blob: e129ec9c9e7a8b17a8dd1e2b699fb40fbc12a55e [file] [log] [blame]
John Koleszar0ea50ce2010-05-18 11:58:33 -04001/*
2 * Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license and patent
5 * grant that can be found in the LICENSE file in the root of the source
6 * tree. All contributing project authors may be found in the AUTHORS
7 * file in the root of the source tree.
8 */
9
10
11#include "vpx_codec/vpx_codec.h"
12#include "vpx_codec/internal/vpx_codec_internal.h"
13#include "vpx_version.h"
14#include "onyx_int.h"
15#include "vp8e.h"
16#include "onyx.h"
17#include <stdlib.h>
18#include <string.h>
19
20/* This value is a sentinel for determining whether the user has set a mode
21 * directly through the deprecated VP8E_SET_ENCODING_MODE control.
22 */
23#define NO_MODE_SET 255
24
25struct vp8_extracfg
26{
27 struct vpx_codec_pkt_list *pkt_list;
28 vp8e_encoding_mode encoding_mode; /** best, good, realtime */
29 int cpu_used; /** available cpu percentage in 1/16*/
30 unsigned int enable_auto_alt_ref; /** if encoder decides to uses alternate reference frame */
31 unsigned int noise_sensitivity;
32 unsigned int Sharpness;
33 unsigned int static_thresh;
34 unsigned int token_partitions;
35 unsigned int arnr_max_frames; /* alt_ref Noise Reduction Max Frame Count */
36 unsigned int arnr_strength; /* alt_ref Noise Reduction Strength */
37 unsigned int arnr_type; /* alt_ref filter type */
38
39};
40
41struct extraconfig_map
42{
43 int usage;
44 struct vp8_extracfg cfg;
45};
46
47static const struct extraconfig_map extracfg_map[] =
48{
49 {
50 0,
51 {
52 NULL,
53#if !(CONFIG_REALTIME_ONLY)
54 VP8_BEST_QUALITY_ENCODING, /* Encoding Mode */
55 -4, /* cpu_used */
56#else
57 VP8_REAL_TIME_ENCODING, /* Encoding Mode */
58 -8, /* cpu_used */
59#endif
60 0, /* enable_auto_alt_ref */
61 0, /* noise_sensitivity */
62 0, /* Sharpness */
63 800, /* static_thresh */
64 VP8_ONE_TOKENPARTITION, /* token_partitions */
65 0, /* arnr_max_frames */
66 0, /* arnr_strength */
67 0, /* arnr_type*/
68 }
69 }
70};
71
72struct vpx_codec_alg_priv
73{
74 vpx_codec_priv_t base;
75 vpx_codec_enc_cfg_t cfg;
76 struct vp8_extracfg vp8_cfg;
77 VP8_CONFIG oxcf;
78 VP8_PTR cpi;
79 unsigned char *cx_data;
80 unsigned int cx_data_sz;
81 vpx_image_t preview_img;
82 unsigned int next_frame_flag;
83 vp8_postproc_cfg_t preview_ppcfg;
84 vpx_codec_pkt_list_decl(26) pkt_list; // changed to accomendate the maximum number of lagged frames allowed
85 int deprecated_mode;
86 unsigned int fixed_kf_cntr;
87};
88
89
90static vpx_codec_err_t
91update_error_state(vpx_codec_alg_priv_t *ctx,
92 const struct vpx_internal_error_info *error)
93{
94 vpx_codec_err_t res;
95
96 if ((res = error->error_code))
97 ctx->base.err_detail = error->has_detail
98 ? error->detail
99 : NULL;
100
101 return res;
102}
103
104
105#define ERROR(str) do {\
106 ctx->base.err_detail = str;\
107 return VPX_CODEC_INVALID_PARAM;\
108 } while(0)
109
110#define RANGE_CHECK(p,memb,lo,hi) do {\
111 if(!((p)->memb >= (lo) && (p)->memb <= hi)) \
112 ERROR(#memb " out of range ["#lo".."#hi"]");\
113 } while(0)
114
115#define RANGE_CHECK_LO(p,memb,lo) do {\
116 if(!((p)->memb >= (lo))) \
117 ERROR(#memb " out of range ["#lo"..]");\
118 } while(0)
119
120#define RANGE_CHECK_BOOL(p,memb) do {\
121 if(!!((p)->memb) != (p)->memb) ERROR(#memb " expected boolean");\
122 } while(0)
123
124static vpx_codec_err_t validate_config(vpx_codec_alg_priv_t *ctx,
125 const vpx_codec_enc_cfg_t *cfg,
126 const struct vp8_extracfg *vp8_cfg)
127{
128 RANGE_CHECK(cfg, g_w, 2, 16384);
129 RANGE_CHECK(cfg, g_h, 2, 16384);
130 RANGE_CHECK(cfg, g_timebase.den, 1, 1000000000);
131 RANGE_CHECK(cfg, g_timebase.num, 1, cfg->g_timebase.den);
132 RANGE_CHECK(cfg, g_profile, 0, 3);
133 RANGE_CHECK(cfg, rc_min_quantizer, 0, 63);
134 RANGE_CHECK(cfg, rc_max_quantizer, 0, 63);
135 RANGE_CHECK(cfg, g_threads, 0, 64);
136#if !(CONFIG_REALTIME_ONLY)
137 RANGE_CHECK(cfg, g_lag_in_frames, 0, 25);
138#else
139 RANGE_CHECK(cfg, g_lag_in_frames, 0, 0);
140#endif
141 RANGE_CHECK(cfg, rc_end_usage, VPX_VBR, VPX_CBR);
142 RANGE_CHECK(cfg, rc_undershoot_pct, 0, 100);
143 RANGE_CHECK(cfg, rc_2pass_vbr_bias_pct, 0, 100);
144 RANGE_CHECK(cfg, kf_mode, VPX_KF_DISABLED, VPX_KF_AUTO);
145 //RANGE_CHECK_BOOL(cfg, g_delete_firstpassfile);
146 RANGE_CHECK_BOOL(cfg, rc_resize_allowed);
147 RANGE_CHECK(cfg, rc_dropframe_thresh, 0, 100);
148 RANGE_CHECK(cfg, rc_resize_up_thresh, 0, 100);
149 RANGE_CHECK(cfg, rc_resize_down_thresh, 0, 100);
150#if !(CONFIG_REALTIME_ONLY)
151 RANGE_CHECK(cfg, g_pass, VPX_RC_ONE_PASS, VPX_RC_LAST_PASS);
152#else
153 RANGE_CHECK(cfg, g_pass, VPX_RC_ONE_PASS, VPX_RC_ONE_PASS);
154#endif
155
156 /* VP8 does not support a lower bound on the keyframe interval in
157 * automatic keyframe placement mode.
158 */
159 if (cfg->kf_mode != VPX_KF_DISABLED && cfg->kf_min_dist != cfg->kf_max_dist
160 && cfg->kf_min_dist > 0)
161 ERROR("kf_min_dist not supported in auto mode, use 0 "
162 "or kf_max_dist instead.");
163
164 RANGE_CHECK_BOOL(vp8_cfg, enable_auto_alt_ref);
165#if !(CONFIG_REALTIME_ONLY)
166 RANGE_CHECK(vp8_cfg, encoding_mode, VP8_BEST_QUALITY_ENCODING, VP8_REAL_TIME_ENCODING);
167 RANGE_CHECK(vp8_cfg, cpu_used, -16, 16);
168 RANGE_CHECK(vp8_cfg, noise_sensitivity, 0, 6);
169#else
170 RANGE_CHECK(vp8_cfg, encoding_mode, VP8_REAL_TIME_ENCODING, VP8_REAL_TIME_ENCODING);
171
172 if (!((vp8_cfg->cpu_used >= -16 && vp8_cfg->cpu_used <= -4) || (vp8_cfg->cpu_used >= 4 && vp8_cfg->cpu_used <= 16)))
173 ERROR("cpu_used out of range [-16..-4] or [4..16]");
174
175 RANGE_CHECK(vp8_cfg, noise_sensitivity, 0, 0);
176#endif
177
178 RANGE_CHECK(vp8_cfg, token_partitions, VP8_ONE_TOKENPARTITION, VP8_EIGHT_TOKENPARTITION);
179 RANGE_CHECK(vp8_cfg, Sharpness, 0, 7);
180 RANGE_CHECK(vp8_cfg, arnr_max_frames, 0, 25);
181 RANGE_CHECK(vp8_cfg, arnr_strength, 0, 6);
182 RANGE_CHECK(vp8_cfg, arnr_type, 0, 0xffffffff);
183
184 if (cfg->g_pass == VPX_RC_LAST_PASS)
185 {
186 int n_doubles = cfg->rc_twopass_stats_in.sz / sizeof(double);
187 int n_packets = cfg->rc_twopass_stats_in.sz / sizeof(FIRSTPASS_STATS);
188 double frames;
189
190 if (!cfg->rc_twopass_stats_in.buf)
191 ERROR("rc_twopass_stats_in.buf not set.");
192
193 if (cfg->rc_twopass_stats_in.sz % sizeof(FIRSTPASS_STATS))
194 ERROR("rc_twopass_stats_in.sz indicates truncated packet.");
195
196 if (cfg->rc_twopass_stats_in.sz < 2 * sizeof(FIRSTPASS_STATS))
197 ERROR("rc_twopass_stats_in requires at least two packets.");
198
199 frames = ((double *)cfg->rc_twopass_stats_in.buf)[n_doubles - 1];
200
201 if ((int)(frames + 0.5) != n_packets - 1)
202 ERROR("rc_twopass_stats_in missing EOS stats packet");
203 }
204
205 return VPX_CODEC_OK;
206}
207
208
209static vpx_codec_err_t validate_img(vpx_codec_alg_priv_t *ctx,
210 const vpx_image_t *img)
211{
212 switch (img->fmt)
213 {
214 case IMG_FMT_YV12:
215 case IMG_FMT_I420:
216 case IMG_FMT_VPXI420:
217 case IMG_FMT_VPXYV12:
218 break;
219 default:
220 ERROR("Invalid image format. Only YV12 and I420 images are supported");
221 }
222
223 if ((img->d_w != ctx->cfg.g_w) || (img->d_h != ctx->cfg.g_h))
224 ERROR("Image size must match encoder init configuration size");
225
226 return VPX_CODEC_OK;
227}
228
229
230static vpx_codec_err_t set_vp8e_config(VP8_CONFIG *oxcf,
231 vpx_codec_enc_cfg_t cfg,
232 struct vp8_extracfg vp8_cfg)
233{
234 oxcf->multi_threaded = cfg.g_threads;
235 oxcf->Version = cfg.g_profile;
236
237 oxcf->Width = cfg.g_w;
238 oxcf->Height = cfg.g_h;
239 /* guess a frame rate if out of whack, use 30 */
240 oxcf->frame_rate = (double)(cfg.g_timebase.den) / (double)(cfg.g_timebase.num);
241
242 if (oxcf->frame_rate > 180)
243 {
244 oxcf->frame_rate = 30;
245 }
246
247 oxcf->error_resilient_mode = cfg.g_error_resilient;
248
249 switch (cfg.g_pass)
250 {
251 case VPX_RC_ONE_PASS:
252 oxcf->Mode = MODE_BESTQUALITY;
253 break;
254 case VPX_RC_FIRST_PASS:
255 oxcf->Mode = MODE_FIRSTPASS;
256 break;
257 case VPX_RC_LAST_PASS:
258 oxcf->Mode = MODE_SECONDPASS_BEST;
259 break;
260 }
261
262 if (cfg.g_pass == VPX_RC_FIRST_PASS)
263 {
264 oxcf->allow_lag = 0;
265 oxcf->lag_in_frames = 0;
266 }
267 else
268 {
269 oxcf->allow_lag = (cfg.g_lag_in_frames) > 0;
270 oxcf->lag_in_frames = cfg.g_lag_in_frames;
271 }
272
273 oxcf->allow_df = (cfg.rc_dropframe_thresh > 0);
274 oxcf->drop_frames_water_mark = cfg.rc_dropframe_thresh;
275
276 oxcf->allow_spatial_resampling = cfg.rc_resize_allowed;
277 oxcf->resample_up_water_mark = cfg.rc_resize_up_thresh;
278 oxcf->resample_down_water_mark = cfg.rc_resize_down_thresh;
279
280 if (cfg.rc_end_usage == VPX_VBR)
281 {
282 oxcf->end_usage = USAGE_LOCAL_FILE_PLAYBACK;
283 }
284 else if (cfg.rc_end_usage == VPX_CBR)
285 {
286 oxcf->end_usage = USAGE_STREAM_FROM_SERVER;
287 }
288
289 oxcf->target_bandwidth = cfg.rc_target_bitrate;
290
291 oxcf->best_allowed_q = cfg.rc_min_quantizer;
292 oxcf->worst_allowed_q = cfg.rc_max_quantizer;
293 oxcf->fixed_q = -1;
294
295 oxcf->under_shoot_pct = cfg.rc_undershoot_pct;
296 //oxcf->over_shoot_pct = cfg.rc_overshoot_pct;
297
298 oxcf->maximum_buffer_size = cfg.rc_buf_sz / 1000;
299 oxcf->starting_buffer_level = cfg.rc_buf_initial_sz / 1000;
300 oxcf->optimal_buffer_level = cfg.rc_buf_optimal_sz / 1000;
301
302 oxcf->two_pass_vbrbias = cfg.rc_2pass_vbr_bias_pct;
303 oxcf->two_pass_vbrmin_section = cfg.rc_2pass_vbr_minsection_pct;
304 oxcf->two_pass_vbrmax_section = cfg.rc_2pass_vbr_maxsection_pct;
305
306 oxcf->auto_key = cfg.kf_mode == VPX_KF_AUTO
307 && cfg.kf_min_dist != cfg.kf_max_dist;
308 //oxcf->kf_min_dist = cfg.kf_min_dis;
309 oxcf->key_freq = cfg.kf_max_dist;
310
311 //oxcf->delete_first_pass_file = cfg.g_delete_firstpassfile;
312 //strcpy(oxcf->first_pass_file, cfg.g_firstpass_file);
313
314 oxcf->cpu_used = vp8_cfg.cpu_used;
315 oxcf->encode_breakout = vp8_cfg.static_thresh;
316 oxcf->play_alternate = vp8_cfg.enable_auto_alt_ref;
317 oxcf->noise_sensitivity = vp8_cfg.noise_sensitivity;
318 oxcf->Sharpness = vp8_cfg.Sharpness;
319 oxcf->token_partitions = vp8_cfg.token_partitions;
320
321 oxcf->two_pass_stats_in = cfg.rc_twopass_stats_in;
322 oxcf->output_pkt_list = vp8_cfg.pkt_list;
323
324 oxcf->arnr_max_frames = vp8_cfg.arnr_max_frames;
325 oxcf->arnr_strength = vp8_cfg.arnr_strength;
326 oxcf->arnr_type = vp8_cfg.arnr_type;
327
328
329 /*
330 printf("Current VP8 Settings: \n");
331 printf("target_bandwidth: %d\n", oxcf->target_bandwidth);
332 printf("noise_sensitivity: %d\n", oxcf->noise_sensitivity);
333 printf("Sharpness: %d\n", oxcf->Sharpness);
334 printf("cpu_used: %d\n", oxcf->cpu_used);
335 printf("Mode: %d\n", oxcf->Mode);
336 printf("delete_first_pass_file: %d\n", oxcf->delete_first_pass_file);
337 printf("auto_key: %d\n", oxcf->auto_key);
338 printf("key_freq: %d\n", oxcf->key_freq);
339 printf("end_usage: %d\n", oxcf->end_usage);
340 printf("under_shoot_pct: %d\n", oxcf->under_shoot_pct);
341 printf("starting_buffer_level: %d\n", oxcf->starting_buffer_level);
342 printf("optimal_buffer_level: %d\n", oxcf->optimal_buffer_level);
343 printf("maximum_buffer_size: %d\n", oxcf->maximum_buffer_size);
344 printf("fixed_q: %d\n", oxcf->fixed_q);
345 printf("worst_allowed_q: %d\n", oxcf->worst_allowed_q);
346 printf("best_allowed_q: %d\n", oxcf->best_allowed_q);
347 printf("allow_spatial_resampling: %d\n", oxcf->allow_spatial_resampling);
348 printf("resample_down_water_mark: %d\n", oxcf->resample_down_water_mark);
349 printf("resample_up_water_mark: %d\n", oxcf->resample_up_water_mark);
350 printf("allow_df: %d\n", oxcf->allow_df);
351 printf("drop_frames_water_mark: %d\n", oxcf->drop_frames_water_mark);
352 printf("two_pass_vbrbias: %d\n", oxcf->two_pass_vbrbias);
353 printf("two_pass_vbrmin_section: %d\n", oxcf->two_pass_vbrmin_section);
354 printf("two_pass_vbrmax_section: %d\n", oxcf->two_pass_vbrmax_section);
355 printf("allow_lag: %d\n", oxcf->allow_lag);
356 printf("lag_in_frames: %d\n", oxcf->lag_in_frames);
357 printf("play_alternate: %d\n", oxcf->play_alternate);
358 printf("Version: %d\n", oxcf->Version);
359 printf("multi_threaded: %d\n", oxcf->multi_threaded);
360 printf("encode_breakout: %d\n", oxcf->encode_breakout);
361 */
362 return VPX_CODEC_OK;
363}
364
365static vpx_codec_err_t vp8e_set_config(vpx_codec_alg_priv_t *ctx,
366 const vpx_codec_enc_cfg_t *cfg)
367{
368 vpx_codec_err_t res;
369
370 if ((cfg->g_w != ctx->cfg.g_w) || (cfg->g_h != ctx->cfg.g_h))
371 ERROR("Cannot change width or height after initialization");
372
373 /* Prevent increasing lag_in_frames. This check is stricter than it needs
374 * to be -- the limit is not increasing past the first lag_in_frames
375 * value, but we don't track the initial config, only the last successful
376 * config.
377 */
378 if ((cfg->g_lag_in_frames > ctx->cfg.g_lag_in_frames))
379 ERROR("Cannot increase lag_in_frames");
380
381 res = validate_config(ctx, cfg, &ctx->vp8_cfg);
382
383 if (!res)
384 {
385 ctx->cfg = *cfg;
386 set_vp8e_config(&ctx->oxcf, ctx->cfg, ctx->vp8_cfg);
387 vp8_change_config(ctx->cpi, &ctx->oxcf);
388 }
389
390 return res;
391}
392
393
394int vp8_reverse_trans(int);
395
396
397static vpx_codec_err_t get_param(vpx_codec_alg_priv_t *ctx,
398 int ctrl_id,
399 va_list args)
400{
401 void *arg = va_arg(args, void *);
402
403#define MAP(id, var) case id: *(RECAST(id, arg)) = var; break
404
405 if (!arg)
406 return VPX_CODEC_INVALID_PARAM;
407
408 switch (ctrl_id)
409 {
410 MAP(VP8E_GET_LAST_QUANTIZER, vp8_get_quantizer(ctx->cpi));
411 MAP(VP8E_GET_LAST_QUANTIZER_64, vp8_reverse_trans(vp8_get_quantizer(ctx->cpi)));
412 }
413
414 return VPX_CODEC_OK;
415#undef MAP
416}
417
418
419static vpx_codec_err_t set_param(vpx_codec_alg_priv_t *ctx,
420 int ctrl_id,
421 va_list args)
422{
423 vpx_codec_err_t res = VPX_CODEC_OK;
424 struct vp8_extracfg xcfg = ctx->vp8_cfg;
425
426#define MAP(id, var) case id: var = CAST(id, args); break;
427
428 switch (ctrl_id)
429 {
430 MAP(VP8E_SET_ENCODING_MODE, ctx->deprecated_mode);
431 MAP(VP8E_SET_CPUUSED, xcfg.cpu_used);
432 MAP(VP8E_SET_ENABLEAUTOALTREF, xcfg.enable_auto_alt_ref);
433 MAP(VP8E_SET_NOISE_SENSITIVITY, xcfg.noise_sensitivity);
434 MAP(VP8E_SET_SHARPNESS, xcfg.Sharpness);
435 MAP(VP8E_SET_STATIC_THRESHOLD, xcfg.static_thresh);
436 MAP(VP8E_SET_TOKEN_PARTITIONS, xcfg.token_partitions);
437
438 MAP(VP8E_SET_ARNR_MAXFRAMES, xcfg.arnr_max_frames);
439 MAP(VP8E_SET_ARNR_STRENGTH , xcfg.arnr_strength);
440 MAP(VP8E_SET_ARNR_TYPE , xcfg.arnr_type);
441
442 }
443
444 res = validate_config(ctx, &ctx->cfg, &xcfg);
445
446 if (!res)
447 {
448 ctx->vp8_cfg = xcfg;
449 set_vp8e_config(&ctx->oxcf, ctx->cfg, ctx->vp8_cfg);
450 vp8_change_config(ctx->cpi, &ctx->oxcf);
451 }
452
453 return res;
454#undef MAP
455}
456static vpx_codec_err_t vp8e_init(vpx_codec_ctx_t *ctx)
457{
458 vpx_codec_err_t res = VPX_DEC_OK;
459 struct vpx_codec_alg_priv *priv;
460 vpx_codec_enc_cfg_t *cfg;
461 unsigned int i;
462
463 VP8_PTR optr;
464
465 if (!ctx->priv)
466 {
467 priv = calloc(1, sizeof(struct vpx_codec_alg_priv));
468
469 if (priv)
470 {
471 ctx->priv = &priv->base;
472 ctx->priv->sz = sizeof(*ctx->priv);
473 ctx->priv->iface = ctx->iface;
474 ctx->priv->alg_priv = priv;
475 ctx->priv->init_flags = ctx->init_flags;
476
477 if (ctx->config.enc)
478 {
479 /* Update the reference to the config structure to an
480 * internal copy.
481 */
482 ctx->priv->alg_priv->cfg = *ctx->config.enc;
483 ctx->config.enc = &ctx->priv->alg_priv->cfg;
484 }
485
486 cfg = &ctx->priv->alg_priv->cfg;
487
488 /* Select the extra vp6 configuration table based on the current
489 * usage value. If the current usage value isn't found, use the
490 * values for usage case 0.
491 */
492 for (i = 0;
493 extracfg_map[i].usage && extracfg_map[i].usage != cfg->g_usage;
494 i++);
495
496 priv->vp8_cfg = extracfg_map[i].cfg;
497 priv->vp8_cfg.pkt_list = &priv->pkt_list.head;
498
499 priv->cx_data_sz = priv->cfg.g_w * priv->cfg.g_h * 3 / 2 * 2;
500
501 if (priv->cx_data_sz < 4096) priv->cx_data_sz = 4096;
502
503 priv->cx_data = malloc(priv->cx_data_sz);
504 priv->deprecated_mode = NO_MODE_SET;
505
506 vp8_initialize();
507
508 res = validate_config(priv, &priv->cfg, &priv->vp8_cfg);
509
510 if (!res)
511 {
512 set_vp8e_config(&ctx->priv->alg_priv->oxcf, ctx->priv->alg_priv->cfg, ctx->priv->alg_priv->vp8_cfg);
513 optr = vp8_create_compressor(&ctx->priv->alg_priv->oxcf);
514
515 if (!optr)
516 res = VPX_CODEC_MEM_ERROR;
517 else
518 ctx->priv->alg_priv->cpi = optr;
519 }
520 }
521 }
522
523 return res;
524}
525
526static vpx_codec_err_t vp8e_destroy(vpx_codec_alg_priv_t *ctx)
527{
528
529 free(ctx->cx_data);
530 vp8_remove_compressor(&ctx->cpi);
531 free(ctx);
532 return VPX_CODEC_OK;
533}
534
535static vpx_codec_err_t image2yuvconfig(const vpx_image_t *img,
536 YV12_BUFFER_CONFIG *yv12)
537{
538 vpx_codec_err_t res = VPX_CODEC_OK;
539 yv12->y_buffer = img->planes[PLANE_Y];
540 yv12->u_buffer = img->planes[PLANE_U];
541 yv12->v_buffer = img->planes[PLANE_V];
542
543 yv12->y_width = img->d_w;
544 yv12->y_height = img->d_h;
545 yv12->uv_width = (1 + yv12->y_width) / 2;
546 yv12->uv_height = (1 + yv12->y_height) / 2;
547
548 yv12->y_stride = img->stride[PLANE_Y];
549 yv12->uv_stride = img->stride[PLANE_U];
550
551 yv12->border = (img->stride[PLANE_Y] - img->w) / 2;
552 yv12->clrtype = (img->fmt == IMG_FMT_VPXI420 || img->fmt == IMG_FMT_VPXYV12); //REG_YUV = 0
553 return res;
554}
555
556static void pick_quickcompress_mode(vpx_codec_alg_priv_t *ctx,
557 unsigned long duration,
558 unsigned long deadline)
559{
560 unsigned int new_qc;
561
562#if !(CONFIG_REALTIME_ONLY)
563 /* Use best quality mode if no deadline is given. */
564 new_qc = MODE_BESTQUALITY;
565
566 if (deadline)
567 {
568 uint64_t duration_us;
569
570 /* Convert duration parameter from stream timebase to microseconds */
571 duration_us = (uint64_t)duration * 1000000
572 * (uint64_t)ctx->cfg.g_timebase.num
573 / (uint64_t)ctx->cfg.g_timebase.den;
574
575 /* If the deadline is more that the duration this frame is to be shown,
576 * use good quality mode. Otherwise use realtime mode.
577 */
578 new_qc = (deadline > duration_us) ? MODE_GOODQUALITY : MODE_REALTIME;
579 }
580
581#else
582 new_qc = MODE_REALTIME;
583#endif
584
585 switch (ctx->deprecated_mode)
586 {
587 case VP8_BEST_QUALITY_ENCODING:
588 new_qc = MODE_BESTQUALITY;
589 break;
590 case VP8_GOOD_QUALITY_ENCODING:
591 new_qc = MODE_GOODQUALITY;
592 break;
593 case VP8_REAL_TIME_ENCODING:
594 new_qc = MODE_REALTIME;
595 break;
596 }
597
598 if (ctx->cfg.g_pass == VPX_RC_FIRST_PASS)
599 new_qc = MODE_FIRSTPASS;
600 else if (ctx->cfg.g_pass == VPX_RC_LAST_PASS)
601 new_qc = (new_qc == MODE_BESTQUALITY)
602 ? MODE_SECONDPASS_BEST
603 : MODE_SECONDPASS;
604
605 if (ctx->oxcf.Mode != new_qc)
606 {
607 ctx->oxcf.Mode = new_qc;
608 vp8_change_config(ctx->cpi, &ctx->oxcf);
609 }
610}
611
612
613static vpx_codec_err_t vp8e_encode(vpx_codec_alg_priv_t *ctx,
614 const vpx_image_t *img,
615 vpx_codec_pts_t pts,
616 unsigned long duration,
617 vpx_enc_frame_flags_t flags,
618 unsigned long deadline)
619{
620 vpx_codec_err_t res = VPX_CODEC_OK;
621
622 if (img)
623 res = validate_img(ctx, img);
624
625 pick_quickcompress_mode(ctx, duration, deadline);
626 vpx_codec_pkt_list_init(&ctx->pkt_list);
627
628 /* Handle Flags */
629 if (((flags & VP8_EFLAG_NO_UPD_GF) && (flags & VP8_EFLAG_FORCE_GF))
630 || ((flags & VP8_EFLAG_NO_UPD_ARF) && (flags & VP8_EFLAG_FORCE_ARF)))
631 {
632 ctx->base.err_detail = "Conflicting flags.";
633 return VPX_CODEC_INVALID_PARAM;
634 }
635
636 if (flags & (VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_GF
637 | VP8_EFLAG_NO_REF_ARF))
638 {
639 int ref = 7;
640
641 if (flags & VP8_EFLAG_NO_REF_LAST)
642 ref ^= VP8_LAST_FLAG;
643
644 if (flags & VP8_EFLAG_NO_REF_GF)
645 ref ^= VP8_GOLD_FLAG;
646
647 if (flags & VP8_EFLAG_NO_REF_ARF)
648 ref ^= VP8_ALT_FLAG;
649
650 vp8_use_as_reference(ctx->cpi, ref);
651 }
652
653 if (flags & (VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF
654 | VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_FORCE_GF
655 | VP8_EFLAG_FORCE_ARF))
656 {
657 int upd = 7;
658
659 if (flags & VP8_EFLAG_NO_UPD_LAST)
660 upd ^= VP8_LAST_FLAG;
661
662 if (flags & VP8_EFLAG_NO_UPD_GF)
663 upd ^= VP8_GOLD_FLAG;
664
665 if (flags & VP8_EFLAG_NO_UPD_ARF)
666 upd ^= VP8_ALT_FLAG;
667
668 vp8_update_reference(ctx->cpi, upd);
669 }
670
671 if (flags & VP8_EFLAG_NO_UPD_ENTROPY)
672 {
673 vp8_update_entropy(ctx->cpi, 0);
674 }
675
676 /* Handle fixed keyframe intervals */
677 if (ctx->cfg.kf_mode == VPX_KF_AUTO
678 && ctx->cfg.kf_min_dist == ctx->cfg.kf_max_dist)
679 {
680 if (++ctx->fixed_kf_cntr > ctx->cfg.kf_min_dist)
681 {
682 flags |= VPX_EFLAG_FORCE_KF;
683 ctx->fixed_kf_cntr = 0;
684 }
685 }
686
687 /* Initialize the encoder instance on the first frame*/
688 if (!res && ctx->cpi)
689 {
690 unsigned int lib_flags;
691 YV12_BUFFER_CONFIG sd;
692 INT64 dst_time_stamp, dst_end_time_stamp;
693 unsigned long size, cx_data_sz;
694 unsigned char *cx_data;
695
696 /* Set up internal flags */
697 if (ctx->base.init_flags & VPX_CODEC_USE_PSNR)
698 ((VP8_COMP *)ctx->cpi)->b_calculate_psnr = 1;
699
700 /* Convert API flags to internal codec lib flags */
701 lib_flags = (flags & VPX_EFLAG_FORCE_KF) ? FRAMEFLAGS_KEY : 0;
702
703 /* vp8 use 10,000,000 ticks/second as time stamp */
704 dst_time_stamp = pts * 10000000 * ctx->cfg.g_timebase.num / ctx->cfg.g_timebase.den;
705 dst_end_time_stamp = (pts + duration) * 10000000 * ctx->cfg.g_timebase.num / ctx->cfg.g_timebase.den;
706
707 if (img != NULL)
708 {
709 res = image2yuvconfig(img, &sd);
710
711 if (vp8_receive_raw_frame(ctx->cpi, ctx->next_frame_flag | lib_flags,
712 &sd, dst_time_stamp, dst_end_time_stamp))
713 {
714 VP8_COMP *cpi = (VP8_COMP *)ctx->cpi;
715 res = update_error_state(ctx, &cpi->common.error);
716 }
717
718 /* reset for next frame */
719 ctx->next_frame_flag = 0;
720 }
721
722 cx_data = ctx->cx_data;
723 cx_data_sz = ctx->cx_data_sz;
724 lib_flags = 0;
725
726 while (cx_data_sz >= ctx->cx_data_sz / 2
727 && -1 != vp8_get_compressed_data(ctx->cpi, &lib_flags, &size, cx_data, &dst_time_stamp, &dst_end_time_stamp, !img))
728 {
729 if (size)
730 {
731 vpx_codec_pts_t round, delta;
732 vpx_codec_cx_pkt_t pkt;
733 VP8_COMP *cpi = (VP8_COMP *)ctx->cpi;
734
735 /* Add the frame packet to the list of returned packets. */
736 round = 1000000 * ctx->cfg.g_timebase.num / 2 - 1;
737 delta = (dst_end_time_stamp - dst_time_stamp);
738 pkt.kind = VPX_CODEC_CX_FRAME_PKT;
739 pkt.data.frame.buf = cx_data;
740 pkt.data.frame.sz = size;
741 pkt.data.frame.pts =
742 (dst_time_stamp * ctx->cfg.g_timebase.den + round)
743 / ctx->cfg.g_timebase.num / 10000000;
744 pkt.data.frame.duration =
745 (delta * ctx->cfg.g_timebase.den + round)
746 / ctx->cfg.g_timebase.num / 10000000;
747 pkt.data.frame.flags = lib_flags << 16;
748
749 if (lib_flags & FRAMEFLAGS_KEY)
750 pkt.data.frame.flags |= VPX_FRAME_IS_KEY;
751
752 if (!cpi->common.show_frame)
753 {
754 pkt.data.frame.flags |= VPX_FRAME_IS_INVISIBLE;
755
756 // TODO: ideally this timestamp should be as close as
757 // possible to the prior PTS so that if a decoder uses
758 // pts to schedule when to do this, we start right after
759 // last frame was decoded. Maybe should be set to
760 // last time stamp. Invisible frames have no duration..
761 pkt.data.frame.pts --;
762 pkt.data.frame.duration = 0;
763 }
764
765 vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
766
767 //printf("timestamp: %lld, duration: %d\n", pkt->data.frame.pts, pkt->data.frame.duration);
768 cx_data += size;
769 cx_data_sz -= size;
770 }
771 }
772 }
773
774 return res;
775}
776
777
778static const vpx_codec_cx_pkt_t *vp8e_get_cxdata(vpx_codec_alg_priv_t *ctx,
779 vpx_codec_iter_t *iter)
780{
781 return vpx_codec_pkt_list_get(&ctx->pkt_list.head, iter);
782}
783
784static vpx_codec_err_t vp8e_set_reference(vpx_codec_alg_priv_t *ctx,
785 int ctr_id,
786 va_list args)
787{
788 vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
789
790 if (data)
791 {
792 vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
793 YV12_BUFFER_CONFIG sd;
794
795 image2yuvconfig(&frame->img, &sd);
796 vp8_set_reference(ctx->cpi, frame->frame_type, &sd);
797 return VPX_CODEC_OK;
798 }
799 else
800 return VPX_CODEC_INVALID_PARAM;
801
802}
803
804static vpx_codec_err_t vp8e_get_reference(vpx_codec_alg_priv_t *ctx,
805 int ctr_id,
806 va_list args)
807{
808
809 vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
810
811 if (data)
812 {
813 vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
814 YV12_BUFFER_CONFIG sd;
815
816 image2yuvconfig(&frame->img, &sd);
817 vp8_get_reference(ctx->cpi, frame->frame_type, &sd);
818 return VPX_CODEC_OK;
819 }
820 else
821 return VPX_CODEC_INVALID_PARAM;
822}
823
824static vpx_codec_err_t vp8e_set_previewpp(vpx_codec_alg_priv_t *ctx,
825 int ctr_id,
826 va_list args)
827{
828 vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
829
830 if (data)
831 {
832 ctx->preview_ppcfg = *((vp8_postproc_cfg_t *)data);
833 return VPX_CODEC_OK;
834 }
835 else
836 return VPX_CODEC_INVALID_PARAM;
837}
838
839
840static vpx_image_t *vp8e_get_preview(vpx_codec_alg_priv_t *ctx)
841{
842
843 YV12_BUFFER_CONFIG sd;
844
845 if (0 == vp8_get_preview_raw_frame(ctx->cpi, &sd, ctx->preview_ppcfg.deblocking_level, ctx->preview_ppcfg.noise_level, ctx->preview_ppcfg.post_proc_flag))
846 {
847
848 /*
849 vpx_img_wrap(&ctx->preview_img, IMG_FMT_YV12,
850 sd.y_width + 2*VP8BORDERINPIXELS,
851 sd.y_height + 2*VP8BORDERINPIXELS,
852 1,
853 sd.buffer_alloc);
854 vpx_img_set_rect(&ctx->preview_img,
855 VP8BORDERINPIXELS, VP8BORDERINPIXELS,
856 sd.y_width, sd.y_height);
857 */
858
859 ctx->preview_img.bps = 12;
860 ctx->preview_img.planes[PLANE_Y] = sd.y_buffer;
861 ctx->preview_img.planes[PLANE_U] = sd.u_buffer;
862 ctx->preview_img.planes[PLANE_V] = sd.v_buffer;
863
864 if (sd.clrtype == REG_YUV)
865 ctx->preview_img.fmt = IMG_FMT_I420;
866 else
867 ctx->preview_img.fmt = IMG_FMT_VPXI420;
868
869 ctx->preview_img.x_chroma_shift = 1;
870 ctx->preview_img.y_chroma_shift = 1;
871
872 ctx->preview_img.d_w = ctx->cfg.g_w;
873 ctx->preview_img.d_h = ctx->cfg.g_h;
874 ctx->preview_img.stride[PLANE_Y] = sd.y_stride;
875 ctx->preview_img.stride[PLANE_U] = sd.uv_stride;
876 ctx->preview_img.stride[PLANE_V] = sd.uv_stride;
877 ctx->preview_img.w = sd.y_width;
878 ctx->preview_img.h = sd.y_height;
879
880 return &ctx->preview_img;
881 }
882 else
883 return NULL;
884}
885
886static vpx_codec_err_t vp8e_update_entropy(vpx_codec_alg_priv_t *ctx,
887 int ctr_id,
888 va_list args)
889{
890 int update = va_arg(args, int);
891 vp8_update_entropy(ctx->cpi, update);
892 return VPX_CODEC_OK;
893
894}
895
896static vpx_codec_err_t vp8e_update_reference(vpx_codec_alg_priv_t *ctx,
897 int ctr_id,
898 va_list args)
899{
900 int update = va_arg(args, int);
901 vp8_update_reference(ctx->cpi, update);
902 return VPX_CODEC_OK;
903}
904
905static vpx_codec_err_t vp8e_use_reference(vpx_codec_alg_priv_t *ctx,
906 int ctr_id,
907 va_list args)
908{
909 int reference_flag = va_arg(args, int);
910 vp8_use_as_reference(ctx->cpi, reference_flag);
911 return VPX_CODEC_OK;
912}
913
914static vpx_codec_err_t vp8e_set_roi_map(vpx_codec_alg_priv_t *ctx,
915 int ctr_id,
916 va_list args)
917{
918 vpx_roi_map_t *data = va_arg(args, vpx_roi_map_t *);
919
920 if (data)
921 {
922 vpx_roi_map_t *roi = (vpx_roi_map_t *)data;
923
924 if (!vp8_set_roimap(ctx->cpi, roi->roi_map, roi->rows, roi->cols, roi->delta_q, roi->delta_lf, roi->static_threshold))
925 return VPX_CODEC_OK;
926 else
927 return VPX_CODEC_INVALID_PARAM;
928 }
929 else
930 return VPX_CODEC_INVALID_PARAM;
931}
932
933
934static vpx_codec_err_t vp8e_set_activemap(vpx_codec_alg_priv_t *ctx,
935 int ctr_id,
936 va_list args)
937{
938 vpx_active_map_t *data = va_arg(args, vpx_active_map_t *);
939
940 if (data)
941 {
942
943 vpx_active_map_t *map = (vpx_active_map_t *)data;
944
945 if (!vp8_set_active_map(ctx->cpi, map->active_map, map->rows, map->cols))
946 return VPX_CODEC_OK;
947 else
948 return VPX_CODEC_INVALID_PARAM;
949 }
950 else
951 return VPX_CODEC_INVALID_PARAM;
952}
953
954static vpx_codec_err_t vp8e_set_scalemode(vpx_codec_alg_priv_t *ctx,
955 int ctr_id,
956 va_list args)
957{
958
959 vpx_scaling_mode_t *data = va_arg(args, vpx_scaling_mode_t *);
960
961 if (data)
962 {
963 int res;
964 vpx_scaling_mode_t scalemode = *(vpx_scaling_mode_t *)data ;
965 res = vp8_set_internal_size(ctx->cpi, scalemode.h_scaling_mode, scalemode.v_scaling_mode);
966
967 if (!res)
968 {
969 /*force next frame a key frame to effect scaling mode */
970 ctx->next_frame_flag |= FRAMEFLAGS_KEY;
971 return VPX_CODEC_OK;
972 }
973 else
974 return VPX_CODEC_INVALID_PARAM;
975 }
976 else
977 return VPX_CODEC_INVALID_PARAM;
978}
979
980
981static vpx_codec_ctrl_fn_map_t vp8e_ctf_maps[] =
982{
983 {VP8_SET_REFERENCE, vp8e_set_reference},
984 {VP8_COPY_REFERENCE, vp8e_get_reference},
985 {VP8_SET_POSTPROC, vp8e_set_previewpp},
986 {VP8E_UPD_ENTROPY, vp8e_update_entropy},
987 {VP8E_UPD_REFERENCE, vp8e_update_reference},
988 {VP8E_USE_REFERENCE, vp8e_use_reference},
989 {VP8E_SET_ROI_MAP, vp8e_set_roi_map},
990 {VP8E_SET_ACTIVEMAP, vp8e_set_activemap},
991 {VP8E_SET_SCALEMODE, vp8e_set_scalemode},
992 {VP8E_SET_ENCODING_MODE, set_param},
993 {VP8E_SET_CPUUSED, set_param},
994 {VP8E_SET_NOISE_SENSITIVITY, set_param},
995 {VP8E_SET_ENABLEAUTOALTREF, set_param},
996 {VP8E_SET_SHARPNESS, set_param},
997 {VP8E_SET_STATIC_THRESHOLD, set_param},
998 {VP8E_SET_TOKEN_PARTITIONS, set_param},
999 {VP8E_GET_LAST_QUANTIZER, get_param},
1000 {VP8E_GET_LAST_QUANTIZER_64, get_param},
1001 {VP8E_SET_ARNR_MAXFRAMES, set_param},
1002 {VP8E_SET_ARNR_STRENGTH , set_param},
1003 {VP8E_SET_ARNR_TYPE , set_param},
1004 { -1, NULL},
1005};
1006
1007static vpx_codec_enc_cfg_map_t vp8e_usage_cfg_map[] =
1008{
1009 {
1010 0,
1011 {
1012 0, /* g_usage */
1013 0, /* g_threads */
1014 0, /* g_profile */
1015
1016 320, /* g_width */
1017 240, /* g_height */
1018 {1, 30}, /* g_timebase */
1019
1020 0, /* g_error_resilient */
1021
1022 VPX_RC_ONE_PASS, /* g_pass */
1023
1024 0, /* g_lag_in_frames */
1025
1026 70, /* rc_dropframe_thresh */
1027 0, /* rc_resize_allowed */
1028 60, /* rc_resize_down_thresold */
1029 30, /* rc_resize_up_thresold */
1030
1031 VPX_VBR, /* rc_end_usage */
1032#if VPX_ENCODER_ABI_VERSION > (1 + VPX_CODEC_ABI_VERSION)
1033 {0}, /* rc_twopass_stats_in */
1034#endif
1035 256, /* rc_target_bandwidth */
1036
1037 4, /* rc_min_quantizer */
1038 63, /* rc_max_quantizer */
1039
1040 95, /* rc_undershoot_pct */
1041 200, /* rc_overshoot_pct */
1042
1043 6000, /* rc_max_buffer_size */
1044 4000, /* rc_buffer_initial_size; */
1045 5000, /* rc_buffer_optimal_size; */
1046
1047 50, /* rc_two_pass_vbrbias */
1048 0, /* rc_two_pass_vbrmin_section */
1049 400, /* rc_two_pass_vbrmax_section */
1050
1051 /* keyframing settings (kf) */
1052 VPX_KF_AUTO, /* g_kfmode*/
1053 0, /* kf_min_dist */
1054 9999, /* kf_max_dist */
1055
1056#if VPX_ENCODER_ABI_VERSION == (1 + VPX_CODEC_ABI_VERSION)
1057 1, /* g_delete_first_pass_file */
1058 "vp8.fpf" /* first pass filename */
1059#endif
1060 }},
1061 { -1, {NOT_IMPLEMENTED}}
1062};
1063
1064
1065#ifndef VERSION_STRING
1066#define VERSION_STRING
1067#endif
1068vpx_codec_iface_t vpx_codec_vp8_cx_algo =
1069{
1070 "vpx Technologies VP8 Encoder" VERSION_STRING,
1071 VPX_CODEC_INTERNAL_ABI_VERSION,
1072 VPX_CODEC_CAP_ENCODER | VPX_CODEC_CAP_PSNR,
1073 /* vpx_codec_caps_t caps; */
1074 vp8e_init, /* vpx_codec_init_fn_t init; */
1075 vp8e_destroy, /* vpx_codec_destroy_fn_t destroy; */
1076 vp8e_ctf_maps, /* vpx_codec_ctrl_fn_map_t *ctrl_maps; */
1077 NOT_IMPLEMENTED, /* vpx_codec_get_mmap_fn_t get_mmap; */
1078 NOT_IMPLEMENTED, /* vpx_codec_set_mmap_fn_t set_mmap; */
1079 {
1080 NOT_IMPLEMENTED, /* vpx_codec_peek_si_fn_t peek_si; */
1081 NOT_IMPLEMENTED, /* vpx_codec_get_si_fn_t get_si; */
1082 NOT_IMPLEMENTED, /* vpx_codec_decode_fn_t decode; */
1083 NOT_IMPLEMENTED, /* vpx_codec_frame_get_fn_t frame_get; */
1084 },
1085 {
1086 vp8e_usage_cfg_map, /* vpx_codec_enc_cfg_map_t peek_si; */
1087 vp8e_encode, /* vpx_codec_encode_fn_t encode; */
1088 vp8e_get_cxdata, /* vpx_codec_get_cx_data_fn_t frame_get; */
1089 vp8e_set_config,
1090 NOT_IMPLEMENTED,
1091 vp8e_get_preview,
1092 } /* encoder functions */
1093};
1094
1095
1096/*
1097 * BEGIN BACKWARDS COMPATIBILITY SHIM.
1098 */
1099#define FORCE_KEY 2
1100static vpx_codec_err_t api1_control(vpx_codec_alg_priv_t *ctx,
1101 int ctrl_id,
1102 va_list args)
1103{
1104 vpx_codec_ctrl_fn_map_t *entry;
1105
1106 switch (ctrl_id)
1107 {
1108 case VP8E_SET_FLUSHFLAG:
1109 /* VP8 sample code did VP8E_SET_FLUSHFLAG followed by
1110 * vpx_codec_get_cx_data() rather than vpx_codec_encode().
1111 */
1112 return vp8e_encode(ctx, NULL, 0, 0, 0, 0);
1113 case VP8E_SET_FRAMETYPE:
1114 ctx->base.enc.tbd |= FORCE_KEY;
1115 return VPX_CODEC_OK;
1116 }
1117
1118 for (entry = vp8e_ctf_maps; entry && entry->fn; entry++)
1119 {
1120 if (!entry->ctrl_id || entry->ctrl_id == ctrl_id)
1121 {
1122 return entry->fn(ctx, ctrl_id, args);
1123 }
1124 }
1125
1126 return VPX_CODEC_ERROR;
1127}
1128
1129
1130static vpx_codec_ctrl_fn_map_t api1_ctrl_maps[] =
1131{
1132 {0, api1_control},
1133 { -1, NULL}
1134};
1135
1136
1137static vpx_codec_err_t api1_encode(vpx_codec_alg_priv_t *ctx,
1138 const vpx_image_t *img,
1139 vpx_codec_pts_t pts,
1140 unsigned long duration,
1141 vpx_enc_frame_flags_t flags,
1142 unsigned long deadline)
1143{
1144 int force = ctx->base.enc.tbd;
1145
1146 ctx->base.enc.tbd = 0;
1147 return vp8e_encode
1148 (ctx,
1149 img,
1150 pts,
1151 duration,
1152 flags | ((force & FORCE_KEY) ? VPX_EFLAG_FORCE_KF : 0),
1153 deadline);
1154}
1155
1156
1157vpx_codec_iface_t vpx_enc_vp8_algo =
1158{
1159 "vpx Technologies VP8 Encoder (Deprecated API)" VERSION_STRING,
1160 VPX_CODEC_INTERNAL_ABI_VERSION,
1161 VPX_CODEC_CAP_ENCODER,
1162 /* vpx_codec_caps_t caps; */
1163 vp8e_init, /* vpx_codec_init_fn_t init; */
1164 vp8e_destroy, /* vpx_codec_destroy_fn_t destroy; */
1165 api1_ctrl_maps, /* vpx_codec_ctrl_fn_map_t *ctrl_maps; */
1166 NOT_IMPLEMENTED, /* vpx_codec_get_mmap_fn_t get_mmap; */
1167 NOT_IMPLEMENTED, /* vpx_codec_set_mmap_fn_t set_mmap; */
1168 {NOT_IMPLEMENTED}, /* decoder functions */
1169 {
1170 vp8e_usage_cfg_map, /* vpx_codec_enc_cfg_map_t peek_si; */
1171 api1_encode, /* vpx_codec_encode_fn_t encode; */
1172 vp8e_get_cxdata, /* vpx_codec_get_cx_data_fn_t frame_get; */
1173 vp8e_set_config,
1174 NOT_IMPLEMENTED,
1175 vp8e_get_preview,
1176 } /* encoder functions */
1177};