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| 1 /* | 1 /* |
| 2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ | 9 */ |
| 10 | 10 |
| 11 // This is an example demonstrating how to implement a multi-layer VPx | 11 // This is an example demonstrating how to implement a multi-layer VPx |
| 12 // encoding scheme based on temporal scalability for video applications | 12 // encoding scheme based on temporal scalability for video applications |
| 13 // that benefit from a scalable bitstream. | 13 // that benefit from a scalable bitstream. |
| 14 | 14 |
| 15 #include <assert.h> | 15 #include <assert.h> |
| 16 #include <math.h> | 16 #include <math.h> |
| 17 #include <stdio.h> | 17 #include <stdio.h> |
| 18 #include <stdlib.h> | 18 #include <stdlib.h> |
| 19 #include <string.h> | 19 #include <string.h> |
| 20 | 20 |
| 21 #include "./vpx_config.h" | 21 #include "./vpx_config.h" |
| 22 #include "vpx_ports/vpx_timer.h" | 22 #include "../vpx_ports/vpx_timer.h" |
| 23 #include "vpx/vp8cx.h" | 23 #include "vpx/vp8cx.h" |
| 24 #include "vpx/vpx_encoder.h" | 24 #include "vpx/vpx_encoder.h" |
| 25 | 25 |
| 26 #include "./tools_common.h" | 26 #include "../tools_common.h" |
| 27 #include "./video_writer.h" | 27 #include "../video_writer.h" |
| 28 | 28 |
| 29 static const char *exec_name; | 29 static const char *exec_name; |
| 30 | 30 |
| 31 void usage_exit() { | 31 void usage_exit() { |
| 32 exit(EXIT_FAILURE); | 32 exit(EXIT_FAILURE); |
| 33 } | 33 } |
| 34 | 34 |
| 35 // Denoiser states, for temporal denoising. | 35 // Denoiser states, for temporal denoising. |
| 36 enum denoiserState { | 36 enum denoiserState { |
| 37 kDenoiserOff, | 37 kDenoiserOff, |
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| 595 ++i) { | 595 ++i) { |
| 596 cfg.ts_target_bitrate[i - 11] = strtol(argv[i], NULL, 0); | 596 cfg.ts_target_bitrate[i - 11] = strtol(argv[i], NULL, 0); |
| 597 } | 597 } |
| 598 | 598 |
| 599 // Real time parameters. | 599 // Real time parameters. |
| 600 cfg.rc_dropframe_thresh = strtol(argv[9], NULL, 0); | 600 cfg.rc_dropframe_thresh = strtol(argv[9], NULL, 0); |
| 601 cfg.rc_end_usage = VPX_CBR; | 601 cfg.rc_end_usage = VPX_CBR; |
| 602 cfg.rc_resize_allowed = 0; | 602 cfg.rc_resize_allowed = 0; |
| 603 cfg.rc_min_quantizer = 2; | 603 cfg.rc_min_quantizer = 2; |
| 604 cfg.rc_max_quantizer = 56; | 604 cfg.rc_max_quantizer = 56; |
| 605 if (strncmp(encoder->name, "vp9", 3) == 0) |
| 606 cfg.rc_max_quantizer = 52; |
| 605 cfg.rc_undershoot_pct = 50; | 607 cfg.rc_undershoot_pct = 50; |
| 606 cfg.rc_overshoot_pct = 50; | 608 cfg.rc_overshoot_pct = 50; |
| 607 cfg.rc_buf_initial_sz = 500; | 609 cfg.rc_buf_initial_sz = 500; |
| 608 cfg.rc_buf_optimal_sz = 600; | 610 cfg.rc_buf_optimal_sz = 600; |
| 609 cfg.rc_buf_sz = 1000; | 611 cfg.rc_buf_sz = 1000; |
| 610 | 612 |
| 611 // Enable error resilient mode. | 613 // Enable error resilient mode. |
| 612 cfg.g_error_resilient = 1; | 614 cfg.g_error_resilient = 1; |
| 613 cfg.g_lag_in_frames = 0; | 615 cfg.g_lag_in_frames = 0; |
| 614 cfg.kf_mode = VPX_KF_AUTO; | 616 cfg.kf_mode = VPX_KF_AUTO; |
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| 659 &codec, encoder->codec_interface(), &cfg, | 661 &codec, encoder->codec_interface(), &cfg, |
| 660 bit_depth == VPX_BITS_8 ? 0 : VPX_CODEC_USE_HIGHBITDEPTH)) | 662 bit_depth == VPX_BITS_8 ? 0 : VPX_CODEC_USE_HIGHBITDEPTH)) |
| 661 #else | 663 #else |
| 662 if (vpx_codec_enc_init(&codec, encoder->codec_interface(), &cfg, 0)) | 664 if (vpx_codec_enc_init(&codec, encoder->codec_interface(), &cfg, 0)) |
| 663 #endif // CONFIG_VP9_HIGHBITDEPTH | 665 #endif // CONFIG_VP9_HIGHBITDEPTH |
| 664 die_codec(&codec, "Failed to initialize encoder"); | 666 die_codec(&codec, "Failed to initialize encoder"); |
| 665 | 667 |
| 666 if (strncmp(encoder->name, "vp8", 3) == 0) { | 668 if (strncmp(encoder->name, "vp8", 3) == 0) { |
| 667 vpx_codec_control(&codec, VP8E_SET_CPUUSED, -speed); | 669 vpx_codec_control(&codec, VP8E_SET_CPUUSED, -speed); |
| 668 vpx_codec_control(&codec, VP8E_SET_NOISE_SENSITIVITY, kDenoiserOnYOnly); | 670 vpx_codec_control(&codec, VP8E_SET_NOISE_SENSITIVITY, kDenoiserOnYOnly); |
| 671 vpx_codec_control(&codec, VP8E_SET_STATIC_THRESHOLD, 1); |
| 669 } else if (strncmp(encoder->name, "vp9", 3) == 0) { | 672 } else if (strncmp(encoder->name, "vp9", 3) == 0) { |
| 670 vpx_codec_control(&codec, VP8E_SET_CPUUSED, speed); | 673 vpx_codec_control(&codec, VP8E_SET_CPUUSED, speed); |
| 671 vpx_codec_control(&codec, VP9E_SET_AQ_MODE, 3); | 674 vpx_codec_control(&codec, VP9E_SET_AQ_MODE, 3); |
| 672 vpx_codec_control(&codec, VP9E_SET_FRAME_PERIODIC_BOOST, 0); | 675 vpx_codec_control(&codec, VP9E_SET_FRAME_PERIODIC_BOOST, 0); |
| 673 vpx_codec_control(&codec, VP9E_SET_NOISE_SENSITIVITY, 0); | 676 vpx_codec_control(&codec, VP9E_SET_NOISE_SENSITIVITY, 0); |
| 677 vpx_codec_control(&codec, VP8E_SET_STATIC_THRESHOLD, 0); |
| 674 if (vpx_codec_control(&codec, VP9E_SET_SVC, layering_mode > 0 ? 1: 0)) { | 678 if (vpx_codec_control(&codec, VP9E_SET_SVC, layering_mode > 0 ? 1: 0)) { |
| 675 die_codec(&codec, "Failed to set SVC"); | 679 die_codec(&codec, "Failed to set SVC"); |
| 676 } | 680 } |
| 677 } | 681 } |
| 678 if (strncmp(encoder->name, "vp8", 3) == 0) { | 682 if (strncmp(encoder->name, "vp8", 3) == 0) { |
| 679 vpx_codec_control(&codec, VP8E_SET_SCREEN_CONTENT_MODE, 0); | 683 vpx_codec_control(&codec, VP8E_SET_SCREEN_CONTENT_MODE, 0); |
| 680 } | 684 } |
| 681 vpx_codec_control(&codec, VP8E_SET_STATIC_THRESHOLD, 1); | |
| 682 vpx_codec_control(&codec, VP8E_SET_TOKEN_PARTITIONS, 1); | 685 vpx_codec_control(&codec, VP8E_SET_TOKEN_PARTITIONS, 1); |
| 683 // This controls the maximum target size of the key frame. | 686 // This controls the maximum target size of the key frame. |
| 684 // For generating smaller key frames, use a smaller max_intra_size_pct | 687 // For generating smaller key frames, use a smaller max_intra_size_pct |
| 685 // value, like 100 or 200. | 688 // value, like 100 or 200. |
| 686 { | 689 { |
| 687 const int max_intra_size_pct = 900; | 690 const int max_intra_size_pct = 900; |
| 688 vpx_codec_control(&codec, VP8E_SET_MAX_INTRA_BITRATE_PCT, | 691 vpx_codec_control(&codec, VP8E_SET_MAX_INTRA_BITRATE_PCT, |
| 689 max_intra_size_pct); | 692 max_intra_size_pct); |
| 690 } | 693 } |
| 691 | 694 |
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| 786 if (vpx_codec_destroy(&codec)) | 789 if (vpx_codec_destroy(&codec)) |
| 787 die_codec(&codec, "Failed to destroy codec"); | 790 die_codec(&codec, "Failed to destroy codec"); |
| 788 | 791 |
| 789 // Try to rewrite the output file headers with the actual frame count. | 792 // Try to rewrite the output file headers with the actual frame count. |
| 790 for (i = 0; i < cfg.ts_number_layers; ++i) | 793 for (i = 0; i < cfg.ts_number_layers; ++i) |
| 791 vpx_video_writer_close(outfile[i]); | 794 vpx_video_writer_close(outfile[i]); |
| 792 | 795 |
| 793 vpx_img_free(&raw); | 796 vpx_img_free(&raw); |
| 794 return EXIT_SUCCESS; | 797 return EXIT_SUCCESS; |
| 795 } | 798 } |
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