#ifndef _X264_H
#define _X264_H 1
-#define X264_BUILD 0x000a
+#if !defined(_STDINT_H) && !defined(_STDINT_H_) && \
+ !defined(_INTTYPES_H) && !defined(_INTTYPES_H_)
+# ifdef _MSC_VER
+# pragma message("You must include stdint.h or inttypes.h before x264.h")
+# else
+# warning You must include stdint.h or inttypes.h before x264.h
+# endif
+#endif
+
+#include <stdarg.h>
+
+#define X264_BUILD 34
/* x264_t:
* opaque handler for decoder and encoder */
/* 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 */
#define X264_ANALYSE_PSUB8x8 0x0020 /* Analyse p8x4, p4x8, p4x4 */
+#define X264_ANALYSE_BSUB16x16 0x0100 /* Analyse b16x8, b8x16 and b8x8 */
+#define X264_DIRECT_PRED_NONE 0
+#define X264_DIRECT_PRED_SPATIAL 1
+#define X264_DIRECT_PRED_TEMPORAL 2
+#define X264_ME_DIA 0
+#define X264_ME_HEX 1
+#define X264_ME_UMH 2
+#define X264_ME_ESA 3
+#define X264_CQM_FLAT 0
+#define X264_CQM_JVT 1
+#define X264_CQM_CUSTOM 2
/* Colorspace type
*/
#define X264_TYPE_IDR 0x0001
#define X264_TYPE_I 0x0002
#define X264_TYPE_P 0x0003
-#define X264_TYPE_B 0x0004
+#define X264_TYPE_BREF 0x0004 /* Non-disposable B-frame */
+#define X264_TYPE_B 0x0005
+#define IS_X264_TYPE_I(x) ((x)==X264_TYPE_I || (x)==X264_TYPE_IDR)
+#define IS_X264_TYPE_B(x) ((x)==X264_TYPE_B || (x)==X264_TYPE_BREF)
/* Log level
*/
#define X264_LOG_INFO 2
#define X264_LOG_DEBUG 3
+typedef struct
+{
+ int i_start, i_end;
+ int b_force_qp;
+ int i_qp;
+ float f_bitrate_factor;
+} x264_zone_t;
+
typedef struct
{
/* CPU flags */
unsigned int cpu;
+ int i_threads; /* divide each frame into multiple slices, encode in parallel */
/* Video Properties */
int i_width;
int i_height;
int i_csp; /* CSP of encoded bitstream, only i420 supported */
+ int i_level_idc;
struct
{
/* Bitstream parameters */
int i_frame_reference; /* Maximum number of reference frames */
- int i_idrframe; /* every i_idrframe I frame are marked as IDR */
- int i_iframe; /* every i_iframe are intra */
+ int i_keyint_max; /* Force an IDR keyframe at this interval */
+ int i_keyint_min; /* Scenecuts closer together than this are coded as I, not IDR. */
+ int i_scenecut_threshold; /* how aggressively to insert extra I frames */
int i_bframe; /* how many b-frame between 2 references pictures */
+ int b_bframe_adaptive;
+ int i_bframe_bias;
+ int b_bframe_pyramid; /* Keep some B-frames as references */
int b_deblocking_filter;
int i_deblocking_filter_alphac0; /* [-6, 6] -6 light filter, 6 strong */
int b_cabac;
int i_cabac_init_idc;
+ int i_cqm_preset;
+ char *psz_cqm_file; /* JM format */
+ int8_t cqm_4iy[16]; /* used only if i_cqm_preset == X264_CQM_CUSTOM */
+ int8_t cqm_4ic[16];
+ int8_t cqm_4py[16];
+ int8_t cqm_4pc[16];
+ int8_t cqm_8iy[64];
+ int8_t cqm_8py[64];
/* Log */
void (*pf_log)( void *, int i_level, const char *psz, va_list );
void *p_log_private;
int i_log_level;
+ int b_visualize;
/* Encoder analyser parameters */
struct
{
- unsigned int intra; /* intra flags */
- unsigned int inter; /* inter flags */
+ unsigned int intra; /* intra partitions */
+ unsigned int inter; /* inter partitions */
+
+ int b_transform_8x8;
+
+ int i_direct_mv_pred; /* spatial vs temporal mv prediction */
+ int i_me_method; /* motion estimation algorithm to use (X264_ME_*) */
+ int i_me_range; /* integer pixel motion estimation search range (from predicted mv) */
+ int i_subpel_refine; /* subpixel motion estimation quality */
+ int b_chroma_me; /* chroma ME for subpel and mode decision in P-frames */
+ int i_mv_range; /* maximum length of a mv (in pixels) */
+
+ int b_weighted_bipred; /* implicit weighting for B-frames */
+
+ int i_chroma_qp_offset;
int b_psnr; /* Do we compute PSNR stats (save a few % of cpu) */
} analyse;
int i_qp_max; /* max allowed QP value */
int i_qp_step; /* max QP step between frames */
- int b_cbr; /* constant bitrate */
+ int b_cbr; /* use bitrate instead of CQP */
int i_bitrate;
- int i_rc_buffer_size;
- int i_rc_init_buffer;
- int i_rc_sens; /* rate control sensitivity */
+ float f_rate_tolerance;
+ int i_vbv_max_bitrate;
+ int i_vbv_buffer_size;
+ float f_vbv_buffer_init;
float f_ip_factor;
float f_pb_factor;
int b_stat_read; /* Read stat from psz_stat_in and use it */
char *psz_stat_in;
- /* 2pass params (same than ffmpeg ones) */
+ /* 2pass params (same as ffmpeg ones) */
char *psz_rc_eq; /* 2 pass rate control equation */
float f_qcompress; /* 0.0 => cbr, 1.0 => constant qp */
float f_qblur; /* temporally blur quants */
+ float f_complexity_blur; /* temporally blur complexity */
+ x264_zone_t *zones; /* ratecontrol overrides */
+ int i_zones; /* sumber of zone_t's */
+ char *psz_zones; /* alternate method of specifying zones */
} rc;
+ int b_aud; /* generate access unit delimiters */
} x264_param_t;
/* x264_param_default:
NAL_SLICE_IDR = 5, /* ref_idc != 0 */
NAL_SEI = 6, /* ref_idc == 0 */
NAL_SPS = 7,
- NAL_PPS = 8
+ NAL_PPS = 8,
+ NAL_AUD = 9,
/* ref_idc == 0 for 6,9,10,11,12 */
};
enum nal_priority_e
/* x264_encoder_open:
* create a new encoder handler, all parameters from x264_param_t are copied */
x264_t *x264_encoder_open ( x264_param_t * );
+/* x264_encoder_reconfig:
+ * change encoder options while encoding,
+ * analysis-related parameters from x264_param_t are copied */
+int x264_encoder_reconfig( x264_t *, x264_param_t * );
/* x264_encoder_headers:
* return the SPS and PPS that will be used for the whole stream */
int x264_encoder_headers( x264_t *, x264_nal_t **, int * );
/* x264_encoder_encode:
* encode one picture */
-int x264_encoder_encode ( x264_t *, x264_nal_t **, int *, x264_picture_t * );
+int x264_encoder_encode ( x264_t *, x264_nal_t **, int *, x264_picture_t *, x264_picture_t * );
/* x264_encoder_close:
* close an encoder handler */
void x264_encoder_close ( x264_t * );