ref: 6b3770ae629347f7548cced5bf4805adade8b7fe
dir: /tools/dav1d.c/
/*
* Copyright © 2018, VideoLAN and dav1d authors
* Copyright © 2018, Two Orioles, LLC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "version.h"
#include <assert.h>
#include <errno.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "dav1d/data.h"
#include "input/input.h"
#include "output/output.h"
#include "dav1d_cli_parse.h"
static void print_stats(const int istty, const unsigned n,
const unsigned num)
{
const char *pre_string = istty ? "\r" : "";
const char *post_string = istty ? "" : "\n";
if (num == 0xFFFFFFFFU) {
fprintf(stderr, "%sDecoded %u frames%s", pre_string, n, post_string);
} else {
fprintf(stderr, "%sDecoded %u/%u frames (%.1lf%%)%s",
pre_string, n, num, 100.0 * n / num, post_string);
}
}
int main(const int argc, char *const *const argv) {
const int istty = isatty(fileno(stderr));
int res = 0;
CLISettings cli_settings;
Dav1dSettings lib_settings;
DemuxerContext *in;
MuxerContext *out = NULL;
Dav1dPicture p;
Dav1dContext *c;
Dav1dData data;
unsigned n_out = 0, total, fps[2];
const char *version = dav1d_version();
if (strcmp(version, DAV1D_VERSION)) {
fprintf(stderr, "Version mismatch (library: %s, executable: %s)\n",
version, DAV1D_VERSION);
return -1;
}
init_demuxers();
init_muxers();
parse(argc, argv, &cli_settings, &lib_settings);
if ((res = input_open(&in, cli_settings.demuxer,
cli_settings.inputfile,
fps, &total)) < 0)
{
return res;
}
for (unsigned i = 0; i <= cli_settings.skip; i++) {
if ((res = input_read(in, &data)) < 0) {
input_close(in);
return res;
}
if (i < cli_settings.skip) dav1d_data_unref(&data);
}
if (!cli_settings.quiet)
fprintf(stderr, "dav1d %s - by VideoLAN\n", DAV1D_VERSION);
// skip frames until a sequence header is found
if (cli_settings.skip) {
Dav1dSequenceHeader seq;
unsigned seq_skip = 0;
while (dav1d_parse_sequence_header(&seq, data.data, data.sz)) {
if ((res = input_read(in, &data)) < 0) {
input_close(in);
return res;
}
seq_skip++;
}
if (seq_skip && !cli_settings.quiet)
fprintf(stderr,
"skipped %u packets due to missing sequence header\n",
seq_skip);
}
//getc(stdin);
if (cli_settings.limit != 0 && cli_settings.limit < total)
total = cli_settings.limit;
if ((res = dav1d_open(&c, &lib_settings)))
return res;
do {
memset(&p, 0, sizeof(p));
if ((res = dav1d_send_data(c, &data)) < 0) {
if (res != -EAGAIN) {
fprintf(stderr, "Error decoding frame: %s\n",
strerror(-res));
break;
}
}
if ((res = dav1d_get_picture(c, &p)) < 0) {
if (res != -EAGAIN) {
fprintf(stderr, "Error decoding frame: %s\n",
strerror(-res));
break;
}
res = 0;
} else {
if (!n_out) {
if ((res = output_open(&out, cli_settings.muxer,
cli_settings.outputfile,
&p.p, fps)) < 0)
{
return res;
}
}
if ((res = output_write(out, &p)) < 0)
break;
n_out++;
if (!cli_settings.quiet)
print_stats(istty, n_out, total);
}
if (cli_settings.limit && n_out == cli_settings.limit)
break;
} while (data.sz > 0 || !input_read(in, &data));
if (data.sz > 0) dav1d_data_unref(&data);
// flush
if (res == 0) while (!cli_settings.limit || n_out < cli_settings.limit) {
if ((res = dav1d_get_picture(c, &p)) < 0) {
if (res != -EAGAIN) {
fprintf(stderr, "Error decoding frame: %s\n",
strerror(-res));
} else {
res = 0;
break;
}
} else {
if (!n_out) {
if ((res = output_open(&out, cli_settings.muxer,
cli_settings.outputfile,
&p.p, fps)) < 0)
{
return res;
}
}
if ((res = output_write(out, &p)) < 0)
break;
n_out++;
if (!cli_settings.quiet)
print_stats(istty, n_out, total);
}
}
input_close(in);
if (out) {
if (!cli_settings.quiet && istty)
fprintf(stderr, "\n");
if (cli_settings.verify)
res |= output_verify(out, cli_settings.verify);
else
output_close(out);
} else {
fprintf(stderr, "No data decoded\n");
res = 1;
}
dav1d_close(&c);
return res;
}