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Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -07001/*
Yaowu Xu6e0d64c2016-10-10 16:21:45 -07002 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -07003 *
Yaowu Xu6e0d64c2016-10-10 16:21:45 -07004 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -070010 */
11
12#include <stdio.h>
13#include <stdlib.h>
14#include <string.h>
15
Yaowu Xuf883b422016-08-30 14:01:10 -070016#include "aom/aom_encoder.h"
17#include "aom/aomcx.h"
Tom Finegan77902132018-05-21 10:19:15 -070018#include "common/tools_common.h"
19#include "common/video_writer.h"
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -070020
21static const char *exec_name;
22
James Zern59e7a472015-05-09 10:33:26 -070023void usage_exit(void) {
clang-format397d9642016-08-08 18:51:16 -070024 fprintf(stderr,
25 "lossless_encoder: Example demonstrating lossless "
26 "encoding feature. Supports raw input only.\n");
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -070027 fprintf(stderr, "Usage: %s <width> <height> <infile> <outfile>\n", exec_name);
28 exit(EXIT_FAILURE);
29}
30
Yaowu Xuf883b422016-08-30 14:01:10 -070031static int encode_frame(aom_codec_ctx_t *codec, aom_image_t *img,
32 int frame_index, int flags, AvxVideoWriter *writer) {
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -070033 int got_pkts = 0;
Yaowu Xuf883b422016-08-30 14:01:10 -070034 aom_codec_iter_t iter = NULL;
35 const aom_codec_cx_pkt_t *pkt = NULL;
36 const aom_codec_err_t res =
Sean DuBois47cc2552018-01-23 07:44:16 +000037 aom_codec_encode(codec, img, frame_index, 1, flags);
Yaowu Xuf883b422016-08-30 14:01:10 -070038 if (res != AOM_CODEC_OK) die_codec(codec, "Failed to encode frame");
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -070039
Yaowu Xuf883b422016-08-30 14:01:10 -070040 while ((pkt = aom_codec_get_cx_data(codec, &iter)) != NULL) {
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -070041 got_pkts = 1;
42
Yaowu Xuf883b422016-08-30 14:01:10 -070043 if (pkt->kind == AOM_CODEC_CX_FRAME_PKT) {
44 const int keyframe = (pkt->data.frame.flags & AOM_FRAME_IS_KEY) != 0;
45 if (!aom_video_writer_write_frame(writer, pkt->data.frame.buf,
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -070046 pkt->data.frame.sz,
47 pkt->data.frame.pts)) {
48 die_codec(codec, "Failed to write compressed frame");
49 }
50 printf(keyframe ? "K" : ".");
51 fflush(stdout);
52 }
53 }
54
55 return got_pkts;
56}
57
58int main(int argc, char **argv) {
59 FILE *infile = NULL;
Yaowu Xuf883b422016-08-30 14:01:10 -070060 aom_codec_enc_cfg_t cfg;
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -070061 int frame_count = 0;
Yaowu Xuf883b422016-08-30 14:01:10 -070062 aom_image_t raw;
63 aom_codec_err_t res;
Urvang Joshid71a2312016-07-14 12:33:48 -070064 AvxVideoInfo info;
Yaowu Xuf883b422016-08-30 14:01:10 -070065 AvxVideoWriter *writer = NULL;
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -070066 const int fps = 30;
67
68 exec_name = argv[0];
69
Urvang Joshid71a2312016-07-14 12:33:48 -070070 // Clear explicitly, as simply assigning "{ 0 }" generates
71 // "missing-field-initializers" warning in some compilers.
72 memset(&info, 0, sizeof(info));
73
clang-format397d9642016-08-08 18:51:16 -070074 if (argc < 5) die("Invalid number of arguments");
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -070075
Elliott Karpilovskycbe219b2020-04-22 16:21:06 -070076 aom_codec_iface_t *encoder = get_aom_encoder_by_short_name("av1");
clang-format397d9642016-08-08 18:51:16 -070077 if (!encoder) die("Unsupported codec.");
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -070078
Elliott Karpilovskycbe219b2020-04-22 16:21:06 -070079 info.codec_fourcc = get_fourcc_by_aom_encoder(encoder);
James Zern097fef92017-03-23 00:25:55 -070080 info.frame_width = (int)strtol(argv[1], NULL, 0);
81 info.frame_height = (int)strtol(argv[2], NULL, 0);
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -070082 info.time_base.numerator = 1;
83 info.time_base.denominator = fps;
84
clang-format397d9642016-08-08 18:51:16 -070085 if (info.frame_width <= 0 || info.frame_height <= 0 ||
86 (info.frame_width % 2) != 0 || (info.frame_height % 2) != 0) {
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -070087 die("Invalid frame size: %dx%d", info.frame_width, info.frame_height);
88 }
89
Yaowu Xuf883b422016-08-30 14:01:10 -070090 if (!aom_img_alloc(&raw, AOM_IMG_FMT_I420, info.frame_width,
clang-format397d9642016-08-08 18:51:16 -070091 info.frame_height, 1)) {
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -070092 die("Failed to allocate image.");
93 }
94
Elliott Karpilovskycbe219b2020-04-22 16:21:06 -070095 printf("Using %s\n", aom_codec_iface_name(encoder));
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -070096
Elliott Karpilovskycbe219b2020-04-22 16:21:06 -070097 aom_codec_ctx_t codec;
98 res = aom_codec_enc_config_default(encoder, &cfg, 0);
clang-format397d9642016-08-08 18:51:16 -070099 if (res) die_codec(&codec, "Failed to get default codec config.");
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -0700100
101 cfg.g_w = info.frame_width;
102 cfg.g_h = info.frame_height;
103 cfg.g_timebase.num = info.time_base.numerator;
104 cfg.g_timebase.den = info.time_base.denominator;
105
Yaowu Xuf883b422016-08-30 14:01:10 -0700106 writer = aom_video_writer_open(argv[4], kContainerIVF, &info);
clang-format397d9642016-08-08 18:51:16 -0700107 if (!writer) die("Failed to open %s for writing.", argv[4]);
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -0700108
109 if (!(infile = fopen(argv[3], "rb")))
110 die("Failed to open %s for reading.", argv[3]);
111
Elliott Karpilovskycbe219b2020-04-22 16:21:06 -0700112 if (aom_codec_enc_init(&codec, encoder, &cfg, 0))
James Zerndad374f2020-05-06 19:13:19 -0700113 die("Failed to initialize encoder");
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -0700114
Elliott Karpilovsky60dd0f92020-04-30 19:19:27 -0700115 if (AOM_CODEC_CONTROL_TYPECHECKED(&codec, AV1E_SET_LOSSLESS, 1))
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -0700116 die_codec(&codec, "Failed to use lossless mode");
117
118 // Encode frames.
Yaowu Xuf883b422016-08-30 14:01:10 -0700119 while (aom_img_read(&raw, infile)) {
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -0700120 encode_frame(&codec, &raw, frame_count++, 0, writer);
121 }
122
123 // Flush encoder.
clang-format397d9642016-08-08 18:51:16 -0700124 while (encode_frame(&codec, NULL, -1, 0, writer)) {
125 }
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -0700126
127 printf("\n");
128 fclose(infile);
129 printf("Processed %d frames.\n", frame_count);
130
Yaowu Xuf883b422016-08-30 14:01:10 -0700131 aom_img_free(&raw);
132 if (aom_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec.");
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -0700133
Yaowu Xuf883b422016-08-30 14:01:10 -0700134 aom_video_writer_close(writer);
Dmitry Kovalevcb1f97e2014-09-09 18:51:41 -0700135
136 return EXIT_SUCCESS;
137}