Add libvpx thirdparty library

Only necessary files

1 files changed, 312 insertions, 0 deletions

diff --git a/thirdparty/libvpx/vp8/common/blockd.h b/thirdparty/libvpx/vp8/common/blockd.h
new file mode 100644
index 0000000000..192108a06d
--- /dev/null
+++ b/thirdparty/libvpx/vp8/common/blockd.h
@@ -0,0 +1,312 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+#ifndef VP8_COMMON_BLOCKD_H_
+#define VP8_COMMON_BLOCKD_H_
+
+void vpx_log(const char *format, ...);
+
+#include "vpx_config.h"
+#include "vpx_scale/yv12config.h"
+#include "mv.h"
+#include "treecoder.h"
+#include "vpx_ports/mem.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*#define DCPRED 1*/
+#define DCPREDSIMTHRESH 0
+#define DCPREDCNTTHRESH 3
+
+#define MB_FEATURE_TREE_PROBS   3
+#define MAX_MB_SEGMENTS         4
+
+#define MAX_REF_LF_DELTAS       4
+#define MAX_MODE_LF_DELTAS      4
+
+/* Segment Feature Masks */
+#define SEGMENT_DELTADATA   0
+#define SEGMENT_ABSDATA     1
+
+typedef struct
+{
+    int r, c;
+} POS;
+
+#define PLANE_TYPE_Y_NO_DC    0
+#define PLANE_TYPE_Y2         1
+#define PLANE_TYPE_UV         2
+#define PLANE_TYPE_Y_WITH_DC  3
+
+
+typedef char ENTROPY_CONTEXT;
+typedef struct
+{
+    ENTROPY_CONTEXT y1[4];
+    ENTROPY_CONTEXT u[2];
+    ENTROPY_CONTEXT v[2];
+    ENTROPY_CONTEXT y2;
+} ENTROPY_CONTEXT_PLANES;
+
+extern const unsigned char vp8_block2left[25];
+extern const unsigned char vp8_block2above[25];
+
+#define VP8_COMBINEENTROPYCONTEXTS( Dest, A, B) \
+    Dest = (A)+(B);
+
+
+typedef enum
+{
+    KEY_FRAME = 0,
+    INTER_FRAME = 1
+} FRAME_TYPE;
+
+typedef enum
+{
+    DC_PRED,            /* average of above and left pixels */
+    V_PRED,             /* vertical prediction */
+    H_PRED,             /* horizontal prediction */
+    TM_PRED,            /* Truemotion prediction */
+    B_PRED,             /* block based prediction, each block has its own prediction mode */
+
+    NEARESTMV,
+    NEARMV,
+    ZEROMV,
+    NEWMV,
+    SPLITMV,
+
+    MB_MODE_COUNT
+} MB_PREDICTION_MODE;
+
+/* Macroblock level features */
+typedef enum
+{
+    MB_LVL_ALT_Q = 0,               /* Use alternate Quantizer .... */
+    MB_LVL_ALT_LF = 1,              /* Use alternate loop filter value... */
+    MB_LVL_MAX = 2                  /* Number of MB level features supported */
+
+} MB_LVL_FEATURES;
+
+/* Segment Feature Masks */
+#define SEGMENT_ALTQ    0x01
+#define SEGMENT_ALT_LF  0x02
+
+#define VP8_YMODES  (B_PRED + 1)
+#define VP8_UV_MODES (TM_PRED + 1)
+
+#define VP8_MVREFS (1 + SPLITMV - NEARESTMV)
+
+typedef enum
+{
+    B_DC_PRED,          /* average of above and left pixels */
+    B_TM_PRED,
+
+    B_VE_PRED,           /* vertical prediction */
+    B_HE_PRED,           /* horizontal prediction */
+
+    B_LD_PRED,
+    B_RD_PRED,
+
+    B_VR_PRED,
+    B_VL_PRED,
+    B_HD_PRED,
+    B_HU_PRED,
+
+    LEFT4X4,
+    ABOVE4X4,
+    ZERO4X4,
+    NEW4X4,
+
+    B_MODE_COUNT
+} B_PREDICTION_MODE;
+
+#define VP8_BINTRAMODES (B_HU_PRED + 1)  /* 10 */
+#define VP8_SUBMVREFS (1 + NEW4X4 - LEFT4X4)
+
+/* For keyframes, intra block modes are predicted by the (already decoded)
+   modes for the Y blocks to the left and above us; for interframes, there
+   is a single probability table. */
+
+union b_mode_info
+{
+    B_PREDICTION_MODE as_mode;
+    int_mv mv;
+};
+
+typedef enum
+{
+    INTRA_FRAME = 0,
+    LAST_FRAME = 1,
+    GOLDEN_FRAME = 2,
+    ALTREF_FRAME = 3,
+    MAX_REF_FRAMES = 4
+} MV_REFERENCE_FRAME;
+
+typedef struct
+{
+    uint8_t mode, uv_mode;
+    uint8_t ref_frame;
+    uint8_t is_4x4;
+    int_mv mv;
+
+    uint8_t partitioning;
+    uint8_t mb_skip_coeff;                                /* does this mb has coefficients at all, 1=no coefficients, 0=need decode tokens */
+    uint8_t need_to_clamp_mvs;
+    uint8_t segment_id;                  /* Which set of segmentation parameters should be used for this MB */
+} MB_MODE_INFO;
+
+typedef struct modeinfo
+{
+    MB_MODE_INFO mbmi;
+    union b_mode_info bmi[16];
+} MODE_INFO;
+
+#if CONFIG_MULTI_RES_ENCODING
+/* The mb-level information needed to be stored for higher-resolution encoder */
+typedef struct
+{
+    MB_PREDICTION_MODE mode;
+    MV_REFERENCE_FRAME ref_frame;
+    int_mv mv;
+    int dissim;    /* dissimilarity level of the macroblock */
+} LOWER_RES_MB_INFO;
+
+/* The frame-level information needed to be stored for higher-resolution
+ *  encoder */
+typedef struct
+{
+    FRAME_TYPE frame_type;
+    int is_frame_dropped;
+    // The frame rate for the lowest resolution.
+    double low_res_framerate;
+    /* The frame number of each reference frames */
+    unsigned int low_res_ref_frames[MAX_REF_FRAMES];
+    // The video frame counter value for the key frame, for lowest resolution.
+    unsigned int key_frame_counter_value;
+    LOWER_RES_MB_INFO *mb_info;
+} LOWER_RES_FRAME_INFO;
+#endif
+
+typedef struct blockd
+{
+    short *qcoeff;
+    short *dqcoeff;
+    unsigned char  *predictor;
+    short *dequant;
+
+    int offset;
+    char *eob;
+
+    union b_mode_info bmi;
+} BLOCKD;
+
+typedef void (*vp8_subpix_fn_t)(unsigned char *src, int src_pitch, int xofst, int yofst, unsigned char *dst, int dst_pitch);
+
+typedef struct macroblockd
+{
+    DECLARE_ALIGNED(16, unsigned char,  predictor[384]);
+    DECLARE_ALIGNED(16, short, qcoeff[400]);
+    DECLARE_ALIGNED(16, short, dqcoeff[400]);
+    DECLARE_ALIGNED(16, char,  eobs[25]);
+
+    DECLARE_ALIGNED(16, short,  dequant_y1[16]);
+    DECLARE_ALIGNED(16, short,  dequant_y1_dc[16]);
+    DECLARE_ALIGNED(16, short,  dequant_y2[16]);
+    DECLARE_ALIGNED(16, short,  dequant_uv[16]);
+
+    /* 16 Y blocks, 4 U, 4 V, 1 DC 2nd order block, each with 16 entries. */
+    BLOCKD block[25];
+    int fullpixel_mask;
+
+    YV12_BUFFER_CONFIG pre; /* Filtered copy of previous frame reconstruction */
+    YV12_BUFFER_CONFIG dst;
+
+    MODE_INFO *mode_info_context;
+    int mode_info_stride;
+
+    FRAME_TYPE frame_type;
+
+    int up_available;
+    int left_available;
+
+    unsigned char *recon_above[3];
+    unsigned char *recon_left[3];
+    int recon_left_stride[2];
+
+    /* Y,U,V,Y2 */
+    ENTROPY_CONTEXT_PLANES *above_context;
+    ENTROPY_CONTEXT_PLANES *left_context;
+
+    /* 0 indicates segmentation at MB level is not enabled. Otherwise the individual bits indicate which features are active. */
+    unsigned char segmentation_enabled;
+
+    /* 0 (do not update) 1 (update) the macroblock segmentation map. */
+    unsigned char update_mb_segmentation_map;
+
+    /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
+    unsigned char update_mb_segmentation_data;
+
+    /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
+    unsigned char mb_segement_abs_delta;
+
+    /* Per frame flags that define which MB level features (such as quantizer or loop filter level) */
+    /* are enabled and when enabled the proabilities used to decode the per MB flags in MB_MODE_INFO */
+    vp8_prob mb_segment_tree_probs[MB_FEATURE_TREE_PROBS];         /* Probability Tree used to code Segment number */
+
+    signed char segment_feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS];            /* Segment parameters */
+
+    /* mode_based Loop filter adjustment */
+    unsigned char mode_ref_lf_delta_enabled;
+    unsigned char mode_ref_lf_delta_update;
+
+    /* Delta values have the range +/- MAX_LOOP_FILTER */
+    signed char last_ref_lf_deltas[MAX_REF_LF_DELTAS];                /* 0 = Intra, Last, GF, ARF */
+    signed char ref_lf_deltas[MAX_REF_LF_DELTAS];                     /* 0 = Intra, Last, GF, ARF */
+    signed char last_mode_lf_deltas[MAX_MODE_LF_DELTAS];                      /* 0 = BPRED, ZERO_MV, MV, SPLIT */
+    signed char mode_lf_deltas[MAX_MODE_LF_DELTAS];                           /* 0 = BPRED, ZERO_MV, MV, SPLIT */
+
+    /* Distance of MB away from frame edges */
+    int mb_to_left_edge;
+    int mb_to_right_edge;
+    int mb_to_top_edge;
+    int mb_to_bottom_edge;
+
+
+
+    vp8_subpix_fn_t  subpixel_predict;
+    vp8_subpix_fn_t  subpixel_predict8x4;
+    vp8_subpix_fn_t  subpixel_predict8x8;
+    vp8_subpix_fn_t  subpixel_predict16x16;
+
+    void *current_bc;
+
+    int corrupted;
+
+#if ARCH_X86 || ARCH_X86_64
+    /* This is an intermediate buffer currently used in sub-pixel motion search
+     * to keep a copy of the reference area. This buffer can be used for other
+     * purpose.
+     */
+    DECLARE_ALIGNED(32, unsigned char, y_buf[22*32]);
+#endif
+} MACROBLOCKD;
+
+
+extern void vp8_build_block_doffsets(MACROBLOCKD *x);
+extern void vp8_setup_block_dptrs(MACROBLOCKD *x);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VP8_COMMON_BLOCKD_H_