int main(int argc, char **argv) {
FILE *infile = NULL;
int w, h;
// The number of lightfield images in the u and v dimensions.
int lf_width, lf_height;
// Defines how many images refer to the same reference image for MCP.
// lf_blocksize X lf_blocksize images will all use the reference image
// in the middle of the block of images.
int lf_blocksize;
aom_codec_ctx_t codec;
aom_codec_enc_cfg_t cfg;
aom_image_t raw;
aom_image_t raw_shift;
aom_codec_err_t res;
aom_fixed_buf_t stats;
int flags = 0;
const AvxInterface *encoder = NULL;
const int fps = 30;
const int bitrate = 200; // kbit/s
const char *const width_arg = argv[1];
const char *const height_arg = argv[2];
const char *const infile_arg = argv[3];
const char *const outfile_arg = argv[4];
const char *const lf_width_arg = argv[5];
const char *const lf_height_arg = argv[6];
const char *lf_blocksize_arg = argv[7];
exec_name = argv[0];
if (argc < 8) die("Invalid number of arguments");
encoder = get_aom_encoder_by_name("av1");
if (!encoder) die("Unsupported codec.");
w = (int)strtol(width_arg, NULL, 0);
h = (int)strtol(height_arg, NULL, 0);
lf_width = (int)strtol(lf_width_arg, NULL, 0);
lf_height = (int)strtol(lf_height_arg, NULL, 0);
lf_blocksize = (int)strtol(lf_blocksize_arg, NULL, 0);
lf_blocksize = lf_blocksize < lf_width ? lf_blocksize : lf_width;
lf_blocksize = lf_blocksize < lf_height ? lf_blocksize : lf_height;
if (w <= 0 || h <= 0 || (w % 2) != 0 || (h % 2) != 0)
die("Invalid frame size: %dx%d", w, h);
if (lf_width <= 0 || lf_height <= 0)
die("Invalid lf_width and/or lf_height: %dx%d", lf_width, lf_height);
if (lf_blocksize <= 0) die("Invalid lf_blocksize: %d", lf_blocksize);
if (!aom_img_alloc(&raw, AOM_IMG_FMT_I420, w, h, 32)) {
die("Failed to allocate image.");
}
if (!CONFIG_LOWBITDEPTH) {
// Need to allocate larger buffer to use hbd internal.
aom_img_alloc(&raw_shift, AOM_IMG_FMT_I420 | AOM_IMG_FMT_HIGHBITDEPTH, w, h,
32);
}
printf("Using %s\n", aom_codec_iface_name(encoder->codec_interface()));
// Configuration
res = aom_codec_enc_config_default(encoder->codec_interface(), &cfg, 0);
if (res) die_codec(&codec, "Failed to get default codec config.");
cfg.g_w = w;
cfg.g_h = h;
cfg.g_timebase.num = 1;
cfg.g_timebase.den = fps;
cfg.rc_target_bitrate = bitrate;
cfg.g_error_resilient = 0; // This is required.
cfg.g_lag_in_frames = 0; // need to set this since default is 19.
cfg.kf_mode = AOM_KF_DISABLED;
cfg.large_scale_tile = 0; // Only set it to 1 for camera frame encoding.
cfg.g_bit_depth = AOM_BITS_8;
flags |= (cfg.g_bit_depth > AOM_BITS_8 || !CONFIG_LOWBITDEPTH)
? AOM_CODEC_USE_HIGHBITDEPTH
: 0;
if (!(infile = fopen(infile_arg, "rb")))
die("Failed to open %s for reading", infile_arg);
// Pass 0
cfg.g_pass = AOM_RC_FIRST_PASS;
stats = pass0(&raw, infile, encoder, &cfg, lf_width, lf_height, lf_blocksize,
flags, &raw_shift);
// Pass 1
rewind(infile);
cfg.g_pass = AOM_RC_LAST_PASS;
cfg.rc_twopass_stats_in = stats;
pass1(&raw, infile, outfile_arg, encoder, &cfg, lf_width, lf_height,
lf_blocksize, flags, &raw_shift);
free(stats.buf);
if (!CONFIG_LOWBITDEPTH) aom_img_free(&raw_shift);
aom_img_free(&raw);
fclose(infile);
return EXIT_SUCCESS;
}
// TODO(tomfinegan): Improve command line parsing and add args for bitrate/fps.
int main(int argc, char **argv) {
FILE *infile = NULL;
aom_codec_ctx_t codec;
aom_codec_enc_cfg_t cfg;
int frame_count = 0;
aom_image_t raw;
aom_codec_err_t res;
AvxVideoInfo info;
AvxVideoWriter *writer = NULL;
const AvxInterface *encoder = NULL;
const int fps = 30;
const int bitrate = 200;
int keyframe_interval = 0;
int max_frames = 0;
int frames_encoded = 0;
const char *codec_arg = NULL;
const char *width_arg = NULL;
const char *height_arg = NULL;
const char *infile_arg = NULL;
const char *outfile_arg = NULL;
const char *keyframe_interval_arg = NULL;
exec_name = argv[0];
// Clear explicitly, as simply assigning "{ 0 }" generates
// "missing-field-initializers" warning in some compilers.
memset(&info, 0, sizeof(info));
if (argc != 9) die("Invalid number of arguments");
codec_arg = argv[1];
width_arg = argv[2];
height_arg = argv[3];
infile_arg = argv[4];
outfile_arg = argv[5];
keyframe_interval_arg = argv[6];
max_frames = (int)strtol(argv[8], NULL, 0);
encoder = get_aom_encoder_by_name(codec_arg);
if (!encoder) die("Unsupported codec.");
info.codec_fourcc = encoder->fourcc;
info.frame_width = (int)strtol(width_arg, NULL, 0);
info.frame_height = (int)strtol(height_arg, NULL, 0);
info.time_base.numerator = 1;
info.time_base.denominator = fps;
if (info.frame_width <= 0 || info.frame_height <= 0 ||
(info.frame_width % 2) != 0 || (info.frame_height % 2) != 0) {
die("Invalid frame size: %dx%d", info.frame_width, info.frame_height);
}
if (!aom_img_alloc(&raw, AOM_IMG_FMT_I420, info.frame_width,
info.frame_height, 1)) {
die("Failed to allocate image.");
}
keyframe_interval = (int)strtol(keyframe_interval_arg, NULL, 0);
if (keyframe_interval < 0) die("Invalid keyframe interval value.");
printf("Using %s\n", aom_codec_iface_name(encoder->codec_interface()));
res = aom_codec_enc_config_default(encoder->codec_interface(), &cfg, 0);
if (res) die_codec(&codec, "Failed to get default codec config.");
cfg.g_w = info.frame_width;
cfg.g_h = info.frame_height;
cfg.g_timebase.num = info.time_base.numerator;
cfg.g_timebase.den = info.time_base.denominator;
cfg.rc_target_bitrate = bitrate;
cfg.g_error_resilient = (aom_codec_er_flags_t)strtoul(argv[7], NULL, 0);
writer = aom_video_writer_open(outfile_arg, kContainerIVF, &info);
if (!writer) die("Failed to open %s for writing.", outfile_arg);
if (!(infile = fopen(infile_arg, "rb")))
die("Failed to open %s for reading.", infile_arg);
if (aom_codec_enc_init(&codec, encoder->codec_interface(), &cfg, 0))
die_codec(&codec, "Failed to initialize encoder");
// Encode frames.
while (aom_img_read(&raw, infile)) {
int flags = 0;
if (keyframe_interval > 0 && frame_count % keyframe_interval == 0)
flags |= AOM_EFLAG_FORCE_KF;
encode_frame(&codec, &raw, frame_count++, flags, writer);
frames_encoded++;
if (max_frames > 0 && frames_encoded >= max_frames) break;
}
// Flush encoder.
while (encode_frame(&codec, NULL, -1, 0, writer)) continue;
printf("\n");
fclose(infile);
printf("Processed %d frames.\n", frame_count);
aom_img_free(&raw);
if (aom_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec.");
aom_video_writer_close(writer);
return EXIT_SUCCESS;
}