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media/libvpx/vp8/common/onyx.h@ac0c01689b40 (annotated)

media/libvpx/vp8/common/onyx.h

Thu, 15 Jan 2015 15:59:08 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 15:59:08 +0100
branch
TOR_BUG_9701
changeset 10
ac0c01689b40
permissions
-rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /*
michael@0 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
michael@0 3 *
michael@0 4 * Use of this source code is governed by a BSD-style license
michael@0 5 * that can be found in the LICENSE file in the root of the source
michael@0 6 * tree. An additional intellectual property rights grant can be found
michael@0 7 * in the file PATENTS. All contributing project authors may
michael@0 8 * be found in the AUTHORS file in the root of the source tree.
michael@0 9 */
michael@0 10
michael@0 11
michael@0 12 #ifndef __INC_VP8_H
michael@0 13 #define __INC_VP8_H
michael@0 14
michael@0 15 #ifdef __cplusplus
michael@0 16 extern "C"
michael@0 17 {
michael@0 18 #endif
michael@0 19
michael@0 20 #include "vpx_config.h"
michael@0 21 #include "vpx/internal/vpx_codec_internal.h"
michael@0 22 #include "vpx/vp8cx.h"
michael@0 23 #include "vpx/vpx_encoder.h"
michael@0 24 #include "vpx_scale/yv12config.h"
michael@0 25 #include "ppflags.h"
michael@0 26
michael@0 27 struct VP8_COMP;
michael@0 28
michael@0 29 /* Create/destroy static data structures. */
michael@0 30
michael@0 31 typedef enum
michael@0 32 {
michael@0 33 NORMAL = 0,
michael@0 34 FOURFIVE = 1,
michael@0 35 THREEFIVE = 2,
michael@0 36 ONETWO = 3
michael@0 37
michael@0 38 } VPX_SCALING;
michael@0 39
michael@0 40 typedef enum
michael@0 41 {
michael@0 42 USAGE_STREAM_FROM_SERVER = 0x0,
michael@0 43 USAGE_LOCAL_FILE_PLAYBACK = 0x1,
michael@0 44 USAGE_CONSTRAINED_QUALITY = 0x2,
michael@0 45 USAGE_CONSTANT_QUALITY = 0x3
michael@0 46 } END_USAGE;
michael@0 47
michael@0 48
michael@0 49 typedef enum
michael@0 50 {
michael@0 51 MODE_REALTIME = 0x0,
michael@0 52 MODE_GOODQUALITY = 0x1,
michael@0 53 MODE_BESTQUALITY = 0x2,
michael@0 54 MODE_FIRSTPASS = 0x3,
michael@0 55 MODE_SECONDPASS = 0x4,
michael@0 56 MODE_SECONDPASS_BEST = 0x5
michael@0 57 } MODE;
michael@0 58
michael@0 59 typedef enum
michael@0 60 {
michael@0 61 FRAMEFLAGS_KEY = 1,
michael@0 62 FRAMEFLAGS_GOLDEN = 2,
michael@0 63 FRAMEFLAGS_ALTREF = 4
michael@0 64 } FRAMETYPE_FLAGS;
michael@0 65
michael@0 66
michael@0 67 #include <assert.h>
michael@0 68 static void Scale2Ratio(int mode, int *hr, int *hs)
michael@0 69 {
michael@0 70 switch (mode)
michael@0 71 {
michael@0 72 case NORMAL:
michael@0 73 *hr = 1;
michael@0 74 *hs = 1;
michael@0 75 break;
michael@0 76 case FOURFIVE:
michael@0 77 *hr = 4;
michael@0 78 *hs = 5;
michael@0 79 break;
michael@0 80 case THREEFIVE:
michael@0 81 *hr = 3;
michael@0 82 *hs = 5;
michael@0 83 break;
michael@0 84 case ONETWO:
michael@0 85 *hr = 1;
michael@0 86 *hs = 2;
michael@0 87 break;
michael@0 88 default:
michael@0 89 *hr = 1;
michael@0 90 *hs = 1;
michael@0 91 assert(0);
michael@0 92 break;
michael@0 93 }
michael@0 94 }
michael@0 95
michael@0 96 typedef struct
michael@0 97 {
michael@0 98 /* 4 versions of bitstream defined:
michael@0 99 * 0 best quality/slowest decode, 3 lowest quality/fastest decode
michael@0 100 */
michael@0 101 int Version;
michael@0 102 int Width;
michael@0 103 int Height;
michael@0 104 struct vpx_rational timebase;
michael@0 105 unsigned int target_bandwidth; /* kilobits per second */
michael@0 106
michael@0 107 /* parameter used for applying pre processing blur: recommendation 0 */
michael@0 108 int noise_sensitivity;
michael@0 109
michael@0 110 /* parameter used for sharpening output: recommendation 0: */
michael@0 111 int Sharpness;
michael@0 112 int cpu_used;
michael@0 113 unsigned int rc_max_intra_bitrate_pct;
michael@0 114
michael@0 115 /* mode ->
michael@0 116 *(0)=Realtime/Live Encoding. This mode is optimized for realtim
michael@0 117 * encoding (for example, capturing a television signal or feed
michael@0 118 * from a live camera). ( speed setting controls how fast )
michael@0 119 *(1)=Good Quality Fast Encoding. The encoder balances quality with
michael@0 120 * the amount of time it takes to encode the output. ( speed
michael@0 121 * setting controls how fast )
michael@0 122 *(2)=One Pass - Best Quality. The encoder places priority on the
michael@0 123 * quality of the output over encoding speed. The output is
michael@0 124 * compressed at the highest possible quality. This option takes
michael@0 125 * the longest amount of time to encode. ( speed setting ignored
michael@0 126 * )
michael@0 127 *(3)=Two Pass - First Pass. The encoder generates a file of
michael@0 128 * statistics for use in the second encoding pass. ( speed
michael@0 129 * setting controls how fast )
michael@0 130 *(4)=Two Pass - Second Pass. The encoder uses the statistics that
michael@0 131 * were generated in the first encoding pass to create the
michael@0 132 * compressed output. ( speed setting controls how fast )
michael@0 133 *(5)=Two Pass - Second Pass Best. The encoder uses the statistics
michael@0 134 * that were generated in the first encoding pass to create the
michael@0 135 * compressed output using the highest possible quality, and
michael@0 136 * taking a longer amount of time to encode.. ( speed setting
michael@0 137 * ignored )
michael@0 138 */
michael@0 139 int Mode;
michael@0 140
michael@0 141 /* Key Framing Operations */
michael@0 142 int auto_key; /* automatically detect cut scenes */
michael@0 143 int key_freq; /* maximum distance to key frame. */
michael@0 144
michael@0 145 /* lagged compression (if allow_lag == 0 lag_in_frames is ignored) */
michael@0 146 int allow_lag;
michael@0 147 int lag_in_frames; /* how many frames lag before we start encoding */
michael@0 148
michael@0 149 /*
michael@0 150 * DATARATE CONTROL OPTIONS
michael@0 151 */
michael@0 152
michael@0 153 int end_usage; /* vbr or cbr */
michael@0 154
michael@0 155 /* buffer targeting aggressiveness */
michael@0 156 int under_shoot_pct;
michael@0 157 int over_shoot_pct;
michael@0 158
michael@0 159 /* buffering parameters */
michael@0 160 int64_t starting_buffer_level;
michael@0 161 int64_t optimal_buffer_level;
michael@0 162 int64_t maximum_buffer_size;
michael@0 163
michael@0 164 int64_t starting_buffer_level_in_ms;
michael@0 165 int64_t optimal_buffer_level_in_ms;
michael@0 166 int64_t maximum_buffer_size_in_ms;
michael@0 167
michael@0 168 /* controlling quality */
michael@0 169 int fixed_q;
michael@0 170 int worst_allowed_q;
michael@0 171 int best_allowed_q;
michael@0 172 int cq_level;
michael@0 173
michael@0 174 /* allow internal resizing */
michael@0 175 int allow_spatial_resampling;
michael@0 176 int resample_down_water_mark;
michael@0 177 int resample_up_water_mark;
michael@0 178
michael@0 179 /* allow internal frame rate alterations */
michael@0 180 int allow_df;
michael@0 181 int drop_frames_water_mark;
michael@0 182
michael@0 183 /* two pass datarate control */
michael@0 184 int two_pass_vbrbias;
michael@0 185 int two_pass_vbrmin_section;
michael@0 186 int two_pass_vbrmax_section;
michael@0 187
michael@0 188 /*
michael@0 189 * END DATARATE CONTROL OPTIONS
michael@0 190 */
michael@0 191
michael@0 192 /* these parameters aren't to be used in final build don't use!!! */
michael@0 193 int play_alternate;
michael@0 194 int alt_freq;
michael@0 195 int alt_q;
michael@0 196 int key_q;
michael@0 197 int gold_q;
michael@0 198
michael@0 199
michael@0 200 int multi_threaded; /* how many threads to run the encoder on */
michael@0 201 int token_partitions; /* how many token partitions to create */
michael@0 202
michael@0 203 /* early breakout threshold: for video conf recommend 800 */
michael@0 204 int encode_breakout;
michael@0 205
michael@0 206 /* Bitfield defining the error resiliency features to enable.
michael@0 207 * Can provide decodable frames after losses in previous
michael@0 208 * frames and decodable partitions after losses in the same frame.
michael@0 209 */
michael@0 210 unsigned int error_resilient_mode;
michael@0 211
michael@0 212 int arnr_max_frames;
michael@0 213 int arnr_strength;
michael@0 214 int arnr_type;
michael@0 215
michael@0 216 struct vpx_fixed_buf two_pass_stats_in;
michael@0 217 struct vpx_codec_pkt_list *output_pkt_list;
michael@0 218
michael@0 219 vp8e_tuning tuning;
michael@0 220
michael@0 221 /* Temporal scaling parameters */
michael@0 222 unsigned int number_of_layers;
michael@0 223 unsigned int target_bitrate[VPX_TS_MAX_PERIODICITY];
michael@0 224 unsigned int rate_decimator[VPX_TS_MAX_PERIODICITY];
michael@0 225 unsigned int periodicity;
michael@0 226 unsigned int layer_id[VPX_TS_MAX_PERIODICITY];
michael@0 227
michael@0 228 #if CONFIG_MULTI_RES_ENCODING
michael@0 229 /* Number of total resolutions encoded */
michael@0 230 unsigned int mr_total_resolutions;
michael@0 231
michael@0 232 /* Current encoder ID */
michael@0 233 unsigned int mr_encoder_id;
michael@0 234
michael@0 235 /* Down-sampling factor */
michael@0 236 vpx_rational_t mr_down_sampling_factor;
michael@0 237
michael@0 238 /* Memory location to store low-resolution encoder's mode info */
michael@0 239 void* mr_low_res_mode_info;
michael@0 240 #endif
michael@0 241 } VP8_CONFIG;
michael@0 242
michael@0 243
michael@0 244 void vp8_initialize();
michael@0 245
michael@0 246 struct VP8_COMP* vp8_create_compressor(VP8_CONFIG *oxcf);
michael@0 247 void vp8_remove_compressor(struct VP8_COMP* *comp);
michael@0 248
michael@0 249 void vp8_init_config(struct VP8_COMP* onyx, VP8_CONFIG *oxcf);
michael@0 250 void vp8_change_config(struct VP8_COMP* onyx, VP8_CONFIG *oxcf);
michael@0 251
michael@0 252 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);
michael@0 253 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);
michael@0 254 int vp8_get_preview_raw_frame(struct VP8_COMP* comp, YV12_BUFFER_CONFIG *dest, vp8_ppflags_t *flags);
michael@0 255
michael@0 256 int vp8_use_as_reference(struct VP8_COMP* comp, int ref_frame_flags);
michael@0 257 int vp8_update_reference(struct VP8_COMP* comp, int ref_frame_flags);
michael@0 258 int vp8_get_reference(struct VP8_COMP* comp, enum vpx_ref_frame_type ref_frame_flag, YV12_BUFFER_CONFIG *sd);
michael@0 259 int vp8_set_reference(struct VP8_COMP* comp, enum vpx_ref_frame_type ref_frame_flag, YV12_BUFFER_CONFIG *sd);
michael@0 260 int vp8_update_entropy(struct VP8_COMP* comp, int update);
michael@0 261 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]);
michael@0 262 int vp8_set_active_map(struct VP8_COMP* comp, unsigned char *map, unsigned int rows, unsigned int cols);
michael@0 263 int vp8_set_internal_size(struct VP8_COMP* comp, VPX_SCALING horiz_mode, VPX_SCALING vert_mode);
michael@0 264 int vp8_get_quantizer(struct VP8_COMP* c);
michael@0 265
michael@0 266 #ifdef __cplusplus
michael@0 267 }
michael@0 268 #endif
michael@0 269
michael@0 270 #endif

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