vpx/vp8/common/onyx.h

/*
 *  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_ONYX_H_
#define VP8_COMMON_ONYX_H_

#ifdef __cplusplus
extern "C" {
#endif

#include "vpx_config.h"
#include "vpx/internal/vpx_codec_internal.h"
#include "vpx/vp8cx.h"
#include "vpx/vpx_encoder.h"
#include "vpx_scale/yv12config.h"
#include "ppflags.h"

struct VP8_COMP;

/* Create/destroy static data structures. */

typedef enum {
  NORMAL = 0,
  FOURFIVE = 1,
  THREEFIVE = 2,
  ONETWO = 3
} VPX_SCALING;

typedef enum {
  USAGE_LOCAL_FILE_PLAYBACK = 0x0,
  USAGE_STREAM_FROM_SERVER = 0x1,
  USAGE_CONSTRAINED_QUALITY = 0x2,
  USAGE_CONSTANT_QUALITY = 0x3
} END_USAGE;

typedef enum {
  MODE_REALTIME = 0x0,
  MODE_GOODQUALITY = 0x1,
  MODE_BESTQUALITY = 0x2,
  MODE_FIRSTPASS = 0x3,
  MODE_SECONDPASS = 0x4,
  MODE_SECONDPASS_BEST = 0x5
} MODE;

typedef enum {
  FRAMEFLAGS_KEY = 1,
  FRAMEFLAGS_GOLDEN = 2,
  FRAMEFLAGS_ALTREF = 4
} FRAMETYPE_FLAGS;

#include <assert.h>
static INLINE void Scale2Ratio(int mode, int *hr, int *hs) {
  switch (mode) {
    case NORMAL:
      *hr = 1;
      *hs = 1;
      break;
    case FOURFIVE:
      *hr = 4;
      *hs = 5;
      break;
    case THREEFIVE:
      *hr = 3;
      *hs = 5;
      break;
    case ONETWO:
      *hr = 1;
      *hs = 2;
      break;
    default:
      *hr = 1;
      *hs = 1;
      assert(0);
      break;
  }
}

typedef struct {
  /* 4 versions of bitstream defined:
   *   0 best quality/slowest decode, 3 lowest quality/fastest decode
   */
  int Version;
  int Width;
  int Height;
  struct vpx_rational timebase;
  unsigned int target_bandwidth; /* kilobits per second */

  /* Parameter used for applying denoiser.
   * For temporal denoiser: noise_sensitivity = 0 means off,
   * noise_sensitivity = 1 means temporal denoiser on for Y channel only,
   * noise_sensitivity = 2 means temporal denoiser on for all channels.
   * noise_sensitivity = 3 means aggressive denoising mode.
   * noise_sensitivity >= 4 means adaptive denoising mode.
   * Temporal denoiser is enabled via the configuration option:
   * CONFIG_TEMPORAL_DENOISING.
   * For spatial denoiser: noise_sensitivity controls the amount of
   * pre-processing blur: noise_sensitivity = 0 means off.
   * Spatial denoiser invoked under !CONFIG_TEMPORAL_DENOISING.
   */
  int noise_sensitivity;

  /* parameter used for sharpening output: recommendation 0: */
  int Sharpness;
  int cpu_used;
  unsigned int rc_max_intra_bitrate_pct;
  /* percent of rate boost for golden frame in CBR mode. */
  unsigned int gf_cbr_boost_pct;
  unsigned int screen_content_mode;

  /* mode ->
   *(0)=Realtime/Live Encoding. This mode is optimized for realtim
   *    encoding (for example, capturing a television signal or feed
   *    from a live camera). ( speed setting controls how fast )
   *(1)=Good Quality Fast Encoding. The encoder balances quality with
   *    the amount of time it takes to encode the output. ( speed
   *    setting controls how fast )
   *(2)=One Pass - Best Quality. The encoder places priority on the
   *    quality of the output over encoding speed. The output is
   *    compressed at the highest possible quality. This option takes
   *    the longest amount of time to encode. ( speed setting ignored
   *    )
   *(3)=Two Pass - First Pass. The encoder generates a file of
   *    statistics for use in the second encoding pass. ( speed
   *    setting controls how fast )
   *(4)=Two Pass - Second Pass. The encoder uses the statistics that
   *    were generated in the first encoding pass to create the
   *    compressed output. ( speed setting controls how fast )
   *(5)=Two Pass - Second Pass Best.  The encoder uses the statistics
   *    that were generated in the first encoding pass to create the
   *    compressed output using the highest possible quality, and
   *    taking a longer amount of time to encode.. ( speed setting
   *    ignored )
   */
  int Mode;

  /* Key Framing Operations */
  int auto_key; /* automatically detect cut scenes */
  int key_freq; /* maximum distance to key frame. */

  /* lagged compression (if allow_lag == 0 lag_in_frames is ignored) */
  int allow_lag;
  int lag_in_frames; /* how many frames lag before we start encoding */

  /*
   * DATARATE CONTROL OPTIONS
   */

  int end_usage; /* vbr or cbr */

  /* buffer targeting aggressiveness */
  int under_shoot_pct;
  int over_shoot_pct;

  /* buffering parameters */
  int64_t starting_buffer_level;
  int64_t optimal_buffer_level;
  int64_t maximum_buffer_size;

  int64_t starting_buffer_level_in_ms;
  int64_t optimal_buffer_level_in_ms;
  int64_t maximum_buffer_size_in_ms;

  /* controlling quality */
  int fixed_q;
  int worst_allowed_q;
  int best_allowed_q;
  int cq_level;

  /* allow internal resizing */
  int allow_spatial_resampling;
  int resample_down_water_mark;
  int resample_up_water_mark;

  /* allow internal frame rate alterations */
  int allow_df;
  int drop_frames_water_mark;

  /* two pass datarate control */
  int two_pass_vbrbias;
  int two_pass_vbrmin_section;
  int two_pass_vbrmax_section;

  /*
   * END DATARATE CONTROL OPTIONS
   */

  /* these parameters aren't to be used in final build don't use!!! */
  int play_alternate;
  int alt_freq;
  int alt_q;
  int key_q;
  int gold_q;

  int multi_threaded;   /* how many threads to run the encoder on */
  int token_partitions; /* how many token partitions to create */

  /* early breakout threshold: for video conf recommend 800 */
  int encode_breakout;

  /* Bitfield defining the error resiliency features to enable.
   * Can provide decodable frames after losses in previous
   * frames and decodable partitions after losses in the same frame.
   */
  unsigned int error_resilient_mode;

  int arnr_max_frames;
  int arnr_strength;
  int arnr_type;

  vpx_fixed_buf_t two_pass_stats_in;
  struct vpx_codec_pkt_list *output_pkt_list;

  vp8e_tuning tuning;

  /* Temporal scaling parameters */
  unsigned int number_of_layers;
  unsigned int target_bitrate[VPX_TS_MAX_PERIODICITY];
  unsigned int rate_decimator[VPX_TS_MAX_PERIODICITY];
  unsigned int periodicity;
  unsigned int layer_id[VPX_TS_MAX_PERIODICITY];

#if CONFIG_MULTI_RES_ENCODING
  /* Number of total resolutions encoded */
  unsigned int mr_total_resolutions;

  /* Current encoder ID */
  unsigned int mr_encoder_id;

  /* Down-sampling factor */
  vpx_rational_t mr_down_sampling_factor;

  /* Memory location to store low-resolution encoder's mode info */
  void *mr_low_res_mode_info;
#endif
} VP8_CONFIG;

void vp8_initialize();

struct VP8_COMP *vp8_create_compressor(VP8_CONFIG *oxcf);
void vp8_remove_compressor(struct VP8_COMP **comp);

void vp8_init_config(struct VP8_COMP *onyx, VP8_CONFIG *oxcf);
void vp8_change_config(struct VP8_COMP *onyx, VP8_CONFIG *oxcf);

int vp8_receive_raw_frame(struct VP8_COMP *comp, unsigned int frame_flags,
                          YV12_BUFFER_CONFIG *sd, int64_t time_stamp,
                          int64_t end_time_stamp);
int vp8_get_compressed_data(struct VP8_COMP *comp, unsigned int *frame_flags,
                            size_t *size, unsigned char *dest,
                            unsigned char *dest_end, int64_t *time_stamp,
                            int64_t *time_end, int flush);
int vp8_get_preview_raw_frame(struct VP8_COMP *comp, YV12_BUFFER_CONFIG *dest,
                              vp8_ppflags_t *flags);

int vp8_use_as_reference(struct VP8_COMP *comp, int ref_frame_flags);
int vp8_update_reference(struct VP8_COMP *comp, int ref_frame_flags);
int vp8_get_reference(struct VP8_COMP *comp,
                      enum vpx_ref_frame_type ref_frame_flag,
                      YV12_BUFFER_CONFIG *sd);
int vp8_set_reference(struct VP8_COMP *comp,
                      enum vpx_ref_frame_type ref_frame_flag,
                      YV12_BUFFER_CONFIG *sd);
int vp8_update_entropy(struct VP8_COMP *comp, int update);
int vp8_set_roimap(struct VP8_COMP *comp, unsigned char *map, unsigned int rows,
                   unsigned int cols, int delta_q[4], int delta_lf[4],
                   unsigned int threshold[4]);
int vp8_set_active_map(struct VP8_COMP *comp, unsigned char *map,
                       unsigned int rows, unsigned int cols);
int vp8_set_internal_size(struct VP8_COMP *comp, VPX_SCALING horiz_mode,
                          VPX_SCALING vert_mode);
int vp8_get_quantizer(struct VP8_COMP *c);

#ifdef __cplusplus
}
#endif

#endif  // VP8_COMMON_ONYX_H_