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_config.h"
15#include "vpx/vpx_codec.h"
16#include "vpx/internal/vpx_codec_internal.h"
17#include "./vpx_version.h"
18#include "vp9/encoder/vp9_encoder.h"
19#include "vpx/vp8cx.h"
20#include "vp9/encoder/vp9_firstpass.h"
21#include "vp9/vp9_iface_common.h"
22
23struct vp9_extracfg {
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  vp8e_tuning                 tuning;
34  unsigned int                cq_level;  // constrained quality level
35  unsigned int                rc_max_intra_bitrate_pct;
36  unsigned int                lossless;
37  unsigned int                frame_parallel_decoding_mode;
38  AQ_MODE                     aq_mode;
39  unsigned int                frame_periodic_boost;
40  vpx_bit_depth_t             bit_depth;
41  vp9e_tune_content           content;
42};
43
44static struct vp9_extracfg default_extra_cfg = {
45  0,                          // cpu_used
46  1,                          // enable_auto_alt_ref
47  0,                          // noise_sensitivity
48  0,                          // sharpness
49  0,                          // static_thresh
50  0,                          // tile_columns
51  0,                          // tile_rows
52  7,                          // arnr_max_frames
53  5,                          // arnr_strength
54  VP8_TUNE_PSNR,              // tuning
55  10,                         // cq_level
56  0,                          // rc_max_intra_bitrate_pct
57  0,                          // lossless
58  0,                          // frame_parallel_decoding_mode
59  NO_AQ,                      // aq_mode
60  0,                          // frame_periodic_delta_q
61  VPX_BITS_8,                 // Bit depth
62  VP9E_CONTENT_DEFAULT        // content
63};
64
65struct vpx_codec_alg_priv {
66  vpx_codec_priv_t        base;
67  vpx_codec_enc_cfg_t     cfg;
68  struct vp9_extracfg     extra_cfg;
69  VP9EncoderConfig        oxcf;
70  VP9_COMP               *cpi;
71  unsigned char          *cx_data;
72  size_t                  cx_data_sz;
73  unsigned char          *pending_cx_data;
74  size_t                  pending_cx_data_sz;
75  int                     pending_frame_count;
76  size_t                  pending_frame_sizes[8];
77  size_t                  pending_frame_magnitude;
78  vpx_image_t             preview_img;
79  vp8_postproc_cfg_t      preview_ppcfg;
80  vpx_codec_pkt_list_decl(256) pkt_list;
81  unsigned int                 fixed_kf_cntr;
82};
83
84static VP9_REFFRAME ref_frame_to_vp9_reframe(vpx_ref_frame_type_t frame) {
85  switch (frame) {
86    case VP8_LAST_FRAME:
87      return VP9_LAST_FLAG;
88    case VP8_GOLD_FRAME:
89      return VP9_GOLD_FLAG;
90    case VP8_ALTR_FRAME:
91      return VP9_ALT_FLAG;
92  }
93  assert(0 && "Invalid Reference Frame");
94  return VP9_LAST_FLAG;
95}
96
97static vpx_codec_err_t update_error_state(vpx_codec_alg_priv_t *ctx,
98    const struct vpx_internal_error_info *error) {
99  const vpx_codec_err_t res = error->error_code;
100
101  if (res != VPX_CODEC_OK)
102    ctx->base.err_detail = error->has_detail ? error->detail : NULL;
103
104  return res;
105}
106
107
108#undef ERROR
109#define ERROR(str) do {\
110    ctx->base.err_detail = str;\
111    return VPX_CODEC_INVALID_PARAM;\
112  } while (0)
113
114#define RANGE_CHECK(p, memb, lo, hi) do {\
115    if (!(((p)->memb == lo || (p)->memb > (lo)) && (p)->memb <= hi)) \
116      ERROR(#memb " out of range ["#lo".."#hi"]");\
117  } while (0)
118
119#define RANGE_CHECK_HI(p, memb, hi) do {\
120    if (!((p)->memb <= (hi))) \
121      ERROR(#memb " out of range [.."#hi"]");\
122  } while (0)
123
124#define RANGE_CHECK_LO(p, memb, lo) do {\
125    if (!((p)->memb >= (lo))) \
126      ERROR(#memb " out of range ["#lo"..]");\
127  } while (0)
128
129#define RANGE_CHECK_BOOL(p, memb) do {\
130    if (!!((p)->memb) != (p)->memb) ERROR(#memb " expected boolean");\
131  } while (0)
132
133static vpx_codec_err_t validate_config(vpx_codec_alg_priv_t *ctx,
134                                       const vpx_codec_enc_cfg_t *cfg,
135                                       const struct vp9_extracfg *extra_cfg) {
136  RANGE_CHECK(cfg, g_w,                   1, 65535);  // 16 bits available
137  RANGE_CHECK(cfg, g_h,                   1, 65535);  // 16 bits available
138  RANGE_CHECK(cfg, g_timebase.den,        1, 1000000000);
139  RANGE_CHECK(cfg, g_timebase.num,        1, cfg->g_timebase.den);
140  RANGE_CHECK_HI(cfg, g_profile,          3);
141
142  RANGE_CHECK_HI(cfg, rc_max_quantizer,   63);
143  RANGE_CHECK_HI(cfg, rc_min_quantizer,   cfg->rc_max_quantizer);
144  RANGE_CHECK_BOOL(extra_cfg, lossless);
145  RANGE_CHECK(extra_cfg, aq_mode,           0, AQ_MODE_COUNT - 1);
146  RANGE_CHECK(extra_cfg, frame_periodic_boost, 0, 1);
147  RANGE_CHECK_HI(cfg, g_threads,          64);
148  RANGE_CHECK_HI(cfg, g_lag_in_frames,    MAX_LAG_BUFFERS);
149  RANGE_CHECK(cfg, rc_end_usage,          VPX_VBR, VPX_Q);
150  RANGE_CHECK_HI(cfg, rc_undershoot_pct,  1000);
151  RANGE_CHECK_HI(cfg, rc_overshoot_pct,   1000);
152  RANGE_CHECK_HI(cfg, rc_2pass_vbr_bias_pct, 100);
153  RANGE_CHECK(cfg, kf_mode,               VPX_KF_DISABLED, VPX_KF_AUTO);
154  RANGE_CHECK_BOOL(cfg,                   rc_resize_allowed);
155  RANGE_CHECK_HI(cfg, rc_dropframe_thresh,   100);
156  RANGE_CHECK_HI(cfg, rc_resize_up_thresh,   100);
157  RANGE_CHECK_HI(cfg, rc_resize_down_thresh, 100);
158  RANGE_CHECK(cfg,        g_pass,         VPX_RC_ONE_PASS, VPX_RC_LAST_PASS);
159
160  if (cfg->rc_resize_allowed == 1) {
161    RANGE_CHECK(cfg, rc_scaled_width, 1, cfg->g_w);
162    RANGE_CHECK(cfg, rc_scaled_height, 1, cfg->g_h);
163  }
164
165  RANGE_CHECK(cfg, ss_number_layers, 1, VPX_SS_MAX_LAYERS);
166  RANGE_CHECK(cfg, ts_number_layers, 1, VPX_TS_MAX_LAYERS);
167
168  if (cfg->ts_number_layers > 1) {
169    unsigned int i;
170    for (i = 1; i < cfg->ts_number_layers; ++i)
171      if (cfg->ts_target_bitrate[i] < cfg->ts_target_bitrate[i - 1])
172        ERROR("ts_target_bitrate entries are not increasing");
173
174    RANGE_CHECK(cfg, ts_rate_decimator[cfg->ts_number_layers - 1], 1, 1);
175    for (i = cfg->ts_number_layers - 2; i > 0; --i)
176      if (cfg->ts_rate_decimator[i - 1] != 2 * cfg->ts_rate_decimator[i])
177        ERROR("ts_rate_decimator factors are not powers of 2");
178  }
179
180#if CONFIG_SPATIAL_SVC
181
182  if ((cfg->ss_number_layers > 1 || cfg->ts_number_layers > 1) &&
183      cfg->g_pass == VPX_RC_LAST_PASS) {
184    unsigned int i, alt_ref_sum = 0;
185    for (i = 0; i < cfg->ss_number_layers; ++i) {
186      if (cfg->ss_enable_auto_alt_ref[i])
187        ++alt_ref_sum;
188    }
189    if (alt_ref_sum > REF_FRAMES - cfg->ss_number_layers)
190      ERROR("Not enough ref buffers for svc alt ref frames");
191    if ((cfg->ss_number_layers > 3 ||
192         cfg->ss_number_layers * cfg->ts_number_layers > 4) &&
193        cfg->g_error_resilient == 0)
194    ERROR("Multiple frame context are not supported for more than 3 spatial "
195          "layers or more than 4 spatial x temporal layers");
196  }
197#endif
198
199  // VP9 does not support a lower bound on the keyframe interval in
200  // automatic keyframe placement mode.
201  if (cfg->kf_mode != VPX_KF_DISABLED &&
202      cfg->kf_min_dist != cfg->kf_max_dist &&
203      cfg->kf_min_dist > 0)
204    ERROR("kf_min_dist not supported in auto mode, use 0 "
205          "or kf_max_dist instead.");
206
207  RANGE_CHECK_BOOL(extra_cfg,  enable_auto_alt_ref);
208  RANGE_CHECK(extra_cfg, cpu_used, -16, 16);
209  RANGE_CHECK_HI(extra_cfg, noise_sensitivity, 6);
210  RANGE_CHECK(extra_cfg, tile_columns, 0, 6);
211  RANGE_CHECK(extra_cfg, tile_rows, 0, 2);
212  RANGE_CHECK_HI(extra_cfg, sharpness, 7);
213  RANGE_CHECK(extra_cfg, arnr_max_frames, 0, 15);
214  RANGE_CHECK_HI(extra_cfg, arnr_strength, 6);
215  RANGE_CHECK(extra_cfg, cq_level, 0, 63);
216  RANGE_CHECK(cfg, g_bit_depth, VPX_BITS_8, VPX_BITS_12);
217  RANGE_CHECK(cfg, g_input_bit_depth, 8, 12);
218  RANGE_CHECK(extra_cfg, content,
219              VP9E_CONTENT_DEFAULT, VP9E_CONTENT_INVALID - 1);
220
221  // TODO(yaowu): remove this when ssim tuning is implemented for vp9
222  if (extra_cfg->tuning == VP8_TUNE_SSIM)
223      ERROR("Option --tune=ssim is not currently supported in VP9.");
224
225  if (cfg->g_pass == VPX_RC_LAST_PASS) {
226    const size_t packet_sz = sizeof(FIRSTPASS_STATS);
227    const int n_packets = (int)(cfg->rc_twopass_stats_in.sz / packet_sz);
228    const FIRSTPASS_STATS *stats;
229
230    if (cfg->rc_twopass_stats_in.buf == NULL)
231      ERROR("rc_twopass_stats_in.buf not set.");
232
233    if (cfg->rc_twopass_stats_in.sz % packet_sz)
234      ERROR("rc_twopass_stats_in.sz indicates truncated packet.");
235
236    if (cfg->ss_number_layers > 1 || cfg->ts_number_layers > 1) {
237      int i;
238      unsigned int n_packets_per_layer[VPX_SS_MAX_LAYERS] = {0};
239
240      stats = cfg->rc_twopass_stats_in.buf;
241      for (i = 0; i < n_packets; ++i) {
242        const int layer_id = (int)stats[i].spatial_layer_id;
243        if (layer_id >= 0 && layer_id < (int)cfg->ss_number_layers) {
244          ++n_packets_per_layer[layer_id];
245        }
246      }
247
248      for (i = 0; i < (int)cfg->ss_number_layers; ++i) {
249        unsigned int layer_id;
250        if (n_packets_per_layer[i] < 2) {
251          ERROR("rc_twopass_stats_in requires at least two packets for each "
252                "layer.");
253        }
254
255        stats = (const FIRSTPASS_STATS *)cfg->rc_twopass_stats_in.buf +
256                n_packets - cfg->ss_number_layers + i;
257        layer_id = (int)stats->spatial_layer_id;
258
259        if (layer_id >= cfg->ss_number_layers
260            ||(unsigned int)(stats->count + 0.5) !=
261               n_packets_per_layer[layer_id] - 1)
262          ERROR("rc_twopass_stats_in missing EOS stats packet");
263      }
264    } else {
265      if (cfg->rc_twopass_stats_in.sz < 2 * packet_sz)
266        ERROR("rc_twopass_stats_in requires at least two packets.");
267
268      stats =
269          (const FIRSTPASS_STATS *)cfg->rc_twopass_stats_in.buf + n_packets - 1;
270
271      if ((int)(stats->count + 0.5) != n_packets - 1)
272        ERROR("rc_twopass_stats_in missing EOS stats packet");
273    }
274  }
275
276#if !CONFIG_VP9_HIGHBITDEPTH
277  if (cfg->g_profile > (unsigned int)PROFILE_1)
278    ERROR("Profile > 1 not supported in this build configuration");
279#endif
280  if (cfg->g_profile <= (unsigned int)PROFILE_1 &&
281      extra_cfg->bit_depth > VPX_BITS_8)
282    ERROR("Codec high bit-depth not supported in profile < 2");
283  if (cfg->g_profile > (unsigned int)PROFILE_1 &&
284      extra_cfg->bit_depth == VPX_BITS_8)
285    ERROR("Codec bit-depth 8 not supported in profile > 1");
286
287  return VPX_CODEC_OK;
288}
289
290
291static vpx_codec_err_t validate_img(vpx_codec_alg_priv_t *ctx,
292                                    const vpx_image_t *img) {
293  switch (img->fmt) {
294    case VPX_IMG_FMT_YV12:
295    case VPX_IMG_FMT_I420:
296    case VPX_IMG_FMT_I422:
297    case VPX_IMG_FMT_I444:
298      break;
299    default:
300      ERROR("Invalid image format. Only YV12, I420, I422, I444 images are "
301            "supported.");
302      break;
303  }
304
305  if (img->d_w != ctx->cfg.g_w || img->d_h != ctx->cfg.g_h)
306    ERROR("Image size must match encoder init configuration size");
307
308  return VPX_CODEC_OK;
309}
310
311static int get_image_bps(const vpx_image_t *img) {
312  switch (img->fmt) {
313    case VPX_IMG_FMT_YV12:
314    case VPX_IMG_FMT_I420: return 12;
315    case VPX_IMG_FMT_I422: return 16;
316    case VPX_IMG_FMT_I444: return 24;
317    case VPX_IMG_FMT_I42016: return 24;
318    case VPX_IMG_FMT_I42216: return 32;
319    case VPX_IMG_FMT_I44416: return 48;
320    default: assert(0 && "Invalid image format"); break;
321  }
322  return 0;
323}
324
325static vpx_codec_err_t set_encoder_config(
326    VP9EncoderConfig *oxcf,
327    const vpx_codec_enc_cfg_t *cfg,
328    const struct vp9_extracfg *extra_cfg) {
329  const int is_vbr = cfg->rc_end_usage == VPX_VBR;
330  oxcf->profile = cfg->g_profile;
331  oxcf->width   = cfg->g_w;
332  oxcf->height  = cfg->g_h;
333  oxcf->bit_depth = extra_cfg->bit_depth;
334  oxcf->input_bit_depth = cfg->g_input_bit_depth;
335  // guess a frame rate if out of whack, use 30
336  oxcf->init_framerate = (double)cfg->g_timebase.den / cfg->g_timebase.num;
337  if (oxcf->init_framerate > 180)
338    oxcf->init_framerate = 30;
339
340  oxcf->mode = GOOD;
341
342  switch (cfg->g_pass) {
343    case VPX_RC_ONE_PASS:
344      oxcf->pass = 0;
345      break;
346    case VPX_RC_FIRST_PASS:
347      oxcf->pass = 1;
348      break;
349    case VPX_RC_LAST_PASS:
350      oxcf->pass = 2;
351      break;
352  }
353
354  oxcf->lag_in_frames = cfg->g_pass == VPX_RC_FIRST_PASS ? 0
355                                                         : cfg->g_lag_in_frames;
356  oxcf->rc_mode = cfg->rc_end_usage;
357
358  // Convert target bandwidth from Kbit/s to Bit/s
359  oxcf->target_bandwidth = 1000 * cfg->rc_target_bitrate;
360  oxcf->rc_max_intra_bitrate_pct = extra_cfg->rc_max_intra_bitrate_pct;
361
362  oxcf->best_allowed_q =
363      extra_cfg->lossless ? 0 : vp9_quantizer_to_qindex(cfg->rc_min_quantizer);
364  oxcf->worst_allowed_q =
365      extra_cfg->lossless ? 0 : vp9_quantizer_to_qindex(cfg->rc_max_quantizer);
366  oxcf->cq_level        = vp9_quantizer_to_qindex(extra_cfg->cq_level);
367  oxcf->fixed_q = -1;
368
369  oxcf->under_shoot_pct         = cfg->rc_undershoot_pct;
370  oxcf->over_shoot_pct          = cfg->rc_overshoot_pct;
371
372  oxcf->allow_spatial_resampling = cfg->rc_resize_allowed;
373  oxcf->scaled_frame_width       = cfg->rc_scaled_width;
374  oxcf->scaled_frame_height      = cfg->rc_scaled_height;
375
376  oxcf->maximum_buffer_size_ms   = is_vbr ? 240000 : cfg->rc_buf_sz;
377  oxcf->starting_buffer_level_ms = is_vbr ? 60000 : cfg->rc_buf_initial_sz;
378  oxcf->optimal_buffer_level_ms  = is_vbr ? 60000 : cfg->rc_buf_optimal_sz;
379
380  oxcf->drop_frames_water_mark   = cfg->rc_dropframe_thresh;
381
382  oxcf->two_pass_vbrbias         = cfg->rc_2pass_vbr_bias_pct;
383  oxcf->two_pass_vbrmin_section  = cfg->rc_2pass_vbr_minsection_pct;
384  oxcf->two_pass_vbrmax_section  = cfg->rc_2pass_vbr_maxsection_pct;
385
386  oxcf->auto_key               = cfg->kf_mode == VPX_KF_AUTO &&
387                                 cfg->kf_min_dist != cfg->kf_max_dist;
388
389  oxcf->key_freq               = cfg->kf_max_dist;
390
391  oxcf->speed                  =  abs(extra_cfg->cpu_used);
392  oxcf->encode_breakout        =  extra_cfg->static_thresh;
393  oxcf->play_alternate         =  extra_cfg->enable_auto_alt_ref;
394  oxcf->noise_sensitivity      =  extra_cfg->noise_sensitivity;
395  oxcf->sharpness              =  extra_cfg->sharpness;
396
397  oxcf->two_pass_stats_in      =  cfg->rc_twopass_stats_in;
398
399#if CONFIG_FP_MB_STATS
400  oxcf->firstpass_mb_stats_in  = cfg->rc_firstpass_mb_stats_in;
401#endif
402
403  oxcf->arnr_max_frames = extra_cfg->arnr_max_frames;
404  oxcf->arnr_strength   = extra_cfg->arnr_strength;
405
406  oxcf->tuning = extra_cfg->tuning;
407  oxcf->content = extra_cfg->content;
408
409  oxcf->tile_columns = extra_cfg->tile_columns;
410  oxcf->tile_rows    = extra_cfg->tile_rows;
411
412  oxcf->error_resilient_mode         = cfg->g_error_resilient;
413  oxcf->frame_parallel_decoding_mode = extra_cfg->frame_parallel_decoding_mode;
414
415  oxcf->aq_mode = extra_cfg->aq_mode;
416
417  oxcf->frame_periodic_boost =  extra_cfg->frame_periodic_boost;
418
419  oxcf->ss_number_layers = cfg->ss_number_layers;
420
421  if (oxcf->ss_number_layers > 1) {
422    int i;
423    for (i = 0; i < VPX_SS_MAX_LAYERS; ++i) {
424      oxcf->ss_target_bitrate[i] =  1000 * cfg->ss_target_bitrate[i];
425#if CONFIG_SPATIAL_SVC
426      oxcf->ss_play_alternate[i] =  cfg->ss_enable_auto_alt_ref[i];
427#endif
428    }
429  } else if (oxcf->ss_number_layers == 1) {
430    oxcf->ss_target_bitrate[0] = (int)oxcf->target_bandwidth;
431#if CONFIG_SPATIAL_SVC
432    oxcf->ss_play_alternate[0] = extra_cfg->enable_auto_alt_ref;
433#endif
434  }
435
436  oxcf->ts_number_layers = cfg->ts_number_layers;
437
438  if (oxcf->ts_number_layers > 1) {
439    int i;
440    for (i = 0; i < VPX_TS_MAX_LAYERS; ++i) {
441      oxcf->ts_target_bitrate[i] = 1000 * cfg->ts_target_bitrate[i];
442      oxcf->ts_rate_decimator[i] = cfg->ts_rate_decimator[i];
443    }
444  } else if (oxcf->ts_number_layers == 1) {
445    oxcf->ts_target_bitrate[0] = (int)oxcf->target_bandwidth;
446    oxcf->ts_rate_decimator[0] = 1;
447  }
448
449  /*
450  printf("Current VP9 Settings: \n");
451  printf("target_bandwidth: %d\n", oxcf->target_bandwidth);
452  printf("noise_sensitivity: %d\n", oxcf->noise_sensitivity);
453  printf("sharpness: %d\n",    oxcf->sharpness);
454  printf("cpu_used: %d\n",  oxcf->cpu_used);
455  printf("Mode: %d\n",     oxcf->mode);
456  printf("auto_key: %d\n",  oxcf->auto_key);
457  printf("key_freq: %d\n", oxcf->key_freq);
458  printf("end_usage: %d\n", oxcf->end_usage);
459  printf("under_shoot_pct: %d\n", oxcf->under_shoot_pct);
460  printf("over_shoot_pct: %d\n", oxcf->over_shoot_pct);
461  printf("starting_buffer_level: %d\n", oxcf->starting_buffer_level);
462  printf("optimal_buffer_level: %d\n",  oxcf->optimal_buffer_level);
463  printf("maximum_buffer_size: %d\n", oxcf->maximum_buffer_size);
464  printf("fixed_q: %d\n",  oxcf->fixed_q);
465  printf("worst_allowed_q: %d\n", oxcf->worst_allowed_q);
466  printf("best_allowed_q: %d\n", oxcf->best_allowed_q);
467  printf("allow_spatial_resampling: %d\n", oxcf->allow_spatial_resampling);
468  printf("scaled_frame_width: %d\n", oxcf->scaled_frame_width);
469  printf("scaled_frame_height: %d\n", oxcf->scaled_frame_height);
470  printf("two_pass_vbrbias: %d\n",  oxcf->two_pass_vbrbias);
471  printf("two_pass_vbrmin_section: %d\n", oxcf->two_pass_vbrmin_section);
472  printf("two_pass_vbrmax_section: %d\n", oxcf->two_pass_vbrmax_section);
473  printf("lag_in_frames: %d\n", oxcf->lag_in_frames);
474  printf("play_alternate: %d\n", oxcf->play_alternate);
475  printf("Version: %d\n", oxcf->Version);
476  printf("encode_breakout: %d\n", oxcf->encode_breakout);
477  printf("error resilient: %d\n", oxcf->error_resilient_mode);
478  printf("frame parallel detokenization: %d\n",
479         oxcf->frame_parallel_decoding_mode);
480  */
481  return VPX_CODEC_OK;
482}
483
484static vpx_codec_err_t encoder_set_config(vpx_codec_alg_priv_t *ctx,
485                                          const vpx_codec_enc_cfg_t  *cfg) {
486  vpx_codec_err_t res;
487
488  if (cfg->g_w != ctx->cfg.g_w || cfg->g_h != ctx->cfg.g_h)
489    ERROR("Cannot change width or height after initialization");
490
491  // Prevent increasing lag_in_frames. This check is stricter than it needs
492  // to be -- the limit is not increasing past the first lag_in_frames
493  // value, but we don't track the initial config, only the last successful
494  // config.
495  if (cfg->g_lag_in_frames > ctx->cfg.g_lag_in_frames)
496    ERROR("Cannot increase lag_in_frames");
497
498  res = validate_config(ctx, cfg, &ctx->extra_cfg);
499
500  if (res == VPX_CODEC_OK) {
501    ctx->cfg = *cfg;
502    set_encoder_config(&ctx->oxcf, &ctx->cfg, &ctx->extra_cfg);
503    vp9_change_config(ctx->cpi, &ctx->oxcf);
504  }
505
506  return res;
507}
508
509static vpx_codec_err_t ctrl_get_quantizer(vpx_codec_alg_priv_t *ctx,
510                                          va_list args) {
511  int *const arg = va_arg(args, int *);
512  if (arg == NULL)
513    return VPX_CODEC_INVALID_PARAM;
514  *arg = vp9_get_quantizer(ctx->cpi);
515  return VPX_CODEC_OK;
516}
517
518static vpx_codec_err_t ctrl_get_quantizer64(vpx_codec_alg_priv_t *ctx,
519                                            va_list args) {
520  int *const arg = va_arg(args, int *);
521  if (arg == NULL)
522    return VPX_CODEC_INVALID_PARAM;
523  *arg = vp9_qindex_to_quantizer(vp9_get_quantizer(ctx->cpi));
524  return VPX_CODEC_OK;
525}
526
527static vpx_codec_err_t update_extra_cfg(vpx_codec_alg_priv_t *ctx,
528                                        const struct vp9_extracfg *extra_cfg) {
529  const vpx_codec_err_t res = validate_config(ctx, &ctx->cfg, extra_cfg);
530  if (res == VPX_CODEC_OK) {
531    ctx->extra_cfg = *extra_cfg;
532    set_encoder_config(&ctx->oxcf, &ctx->cfg, &ctx->extra_cfg);
533    vp9_change_config(ctx->cpi, &ctx->oxcf);
534  }
535  return res;
536}
537
538static vpx_codec_err_t ctrl_set_cpuused(vpx_codec_alg_priv_t *ctx,
539                                        va_list args) {
540  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
541  extra_cfg.cpu_used = CAST(VP8E_SET_CPUUSED, args);
542  return update_extra_cfg(ctx, &extra_cfg);
543}
544
545static vpx_codec_err_t ctrl_set_enable_auto_alt_ref(vpx_codec_alg_priv_t *ctx,
546                                                    va_list args) {
547  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
548  extra_cfg.enable_auto_alt_ref = CAST(VP8E_SET_ENABLEAUTOALTREF, args);
549  return update_extra_cfg(ctx, &extra_cfg);
550}
551
552static vpx_codec_err_t ctrl_set_noise_sensitivity(vpx_codec_alg_priv_t *ctx,
553                                                  va_list args) {
554  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
555  extra_cfg.noise_sensitivity = CAST(VP9E_SET_NOISE_SENSITIVITY, args);
556  return update_extra_cfg(ctx, &extra_cfg);
557}
558
559static vpx_codec_err_t ctrl_set_sharpness(vpx_codec_alg_priv_t *ctx,
560                                          va_list args) {
561  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
562  extra_cfg.sharpness = CAST(VP8E_SET_SHARPNESS, args);
563  return update_extra_cfg(ctx, &extra_cfg);
564}
565
566static vpx_codec_err_t ctrl_set_static_thresh(vpx_codec_alg_priv_t *ctx,
567                                              va_list args) {
568  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
569  extra_cfg.static_thresh = CAST(VP8E_SET_STATIC_THRESHOLD, args);
570  return update_extra_cfg(ctx, &extra_cfg);
571}
572
573static vpx_codec_err_t ctrl_set_tile_columns(vpx_codec_alg_priv_t *ctx,
574                                             va_list args) {
575  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
576  extra_cfg.tile_columns = CAST(VP9E_SET_TILE_COLUMNS, args);
577  return update_extra_cfg(ctx, &extra_cfg);
578}
579
580static vpx_codec_err_t ctrl_set_tile_rows(vpx_codec_alg_priv_t *ctx,
581                                          va_list args) {
582  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
583  extra_cfg.tile_rows = CAST(VP9E_SET_TILE_ROWS, args);
584  return update_extra_cfg(ctx, &extra_cfg);
585}
586
587static vpx_codec_err_t ctrl_set_arnr_max_frames(vpx_codec_alg_priv_t *ctx,
588                                                va_list args) {
589  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
590  extra_cfg.arnr_max_frames = CAST(VP8E_SET_ARNR_MAXFRAMES, args);
591  return update_extra_cfg(ctx, &extra_cfg);
592}
593
594static vpx_codec_err_t ctrl_set_arnr_strength(vpx_codec_alg_priv_t *ctx,
595                                              va_list args) {
596  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
597  extra_cfg.arnr_strength = CAST(VP8E_SET_ARNR_STRENGTH, args);
598  return update_extra_cfg(ctx, &extra_cfg);
599}
600
601static vpx_codec_err_t ctrl_set_arnr_type(vpx_codec_alg_priv_t *ctx,
602                                          va_list args) {
603  (void)ctx;
604  (void)args;
605  return VPX_CODEC_OK;
606}
607
608static vpx_codec_err_t ctrl_set_tuning(vpx_codec_alg_priv_t *ctx,
609                                       va_list args) {
610  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
611  extra_cfg.tuning = CAST(VP8E_SET_TUNING, args);
612  return update_extra_cfg(ctx, &extra_cfg);
613}
614
615static vpx_codec_err_t ctrl_set_cq_level(vpx_codec_alg_priv_t *ctx,
616                                         va_list args) {
617  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
618  extra_cfg.cq_level = CAST(VP8E_SET_CQ_LEVEL, args);
619  return update_extra_cfg(ctx, &extra_cfg);
620}
621
622static vpx_codec_err_t ctrl_set_rc_max_intra_bitrate_pct(
623    vpx_codec_alg_priv_t *ctx, va_list args) {
624  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
625  extra_cfg.rc_max_intra_bitrate_pct =
626      CAST(VP8E_SET_MAX_INTRA_BITRATE_PCT, args);
627  return update_extra_cfg(ctx, &extra_cfg);
628}
629
630static vpx_codec_err_t ctrl_set_lossless(vpx_codec_alg_priv_t *ctx,
631                                         va_list args) {
632  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
633  extra_cfg.lossless = CAST(VP9E_SET_LOSSLESS, args);
634  return update_extra_cfg(ctx, &extra_cfg);
635}
636
637static vpx_codec_err_t ctrl_set_frame_parallel_decoding_mode(
638    vpx_codec_alg_priv_t *ctx, va_list args) {
639  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
640  extra_cfg.frame_parallel_decoding_mode =
641      CAST(VP9E_SET_FRAME_PARALLEL_DECODING, args);
642  return update_extra_cfg(ctx, &extra_cfg);
643}
644
645static vpx_codec_err_t ctrl_set_aq_mode(vpx_codec_alg_priv_t *ctx,
646                                        va_list args) {
647  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
648  extra_cfg.aq_mode = CAST(VP9E_SET_AQ_MODE, args);
649  return update_extra_cfg(ctx, &extra_cfg);
650}
651
652static vpx_codec_err_t ctrl_set_frame_periodic_boost(vpx_codec_alg_priv_t *ctx,
653                                                     va_list args) {
654  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
655  extra_cfg.frame_periodic_boost = CAST(VP9E_SET_FRAME_PERIODIC_BOOST, args);
656  return update_extra_cfg(ctx, &extra_cfg);
657}
658
659static vpx_codec_err_t encoder_init(vpx_codec_ctx_t *ctx,
660                                    vpx_codec_priv_enc_mr_cfg_t *data) {
661  vpx_codec_err_t res = VPX_CODEC_OK;
662  (void)data;
663
664  if (ctx->priv == NULL) {
665    vpx_codec_alg_priv_t *const priv = vpx_calloc(1, sizeof(*priv));
666    if (priv == NULL)
667      return VPX_CODEC_MEM_ERROR;
668
669    ctx->priv = (vpx_codec_priv_t *)priv;
670    ctx->priv->init_flags = ctx->init_flags;
671    ctx->priv->enc.total_encoders = 1;
672
673    if (ctx->config.enc) {
674      // Update the reference to the config structure to an internal copy.
675      priv->cfg = *ctx->config.enc;
676      ctx->config.enc = &priv->cfg;
677    }
678
679    priv->extra_cfg = default_extra_cfg;
680    vp9_initialize_enc();
681
682    res = validate_config(priv, &priv->cfg, &priv->extra_cfg);
683
684    if (res == VPX_CODEC_OK) {
685      set_encoder_config(&priv->oxcf, &priv->cfg, &priv->extra_cfg);
686#if CONFIG_VP9_HIGHBITDEPTH
687      priv->oxcf.use_highbitdepth =
688          (ctx->init_flags & VPX_CODEC_USE_HIGHBITDEPTH) ? 1 : 0;
689#endif
690      priv->cpi = vp9_create_compressor(&priv->oxcf);
691      if (priv->cpi == NULL)
692        res = VPX_CODEC_MEM_ERROR;
693      else
694        priv->cpi->output_pkt_list = &priv->pkt_list.head;
695    }
696  }
697
698  return res;
699}
700
701static vpx_codec_err_t encoder_destroy(vpx_codec_alg_priv_t *ctx) {
702  free(ctx->cx_data);
703  vp9_remove_compressor(ctx->cpi);
704  vpx_free(ctx);
705  return VPX_CODEC_OK;
706}
707
708static void pick_quickcompress_mode(vpx_codec_alg_priv_t *ctx,
709                                    unsigned long duration,
710                                    unsigned long deadline) {
711  MODE new_mode = BEST;
712
713  switch (ctx->cfg.g_pass) {
714    case VPX_RC_ONE_PASS:
715      if (deadline > 0) {
716        const vpx_codec_enc_cfg_t *const cfg = &ctx->cfg;
717
718        // Convert duration parameter from stream timebase to microseconds.
719        const uint64_t duration_us = (uint64_t)duration * 1000000 *
720           (uint64_t)cfg->g_timebase.num /(uint64_t)cfg->g_timebase.den;
721
722        // If the deadline is more that the duration this frame is to be shown,
723        // use good quality mode. Otherwise use realtime mode.
724        new_mode = (deadline > duration_us) ? GOOD : REALTIME;
725      } else {
726        new_mode = BEST;
727      }
728      break;
729    case VPX_RC_FIRST_PASS:
730      break;
731    case VPX_RC_LAST_PASS:
732      new_mode = deadline > 0 ? GOOD : BEST;
733      break;
734  }
735
736  if (ctx->oxcf.mode != new_mode) {
737    ctx->oxcf.mode = new_mode;
738    vp9_change_config(ctx->cpi, &ctx->oxcf);
739  }
740}
741
742// Turn on to test if supplemental superframe data breaks decoding
743// #define TEST_SUPPLEMENTAL_SUPERFRAME_DATA
744static int write_superframe_index(vpx_codec_alg_priv_t *ctx) {
745  uint8_t marker = 0xc0;
746  unsigned int mask;
747  int mag, index_sz;
748
749  assert(ctx->pending_frame_count);
750  assert(ctx->pending_frame_count <= 8);
751
752  // Add the number of frames to the marker byte
753  marker |= ctx->pending_frame_count - 1;
754
755  // Choose the magnitude
756  for (mag = 0, mask = 0xff; mag < 4; mag++) {
757    if (ctx->pending_frame_magnitude < mask)
758      break;
759    mask <<= 8;
760    mask |= 0xff;
761  }
762  marker |= mag << 3;
763
764  // Write the index
765  index_sz = 2 + (mag + 1) * ctx->pending_frame_count;
766  if (ctx->pending_cx_data_sz + index_sz < ctx->cx_data_sz) {
767    uint8_t *x = ctx->pending_cx_data + ctx->pending_cx_data_sz;
768    int i, j;
769#ifdef TEST_SUPPLEMENTAL_SUPERFRAME_DATA
770    uint8_t marker_test = 0xc0;
771    int mag_test = 2;     // 1 - 4
772    int frames_test = 4;  // 1 - 8
773    int index_sz_test = 2 + mag_test * frames_test;
774    marker_test |= frames_test - 1;
775    marker_test |= (mag_test - 1) << 3;
776    *x++ = marker_test;
777    for (i = 0; i < mag_test * frames_test; ++i)
778      *x++ = 0;  // fill up with arbitrary data
779    *x++ = marker_test;
780    ctx->pending_cx_data_sz += index_sz_test;
781    printf("Added supplemental superframe data\n");
782#endif
783
784    *x++ = marker;
785    for (i = 0; i < ctx->pending_frame_count; i++) {
786      unsigned int this_sz = (unsigned int)ctx->pending_frame_sizes[i];
787
788      for (j = 0; j <= mag; j++) {
789        *x++ = this_sz & 0xff;
790        this_sz >>= 8;
791      }
792    }
793    *x++ = marker;
794    ctx->pending_cx_data_sz += index_sz;
795#ifdef TEST_SUPPLEMENTAL_SUPERFRAME_DATA
796    index_sz += index_sz_test;
797#endif
798  }
799  return index_sz;
800}
801
802// vp9 uses 10,000,000 ticks/second as time stamp
803#define TICKS_PER_SEC 10000000LL
804
805static int64_t timebase_units_to_ticks(const vpx_rational_t *timebase,
806                                       int64_t n) {
807  return n * TICKS_PER_SEC * timebase->num / timebase->den;
808}
809
810static int64_t ticks_to_timebase_units(const vpx_rational_t *timebase,
811                                       int64_t n) {
812  const int64_t round = TICKS_PER_SEC * timebase->num / 2 - 1;
813  return (n * timebase->den + round) / timebase->num / TICKS_PER_SEC;
814}
815
816static vpx_codec_frame_flags_t get_frame_pkt_flags(const VP9_COMP *cpi,
817                                                   unsigned int lib_flags) {
818  vpx_codec_frame_flags_t flags = lib_flags << 16;
819
820  if (lib_flags & FRAMEFLAGS_KEY
821#if CONFIG_SPATIAL_SVC
822      || (is_two_pass_svc(cpi) && cpi->svc.layer_context[0].is_key_frame)
823#endif
824        )
825    flags |= VPX_FRAME_IS_KEY;
826
827  if (cpi->droppable)
828    flags |= VPX_FRAME_IS_DROPPABLE;
829
830  return flags;
831}
832
833static vpx_codec_err_t encoder_encode(vpx_codec_alg_priv_t  *ctx,
834                                      const vpx_image_t *img,
835                                      vpx_codec_pts_t pts,
836                                      unsigned long duration,
837                                      vpx_enc_frame_flags_t flags,
838                                      unsigned long deadline) {
839  vpx_codec_err_t res = VPX_CODEC_OK;
840  VP9_COMP *const cpi = ctx->cpi;
841  const vpx_rational_t *const timebase = &ctx->cfg.g_timebase;
842
843  if (img != NULL) {
844    res = validate_img(ctx, img);
845    // TODO(jzern) the checks related to cpi's validity should be treated as a
846    // failure condition, encoder setup is done fully in init() currently.
847    if (res == VPX_CODEC_OK && cpi != NULL && ctx->cx_data == NULL) {
848      // There's no codec control for multiple alt-refs so check the encoder
849      // instance for its status to determine the compressed data size.
850      ctx->cx_data_sz = ctx->cfg.g_w * ctx->cfg.g_h *
851                        get_image_bps(img) / 8 *
852                        (cpi->multi_arf_allowed ? 8 : 2);
853      if (ctx->cx_data_sz < 4096) ctx->cx_data_sz = 4096;
854
855      ctx->cx_data = (unsigned char *)malloc(ctx->cx_data_sz);
856      if (ctx->cx_data == NULL) {
857        return VPX_CODEC_MEM_ERROR;
858      }
859    }
860  }
861
862  pick_quickcompress_mode(ctx, duration, deadline);
863  vpx_codec_pkt_list_init(&ctx->pkt_list);
864
865  // Handle Flags
866  if (((flags & VP8_EFLAG_NO_UPD_GF) && (flags & VP8_EFLAG_FORCE_GF)) ||
867       ((flags & VP8_EFLAG_NO_UPD_ARF) && (flags & VP8_EFLAG_FORCE_ARF))) {
868    ctx->base.err_detail = "Conflicting flags.";
869    return VPX_CODEC_INVALID_PARAM;
870  }
871
872  vp9_apply_encoding_flags(cpi, flags);
873
874  // Handle fixed keyframe intervals
875  if (ctx->cfg.kf_mode == VPX_KF_AUTO &&
876      ctx->cfg.kf_min_dist == ctx->cfg.kf_max_dist) {
877    if (++ctx->fixed_kf_cntr > ctx->cfg.kf_min_dist) {
878      flags |= VPX_EFLAG_FORCE_KF;
879      ctx->fixed_kf_cntr = 1;
880    }
881  }
882
883  // Initialize the encoder instance on the first frame.
884  if (res == VPX_CODEC_OK && cpi != NULL) {
885    unsigned int lib_flags = 0;
886    YV12_BUFFER_CONFIG sd;
887    int64_t dst_time_stamp = timebase_units_to_ticks(timebase, pts);
888    int64_t dst_end_time_stamp =
889        timebase_units_to_ticks(timebase, pts + duration);
890    size_t size, cx_data_sz;
891    unsigned char *cx_data;
892
893    // Set up internal flags
894    if (ctx->base.init_flags & VPX_CODEC_USE_PSNR)
895      cpi->b_calculate_psnr = 1;
896
897    if (img != NULL) {
898      res = image2yuvconfig(img, &sd);
899
900      // Store the original flags in to the frame buffer. Will extract the
901      // key frame flag when we actually encode this frame.
902      if (vp9_receive_raw_frame(cpi, flags,
903                                &sd, dst_time_stamp, dst_end_time_stamp)) {
904        res = update_error_state(ctx, &cpi->common.error);
905      }
906    }
907
908    cx_data = ctx->cx_data;
909    cx_data_sz = ctx->cx_data_sz;
910
911    /* Any pending invisible frames? */
912    if (ctx->pending_cx_data) {
913      memmove(cx_data, ctx->pending_cx_data, ctx->pending_cx_data_sz);
914      ctx->pending_cx_data = cx_data;
915      cx_data += ctx->pending_cx_data_sz;
916      cx_data_sz -= ctx->pending_cx_data_sz;
917
918      /* TODO: this is a minimal check, the underlying codec doesn't respect
919       * the buffer size anyway.
920       */
921      if (cx_data_sz < ctx->cx_data_sz / 2) {
922        ctx->base.err_detail = "Compressed data buffer too small";
923        return VPX_CODEC_ERROR;
924      }
925    }
926
927    while (cx_data_sz >= ctx->cx_data_sz / 2 &&
928           -1 != vp9_get_compressed_data(cpi, &lib_flags, &size,
929                                         cx_data, &dst_time_stamp,
930                                         &dst_end_time_stamp, !img)) {
931      if (size) {
932        vpx_codec_cx_pkt_t pkt;
933
934#if CONFIG_SPATIAL_SVC
935        if (is_two_pass_svc(cpi))
936          cpi->svc.layer_context[cpi->svc.spatial_layer_id].layer_size += size;
937#endif
938
939        // Pack invisible frames with the next visible frame
940        if (!cpi->common.show_frame
941#if CONFIG_SPATIAL_SVC
942            || (is_two_pass_svc(cpi) &&
943                cpi->svc.spatial_layer_id < cpi->svc.number_spatial_layers - 1)
944#endif
945            ) {
946          if (ctx->pending_cx_data == 0)
947            ctx->pending_cx_data = cx_data;
948          ctx->pending_cx_data_sz += size;
949          ctx->pending_frame_sizes[ctx->pending_frame_count++] = size;
950          ctx->pending_frame_magnitude |= size;
951          cx_data += size;
952          cx_data_sz -= size;
953          continue;
954        }
955
956        // Add the frame packet to the list of returned packets.
957        pkt.kind = VPX_CODEC_CX_FRAME_PKT;
958        pkt.data.frame.pts = ticks_to_timebase_units(timebase, dst_time_stamp);
959        pkt.data.frame.duration =
960           (unsigned long)ticks_to_timebase_units(timebase,
961               dst_end_time_stamp - dst_time_stamp);
962        pkt.data.frame.flags = get_frame_pkt_flags(cpi, lib_flags);
963
964        if (ctx->pending_cx_data) {
965          ctx->pending_frame_sizes[ctx->pending_frame_count++] = size;
966          ctx->pending_frame_magnitude |= size;
967          ctx->pending_cx_data_sz += size;
968          size += write_superframe_index(ctx);
969          pkt.data.frame.buf = ctx->pending_cx_data;
970          pkt.data.frame.sz  = ctx->pending_cx_data_sz;
971          ctx->pending_cx_data = NULL;
972          ctx->pending_cx_data_sz = 0;
973          ctx->pending_frame_count = 0;
974          ctx->pending_frame_magnitude = 0;
975        } else {
976          pkt.data.frame.buf = cx_data;
977          pkt.data.frame.sz  = size;
978        }
979        pkt.data.frame.partition_id = -1;
980        vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
981        cx_data += size;
982        cx_data_sz -= size;
983#if CONFIG_SPATIAL_SVC
984        if (is_two_pass_svc(cpi)) {
985          vpx_codec_cx_pkt_t pkt_sizes, pkt_psnr;
986          int i;
987          vp9_zero(pkt_sizes);
988          vp9_zero(pkt_psnr);
989          pkt_sizes.kind = VPX_CODEC_SPATIAL_SVC_LAYER_SIZES;
990          pkt_psnr.kind = VPX_CODEC_SPATIAL_SVC_LAYER_PSNR;
991          for (i = 0; i < cpi->svc.number_spatial_layers; ++i) {
992            LAYER_CONTEXT *lc = &cpi->svc.layer_context[i];
993            pkt_sizes.data.layer_sizes[i] = lc->layer_size;
994            pkt_psnr.data.layer_psnr[i] = lc->psnr_pkt;
995            lc->layer_size = 0;
996          }
997          vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt_sizes);
998          vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt_psnr);
999        }
1000#endif
1001      }
1002    }
1003  }
1004
1005  return res;
1006}
1007
1008static const vpx_codec_cx_pkt_t *encoder_get_cxdata(vpx_codec_alg_priv_t *ctx,
1009                                                    vpx_codec_iter_t *iter) {
1010  return vpx_codec_pkt_list_get(&ctx->pkt_list.head, iter);
1011}
1012
1013static vpx_codec_err_t ctrl_set_reference(vpx_codec_alg_priv_t *ctx,
1014                                          va_list args) {
1015  vpx_ref_frame_t *const frame = va_arg(args, vpx_ref_frame_t *);
1016
1017  if (frame != NULL) {
1018    YV12_BUFFER_CONFIG sd;
1019
1020    image2yuvconfig(&frame->img, &sd);
1021    vp9_set_reference_enc(ctx->cpi, ref_frame_to_vp9_reframe(frame->frame_type),
1022                          &sd);
1023    return VPX_CODEC_OK;
1024  } else {
1025    return VPX_CODEC_INVALID_PARAM;
1026  }
1027}
1028
1029static vpx_codec_err_t ctrl_copy_reference(vpx_codec_alg_priv_t *ctx,
1030                                           va_list args) {
1031  vpx_ref_frame_t *const frame = va_arg(args, vpx_ref_frame_t *);
1032
1033  if (frame != NULL) {
1034    YV12_BUFFER_CONFIG sd;
1035
1036    image2yuvconfig(&frame->img, &sd);
1037    vp9_copy_reference_enc(ctx->cpi,
1038                           ref_frame_to_vp9_reframe(frame->frame_type), &sd);
1039    return VPX_CODEC_OK;
1040  } else {
1041    return VPX_CODEC_INVALID_PARAM;
1042  }
1043}
1044
1045static vpx_codec_err_t ctrl_get_reference(vpx_codec_alg_priv_t *ctx,
1046                                          va_list args) {
1047  vp9_ref_frame_t *const frame = va_arg(args, vp9_ref_frame_t *);
1048
1049  if (frame != NULL) {
1050    YV12_BUFFER_CONFIG *fb = get_ref_frame(&ctx->cpi->common, frame->idx);
1051    if (fb == NULL) return VPX_CODEC_ERROR;
1052
1053    yuvconfig2image(&frame->img, fb, NULL);
1054    return VPX_CODEC_OK;
1055  } else {
1056    return VPX_CODEC_INVALID_PARAM;
1057  }
1058}
1059
1060static vpx_codec_err_t ctrl_set_previewpp(vpx_codec_alg_priv_t *ctx,
1061                                          va_list args) {
1062#if CONFIG_VP9_POSTPROC
1063  vp8_postproc_cfg_t *config = va_arg(args, vp8_postproc_cfg_t *);
1064  if (config != NULL) {
1065    ctx->preview_ppcfg = *config;
1066    return VPX_CODEC_OK;
1067  } else {
1068    return VPX_CODEC_INVALID_PARAM;
1069  }
1070#else
1071  (void)ctx;
1072  (void)args;
1073  return VPX_CODEC_INCAPABLE;
1074#endif
1075}
1076
1077
1078static vpx_image_t *encoder_get_preview(vpx_codec_alg_priv_t *ctx) {
1079  YV12_BUFFER_CONFIG sd;
1080  vp9_ppflags_t flags;
1081  vp9_zero(flags);
1082
1083  if (ctx->preview_ppcfg.post_proc_flag) {
1084    flags.post_proc_flag   = ctx->preview_ppcfg.post_proc_flag;
1085    flags.deblocking_level = ctx->preview_ppcfg.deblocking_level;
1086    flags.noise_level      = ctx->preview_ppcfg.noise_level;
1087  }
1088
1089  if (vp9_get_preview_raw_frame(ctx->cpi, &sd, &flags) == 0) {
1090    yuvconfig2image(&ctx->preview_img, &sd, NULL);
1091    return &ctx->preview_img;
1092  } else {
1093    return NULL;
1094  }
1095}
1096
1097static vpx_codec_err_t ctrl_update_entropy(vpx_codec_alg_priv_t *ctx,
1098                                           va_list args) {
1099  const int update = va_arg(args, int);
1100
1101  vp9_update_entropy(ctx->cpi, update);
1102  return VPX_CODEC_OK;
1103}
1104
1105static vpx_codec_err_t ctrl_update_reference(vpx_codec_alg_priv_t *ctx,
1106                                             va_list args) {
1107  const int ref_frame_flags = va_arg(args, int);
1108
1109  vp9_update_reference(ctx->cpi, ref_frame_flags);
1110  return VPX_CODEC_OK;
1111}
1112
1113static vpx_codec_err_t ctrl_use_reference(vpx_codec_alg_priv_t *ctx,
1114                                          va_list args) {
1115  const int reference_flag = va_arg(args, int);
1116
1117  vp9_use_as_reference(ctx->cpi, reference_flag);
1118  return VPX_CODEC_OK;
1119}
1120
1121static vpx_codec_err_t ctrl_set_roi_map(vpx_codec_alg_priv_t *ctx,
1122                                        va_list args) {
1123  (void)ctx;
1124  (void)args;
1125
1126  // TODO(yaowu): Need to re-implement and test for VP9.
1127  return VPX_CODEC_INVALID_PARAM;
1128}
1129
1130
1131static vpx_codec_err_t ctrl_set_active_map(vpx_codec_alg_priv_t *ctx,
1132                                           va_list args) {
1133  vpx_active_map_t *const map = va_arg(args, vpx_active_map_t *);
1134
1135  if (map) {
1136    if (!vp9_set_active_map(ctx->cpi, map->active_map,
1137                            (int)map->rows, (int)map->cols))
1138      return VPX_CODEC_OK;
1139    else
1140      return VPX_CODEC_INVALID_PARAM;
1141  } else {
1142    return VPX_CODEC_INVALID_PARAM;
1143  }
1144}
1145
1146static vpx_codec_err_t ctrl_set_scale_mode(vpx_codec_alg_priv_t *ctx,
1147                                           va_list args) {
1148  vpx_scaling_mode_t *const mode = va_arg(args, vpx_scaling_mode_t *);
1149
1150  if (mode) {
1151    const int res = vp9_set_internal_size(ctx->cpi,
1152                                          (VPX_SCALING)mode->h_scaling_mode,
1153                                          (VPX_SCALING)mode->v_scaling_mode);
1154    return (res == 0) ? VPX_CODEC_OK : VPX_CODEC_INVALID_PARAM;
1155  } else {
1156    return VPX_CODEC_INVALID_PARAM;
1157  }
1158}
1159
1160static vpx_codec_err_t ctrl_set_svc(vpx_codec_alg_priv_t *ctx, va_list args) {
1161  int data = va_arg(args, int);
1162  const vpx_codec_enc_cfg_t *cfg = &ctx->cfg;
1163
1164  vp9_set_svc(ctx->cpi, data);
1165  // CBR or two pass mode for SVC with both temporal and spatial layers
1166  // not yet supported.
1167  if (data == 1 &&
1168      (cfg->rc_end_usage == VPX_CBR ||
1169       cfg->g_pass == VPX_RC_FIRST_PASS ||
1170       cfg->g_pass == VPX_RC_LAST_PASS) &&
1171      cfg->ss_number_layers > 1 &&
1172      cfg->ts_number_layers > 1) {
1173    return VPX_CODEC_INVALID_PARAM;
1174  }
1175  return VPX_CODEC_OK;
1176}
1177
1178static vpx_codec_err_t ctrl_set_svc_layer_id(vpx_codec_alg_priv_t *ctx,
1179                                             va_list args) {
1180  vpx_svc_layer_id_t *const data = va_arg(args, vpx_svc_layer_id_t *);
1181  VP9_COMP *const cpi = (VP9_COMP *)ctx->cpi;
1182  SVC *const svc = &cpi->svc;
1183
1184  svc->spatial_layer_id = data->spatial_layer_id;
1185  svc->temporal_layer_id = data->temporal_layer_id;
1186  // Checks on valid layer_id input.
1187  if (svc->temporal_layer_id < 0 ||
1188      svc->temporal_layer_id >= (int)ctx->cfg.ts_number_layers) {
1189    return VPX_CODEC_INVALID_PARAM;
1190  }
1191  if (svc->spatial_layer_id < 0 ||
1192      svc->spatial_layer_id >= (int)ctx->cfg.ss_number_layers) {
1193    return VPX_CODEC_INVALID_PARAM;
1194  }
1195  return VPX_CODEC_OK;
1196}
1197
1198static vpx_codec_err_t ctrl_set_svc_parameters(vpx_codec_alg_priv_t *ctx,
1199                                               va_list args) {
1200  VP9_COMP *const cpi = ctx->cpi;
1201  vpx_svc_extra_cfg_t *const params = va_arg(args, vpx_svc_extra_cfg_t *);
1202  int i;
1203
1204  for (i = 0; i < cpi->svc.number_spatial_layers; ++i) {
1205    LAYER_CONTEXT *lc = &cpi->svc.layer_context[i];
1206
1207    lc->max_q = params->max_quantizers[i];
1208    lc->min_q = params->min_quantizers[i];
1209    lc->scaling_factor_num = params->scaling_factor_num[i];
1210    lc->scaling_factor_den = params->scaling_factor_den[i];
1211  }
1212
1213  return VPX_CODEC_OK;
1214}
1215
1216static vpx_codec_err_t ctrl_set_tune_content(vpx_codec_alg_priv_t *ctx,
1217                                             va_list args) {
1218  struct vp9_extracfg extra_cfg = ctx->extra_cfg;
1219  extra_cfg.content = CAST(VP9E_SET_TUNE_CONTENT, args);
1220  return update_extra_cfg(ctx, &extra_cfg);
1221}
1222
1223static vpx_codec_ctrl_fn_map_t encoder_ctrl_maps[] = {
1224  {VP8_COPY_REFERENCE,                ctrl_copy_reference},
1225  {VP8E_UPD_ENTROPY,                  ctrl_update_entropy},
1226  {VP8E_UPD_REFERENCE,                ctrl_update_reference},
1227  {VP8E_USE_REFERENCE,                ctrl_use_reference},
1228
1229  // Setters
1230  {VP8_SET_REFERENCE,                 ctrl_set_reference},
1231  {VP8_SET_POSTPROC,                  ctrl_set_previewpp},
1232  {VP8E_SET_ROI_MAP,                  ctrl_set_roi_map},
1233  {VP8E_SET_ACTIVEMAP,                ctrl_set_active_map},
1234  {VP8E_SET_SCALEMODE,                ctrl_set_scale_mode},
1235  {VP8E_SET_CPUUSED,                  ctrl_set_cpuused},
1236  {VP8E_SET_ENABLEAUTOALTREF,         ctrl_set_enable_auto_alt_ref},
1237  {VP8E_SET_SHARPNESS,                ctrl_set_sharpness},
1238  {VP8E_SET_STATIC_THRESHOLD,         ctrl_set_static_thresh},
1239  {VP9E_SET_TILE_COLUMNS,             ctrl_set_tile_columns},
1240  {VP9E_SET_TILE_ROWS,                ctrl_set_tile_rows},
1241  {VP8E_SET_ARNR_MAXFRAMES,           ctrl_set_arnr_max_frames},
1242  {VP8E_SET_ARNR_STRENGTH,            ctrl_set_arnr_strength},
1243  {VP8E_SET_ARNR_TYPE,                ctrl_set_arnr_type},
1244  {VP8E_SET_TUNING,                   ctrl_set_tuning},
1245  {VP8E_SET_CQ_LEVEL,                 ctrl_set_cq_level},
1246  {VP8E_SET_MAX_INTRA_BITRATE_PCT,    ctrl_set_rc_max_intra_bitrate_pct},
1247  {VP9E_SET_LOSSLESS,                 ctrl_set_lossless},
1248  {VP9E_SET_FRAME_PARALLEL_DECODING,  ctrl_set_frame_parallel_decoding_mode},
1249  {VP9E_SET_AQ_MODE,                  ctrl_set_aq_mode},
1250  {VP9E_SET_FRAME_PERIODIC_BOOST,     ctrl_set_frame_periodic_boost},
1251  {VP9E_SET_SVC,                      ctrl_set_svc},
1252  {VP9E_SET_SVC_PARAMETERS,           ctrl_set_svc_parameters},
1253  {VP9E_SET_SVC_LAYER_ID,             ctrl_set_svc_layer_id},
1254  {VP9E_SET_TUNE_CONTENT,             ctrl_set_tune_content},
1255  {VP9E_SET_NOISE_SENSITIVITY,        ctrl_set_noise_sensitivity},
1256
1257  // Getters
1258  {VP8E_GET_LAST_QUANTIZER,           ctrl_get_quantizer},
1259  {VP8E_GET_LAST_QUANTIZER_64,        ctrl_get_quantizer64},
1260  {VP9_GET_REFERENCE,                 ctrl_get_reference},
1261
1262  { -1, NULL},
1263};
1264
1265static vpx_codec_enc_cfg_map_t encoder_usage_cfg_map[] = {
1266  {
1267    0,
1268    {  // NOLINT
1269      0,                  // g_usage
1270      0,                  // g_threads
1271      0,                  // g_profile
1272
1273      320,                // g_width
1274      240,                // g_height
1275      VPX_BITS_8,         // g_bit_depth
1276      8,                  // g_input_bit_depth
1277
1278      {1, 30},            // g_timebase
1279
1280      0,                  // g_error_resilient
1281
1282      VPX_RC_ONE_PASS,    // g_pass
1283
1284      25,                 // g_lag_in_frames
1285
1286      0,                  // rc_dropframe_thresh
1287      0,                  // rc_resize_allowed
1288      1,                  // rc_scaled_width
1289      1,                  // rc_scaled_height
1290      60,                 // rc_resize_down_thresold
1291      30,                 // rc_resize_up_thresold
1292
1293      VPX_VBR,            // rc_end_usage
1294#if VPX_ENCODER_ABI_VERSION > (1 + VPX_CODEC_ABI_VERSION)
1295      {NULL, 0},          // rc_twopass_stats_in
1296      {NULL, 0},          // rc_firstpass_mb_stats_in
1297#endif
1298      256,                // rc_target_bandwidth
1299      0,                  // rc_min_quantizer
1300      63,                 // rc_max_quantizer
1301      100,                // rc_undershoot_pct
1302      100,                // rc_overshoot_pct
1303
1304      6000,               // rc_max_buffer_size
1305      4000,               // rc_buffer_initial_size
1306      5000,               // rc_buffer_optimal_size
1307
1308      50,                 // rc_two_pass_vbrbias
1309      0,                  // rc_two_pass_vbrmin_section
1310      2000,               // rc_two_pass_vbrmax_section
1311
1312      // keyframing settings (kf)
1313      VPX_KF_AUTO,        // g_kfmode
1314      0,                  // kf_min_dist
1315      9999,               // kf_max_dist
1316
1317      VPX_SS_DEFAULT_LAYERS,  // ss_number_layers
1318      {0},
1319      {0},                    // ss_target_bitrate
1320      1,                      // ts_number_layers
1321      {0},                    // ts_target_bitrate
1322      {0},                    // ts_rate_decimator
1323      0,                      // ts_periodicity
1324      {0},                    // ts_layer_id
1325#if VPX_ENCODER_ABI_VERSION == (1 + VPX_CODEC_ABI_VERSION)
1326      "vp8.fpf"           // first pass filename
1327#endif
1328    }
1329  },
1330};
1331
1332#ifndef VERSION_STRING
1333#define VERSION_STRING
1334#endif
1335CODEC_INTERFACE(vpx_codec_vp9_cx) = {
1336  "WebM Project VP9 Encoder" VERSION_STRING,
1337  VPX_CODEC_INTERNAL_ABI_VERSION,
1338#if CONFIG_VP9_HIGHBITDEPTH
1339  VPX_CODEC_CAP_HIGHBITDEPTH |
1340#endif
1341  VPX_CODEC_CAP_ENCODER | VPX_CODEC_CAP_PSNR,  // vpx_codec_caps_t
1342  encoder_init,       // vpx_codec_init_fn_t
1343  encoder_destroy,    // vpx_codec_destroy_fn_t
1344  encoder_ctrl_maps,  // vpx_codec_ctrl_fn_map_t
1345  {  // NOLINT
1346    NULL,  // vpx_codec_peek_si_fn_t
1347    NULL,  // vpx_codec_get_si_fn_t
1348    NULL,  // vpx_codec_decode_fn_t
1349    NULL,  // vpx_codec_frame_get_fn_t
1350    NULL   // vpx_codec_set_fb_fn_t
1351  },
1352  {  // NOLINT
1353    1,                      // 1 cfg map
1354    encoder_usage_cfg_map,  // vpx_codec_enc_cfg_map_t
1355    encoder_encode,         // vpx_codec_encode_fn_t
1356    encoder_get_cxdata,     // vpx_codec_get_cx_data_fn_t
1357    encoder_set_config,     // vpx_codec_enc_config_set_fn_t
1358    NULL,        // vpx_codec_get_global_headers_fn_t
1359    encoder_get_preview,    // vpx_codec_get_preview_frame_fn_t
1360    NULL         // vpx_codec_enc_mr_get_mem_loc_fn_t
1361  }
1362};
1363