xref: /aosp_15_r20/external/libvpx/vp8/vp8_cx_iface.c (revision fb1b10ab9aebc7c7068eedab379b749d7e3900be)
1 /*
2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #include <limits.h>
12 #include <stdint.h>
13 #include <stdlib.h>
14 #include <string.h>
15 
16 #include "./vpx_config.h"
17 #include "./vp8_rtcd.h"
18 #include "./vpx_dsp_rtcd.h"
19 #include "./vpx_scale_rtcd.h"
20 #include "vpx/vpx_encoder.h"
21 #include "vpx/internal/vpx_codec_internal.h"
22 #include "vpx_version.h"
23 #include "vpx_mem/vpx_mem.h"
24 #include "vpx_ports/static_assert.h"
25 #include "vpx_ports/system_state.h"
26 #include "vpx_util/vpx_timestamp.h"
27 #if CONFIG_MULTITHREAD
28 #include "vp8/encoder/ethreading.h"
29 #endif
30 #include "vp8/encoder/onyx_int.h"
31 #include "vpx/vp8cx.h"
32 #include "vp8/encoder/firstpass.h"
33 #include "vp8/common/onyx.h"
34 #include "vp8/common/common.h"
35 
36 struct vp8_extracfg {
37   struct vpx_codec_pkt_list *pkt_list;
38   int cpu_used; /** available cpu percentage in 1/16*/
39   /** if encoder decides to uses alternate reference frame */
40   unsigned int enable_auto_alt_ref;
41   unsigned int noise_sensitivity;
42   unsigned int Sharpness;
43   unsigned int static_thresh;
44   unsigned int token_partitions;
45   unsigned int arnr_max_frames; /* alt_ref Noise Reduction Max Frame Count */
46   unsigned int arnr_strength;   /* alt_ref Noise Reduction Strength */
47   unsigned int arnr_type;       /* alt_ref filter type */
48   vp8e_tuning tuning;
49   unsigned int cq_level; /* constrained quality level */
50   unsigned int rc_max_intra_bitrate_pct;
51   unsigned int gf_cbr_boost_pct;
52   unsigned int screen_content_mode;
53 };
54 
55 static struct vp8_extracfg default_extracfg = {
56   NULL,
57 #if !(CONFIG_REALTIME_ONLY)
58   0, /* cpu_used      */
59 #else
60   4,                      /* cpu_used      */
61 #endif
62   0, /* enable_auto_alt_ref */
63   0, /* noise_sensitivity */
64   0, /* Sharpness */
65   0, /* static_thresh */
66 #if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
67   VP8_EIGHT_TOKENPARTITION,
68 #else
69   VP8_ONE_TOKENPARTITION, /* token_partitions */
70 #endif
71   0,  /* arnr_max_frames */
72   3,  /* arnr_strength */
73   3,  /* arnr_type*/
74   0,  /* tuning*/
75   10, /* cq_level */
76   0,  /* rc_max_intra_bitrate_pct */
77   0,  /* gf_cbr_boost_pct */
78   0,  /* screen_content_mode */
79 };
80 
81 struct vpx_codec_alg_priv {
82   vpx_codec_priv_t base;
83   vpx_codec_enc_cfg_t cfg;
84   struct vp8_extracfg vp8_cfg;
85   vpx_rational64_t timestamp_ratio;
86   vpx_codec_pts_t pts_offset;
87   unsigned char pts_offset_initialized;
88   VP8_CONFIG oxcf;
89   struct VP8_COMP *cpi;
90   unsigned char *cx_data;
91   unsigned int cx_data_sz;
92   vpx_image_t preview_img;
93   unsigned int next_frame_flag;
94   vp8_postproc_cfg_t preview_ppcfg;
95   /* pkt_list size depends on the maximum number of lagged frames allowed. */
96   vpx_codec_pkt_list_decl(64) pkt_list;
97   unsigned int fixed_kf_cntr;
98   vpx_enc_frame_flags_t control_frame_flags;
99 };
100 
101 // Called by vp8e_set_config() and vp8e_encode() only. Must not be called
102 // by vp8e_init() because the `error` paramerer (cpi->common.error) will be
103 // destroyed by vpx_codec_enc_init_ver() after vp8e_init() returns an error.
104 // See the "IMPORTANT" comment in vpx_codec_enc_init_ver().
update_error_state(vpx_codec_alg_priv_t * ctx,const struct vpx_internal_error_info * error)105 static vpx_codec_err_t update_error_state(
106     vpx_codec_alg_priv_t *ctx, const struct vpx_internal_error_info *error) {
107   const vpx_codec_err_t res = error->error_code;
108 
109   if (res != VPX_CODEC_OK)
110     ctx->base.err_detail = error->has_detail ? error->detail : NULL;
111 
112   return res;
113 }
114 
115 #undef ERROR
116 #define ERROR(str)                  \
117   do {                              \
118     ctx->base.err_detail = str;     \
119     return VPX_CODEC_INVALID_PARAM; \
120   } while (0)
121 
122 #define RANGE_CHECK(p, memb, lo, hi)                                     \
123   do {                                                                   \
124     if (!(((p)->memb == (lo) || (p)->memb > (lo)) && (p)->memb <= (hi))) \
125       ERROR(#memb " out of range [" #lo ".." #hi "]");                   \
126   } while (0)
127 
128 #define RANGE_CHECK_HI(p, memb, hi)                                     \
129   do {                                                                  \
130     if (!((p)->memb <= (hi))) ERROR(#memb " out of range [.." #hi "]"); \
131   } while (0)
132 
133 #define RANGE_CHECK_LO(p, memb, lo)                                     \
134   do {                                                                  \
135     if (!((p)->memb >= (lo))) ERROR(#memb " out of range [" #lo "..]"); \
136   } while (0)
137 
138 #define RANGE_CHECK_BOOL(p, memb)                                     \
139   do {                                                                \
140     if (!!((p)->memb) != (p)->memb) ERROR(#memb " expected boolean"); \
141   } while (0)
142 
validate_config(vpx_codec_alg_priv_t * ctx,const vpx_codec_enc_cfg_t * cfg,const struct vp8_extracfg * vp8_cfg,int finalize)143 static vpx_codec_err_t validate_config(vpx_codec_alg_priv_t *ctx,
144                                        const vpx_codec_enc_cfg_t *cfg,
145                                        const struct vp8_extracfg *vp8_cfg,
146                                        int finalize) {
147   RANGE_CHECK(cfg, g_w, 1, 16383); /* 14 bits available */
148   RANGE_CHECK(cfg, g_h, 1, 16383); /* 14 bits available */
149   RANGE_CHECK(cfg, g_timebase.den, 1, 1000000000);
150   RANGE_CHECK(cfg, g_timebase.num, 1, 1000000000);
151   RANGE_CHECK_HI(cfg, g_profile, 3);
152   RANGE_CHECK_HI(cfg, rc_max_quantizer, 63);
153   RANGE_CHECK_HI(cfg, rc_min_quantizer, cfg->rc_max_quantizer);
154   RANGE_CHECK_HI(cfg, g_threads, 64);
155 #if CONFIG_REALTIME_ONLY
156   RANGE_CHECK_HI(cfg, g_lag_in_frames, 0);
157 #elif CONFIG_MULTI_RES_ENCODING
158   if (ctx->base.enc.total_encoders > 1) RANGE_CHECK_HI(cfg, g_lag_in_frames, 0);
159 #else
160   RANGE_CHECK_HI(cfg, g_lag_in_frames, 25);
161 #endif
162   RANGE_CHECK(cfg, rc_end_usage, VPX_VBR, VPX_Q);
163   RANGE_CHECK_HI(cfg, rc_undershoot_pct, 100);
164   RANGE_CHECK_HI(cfg, rc_overshoot_pct, 100);
165   RANGE_CHECK_HI(cfg, rc_2pass_vbr_bias_pct, 100);
166   RANGE_CHECK(cfg, kf_mode, VPX_KF_DISABLED, VPX_KF_AUTO);
167 
168 /* TODO: add spatial re-sampling support and frame dropping in
169  * multi-res-encoder.*/
170 #if CONFIG_MULTI_RES_ENCODING
171   if (ctx->base.enc.total_encoders > 1)
172     RANGE_CHECK_HI(cfg, rc_resize_allowed, 0);
173 #else
174   RANGE_CHECK_BOOL(cfg, rc_resize_allowed);
175 #endif
176   RANGE_CHECK_HI(cfg, rc_dropframe_thresh, 100);
177   RANGE_CHECK_HI(cfg, rc_resize_up_thresh, 100);
178   RANGE_CHECK_HI(cfg, rc_resize_down_thresh, 100);
179 
180 #if CONFIG_REALTIME_ONLY
181   RANGE_CHECK(cfg, g_pass, VPX_RC_ONE_PASS, VPX_RC_ONE_PASS);
182 #elif CONFIG_MULTI_RES_ENCODING
183   if (ctx->base.enc.total_encoders > 1)
184     RANGE_CHECK(cfg, g_pass, VPX_RC_ONE_PASS, VPX_RC_ONE_PASS);
185 #else
186   RANGE_CHECK(cfg, g_pass, VPX_RC_ONE_PASS, VPX_RC_LAST_PASS);
187 #endif
188 
189   /* VP8 does not support a lower bound on the keyframe interval in
190    * automatic keyframe placement mode.
191    */
192   if (cfg->kf_mode != VPX_KF_DISABLED && cfg->kf_min_dist != cfg->kf_max_dist &&
193       cfg->kf_min_dist > 0)
194     ERROR(
195         "kf_min_dist not supported in auto mode, use 0 "
196         "or kf_max_dist instead.");
197 
198   RANGE_CHECK_BOOL(vp8_cfg, enable_auto_alt_ref);
199   RANGE_CHECK(vp8_cfg, cpu_used, -16, 16);
200 
201 #if CONFIG_REALTIME_ONLY && !CONFIG_TEMPORAL_DENOISING
202   RANGE_CHECK(vp8_cfg, noise_sensitivity, 0, 0);
203 #else
204   RANGE_CHECK_HI(vp8_cfg, noise_sensitivity, 6);
205 #endif
206 
207   RANGE_CHECK(vp8_cfg, token_partitions, VP8_ONE_TOKENPARTITION,
208               VP8_EIGHT_TOKENPARTITION);
209   RANGE_CHECK_HI(vp8_cfg, Sharpness, 7);
210   RANGE_CHECK(vp8_cfg, arnr_max_frames, 0, 15);
211   RANGE_CHECK_HI(vp8_cfg, arnr_strength, 6);
212   RANGE_CHECK(vp8_cfg, arnr_type, 1, 3);
213   RANGE_CHECK(vp8_cfg, cq_level, 0, 63);
214   RANGE_CHECK_HI(vp8_cfg, screen_content_mode, 2);
215   if (finalize && (cfg->rc_end_usage == VPX_CQ || cfg->rc_end_usage == VPX_Q))
216     RANGE_CHECK(vp8_cfg, cq_level, cfg->rc_min_quantizer,
217                 cfg->rc_max_quantizer);
218 
219 #if !(CONFIG_REALTIME_ONLY)
220   if (cfg->g_pass == VPX_RC_LAST_PASS) {
221     size_t packet_sz = sizeof(FIRSTPASS_STATS);
222     int n_packets = (int)(cfg->rc_twopass_stats_in.sz / packet_sz);
223     FIRSTPASS_STATS *stats;
224 
225     if (!cfg->rc_twopass_stats_in.buf)
226       ERROR("rc_twopass_stats_in.buf not set.");
227 
228     if (cfg->rc_twopass_stats_in.sz % packet_sz)
229       ERROR("rc_twopass_stats_in.sz indicates truncated packet.");
230 
231     if (cfg->rc_twopass_stats_in.sz < 2 * packet_sz)
232       ERROR("rc_twopass_stats_in requires at least two packets.");
233 
234     stats = (void *)((char *)cfg->rc_twopass_stats_in.buf +
235                      (n_packets - 1) * packet_sz);
236 
237     if ((int)(stats->count + 0.5) != n_packets - 1)
238       ERROR("rc_twopass_stats_in missing EOS stats packet");
239   }
240 #endif
241 
242   RANGE_CHECK(cfg, ts_number_layers, 1, 5);
243 
244   if (cfg->ts_number_layers > 1) {
245     unsigned int i;
246     RANGE_CHECK_HI(cfg, ts_periodicity, 16);
247 
248     for (i = 1; i < cfg->ts_number_layers; ++i) {
249       if (cfg->ts_target_bitrate[i] <= cfg->ts_target_bitrate[i - 1] &&
250           cfg->rc_target_bitrate > 0)
251         ERROR("ts_target_bitrate entries are not strictly increasing");
252     }
253 
254     RANGE_CHECK(cfg, ts_rate_decimator[cfg->ts_number_layers - 1], 1, 1);
255     for (i = cfg->ts_number_layers - 2; i > 0; i--) {
256       if (cfg->ts_rate_decimator[i - 1] != 2 * cfg->ts_rate_decimator[i])
257         ERROR("ts_rate_decimator factors are not powers of 2");
258     }
259 
260     RANGE_CHECK_HI(cfg, ts_layer_id[i], cfg->ts_number_layers - 1);
261   }
262 
263 #if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
264   if (cfg->g_threads > (1 << vp8_cfg->token_partitions))
265     ERROR("g_threads cannot be bigger than number of token partitions");
266 #endif
267 
268   // The range below shall be further tuned.
269   RANGE_CHECK(cfg, use_vizier_rc_params, 0, 1);
270   RANGE_CHECK(cfg, active_wq_factor.den, 1, 1000);
271   RANGE_CHECK(cfg, err_per_mb_factor.den, 1, 1000);
272   RANGE_CHECK(cfg, sr_default_decay_limit.den, 1, 1000);
273   RANGE_CHECK(cfg, sr_diff_factor.den, 1, 1000);
274   RANGE_CHECK(cfg, kf_err_per_mb_factor.den, 1, 1000);
275   RANGE_CHECK(cfg, kf_frame_min_boost_factor.den, 1, 1000);
276   RANGE_CHECK(cfg, kf_frame_max_boost_subs_factor.den, 1, 1000);
277   RANGE_CHECK(cfg, kf_max_total_boost_factor.den, 1, 1000);
278   RANGE_CHECK(cfg, gf_max_total_boost_factor.den, 1, 1000);
279   RANGE_CHECK(cfg, gf_frame_max_boost_factor.den, 1, 1000);
280   RANGE_CHECK(cfg, zm_factor.den, 1, 1000);
281   RANGE_CHECK(cfg, rd_mult_inter_qp_fac.den, 1, 1000);
282   RANGE_CHECK(cfg, rd_mult_arf_qp_fac.den, 1, 1000);
283   RANGE_CHECK(cfg, rd_mult_key_qp_fac.den, 1, 1000);
284 
285   return VPX_CODEC_OK;
286 }
287 
validate_img(vpx_codec_alg_priv_t * ctx,const vpx_image_t * img)288 static vpx_codec_err_t validate_img(vpx_codec_alg_priv_t *ctx,
289                                     const vpx_image_t *img) {
290   switch (img->fmt) {
291     case VPX_IMG_FMT_YV12:
292     case VPX_IMG_FMT_I420:
293     case VPX_IMG_FMT_NV12: break;
294     default:
295       ERROR(
296           "Invalid image format. Only YV12, I420 and NV12 images are "
297           "supported");
298   }
299 
300   if ((img->d_w != ctx->cfg.g_w) || (img->d_h != ctx->cfg.g_h))
301     ERROR("Image size must match encoder init configuration size");
302 
303   return VPX_CODEC_OK;
304 }
305 
set_vp8e_config(VP8_CONFIG * oxcf,vpx_codec_enc_cfg_t cfg,struct vp8_extracfg vp8_cfg,vpx_codec_priv_enc_mr_cfg_t * mr_cfg)306 static vpx_codec_err_t set_vp8e_config(VP8_CONFIG *oxcf,
307                                        vpx_codec_enc_cfg_t cfg,
308                                        struct vp8_extracfg vp8_cfg,
309                                        vpx_codec_priv_enc_mr_cfg_t *mr_cfg) {
310   oxcf->multi_threaded = cfg.g_threads;
311   oxcf->Version = cfg.g_profile;
312 
313   oxcf->Width = cfg.g_w;
314   oxcf->Height = cfg.g_h;
315   oxcf->timebase = cfg.g_timebase;
316 
317   oxcf->error_resilient_mode = cfg.g_error_resilient;
318 
319   switch (cfg.g_pass) {
320     case VPX_RC_ONE_PASS: oxcf->Mode = MODE_BESTQUALITY; break;
321     case VPX_RC_FIRST_PASS: oxcf->Mode = MODE_FIRSTPASS; break;
322     case VPX_RC_LAST_PASS: oxcf->Mode = MODE_SECONDPASS_BEST; break;
323   }
324 
325   if (cfg.g_pass == VPX_RC_FIRST_PASS || cfg.g_pass == VPX_RC_ONE_PASS) {
326     oxcf->allow_lag = 0;
327     oxcf->lag_in_frames = 0;
328   } else {
329     oxcf->allow_lag = (cfg.g_lag_in_frames) > 0;
330     oxcf->lag_in_frames = cfg.g_lag_in_frames;
331   }
332 
333   oxcf->allow_df = (cfg.rc_dropframe_thresh > 0);
334   oxcf->drop_frames_water_mark = cfg.rc_dropframe_thresh;
335 
336   oxcf->allow_spatial_resampling = cfg.rc_resize_allowed;
337   oxcf->resample_up_water_mark = cfg.rc_resize_up_thresh;
338   oxcf->resample_down_water_mark = cfg.rc_resize_down_thresh;
339 
340   if (cfg.rc_end_usage == VPX_VBR) {
341     oxcf->end_usage = USAGE_LOCAL_FILE_PLAYBACK;
342   } else if (cfg.rc_end_usage == VPX_CBR) {
343     oxcf->end_usage = USAGE_STREAM_FROM_SERVER;
344   } else if (cfg.rc_end_usage == VPX_CQ) {
345     oxcf->end_usage = USAGE_CONSTRAINED_QUALITY;
346   } else if (cfg.rc_end_usage == VPX_Q) {
347     oxcf->end_usage = USAGE_CONSTANT_QUALITY;
348   }
349 
350   // Cap the target rate to 1000 Mbps to avoid some integer overflows in
351   // target bandwidth calculations.
352   oxcf->target_bandwidth = VPXMIN(cfg.rc_target_bitrate, 1000000);
353   oxcf->rc_max_intra_bitrate_pct = vp8_cfg.rc_max_intra_bitrate_pct;
354   oxcf->gf_cbr_boost_pct = vp8_cfg.gf_cbr_boost_pct;
355 
356   oxcf->best_allowed_q = cfg.rc_min_quantizer;
357   oxcf->worst_allowed_q = cfg.rc_max_quantizer;
358   oxcf->cq_level = vp8_cfg.cq_level;
359   oxcf->fixed_q = -1;
360 
361   oxcf->under_shoot_pct = cfg.rc_undershoot_pct;
362   oxcf->over_shoot_pct = cfg.rc_overshoot_pct;
363 
364   oxcf->maximum_buffer_size_in_ms = cfg.rc_buf_sz;
365   oxcf->starting_buffer_level_in_ms = cfg.rc_buf_initial_sz;
366   oxcf->optimal_buffer_level_in_ms = cfg.rc_buf_optimal_sz;
367 
368   oxcf->maximum_buffer_size = cfg.rc_buf_sz;
369   oxcf->starting_buffer_level = cfg.rc_buf_initial_sz;
370   oxcf->optimal_buffer_level = cfg.rc_buf_optimal_sz;
371 
372   oxcf->two_pass_vbrbias = cfg.rc_2pass_vbr_bias_pct;
373   oxcf->two_pass_vbrmin_section = cfg.rc_2pass_vbr_minsection_pct;
374   oxcf->two_pass_vbrmax_section = cfg.rc_2pass_vbr_maxsection_pct;
375 
376   oxcf->auto_key =
377       cfg.kf_mode == VPX_KF_AUTO && cfg.kf_min_dist != cfg.kf_max_dist;
378   oxcf->key_freq = cfg.kf_max_dist;
379 
380   oxcf->number_of_layers = cfg.ts_number_layers;
381   oxcf->periodicity = cfg.ts_periodicity;
382 
383   if (oxcf->number_of_layers > 1) {
384     memcpy(oxcf->target_bitrate, cfg.ts_target_bitrate,
385            sizeof(cfg.ts_target_bitrate));
386     memcpy(oxcf->rate_decimator, cfg.ts_rate_decimator,
387            sizeof(cfg.ts_rate_decimator));
388     memcpy(oxcf->layer_id, cfg.ts_layer_id, sizeof(cfg.ts_layer_id));
389   }
390 
391 #if CONFIG_MULTI_RES_ENCODING
392   /* When mr_cfg is NULL, oxcf->mr_total_resolutions and oxcf->mr_encoder_id
393    * are both memset to 0, which ensures the correct logic under this
394    * situation.
395    */
396   if (mr_cfg) {
397     oxcf->mr_total_resolutions = mr_cfg->mr_total_resolutions;
398     oxcf->mr_encoder_id = mr_cfg->mr_encoder_id;
399     oxcf->mr_down_sampling_factor.num = mr_cfg->mr_down_sampling_factor.num;
400     oxcf->mr_down_sampling_factor.den = mr_cfg->mr_down_sampling_factor.den;
401     oxcf->mr_low_res_mode_info = mr_cfg->mr_low_res_mode_info;
402   }
403 #else
404   (void)mr_cfg;
405 #endif
406 
407   oxcf->cpu_used = vp8_cfg.cpu_used;
408   if (cfg.g_pass == VPX_RC_FIRST_PASS) {
409     oxcf->cpu_used = VPXMAX(4, oxcf->cpu_used);
410   }
411   oxcf->encode_breakout = vp8_cfg.static_thresh;
412   oxcf->play_alternate = vp8_cfg.enable_auto_alt_ref;
413   oxcf->noise_sensitivity = vp8_cfg.noise_sensitivity;
414   oxcf->Sharpness = vp8_cfg.Sharpness;
415   oxcf->token_partitions = vp8_cfg.token_partitions;
416 
417   oxcf->two_pass_stats_in = cfg.rc_twopass_stats_in;
418   oxcf->output_pkt_list = vp8_cfg.pkt_list;
419 
420   oxcf->arnr_max_frames = vp8_cfg.arnr_max_frames;
421   oxcf->arnr_strength = vp8_cfg.arnr_strength;
422   oxcf->arnr_type = vp8_cfg.arnr_type;
423 
424   oxcf->tuning = vp8_cfg.tuning;
425 
426   oxcf->screen_content_mode = vp8_cfg.screen_content_mode;
427 
428   /*
429       printf("Current VP8 Settings: \n");
430       printf("target_bandwidth: %d\n", oxcf->target_bandwidth);
431       printf("noise_sensitivity: %d\n", oxcf->noise_sensitivity);
432       printf("Sharpness: %d\n",    oxcf->Sharpness);
433       printf("cpu_used: %d\n",  oxcf->cpu_used);
434       printf("Mode: %d\n",     oxcf->Mode);
435       printf("auto_key: %d\n",  oxcf->auto_key);
436       printf("key_freq: %d\n", oxcf->key_freq);
437       printf("end_usage: %d\n", oxcf->end_usage);
438       printf("under_shoot_pct: %d\n", oxcf->under_shoot_pct);
439       printf("over_shoot_pct: %d\n", oxcf->over_shoot_pct);
440       printf("starting_buffer_level: %d\n", oxcf->starting_buffer_level);
441       printf("optimal_buffer_level: %d\n",  oxcf->optimal_buffer_level);
442       printf("maximum_buffer_size: %d\n", oxcf->maximum_buffer_size);
443       printf("fixed_q: %d\n",  oxcf->fixed_q);
444       printf("worst_allowed_q: %d\n", oxcf->worst_allowed_q);
445       printf("best_allowed_q: %d\n", oxcf->best_allowed_q);
446       printf("allow_spatial_resampling: %d\n",  oxcf->allow_spatial_resampling);
447       printf("resample_down_water_mark: %d\n", oxcf->resample_down_water_mark);
448       printf("resample_up_water_mark: %d\n", oxcf->resample_up_water_mark);
449       printf("allow_df: %d\n", oxcf->allow_df);
450       printf("drop_frames_water_mark: %d\n", oxcf->drop_frames_water_mark);
451       printf("two_pass_vbrbias: %d\n",  oxcf->two_pass_vbrbias);
452       printf("two_pass_vbrmin_section: %d\n", oxcf->two_pass_vbrmin_section);
453       printf("two_pass_vbrmax_section: %d\n", oxcf->two_pass_vbrmax_section);
454       printf("allow_lag: %d\n", oxcf->allow_lag);
455       printf("lag_in_frames: %d\n", oxcf->lag_in_frames);
456       printf("play_alternate: %d\n", oxcf->play_alternate);
457       printf("Version: %d\n", oxcf->Version);
458       printf("multi_threaded: %d\n",   oxcf->multi_threaded);
459       printf("encode_breakout: %d\n", oxcf->encode_breakout);
460   */
461   return VPX_CODEC_OK;
462 }
463 
vp8e_set_config(vpx_codec_alg_priv_t * ctx,const vpx_codec_enc_cfg_t * cfg)464 static vpx_codec_err_t vp8e_set_config(vpx_codec_alg_priv_t *ctx,
465                                        const vpx_codec_enc_cfg_t *cfg) {
466   vpx_codec_err_t res;
467 
468   if (cfg->g_w != ctx->cfg.g_w || cfg->g_h != ctx->cfg.g_h) {
469     if (cfg->g_lag_in_frames > 1 || cfg->g_pass != VPX_RC_ONE_PASS)
470       ERROR("Cannot change width or height after initialization");
471     if ((ctx->cpi->initial_width && (int)cfg->g_w > ctx->cpi->initial_width) ||
472         (ctx->cpi->initial_height && (int)cfg->g_h > ctx->cpi->initial_height))
473       ERROR("Cannot increase width or height larger than their initial values");
474   }
475 
476   /* Prevent increasing lag_in_frames. This check is stricter than it needs
477    * to be -- the limit is not increasing past the first lag_in_frames
478    * value, but we don't track the initial config, only the last successful
479    * config.
480    */
481   if ((cfg->g_lag_in_frames > ctx->cfg.g_lag_in_frames))
482     ERROR("Cannot increase lag_in_frames");
483 
484   res = validate_config(ctx, cfg, &ctx->vp8_cfg, 0);
485   if (res != VPX_CODEC_OK) return res;
486 
487   if (setjmp(ctx->cpi->common.error.jmp)) {
488     const vpx_codec_err_t codec_err =
489         update_error_state(ctx, &ctx->cpi->common.error);
490     ctx->cpi->common.error.setjmp = 0;
491     vpx_clear_system_state();
492     assert(codec_err != VPX_CODEC_OK);
493     return codec_err;
494   }
495 
496   ctx->cpi->common.error.setjmp = 1;
497   ctx->cfg = *cfg;
498   set_vp8e_config(&ctx->oxcf, ctx->cfg, ctx->vp8_cfg, NULL);
499   vp8_change_config(ctx->cpi, &ctx->oxcf);
500 #if CONFIG_MULTITHREAD
501   if (vp8cx_create_encoder_threads(ctx->cpi)) {
502     ctx->cpi->common.error.setjmp = 0;
503     return VPX_CODEC_ERROR;
504   }
505 #endif
506   ctx->cpi->common.error.setjmp = 0;
507   return VPX_CODEC_OK;
508 }
509 
get_quantizer(vpx_codec_alg_priv_t * ctx,va_list args)510 static vpx_codec_err_t get_quantizer(vpx_codec_alg_priv_t *ctx, va_list args) {
511   int *const arg = va_arg(args, int *);
512   if (arg == NULL) return VPX_CODEC_INVALID_PARAM;
513   *arg = vp8_get_quantizer(ctx->cpi);
514   return VPX_CODEC_OK;
515 }
516 
get_quantizer64(vpx_codec_alg_priv_t * ctx,va_list args)517 static vpx_codec_err_t get_quantizer64(vpx_codec_alg_priv_t *ctx,
518                                        va_list args) {
519   int *const arg = va_arg(args, int *);
520   if (arg == NULL) return VPX_CODEC_INVALID_PARAM;
521   *arg = vp8_reverse_trans(vp8_get_quantizer(ctx->cpi));
522   return VPX_CODEC_OK;
523 }
524 
update_extracfg(vpx_codec_alg_priv_t * ctx,const struct vp8_extracfg * extra_cfg)525 static vpx_codec_err_t update_extracfg(vpx_codec_alg_priv_t *ctx,
526                                        const struct vp8_extracfg *extra_cfg) {
527   const vpx_codec_err_t res = validate_config(ctx, &ctx->cfg, extra_cfg, 0);
528   if (res == VPX_CODEC_OK) {
529     ctx->vp8_cfg = *extra_cfg;
530     set_vp8e_config(&ctx->oxcf, ctx->cfg, ctx->vp8_cfg, NULL);
531     vp8_change_config(ctx->cpi, &ctx->oxcf);
532   }
533   return res;
534 }
535 
set_cpu_used(vpx_codec_alg_priv_t * ctx,va_list args)536 static vpx_codec_err_t set_cpu_used(vpx_codec_alg_priv_t *ctx, va_list args) {
537   struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
538   extra_cfg.cpu_used = CAST(VP8E_SET_CPUUSED, args);
539   // Use fastest speed setting (speed 16 or -16) if it's set beyond the range.
540   extra_cfg.cpu_used = VPXMIN(16, extra_cfg.cpu_used);
541   extra_cfg.cpu_used = VPXMAX(-16, extra_cfg.cpu_used);
542   return update_extracfg(ctx, &extra_cfg);
543 }
544 
set_enable_auto_alt_ref(vpx_codec_alg_priv_t * ctx,va_list args)545 static vpx_codec_err_t set_enable_auto_alt_ref(vpx_codec_alg_priv_t *ctx,
546                                                va_list args) {
547   struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
548   extra_cfg.enable_auto_alt_ref = CAST(VP8E_SET_ENABLEAUTOALTREF, args);
549   return update_extracfg(ctx, &extra_cfg);
550 }
551 
set_noise_sensitivity(vpx_codec_alg_priv_t * ctx,va_list args)552 static vpx_codec_err_t set_noise_sensitivity(vpx_codec_alg_priv_t *ctx,
553                                              va_list args) {
554   struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
555   extra_cfg.noise_sensitivity = CAST(VP8E_SET_NOISE_SENSITIVITY, args);
556   return update_extracfg(ctx, &extra_cfg);
557 }
558 
set_sharpness(vpx_codec_alg_priv_t * ctx,va_list args)559 static vpx_codec_err_t set_sharpness(vpx_codec_alg_priv_t *ctx, va_list args) {
560   struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
561   extra_cfg.Sharpness = CAST(VP8E_SET_SHARPNESS, args);
562   return update_extracfg(ctx, &extra_cfg);
563 }
564 
set_static_thresh(vpx_codec_alg_priv_t * ctx,va_list args)565 static vpx_codec_err_t set_static_thresh(vpx_codec_alg_priv_t *ctx,
566                                          va_list args) {
567   struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
568   extra_cfg.static_thresh = CAST(VP8E_SET_STATIC_THRESHOLD, args);
569   return update_extracfg(ctx, &extra_cfg);
570 }
571 
set_token_partitions(vpx_codec_alg_priv_t * ctx,va_list args)572 static vpx_codec_err_t set_token_partitions(vpx_codec_alg_priv_t *ctx,
573                                             va_list args) {
574   struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
575   extra_cfg.token_partitions = CAST(VP8E_SET_TOKEN_PARTITIONS, args);
576   return update_extracfg(ctx, &extra_cfg);
577 }
578 
set_arnr_max_frames(vpx_codec_alg_priv_t * ctx,va_list args)579 static vpx_codec_err_t set_arnr_max_frames(vpx_codec_alg_priv_t *ctx,
580                                            va_list args) {
581   struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
582   extra_cfg.arnr_max_frames = CAST(VP8E_SET_ARNR_MAXFRAMES, args);
583   return update_extracfg(ctx, &extra_cfg);
584 }
585 
set_arnr_strength(vpx_codec_alg_priv_t * ctx,va_list args)586 static vpx_codec_err_t set_arnr_strength(vpx_codec_alg_priv_t *ctx,
587                                          va_list args) {
588   struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
589   extra_cfg.arnr_strength = CAST(VP8E_SET_ARNR_STRENGTH, args);
590   return update_extracfg(ctx, &extra_cfg);
591 }
592 
set_arnr_type(vpx_codec_alg_priv_t * ctx,va_list args)593 static vpx_codec_err_t set_arnr_type(vpx_codec_alg_priv_t *ctx, va_list args) {
594   struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
595   extra_cfg.arnr_type = CAST(VP8E_SET_ARNR_TYPE, args);
596   return update_extracfg(ctx, &extra_cfg);
597 }
598 
set_tuning(vpx_codec_alg_priv_t * ctx,va_list args)599 static vpx_codec_err_t set_tuning(vpx_codec_alg_priv_t *ctx, va_list args) {
600   struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
601   extra_cfg.tuning = CAST(VP8E_SET_TUNING, args);
602   return update_extracfg(ctx, &extra_cfg);
603 }
604 
set_cq_level(vpx_codec_alg_priv_t * ctx,va_list args)605 static vpx_codec_err_t set_cq_level(vpx_codec_alg_priv_t *ctx, va_list args) {
606   struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
607   extra_cfg.cq_level = CAST(VP8E_SET_CQ_LEVEL, args);
608   return update_extracfg(ctx, &extra_cfg);
609 }
610 
set_rc_max_intra_bitrate_pct(vpx_codec_alg_priv_t * ctx,va_list args)611 static vpx_codec_err_t set_rc_max_intra_bitrate_pct(vpx_codec_alg_priv_t *ctx,
612                                                     va_list args) {
613   struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
614   extra_cfg.rc_max_intra_bitrate_pct =
615       CAST(VP8E_SET_MAX_INTRA_BITRATE_PCT, args);
616   return update_extracfg(ctx, &extra_cfg);
617 }
618 
ctrl_set_rc_gf_cbr_boost_pct(vpx_codec_alg_priv_t * ctx,va_list args)619 static vpx_codec_err_t ctrl_set_rc_gf_cbr_boost_pct(vpx_codec_alg_priv_t *ctx,
620                                                     va_list args) {
621   struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
622   extra_cfg.gf_cbr_boost_pct = CAST(VP8E_SET_GF_CBR_BOOST_PCT, args);
623   return update_extracfg(ctx, &extra_cfg);
624 }
625 
set_screen_content_mode(vpx_codec_alg_priv_t * ctx,va_list args)626 static vpx_codec_err_t set_screen_content_mode(vpx_codec_alg_priv_t *ctx,
627                                                va_list args) {
628   struct vp8_extracfg extra_cfg = ctx->vp8_cfg;
629   extra_cfg.screen_content_mode = CAST(VP8E_SET_SCREEN_CONTENT_MODE, args);
630   return update_extracfg(ctx, &extra_cfg);
631 }
632 
ctrl_set_rtc_external_ratectrl(vpx_codec_alg_priv_t * ctx,va_list args)633 static vpx_codec_err_t ctrl_set_rtc_external_ratectrl(vpx_codec_alg_priv_t *ctx,
634                                                       va_list args) {
635   VP8_COMP *cpi = ctx->cpi;
636   const unsigned int data = CAST(VP8E_SET_RTC_EXTERNAL_RATECTRL, args);
637   if (data) {
638     cpi->cyclic_refresh_mode_enabled = 0;
639     cpi->rt_always_update_correction_factor = 1;
640     cpi->rt_drop_recode_on_overshoot = 0;
641   }
642   return VPX_CODEC_OK;
643 }
644 
vp8e_mr_alloc_mem(const vpx_codec_enc_cfg_t * cfg,void ** mem_loc)645 static vpx_codec_err_t vp8e_mr_alloc_mem(const vpx_codec_enc_cfg_t *cfg,
646                                          void **mem_loc) {
647   vpx_codec_err_t res = VPX_CODEC_OK;
648 
649 #if CONFIG_MULTI_RES_ENCODING
650   LOWER_RES_FRAME_INFO *shared_mem_loc;
651   int mb_rows = ((cfg->g_w + 15) >> 4);
652   int mb_cols = ((cfg->g_h + 15) >> 4);
653 
654   shared_mem_loc = calloc(1, sizeof(LOWER_RES_FRAME_INFO));
655   if (!shared_mem_loc) {
656     return VPX_CODEC_MEM_ERROR;
657   }
658 
659   shared_mem_loc->mb_info =
660       calloc(mb_rows * mb_cols, sizeof(LOWER_RES_MB_INFO));
661   if (!(shared_mem_loc->mb_info)) {
662     free(shared_mem_loc);
663     res = VPX_CODEC_MEM_ERROR;
664   } else {
665     *mem_loc = (void *)shared_mem_loc;
666     res = VPX_CODEC_OK;
667   }
668 #else
669   (void)cfg;
670   (void)mem_loc;
671 #endif
672   return res;
673 }
674 
vp8e_init(vpx_codec_ctx_t * ctx,vpx_codec_priv_enc_mr_cfg_t * mr_cfg)675 static vpx_codec_err_t vp8e_init(vpx_codec_ctx_t *ctx,
676                                  vpx_codec_priv_enc_mr_cfg_t *mr_cfg) {
677   vpx_codec_err_t res = VPX_CODEC_OK;
678 
679   vp8_rtcd();
680   vpx_dsp_rtcd();
681   vpx_scale_rtcd();
682 
683   if (!ctx->priv) {
684     struct vpx_codec_alg_priv *priv =
685         (struct vpx_codec_alg_priv *)vpx_calloc(1, sizeof(*priv));
686 
687     if (!priv) {
688       return VPX_CODEC_MEM_ERROR;
689     }
690 
691     ctx->priv = (vpx_codec_priv_t *)priv;
692     ctx->priv->init_flags = ctx->init_flags;
693 
694     if (ctx->config.enc) {
695       /* Update the reference to the config structure to an
696        * internal copy.
697        */
698       priv->cfg = *ctx->config.enc;
699       ctx->config.enc = &priv->cfg;
700     }
701 
702     priv->vp8_cfg = default_extracfg;
703     priv->vp8_cfg.pkt_list = &priv->pkt_list.head;
704 
705     priv->cx_data_sz = priv->cfg.g_w * priv->cfg.g_h * 3 / 2 * 2;
706 
707     if (priv->cx_data_sz < 32768) priv->cx_data_sz = 32768;
708 
709     priv->cx_data = malloc(priv->cx_data_sz);
710 
711     if (!priv->cx_data) {
712       priv->cx_data_sz = 0;
713       return VPX_CODEC_MEM_ERROR;
714     }
715 
716     if (mr_cfg) {
717       ctx->priv->enc.total_encoders = mr_cfg->mr_total_resolutions;
718     } else {
719       ctx->priv->enc.total_encoders = 1;
720     }
721 
722     vp8_initialize_enc();
723 
724     res = validate_config(priv, &priv->cfg, &priv->vp8_cfg, 0);
725 
726     if (!res) {
727       priv->pts_offset_initialized = 0;
728       priv->timestamp_ratio.den = priv->cfg.g_timebase.den;
729       priv->timestamp_ratio.num = (int64_t)priv->cfg.g_timebase.num;
730       priv->timestamp_ratio.num *= TICKS_PER_SEC;
731       reduce_ratio(&priv->timestamp_ratio);
732 
733       set_vp8e_config(&priv->oxcf, priv->cfg, priv->vp8_cfg, mr_cfg);
734       priv->cpi = vp8_create_compressor(&priv->oxcf);
735       if (!priv->cpi) res = VPX_CODEC_MEM_ERROR;
736     }
737   }
738 
739   return res;
740 }
741 
vp8e_destroy(vpx_codec_alg_priv_t * ctx)742 static vpx_codec_err_t vp8e_destroy(vpx_codec_alg_priv_t *ctx) {
743 #if CONFIG_MULTI_RES_ENCODING
744   /* Free multi-encoder shared memory */
745   if (ctx->oxcf.mr_total_resolutions > 0 &&
746       (ctx->oxcf.mr_encoder_id == ctx->oxcf.mr_total_resolutions - 1)) {
747     LOWER_RES_FRAME_INFO *shared_mem_loc =
748         (LOWER_RES_FRAME_INFO *)ctx->oxcf.mr_low_res_mode_info;
749     free(shared_mem_loc->mb_info);
750     free(ctx->oxcf.mr_low_res_mode_info);
751   }
752 #endif
753 
754   free(ctx->cx_data);
755   vp8_remove_compressor(&ctx->cpi);
756   vpx_free(ctx);
757   return VPX_CODEC_OK;
758 }
759 
image2yuvconfig(const vpx_image_t * img,YV12_BUFFER_CONFIG * yv12)760 static vpx_codec_err_t image2yuvconfig(const vpx_image_t *img,
761                                        YV12_BUFFER_CONFIG *yv12) {
762   const int y_w = img->d_w;
763   const int y_h = img->d_h;
764   const int uv_w = (img->d_w + 1) / 2;
765   const int uv_h = (img->d_h + 1) / 2;
766   vpx_codec_err_t res = VPX_CODEC_OK;
767   yv12->y_buffer = img->planes[VPX_PLANE_Y];
768   yv12->u_buffer = img->planes[VPX_PLANE_U];
769   yv12->v_buffer = img->planes[VPX_PLANE_V];
770 
771   yv12->y_crop_width = y_w;
772   yv12->y_crop_height = y_h;
773   yv12->y_width = y_w;
774   yv12->y_height = y_h;
775   yv12->uv_crop_width = uv_w;
776   yv12->uv_crop_height = uv_h;
777   yv12->uv_width = uv_w;
778   yv12->uv_height = uv_h;
779 
780   yv12->y_stride = img->stride[VPX_PLANE_Y];
781   yv12->uv_stride = img->stride[VPX_PLANE_U];
782 
783   yv12->border = (img->stride[VPX_PLANE_Y] - img->w) / 2;
784   return res;
785 }
786 
pick_quickcompress_mode(vpx_codec_alg_priv_t * ctx,unsigned long duration,vpx_enc_deadline_t deadline)787 static vpx_codec_err_t pick_quickcompress_mode(vpx_codec_alg_priv_t *ctx,
788                                                unsigned long duration,
789                                                vpx_enc_deadline_t deadline) {
790   int new_qc;
791 
792 #if !(CONFIG_REALTIME_ONLY)
793   /* Use best quality mode if no deadline is given. */
794   new_qc = MODE_BESTQUALITY;
795 
796   if (deadline) {
797     /* Convert duration parameter from stream timebase to microseconds */
798     VPX_STATIC_ASSERT(TICKS_PER_SEC > 1000000 &&
799                       (TICKS_PER_SEC % 1000000) == 0);
800 
801     if (duration > UINT64_MAX / (uint64_t)ctx->timestamp_ratio.num) {
802       ERROR("duration is too big");
803     }
804     uint64_t duration_us =
805         duration * (uint64_t)ctx->timestamp_ratio.num /
806         ((uint64_t)ctx->timestamp_ratio.den * (TICKS_PER_SEC / 1000000));
807 
808     /* If the deadline is more that the duration this frame is to be shown,
809      * use good quality mode. Otherwise use realtime mode.
810      */
811     new_qc = (deadline > duration_us) ? MODE_GOODQUALITY : MODE_REALTIME;
812   }
813 
814 #else
815   (void)duration;
816   new_qc = MODE_REALTIME;
817 #endif
818 
819   if (deadline == VPX_DL_REALTIME) {
820     new_qc = MODE_REALTIME;
821   } else if (ctx->cfg.g_pass == VPX_RC_FIRST_PASS) {
822     new_qc = MODE_FIRSTPASS;
823   } else if (ctx->cfg.g_pass == VPX_RC_LAST_PASS) {
824     new_qc =
825         (new_qc == MODE_BESTQUALITY) ? MODE_SECONDPASS_BEST : MODE_SECONDPASS;
826   }
827 
828   if (ctx->oxcf.Mode != new_qc) {
829     ctx->oxcf.Mode = new_qc;
830     vp8_change_config(ctx->cpi, &ctx->oxcf);
831   }
832   return VPX_CODEC_OK;
833 }
834 
set_reference_and_update(vpx_codec_alg_priv_t * ctx,vpx_enc_frame_flags_t flags)835 static vpx_codec_err_t set_reference_and_update(vpx_codec_alg_priv_t *ctx,
836                                                 vpx_enc_frame_flags_t flags) {
837   /* Handle Flags */
838   if (((flags & VP8_EFLAG_NO_UPD_GF) && (flags & VP8_EFLAG_FORCE_GF)) ||
839       ((flags & VP8_EFLAG_NO_UPD_ARF) && (flags & VP8_EFLAG_FORCE_ARF))) {
840     ctx->base.err_detail = "Conflicting flags.";
841     return VPX_CODEC_INVALID_PARAM;
842   }
843 
844   if (flags &
845       (VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF)) {
846     int ref = 7;
847 
848     if (flags & VP8_EFLAG_NO_REF_LAST) ref ^= VP8_LAST_FRAME;
849 
850     if (flags & VP8_EFLAG_NO_REF_GF) ref ^= VP8_GOLD_FRAME;
851 
852     if (flags & VP8_EFLAG_NO_REF_ARF) ref ^= VP8_ALTR_FRAME;
853 
854     vp8_use_as_reference(ctx->cpi, ref);
855   }
856 
857   if (flags &
858       (VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF |
859        VP8_EFLAG_FORCE_GF | VP8_EFLAG_FORCE_ARF)) {
860     int upd = 7;
861 
862     if (flags & VP8_EFLAG_NO_UPD_LAST) upd ^= VP8_LAST_FRAME;
863 
864     if (flags & VP8_EFLAG_NO_UPD_GF) upd ^= VP8_GOLD_FRAME;
865 
866     if (flags & VP8_EFLAG_NO_UPD_ARF) upd ^= VP8_ALTR_FRAME;
867 
868     vp8_update_reference(ctx->cpi, upd);
869   }
870 
871   if (flags & VP8_EFLAG_NO_UPD_ENTROPY) {
872     vp8_update_entropy(ctx->cpi, 0);
873   }
874 
875   return VPX_CODEC_OK;
876 }
877 
vp8e_encode(vpx_codec_alg_priv_t * ctx,const vpx_image_t * img,vpx_codec_pts_t pts,unsigned long duration,vpx_enc_frame_flags_t enc_flags,vpx_enc_deadline_t deadline)878 static vpx_codec_err_t vp8e_encode(vpx_codec_alg_priv_t *ctx,
879                                    const vpx_image_t *img, vpx_codec_pts_t pts,
880                                    unsigned long duration,
881                                    vpx_enc_frame_flags_t enc_flags,
882                                    vpx_enc_deadline_t deadline) {
883   volatile vpx_codec_err_t res = VPX_CODEC_OK;
884   // Make a copy as volatile to avoid -Wclobbered with longjmp.
885   volatile vpx_enc_frame_flags_t flags = enc_flags;
886   volatile vpx_codec_pts_t pts_val = pts;
887 
888   if (!ctx->cfg.rc_target_bitrate) {
889 #if CONFIG_MULTI_RES_ENCODING
890     if (!ctx->cpi) return VPX_CODEC_ERROR;
891     if (ctx->cpi->oxcf.mr_total_resolutions > 1) {
892       LOWER_RES_FRAME_INFO *low_res_frame_info =
893           (LOWER_RES_FRAME_INFO *)ctx->cpi->oxcf.mr_low_res_mode_info;
894       if (!low_res_frame_info) return VPX_CODEC_ERROR;
895       low_res_frame_info->skip_encoding_prev_stream = 1;
896       if (ctx->cpi->oxcf.mr_encoder_id == 0)
897         low_res_frame_info->skip_encoding_base_stream = 1;
898     }
899 #endif
900     return res;
901   }
902 
903   if (img) res = validate_img(ctx, img);
904 
905   if (!res) res = validate_config(ctx, &ctx->cfg, &ctx->vp8_cfg, 1);
906 
907   if (!res) res = pick_quickcompress_mode(ctx, duration, deadline);
908   vpx_codec_pkt_list_init(&ctx->pkt_list);
909 
910   // If no flags are set in the encode call, then use the frame flags as
911   // defined via the control function: vp8e_set_frame_flags.
912   if (!flags) {
913     flags = ctx->control_frame_flags;
914   }
915   ctx->control_frame_flags = 0;
916 
917   if (!res) res = set_reference_and_update(ctx, flags);
918 
919   /* Handle fixed keyframe intervals */
920   if (ctx->cfg.kf_mode == VPX_KF_AUTO &&
921       ctx->cfg.kf_min_dist == ctx->cfg.kf_max_dist) {
922     if (++ctx->fixed_kf_cntr > ctx->cfg.kf_min_dist) {
923       flags |= VPX_EFLAG_FORCE_KF;
924       ctx->fixed_kf_cntr = 1;
925     }
926   }
927 
928   /* Initialize the encoder instance on the first frame*/
929   if (!res && ctx->cpi) {
930     unsigned int lib_flags;
931     int64_t dst_time_stamp, dst_end_time_stamp;
932     size_t size, cx_data_sz;
933     unsigned char *cx_data;
934     unsigned char *cx_data_end;
935     int comp_data_state = 0;
936 
937     if (setjmp(ctx->cpi->common.error.jmp)) {
938       ctx->cpi->common.error.setjmp = 0;
939       res = update_error_state(ctx, &ctx->cpi->common.error);
940       vpx_clear_system_state();
941       return res;
942     }
943     ctx->cpi->common.error.setjmp = 1;
944 
945     /* Set up internal flags */
946     if (ctx->base.init_flags & VPX_CODEC_USE_PSNR) {
947       ((VP8_COMP *)ctx->cpi)->b_calculate_psnr = 1;
948     }
949 
950     if (ctx->base.init_flags & VPX_CODEC_USE_OUTPUT_PARTITION) {
951       ((VP8_COMP *)ctx->cpi)->output_partition = 1;
952     }
953 
954     /* Convert API flags to internal codec lib flags */
955     lib_flags = (flags & VPX_EFLAG_FORCE_KF) ? FRAMEFLAGS_KEY : 0;
956 
957     if (img != NULL) {
958       YV12_BUFFER_CONFIG sd;
959 
960       if (!ctx->pts_offset_initialized) {
961         ctx->pts_offset = pts_val;
962         ctx->pts_offset_initialized = 1;
963       }
964       if (pts_val < ctx->pts_offset) {
965         vpx_internal_error(&ctx->cpi->common.error, VPX_CODEC_INVALID_PARAM,
966                            "pts is smaller than initial pts");
967       }
968       pts_val -= ctx->pts_offset;
969       if (pts_val > INT64_MAX / ctx->timestamp_ratio.num) {
970         vpx_internal_error(
971             &ctx->cpi->common.error, VPX_CODEC_INVALID_PARAM,
972             "conversion of relative pts to ticks would overflow");
973       }
974       dst_time_stamp =
975           pts_val * ctx->timestamp_ratio.num / ctx->timestamp_ratio.den;
976 #if ULONG_MAX > INT64_MAX
977       if (duration > INT64_MAX) {
978         vpx_internal_error(&ctx->cpi->common.error, VPX_CODEC_INVALID_PARAM,
979                            "duration is too big");
980       }
981 #endif
982       if (pts_val > INT64_MAX - (int64_t)duration) {
983         vpx_internal_error(&ctx->cpi->common.error, VPX_CODEC_INVALID_PARAM,
984                            "relative pts + duration is too big");
985       }
986       vpx_codec_pts_t pts_end = pts_val + (int64_t)duration;
987       if (pts_end > INT64_MAX / ctx->timestamp_ratio.num) {
988         vpx_internal_error(
989             &ctx->cpi->common.error, VPX_CODEC_INVALID_PARAM,
990             "conversion of relative pts + duration to ticks would overflow");
991       }
992       dst_end_time_stamp =
993           pts_end * ctx->timestamp_ratio.num / ctx->timestamp_ratio.den;
994 
995       res = image2yuvconfig(img, &sd);
996 
997       if (vp8_receive_raw_frame(ctx->cpi, ctx->next_frame_flag | lib_flags, &sd,
998                                 dst_time_stamp, dst_end_time_stamp)) {
999         VP8_COMP *cpi = (VP8_COMP *)ctx->cpi;
1000         res = update_error_state(ctx, &cpi->common.error);
1001       }
1002 
1003       /* reset for next frame */
1004       ctx->next_frame_flag = 0;
1005     }
1006 
1007     cx_data = ctx->cx_data;
1008     cx_data_sz = ctx->cx_data_sz;
1009     cx_data_end = ctx->cx_data + cx_data_sz;
1010     lib_flags = 0;
1011 
1012     while (cx_data_sz >= ctx->cx_data_sz / 2) {
1013       comp_data_state = vp8_get_compressed_data(
1014           ctx->cpi, &lib_flags, &size, cx_data, cx_data_end, &dst_time_stamp,
1015           &dst_end_time_stamp, !img);
1016 
1017       if (comp_data_state == VPX_CODEC_CORRUPT_FRAME) {
1018         ctx->cpi->common.error.setjmp = 0;
1019         return VPX_CODEC_CORRUPT_FRAME;
1020       } else if (comp_data_state == -1) {
1021         break;
1022       }
1023 
1024       if (size) {
1025         vpx_codec_pts_t round, delta;
1026         vpx_codec_cx_pkt_t pkt;
1027         VP8_COMP *cpi = (VP8_COMP *)ctx->cpi;
1028 
1029         /* Add the frame packet to the list of returned packets. */
1030         round = (vpx_codec_pts_t)ctx->timestamp_ratio.num / 2;
1031         if (round > 0) --round;
1032         delta = (dst_end_time_stamp - dst_time_stamp);
1033         pkt.kind = VPX_CODEC_CX_FRAME_PKT;
1034         pkt.data.frame.pts =
1035             (dst_time_stamp * ctx->timestamp_ratio.den + round) /
1036                 ctx->timestamp_ratio.num +
1037             ctx->pts_offset;
1038         pkt.data.frame.duration =
1039             (unsigned long)((delta * ctx->timestamp_ratio.den + round) /
1040                             ctx->timestamp_ratio.num);
1041         pkt.data.frame.flags = lib_flags << 16;
1042         pkt.data.frame.width[0] = cpi->common.Width;
1043         pkt.data.frame.height[0] = cpi->common.Height;
1044         pkt.data.frame.spatial_layer_encoded[0] = 1;
1045 
1046         if (lib_flags & FRAMEFLAGS_KEY) {
1047           pkt.data.frame.flags |= VPX_FRAME_IS_KEY;
1048         }
1049 
1050         if (!cpi->common.show_frame) {
1051           pkt.data.frame.flags |= VPX_FRAME_IS_INVISIBLE;
1052 
1053           /* This timestamp should be as close as possible to the
1054            * prior PTS so that if a decoder uses pts to schedule when
1055            * to do this, we start right after last frame was decoded.
1056            * Invisible frames have no duration.
1057            */
1058           pkt.data.frame.pts =
1059               ((cpi->last_time_stamp_seen * ctx->timestamp_ratio.den + round) /
1060                ctx->timestamp_ratio.num) +
1061               ctx->pts_offset + 1;
1062           pkt.data.frame.duration = 0;
1063         }
1064 
1065         if (cpi->droppable) pkt.data.frame.flags |= VPX_FRAME_IS_DROPPABLE;
1066 
1067         if (cpi->output_partition) {
1068           int i;
1069           const int num_partitions =
1070               (1 << cpi->common.multi_token_partition) + 1;
1071 
1072           pkt.data.frame.flags |= VPX_FRAME_IS_FRAGMENT;
1073 
1074           for (i = 0; i < num_partitions; ++i) {
1075 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
1076             pkt.data.frame.buf = cpi->partition_d[i];
1077 #else
1078             pkt.data.frame.buf = cx_data;
1079             cx_data += cpi->partition_sz[i];
1080             cx_data_sz -= cpi->partition_sz[i];
1081 #endif
1082             pkt.data.frame.sz = cpi->partition_sz[i];
1083             pkt.data.frame.partition_id = i;
1084             /* don't set the fragment bit for the last partition */
1085             if (i == (num_partitions - 1)) {
1086               pkt.data.frame.flags &= ~VPX_FRAME_IS_FRAGMENT;
1087             }
1088             vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
1089           }
1090 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
1091           /* In lagged mode the encoder can buffer multiple frames.
1092            * We don't want this in partitioned output because
1093            * partitions are spread all over the output buffer.
1094            * So, force an exit!
1095            */
1096           cx_data_sz -= ctx->cx_data_sz / 2;
1097 #endif
1098         } else {
1099           pkt.data.frame.buf = cx_data;
1100           pkt.data.frame.sz = size;
1101           pkt.data.frame.partition_id = -1;
1102           vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
1103           cx_data += size;
1104           cx_data_sz -= size;
1105         }
1106       }
1107     }
1108     ctx->cpi->common.error.setjmp = 0;
1109   }
1110 
1111   return res;
1112 }
1113 
vp8e_get_cxdata(vpx_codec_alg_priv_t * ctx,vpx_codec_iter_t * iter)1114 static const vpx_codec_cx_pkt_t *vp8e_get_cxdata(vpx_codec_alg_priv_t *ctx,
1115                                                  vpx_codec_iter_t *iter) {
1116   return vpx_codec_pkt_list_get(&ctx->pkt_list.head, iter);
1117 }
1118 
vp8e_set_reference(vpx_codec_alg_priv_t * ctx,va_list args)1119 static vpx_codec_err_t vp8e_set_reference(vpx_codec_alg_priv_t *ctx,
1120                                           va_list args) {
1121   vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
1122 
1123   if (data) {
1124     vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
1125     YV12_BUFFER_CONFIG sd;
1126 
1127     image2yuvconfig(&frame->img, &sd);
1128     vp8_set_reference(ctx->cpi, frame->frame_type, &sd);
1129     return VPX_CODEC_OK;
1130   } else {
1131     return VPX_CODEC_INVALID_PARAM;
1132   }
1133 }
1134 
vp8e_get_reference(vpx_codec_alg_priv_t * ctx,va_list args)1135 static vpx_codec_err_t vp8e_get_reference(vpx_codec_alg_priv_t *ctx,
1136                                           va_list args) {
1137   vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
1138 
1139   if (data) {
1140     vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
1141     YV12_BUFFER_CONFIG sd;
1142 
1143     image2yuvconfig(&frame->img, &sd);
1144     vp8_get_reference(ctx->cpi, frame->frame_type, &sd);
1145     return VPX_CODEC_OK;
1146   } else {
1147     return VPX_CODEC_INVALID_PARAM;
1148   }
1149 }
1150 
vp8e_set_previewpp(vpx_codec_alg_priv_t * ctx,va_list args)1151 static vpx_codec_err_t vp8e_set_previewpp(vpx_codec_alg_priv_t *ctx,
1152                                           va_list args) {
1153 #if CONFIG_POSTPROC
1154   vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
1155 
1156   if (data) {
1157     ctx->preview_ppcfg = *((vp8_postproc_cfg_t *)data);
1158     return VPX_CODEC_OK;
1159   } else {
1160     return VPX_CODEC_INVALID_PARAM;
1161   }
1162 #else
1163   (void)ctx;
1164   (void)args;
1165   return VPX_CODEC_INCAPABLE;
1166 #endif
1167 }
1168 
vp8e_get_preview(vpx_codec_alg_priv_t * ctx)1169 static vpx_image_t *vp8e_get_preview(vpx_codec_alg_priv_t *ctx) {
1170   YV12_BUFFER_CONFIG sd;
1171   vp8_ppflags_t flags;
1172   vp8_zero(flags);
1173 
1174   if (ctx->preview_ppcfg.post_proc_flag) {
1175     flags.post_proc_flag = ctx->preview_ppcfg.post_proc_flag;
1176     flags.deblocking_level = ctx->preview_ppcfg.deblocking_level;
1177     flags.noise_level = ctx->preview_ppcfg.noise_level;
1178   }
1179 
1180   if (0 == vp8_get_preview_raw_frame(ctx->cpi, &sd, &flags)) {
1181     /*
1182     vpx_img_wrap(&ctx->preview_img, VPX_IMG_FMT_YV12,
1183         sd.y_width + 2*VP8BORDERINPIXELS,
1184         sd.y_height + 2*VP8BORDERINPIXELS,
1185         1,
1186         sd.buffer_alloc);
1187     vpx_img_set_rect(&ctx->preview_img,
1188         VP8BORDERINPIXELS, VP8BORDERINPIXELS,
1189         sd.y_width, sd.y_height);
1190         */
1191 
1192     ctx->preview_img.bps = 12;
1193     ctx->preview_img.planes[VPX_PLANE_Y] = sd.y_buffer;
1194     ctx->preview_img.planes[VPX_PLANE_U] = sd.u_buffer;
1195     ctx->preview_img.planes[VPX_PLANE_V] = sd.v_buffer;
1196 
1197     ctx->preview_img.fmt = VPX_IMG_FMT_I420;
1198     ctx->preview_img.x_chroma_shift = 1;
1199     ctx->preview_img.y_chroma_shift = 1;
1200 
1201     ctx->preview_img.d_w = sd.y_width;
1202     ctx->preview_img.d_h = sd.y_height;
1203     ctx->preview_img.stride[VPX_PLANE_Y] = sd.y_stride;
1204     ctx->preview_img.stride[VPX_PLANE_U] = sd.uv_stride;
1205     ctx->preview_img.stride[VPX_PLANE_V] = sd.uv_stride;
1206     ctx->preview_img.w = sd.y_width;
1207     ctx->preview_img.h = sd.y_height;
1208 
1209     return &ctx->preview_img;
1210   } else {
1211     return NULL;
1212   }
1213 }
1214 
vp8e_set_frame_flags(vpx_codec_alg_priv_t * ctx,va_list args)1215 static vpx_codec_err_t vp8e_set_frame_flags(vpx_codec_alg_priv_t *ctx,
1216                                             va_list args) {
1217   int frame_flags = va_arg(args, int);
1218   ctx->control_frame_flags = frame_flags;
1219   return set_reference_and_update(ctx, frame_flags);
1220 }
1221 
vp8e_set_temporal_layer_id(vpx_codec_alg_priv_t * ctx,va_list args)1222 static vpx_codec_err_t vp8e_set_temporal_layer_id(vpx_codec_alg_priv_t *ctx,
1223                                                   va_list args) {
1224   int layer_id = va_arg(args, int);
1225   if (layer_id < 0 || layer_id >= (int)ctx->cfg.ts_number_layers) {
1226     return VPX_CODEC_INVALID_PARAM;
1227   }
1228   ctx->cpi->temporal_layer_id = layer_id;
1229   return VPX_CODEC_OK;
1230 }
1231 
vp8e_set_roi_map(vpx_codec_alg_priv_t * ctx,va_list args)1232 static vpx_codec_err_t vp8e_set_roi_map(vpx_codec_alg_priv_t *ctx,
1233                                         va_list args) {
1234   vpx_roi_map_t *data = va_arg(args, vpx_roi_map_t *);
1235 
1236   if (data) {
1237     vpx_roi_map_t *roi = (vpx_roi_map_t *)data;
1238 
1239     if (!vp8_set_roimap(ctx->cpi, roi->roi_map, roi->rows, roi->cols,
1240                         roi->delta_q, roi->delta_lf, roi->static_threshold)) {
1241       return VPX_CODEC_OK;
1242     } else {
1243       return VPX_CODEC_INVALID_PARAM;
1244     }
1245   } else {
1246     return VPX_CODEC_INVALID_PARAM;
1247   }
1248 }
1249 
vp8e_set_activemap(vpx_codec_alg_priv_t * ctx,va_list args)1250 static vpx_codec_err_t vp8e_set_activemap(vpx_codec_alg_priv_t *ctx,
1251                                           va_list args) {
1252   vpx_active_map_t *data = va_arg(args, vpx_active_map_t *);
1253 
1254   if (data) {
1255     vpx_active_map_t *map = (vpx_active_map_t *)data;
1256 
1257     if (!vp8_set_active_map(ctx->cpi, map->active_map, map->rows, map->cols)) {
1258       return VPX_CODEC_OK;
1259     } else {
1260       return VPX_CODEC_INVALID_PARAM;
1261     }
1262   } else {
1263     return VPX_CODEC_INVALID_PARAM;
1264   }
1265 }
1266 
vp8e_set_scalemode(vpx_codec_alg_priv_t * ctx,va_list args)1267 static vpx_codec_err_t vp8e_set_scalemode(vpx_codec_alg_priv_t *ctx,
1268                                           va_list args) {
1269   vpx_scaling_mode_t *data = va_arg(args, vpx_scaling_mode_t *);
1270 
1271   if (data) {
1272     int res;
1273     vpx_scaling_mode_t scalemode = *(vpx_scaling_mode_t *)data;
1274     res = vp8_set_internal_size(ctx->cpi, scalemode.h_scaling_mode,
1275                                 scalemode.v_scaling_mode);
1276 
1277     if (!res) {
1278       /*force next frame a key frame to effect scaling mode */
1279       ctx->next_frame_flag |= FRAMEFLAGS_KEY;
1280       return VPX_CODEC_OK;
1281     } else {
1282       return VPX_CODEC_INVALID_PARAM;
1283     }
1284   } else {
1285     return VPX_CODEC_INVALID_PARAM;
1286   }
1287 }
1288 
1289 static vpx_codec_ctrl_fn_map_t vp8e_ctf_maps[] = {
1290   { VP8_SET_REFERENCE, vp8e_set_reference },
1291   { VP8_COPY_REFERENCE, vp8e_get_reference },
1292   { VP8_SET_POSTPROC, vp8e_set_previewpp },
1293   { VP8E_SET_FRAME_FLAGS, vp8e_set_frame_flags },
1294   { VP8E_SET_TEMPORAL_LAYER_ID, vp8e_set_temporal_layer_id },
1295   { VP8E_SET_ROI_MAP, vp8e_set_roi_map },
1296   { VP8E_SET_ACTIVEMAP, vp8e_set_activemap },
1297   { VP8E_SET_SCALEMODE, vp8e_set_scalemode },
1298   { VP8E_SET_CPUUSED, set_cpu_used },
1299   { VP8E_SET_NOISE_SENSITIVITY, set_noise_sensitivity },
1300   { VP8E_SET_ENABLEAUTOALTREF, set_enable_auto_alt_ref },
1301   { VP8E_SET_SHARPNESS, set_sharpness },
1302   { VP8E_SET_STATIC_THRESHOLD, set_static_thresh },
1303   { VP8E_SET_TOKEN_PARTITIONS, set_token_partitions },
1304   { VP8E_GET_LAST_QUANTIZER, get_quantizer },
1305   { VP8E_GET_LAST_QUANTIZER_64, get_quantizer64 },
1306   { VP8E_SET_ARNR_MAXFRAMES, set_arnr_max_frames },
1307   { VP8E_SET_ARNR_STRENGTH, set_arnr_strength },
1308   { VP8E_SET_ARNR_TYPE, set_arnr_type },
1309   { VP8E_SET_TUNING, set_tuning },
1310   { VP8E_SET_CQ_LEVEL, set_cq_level },
1311   { VP8E_SET_MAX_INTRA_BITRATE_PCT, set_rc_max_intra_bitrate_pct },
1312   { VP8E_SET_SCREEN_CONTENT_MODE, set_screen_content_mode },
1313   { VP8E_SET_GF_CBR_BOOST_PCT, ctrl_set_rc_gf_cbr_boost_pct },
1314   { VP8E_SET_RTC_EXTERNAL_RATECTRL, ctrl_set_rtc_external_ratectrl },
1315   { -1, NULL },
1316 };
1317 
1318 static vpx_codec_enc_cfg_map_t vp8e_usage_cfg_map[] = {
1319   { 0,
1320     {
1321         0, /* g_usage (unused) */
1322         0, /* g_threads */
1323         0, /* g_profile */
1324 
1325         320,        /* g_width */
1326         240,        /* g_height */
1327         VPX_BITS_8, /* g_bit_depth */
1328         8,          /* g_input_bit_depth */
1329 
1330         { 1, 30 }, /* g_timebase */
1331 
1332         0, /* g_error_resilient */
1333 
1334         VPX_RC_ONE_PASS, /* g_pass */
1335 
1336         0, /* g_lag_in_frames */
1337 
1338         0,  /* rc_dropframe_thresh */
1339         0,  /* rc_resize_allowed */
1340         1,  /* rc_scaled_width */
1341         1,  /* rc_scaled_height */
1342         60, /* rc_resize_down_thresh */
1343         30, /* rc_resize_up_thresh */
1344 
1345         VPX_VBR,     /* rc_end_usage */
1346         { NULL, 0 }, /* rc_twopass_stats_in */
1347         { NULL, 0 }, /* rc_firstpass_mb_stats_in */
1348         256,         /* rc_target_bitrate */
1349         4,           /* rc_min_quantizer */
1350         63,          /* rc_max_quantizer */
1351         100,         /* rc_undershoot_pct */
1352         100,         /* rc_overshoot_pct */
1353 
1354         6000, /* rc_max_buffer_size */
1355         4000, /* rc_buffer_initial_size; */
1356         5000, /* rc_buffer_optimal_size; */
1357 
1358         50,  /* rc_two_pass_vbrbias  */
1359         0,   /* rc_two_pass_vbrmin_section */
1360         400, /* rc_two_pass_vbrmax_section */
1361         0,   // rc_2pass_vbr_corpus_complexity (only has meaningfull for VP9)
1362 
1363         /* keyframing settings (kf) */
1364         VPX_KF_AUTO, /* g_kfmode*/
1365         0,           /* kf_min_dist */
1366         128,         /* kf_max_dist */
1367 
1368         VPX_SS_DEFAULT_LAYERS, /* ss_number_layers */
1369         { 0 },
1370         { 0 },    /* ss_target_bitrate */
1371         1,        /* ts_number_layers */
1372         { 0 },    /* ts_target_bitrate */
1373         { 0 },    /* ts_rate_decimator */
1374         0,        /* ts_periodicity */
1375         { 0 },    /* ts_layer_id */
1376         { 0 },    /* layer_target_bitrate */
1377         0,        /* temporal_layering_mode */
1378         0,        /* use_vizier_rc_params */
1379         { 1, 1 }, /* active_wq_factor */
1380         { 1, 1 }, /* err_per_mb_factor */
1381         { 1, 1 }, /* sr_default_decay_limit */
1382         { 1, 1 }, /* sr_diff_factor */
1383         { 1, 1 }, /* kf_err_per_mb_factor */
1384         { 1, 1 }, /* kf_frame_min_boost_factor */
1385         { 1, 1 }, /* kf_frame_max_boost_first_factor */
1386         { 1, 1 }, /* kf_frame_max_boost_subs_factor */
1387         { 1, 1 }, /* kf_max_total_boost_factor */
1388         { 1, 1 }, /* gf_max_total_boost_factor */
1389         { 1, 1 }, /* gf_frame_max_boost_factor */
1390         { 1, 1 }, /* zm_factor */
1391         { 1, 1 }, /* rd_mult_inter_qp_fac */
1392         { 1, 1 }, /* rd_mult_arf_qp_fac */
1393         { 1, 1 }, /* rd_mult_key_qp_fac */
1394     } },
1395 };
1396 
1397 #ifndef VERSION_STRING
1398 #define VERSION_STRING
1399 #endif
1400 CODEC_INTERFACE(vpx_codec_vp8_cx) = {
1401   "WebM Project VP8 Encoder" VERSION_STRING,
1402   VPX_CODEC_INTERNAL_ABI_VERSION,
1403   VPX_CODEC_CAP_ENCODER | VPX_CODEC_CAP_PSNR | VPX_CODEC_CAP_OUTPUT_PARTITION,
1404   /* vpx_codec_caps_t          caps; */
1405   vp8e_init,     /* vpx_codec_init_fn_t       init; */
1406   vp8e_destroy,  /* vpx_codec_destroy_fn_t    destroy; */
1407   vp8e_ctf_maps, /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
1408   {
1409       NULL, /* vpx_codec_peek_si_fn_t    peek_si; */
1410       NULL, /* vpx_codec_get_si_fn_t     get_si; */
1411       NULL, /* vpx_codec_decode_fn_t     decode; */
1412       NULL, /* vpx_codec_frame_get_fn_t  frame_get; */
1413       NULL, /* vpx_codec_set_fb_fn_t     set_fb_fn; */
1414   },
1415   {
1416       1,                  /* 1 cfg map */
1417       vp8e_usage_cfg_map, /* vpx_codec_enc_cfg_map_t    cfg_maps; */
1418       vp8e_encode,        /* vpx_codec_encode_fn_t      encode; */
1419       vp8e_get_cxdata,    /* vpx_codec_get_cx_data_fn_t   get_cx_data; */
1420       vp8e_set_config,
1421       NULL,
1422       vp8e_get_preview,
1423       vp8e_mr_alloc_mem,
1424   } /* encoder functions */
1425 };
1426