24#include "common/args.h"
25#include "common/tools_common.h"
26#include "common/video_writer.h"
27#include "examples/encoder_util.h"
28#include "aom_ports/aom_timer.h"
30#define OPTION_BUFFER_SIZE 1024
33 const char *output_filename;
34 char options[OPTION_BUFFER_SIZE];
35 struct AvxInputContext input_ctx;
50static const arg_def_t outputfile =
51 ARG_DEF(
"o",
"output", 1,
"Output filename");
52static const arg_def_t frames_arg =
53 ARG_DEF(
"f",
"frames", 1,
"Number of frames to encode");
54static const arg_def_t threads_arg =
55 ARG_DEF(
"th",
"threads", 1,
"Number of threads to use");
56static const arg_def_t width_arg = ARG_DEF(
"w",
"width", 1,
"Source width");
57static const arg_def_t height_arg = ARG_DEF(
"h",
"height", 1,
"Source height");
58static const arg_def_t timebase_arg =
59 ARG_DEF(
"t",
"timebase", 1,
"Timebase (num/den)");
60static const arg_def_t bitrate_arg = ARG_DEF(
61 "b",
"target-bitrate", 1,
"Encoding bitrate, in kilobits per second");
62static const arg_def_t spatial_layers_arg =
63 ARG_DEF(
"sl",
"spatial-layers", 1,
"Number of spatial SVC layers");
64static const arg_def_t temporal_layers_arg =
65 ARG_DEF(
"tl",
"temporal-layers", 1,
"Number of temporal SVC layers");
66static const arg_def_t layering_mode_arg =
67 ARG_DEF(
"lm",
"layering-mode", 1,
"Temporal layering scheme.");
68static const arg_def_t kf_dist_arg =
69 ARG_DEF(
"k",
"kf-dist", 1,
"Number of frames between keyframes");
70static const arg_def_t scale_factors_arg =
71 ARG_DEF(
"r",
"scale-factors", 1,
"Scale factors (lowest to highest layer)");
72static const arg_def_t min_q_arg =
73 ARG_DEF(NULL,
"min-q", 1,
"Minimum quantizer");
74static const arg_def_t max_q_arg =
75 ARG_DEF(NULL,
"max-q", 1,
"Maximum quantizer");
76static const arg_def_t speed_arg =
77 ARG_DEF(
"sp",
"speed", 1,
"Speed configuration");
78static const arg_def_t aqmode_arg =
79 ARG_DEF(
"aq",
"aqmode", 1,
"AQ mode off/on");
80static const arg_def_t bitrates_arg =
81 ARG_DEF(
"bl",
"bitrates", 1,
82 "Bitrates[spatial_layer * num_temporal_layer + temporal_layer]");
83static const arg_def_t dropframe_thresh_arg =
84 ARG_DEF(NULL,
"drop-frame", 1,
"Temporal resampling threshold (buf %)");
85static const arg_def_t error_resilient_arg =
86 ARG_DEF(NULL,
"error-resilient", 1,
"Error resilient flag");
87static const arg_def_t output_obu_arg =
88 ARG_DEF(NULL,
"output-obu", 1,
89 "Write OBUs when set to 1. Otherwise write IVF files.");
91#if CONFIG_AV1_HIGHBITDEPTH
92static const struct arg_enum_list bitdepth_enum[] = {
96static const arg_def_t bitdepth_arg = ARG_DEF_ENUM(
97 "d",
"bit-depth", 1,
"Bit depth for codec 8, 10 or 12. ", bitdepth_enum);
100static const arg_def_t *svc_args[] = {
101 &frames_arg, &outputfile, &width_arg,
102 &height_arg, &timebase_arg, &bitrate_arg,
103 &spatial_layers_arg, &kf_dist_arg, &scale_factors_arg,
104 &min_q_arg, &max_q_arg, &temporal_layers_arg,
105 &layering_mode_arg, &threads_arg, &aqmode_arg,
106#if CONFIG_AV1_HIGHBITDEPTH
109 &speed_arg, &bitrates_arg, &dropframe_thresh_arg,
110 &error_resilient_arg, &output_obu_arg, NULL
113#define zero(Dest) memset(&(Dest), 0, sizeof(Dest))
115static const char *exec_name;
117void usage_exit(
void) {
118 fprintf(stderr,
"Usage: %s <options> input_filename -o output_filename\n",
120 fprintf(stderr,
"Options:\n");
121 arg_show_usage(stderr, svc_args);
125static int file_is_y4m(
const char detect[4]) {
126 return memcmp(detect,
"YUV4", 4) == 0;
129static int fourcc_is_ivf(
const char detect[4]) {
130 if (memcmp(detect,
"DKIF", 4) == 0) {
136static const int option_max_values[ALL_OPTION_TYPES] = { 63, INT_MAX, INT_MAX,
139static const int option_min_values[ALL_OPTION_TYPES] = { 0, 0, 1, 0 };
141static void open_input_file(
struct AvxInputContext *input,
144 input->file = strcmp(input->filename,
"-") ? fopen(input->filename,
"rb")
145 : set_binary_mode(stdin);
147 if (!input->file) fatal(
"Failed to open input file");
149 if (!fseeko(input->file, 0, SEEK_END)) {
153 input->length = ftello(input->file);
158 input->pixel_aspect_ratio.numerator = 1;
159 input->pixel_aspect_ratio.denominator = 1;
164 input->detect.buf_read = fread(input->detect.buf, 1, 4, input->file);
165 input->detect.position = 0;
167 if (input->detect.buf_read == 4 && file_is_y4m(input->detect.buf)) {
168 if (y4m_input_open(&input->y4m, input->file, input->detect.buf, 4, csp,
169 input->only_i420) >= 0) {
170 input->file_type = FILE_TYPE_Y4M;
171 input->width = input->y4m.pic_w;
172 input->height = input->y4m.pic_h;
173 input->pixel_aspect_ratio.numerator = input->y4m.par_n;
174 input->pixel_aspect_ratio.denominator = input->y4m.par_d;
175 input->framerate.numerator = input->y4m.fps_n;
176 input->framerate.denominator = input->y4m.fps_d;
177 input->fmt = input->y4m.aom_fmt;
178 input->bit_depth = input->y4m.bit_depth;
180 fatal(
"Unsupported Y4M stream.");
182 }
else if (input->detect.buf_read == 4 && fourcc_is_ivf(input->detect.buf)) {
183 fatal(
"IVF is not supported as input.");
185 input->file_type = FILE_TYPE_RAW;
189static aom_codec_err_t extract_option(LAYER_OPTION_TYPE type,
char *input,
190 int *value0,
int *value1) {
191 if (type == SCALE_FACTOR) {
192 *value0 = (int)strtol(input, &input, 10);
194 *value1 = (int)strtol(input, &input, 10);
196 if (*value0 < option_min_values[SCALE_FACTOR] ||
197 *value1 < option_min_values[SCALE_FACTOR] ||
198 *value0 > option_max_values[SCALE_FACTOR] ||
199 *value1 > option_max_values[SCALE_FACTOR] ||
203 *value0 = atoi(input);
204 if (*value0 < option_min_values[type] || *value0 > option_max_values[type])
212 int *option0,
int *option1) {
216 const char *delim =
",";
224 if (input == NULL || option0 == NULL ||
225 (option1 == NULL && type == SCALE_FACTOR))
228 input_string = malloc(strlen(input));
229 if (!input_string) die(
"Failed to allocate input string.");
230 memcpy(input_string, input, strlen(input));
232 token = strtok(input_string, delim);
233 for (i = 0; i < num_layers; ++i) {
235 res = extract_option(type, token, option0 + i, option1 + i);
237 token = strtok(NULL, delim);
249static void parse_command_line(
int argc,
const char **argv_,
257 char string_options[1024] = { 0 };
262 app_input->layering_mode = 0;
263 app_input->output_obu = 0;
268 argv = argv_dup(argc - 1, argv_ + 1);
270 fprintf(stderr,
"Error allocating argument list\n");
273 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
276 if (arg_match(&arg, &outputfile, argi)) {
277 app_input->output_filename = arg.val;
278 }
else if (arg_match(&arg, &width_arg, argi)) {
279 enc_cfg->
g_w = arg_parse_uint(&arg);
280 }
else if (arg_match(&arg, &height_arg, argi)) {
281 enc_cfg->
g_h = arg_parse_uint(&arg);
282 }
else if (arg_match(&arg, &timebase_arg, argi)) {
283 enc_cfg->
g_timebase = arg_parse_rational(&arg);
284 }
else if (arg_match(&arg, &bitrate_arg, argi)) {
286 }
else if (arg_match(&arg, &spatial_layers_arg, argi)) {
288 }
else if (arg_match(&arg, &temporal_layers_arg, argi)) {
290 }
else if (arg_match(&arg, &speed_arg, argi)) {
291 app_input->speed = arg_parse_uint(&arg);
292 if (app_input->speed > 10) {
293 aom_tools_warn(
"Mapping speed %d to speed 10.\n", app_input->speed);
295 }
else if (arg_match(&arg, &aqmode_arg, argi)) {
296 app_input->aq_mode = arg_parse_uint(&arg);
297 }
else if (arg_match(&arg, &threads_arg, argi)) {
298 enc_cfg->
g_threads = arg_parse_uint(&arg);
299 }
else if (arg_match(&arg, &layering_mode_arg, argi)) {
300 app_input->layering_mode = arg_parse_int(&arg);
301 }
else if (arg_match(&arg, &kf_dist_arg, argi)) {
304 }
else if (arg_match(&arg, &scale_factors_arg, argi)) {
305 parse_layer_options_from_string(svc_params, SCALE_FACTOR, arg.val,
308 }
else if (arg_match(&arg, &min_q_arg, argi)) {
310 }
else if (arg_match(&arg, &max_q_arg, argi)) {
312#if CONFIG_AV1_HIGHBITDEPTH
313 }
else if (arg_match(&arg, &bitdepth_arg, argi)) {
314 enc_cfg->
g_bit_depth = arg_parse_enum_or_int(&arg);
329 die(
"Error: Invalid bit depth selected (%d)\n", enc_cfg->
g_bit_depth);
333 }
else if (arg_match(&arg, &dropframe_thresh_arg, argi)) {
335 }
else if (arg_match(&arg, &error_resilient_arg, argi)) {
338 die(
"Invalid value for error resilient (0, 1): %d.",
340 }
else if (arg_match(&arg, &output_obu_arg, argi)) {
341 app_input->output_obu = arg_parse_uint(&arg);
342 if (app_input->output_obu != 0 && app_input->output_obu != 1)
343 die(
"Invalid value for obu output flag (0, 1): %d.",
344 app_input->output_obu);
351 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
353 if (arg_match(&arg, &bitrates_arg, argi)) {
354 parse_layer_options_from_string(svc_params, BITRATE, arg.val,
362 if (strlen(string_options) > 0)
363 strncpy(app_input->options, string_options, OPTION_BUFFER_SIZE);
366 for (argi = argv; *argi; ++argi)
367 if (argi[0][0] ==
'-' && strlen(argi[0]) > 1)
368 die(
"Error: Unrecognized option %s\n", *argi);
370 if (argv[0] == NULL) {
374 app_input->input_ctx.filename = argv[0];
377 open_input_file(&app_input->input_ctx, 0);
378 if (app_input->input_ctx.file_type == FILE_TYPE_Y4M) {
379 enc_cfg->
g_w = app_input->input_ctx.width;
380 enc_cfg->
g_h = app_input->input_ctx.height;
383 if (enc_cfg->
g_w < 16 || enc_cfg->
g_w % 2 || enc_cfg->
g_h < 16 ||
385 die(
"Invalid resolution: %d x %d\n", enc_cfg->
g_w, enc_cfg->
g_h);
390 "width %u, height: %u\n"
391 "num: %d, den: %d, bitrate: %u\n"
399static unsigned int mode_to_num_temporal_layers[11] = { 1, 2, 3, 3, 2, 1,
401static unsigned int mode_to_num_spatial_layers[11] = { 1, 1, 1, 1, 1, 2,
405struct RateControlMetrics {
422 double avg_st_encoding_bitrate;
424 double variance_st_encoding_bitrate;
443static int read_frame(
struct AvxInputContext *input_ctx,
aom_image_t *img) {
444 FILE *f = input_ctx->file;
445 y4m_input *y4m = &input_ctx->y4m;
448 if (input_ctx->file_type == FILE_TYPE_Y4M) {
449 if (y4m_input_fetch_frame(y4m, f, img) < 1)
return 0;
451 shortread = read_yuv_frame(input_ctx, img);
457static void close_input_file(
struct AvxInputContext *input) {
459 if (input->file_type == FILE_TYPE_Y4M) y4m_input_close(&input->y4m);
468static void set_rate_control_metrics(
struct RateControlMetrics *rc,
470 unsigned int ss_number_layers,
471 unsigned int ts_number_layers) {
473 ts_rate_decimator[0] = 1;
474 if (ts_number_layers == 2) {
475 ts_rate_decimator[0] = 2;
476 ts_rate_decimator[1] = 1;
478 if (ts_number_layers == 3) {
479 ts_rate_decimator[0] = 4;
480 ts_rate_decimator[1] = 2;
481 ts_rate_decimator[2] = 1;
485 for (
unsigned int sl = 0; sl < ss_number_layers; ++sl) {
486 unsigned int i = sl * ts_number_layers;
487 rc->layer_framerate[0] = framerate / ts_rate_decimator[0];
489 1000.0 * rc->layer_target_bitrate[i] / rc->layer_framerate[0];
490 for (
unsigned int tl = 0; tl < ts_number_layers; ++tl) {
491 i = sl * ts_number_layers + tl;
493 rc->layer_framerate[tl] = framerate / ts_rate_decimator[tl];
496 (rc->layer_target_bitrate[i] - rc->layer_target_bitrate[i - 1]) /
497 (rc->layer_framerate[tl] - rc->layer_framerate[tl - 1]);
499 rc->layer_input_frames[tl] = 0;
500 rc->layer_enc_frames[tl] = 0;
501 rc->layer_encoding_bitrate[i] = 0.0;
502 rc->layer_avg_frame_size[i] = 0.0;
503 rc->layer_avg_rate_mismatch[i] = 0.0;
506 rc->window_count = 0;
507 rc->window_size = 15;
508 rc->avg_st_encoding_bitrate = 0.0;
509 rc->variance_st_encoding_bitrate = 0.0;
512static void printout_rate_control_summary(
struct RateControlMetrics *rc,
514 unsigned int ss_number_layers,
515 unsigned int ts_number_layers) {
516 int tot_num_frames = 0;
517 double perc_fluctuation = 0.0;
518 printf(
"Total number of processed frames: %d\n\n", frame_cnt - 1);
519 printf(
"Rate control layer stats for %u layer(s):\n\n", ts_number_layers);
520 for (
unsigned int sl = 0; sl < ss_number_layers; ++sl) {
522 for (
unsigned int tl = 0; tl < ts_number_layers; ++tl) {
523 unsigned int i = sl * ts_number_layers + tl;
524 const int num_dropped =
525 tl > 0 ? rc->layer_input_frames[tl] - rc->layer_enc_frames[tl]
526 : rc->layer_input_frames[tl] - rc->layer_enc_frames[tl] - 1;
527 tot_num_frames += rc->layer_input_frames[tl];
528 rc->layer_encoding_bitrate[i] = 0.001 * rc->layer_framerate[tl] *
529 rc->layer_encoding_bitrate[i] /
531 rc->layer_avg_frame_size[i] =
532 rc->layer_avg_frame_size[i] / rc->layer_enc_frames[tl];
533 rc->layer_avg_rate_mismatch[i] =
534 100.0 * rc->layer_avg_rate_mismatch[i] / rc->layer_enc_frames[tl];
535 printf(
"For layer#: %u %u \n", sl, tl);
536 printf(
"Bitrate (target vs actual): %d %f\n", rc->layer_target_bitrate[i],
537 rc->layer_encoding_bitrate[i]);
538 printf(
"Average frame size (target vs actual): %f %f\n", rc->layer_pfb[i],
539 rc->layer_avg_frame_size[i]);
540 printf(
"Average rate_mismatch: %f\n", rc->layer_avg_rate_mismatch[i]);
542 "Number of input frames, encoded (non-key) frames, "
543 "and perc dropped frames: %d %d %f\n",
544 rc->layer_input_frames[tl], rc->layer_enc_frames[tl],
545 100.0 * num_dropped / rc->layer_input_frames[tl]);
549 rc->avg_st_encoding_bitrate = rc->avg_st_encoding_bitrate / rc->window_count;
550 rc->variance_st_encoding_bitrate =
551 rc->variance_st_encoding_bitrate / rc->window_count -
552 (rc->avg_st_encoding_bitrate * rc->avg_st_encoding_bitrate);
553 perc_fluctuation = 100.0 * sqrt(rc->variance_st_encoding_bitrate) /
554 rc->avg_st_encoding_bitrate;
555 printf(
"Short-time stats, for window of %d frames:\n", rc->window_size);
556 printf(
"Average, rms-variance, and percent-fluct: %f %f %f\n",
557 rc->avg_st_encoding_bitrate, sqrt(rc->variance_st_encoding_bitrate),
559 if (frame_cnt - 1 != tot_num_frames)
560 die(
"Error: Number of input frames not equal to output!\n");
564static void set_layer_pattern(
568 int spatial_layer_id,
int is_key_frame,
int ksvc_mode,
int speed) {
570 int enable_longterm_temporal_ref = 1;
571 int shift = (layering_mode == 8) ? 2 : 0;
572 *use_svc_control = 1;
575 int base_count = superframe_cnt >> 2;
582 for (i = 0; i < INTER_REFS_PER_FRAME; i++) ref_frame_config->
ref_idx[i] = i;
583 for (i = 0; i < INTER_REFS_PER_FRAME; i++) ref_frame_config->
reference[i] = 0;
584 for (i = 0; i < REF_FRAMES; i++) ref_frame_config->
refresh[i] = 0;
591 switch (layering_mode) {
595 ref_frame_config->
refresh[0] = 1;
596 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
602 if (superframe_cnt % 2 == 0) {
605 ref_frame_config->
refresh[0] = 1;
606 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
610 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
618 if (superframe_cnt % 4 == 0) {
622 ref_frame_config->
refresh[0] = 1;
623 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
624 }
else if ((superframe_cnt - 1) % 4 == 0) {
627 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
628 }
else if ((superframe_cnt - 2) % 4 == 0) {
631 ref_frame_config->
refresh[1] = 1;
632 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
633 }
else if ((superframe_cnt - 3) % 4 == 0) {
638 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 1;
639 ref_frame_config->
ref_idx[SVC_LAST2_FRAME] = 0;
640 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
651 ref_frame_config->
ref_idx[SVC_GOLDEN_FRAME] = 3;
654 if (base_count > 0) {
655 lag_index = 5 + (base_count % 3);
656 if (superframe_cnt % 4 != 0) lag_index = 5 + ((base_count + 1) % 3);
659 ref_frame_config->
ref_idx[SVC_ALTREF_FRAME] = lag_index;
660 if (superframe_cnt % 4 == 0) {
664 ref_frame_config->
refresh[0] = 1;
665 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
667 if (base_count % 10 == 0) ref_frame_config->
refresh[3] = 1;
669 ref_frame_config->
refresh[lag_index] = 1;
670 }
else if ((superframe_cnt - 1) % 4 == 0) {
673 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
674 }
else if ((superframe_cnt - 2) % 4 == 0) {
677 ref_frame_config->
refresh[1] = 1;
678 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
679 }
else if ((superframe_cnt - 3) % 4 == 0) {
684 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 1;
685 ref_frame_config->
ref_idx[SVC_LAST2_FRAME] = 0;
686 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
689 ref_frame_config->
reference[SVC_GOLDEN_FRAME] = 1;
690 ref_frame_config->
reference[SVC_ALTREF_FRAME] = 1;
700 if (superframe_cnt % 4 == 0) {
704 ref_frame_config->
refresh[0] = 1;
705 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
706 }
else if ((superframe_cnt - 1) % 4 == 0) {
709 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
710 }
else if ((superframe_cnt - 2) % 4 == 0) {
713 ref_frame_config->
refresh[3] = 1;
714 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
715 }
else if ((superframe_cnt - 3) % 4 == 0) {
718 ref_frame_config->
reference[SVC_GOLDEN_FRAME] = 1;
726 ref_frame_config->
refresh[0] = 1;
727 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
731 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 1;
732 ref_frame_config->
ref_idx[SVC_GOLDEN_FRAME] = 0;
733 ref_frame_config->
refresh[1] = 1;
734 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
735 ref_frame_config->
reference[SVC_GOLDEN_FRAME] = 1;
747 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
748 ref_frame_config->
ref_idx[i] = 0;
749 ref_frame_config->
refresh[0] = 1;
750 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
755 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
756 ref_frame_config->
ref_idx[i] = 0;
757 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 1;
758 ref_frame_config->
refresh[1] = 1;
759 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
760 ref_frame_config->
reference[SVC_GOLDEN_FRAME] = 1;
765 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
766 ref_frame_config->
ref_idx[i] = 1;
767 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 2;
768 ref_frame_config->
refresh[2] = 1;
769 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
770 ref_frame_config->
reference[SVC_GOLDEN_FRAME] = 1;
773 if (enable_longterm_temporal_ref) {
774 ref_frame_config->
ref_idx[SVC_ALTREF_FRAME] = REF_FRAMES - 1;
775 ref_frame_config->
reference[SVC_ALTREF_FRAME] = 1;
776 if (base_count % 10 == 0)
777 ref_frame_config->
refresh[REF_FRAMES - 1] = 1;
783 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
784 if (superframe_cnt % 4 == 0) {
790 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
791 ref_frame_config->
ref_idx[i] = 0;
792 ref_frame_config->
refresh[0] = 1;
795 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
796 ref_frame_config->
ref_idx[i] = 0;
797 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 1;
798 ref_frame_config->
refresh[1] = 1;
800 }
else if ((superframe_cnt - 1) % 4 == 0) {
804 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
805 ref_frame_config->
ref_idx[i] = 0;
806 ref_frame_config->
ref_idx[SVC_GOLDEN_FRAME] = 3;
807 ref_frame_config->
refresh[3] = 1;
812 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
813 ref_frame_config->
ref_idx[i] = 3;
814 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 1;
816 }
else if ((superframe_cnt - 2) % 4 == 0) {
823 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
824 ref_frame_config->
ref_idx[i] = 0;
825 ref_frame_config->
ref_idx[SVC_GOLDEN_FRAME] = 5 - shift;
826 ref_frame_config->
refresh[5 - shift] = 1;
831 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
832 ref_frame_config->
ref_idx[i] = 5 - shift;
833 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 1;
834 ref_frame_config->
ref_idx[SVC_LAST3_FRAME] = 6 - shift;
835 ref_frame_config->
refresh[6 - shift] = 1;
837 }
else if ((superframe_cnt - 3) % 4 == 0) {
844 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
845 ref_frame_config->
ref_idx[i] = 0;
846 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 5 - shift;
847 ref_frame_config->
ref_idx[SVC_GOLDEN_FRAME] = 3;
848 ref_frame_config->
refresh[3] = 1;
852 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
853 ref_frame_config->
ref_idx[i] = 0;
854 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 6 - shift;
855 ref_frame_config->
ref_idx[SVC_GOLDEN_FRAME] = 3;
872 ref_frame_config->
reference[SVC_LAST_FRAME] = 1;
873 if (superframe_cnt % 4 == 0) {
879 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
880 ref_frame_config->
ref_idx[i] = 0;
881 ref_frame_config->
refresh[0] = 1;
886 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
887 ref_frame_config->
ref_idx[i] = 0;
888 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 1;
889 ref_frame_config->
refresh[1] = 1;
894 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
895 ref_frame_config->
ref_idx[i] = 1;
896 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 2;
897 ref_frame_config->
refresh[2] = 1;
899 }
else if ((superframe_cnt - 1) % 4 == 0) {
906 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
907 ref_frame_config->
ref_idx[i] = 0;
908 ref_frame_config->
ref_idx[SVC_GOLDEN_FRAME] = 3;
909 ref_frame_config->
refresh[3] = 1;
914 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
915 ref_frame_config->
ref_idx[i] = 3;
916 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 1;
917 ref_frame_config->
ref_idx[SVC_LAST2_FRAME] = 4;
918 ref_frame_config->
refresh[4] = 1;
923 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
924 ref_frame_config->
ref_idx[i] = 4;
925 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 2;
927 }
else if ((superframe_cnt - 2) % 4 == 0) {
934 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
935 ref_frame_config->
ref_idx[i] = 0;
936 ref_frame_config->
ref_idx[SVC_GOLDEN_FRAME] = 5 - shift;
937 ref_frame_config->
refresh[5 - shift] = 1;
942 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
943 ref_frame_config->
ref_idx[i] = 5 - shift;
944 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 1;
945 ref_frame_config->
ref_idx[SVC_LAST3_FRAME] = 6 - shift;
946 ref_frame_config->
refresh[6 - shift] = 1;
951 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
952 ref_frame_config->
ref_idx[i] = 6 - shift;
953 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 2;
954 ref_frame_config->
ref_idx[SVC_LAST3_FRAME] = 7 - shift;
955 ref_frame_config->
refresh[7 - shift] = 1;
957 }
else if ((superframe_cnt - 3) % 4 == 0) {
964 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
965 ref_frame_config->
ref_idx[i] = 0;
966 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 5 - shift;
967 ref_frame_config->
ref_idx[SVC_GOLDEN_FRAME] = 3;
968 ref_frame_config->
refresh[3] = 1;
972 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
973 ref_frame_config->
ref_idx[i] = 0;
974 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 6 - shift;
975 ref_frame_config->
ref_idx[SVC_GOLDEN_FRAME] = 3;
976 ref_frame_config->
ref_idx[SVC_LAST2_FRAME] = 4;
977 ref_frame_config->
refresh[4] = 1;
981 for (i = 0; i < INTER_REFS_PER_FRAME; i++)
982 ref_frame_config->
ref_idx[i] = 0;
983 ref_frame_config->
ref_idx[SVC_LAST_FRAME] = 7 - shift;
984 ref_frame_config->
ref_idx[SVC_GOLDEN_FRAME] = 4;
989 ref_frame_config->
reference[SVC_GOLDEN_FRAME] = 1;
993 if (!is_key_frame) ref_frame_config->
reference[SVC_GOLDEN_FRAME] = 0;
998 ref_frame_config->
reference[SVC_LAST_FRAME] = 0;
1006 layering_mode == 8) {
1007 ref_frame_config->
ref_idx[SVC_ALTREF_FRAME] = REF_FRAMES - 1;
1008 ref_frame_config->
reference[SVC_ALTREF_FRAME] = 1;
1010 ref_frame_config->
refresh[REF_FRAMES - 1] = 1;
1013 default: assert(0); die(
"Error: Unsupported temporal layering mode!\n");
1017#if CONFIG_AV1_DECODER
1019 const int frames_out,
int *mismatch_seen) {
1022 if (*mismatch_seen)
return;
1028#if CONFIG_AV1_HIGHBITDEPTH
1034 enc_img.
d_w, enc_img.
d_h, 16);
1035 aom_img_truncate_16_to_8(&enc_hbd_img, &enc_img);
1036 enc_img = enc_hbd_img;
1041 dec_img.
d_w, dec_img.
d_h, 16);
1042 aom_img_truncate_16_to_8(&dec_hbd_img, &dec_img);
1043 dec_img = dec_hbd_img;
1048 if (!aom_compare_img(&enc_img, &dec_img)) {
1049 int y[4], u[4], v[4];
1050#if CONFIG_AV1_HIGHBITDEPTH
1052 aom_find_mismatch_high(&enc_img, &dec_img, y, u, v);
1054 aom_find_mismatch(&enc_img, &dec_img, y, u, v);
1057 aom_find_mismatch(&enc_img, &dec_img, y, u, v);
1061 "Encode/decode mismatch on frame %d at"
1062 " Y[%d, %d] {%d/%d},"
1063 " U[%d, %d] {%d/%d},"
1064 " V[%d, %d] {%d/%d}",
1065 frames_out, y[0], y[1], y[2], y[3], u[0], u[1], u[2], u[3], v[0], v[1],
1067 *mismatch_seen = frames_out;
1075int main(
int argc,
const char **argv) {
1079 AvxVideoWriter *total_layer_file = NULL;
1080 FILE *total_layer_obu_file = NULL;
1089 int frame_duration = 1;
1095#if CONFIG_INTERNAL_STATS
1096 FILE *stats_file = fopen(
"opsnr.stt",
"a");
1097 if (stats_file == NULL) {
1098 die(
"Cannot open opsnr.stt\n");
1101#if CONFIG_AV1_DECODER
1102 int mismatch_seen = 0;
1106 struct RateControlMetrics rc;
1107 int64_t cx_time = 0;
1108 int64_t cx_time_sl[3];
1109 double sum_bitrate = 0.0;
1110 double sum_bitrate2 = 0.0;
1111 double framerate = 30.0;
1112 int use_svc_control = 1;
1113 int set_err_resil_frame = 0;
1114 zero(rc.layer_target_bitrate);
1116 memset(&app_input, 0,
sizeof(AppInput));
1117 memset(&svc_params, 0,
sizeof(svc_params));
1121 const int test_dynamic_scaling_single_layer = 0;
1124 app_input.input_ctx.framerate.numerator = 30;
1125 app_input.input_ctx.framerate.denominator = 1;
1126 app_input.input_ctx.only_i420 = 1;
1127 app_input.input_ctx.bit_depth = 0;
1128 app_input.speed = 7;
1129 exec_name = argv[0];
1153 parse_command_line(argc, argv, &app_input, &svc_params, &cfg);
1158 unsigned int width = cfg.
g_w;
1159 unsigned int height = cfg.
g_h;
1161 if (app_input.layering_mode >= 0) {
1162 if (ts_number_layers !=
1163 mode_to_num_temporal_layers[app_input.layering_mode] ||
1165 mode_to_num_spatial_layers[app_input.layering_mode]) {
1166 die(
"Number of layers doesn't match layering mode.");
1171 if (app_input.input_ctx.file_type != FILE_TYPE_Y4M) {
1173 die(
"Failed to allocate image (%dx%d)", width, height);
1182 unsigned int total_rate = 0;
1183 for (i = 0; i < ss_number_layers; i++) {
1189 die(
"Incorrect total target bitrate");
1193 if (ts_number_layers == 2) {
1196 }
else if (ts_number_layers == 3) {
1202 if (app_input.input_ctx.file_type == FILE_TYPE_Y4M) {
1204 cfg.
g_w = app_input.input_ctx.width;
1205 cfg.
g_h = app_input.input_ctx.height;
1207 cfg.
g_timebase.
num = app_input.input_ctx.framerate.denominator;
1208 cfg.
g_timebase.
den = app_input.input_ctx.framerate.numerator;
1211 set_rate_control_metrics(&rc, framerate, ss_number_layers, ts_number_layers);
1214 info.codec_fourcc = get_fourcc_by_aom_encoder(encoder);
1215 info.frame_width = cfg.
g_w;
1216 info.frame_height = cfg.
g_h;
1220 for (
unsigned int sl = 0; sl < ss_number_layers; ++sl) {
1221 for (
unsigned tl = 0; tl < ts_number_layers; ++tl) {
1222 i = sl * ts_number_layers + tl;
1223 char file_name[PATH_MAX];
1224 snprintf(file_name,
sizeof(file_name),
"%s_%u.av1",
1225 app_input.output_filename, i);
1226 if (app_input.output_obu) {
1227 obu_files[i] = fopen(file_name,
"wb");
1228 if (!obu_files[i]) die(
"Failed to open %s for writing", file_name);
1230 outfile[i] = aom_video_writer_open(file_name, kContainerIVF, &info);
1231 if (!outfile[i]) die(
"Failed to open %s for writing", file_name);
1235 if (app_input.output_obu) {
1236 total_layer_obu_file = fopen(app_input.output_filename,
"wb");
1237 if (!total_layer_obu_file)
1238 die(
"Failed to open %s for writing", app_input.output_filename);
1241 aom_video_writer_open(app_input.output_filename, kContainerIVF, &info);
1242 if (!total_layer_file)
1243 die(
"Failed to open %s for writing", app_input.output_filename);
1249 die(
"Failed to initialize encoder");
1251#if CONFIG_AV1_DECODER
1253 die(
"Failed to initialize decoder");
1279 for (i = 0; i < ss_number_layers * ts_number_layers; ++i) {
1283 for (i = 0; i < ss_number_layers; ++i) {
1287 if (ss_number_layers == 2) {
1290 }
else if (ss_number_layers == 3) {
1303 const int max_intra_size_pct = 300;
1305 max_intra_size_pct);
1308 for (
unsigned int slx = 0; slx < ss_number_layers; slx++) cx_time_sl[slx] = 0;
1310 while (frame_avail || got_data) {
1311 struct aom_usec_timer timer;
1312 frame_avail = read_frame(&(app_input.input_ctx), &raw);
1314 for (
unsigned int slx = 0; slx < ss_number_layers; slx++) {
1319 int is_key_frame = (frame_cnt % cfg.
kf_max_dist) == 0;
1321 if (app_input.layering_mode >= 0) {
1324 set_layer_pattern(app_input.layering_mode, frame_cnt, &layer_id,
1325 &ref_frame_config, &ref_frame_comp_pred,
1326 &use_svc_control, slx, is_key_frame,
1327 (app_input.layering_mode == 10), app_input.speed);
1329 if (use_svc_control) {
1333 &ref_frame_comp_pred);
1341 if (ts_number_layers == 2) {
1343 }
else if (ts_number_layers == 3) {
1344 if (frame_cnt % 2 != 0)
1346 else if ((frame_cnt > 1) && ((frame_cnt - 2) % 4 == 0))
1352 if (set_err_resil_frame) {
1355 int err_resil_mode =
1362 if (frame_avail && slx == 0) ++rc.layer_input_frames[layer];
1364 if (test_dynamic_scaling_single_layer) {
1365 if (frame_cnt >= 200 && frame_cnt <= 400) {
1377 aom_usec_timer_start(&timer);
1379 die_codec(&codec,
"Failed to encode frame");
1380 aom_usec_timer_mark(&timer);
1381 cx_time += aom_usec_timer_elapsed(&timer);
1382 cx_time_sl[slx] += aom_usec_timer_elapsed(&timer);
1387 switch (pkt->
kind) {
1390 sl < ss_number_layers; ++sl) {
1392 tl < ts_number_layers; ++tl) {
1393 unsigned int j = sl * ts_number_layers + tl;
1394 if (app_input.output_obu) {
1398 aom_video_writer_write_frame(outfile[j], pkt->
data.
frame.
buf,
1402 rc.layer_encoding_bitrate[j] += 8.0 * pkt->
data.
frame.
sz;
1406 if (app_input.output_obu) {
1408 total_layer_obu_file);
1410 aom_video_writer_write_frame(total_layer_file,
1418 rc.layer_avg_frame_size[j] += 8.0 * pkt->
data.
frame.
sz;
1419 rc.layer_avg_rate_mismatch[j] +=
1420 fabs(8.0 * pkt->
data.
frame.
sz - rc.layer_pfb[j]) /
1429 if (frame_cnt > rc.window_size && slx == ss_number_layers - 1) {
1430 sum_bitrate += 0.001 * 8.0 * pkt->
data.
frame.
sz * framerate;
1431 rc.window_size = (rc.window_size <= 0) ? 1 : rc.window_size;
1432 if (frame_cnt % rc.window_size == 0) {
1433 rc.window_count += 1;
1434 rc.avg_st_encoding_bitrate += sum_bitrate / rc.window_size;
1435 rc.variance_st_encoding_bitrate +=
1436 (sum_bitrate / rc.window_size) *
1437 (sum_bitrate / rc.window_size);
1442 if (frame_cnt > rc.window_size + rc.window_size / 2 &&
1443 slx == ss_number_layers - 1) {
1444 sum_bitrate2 += 0.001 * 8.0 * pkt->
data.
frame.
sz * framerate;
1445 if (frame_cnt > 2 * rc.window_size &&
1446 frame_cnt % rc.window_size == 0) {
1447 rc.window_count += 1;
1448 rc.avg_st_encoding_bitrate += sum_bitrate2 / rc.window_size;
1449 rc.variance_st_encoding_bitrate +=
1450 (sum_bitrate2 / rc.window_size) *
1451 (sum_bitrate2 / rc.window_size);
1456#if CONFIG_AV1_DECODER
1459 die_codec(&decoder,
"Failed to decode frame.");
1466#if CONFIG_AV1_DECODER
1469 if ((ss_number_layers > 1 || ts_number_layers > 1) &&
1472 test_decode(&codec, &decoder, frame_cnt, &mismatch_seen);
1477 pts += frame_duration;
1480 close_input_file(&(app_input.input_ctx));
1481 printout_rate_control_summary(&rc, frame_cnt, ss_number_layers,
1484 printf(
"Frame cnt and encoding time/FPS stats for encoding: %d %f %f\n",
1485 frame_cnt, 1000 * (
float)cx_time / (
double)(frame_cnt * 1000000),
1486 1000000 * (
double)frame_cnt / (
double)cx_time);
1488 if (ss_number_layers > 1) {
1489 printf(
"Per spatial layer: \n");
1490 for (
unsigned int slx = 0; slx < ss_number_layers; slx++)
1491 printf(
"Frame cnt and encoding time/FPS stats for encoding: %d %f %f\n",
1492 frame_cnt, (
float)cx_time_sl[slx] / (
double)(frame_cnt * 1000),
1493 1000000 * (
double)frame_cnt / (
double)cx_time_sl[slx]);
1498#if CONFIG_INTERNAL_STATS
1499 if (mismatch_seen) {
1500 fprintf(stats_file,
"First mismatch occurred in frame %d\n", mismatch_seen);
1502 fprintf(stats_file,
"No mismatch detected in recon buffers\n");
1508 for (i = 0; i < ss_number_layers * ts_number_layers; ++i)
1509 aom_video_writer_close(outfile[i]);
1510 aom_video_writer_close(total_layer_file);
1512 if (app_input.input_ctx.file_type != FILE_TYPE_Y4M) {
1515 return EXIT_SUCCESS;
Describes the encoder algorithm interface to applications.
enum aom_chroma_sample_position aom_chroma_sample_position_t
List of chroma sample positions.
#define AOM_IMG_FMT_HIGHBITDEPTH
Definition: aom_image.h:38
aom_image_t * aom_img_alloc(aom_image_t *img, aom_img_fmt_t fmt, unsigned int d_w, unsigned int d_h, unsigned int align)
Open a descriptor, allocating storage for the underlying image.
@ AOM_IMG_FMT_I420
Definition: aom_image.h:45
void aom_img_free(aom_image_t *img)
Close an image descriptor.
Provides definitions for using AOM or AV1 encoder algorithm within the aom Codec Interface.
Declares top-level encoder structures and functions.
#define AOM_MAX_LAYERS
Definition: aomcx.h:1566
#define AOM_MAX_TS_LAYERS
Definition: aomcx.h:1568
aom_codec_iface_t * aom_codec_av1_cx(void)
The interface to the AV1 encoder.
@ AV1E_SET_ROW_MT
Codec control function to enable the row based multi-threading of the encoder, unsigned int parameter...
Definition: aomcx.h:360
@ AV1E_SET_ENABLE_TPL_MODEL
Codec control function to enable RDO modulated by frame temporal dependency, unsigned int parameter.
Definition: aomcx.h:407
@ AV1E_SET_AQ_MODE
Codec control function to set adaptive quantization mode, unsigned int parameter.
Definition: aomcx.h:467
@ AV1E_SET_SVC_LAYER_ID
Codec control function to set the layer id, aom_svc_layer_id_t* parameter.
Definition: aomcx.h:1271
@ AV1E_SET_SVC_REF_FRAME_CONFIG
Codec control function to set reference frame config: the ref_idx and the refresh flags for each buff...
Definition: aomcx.h:1282
@ AV1E_SET_CDF_UPDATE_MODE
Codec control function to set CDF update mode, unsigned int parameter.
Definition: aomcx.h:505
@ AV1E_SET_MV_COST_UPD_FREQ
Control to set frequency of the cost updates for motion vectors, unsigned int parameter.
Definition: aomcx.h:1249
@ AV1E_SET_SVC_REF_FRAME_COMP_PRED
Codec control function to set reference frame compound prediction. aom_svc_ref_frame_comp_pred_t* par...
Definition: aomcx.h:1384
@ AV1E_SET_ENABLE_WARPED_MOTION
Codec control function to turn on / off warped motion usage at sequence level, int parameter.
Definition: aomcx.h:1033
@ AV1E_SET_COEFF_COST_UPD_FREQ
Control to set frequency of the cost updates for coefficients, unsigned int parameter.
Definition: aomcx.h:1229
@ AV1E_SET_ENABLE_CDEF
Codec control function to encode with CDEF, unsigned int parameter.
Definition: aomcx.h:665
@ AV1E_SET_DV_COST_UPD_FREQ
Control to set frequency of the cost updates for intrabc motion vectors, unsigned int parameter.
Definition: aomcx.h:1353
@ AV1E_SET_SVC_PARAMS
Codec control function to set SVC paramaeters, aom_svc_params_t* parameter.
Definition: aomcx.h:1276
@ AOME_SET_MAX_INTRA_BITRATE_PCT
Codec control function to set max data rate for intra frames, unsigned int parameter.
Definition: aomcx.h:305
@ AV1E_SET_ERROR_RESILIENT_MODE
Codec control function to enable error_resilient_mode, int parameter.
Definition: aomcx.h:441
@ AV1E_SET_ENABLE_OBMC
Codec control function to predict with OBMC mode, unsigned int parameter.
Definition: aomcx.h:692
@ AV1E_SET_LOOPFILTER_CONTROL
Codec control to control loop filter.
Definition: aomcx.h:1399
@ AOME_SET_SCALEMODE
Codec control function to set encoder scaling mode, aom_scaling_mode_t* parameter.
Definition: aomcx.h:196
@ AV1E_SET_TILE_COLUMNS
Codec control function to set number of tile columns. unsigned int parameter.
Definition: aomcx.h:379
@ AV1E_SET_ENABLE_ORDER_HINT
Codec control function to turn on / off frame order hint (int parameter). Affects: joint compound mod...
Definition: aomcx.h:860
@ AV1E_SET_DELTAQ_MODE
Codec control function to set the delta q mode, unsigned int parameter.
Definition: aomcx.h:1126
@ AV1E_SET_ENABLE_GLOBAL_MOTION
Codec control function to turn on / off global motion usage for a sequence, int parameter.
Definition: aomcx.h:1023
@ AOME_SET_CPUUSED
Codec control function to set encoder internal speed settings, int parameter.
Definition: aomcx.h:219
@ AV1E_SET_GF_CBR_BOOST_PCT
Boost percentage for Golden Frame in CBR mode, unsigned int parameter.
Definition: aomcx.h:338
@ AV1E_SET_MODE_COST_UPD_FREQ
Control to set frequency of the cost updates for mode, unsigned int parameter.
Definition: aomcx.h:1239
@ AV1_GET_NEW_FRAME_IMAGE
Codec control function to get a pointer to the new frame.
Definition: aom.h:70
const char * aom_codec_iface_name(aom_codec_iface_t *iface)
Return the name for a given interface.
aom_codec_err_t aom_codec_control(aom_codec_ctx_t *ctx, int ctrl_id,...)
Algorithm Control.
const struct aom_codec_iface aom_codec_iface_t
Codec interface structure.
Definition: aom_codec.h:254
aom_codec_err_t aom_codec_destroy(aom_codec_ctx_t *ctx)
Destroy a codec instance.
const char * aom_codec_err_to_string(aom_codec_err_t err)
Convert error number to printable string.
aom_codec_err_t
Algorithm return codes.
Definition: aom_codec.h:155
#define AOM_CODEC_CONTROL_TYPECHECKED(ctx, id, data)
aom_codec_control wrapper macro (adds type-checking, less flexible)
Definition: aom_codec.h:521
const void * aom_codec_iter_t
Iterator.
Definition: aom_codec.h:288
#define AOM_FRAME_IS_KEY
Definition: aom_codec.h:271
@ AOM_BITS_12
Definition: aom_codec.h:321
@ AOM_BITS_8
Definition: aom_codec.h:319
@ AOM_BITS_10
Definition: aom_codec.h:320
@ AOM_CODEC_INVALID_PARAM
An application-supplied parameter is not valid.
Definition: aom_codec.h:200
@ AOM_CODEC_MEM_ERROR
Memory operation failed.
Definition: aom_codec.h:163
@ AOM_CODEC_OK
Operation completed without error.
Definition: aom_codec.h:157
aom_codec_err_t aom_codec_decode(aom_codec_ctx_t *ctx, const uint8_t *data, size_t data_sz, void *user_priv)
Decode data.
#define aom_codec_dec_init(ctx, iface, cfg, flags)
Convenience macro for aom_codec_dec_init_ver()
Definition: aom_decoder.h:129
const aom_codec_cx_pkt_t * aom_codec_get_cx_data(aom_codec_ctx_t *ctx, aom_codec_iter_t *iter)
Encoded data iterator.
aom_codec_err_t aom_codec_encode(aom_codec_ctx_t *ctx, const aom_image_t *img, aom_codec_pts_t pts, unsigned long duration, aom_enc_frame_flags_t flags)
Encode a frame.
#define aom_codec_enc_init(ctx, iface, cfg, flags)
Convenience macro for aom_codec_enc_init_ver()
Definition: aom_encoder.h:934
aom_codec_err_t aom_codec_enc_config_default(aom_codec_iface_t *iface, aom_codec_enc_cfg_t *cfg, unsigned int usage)
Get the default configuration for a usage.
#define AOM_USAGE_REALTIME
usage parameter analogous to AV1 REALTIME mode.
Definition: aom_encoder.h:1007
@ AOM_CBR
Definition: aom_encoder.h:186
@ AOM_KF_AUTO
Definition: aom_encoder.h:201
@ AOM_CODEC_CX_FRAME_PKT
Definition: aom_encoder.h:109
Codec context structure.
Definition: aom_codec.h:298
aom_codec_err_t err
Definition: aom_codec.h:301
Encoder output packet.
Definition: aom_encoder.h:121
size_t sz
Definition: aom_encoder.h:126
enum aom_codec_cx_pkt_kind kind
Definition: aom_encoder.h:122
union aom_codec_cx_pkt::@1 data
struct aom_codec_cx_pkt::@1::@2 frame
aom_codec_frame_flags_t flags
Definition: aom_encoder.h:131
void * buf
Definition: aom_encoder.h:125
Encoder configuration structure.
Definition: aom_encoder.h:386
unsigned int g_input_bit_depth
Bit-depth of the input frames.
Definition: aom_encoder.h:469
unsigned int rc_dropframe_thresh
Temporal resampling configuration, if supported by the codec.
Definition: aom_encoder.h:534
struct aom_rational g_timebase
Stream timebase units.
Definition: aom_encoder.h:483
unsigned int g_usage
Algorithm specific "usage" value.
Definition: aom_encoder.h:398
unsigned int rc_buf_sz
Decoder Buffer Size.
Definition: aom_encoder.h:698
unsigned int g_h
Height of the frame.
Definition: aom_encoder.h:434
enum aom_kf_mode kf_mode
Keyframe placement mode.
Definition: aom_encoder.h:761
enum aom_rc_mode rc_end_usage
Rate control algorithm to use.
Definition: aom_encoder.h:617
unsigned int g_threads
Maximum number of threads to use.
Definition: aom_encoder.h:406
unsigned int kf_min_dist
Keyframe minimum interval.
Definition: aom_encoder.h:770
unsigned int g_lag_in_frames
Allow lagged encoding.
Definition: aom_encoder.h:512
unsigned int rc_buf_initial_sz
Decoder Buffer Initial Size.
Definition: aom_encoder.h:707
unsigned int g_profile
Bitstream profile to use.
Definition: aom_encoder.h:416
aom_bit_depth_t g_bit_depth
Bit-depth of the codec.
Definition: aom_encoder.h:461
unsigned int g_w
Width of the frame.
Definition: aom_encoder.h:425
unsigned int rc_undershoot_pct
Rate control adaptation undershoot control.
Definition: aom_encoder.h:674
unsigned int kf_max_dist
Keyframe maximum interval.
Definition: aom_encoder.h:779
aom_codec_er_flags_t g_error_resilient
Enable error resilient modes.
Definition: aom_encoder.h:491
unsigned int rc_max_quantizer
Maximum (Worst Quality) Quantizer.
Definition: aom_encoder.h:661
unsigned int rc_buf_optimal_sz
Decoder Buffer Optimal Size.
Definition: aom_encoder.h:716
unsigned int rc_min_quantizer
Minimum (Best Quality) Quantizer.
Definition: aom_encoder.h:651
unsigned int rc_target_bitrate
Target data rate.
Definition: aom_encoder.h:637
unsigned int rc_resize_mode
Mode for spatial resampling, if supported by the codec.
Definition: aom_encoder.h:543
unsigned int rc_overshoot_pct
Rate control adaptation overshoot control.
Definition: aom_encoder.h:683
Image Descriptor.
Definition: aom_image.h:180
aom_img_fmt_t fmt
Definition: aom_image.h:181
unsigned int d_w
Definition: aom_image.h:195
unsigned int d_h
Definition: aom_image.h:196
int num
Definition: aom_encoder.h:164
int den
Definition: aom_encoder.h:165
aom image scaling mode
Definition: aomcx.h:1513
int temporal_layer_id
Definition: aomcx.h:1573
int spatial_layer_id
Definition: aomcx.h:1572
int max_quantizers[32]
Definition: aomcx.h:1580
int number_spatial_layers
Definition: aomcx.h:1578
int layer_target_bitrate[32]
Definition: aomcx.h:1585
int framerate_factor[8]
Definition: aomcx.h:1587
int min_quantizers[32]
Definition: aomcx.h:1581
int scaling_factor_den[4]
Definition: aomcx.h:1583
int number_temporal_layers
Definition: aomcx.h:1579
int scaling_factor_num[4]
Definition: aomcx.h:1582
int use_comp_pred[3]
Definition: aomcx.h:1604
int reference[7]
Definition: aomcx.h:1594
int refresh[8]
Definition: aomcx.h:1597
int ref_idx[7]
Definition: aomcx.h:1596