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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 <stdlib.h>
12 #include <string.h>
13 
14 #include "vpx/vpx_codec.h"
15 #include "vpx/internal/vpx_codec_internal.h"
16 #include "./vpx_version.h"
17 #include "vp9/encoder/vp9_onyx_int.h"
18 #include "vpx/vp8cx.h"
19 #include "vp9/encoder/vp9_firstpass.h"
20 #include "vp9/vp9_iface_common.h"
21 
22 struct vp9_extracfg {
23   struct vpx_codec_pkt_list *pkt_list;
24   int                         cpu_used;  // available cpu percentage in 1/16
25   unsigned int                enable_auto_alt_ref;
26   unsigned int                noise_sensitivity;
27   unsigned int                sharpness;
28   unsigned int                static_thresh;
29   unsigned int                tile_columns;
30   unsigned int                tile_rows;
31   unsigned int                arnr_max_frames;
32   unsigned int                arnr_strength;
33   unsigned int                arnr_type;
34   vp8e_tuning                 tuning;
35   unsigned int                cq_level;  // constrained quality level
36   unsigned int                rc_max_intra_bitrate_pct;
37   unsigned int                lossless;
38   unsigned int                frame_parallel_decoding_mode;
39   AQ_MODE                     aq_mode;
40   unsigned int                frame_periodic_boost;
41 };
42 
43 struct extraconfig_map {
44   int usage;
45   struct vp9_extracfg cfg;
46 };
47 
48 static const struct extraconfig_map extracfg_map[] = {
49   {
50     0,
51     { // NOLINT
52       NULL,
53       0,                          // cpu_used
54       1,                          // enable_auto_alt_ref
55       0,                          // noise_sensitivity
56       0,                          // sharpness
57       0,                          // static_thresh
58       0,                          // tile_columns
59       0,                          // tile_rows
60       7,                          // arnr_max_frames
61       5,                          // arnr_strength
62       3,                          // arnr_type
63       VP8_TUNE_PSNR,              // tuning
64       10,                         // cq_level
65       0,                          // rc_max_intra_bitrate_pct
66       0,                          // lossless
67       0,                          // frame_parallel_decoding_mode
68       NO_AQ,                      // aq_mode
69       0,                          // frame_periodic_delta_q
70     }
71   }
72 };
73 
74 struct vpx_codec_alg_priv {
75   vpx_codec_priv_t        base;
76   vpx_codec_enc_cfg_t     cfg;
77   struct vp9_extracfg     extra_cfg;
78   VP9_CONFIG              oxcf;
79   VP9_COMP               *cpi;
80   unsigned char          *cx_data;
81   size_t                  cx_data_sz;
82   unsigned char          *pending_cx_data;
83   size_t                  pending_cx_data_sz;
84   int                     pending_frame_count;
85   size_t                  pending_frame_sizes[8];
86   size_t                  pending_frame_magnitude;
87   vpx_image_t             preview_img;
88   vp8_postproc_cfg_t      preview_ppcfg;
89   vpx_codec_pkt_list_decl(64) pkt_list;
90   unsigned int                fixed_kf_cntr;
91 };
92 
ref_frame_to_vp9_reframe(vpx_ref_frame_type_t frame)93 static VP9_REFFRAME ref_frame_to_vp9_reframe(vpx_ref_frame_type_t frame) {
94   switch (frame) {
95     case VP8_LAST_FRAME:
96       return VP9_LAST_FLAG;
97     case VP8_GOLD_FRAME:
98       return VP9_GOLD_FLAG;
99     case VP8_ALTR_FRAME:
100       return VP9_ALT_FLAG;
101   }
102   assert(0 && "Invalid Reference Frame");
103   return VP9_LAST_FLAG;
104 }
105 
update_error_state(vpx_codec_alg_priv_t * ctx,const struct vpx_internal_error_info * error)106 static vpx_codec_err_t update_error_state(vpx_codec_alg_priv_t *ctx,
107     const struct vpx_internal_error_info *error) {
108   const vpx_codec_err_t res = error->error_code;
109 
110   if (res != VPX_CODEC_OK)
111     ctx->base.err_detail = error->has_detail ? error->detail : NULL;
112 
113   return res;
114 }
115 
116 
117 #undef ERROR
118 #define ERROR(str) do {\
119     ctx->base.err_detail = str;\
120     return VPX_CODEC_INVALID_PARAM;\
121   } while (0)
122 
123 #define RANGE_CHECK(p, memb, lo, hi) 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) do {\
129     if (!((p)->memb <= (hi))) \
130       ERROR(#memb " out of range [.."#hi"]");\
131   } while (0)
132 
133 #define RANGE_CHECK_LO(p, memb, lo) do {\
134     if (!((p)->memb >= (lo))) \
135       ERROR(#memb " out of range ["#lo"..]");\
136   } while (0)
137 
138 #define RANGE_CHECK_BOOL(p, memb) do {\
139     if (!!((p)->memb) != (p)->memb) ERROR(#memb " expected boolean");\
140   } while (0)
141 
validate_config(vpx_codec_alg_priv_t * ctx,const vpx_codec_enc_cfg_t * cfg,const struct vp9_extracfg * extra_cfg)142 static vpx_codec_err_t validate_config(vpx_codec_alg_priv_t *ctx,
143                                        const vpx_codec_enc_cfg_t *cfg,
144                                        const struct vp9_extracfg *extra_cfg) {
145   RANGE_CHECK(cfg, g_w,                   1, 65535);  // 16 bits available
146   RANGE_CHECK(cfg, g_h,                   1, 65535);  // 16 bits available
147   RANGE_CHECK(cfg, g_timebase.den,        1, 1000000000);
148   RANGE_CHECK(cfg, g_timebase.num,        1, cfg->g_timebase.den);
149   RANGE_CHECK_HI(cfg, g_profile,          3);
150 
151   RANGE_CHECK_HI(cfg, rc_max_quantizer,   63);
152   RANGE_CHECK_HI(cfg, rc_min_quantizer,   cfg->rc_max_quantizer);
153   RANGE_CHECK_BOOL(extra_cfg, lossless);
154   RANGE_CHECK(extra_cfg, aq_mode,           0, AQ_MODE_COUNT - 1);
155   RANGE_CHECK(extra_cfg, frame_periodic_boost, 0, 1);
156   RANGE_CHECK_HI(cfg, g_threads,          64);
157   RANGE_CHECK_HI(cfg, g_lag_in_frames,    MAX_LAG_BUFFERS);
158   RANGE_CHECK(cfg, rc_end_usage,          VPX_VBR, VPX_Q);
159   RANGE_CHECK_HI(cfg, rc_undershoot_pct,  1000);
160   RANGE_CHECK_HI(cfg, rc_overshoot_pct,   1000);
161   RANGE_CHECK_HI(cfg, rc_2pass_vbr_bias_pct, 100);
162   RANGE_CHECK(cfg, kf_mode,               VPX_KF_DISABLED, VPX_KF_AUTO);
163   RANGE_CHECK_BOOL(cfg,                   rc_resize_allowed);
164   RANGE_CHECK_HI(cfg, rc_dropframe_thresh,   100);
165   RANGE_CHECK_HI(cfg, rc_resize_up_thresh,   100);
166   RANGE_CHECK_HI(cfg, rc_resize_down_thresh, 100);
167   RANGE_CHECK(cfg,        g_pass,         VPX_RC_ONE_PASS, VPX_RC_LAST_PASS);
168 
169   RANGE_CHECK(cfg, ss_number_layers, 1, VPX_SS_MAX_LAYERS);
170   RANGE_CHECK(cfg, ts_number_layers, 1, VPX_TS_MAX_LAYERS);
171   if (cfg->ts_number_layers > 1) {
172     unsigned int i;
173     for (i = 1; i < cfg->ts_number_layers; ++i)
174       if (cfg->ts_target_bitrate[i] < cfg->ts_target_bitrate[i - 1])
175         ERROR("ts_target_bitrate entries are not increasing");
176 
177     RANGE_CHECK(cfg, ts_rate_decimator[cfg->ts_number_layers - 1], 1, 1);
178     for (i = cfg->ts_number_layers - 2; i > 0; --i)
179       if (cfg->ts_rate_decimator[i - 1] != 2 * cfg->ts_rate_decimator[i])
180         ERROR("ts_rate_decimator factors are not powers of 2");
181   }
182 
183   // VP8 does not support a lower bound on the keyframe interval in
184   // automatic keyframe placement mode.
185   if (cfg->kf_mode != VPX_KF_DISABLED &&
186       cfg->kf_min_dist != cfg->kf_max_dist &&
187       cfg->kf_min_dist > 0)
188     ERROR("kf_min_dist not supported in auto mode, use 0 "
189           "or kf_max_dist instead.");
190 
191   RANGE_CHECK_BOOL(extra_cfg,  enable_auto_alt_ref);
192   RANGE_CHECK(extra_cfg, cpu_used, -16, 16);
193   RANGE_CHECK_HI(extra_cfg, noise_sensitivity, 6);
194   RANGE_CHECK(extra_cfg, tile_columns, 0, 6);
195   RANGE_CHECK(extra_cfg, tile_rows, 0, 2);
196   RANGE_CHECK_HI(extra_cfg, sharpness, 7);
197   RANGE_CHECK(extra_cfg, arnr_max_frames, 0, 15);
198   RANGE_CHECK_HI(extra_cfg, arnr_strength, 6);
199   RANGE_CHECK(extra_cfg, arnr_type, 1, 3);
200   RANGE_CHECK(extra_cfg, cq_level, 0, 63);
201 
202   // TODO(yaowu): remove this when ssim tuning is implemented for vp9
203   if (extra_cfg->tuning == VP8_TUNE_SSIM)
204       ERROR("Option --tune=ssim is not currently supported in VP9.");
205 
206   if (cfg->g_pass == VPX_RC_LAST_PASS) {
207     size_t           packet_sz = sizeof(FIRSTPASS_STATS);
208     int              n_packets = (int)(cfg->rc_twopass_stats_in.sz / packet_sz);
209     const FIRSTPASS_STATS *stats;
210 
211     if (cfg->rc_twopass_stats_in.buf == NULL)
212       ERROR("rc_twopass_stats_in.buf not set.");
213 
214     if (cfg->rc_twopass_stats_in.sz % packet_sz)
215       ERROR("rc_twopass_stats_in.sz indicates truncated packet.");
216 
217     if (cfg->ss_number_layers > 1) {
218       int i;
219       unsigned int n_packets_per_layer[VPX_SS_MAX_LAYERS] = {0};
220 
221       stats = cfg->rc_twopass_stats_in.buf;
222       for (i = 0; i < n_packets; ++i) {
223         const int layer_id = (int)stats[i].spatial_layer_id;
224         if (layer_id >= 0 && layer_id < (int)cfg->ss_number_layers) {
225           ++n_packets_per_layer[layer_id];
226         }
227       }
228 
229       for (i = 0; i < (int)cfg->ss_number_layers; ++i) {
230         unsigned int layer_id;
231         if (n_packets_per_layer[i] < 2) {
232           ERROR("rc_twopass_stats_in requires at least two packets for each "
233                 "layer.");
234         }
235 
236         stats = (const FIRSTPASS_STATS *)cfg->rc_twopass_stats_in.buf +
237                 n_packets - cfg->ss_number_layers + i;
238         layer_id = (int)stats->spatial_layer_id;
239 
240         if (layer_id >= cfg->ss_number_layers
241             ||(int)(stats->count + 0.5) != n_packets_per_layer[layer_id] - 1)
242           ERROR("rc_twopass_stats_in missing EOS stats packet");
243       }
244     } else {
245       if (cfg->rc_twopass_stats_in.sz < 2 * packet_sz)
246         ERROR("rc_twopass_stats_in requires at least two packets.");
247 
248       stats =
249           (const FIRSTPASS_STATS *)cfg->rc_twopass_stats_in.buf + n_packets - 1;
250 
251       if ((int)(stats->count + 0.5) != n_packets - 1)
252         ERROR("rc_twopass_stats_in missing EOS stats packet");
253     }
254   }
255 
256   return VPX_CODEC_OK;
257 }
258 
259 
validate_img(vpx_codec_alg_priv_t * ctx,const vpx_image_t * img)260 static vpx_codec_err_t validate_img(vpx_codec_alg_priv_t *ctx,
261                                     const vpx_image_t *img) {
262   switch (img->fmt) {
263     case VPX_IMG_FMT_YV12:
264     case VPX_IMG_FMT_I420:
265     case VPX_IMG_FMT_I422:
266     case VPX_IMG_FMT_I444:
267       break;
268     default:
269       ERROR("Invalid image format. Only YV12, I420, I422, I444 images are "
270             "supported.");
271   }
272 
273   if (img->d_w != ctx->cfg.g_w || img->d_h != ctx->cfg.g_h)
274     ERROR("Image size must match encoder init configuration size");
275 
276   return VPX_CODEC_OK;
277 }
278 
279 
set_vp9e_config(VP9_CONFIG * oxcf,const vpx_codec_enc_cfg_t * cfg,const struct vp9_extracfg * extra_cfg)280 static vpx_codec_err_t set_vp9e_config(VP9_CONFIG *oxcf,
281                                        const vpx_codec_enc_cfg_t *cfg,
282                                        const struct vp9_extracfg *extra_cfg) {
283   oxcf->version = cfg->g_profile;
284   oxcf->width   = cfg->g_w;
285   oxcf->height  = cfg->g_h;
286   // guess a frame rate if out of whack, use 30
287   oxcf->framerate = (double)cfg->g_timebase.den / cfg->g_timebase.num;
288   if (oxcf->framerate > 180)
289     oxcf->framerate = 30;
290 
291   switch (cfg->g_pass) {
292     case VPX_RC_ONE_PASS:
293       oxcf->mode = MODE_GOODQUALITY;
294       break;
295     case VPX_RC_FIRST_PASS:
296       oxcf->mode = MODE_FIRSTPASS;
297       break;
298     case VPX_RC_LAST_PASS:
299       oxcf->mode = MODE_SECONDPASS_BEST;
300       break;
301   }
302 
303   oxcf->lag_in_frames = cfg->g_pass == VPX_RC_FIRST_PASS ? 0
304                                                          : cfg->g_lag_in_frames;
305 
306   oxcf->end_usage = USAGE_LOCAL_FILE_PLAYBACK;
307   if (cfg->rc_end_usage == VPX_CQ)
308     oxcf->end_usage = USAGE_CONSTRAINED_QUALITY;
309   else if (cfg->rc_end_usage == VPX_Q)
310     oxcf->end_usage = USAGE_CONSTANT_QUALITY;
311   else if (cfg->rc_end_usage == VPX_CBR)
312     oxcf->end_usage = USAGE_STREAM_FROM_SERVER;
313 
314   oxcf->target_bandwidth         = cfg->rc_target_bitrate;
315   oxcf->rc_max_intra_bitrate_pct = extra_cfg->rc_max_intra_bitrate_pct;
316 
317   oxcf->best_allowed_q          = cfg->rc_min_quantizer;
318   oxcf->worst_allowed_q         = cfg->rc_max_quantizer;
319   oxcf->cq_level                = extra_cfg->cq_level;
320   oxcf->fixed_q = -1;
321 
322   oxcf->under_shoot_pct         = cfg->rc_undershoot_pct;
323   oxcf->over_shoot_pct          = cfg->rc_overshoot_pct;
324 
325   oxcf->maximum_buffer_size     = cfg->rc_buf_sz;
326   oxcf->starting_buffer_level   = cfg->rc_buf_initial_sz;
327   oxcf->optimal_buffer_level    = cfg->rc_buf_optimal_sz;
328 
329   oxcf->drop_frames_water_mark   = cfg->rc_dropframe_thresh;
330 
331   oxcf->two_pass_vbrbias         = cfg->rc_2pass_vbr_bias_pct;
332   oxcf->two_pass_vbrmin_section  = cfg->rc_2pass_vbr_minsection_pct;
333   oxcf->two_pass_vbrmax_section  = cfg->rc_2pass_vbr_maxsection_pct;
334 
335   oxcf->auto_key               = cfg->kf_mode == VPX_KF_AUTO &&
336                                  cfg->kf_min_dist != cfg->kf_max_dist;
337 
338   oxcf->key_freq               = cfg->kf_max_dist;
339 
340   oxcf->cpu_used               =  extra_cfg->cpu_used;
341   oxcf->encode_breakout        =  extra_cfg->static_thresh;
342   oxcf->play_alternate         =  extra_cfg->enable_auto_alt_ref;
343   oxcf->noise_sensitivity      =  extra_cfg->noise_sensitivity;
344   oxcf->sharpness              =  extra_cfg->sharpness;
345 
346   oxcf->two_pass_stats_in      =  cfg->rc_twopass_stats_in;
347   oxcf->output_pkt_list        =  extra_cfg->pkt_list;
348 
349   oxcf->arnr_max_frames = extra_cfg->arnr_max_frames;
350   oxcf->arnr_strength   = extra_cfg->arnr_strength;
351   oxcf->arnr_type       = extra_cfg->arnr_type;
352 
353   oxcf->tuning = extra_cfg->tuning;
354 
355   oxcf->tile_columns = extra_cfg->tile_columns;
356   oxcf->tile_rows    = extra_cfg->tile_rows;
357 
358   oxcf->lossless = extra_cfg->lossless;
359 
360   oxcf->error_resilient_mode         = cfg->g_error_resilient;
361   oxcf->frame_parallel_decoding_mode = extra_cfg->frame_parallel_decoding_mode;
362 
363   oxcf->aq_mode = extra_cfg->aq_mode;
364 
365   oxcf->frame_periodic_boost =  extra_cfg->frame_periodic_boost;
366 
367   oxcf->ss_number_layers = cfg->ss_number_layers;
368 
369   if (oxcf->ss_number_layers > 1) {
370     vp9_copy(oxcf->ss_target_bitrate, cfg->ss_target_bitrate);
371   } else if (oxcf->ss_number_layers == 1) {
372     oxcf->ss_target_bitrate[0] = (int)oxcf->target_bandwidth;
373   }
374 
375   oxcf->ts_number_layers = cfg->ts_number_layers;
376 
377   if (oxcf->ts_number_layers > 1) {
378     vp9_copy(oxcf->ts_target_bitrate, cfg->ts_target_bitrate);
379     vp9_copy(oxcf->ts_rate_decimator, cfg->ts_rate_decimator);
380   } else if (oxcf->ts_number_layers == 1) {
381     oxcf->ts_target_bitrate[0] = (int)oxcf->target_bandwidth;
382     oxcf->ts_rate_decimator[0] = 1;
383   }
384 
385   /*
386   printf("Current VP9 Settings: \n");
387   printf("target_bandwidth: %d\n", oxcf->target_bandwidth);
388   printf("noise_sensitivity: %d\n", oxcf->noise_sensitivity);
389   printf("sharpness: %d\n",    oxcf->sharpness);
390   printf("cpu_used: %d\n",  oxcf->cpu_used);
391   printf("Mode: %d\n",     oxcf->mode);
392   printf("auto_key: %d\n",  oxcf->auto_key);
393   printf("key_freq: %d\n", oxcf->key_freq);
394   printf("end_usage: %d\n", oxcf->end_usage);
395   printf("under_shoot_pct: %d\n", oxcf->under_shoot_pct);
396   printf("over_shoot_pct: %d\n", oxcf->over_shoot_pct);
397   printf("starting_buffer_level: %d\n", oxcf->starting_buffer_level);
398   printf("optimal_buffer_level: %d\n",  oxcf->optimal_buffer_level);
399   printf("maximum_buffer_size: %d\n", oxcf->maximum_buffer_size);
400   printf("fixed_q: %d\n",  oxcf->fixed_q);
401   printf("worst_allowed_q: %d\n", oxcf->worst_allowed_q);
402   printf("best_allowed_q: %d\n", oxcf->best_allowed_q);
403   printf("two_pass_vbrbias: %d\n",  oxcf->two_pass_vbrbias);
404   printf("two_pass_vbrmin_section: %d\n", oxcf->two_pass_vbrmin_section);
405   printf("two_pass_vbrmax_section: %d\n", oxcf->two_pass_vbrmax_section);
406   printf("lag_in_frames: %d\n", oxcf->lag_in_frames);
407   printf("play_alternate: %d\n", oxcf->play_alternate);
408   printf("Version: %d\n", oxcf->Version);
409   printf("encode_breakout: %d\n", oxcf->encode_breakout);
410   printf("error resilient: %d\n", oxcf->error_resilient_mode);
411   printf("frame parallel detokenization: %d\n",
412          oxcf->frame_parallel_decoding_mode);
413   */
414   return VPX_CODEC_OK;
415 }
416 
vp9e_set_config(vpx_codec_alg_priv_t * ctx,const vpx_codec_enc_cfg_t * cfg)417 static vpx_codec_err_t vp9e_set_config(vpx_codec_alg_priv_t       *ctx,
418                                        const vpx_codec_enc_cfg_t  *cfg) {
419   vpx_codec_err_t res;
420 
421   if (cfg->g_w != ctx->cfg.g_w || cfg->g_h != ctx->cfg.g_h)
422     ERROR("Cannot change width or height after initialization");
423 
424   // Prevent increasing lag_in_frames. This check is stricter than it needs
425   // to be -- the limit is not increasing past the first lag_in_frames
426   // value, but we don't track the initial config, only the last successful
427   // config.
428   if (cfg->g_lag_in_frames > ctx->cfg.g_lag_in_frames)
429     ERROR("Cannot increase lag_in_frames");
430 
431   res = validate_config(ctx, cfg, &ctx->extra_cfg);
432 
433   if (res == VPX_CODEC_OK) {
434     ctx->cfg = *cfg;
435     set_vp9e_config(&ctx->oxcf, &ctx->cfg, &ctx->extra_cfg);
436     vp9_change_config(ctx->cpi, &ctx->oxcf);
437   }
438 
439   return res;
440 }
441 
442 
443 int vp9_reverse_trans(int q);
444 
445 
get_param(vpx_codec_alg_priv_t * ctx,int ctrl_id,va_list args)446 static vpx_codec_err_t get_param(vpx_codec_alg_priv_t *ctx, int ctrl_id,
447                                  va_list args) {
448   void *arg = va_arg(args, void *);
449 
450 #define MAP(id, var) case id: *(RECAST(id, arg)) = var; break
451 
452   if (arg == NULL)
453     return VPX_CODEC_INVALID_PARAM;
454 
455   switch (ctrl_id) {
456     MAP(VP8E_GET_LAST_QUANTIZER, vp9_get_quantizer(ctx->cpi));
457     MAP(VP8E_GET_LAST_QUANTIZER_64,
458         vp9_reverse_trans(vp9_get_quantizer(ctx->cpi)));
459   }
460 
461   return VPX_CODEC_OK;
462 #undef MAP
463 }
464 
465 
set_param(vpx_codec_alg_priv_t * ctx,int ctrl_id,va_list args)466 static vpx_codec_err_t set_param(vpx_codec_alg_priv_t *ctx, int ctrl_id,
467                                  va_list args) {
468   vpx_codec_err_t res = VPX_CODEC_OK;
469   struct vp9_extracfg extra_cfg = ctx->extra_cfg;
470 
471 #define MAP(id, var) case id: var = CAST(id, args); break;
472 
473   switch (ctrl_id) {
474     MAP(VP8E_SET_CPUUSED,                 extra_cfg.cpu_used);
475     MAP(VP8E_SET_ENABLEAUTOALTREF,        extra_cfg.enable_auto_alt_ref);
476     MAP(VP8E_SET_NOISE_SENSITIVITY,       extra_cfg.noise_sensitivity);
477     MAP(VP8E_SET_SHARPNESS,               extra_cfg.sharpness);
478     MAP(VP8E_SET_STATIC_THRESHOLD,        extra_cfg.static_thresh);
479     MAP(VP9E_SET_TILE_COLUMNS,            extra_cfg.tile_columns);
480     MAP(VP9E_SET_TILE_ROWS,               extra_cfg.tile_rows);
481     MAP(VP8E_SET_ARNR_MAXFRAMES,          extra_cfg.arnr_max_frames);
482     MAP(VP8E_SET_ARNR_STRENGTH,           extra_cfg.arnr_strength);
483     MAP(VP8E_SET_ARNR_TYPE,               extra_cfg.arnr_type);
484     MAP(VP8E_SET_TUNING,                  extra_cfg.tuning);
485     MAP(VP8E_SET_CQ_LEVEL,                extra_cfg.cq_level);
486     MAP(VP8E_SET_MAX_INTRA_BITRATE_PCT,   extra_cfg.rc_max_intra_bitrate_pct);
487     MAP(VP9E_SET_LOSSLESS,                extra_cfg.lossless);
488     MAP(VP9E_SET_FRAME_PARALLEL_DECODING,
489         extra_cfg.frame_parallel_decoding_mode);
490     MAP(VP9E_SET_AQ_MODE,                 extra_cfg.aq_mode);
491     MAP(VP9E_SET_FRAME_PERIODIC_BOOST,   extra_cfg.frame_periodic_boost);
492   }
493 
494   res = validate_config(ctx, &ctx->cfg, &extra_cfg);
495 
496   if (res == VPX_CODEC_OK) {
497     ctx->extra_cfg = extra_cfg;
498     set_vp9e_config(&ctx->oxcf, &ctx->cfg, &ctx->extra_cfg);
499     vp9_change_config(ctx->cpi, &ctx->oxcf);
500   }
501 
502   return res;
503 #undef MAP
504 }
505 
506 
vp9e_common_init(vpx_codec_ctx_t * ctx)507 static vpx_codec_err_t vp9e_common_init(vpx_codec_ctx_t *ctx) {
508   vpx_codec_err_t res = VPX_CODEC_OK;
509 
510   if (ctx->priv == NULL) {
511     int i;
512     vpx_codec_enc_cfg_t *cfg;
513     struct vpx_codec_alg_priv *priv = calloc(1, sizeof(*priv));
514 
515     if (priv == NULL) return VPX_CODEC_MEM_ERROR;
516 
517     ctx->priv = &priv->base;
518     ctx->priv->sz = sizeof(*ctx->priv);
519     ctx->priv->iface = ctx->iface;
520     ctx->priv->alg_priv = priv;
521     ctx->priv->init_flags = ctx->init_flags;
522     ctx->priv->enc.total_encoders = 1;
523 
524     if (ctx->config.enc) {
525       // Update the reference to the config structure to an
526       // internal copy.
527       ctx->priv->alg_priv->cfg = *ctx->config.enc;
528       ctx->config.enc = &ctx->priv->alg_priv->cfg;
529     }
530 
531     cfg = &ctx->priv->alg_priv->cfg;
532 
533     // Select the extra vp6 configuration table based on the current
534     // usage value. If the current usage value isn't found, use the
535     // values for usage case 0.
536     for (i = 0;
537          extracfg_map[i].usage && extracfg_map[i].usage != cfg->g_usage;
538          ++i) {}
539 
540     priv->extra_cfg = extracfg_map[i].cfg;
541     priv->extra_cfg.pkt_list = &priv->pkt_list.head;
542 
543     // Maximum buffer size approximated based on having multiple ARF.
544     priv->cx_data_sz = priv->cfg.g_w * priv->cfg.g_h * 3 / 2 * 8;
545 
546     if (priv->cx_data_sz < 4096) priv->cx_data_sz = 4096;
547 
548     priv->cx_data = (unsigned char *)malloc(priv->cx_data_sz);
549     if (priv->cx_data == NULL)
550       return VPX_CODEC_MEM_ERROR;
551 
552     vp9_initialize_enc();
553 
554     res = validate_config(priv, &priv->cfg, &priv->extra_cfg);
555 
556     if (res == VPX_CODEC_OK) {
557       VP9_COMP *cpi;
558       set_vp9e_config(&ctx->priv->alg_priv->oxcf,
559                       &ctx->priv->alg_priv->cfg,
560                       &ctx->priv->alg_priv->extra_cfg);
561       cpi = vp9_create_compressor(&ctx->priv->alg_priv->oxcf);
562       if (cpi == NULL)
563         res = VPX_CODEC_MEM_ERROR;
564       else
565         ctx->priv->alg_priv->cpi = cpi;
566     }
567   }
568 
569   return res;
570 }
571 
572 
vp9e_init(vpx_codec_ctx_t * ctx,vpx_codec_priv_enc_mr_cfg_t * data)573 static vpx_codec_err_t vp9e_init(vpx_codec_ctx_t *ctx,
574                                  vpx_codec_priv_enc_mr_cfg_t *data) {
575   return vp9e_common_init(ctx);
576 }
577 
vp9e_destroy(vpx_codec_alg_priv_t * ctx)578 static vpx_codec_err_t vp9e_destroy(vpx_codec_alg_priv_t *ctx) {
579   free(ctx->cx_data);
580   vp9_remove_compressor(ctx->cpi);
581   free(ctx);
582   return VPX_CODEC_OK;
583 }
584 
pick_quickcompress_mode(vpx_codec_alg_priv_t * ctx,unsigned long duration,unsigned long deadline)585 static void pick_quickcompress_mode(vpx_codec_alg_priv_t  *ctx,
586                                     unsigned long duration,
587                                     unsigned long deadline) {
588   // Use best quality mode if no deadline is given.
589   MODE new_qc = MODE_BESTQUALITY;
590 
591   if (deadline) {
592     // Convert duration parameter from stream timebase to microseconds
593     const uint64_t duration_us = (uint64_t)duration * 1000000 *
594                                (uint64_t)ctx->cfg.g_timebase.num /
595                                (uint64_t)ctx->cfg.g_timebase.den;
596 
597     // If the deadline is more that the duration this frame is to be shown,
598     // use good quality mode. Otherwise use realtime mode.
599     new_qc = (deadline > duration_us) ? MODE_GOODQUALITY : MODE_REALTIME;
600   }
601 
602   if (ctx->cfg.g_pass == VPX_RC_FIRST_PASS)
603     new_qc = MODE_FIRSTPASS;
604   else if (ctx->cfg.g_pass == VPX_RC_LAST_PASS)
605     new_qc = (new_qc == MODE_BESTQUALITY) ? MODE_SECONDPASS_BEST
606                                           : MODE_SECONDPASS;
607 
608   if (ctx->oxcf.mode != new_qc) {
609     ctx->oxcf.mode = new_qc;
610     vp9_change_config(ctx->cpi, &ctx->oxcf);
611   }
612 }
613 
614 
write_superframe_index(vpx_codec_alg_priv_t * ctx)615 static int write_superframe_index(vpx_codec_alg_priv_t *ctx) {
616   uint8_t marker = 0xc0;
617   unsigned int mask;
618   int mag, index_sz;
619 
620   assert(ctx->pending_frame_count);
621   assert(ctx->pending_frame_count <= 8);
622 
623   // Add the number of frames to the marker byte
624   marker |= ctx->pending_frame_count - 1;
625 
626   // Choose the magnitude
627   for (mag = 0, mask = 0xff; mag < 4; mag++) {
628     if (ctx->pending_frame_magnitude < mask)
629       break;
630     mask <<= 8;
631     mask |= 0xff;
632   }
633   marker |= mag << 3;
634 
635   // Write the index
636   index_sz = 2 + (mag + 1) * ctx->pending_frame_count;
637   if (ctx->pending_cx_data_sz + index_sz < ctx->cx_data_sz) {
638     uint8_t *x = ctx->pending_cx_data + ctx->pending_cx_data_sz;
639     int i, j;
640 
641     *x++ = marker;
642     for (i = 0; i < ctx->pending_frame_count; i++) {
643       unsigned int this_sz = (unsigned int)ctx->pending_frame_sizes[i];
644 
645       for (j = 0; j <= mag; j++) {
646         *x++ = this_sz & 0xff;
647         this_sz >>= 8;
648       }
649     }
650     *x++ = marker;
651     ctx->pending_cx_data_sz += index_sz;
652   }
653   return index_sz;
654 }
655 
vp9e_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 flags,unsigned long deadline)656 static vpx_codec_err_t vp9e_encode(vpx_codec_alg_priv_t  *ctx,
657                                    const vpx_image_t *img,
658                                    vpx_codec_pts_t pts,
659                                    unsigned long duration,
660                                    vpx_enc_frame_flags_t flags,
661                                    unsigned long deadline) {
662   vpx_codec_err_t res = VPX_CODEC_OK;
663 
664   if (img)
665     res = validate_img(ctx, img);
666 
667   pick_quickcompress_mode(ctx, duration, deadline);
668   vpx_codec_pkt_list_init(&ctx->pkt_list);
669 
670   // Handle Flags
671   if (((flags & VP8_EFLAG_NO_UPD_GF) && (flags & VP8_EFLAG_FORCE_GF)) ||
672        ((flags & VP8_EFLAG_NO_UPD_ARF) && (flags & VP8_EFLAG_FORCE_ARF))) {
673     ctx->base.err_detail = "Conflicting flags.";
674     return VPX_CODEC_INVALID_PARAM;
675   }
676 
677   if (flags & (VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_GF |
678                VP8_EFLAG_NO_REF_ARF)) {
679     int ref = 7;
680 
681     if (flags & VP8_EFLAG_NO_REF_LAST)
682       ref ^= VP9_LAST_FLAG;
683 
684     if (flags & VP8_EFLAG_NO_REF_GF)
685       ref ^= VP9_GOLD_FLAG;
686 
687     if (flags & VP8_EFLAG_NO_REF_ARF)
688       ref ^= VP9_ALT_FLAG;
689 
690     vp9_use_as_reference(ctx->cpi, ref);
691   }
692 
693   if (flags & (VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF |
694                VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_FORCE_GF |
695                VP8_EFLAG_FORCE_ARF)) {
696     int upd = 7;
697 
698     if (flags & VP8_EFLAG_NO_UPD_LAST)
699       upd ^= VP9_LAST_FLAG;
700 
701     if (flags & VP8_EFLAG_NO_UPD_GF)
702       upd ^= VP9_GOLD_FLAG;
703 
704     if (flags & VP8_EFLAG_NO_UPD_ARF)
705       upd ^= VP9_ALT_FLAG;
706 
707     vp9_update_reference(ctx->cpi, upd);
708   }
709 
710   if (flags & VP8_EFLAG_NO_UPD_ENTROPY) {
711     vp9_update_entropy(ctx->cpi, 0);
712   }
713 
714   // Handle fixed keyframe intervals
715   if (ctx->cfg.kf_mode == VPX_KF_AUTO &&
716       ctx->cfg.kf_min_dist == ctx->cfg.kf_max_dist) {
717     if (++ctx->fixed_kf_cntr > ctx->cfg.kf_min_dist) {
718       flags |= VPX_EFLAG_FORCE_KF;
719       ctx->fixed_kf_cntr = 1;
720     }
721   }
722 
723   // Initialize the encoder instance on the first frame.
724   if (res == VPX_CODEC_OK && ctx->cpi != NULL) {
725     unsigned int lib_flags;
726     YV12_BUFFER_CONFIG sd;
727     int64_t dst_time_stamp, dst_end_time_stamp;
728     size_t size, cx_data_sz;
729     unsigned char *cx_data;
730 
731     // Set up internal flags
732     if (ctx->base.init_flags & VPX_CODEC_USE_PSNR)
733       ((VP9_COMP *)ctx->cpi)->b_calculate_psnr = 1;
734 
735     // Convert API flags to internal codec lib flags
736     lib_flags = (flags & VPX_EFLAG_FORCE_KF) ? FRAMEFLAGS_KEY : 0;
737 
738     /* vp9 use 10,000,000 ticks/second as time stamp */
739     dst_time_stamp = (pts * 10000000 * ctx->cfg.g_timebase.num)
740                      / ctx->cfg.g_timebase.den;
741     dst_end_time_stamp = (pts + duration) * 10000000 * ctx->cfg.g_timebase.num /
742                          ctx->cfg.g_timebase.den;
743 
744     if (img != NULL) {
745       res = image2yuvconfig(img, &sd);
746 
747       if (vp9_receive_raw_frame(ctx->cpi, lib_flags,
748                                 &sd, dst_time_stamp, dst_end_time_stamp)) {
749         VP9_COMP *cpi = (VP9_COMP *)ctx->cpi;
750         res = update_error_state(ctx, &cpi->common.error);
751       }
752     }
753 
754     cx_data = ctx->cx_data;
755     cx_data_sz = ctx->cx_data_sz;
756     lib_flags = 0;
757 
758     /* Any pending invisible frames? */
759     if (ctx->pending_cx_data) {
760       memmove(cx_data, ctx->pending_cx_data, ctx->pending_cx_data_sz);
761       ctx->pending_cx_data = cx_data;
762       cx_data += ctx->pending_cx_data_sz;
763       cx_data_sz -= ctx->pending_cx_data_sz;
764 
765       /* TODO: this is a minimal check, the underlying codec doesn't respect
766        * the buffer size anyway.
767        */
768       if (cx_data_sz < ctx->cx_data_sz / 2) {
769         ctx->base.err_detail = "Compressed data buffer too small";
770         return VPX_CODEC_ERROR;
771       }
772     }
773 
774     while (cx_data_sz >= ctx->cx_data_sz / 2 &&
775            -1 != vp9_get_compressed_data(ctx->cpi, &lib_flags, &size,
776                                          cx_data, &dst_time_stamp,
777                                          &dst_end_time_stamp, !img)) {
778       if (size) {
779         vpx_codec_pts_t round, delta;
780         vpx_codec_cx_pkt_t pkt;
781         VP9_COMP *const cpi = (VP9_COMP *)ctx->cpi;
782 
783         // Pack invisible frames with the next visible frame
784         if (cpi->common.show_frame == 0) {
785           if (ctx->pending_cx_data == 0)
786             ctx->pending_cx_data = cx_data;
787           ctx->pending_cx_data_sz += size;
788           ctx->pending_frame_sizes[ctx->pending_frame_count++] = size;
789           ctx->pending_frame_magnitude |= size;
790           cx_data += size;
791           cx_data_sz -= size;
792           continue;
793         }
794 
795         // Add the frame packet to the list of returned packets.
796         round = (vpx_codec_pts_t)1000000 * ctx->cfg.g_timebase.num / 2 - 1;
797         delta = (dst_end_time_stamp - dst_time_stamp);
798         pkt.kind = VPX_CODEC_CX_FRAME_PKT;
799         pkt.data.frame.pts =
800           (dst_time_stamp * ctx->cfg.g_timebase.den + round)
801           / ctx->cfg.g_timebase.num / 10000000;
802         pkt.data.frame.duration = (unsigned long)
803           ((delta * ctx->cfg.g_timebase.den + round)
804           / ctx->cfg.g_timebase.num / 10000000);
805         pkt.data.frame.flags = lib_flags << 16;
806 
807         if (lib_flags & FRAMEFLAGS_KEY)
808           pkt.data.frame.flags |= VPX_FRAME_IS_KEY;
809 
810         if (cpi->common.show_frame == 0) {
811           pkt.data.frame.flags |= VPX_FRAME_IS_INVISIBLE;
812 
813           // This timestamp should be as close as possible to the
814           // prior PTS so that if a decoder uses pts to schedule when
815           // to do this, we start right after last frame was decoded.
816           // Invisible frames have no duration.
817           pkt.data.frame.pts = ((cpi->last_time_stamp_seen
818                                  * ctx->cfg.g_timebase.den + round)
819                                 / ctx->cfg.g_timebase.num / 10000000) + 1;
820           pkt.data.frame.duration = 0;
821         }
822 
823         if (cpi->droppable)
824           pkt.data.frame.flags |= VPX_FRAME_IS_DROPPABLE;
825 
826         if (ctx->pending_cx_data) {
827           ctx->pending_frame_sizes[ctx->pending_frame_count++] = size;
828           ctx->pending_frame_magnitude |= size;
829           ctx->pending_cx_data_sz += size;
830           size += write_superframe_index(ctx);
831           pkt.data.frame.buf = ctx->pending_cx_data;
832           pkt.data.frame.sz  = ctx->pending_cx_data_sz;
833           ctx->pending_cx_data = NULL;
834           ctx->pending_cx_data_sz = 0;
835           ctx->pending_frame_count = 0;
836           ctx->pending_frame_magnitude = 0;
837         } else {
838           pkt.data.frame.buf = cx_data;
839           pkt.data.frame.sz  = size;
840         }
841         pkt.data.frame.partition_id = -1;
842         vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
843         cx_data += size;
844         cx_data_sz -= size;
845       }
846     }
847   }
848 
849   return res;
850 }
851 
852 
vp9e_get_cxdata(vpx_codec_alg_priv_t * ctx,vpx_codec_iter_t * iter)853 static const vpx_codec_cx_pkt_t *vp9e_get_cxdata(vpx_codec_alg_priv_t  *ctx,
854                                                  vpx_codec_iter_t      *iter) {
855   return vpx_codec_pkt_list_get(&ctx->pkt_list.head, iter);
856 }
857 
vp9e_set_reference(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)858 static vpx_codec_err_t vp9e_set_reference(vpx_codec_alg_priv_t *ctx,
859                                           int ctr_id,
860                                           va_list args) {
861   vpx_ref_frame_t *const frame = va_arg(args, vpx_ref_frame_t *);
862 
863   if (frame != NULL) {
864     YV12_BUFFER_CONFIG sd;
865 
866     image2yuvconfig(&frame->img, &sd);
867     vp9_set_reference_enc(ctx->cpi, ref_frame_to_vp9_reframe(frame->frame_type),
868                           &sd);
869     return VPX_CODEC_OK;
870   } else {
871     return VPX_CODEC_INVALID_PARAM;
872   }
873 }
874 
vp9e_copy_reference(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)875 static vpx_codec_err_t vp9e_copy_reference(vpx_codec_alg_priv_t *ctx,
876                                            int ctr_id,
877                                            va_list args) {
878   vpx_ref_frame_t *const frame = va_arg(args, vpx_ref_frame_t *);
879 
880   if (frame != NULL) {
881     YV12_BUFFER_CONFIG sd;
882 
883     image2yuvconfig(&frame->img, &sd);
884     vp9_copy_reference_enc(ctx->cpi,
885                            ref_frame_to_vp9_reframe(frame->frame_type), &sd);
886     return VPX_CODEC_OK;
887   } else {
888     return VPX_CODEC_INVALID_PARAM;
889   }
890 }
891 
get_reference(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)892 static vpx_codec_err_t get_reference(vpx_codec_alg_priv_t *ctx,
893                                      int ctr_id,
894                                      va_list args) {
895   vp9_ref_frame_t *frame = va_arg(args, vp9_ref_frame_t *);
896 
897   if (frame != NULL) {
898     YV12_BUFFER_CONFIG* fb;
899 
900     vp9_get_reference_enc(ctx->cpi, frame->idx, &fb);
901     yuvconfig2image(&frame->img, fb, NULL);
902     return VPX_CODEC_OK;
903   } else {
904     return VPX_CODEC_INVALID_PARAM;
905   }
906 }
907 
vp9e_set_previewpp(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)908 static vpx_codec_err_t vp9e_set_previewpp(vpx_codec_alg_priv_t *ctx,
909                                           int ctr_id,
910                                           va_list args) {
911 #if CONFIG_VP9_POSTPROC
912   vp8_postproc_cfg_t *config = va_arg(args, vp8_postproc_cfg_t *);
913   (void)ctr_id;
914 
915   if (config != NULL) {
916     ctx->preview_ppcfg = *config;
917     return VPX_CODEC_OK;
918   } else {
919     return VPX_CODEC_INVALID_PARAM;
920   }
921 #else
922   (void)ctx;
923   (void)ctr_id;
924   (void)args;
925   return VPX_CODEC_INCAPABLE;
926 #endif
927 }
928 
929 
vp9e_get_preview(vpx_codec_alg_priv_t * ctx)930 static vpx_image_t *vp9e_get_preview(vpx_codec_alg_priv_t *ctx) {
931   YV12_BUFFER_CONFIG sd;
932   vp9_ppflags_t flags = {0};
933 
934   if (ctx->preview_ppcfg.post_proc_flag) {
935     flags.post_proc_flag   = ctx->preview_ppcfg.post_proc_flag;
936     flags.deblocking_level = ctx->preview_ppcfg.deblocking_level;
937     flags.noise_level      = ctx->preview_ppcfg.noise_level;
938   }
939 
940   if (vp9_get_preview_raw_frame(ctx->cpi, &sd, &flags) == 0) {
941     yuvconfig2image(&ctx->preview_img, &sd, NULL);
942     return &ctx->preview_img;
943   } else {
944     return NULL;
945   }
946 }
947 
vp9e_update_entropy(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)948 static vpx_codec_err_t vp9e_update_entropy(vpx_codec_alg_priv_t *ctx,
949                                            int ctr_id,
950                                            va_list args) {
951   const int update = va_arg(args, int);
952   vp9_update_entropy(ctx->cpi, update);
953   return VPX_CODEC_OK;
954 }
955 
vp9e_update_reference(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)956 static vpx_codec_err_t vp9e_update_reference(vpx_codec_alg_priv_t *ctx,
957                                              int ctr_id,
958                                              va_list args) {
959   const int ref_frame_flags = va_arg(args, int);
960   vp9_update_reference(ctx->cpi, ref_frame_flags);
961   return VPX_CODEC_OK;
962 }
963 
vp9e_use_reference(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)964 static vpx_codec_err_t vp9e_use_reference(vpx_codec_alg_priv_t *ctx,
965                                           int ctr_id,
966                                           va_list args) {
967   const int reference_flag = va_arg(args, int);
968   vp9_use_as_reference(ctx->cpi, reference_flag);
969   return VPX_CODEC_OK;
970 }
971 
vp9e_set_roi_map(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)972 static vpx_codec_err_t vp9e_set_roi_map(vpx_codec_alg_priv_t *ctx,
973                                         int ctr_id,
974                                         va_list args) {
975   // TODO(yaowu): Need to re-implement and test for VP9.
976   return VPX_CODEC_INVALID_PARAM;
977 }
978 
979 
vp9e_set_activemap(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)980 static vpx_codec_err_t vp9e_set_activemap(vpx_codec_alg_priv_t *ctx,
981                                           int ctr_id,
982                                           va_list args) {
983   vpx_active_map_t *const map = va_arg(args, vpx_active_map_t *);
984 
985   if (map) {
986     if (!vp9_set_active_map(ctx->cpi, map->active_map, map->rows, map->cols))
987       return VPX_CODEC_OK;
988     else
989       return VPX_CODEC_INVALID_PARAM;
990   } else {
991     return VPX_CODEC_INVALID_PARAM;
992   }
993 }
994 
vp9e_set_scalemode(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)995 static vpx_codec_err_t vp9e_set_scalemode(vpx_codec_alg_priv_t *ctx,
996                                           int ctr_id, va_list args) {
997   vpx_scaling_mode_t *const mode = va_arg(args, vpx_scaling_mode_t *);
998 
999   if (mode) {
1000     const int res = vp9_set_internal_size(ctx->cpi,
1001                                           (VPX_SCALING)mode->h_scaling_mode,
1002                                           (VPX_SCALING)mode->v_scaling_mode);
1003     return (res == 0) ? VPX_CODEC_OK : VPX_CODEC_INVALID_PARAM;
1004   } else {
1005     return VPX_CODEC_INVALID_PARAM;
1006   }
1007 }
1008 
vp9e_set_svc(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)1009 static vpx_codec_err_t vp9e_set_svc(vpx_codec_alg_priv_t *ctx, int ctr_id,
1010                                     va_list args) {
1011   int data = va_arg(args, int);
1012   const vpx_codec_enc_cfg_t *cfg = &ctx->cfg;
1013   vp9_set_svc(ctx->cpi, data);
1014   // CBR or two pass mode for SVC with both temporal and spatial layers
1015   // not yet supported.
1016   if (data == 1 &&
1017       (cfg->rc_end_usage == VPX_CBR ||
1018        cfg->g_pass == VPX_RC_FIRST_PASS ||
1019        cfg->g_pass == VPX_RC_LAST_PASS) &&
1020       cfg->ss_number_layers > 1 &&
1021       cfg->ts_number_layers > 1) {
1022     return VPX_CODEC_INVALID_PARAM;
1023   }
1024   return VPX_CODEC_OK;
1025 }
1026 
vp9e_set_svc_layer_id(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)1027 static vpx_codec_err_t vp9e_set_svc_layer_id(vpx_codec_alg_priv_t *ctx,
1028                                              int ctr_id,
1029                                              va_list args) {
1030   vpx_svc_layer_id_t *const data = va_arg(args, vpx_svc_layer_id_t *);
1031   VP9_COMP *const cpi = (VP9_COMP *)ctx->cpi;
1032   SVC *const svc = &cpi->svc;
1033   svc->spatial_layer_id = data->spatial_layer_id;
1034   svc->temporal_layer_id = data->temporal_layer_id;
1035   // Checks on valid layer_id input.
1036   if (svc->temporal_layer_id < 0 ||
1037       svc->temporal_layer_id >= (int)ctx->cfg.ts_number_layers) {
1038     return VPX_CODEC_INVALID_PARAM;
1039   }
1040   if (svc->spatial_layer_id < 0 ||
1041       svc->spatial_layer_id >= (int)ctx->cfg.ss_number_layers) {
1042     return VPX_CODEC_INVALID_PARAM;
1043   }
1044   return VPX_CODEC_OK;
1045 }
1046 
vp9e_set_svc_parameters(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)1047 static vpx_codec_err_t vp9e_set_svc_parameters(vpx_codec_alg_priv_t *ctx,
1048                                                int ctr_id, va_list args) {
1049   VP9_COMP *const cpi = ctx->cpi;
1050   vpx_svc_parameters_t *const params = va_arg(args, vpx_svc_parameters_t *);
1051 
1052   if (params == NULL)
1053     return VPX_CODEC_INVALID_PARAM;
1054 
1055   cpi->svc.spatial_layer_id = params->spatial_layer;
1056   cpi->svc.temporal_layer_id = params->temporal_layer;
1057 
1058   cpi->lst_fb_idx = params->lst_fb_idx;
1059   cpi->gld_fb_idx = params->gld_fb_idx;
1060   cpi->alt_fb_idx = params->alt_fb_idx;
1061 
1062   if (vp9_set_size_literal(ctx->cpi, params->width, params->height) != 0)
1063     return VPX_CODEC_INVALID_PARAM;
1064 
1065   ctx->cfg.rc_max_quantizer = params->max_quantizer;
1066   ctx->cfg.rc_min_quantizer = params->min_quantizer;
1067 
1068   set_vp9e_config(&ctx->oxcf, &ctx->cfg, &ctx->extra_cfg);
1069   vp9_change_config(ctx->cpi, &ctx->oxcf);
1070 
1071   return VPX_CODEC_OK;
1072 }
1073 
1074 static vpx_codec_ctrl_fn_map_t vp9e_ctf_maps[] = {
1075   {VP8_SET_REFERENCE,                 vp9e_set_reference},
1076   {VP8_COPY_REFERENCE,                vp9e_copy_reference},
1077   {VP8_SET_POSTPROC,                  vp9e_set_previewpp},
1078   {VP8E_UPD_ENTROPY,                  vp9e_update_entropy},
1079   {VP8E_UPD_REFERENCE,                vp9e_update_reference},
1080   {VP8E_USE_REFERENCE,                vp9e_use_reference},
1081   {VP8E_SET_ROI_MAP,                  vp9e_set_roi_map},
1082   {VP8E_SET_ACTIVEMAP,                vp9e_set_activemap},
1083   {VP8E_SET_SCALEMODE,                vp9e_set_scalemode},
1084   {VP8E_SET_CPUUSED,                  set_param},
1085   {VP8E_SET_NOISE_SENSITIVITY,        set_param},
1086   {VP8E_SET_ENABLEAUTOALTREF,         set_param},
1087   {VP8E_SET_SHARPNESS,                set_param},
1088   {VP8E_SET_STATIC_THRESHOLD,         set_param},
1089   {VP9E_SET_TILE_COLUMNS,             set_param},
1090   {VP9E_SET_TILE_ROWS,                set_param},
1091   {VP8E_GET_LAST_QUANTIZER,           get_param},
1092   {VP8E_GET_LAST_QUANTIZER_64,        get_param},
1093   {VP8E_SET_ARNR_MAXFRAMES,           set_param},
1094   {VP8E_SET_ARNR_STRENGTH,            set_param},
1095   {VP8E_SET_ARNR_TYPE,                set_param},
1096   {VP8E_SET_TUNING,                   set_param},
1097   {VP8E_SET_CQ_LEVEL,                 set_param},
1098   {VP8E_SET_MAX_INTRA_BITRATE_PCT,    set_param},
1099   {VP9E_SET_LOSSLESS,                 set_param},
1100   {VP9E_SET_FRAME_PARALLEL_DECODING,  set_param},
1101   {VP9E_SET_AQ_MODE,                  set_param},
1102   {VP9E_SET_FRAME_PERIODIC_BOOST,     set_param},
1103   {VP9_GET_REFERENCE,                 get_reference},
1104   {VP9E_SET_SVC,                      vp9e_set_svc},
1105   {VP9E_SET_SVC_PARAMETERS,           vp9e_set_svc_parameters},
1106   {VP9E_SET_SVC_LAYER_ID,             vp9e_set_svc_layer_id},
1107   { -1, NULL},
1108 };
1109 
1110 static vpx_codec_enc_cfg_map_t vp9e_usage_cfg_map[] = {
1111   {
1112     0,
1113     {  // NOLINT
1114       0,                  /* g_usage */
1115       0,                  /* g_threads */
1116       0,                  /* g_profile */
1117 
1118       320,                /* g_width */
1119       240,                /* g_height */
1120       {1, 30},            /* g_timebase */
1121 
1122       0,                  /* g_error_resilient */
1123 
1124       VPX_RC_ONE_PASS,    /* g_pass */
1125 
1126       25,                 /* g_lag_in_frames */
1127 
1128       0,                  /* rc_dropframe_thresh */
1129       0,                  /* rc_resize_allowed */
1130       60,                 /* rc_resize_down_thresold */
1131       30,                 /* rc_resize_up_thresold */
1132 
1133       VPX_VBR,            /* rc_end_usage */
1134 #if VPX_ENCODER_ABI_VERSION > (1 + VPX_CODEC_ABI_VERSION)
1135       {0},                /* rc_twopass_stats_in */
1136 #endif
1137       256,                /* rc_target_bandwidth */
1138       0,                  /* rc_min_quantizer */
1139       63,                 /* rc_max_quantizer */
1140       100,                /* rc_undershoot_pct */
1141       100,                /* rc_overshoot_pct */
1142 
1143       6000,               /* rc_max_buffer_size */
1144       4000,               /* rc_buffer_initial_size; */
1145       5000,               /* rc_buffer_optimal_size; */
1146 
1147       50,                 /* rc_two_pass_vbrbias  */
1148       0,                  /* rc_two_pass_vbrmin_section */
1149       2000,               /* rc_two_pass_vbrmax_section */
1150 
1151       /* keyframing settings (kf) */
1152       VPX_KF_AUTO,        /* g_kfmode*/
1153       0,                  /* kf_min_dist */
1154       9999,               /* kf_max_dist */
1155 
1156       VPX_SS_DEFAULT_LAYERS, /* ss_number_layers */
1157       {0},                /* ss_target_bitrate */
1158       1,                  /* ts_number_layers */
1159       {0},                /* ts_target_bitrate */
1160       {0},                /* ts_rate_decimator */
1161       0,                  /* ts_periodicity */
1162       {0},                /* ts_layer_id */
1163 #if VPX_ENCODER_ABI_VERSION == (1 + VPX_CODEC_ABI_VERSION)
1164       "vp8.fpf"           /* first pass filename */
1165 #endif
1166     }
1167   },
1168   { -1, {NOT_IMPLEMENTED}}
1169 };
1170 
1171 
1172 #ifndef VERSION_STRING
1173 #define VERSION_STRING
1174 #endif
1175 CODEC_INTERFACE(vpx_codec_vp9_cx) = {
1176   "WebM Project VP9 Encoder" VERSION_STRING,
1177   VPX_CODEC_INTERNAL_ABI_VERSION,
1178   VPX_CODEC_CAP_ENCODER | VPX_CODEC_CAP_PSNR,
1179   /* vpx_codec_caps_t          caps; */
1180   vp9e_init,          /* vpx_codec_init_fn_t       init; */
1181   vp9e_destroy,       /* vpx_codec_destroy_fn_t    destroy; */
1182   vp9e_ctf_maps,      /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
1183   NOT_IMPLEMENTED,    /* vpx_codec_get_mmap_fn_t   get_mmap; */
1184   NOT_IMPLEMENTED,    /* vpx_codec_set_mmap_fn_t   set_mmap; */
1185   {  // NOLINT
1186     NOT_IMPLEMENTED,    /* vpx_codec_peek_si_fn_t    peek_si; */
1187     NOT_IMPLEMENTED,    /* vpx_codec_get_si_fn_t     get_si; */
1188     NOT_IMPLEMENTED,    /* vpx_codec_decode_fn_t     decode; */
1189     NOT_IMPLEMENTED,    /* vpx_codec_frame_get_fn_t  frame_get; */
1190   },
1191   {  // NOLINT
1192     vp9e_usage_cfg_map, /* vpx_codec_enc_cfg_map_t    peek_si; */
1193     vp9e_encode,        /* vpx_codec_encode_fn_t      encode; */
1194     vp9e_get_cxdata,    /* vpx_codec_get_cx_data_fn_t   frame_get; */
1195     vp9e_set_config,
1196     NOT_IMPLEMENTED,
1197     vp9e_get_preview,
1198   } /* encoder functions */
1199 };
1200