ref: a3856f049d188b971c0956b1b5cef350212f03a3
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 "vcs_version.h"
#include "cli_config.h"
#include <errno.h>
#include <inttypes.h>
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_IO_H
# include <io.h>
#endif
#ifdef _WIN32
# include <windows.h>
#endif
#ifdef __APPLE__
#include <mach/mach_time.h>
#endif
#include "dav1d/dav1d.h"
#include "input/input.h"
#include "output/output.h"
#include "dav1d_cli_parse.h"
static uint64_t get_time_nanos(void) {
#ifdef _WIN32
LARGE_INTEGER frequency;
QueryPerformanceFrequency(&frequency);
LARGE_INTEGER t;
QueryPerformanceCounter(&t);
uint64_t seconds = t.QuadPart / frequency.QuadPart;
uint64_t fractions = t.QuadPart % frequency.QuadPart;
return 1000000000 * seconds + 1000000000 * fractions / frequency.QuadPart;
#elif defined(HAVE_CLOCK_GETTIME)
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return 1000000000ULL * ts.tv_sec + ts.tv_nsec;
#elif defined(__APPLE__)
mach_timebase_info_data_t info;
mach_timebase_info(&info);
return mach_absolute_time() * info.numer / info.denom;
#endif
}
static void sleep_nanos(uint64_t d) {
#ifdef _WIN32
Sleep((unsigned)(d / 1000000));
#else
const struct timespec ts = {
.tv_sec = (time_t)(d / 1000000000),
.tv_nsec = d % 1000000000,
};
nanosleep(&ts, NULL);
#endif
}
static void synchronize(const int realtime, const unsigned cache,
const unsigned n_out, const uint64_t nspf,
const uint64_t tfirst, uint64_t *const elapsed,
FILE *const frametimes)
{
const uint64_t tcurr = get_time_nanos();
const uint64_t last = *elapsed;
*elapsed = tcurr - tfirst;
if (realtime) {
const uint64_t deadline = nspf * n_out;
if (*elapsed < deadline) {
const uint64_t remaining = deadline - *elapsed;
if (remaining > nspf * cache) sleep_nanos(remaining - nspf * cache);
*elapsed = deadline;
}
}
if (frametimes) {
const uint64_t frametime = *elapsed - last;
fprintf(frametimes, "%" PRIu64 "\n", frametime);
fflush(frametimes);
}
}
static void print_stats(const int istty, const unsigned n, const unsigned num,
const uint64_t elapsed, const double i_fps)
{
char buf[80], *b = buf, *const end = buf + 80;
if (istty)
*b++ = '\r';
if (num == 0xFFFFFFFF)
b += snprintf(b, end - b, "Decoded %u frames", n);
else
b += snprintf(b, end - b, "Decoded %u/%u frames (%.1lf%%)",
n, num, 100.0 * n / num);
if (b < end) {
const double d_fps = 1e9 * n / elapsed;
if (i_fps) {
const double speed = d_fps / i_fps;
b += snprintf(b, end - b, " - %.2lf/%.2lf fps (%.2lfx)",
d_fps, i_fps, speed);
} else {
b += snprintf(b, end - b, " - %.2lf fps", d_fps);
}
}
if (!istty)
strcpy(b > end - 2 ? end - 2 : b, "\n");
fputs(buf, stderr);
}
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], timebase[2];
uint64_t nspf, tfirst, elapsed;
double i_fps;
FILE *frametimes = NULL;
const char *version = dav1d_version();
if (strcmp(version, DAV1D_VERSION)) {
fprintf(stderr, "Version mismatch (library: %s, executable: %s)\n",
version, DAV1D_VERSION);
return EXIT_FAILURE;
}
parse(argc, argv, &cli_settings, &lib_settings);
if ((res = input_open(&in, cli_settings.demuxer,
cli_settings.inputfile,
fps, &total, timebase)) < 0)
{
return EXIT_FAILURE;
}
for (unsigned i = 0; i <= cli_settings.skip; i++) {
if ((res = input_read(in, &data)) < 0) {
input_close(in);
return EXIT_FAILURE;
}
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 EXIT_FAILURE;
}
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 EXIT_FAILURE;
if (cli_settings.frametimes)
frametimes = fopen(cli_settings.frametimes, "w");
if (cli_settings.realtime != REALTIME_CUSTOM) {
if (fps[1] == 0) {
i_fps = 0;
nspf = 0;
} else {
i_fps = (double)fps[0] / fps[1];
nspf = 1000000000ULL * fps[1] / fps[0];
}
} else {
i_fps = cli_settings.realtime_fps;
nspf = (uint64_t)(1000000000.0 / cli_settings.realtime_fps);
}
tfirst = get_time_nanos();
do {
memset(&p, 0, sizeof(p));
if ((res = dav1d_send_data(c, &data)) < 0) {
if (res != DAV1D_ERR(EAGAIN)) {
fprintf(stderr, "Error decoding frame: %s\n",
strerror(DAV1D_ERR(res)));
break;
}
}
if ((res = dav1d_get_picture(c, &p)) < 0) {
if (res != DAV1D_ERR(EAGAIN)) {
fprintf(stderr, "Error decoding frame: %s\n",
strerror(DAV1D_ERR(res)));
break;
}
res = 0;
} else {
if (!n_out) {
if ((res = output_open(&out, cli_settings.muxer,
cli_settings.outputfile,
&p.p, fps)) < 0)
{
if (frametimes) fclose(frametimes);
return EXIT_FAILURE;
}
}
if ((res = output_write(out, &p)) < 0)
break;
n_out++;
if (nspf || !cli_settings.quiet) {
synchronize(cli_settings.realtime, cli_settings.realtime_cache,
n_out, nspf, tfirst, &elapsed, frametimes);
}
if (!cli_settings.quiet)
print_stats(istty, n_out, total, elapsed, i_fps);
}
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 != DAV1D_ERR(EAGAIN)) {
fprintf(stderr, "Error decoding frame: %s\n",
strerror(DAV1D_ERR(res)));
} else {
res = 0;
break;
}
} else {
if (!n_out) {
if ((res = output_open(&out, cli_settings.muxer,
cli_settings.outputfile,
&p.p, fps)) < 0)
{
if (frametimes) fclose(frametimes);
return EXIT_FAILURE;
}
}
if ((res = output_write(out, &p)) < 0)
break;
n_out++;
if (nspf || !cli_settings.quiet) {
synchronize(cli_settings.realtime, cli_settings.realtime_cache,
n_out, nspf, tfirst, &elapsed, frametimes);
}
if (!cli_settings.quiet)
print_stats(istty, n_out, total, elapsed, i_fps);
}
}
if (frametimes) fclose(frametimes);
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 == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}