ref: d9ca52452bff9481ec1ed4684985a86fb7fc3c3e
dir: /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 __INC_VP8_H
#define __INC_VP8_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
{
VP8_LAST_FLAG = 1,
VP8_GOLD_FLAG = 2,
VP8_ALT_FLAG = 4
} VP8_REFFRAME;
typedef enum
{
USAGE_STREAM_FROM_SERVER = 0x0,
USAGE_LOCAL_FILE_PLAYBACK = 0x1,
USAGE_CONSTRAINED_QUALITY = 0x2
} 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 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
{
int Version; // 4 versions of bitstream defined 0 best quality/slowest decode, 3 lowest quality/fastest decode
int Width; // width of data passed to the compressor
int Height; // height of data passed to the compressor
struct vpx_rational timebase;
int target_bandwidth; // bandwidth to be used in kilobits per second
int noise_sensitivity; // parameter used for applying pre processing blur: recommendation 0
int Sharpness; // parameter used for sharpening output: recommendation 0:
int cpu_used;
unsigned int rc_max_intra_bitrate_pct;
// 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 and set the keyframes
int key_freq; // maximum distance to key frame.
int allow_lag; // allow lagged compression (if 0 lagin frames is ignored)
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; // in bytes
int64_t optimal_buffer_level;
int64_t maximum_buffer_size;
int64_t starting_buffer_level_in_ms; // in milli-seconds
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 ( currently disabled in the build !!!!!)
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; // two pass datarate control tweaks
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 for multi core decoding
int encode_breakout; // early breakout encode threshold : for video conf recommend 800
unsigned int error_resilient_mode; // 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.
int arnr_max_frames;
int arnr_strength ;
int arnr_type ;
struct vpx_fixed_buf 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[MAX_PERIODICITY];
unsigned int rate_decimator[MAX_PERIODICITY];
unsigned int periodicity;
unsigned int layer_id[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);
// receive a frames worth of data caller can assume that a copy of this frame is made
// and not just a copy of the pointer..
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, unsigned long *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, VP8_REFFRAME ref_frame_flag, YV12_BUFFER_CONFIG *sd);
int vp8_set_reference(struct VP8_COMP* comp, VP8_REFFRAME 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