2 * Copyright (c) 2019 The WebM project authors. All Rights Reserved.
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.
12 #include "vp9/common/vp9_entropymode.h"
13 #include "vp9/common/vp9_enums.h"
14 #include "vp9/common/vp9_onyxc_int.h"
15 #include "vp9/vp9_iface_common.h"
16 #include "vp9/encoder/vp9_encoder.h"
17 #include "vp9/encoder/vp9_firstpass.h"
18 #include "vp9/simple_encode.h"
19 #include "vp9/vp9_cx_iface.h"
23 // TODO(angiebird): Merge this function with vpx_img_plane_width()
24 static int img_plane_width(const vpx_image_t *img, int plane) {
25 if (plane > 0 && img->x_chroma_shift > 0)
26 return (img->d_w + 1) >> img->x_chroma_shift;
31 // TODO(angiebird): Merge this function with vpx_img_plane_height()
32 static int img_plane_height(const vpx_image_t *img, int plane) {
33 if (plane > 0 && img->y_chroma_shift > 0)
34 return (img->d_h + 1) >> img->y_chroma_shift;
39 // TODO(angiebird): Merge this function with vpx_img_read()
40 static int img_read(vpx_image_t *img, FILE *file) {
43 for (plane = 0; plane < 3; ++plane) {
44 unsigned char *buf = img->planes[plane];
45 const int stride = img->stride[plane];
46 const int w = img_plane_width(img, plane) *
47 ((img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
48 const int h = img_plane_height(img, plane);
51 for (y = 0; y < h; ++y) {
52 if (fread(buf, 1, w, file) != (size_t)w) return 0;
60 class SimpleEncode::EncodeImpl {
63 vpx_img_fmt_t img_fmt;
65 std::vector<FIRSTPASS_STATS> first_pass_stats;
68 static VP9_COMP *init_encoder(const VP9EncoderConfig *oxcf,
69 vpx_img_fmt_t img_fmt) {
71 BufferPool *buffer_pool = (BufferPool *)vpx_calloc(1, sizeof(*buffer_pool));
73 cpi = vp9_create_compressor(oxcf, buffer_pool);
74 vp9_update_compressor_with_img_fmt(cpi, img_fmt);
78 static void free_encoder(VP9_COMP *cpi) {
79 BufferPool *buffer_pool = cpi->common.buffer_pool;
80 vp9_remove_compressor(cpi);
81 // buffer_pool needs to be free after cpi because buffer_pool contains
82 // allocated buffers that will be free in vp9_remove_compressor()
83 vpx_free(buffer_pool);
86 static INLINE vpx_rational_t make_vpx_rational(int num, int den) {
93 static INLINE FrameType
94 get_frame_type_from_update_type(FRAME_UPDATE_TYPE update_type) {
95 // TODO(angiebird): Figure out if we need frame type other than key frame,
96 // alternate reference and inter frame
97 switch (update_type) {
98 case KF_UPDATE: return kKeyFrame; break;
99 case ARF_UPDATE: return kAlternateReference; break;
100 default: return kInterFrame; break;
104 static void update_frame_counts(const FRAME_COUNTS *input_counts,
105 FrameCounts *output_counts) {
107 output_counts->y_mode.resize(BLOCK_SIZE_GROUPS);
108 for (int i = 0; i < BLOCK_SIZE_GROUPS; ++i) {
109 output_counts->y_mode[i].resize(INTRA_MODES);
112 output_counts->uv_mode.resize(INTRA_MODES);
113 for (int i = 0; i < INTRA_MODES; ++i) {
114 output_counts->uv_mode[i].resize(INTRA_MODES);
117 output_counts->partition.resize(PARTITION_CONTEXTS);
118 for (int i = 0; i < PARTITION_CONTEXTS; ++i) {
119 output_counts->partition[i].resize(PARTITION_TYPES);
122 output_counts->coef.resize(TX_SIZES);
123 output_counts->eob_branch.resize(TX_SIZES);
124 for (int i = 0; i < TX_SIZES; ++i) {
125 output_counts->coef[i].resize(PLANE_TYPES);
126 output_counts->eob_branch[i].resize(PLANE_TYPES);
127 for (int j = 0; j < PLANE_TYPES; ++j) {
128 output_counts->coef[i][j].resize(REF_TYPES);
129 output_counts->eob_branch[i][j].resize(REF_TYPES);
130 for (int k = 0; k < REF_TYPES; ++k) {
131 output_counts->coef[i][j][k].resize(COEF_BANDS);
132 output_counts->eob_branch[i][j][k].resize(COEF_BANDS);
133 for (int l = 0; l < COEF_BANDS; ++l) {
134 output_counts->coef[i][j][k][l].resize(COEFF_CONTEXTS);
135 output_counts->eob_branch[i][j][k][l].resize(COEFF_CONTEXTS);
136 for (int m = 0; m < COEFF_CONTEXTS; ++m) {
137 output_counts->coef[i][j][k][l][m].resize(UNCONSTRAINED_NODES + 1);
144 output_counts->switchable_interp.resize(SWITCHABLE_FILTER_CONTEXTS);
145 for (int i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i) {
146 output_counts->switchable_interp[i].resize(SWITCHABLE_FILTERS);
149 output_counts->inter_mode.resize(INTER_MODE_CONTEXTS);
150 for (int i = 0; i < INTER_MODE_CONTEXTS; ++i) {
151 output_counts->inter_mode[i].resize(INTER_MODES);
154 output_counts->intra_inter.resize(INTRA_INTER_CONTEXTS);
155 for (int i = 0; i < INTRA_INTER_CONTEXTS; ++i) {
156 output_counts->intra_inter[i].resize(2);
159 output_counts->comp_inter.resize(COMP_INTER_CONTEXTS);
160 for (int i = 0; i < COMP_INTER_CONTEXTS; ++i) {
161 output_counts->comp_inter[i].resize(2);
164 output_counts->single_ref.resize(REF_CONTEXTS);
165 for (int i = 0; i < REF_CONTEXTS; ++i) {
166 output_counts->single_ref[i].resize(2);
167 for (int j = 0; j < 2; ++j) {
168 output_counts->single_ref[i][j].resize(2);
172 output_counts->comp_ref.resize(REF_CONTEXTS);
173 for (int i = 0; i < REF_CONTEXTS; ++i) {
174 output_counts->comp_ref[i].resize(2);
177 output_counts->skip.resize(SKIP_CONTEXTS);
178 for (int i = 0; i < SKIP_CONTEXTS; ++i) {
179 output_counts->skip[i].resize(2);
182 output_counts->tx.p32x32.resize(TX_SIZE_CONTEXTS);
183 output_counts->tx.p16x16.resize(TX_SIZE_CONTEXTS);
184 output_counts->tx.p8x8.resize(TX_SIZE_CONTEXTS);
185 for (int i = 0; i < TX_SIZE_CONTEXTS; i++) {
186 output_counts->tx.p32x32[i].resize(TX_SIZES);
187 output_counts->tx.p16x16[i].resize(TX_SIZES - 1);
188 output_counts->tx.p8x8[i].resize(TX_SIZES - 2);
190 output_counts->tx.tx_totals.resize(TX_SIZES);
192 output_counts->mv.joints.resize(MV_JOINTS);
193 output_counts->mv.comps.resize(2);
194 for (int i = 0; i < 2; ++i) {
195 output_counts->mv.comps[i].sign.resize(2);
196 output_counts->mv.comps[i].classes.resize(MV_CLASSES);
197 output_counts->mv.comps[i].class0.resize(CLASS0_SIZE);
198 output_counts->mv.comps[i].bits.resize(MV_OFFSET_BITS);
199 for (int j = 0; j < MV_OFFSET_BITS; ++j) {
200 output_counts->mv.comps[i].bits[j].resize(2);
202 output_counts->mv.comps[i].class0_fp.resize(CLASS0_SIZE);
203 for (int j = 0; j < CLASS0_SIZE; ++j) {
204 output_counts->mv.comps[i].class0_fp[j].resize(MV_FP_SIZE);
206 output_counts->mv.comps[i].fp.resize(MV_FP_SIZE);
207 output_counts->mv.comps[i].class0_hp.resize(2);
208 output_counts->mv.comps[i].hp.resize(2);
212 for (int i = 0; i < BLOCK_SIZE_GROUPS; ++i) {
213 for (int j = 0; j < INTRA_MODES; ++j) {
214 output_counts->y_mode[i][j] = input_counts->y_mode[i][j];
217 for (int i = 0; i < INTRA_MODES; ++i) {
218 for (int j = 0; j < INTRA_MODES; ++j) {
219 output_counts->uv_mode[i][j] = input_counts->uv_mode[i][j];
222 for (int i = 0; i < PARTITION_CONTEXTS; ++i) {
223 for (int j = 0; j < PARTITION_TYPES; ++j) {
224 output_counts->partition[i][j] = input_counts->partition[i][j];
227 for (int i = 0; i < TX_SIZES; ++i) {
228 for (int j = 0; j < PLANE_TYPES; ++j) {
229 for (int k = 0; k < REF_TYPES; ++k) {
230 for (int l = 0; l < COEF_BANDS; ++l) {
231 for (int m = 0; m < COEFF_CONTEXTS; ++m) {
232 output_counts->eob_branch[i][j][k][l][m] =
233 input_counts->eob_branch[i][j][k][l][m];
234 for (int n = 0; n < UNCONSTRAINED_NODES + 1; n++) {
235 output_counts->coef[i][j][k][l][m][n] =
236 input_counts->coef[i][j][k][l][m][n];
243 for (int i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i) {
244 for (int j = 0; j < SWITCHABLE_FILTERS; ++j) {
245 output_counts->switchable_interp[i][j] =
246 input_counts->switchable_interp[i][j];
249 for (int i = 0; i < INTER_MODE_CONTEXTS; ++i) {
250 for (int j = 0; j < INTER_MODES; ++j) {
251 output_counts->inter_mode[i][j] = input_counts->inter_mode[i][j];
254 for (int i = 0; i < INTRA_INTER_CONTEXTS; ++i) {
255 for (int j = 0; j < 2; ++j) {
256 output_counts->intra_inter[i][j] = input_counts->intra_inter[i][j];
259 for (int i = 0; i < COMP_INTER_CONTEXTS; ++i) {
260 for (int j = 0; j < 2; ++j) {
261 output_counts->comp_inter[i][j] = input_counts->comp_inter[i][j];
264 for (int i = 0; i < REF_CONTEXTS; ++i) {
265 for (int j = 0; j < 2; ++j) {
266 for (int k = 0; k < 2; ++k) {
267 output_counts->single_ref[i][j][k] = input_counts->single_ref[i][j][k];
271 for (int i = 0; i < REF_CONTEXTS; ++i) {
272 for (int j = 0; j < 2; ++j) {
273 output_counts->comp_ref[i][j] = input_counts->comp_ref[i][j];
276 for (int i = 0; i < SKIP_CONTEXTS; ++i) {
277 for (int j = 0; j < 2; ++j) {
278 output_counts->skip[i][j] = input_counts->skip[i][j];
281 for (int i = 0; i < TX_SIZE_CONTEXTS; i++) {
282 for (int j = 0; j < TX_SIZES; j++) {
283 output_counts->tx.p32x32[i][j] = input_counts->tx.p32x32[i][j];
285 for (int j = 0; j < TX_SIZES - 1; j++) {
286 output_counts->tx.p16x16[i][j] = input_counts->tx.p16x16[i][j];
288 for (int j = 0; j < TX_SIZES - 2; j++) {
289 output_counts->tx.p8x8[i][j] = input_counts->tx.p8x8[i][j];
292 for (int i = 0; i < TX_SIZES; i++) {
293 output_counts->tx.tx_totals[i] = input_counts->tx.tx_totals[i];
295 for (int i = 0; i < MV_JOINTS; i++) {
296 output_counts->mv.joints[i] = input_counts->mv.joints[i];
298 for (int k = 0; k < 2; k++) {
299 const nmv_component_counts *const comps_t = &input_counts->mv.comps[k];
300 for (int i = 0; i < 2; i++) {
301 output_counts->mv.comps[k].sign[i] = comps_t->sign[i];
302 output_counts->mv.comps[k].class0_hp[i] = comps_t->class0_hp[i];
303 output_counts->mv.comps[k].hp[i] = comps_t->hp[i];
305 for (int i = 0; i < MV_CLASSES; i++) {
306 output_counts->mv.comps[k].classes[i] = comps_t->classes[i];
308 for (int i = 0; i < CLASS0_SIZE; i++) {
309 output_counts->mv.comps[k].class0[i] = comps_t->class0[i];
310 for (int j = 0; j < MV_FP_SIZE; j++) {
311 output_counts->mv.comps[k].class0_fp[i][j] = comps_t->class0_fp[i][j];
314 for (int i = 0; i < MV_OFFSET_BITS; i++) {
315 for (int j = 0; j < 2; j++) {
316 output_counts->mv.comps[k].bits[i][j] = comps_t->bits[i][j];
319 for (int i = 0; i < MV_FP_SIZE; i++) {
320 output_counts->mv.comps[k].fp[i] = comps_t->fp[i];
325 static void update_encode_frame_result(
326 EncodeFrameResult *encode_frame_result,
327 const ENCODE_FRAME_RESULT *encode_frame_info) {
328 encode_frame_result->coding_data_bit_size =
329 encode_frame_result->coding_data_byte_size * 8;
330 encode_frame_result->show_idx = encode_frame_info->show_idx;
331 encode_frame_result->frame_type =
332 get_frame_type_from_update_type(encode_frame_info->update_type);
333 encode_frame_result->psnr = encode_frame_info->psnr;
334 encode_frame_result->sse = encode_frame_info->sse;
335 encode_frame_result->quantize_index = encode_frame_info->quantize_index;
336 update_frame_counts(&encode_frame_info->frame_counts,
337 &encode_frame_result->frame_counts);
340 static void IncreaseGroupOfPictureIndex(GroupOfPicture *group_of_picture) {
341 ++group_of_picture->next_encode_frame_index;
344 static int IsGroupOfPictureFinished(const GroupOfPicture &group_of_picture) {
345 return static_cast<size_t>(group_of_picture.next_encode_frame_index) ==
346 group_of_picture.encode_frame_list.size();
349 static void SetGroupOfPicture(int first_is_key_frame, int use_alt_ref,
350 int coding_frame_count, int first_show_idx,
351 GroupOfPicture *group_of_picture) {
352 // Clean up the state of previous group of picture.
353 group_of_picture->encode_frame_list.clear();
354 group_of_picture->next_encode_frame_index = 0;
355 group_of_picture->show_frame_count = coding_frame_count - use_alt_ref;
356 group_of_picture->start_show_index = first_show_idx;
358 // First frame in the group of pictures. It's either key frame or show inter
360 EncodeFrameInfo encode_frame_info;
361 if (first_is_key_frame) {
362 encode_frame_info.frame_type = kKeyFrame;
364 encode_frame_info.frame_type = kInterFrame;
366 encode_frame_info.show_idx = first_show_idx;
367 group_of_picture->encode_frame_list.push_back(encode_frame_info);
370 const int show_frame_count = coding_frame_count - use_alt_ref;
372 // If there is alternate reference, it is always coded at the second place.
373 // Its show index (or timestamp) is at the last of this group
374 EncodeFrameInfo encode_frame_info;
375 encode_frame_info.frame_type = kAlternateReference;
376 encode_frame_info.show_idx = first_show_idx + show_frame_count;
377 group_of_picture->encode_frame_list.push_back(encode_frame_info);
380 // Encode the rest show inter frames.
381 for (int i = 1; i < show_frame_count; ++i) {
382 EncodeFrameInfo encode_frame_info;
383 encode_frame_info.frame_type = kInterFrame;
384 encode_frame_info.show_idx = first_show_idx + i;
385 group_of_picture->encode_frame_list.push_back(encode_frame_info);
389 static void UpdateGroupOfPicture(const VP9_COMP *cpi,
390 GroupOfPicture *group_of_picture) {
391 int first_is_key_frame;
393 int coding_frame_count;
395 vp9_get_next_group_of_picture(cpi, &first_is_key_frame, &use_alt_ref,
396 &coding_frame_count, &first_show_idx);
397 SetGroupOfPicture(first_is_key_frame, use_alt_ref, coding_frame_count,
398 first_show_idx, group_of_picture);
401 SimpleEncode::SimpleEncode(int frame_width, int frame_height,
402 int frame_rate_num, int frame_rate_den,
403 int target_bitrate, int num_frames,
404 const char *infile_path) {
405 impl_ptr_ = std::unique_ptr<EncodeImpl>(new EncodeImpl());
406 frame_width_ = frame_width;
407 frame_height_ = frame_height;
408 frame_rate_num_ = frame_rate_num;
409 frame_rate_den_ = frame_rate_den;
410 target_bitrate_ = target_bitrate;
411 num_frames_ = num_frames;
412 // TODO(angirbid): Should we keep a file pointer here or keep the file_path?
413 file_ = fopen(infile_path, "r");
414 impl_ptr_->cpi = NULL;
415 impl_ptr_->img_fmt = VPX_IMG_FMT_I420;
418 void SimpleEncode::ComputeFirstPassStats() {
419 vpx_rational_t frame_rate =
420 make_vpx_rational(frame_rate_num_, frame_rate_den_);
421 const VP9EncoderConfig oxcf =
422 vp9_get_encoder_config(frame_width_, frame_height_, frame_rate,
423 target_bitrate_, VPX_RC_FIRST_PASS);
424 VP9_COMP *cpi = init_encoder(&oxcf, impl_ptr_->img_fmt);
425 struct lookahead_ctx *lookahead = cpi->lookahead;
427 int use_highbitdepth = 0;
428 #if CONFIG_VP9_HIGHBITDEPTH
429 use_highbitdepth = cpi->common.use_highbitdepth;
432 vpx_img_alloc(&img, impl_ptr_->img_fmt, frame_width_, frame_height_, 1);
434 impl_ptr_->first_pass_stats.clear();
435 for (i = 0; i < num_frames_; ++i) {
436 assert(!vp9_lookahead_full(lookahead));
437 if (img_read(&img, file_)) {
438 int next_show_idx = vp9_lookahead_next_show_idx(lookahead);
440 timebase_units_to_ticks(&oxcf.g_timebase_in_ts, next_show_idx);
442 timebase_units_to_ticks(&oxcf.g_timebase_in_ts, next_show_idx + 1);
443 YV12_BUFFER_CONFIG sd;
444 image2yuvconfig(&img, &sd);
445 vp9_lookahead_push(lookahead, &sd, ts_start, ts_end, use_highbitdepth, 0);
449 int flush = 1; // Makes vp9_get_compressed_data process a frame
451 unsigned int frame_flags = 0;
452 ENCODE_FRAME_RESULT encode_frame_info;
453 // TODO(angiebird): Call vp9_first_pass directly
454 vp9_get_compressed_data(cpi, &frame_flags, &size, NULL, &time_stamp,
455 &time_end, flush, &encode_frame_info);
456 // vp9_get_compressed_data only generates first pass stats not
460 impl_ptr_->first_pass_stats.push_back(vp9_get_frame_stats(&cpi->twopass));
463 vp9_end_first_pass(cpi);
464 // TODO(angiebird): Store the total_stats apart form first_pass_stats
465 impl_ptr_->first_pass_stats.push_back(vp9_get_total_stats(&cpi->twopass));
471 std::vector<std::vector<double>> SimpleEncode::ObserveFirstPassStats() {
472 std::vector<std::vector<double>> output_stats;
473 // TODO(angiebird): This function make several assumptions of
474 // FIRSTPASS_STATS. 1) All elements in FIRSTPASS_STATS are double except the
475 // last one. 2) The last entry of first_pass_stats is the total_stats.
476 // Change the code structure, so that we don't have to make these assumptions
478 // Note the last entry of first_pass_stats is the total_stats, we don't need
480 for (size_t i = 0; i < impl_ptr_->first_pass_stats.size() - 1; ++i) {
482 reinterpret_cast<double *>(&impl_ptr_->first_pass_stats[i]);
483 // We use - 1 here because the last member in FIRSTPASS_STATS is not double
485 buf_start + sizeof(impl_ptr_->first_pass_stats[i]) / sizeof(*buf_end) -
487 std::vector<double> this_stats(buf_start, buf_end);
488 output_stats.push_back(this_stats);
493 void SimpleEncode::StartEncode() {
494 assert(impl_ptr_->first_pass_stats.size() > 0);
495 vpx_rational_t frame_rate =
496 make_vpx_rational(frame_rate_num_, frame_rate_den_);
497 VP9EncoderConfig oxcf =
498 vp9_get_encoder_config(frame_width_, frame_height_, frame_rate,
499 target_bitrate_, VPX_RC_LAST_PASS);
500 vpx_fixed_buf_t stats;
501 stats.buf = impl_ptr_->first_pass_stats.data();
502 stats.sz = sizeof(impl_ptr_->first_pass_stats[0]) *
503 impl_ptr_->first_pass_stats.size();
505 vp9_set_first_pass_stats(&oxcf, &stats);
506 assert(impl_ptr_->cpi == NULL);
507 impl_ptr_->cpi = init_encoder(&oxcf, impl_ptr_->img_fmt);
508 vpx_img_alloc(&impl_ptr_->tmp_img, impl_ptr_->img_fmt, frame_width_,
510 UpdateGroupOfPicture(impl_ptr_->cpi, &group_of_picture_);
514 void SimpleEncode::EndEncode() {
515 free_encoder(impl_ptr_->cpi);
516 impl_ptr_->cpi = nullptr;
517 vpx_img_free(&impl_ptr_->tmp_img);
521 int SimpleEncode::GetKeyFrameGroupSize(int key_frame_index) const {
522 const VP9_COMP *cpi = impl_ptr_->cpi;
523 return vp9_get_frames_to_next_key(&cpi->oxcf, &cpi->frame_info,
524 &cpi->twopass.first_pass_info,
525 key_frame_index, cpi->rc.min_gf_interval);
528 GroupOfPicture SimpleEncode::ObserveGroupOfPicture() const {
529 return group_of_picture_;
532 EncodeFrameInfo SimpleEncode::GetNextEncodeFrameInfo() const {
533 return group_of_picture_
534 .encode_frame_list[group_of_picture_.next_encode_frame_index];
537 void SimpleEncode::EncodeFrame(EncodeFrameResult *encode_frame_result) {
538 VP9_COMP *cpi = impl_ptr_->cpi;
539 struct lookahead_ctx *lookahead = cpi->lookahead;
540 int use_highbitdepth = 0;
541 #if CONFIG_VP9_HIGHBITDEPTH
542 use_highbitdepth = cpi->common.use_highbitdepth;
544 // The lookahead's size is set to oxcf->lag_in_frames.
545 // We want to fill lookahead to it's max capacity if possible so that the
546 // encoder can construct alt ref frame in time.
547 // In the other words, we hope vp9_get_compressed_data to encode a frame
548 // every time in the function
549 while (!vp9_lookahead_full(lookahead)) {
550 // TODO(angiebird): Check whether we can move this file read logics to
552 if (img_read(&impl_ptr_->tmp_img, file_)) {
553 int next_show_idx = vp9_lookahead_next_show_idx(lookahead);
555 timebase_units_to_ticks(&cpi->oxcf.g_timebase_in_ts, next_show_idx);
556 int64_t ts_end = timebase_units_to_ticks(&cpi->oxcf.g_timebase_in_ts,
558 YV12_BUFFER_CONFIG sd;
559 image2yuvconfig(&impl_ptr_->tmp_img, &sd);
560 vp9_lookahead_push(lookahead, &sd, ts_start, ts_end, use_highbitdepth, 0);
565 assert(encode_frame_result->coding_data.get() == nullptr);
566 const size_t max_coding_data_byte_size = frame_width_ * frame_height_ * 3;
567 encode_frame_result->coding_data = std::move(
568 std::unique_ptr<uint8_t[]>(new uint8_t[max_coding_data_byte_size]));
571 int flush = 1; // Make vp9_get_compressed_data encode a frame
572 unsigned int frame_flags = 0;
573 ENCODE_FRAME_RESULT encode_frame_info;
574 vp9_get_compressed_data(cpi, &frame_flags,
575 &encode_frame_result->coding_data_byte_size,
576 encode_frame_result->coding_data.get(), &time_stamp,
577 &time_end, flush, &encode_frame_info);
578 // vp9_get_compressed_data is expected to encode a frame every time, so the
579 // data size should be greater than zero.
580 assert(encode_frame_result->coding_data_byte_size > 0);
581 assert(encode_frame_result->coding_data_byte_size <
582 max_coding_data_byte_size);
584 update_encode_frame_result(encode_frame_result, &encode_frame_info);
585 IncreaseGroupOfPictureIndex(&group_of_picture_);
586 if (IsGroupOfPictureFinished(group_of_picture_)) {
587 UpdateGroupOfPicture(impl_ptr_->cpi, &group_of_picture_);
591 void SimpleEncode::EncodeFrameWithQuantizeIndex(
592 EncodeFrameResult *encode_frame_result, int quantize_index) {
593 encode_command_set_external_quantize_index(&impl_ptr_->cpi->encode_command,
595 EncodeFrame(encode_frame_result);
596 encode_command_reset_external_quantize_index(&impl_ptr_->cpi->encode_command);
599 int SimpleEncode::GetCodingFrameNum() const {
600 assert(impl_ptr_->first_pass_stats.size() - 1 > 0);
601 // These are the default settings for now.
602 const int multi_layer_arf = 0;
603 const int allow_alt_ref = 1;
604 vpx_rational_t frame_rate =
605 make_vpx_rational(frame_rate_num_, frame_rate_den_);
606 const VP9EncoderConfig oxcf =
607 vp9_get_encoder_config(frame_width_, frame_height_, frame_rate,
608 target_bitrate_, VPX_RC_LAST_PASS);
609 FRAME_INFO frame_info = vp9_get_frame_info(&oxcf);
610 FIRST_PASS_INFO first_pass_info;
611 fps_init_first_pass_info(&first_pass_info, impl_ptr_->first_pass_stats.data(),
613 return vp9_get_coding_frame_num(&oxcf, &frame_info, &first_pass_info,
614 multi_layer_arf, allow_alt_ref);
617 uint64_t SimpleEncode::GetFramePixelCount() const {
618 assert(frame_width_ % 2 == 0);
619 assert(frame_height_ % 2 == 0);
620 switch (impl_ptr_->img_fmt) {
621 case VPX_IMG_FMT_I420: return frame_width_ * frame_height_ * 3 / 2;
622 case VPX_IMG_FMT_I422: return frame_width_ * frame_height_ * 2;
623 case VPX_IMG_FMT_I444: return frame_width_ * frame_height_ * 3;
624 case VPX_IMG_FMT_I440: return frame_width_ * frame_height_ * 2;
625 case VPX_IMG_FMT_I42016: return frame_width_ * frame_height_ * 3 / 2;
626 case VPX_IMG_FMT_I42216: return frame_width_ * frame_height_ * 2;
627 case VPX_IMG_FMT_I44416: return frame_width_ * frame_height_ * 3;
628 case VPX_IMG_FMT_I44016: return frame_width_ * frame_height_ * 2;
633 SimpleEncode::~SimpleEncode() {
634 if (this->file_ != NULL) {