This commit is contained in:
Mike Jerris
2016-09-26 14:31:51 -04:00
parent 2b1f0da5c4
commit 8c5f0301f3
1008 changed files with 110177 additions and 201326 deletions

View File

@@ -109,32 +109,27 @@ static const char *exec_name;
void usage_exit(void) {
fprintf(stderr,
"Usage: %s <codec> <width> <height> <infile> <outfile> "
"<keyframe-interval> [<error-resilient>]\nSee comments in "
"simple_encoder.c for more information.\n",
"<keyframe-interval> <error-resilient> <frames to encode>\n"
"See comments in simple_encoder.c for more information.\n",
exec_name);
exit(EXIT_FAILURE);
}
static int encode_frame(vpx_codec_ctx_t *codec,
vpx_image_t *img,
int frame_index,
int flags,
VpxVideoWriter *writer) {
static int encode_frame(vpx_codec_ctx_t *codec, vpx_image_t *img,
int frame_index, int flags, VpxVideoWriter *writer) {
int got_pkts = 0;
vpx_codec_iter_t iter = NULL;
const vpx_codec_cx_pkt_t *pkt = NULL;
const vpx_codec_err_t res = vpx_codec_encode(codec, img, frame_index, 1,
flags, VPX_DL_GOOD_QUALITY);
if (res != VPX_CODEC_OK)
die_codec(codec, "Failed to encode frame");
const vpx_codec_err_t res =
vpx_codec_encode(codec, img, frame_index, 1, flags, VPX_DL_GOOD_QUALITY);
if (res != VPX_CODEC_OK) die_codec(codec, "Failed to encode frame");
while ((pkt = vpx_codec_get_cx_data(codec, &iter)) != NULL) {
got_pkts = 1;
if (pkt->kind == VPX_CODEC_CX_FRAME_PKT) {
const int keyframe = (pkt->data.frame.flags & VPX_FRAME_IS_KEY) != 0;
if (!vpx_video_writer_write_frame(writer,
pkt->data.frame.buf,
if (!vpx_video_writer_write_frame(writer, pkt->data.frame.buf,
pkt->data.frame.sz,
pkt->data.frame.pts)) {
die_codec(codec, "Failed to write compressed frame");
@@ -147,6 +142,7 @@ static int encode_frame(vpx_codec_ctx_t *codec,
return got_pkts;
}
// TODO(tomfinegan): Improve command line parsing and add args for bitrate/fps.
int main(int argc, char **argv) {
FILE *infile = NULL;
vpx_codec_ctx_t codec;
@@ -154,15 +150,14 @@ int main(int argc, char **argv) {
int frame_count = 0;
vpx_image_t raw;
vpx_codec_err_t res;
VpxVideoInfo info = {0};
VpxVideoInfo info = { 0, 0, 0, { 0, 0 } };
VpxVideoWriter *writer = NULL;
const VpxInterface *encoder = NULL;
const int fps = 30; // TODO(dkovalev) add command line argument
const int bitrate = 200; // kbit/s TODO(dkovalev) add command line argument
const int fps = 30;
const int bitrate = 200;
int keyframe_interval = 0;
// TODO(dkovalev): Add some simple command line parsing code to make the
// command line more flexible.
int max_frames = 0;
int frames_encoded = 0;
const char *codec_arg = NULL;
const char *width_arg = NULL;
const char *height_arg = NULL;
@@ -172,8 +167,7 @@ int main(int argc, char **argv) {
exec_name = argv[0];
if (argc < 7)
die("Invalid number of arguments");
if (argc != 9) die("Invalid number of arguments");
codec_arg = argv[1];
width_arg = argv[2];
@@ -181,49 +175,44 @@ int main(int argc, char **argv) {
infile_arg = argv[4];
outfile_arg = argv[5];
keyframe_interval_arg = argv[6];
max_frames = (int)strtol(argv[8], NULL, 0);
encoder = get_vpx_encoder_by_name(codec_arg);
if (!encoder)
die("Unsupported codec.");
if (!encoder) die("Unsupported codec.");
info.codec_fourcc = encoder->fourcc;
info.frame_width = strtol(width_arg, NULL, 0);
info.frame_height = strtol(height_arg, NULL, 0);
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) {
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 (!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, info.frame_width,
info.frame_height, 1)) {
info.frame_height, 1)) {
die("Failed to allocate image.");
}
keyframe_interval = strtol(keyframe_interval_arg, NULL, 0);
if (keyframe_interval < 0)
die("Invalid keyframe interval value.");
keyframe_interval = (int)strtol(keyframe_interval_arg, NULL, 0);
if (keyframe_interval < 0) die("Invalid keyframe interval value.");
printf("Using %s\n", vpx_codec_iface_name(encoder->codec_interface()));
res = vpx_codec_enc_config_default(encoder->codec_interface(), &cfg, 0);
if (res)
die_codec(&codec, "Failed to get default codec config.");
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 = argc > 7 ? strtol(argv[7], NULL, 0) : 0;
cfg.g_error_resilient = (vpx_codec_er_flags_t)strtoul(argv[7], NULL, 0);
writer = vpx_video_writer_open(outfile_arg, kContainerIVF, &info);
if (!writer)
die("Failed to open %s for writing.", outfile_arg);
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);
@@ -237,18 +226,20 @@ int main(int argc, char **argv) {
if (keyframe_interval > 0 && frame_count % keyframe_interval == 0)
flags |= VPX_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)) {};
while (encode_frame(&codec, NULL, -1, 0, writer)) {
}
printf("\n");
fclose(infile);
printf("Processed %d frames.\n", frame_count);
vpx_img_free(&raw);
if (vpx_codec_destroy(&codec))
die_codec(&codec, "Failed to destroy codec.");
if (vpx_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec.");
vpx_video_writer_close(writer);