_interlaced;
+ int b_opencl; /* use OpenCL when available */
+ int i_opencl_device; /* specify count of GPU devices to skip, for CLI users */
+ void *opencl_device_id; /* pass explicit cl_device_id as void*, for API users */
+ char *psz_clbin_file; /* compiled OpenCL kernel cache file */
+
/* Slicing parameters */
int i_slice_max_size; /* Max size per slice in bytes; includes estimated NAL overhead. */
int i_slice_max_mbs; /* Max number of MBs per slice; overrides i_slice_count. */
+ int i_slice_min_mbs; /* Min number of MBs per slice */
int i_slice_count; /* Number of slices per frame: forces rectangular slices. */
+ int i_slice_count_max; /* Absolute cap on slices per frame; stops applying slice-max-size
+ * and slice-max-mbs if this is reached. */
/* Optional callback for freeing this x264_param_t when it is done being used.
* Only used when the x264_param_t sits in memory for an indefinite period of time,
* is done encoding.
*
* This callback MUST do the following in order to work correctly:
- * 1) Have available an output buffer of at least size nal->i_payload*3/2 + 5 + 16.
+ * 1) Have available an output buffer of at least size nal->i_payload*3/2 + 5 + 64.
* 2) Call x264_nal_encode( h, dst, nal ), where dst is the output buffer.
* After these steps, the content of nal is valid and can be used in the same way as if
* the NAL unit were output by x264_encoder_encode.
* the calling application is expected to acquire all output NALs through the callback.
*
* It is generally sensible to combine this callback with a use of slice-max-mbs or
- * slice-max-size. */
- void (*nalu_process) ( x264_t *h, x264_nal_t *nal );
+ * slice-max-size.
+ *
+ * The opaque pointer is the opaque pointer from the input frame associated with this
+ * NAL unit. This helps distinguish between nalu_process calls from different sources,
+ * e.g. if doing multiple encodes in one process.
+ */
+ void (*nalu_process) ( x264_t *h, x264_nal_t *nal, void *opaque );
} x264_param_t;
void x264_nal_encode( x264_t *h, uint8_t *dst, x264_nal_t *nal );
int level_idc;
int mbps; /* max macroblock processing rate (macroblocks/sec) */
int frame_size; /* max frame size (macroblocks) */
- int dpb; /* max decoded picture buffer (bytes) */
+ int dpb; /* max decoded picture buffer (mbs) */
int bitrate; /* max bitrate (kbit/sec) */
int cpb; /* max vbv buffer (kbit) */
int mv_range; /* max vertical mv component range (pixels) */
* Allows specifying additional information for the encoder such as which macroblocks
* remain unchanged. Usable flags are listed below.
* x264_param_t.analyse.b_mb_info must be set to use this, since x264 needs to track
- * extra data internally to make full use of this information. */
+ * extra data internally to make full use of this information.
+ *
+ * Out: if b_mb_info_update is set, x264 will update this array as a result of encoding.
+ *
+ * For "MBINFO_CONSTANT", it will remove this flag on any macroblock whose decoded
+ * pixels have changed. This can be useful for e.g. noting which areas of the
+ * frame need to actually be blitted. Note: this intentionally ignores the effects
+ * of deblocking for the current frame, which should be fine unless one needs exact
+ * pixel-perfect accuracy.
+ *
+ * Results for MBINFO_CONSTANT are currently only set for P-frames, and are not
+ * guaranteed to enumerate all blocks which haven't changed. (There may be false
+ * negatives, but no false positives.)
+ */
uint8_t *mb_info;
/* In: optional callback to free mb_info when used. */
void (*mb_info_free)( void* );
double f_psnr_avg;
/* Out: PSNR of Y, U, and V (if x264_param_t.b_psnr is set) */
double f_psnr[3];
+
+ /* Out: Average effective CRF of the encoded frame */
+ double f_crf_avg;
} x264_image_properties_t;
typedef struct
* due to delay, this may not be the next frame passed to encoder_encode.
* if the change should apply to some particular frame, use x264_picture_t->param instead.
* returns 0 on success, negative on parameter validation error.
- * not all parameters can be changed; see the actual function for a detailed breakdown. */
+ * not all parameters can be changed; see the actual function for a detailed breakdown.
+ *
+ * since not all parameters can be changed, moving from preset to preset may not always
+ * fully copy all relevant parameters, but should still work usably in practice. however,
+ * more so than for other presets, many of the speed shortcuts used in ultrafast cannot be
+ * switched out of; using reconfig to switch between ultrafast and other presets is not
+ * recommended without a more fine-grained breakdown of parameters to take this into account. */
int x264_encoder_reconfig( x264_t *, x264_param_t * );
/* x264_encoder_parameters:
* copies the current internal set of parameters to the pointer provided
projects / x264 / blobdiff