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gecko-dev/media/libvpx/vp8/common/onyx.h

282 строки
9.3 KiB
C
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/*
* 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 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;
/* 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, 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, 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_
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