11184aebb761cbeac9124c37189a80a1a58f04b6bhkuang/* 21184aebb761cbeac9124c37189a80a1a58f04b6bhkuang * Copyright (c) 2012 The WebM project authors. All Rights Reserved. 31184aebb761cbeac9124c37189a80a1a58f04b6bhkuang * 41184aebb761cbeac9124c37189a80a1a58f04b6bhkuang * Use of this source code is governed by a BSD-style license 51184aebb761cbeac9124c37189a80a1a58f04b6bhkuang * that can be found in the LICENSE file in the root of the source 61184aebb761cbeac9124c37189a80a1a58f04b6bhkuang * tree. An additional intellectual property rights grant can be found 71184aebb761cbeac9124c37189a80a1a58f04b6bhkuang * in the file PATENTS. All contributing project authors may 81184aebb761cbeac9124c37189a80a1a58f04b6bhkuang * be found in the AUTHORS file in the root of the source tree. 91184aebb761cbeac9124c37189a80a1a58f04b6bhkuang */ 101184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 111184aebb761cbeac9124c37189a80a1a58f04b6bhkuang/* 121184aebb761cbeac9124c37189a80a1a58f04b6bhkuang * This is an example demonstrating how to implement a multi-layer 131184aebb761cbeac9124c37189a80a1a58f04b6bhkuang * VP9 encoding scheme based on spatial scalability for video applications 141184aebb761cbeac9124c37189a80a1a58f04b6bhkuang * that benefit from a scalable bitstream. 151184aebb761cbeac9124c37189a80a1a58f04b6bhkuang */ 165ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 171184aebb761cbeac9124c37189a80a1a58f04b6bhkuang#include <stdarg.h> 185ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include <stdlib.h> 191184aebb761cbeac9124c37189a80a1a58f04b6bhkuang#include <string.h> 205ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include <time.h> 21b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 225ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include "./args.h" 23b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#include "./tools_common.h" 24b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#include "./video_writer.h" 25b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 265ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include "vpx/svc_context.h" 271184aebb761cbeac9124c37189a80a1a58f04b6bhkuang#include "vpx/vp8cx.h" 285ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include "vpx/vpx_encoder.h" 29b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#include "./vpxstats.h" 305ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 315ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const struct arg_enum_list encoding_mode_enum[] = { 325ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang {"i", INTER_LAYER_PREDICTION_I}, 335ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang {"alt-ip", ALT_INTER_LAYER_PREDICTION_IP}, 345ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang {"ip", INTER_LAYER_PREDICTION_IP}, 355ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang {"gf", USE_GOLDEN_FRAME}, 365ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang {NULL, 0} 375ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang}; 385ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 395ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const arg_def_t encoding_mode_arg = ARG_DEF_ENUM( 405ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang "m", "encoding-mode", 1, "Encoding mode algorithm", encoding_mode_enum); 415ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const arg_def_t skip_frames_arg = 425ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang ARG_DEF("s", "skip-frames", 1, "input frames to skip"); 435ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const arg_def_t frames_arg = 445ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang ARG_DEF("f", "frames", 1, "number of frames to encode"); 455ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const arg_def_t width_arg = ARG_DEF("w", "width", 1, "source width"); 465ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const arg_def_t height_arg = ARG_DEF("h", "height", 1, "source height"); 475ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const arg_def_t timebase_arg = 485ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang ARG_DEF("t", "timebase", 1, "timebase (num/den)"); 495ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const arg_def_t bitrate_arg = ARG_DEF( 505ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang "b", "target-bitrate", 1, "encoding bitrate, in kilobits per second"); 515ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const arg_def_t layers_arg = 525ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang ARG_DEF("l", "layers", 1, "number of SVC layers"); 535ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const arg_def_t kf_dist_arg = 545ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang ARG_DEF("k", "kf-dist", 1, "number of frames between keyframes"); 555ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const arg_def_t scale_factors_arg = 565ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang ARG_DEF("r", "scale-factors", 1, "scale factors (lowest to highest layer)"); 575ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const arg_def_t quantizers_arg = 58b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian ARG_DEF("q", "quantizers", 1, "quantizers for non key frames, also will " 59b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian "be applied to key frames if -qn is not specified (lowest to " 60b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian "highest layer)"); 61b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic const arg_def_t quantizers_keyframe_arg = 62b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian ARG_DEF("qn", "quantizers-keyframe", 1, "quantizers for key frames (lowest " 63b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian "to highest layer)"); 64b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic const arg_def_t passes_arg = 65b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian ARG_DEF("p", "passes", 1, "Number of passes (1/2)"); 66b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic const arg_def_t pass_arg = 67b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian ARG_DEF(NULL, "pass", 1, "Pass to execute (1/2)"); 68b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic const arg_def_t fpf_name_arg = 69b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian ARG_DEF(NULL, "fpf", 1, "First pass statistics file name"); 706ac915abcdb404a00d927fe6308a47fcf09d9519hkuangstatic const arg_def_t min_q_arg = 716ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ARG_DEF(NULL, "min-q", 1, "Minimum quantizer"); 726ac915abcdb404a00d927fe6308a47fcf09d9519hkuangstatic const arg_def_t max_q_arg = 736ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ARG_DEF(NULL, "max-q", 1, "Maximum quantizer"); 746ac915abcdb404a00d927fe6308a47fcf09d9519hkuangstatic const arg_def_t min_bitrate_arg = 756ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ARG_DEF(NULL, "min-bitrate", 1, "Minimum bitrate"); 766ac915abcdb404a00d927fe6308a47fcf09d9519hkuangstatic const arg_def_t max_bitrate_arg = 776ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ARG_DEF(NULL, "max-bitrate", 1, "Maximum bitrate"); 785ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 795ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const arg_def_t *svc_args[] = { 805ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang &encoding_mode_arg, &frames_arg, &width_arg, &height_arg, 815ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang &timebase_arg, &bitrate_arg, &skip_frames_arg, &layers_arg, 82b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian &kf_dist_arg, &scale_factors_arg, &quantizers_arg, 836ac915abcdb404a00d927fe6308a47fcf09d9519hkuang &quantizers_keyframe_arg, &passes_arg, &pass_arg, 846ac915abcdb404a00d927fe6308a47fcf09d9519hkuang &fpf_name_arg, &min_q_arg, &max_q_arg, &min_bitrate_arg, 856ac915abcdb404a00d927fe6308a47fcf09d9519hkuang &max_bitrate_arg, NULL 865ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang}; 875ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 885ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const SVC_ENCODING_MODE default_encoding_mode = 895ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang INTER_LAYER_PREDICTION_IP; 905ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const uint32_t default_frames_to_skip = 0; 915ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const uint32_t default_frames_to_code = 60 * 60; 925ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const uint32_t default_width = 1920; 935ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const uint32_t default_height = 1080; 945ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const uint32_t default_timebase_num = 1; 955ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const uint32_t default_timebase_den = 60; 965ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const uint32_t default_bitrate = 1000; 975ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const uint32_t default_spatial_layers = 5; 985ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic const uint32_t default_kf_dist = 100; 995ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 1005ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangtypedef struct { 101b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian const char *input_filename; 102b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian const char *output_filename; 1035ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang uint32_t frames_to_code; 1045ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang uint32_t frames_to_skip; 105b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian struct VpxInputContext input_ctx; 106b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian stats_io_t rc_stats; 107b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian int passes; 108b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian int pass; 1095ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang} AppInput; 1105ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 111b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic const char *exec_name; 1121184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 113b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianvoid usage_exit() { 1145ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang fprintf(stderr, "Usage: %s <options> input_filename output_filename\n", 1155ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang exec_name); 1165ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang fprintf(stderr, "Options:\n"); 1175ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang arg_show_usage(stderr, svc_args); 1181184aebb761cbeac9124c37189a80a1a58f04b6bhkuang exit(EXIT_FAILURE); 1191184aebb761cbeac9124c37189a80a1a58f04b6bhkuang} 1201184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 1215ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangstatic void parse_command_line(int argc, const char **argv_, 1225ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang AppInput *app_input, SvcContext *svc_ctx, 1235ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang vpx_codec_enc_cfg_t *enc_cfg) { 124b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian struct arg arg = {0}; 125b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian char **argv = NULL; 126b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian char **argi = NULL; 127b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian char **argj = NULL; 1281184aebb761cbeac9124c37189a80a1a58f04b6bhkuang vpx_codec_err_t res; 129b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian int passes = 0; 130b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian int pass = 0; 131b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian const char *fpf_file_name = NULL; 1326ac915abcdb404a00d927fe6308a47fcf09d9519hkuang unsigned int min_bitrate = 0; 1336ac915abcdb404a00d927fe6308a47fcf09d9519hkuang unsigned int max_bitrate = 0; 1341184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 1355ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // initialize SvcContext with parameters that will be passed to vpx_svc_init 1365ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang svc_ctx->log_level = SVC_LOG_DEBUG; 1375ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang svc_ctx->spatial_layers = default_spatial_layers; 1385ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang svc_ctx->encoding_mode = default_encoding_mode; 1391184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 1405ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // start with default encoder configuration 1415ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang res = vpx_codec_enc_config_default(vpx_codec_vp9_cx(), enc_cfg, 0); 1421184aebb761cbeac9124c37189a80a1a58f04b6bhkuang if (res) { 1431184aebb761cbeac9124c37189a80a1a58f04b6bhkuang die("Failed to get config: %s\n", vpx_codec_err_to_string(res)); 1441184aebb761cbeac9124c37189a80a1a58f04b6bhkuang } 1455ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // update enc_cfg with app default values 1465ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang enc_cfg->g_w = default_width; 1475ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang enc_cfg->g_h = default_height; 1485ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang enc_cfg->g_timebase.num = default_timebase_num; 1495ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang enc_cfg->g_timebase.den = default_timebase_den; 1505ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang enc_cfg->rc_target_bitrate = default_bitrate; 1515ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang enc_cfg->kf_min_dist = default_kf_dist; 1525ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang enc_cfg->kf_max_dist = default_kf_dist; 1535ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 1545ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // initialize AppInput with default values 1555ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang app_input->frames_to_code = default_frames_to_code; 1565ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang app_input->frames_to_skip = default_frames_to_skip; 1575ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 1585ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // process command line options 1595ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang argv = argv_dup(argc - 1, argv_ + 1); 1605ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) { 1615ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang arg.argv_step = 1; 1625ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 1635ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang if (arg_match(&arg, &encoding_mode_arg, argi)) { 1645ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang svc_ctx->encoding_mode = arg_parse_enum_or_int(&arg); 1655ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } else if (arg_match(&arg, &frames_arg, argi)) { 1665ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang app_input->frames_to_code = arg_parse_uint(&arg); 1675ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } else if (arg_match(&arg, &width_arg, argi)) { 1685ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang enc_cfg->g_w = arg_parse_uint(&arg); 1695ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } else if (arg_match(&arg, &height_arg, argi)) { 1705ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang enc_cfg->g_h = arg_parse_uint(&arg); 1715ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } else if (arg_match(&arg, &timebase_arg, argi)) { 1725ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang enc_cfg->g_timebase = arg_parse_rational(&arg); 1735ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } else if (arg_match(&arg, &bitrate_arg, argi)) { 1745ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang enc_cfg->rc_target_bitrate = arg_parse_uint(&arg); 1755ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } else if (arg_match(&arg, &skip_frames_arg, argi)) { 1765ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang app_input->frames_to_skip = arg_parse_uint(&arg); 1775ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } else if (arg_match(&arg, &layers_arg, argi)) { 1785ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang svc_ctx->spatial_layers = arg_parse_uint(&arg); 1795ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } else if (arg_match(&arg, &kf_dist_arg, argi)) { 1805ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang enc_cfg->kf_min_dist = arg_parse_uint(&arg); 1815ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang enc_cfg->kf_max_dist = enc_cfg->kf_min_dist; 1825ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } else if (arg_match(&arg, &scale_factors_arg, argi)) { 1835ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang vpx_svc_set_scale_factors(svc_ctx, arg.val); 1845ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } else if (arg_match(&arg, &quantizers_arg, argi)) { 185b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian vpx_svc_set_quantizers(svc_ctx, arg.val, 0); 186b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } else if (arg_match(&arg, &quantizers_keyframe_arg, argi)) { 187b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian vpx_svc_set_quantizers(svc_ctx, arg.val, 1); 188b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } else if (arg_match(&arg, &passes_arg, argi)) { 189b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian passes = arg_parse_uint(&arg); 190b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (passes < 1 || passes > 2) { 191b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian die("Error: Invalid number of passes (%d)\n", passes); 192b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } 193b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } else if (arg_match(&arg, &pass_arg, argi)) { 194b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian pass = arg_parse_uint(&arg); 195b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (pass < 1 || pass > 2) { 196b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian die("Error: Invalid pass selected (%d)\n", pass); 197b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } 198b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } else if (arg_match(&arg, &fpf_name_arg, argi)) { 199b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian fpf_file_name = arg.val; 2006ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } else if (arg_match(&arg, &min_q_arg, argi)) { 2016ac915abcdb404a00d927fe6308a47fcf09d9519hkuang enc_cfg->rc_min_quantizer = arg_parse_uint(&arg); 2026ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } else if (arg_match(&arg, &max_q_arg, argi)) { 2036ac915abcdb404a00d927fe6308a47fcf09d9519hkuang enc_cfg->rc_max_quantizer = arg_parse_uint(&arg); 2046ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } else if (arg_match(&arg, &min_bitrate_arg, argi)) { 2056ac915abcdb404a00d927fe6308a47fcf09d9519hkuang min_bitrate = arg_parse_uint(&arg); 2066ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } else if (arg_match(&arg, &max_bitrate_arg, argi)) { 2076ac915abcdb404a00d927fe6308a47fcf09d9519hkuang max_bitrate = arg_parse_uint(&arg); 2085ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } else { 2095ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang ++argj; 2105ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } 2115ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } 2121184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 213b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (passes == 0 || passes == 1) { 214b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (pass) { 215b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian fprintf(stderr, "pass is ignored since there's only one pass\n"); 216b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } 217b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian enc_cfg->g_pass = VPX_RC_ONE_PASS; 218b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } else { 219b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (pass == 0) { 220b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian die("pass must be specified when passes is 2\n"); 221b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } 222b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 223b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (fpf_file_name == NULL) { 224b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian die("fpf must be specified when passes is 2\n"); 225b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } 226b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 227b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (pass == 1) { 228b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian enc_cfg->g_pass = VPX_RC_FIRST_PASS; 229b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (!stats_open_file(&app_input->rc_stats, fpf_file_name, 0)) { 230b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian fatal("Failed to open statistics store"); 231b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } 232b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } else { 233b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian enc_cfg->g_pass = VPX_RC_LAST_PASS; 234b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (!stats_open_file(&app_input->rc_stats, fpf_file_name, 1)) { 235b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian fatal("Failed to open statistics store"); 236b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } 237b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian enc_cfg->rc_twopass_stats_in = stats_get(&app_input->rc_stats); 238b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } 239b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian app_input->passes = passes; 240b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian app_input->pass = pass; 241b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } 242b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 2436ac915abcdb404a00d927fe6308a47fcf09d9519hkuang if (enc_cfg->rc_target_bitrate > 0) { 2446ac915abcdb404a00d927fe6308a47fcf09d9519hkuang if (min_bitrate > 0) { 2456ac915abcdb404a00d927fe6308a47fcf09d9519hkuang enc_cfg->rc_2pass_vbr_minsection_pct = 2466ac915abcdb404a00d927fe6308a47fcf09d9519hkuang min_bitrate * 100 / enc_cfg->rc_target_bitrate; 2476ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } 2486ac915abcdb404a00d927fe6308a47fcf09d9519hkuang if (max_bitrate > 0) { 2496ac915abcdb404a00d927fe6308a47fcf09d9519hkuang enc_cfg->rc_2pass_vbr_maxsection_pct = 2506ac915abcdb404a00d927fe6308a47fcf09d9519hkuang max_bitrate * 100 / enc_cfg->rc_target_bitrate; 2516ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } 2526ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } 2536ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 2545ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // Check for unrecognized options 2555ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang for (argi = argv; *argi; ++argi) 2565ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang if (argi[0][0] == '-' && strlen(argi[0]) > 1) 2575ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang die("Error: Unrecognized option %s\n", *argi); 2581184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 2595ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang if (argv[0] == NULL || argv[1] == 0) { 260b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian usage_exit(); 2615ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } 2625ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang app_input->input_filename = argv[0]; 2635ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang app_input->output_filename = argv[1]; 2645ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang free(argv); 2651184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 2665ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang if (enc_cfg->g_w < 16 || enc_cfg->g_w % 2 || enc_cfg->g_h < 16 || 2675ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang enc_cfg->g_h % 2) 2685ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang die("Invalid resolution: %d x %d\n", enc_cfg->g_w, enc_cfg->g_h); 2691184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 2705ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang printf( 2715ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang "Codec %s\nframes: %d, skip: %d\n" 2725ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang "mode: %d, layers: %d\n" 2735ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang "width %d, height: %d,\n" 2745ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang "num: %d, den: %d, bitrate: %d,\n" 275b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian "gop size: %d\n", 2765ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang vpx_codec_iface_name(vpx_codec_vp9_cx()), app_input->frames_to_code, 2775ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang app_input->frames_to_skip, svc_ctx->encoding_mode, 2785ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang svc_ctx->spatial_layers, enc_cfg->g_w, enc_cfg->g_h, 2795ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang enc_cfg->g_timebase.num, enc_cfg->g_timebase.den, 280b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian enc_cfg->rc_target_bitrate, enc_cfg->kf_max_dist); 2811184aebb761cbeac9124c37189a80a1a58f04b6bhkuang} 2821184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 2835ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangint main(int argc, const char **argv) { 2845ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang AppInput app_input = {0}; 285b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian VpxVideoWriter *writer = NULL; 286b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian VpxVideoInfo info = {0}; 2871184aebb761cbeac9124c37189a80a1a58f04b6bhkuang vpx_codec_ctx_t codec; 2885ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang vpx_codec_enc_cfg_t enc_cfg; 2895ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang SvcContext svc_ctx; 2905ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang uint32_t i; 2915ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang uint32_t frame_cnt = 0; 2921184aebb761cbeac9124c37189a80a1a58f04b6bhkuang vpx_image_t raw; 2935ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang vpx_codec_err_t res; 2941184aebb761cbeac9124c37189a80a1a58f04b6bhkuang int pts = 0; /* PTS starts at 0 */ 2951184aebb761cbeac9124c37189a80a1a58f04b6bhkuang int frame_duration = 1; /* 1 timebase tick per frame */ 296b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian FILE *infile = NULL; 297a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian int end_of_stream = 0; 2981184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 2995ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang memset(&svc_ctx, 0, sizeof(svc_ctx)); 3005ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang svc_ctx.log_print = 1; 301b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian exec_name = argv[0]; 3025ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang parse_command_line(argc, argv, &app_input, &svc_ctx, &enc_cfg); 3031184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 3041184aebb761cbeac9124c37189a80a1a58f04b6bhkuang // Allocate image buffer 3055ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang if (!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, enc_cfg.g_w, enc_cfg.g_h, 32)) 3065ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang die("Failed to allocate image %dx%d\n", enc_cfg.g_w, enc_cfg.g_h); 3075ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 3085ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang if (!(infile = fopen(app_input.input_filename, "rb"))) 3095ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang die("Failed to open %s for reading\n", app_input.input_filename); 3105ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 3115ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // Initialize codec 3125ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang if (vpx_svc_init(&svc_ctx, &codec, vpx_codec_vp9_cx(), &enc_cfg) != 3135ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang VPX_CODEC_OK) 3145ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang die("Failed to initialize encoder\n"); 3151184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 316b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian info.codec_fourcc = VP9_FOURCC; 317b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian info.time_base.numerator = enc_cfg.g_timebase.num; 318b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian info.time_base.denominator = enc_cfg.g_timebase.den; 319b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (vpx_svc_get_layer_resolution(&svc_ctx, svc_ctx.spatial_layers - 1, 320b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian (unsigned int *)&info.frame_width, 321b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian (unsigned int *)&info.frame_height) != 322b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian VPX_CODEC_OK) { 323b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian die("Failed to get output resolution"); 324b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } 3251184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 326b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (!(app_input.passes == 2 && app_input.pass == 1)) { 327b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian // We don't save the bitstream for the 1st pass on two pass rate control 328b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian writer = vpx_video_writer_open(app_input.output_filename, kContainerIVF, 329b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian &info); 330b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (!writer) 331b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian die("Failed to open %s for writing\n", app_input.output_filename); 3321184aebb761cbeac9124c37189a80a1a58f04b6bhkuang } 3331184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 334b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian // skip initial frames 335b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian for (i = 0; i < app_input.frames_to_skip; ++i) 336b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian vpx_img_read(&raw, infile); 337b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 3385ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // Encode frames 339a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian while (!end_of_stream) { 340a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian if (frame_cnt >= app_input.frames_to_code || !vpx_img_read(&raw, infile)) { 341a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian // We need one extra vpx_svc_encode call at end of stream to flush 342a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian // encoder and get remaining data 343a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian end_of_stream = 1; 344a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian } 345b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 346a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian res = vpx_svc_encode(&svc_ctx, &codec, (end_of_stream ? NULL : &raw), 347a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian pts, frame_duration, VPX_DL_REALTIME); 3485ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang printf("%s", vpx_svc_get_message(&svc_ctx)); 3495ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang if (res != VPX_CODEC_OK) { 3501184aebb761cbeac9124c37189a80a1a58f04b6bhkuang die_codec(&codec, "Failed to encode frame"); 3511184aebb761cbeac9124c37189a80a1a58f04b6bhkuang } 352b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (!(app_input.passes == 2 && app_input.pass == 1)) { 353b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (vpx_svc_get_frame_size(&svc_ctx) > 0) { 354b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian vpx_video_writer_write_frame(writer, 355b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian vpx_svc_get_buffer(&svc_ctx), 356b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian vpx_svc_get_frame_size(&svc_ctx), 357b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian pts); 358b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } 359b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } 360b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (vpx_svc_get_rc_stats_buffer_size(&svc_ctx) > 0) { 361b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian stats_write(&app_input.rc_stats, 362b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian vpx_svc_get_rc_stats_buffer(&svc_ctx), 363b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian vpx_svc_get_rc_stats_buffer_size(&svc_ctx)); 3645ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } 365a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian if (!end_of_stream) { 366a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian ++frame_cnt; 367a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian pts += frame_duration; 368a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian } 3691184aebb761cbeac9124c37189a80a1a58f04b6bhkuang } 3701184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 371b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian printf("Processed %d frames\n", frame_cnt); 3721184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 3731184aebb761cbeac9124c37189a80a1a58f04b6bhkuang fclose(infile); 3741184aebb761cbeac9124c37189a80a1a58f04b6bhkuang if (vpx_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec"); 3751184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 376b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (app_input.passes == 2) 377b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian stats_close(&app_input.rc_stats, 1); 378b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 379b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (writer) { 380b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian vpx_video_writer_close(writer); 3811184aebb761cbeac9124c37189a80a1a58f04b6bhkuang } 382b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 3835ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang vpx_img_free(&raw); 3845ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 3855ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // display average size, psnr 3865ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang printf("%s", vpx_svc_dump_statistics(&svc_ctx)); 3875ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 3885ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang vpx_svc_release(&svc_ctx); 3891184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 3901184aebb761cbeac9124c37189a80a1a58f04b6bhkuang return EXIT_SUCCESS; 3911184aebb761cbeac9124c37189a80a1a58f04b6bhkuang} 392