aomdec
/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved.
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <limits.h>
#include "config/aom_config.h"
#if CONFIG_OS_SUPPORT
#if HAVE_UNISTD_H
#include <unistd.h> // NOLINT
#elif !defined(STDOUT_FILENO)
#define STDOUT_FILENO 1
#endif
#endif
#include "aom/aom_decoder.h"
#include "aom/aomdx.h"
#include "aom_ports/aom_timer.h"
#include "aom_ports/mem_ops.h"
#include "common/args.h"
#include "common/ivfdec.h"
#include "common/md5_utils.h"
#include "common/obudec.h"
#include "common/tools_common.h"
#if CONFIG_WEBM_IO
#include "common/webmdec.h"
#endif
#include "common/rawenc.h"
#include "common/y4menc.h"
#if CONFIG_LIBYUV
#include <libyuv/scale.h>
#endif
static const char *exec_name;
struct AvxDecInputContext {
struct AvxInputContext *aom_input_ctx;
struct ObuDecInputContext *obu_ctx;
struct WebmInputContext *webm_ctx;
};
static const arg_def_t help =
ARG_DEF(NULL, "help", 0, "Show usage options and exit");
static const arg_def_t looparg =
ARG_DEF(NULL, "loops", 1, "Number of times to decode the file");
static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1, "Codec to use");
static const arg_def_t use_yv12 =
ARG_DEF(NULL, "yv12", 0, "Output raw YV12 frames");
static const arg_def_t use_i420 =
ARG_DEF(NULL, "i420", 0, "Output raw I420 frames");
static const arg_def_t flipuvarg =
ARG_DEF(NULL, "flipuv", 0, "Flip the chroma planes in the output");
static const arg_def_t rawvideo =
ARG_DEF(NULL, "rawvideo", 0, "Output raw YUV frames");
static const arg_def_t noblitarg =
ARG_DEF(NULL, "noblit", 0, "Don't process the decoded frames");
static const arg_def_t progressarg =
ARG_DEF(NULL, "progress", 0, "Show progress after each frame decodes");
static const arg_def_t limitarg =
ARG_DEF(NULL, "limit", 1, "Stop decoding after n frames");
static const arg_def_t skiparg =
ARG_DEF(NULL, "skip", 1, "Skip the first n input frames");
static const arg_def_t summaryarg =
ARG_DEF(NULL, "summary", 0, "Show timing summary");
static const arg_def_t outputfile =
ARG_DEF("o", "output", 1, "Output file name pattern (see below)");
static const arg_def_t threadsarg =
ARG_DEF("t", "threads", 1, "Max threads to use");
static const arg_def_t rowmtarg =
ARG_DEF(NULL, "row-mt", 1, "Enable row based multi-threading, default: 0");
static const arg_def_t verbosearg =
ARG_DEF("v", "verbose", 0, "Show version string");
static const arg_def_t scalearg =
ARG_DEF("S", "scale", 0, "Scale output frames uniformly");
static const arg_def_t continuearg =
ARG_DEF("k", "keep-going", 0, "(debug) Continue decoding after error");
static const arg_def_t fb_arg =
ARG_DEF(NULL, "frame-buffers", 1, "Number of frame buffers to use");
static const arg_def_t md5arg =
ARG_DEF(NULL, "md5", 0, "Compute the MD5 sum of the decoded frame");
static const arg_def_t framestatsarg =
ARG_DEF(NULL, "framestats", 1, "Output per-frame stats (.csv format)");
static const arg_def_t outbitdeptharg =
ARG_DEF(NULL, "output-bit-depth", 1, "Output bit-depth for decoded frames");
static const arg_def_t isannexb =
ARG_DEF(NULL, "annexb", 0, "Bitstream is in Annex-B format");
static const arg_def_t oppointarg = ARG_DEF(
NULL, "oppoint", 1, "Select an operating point of a scalable bitstream");
static const arg_def_t outallarg = ARG_DEF(
NULL, "all-layers", 0, "Output all decoded frames of a scalable bitstream");
static const arg_def_t skipfilmgrain =
ARG_DEF(NULL, "skip-film-grain", 0, "Skip film grain application");
static const arg_def_t *all_args[] = {
&help, &codecarg, &use_yv12, &use_i420,
&flipuvarg, &rawvideo, &noblitarg, &progressarg,
&limitarg, &skiparg, &summaryarg, &outputfile,
&threadsarg, &rowmtarg, &verbosearg, &scalearg,
&fb_arg, &md5arg, &framestatsarg, &continuearg,
&outbitdeptharg, &isannexb, &oppointarg, &outallarg,
&skipfilmgrain, NULL
};
#if CONFIG_LIBYUV
// Returns 0 on success and returns -1 on failure.
static inline int libyuv_scale(const aom_image_t *src, aom_image_t *dst,
FilterModeEnum mode) {
if (src->fmt != dst->fmt) {
fprintf(stderr,
"%s failed to scale output frame because format changed from %s to "
"%s\n",
exec_name, image_format_to_string(dst->fmt),
image_format_to_string(src->fmt));
return -1;
}
if (src->fmt == AOM_IMG_FMT_I42016) {
return I420Scale_16(
(uint16_t *)src->planes[AOM_PLANE_Y], src->stride[AOM_PLANE_Y] / 2,
(uint16_t *)src->planes[AOM_PLANE_U], src->stride[AOM_PLANE_U] / 2,
(uint16_t *)src->planes[AOM_PLANE_V], src->stride[AOM_PLANE_V] / 2,
src->d_w, src->d_h, (uint16_t *)dst->planes[AOM_PLANE_Y],
dst->stride[AOM_PLANE_Y] / 2, (uint16_t *)dst->planes[AOM_PLANE_U],
dst->stride[AOM_PLANE_U] / 2, (uint16_t *)dst->planes[AOM_PLANE_V],
dst->stride[AOM_PLANE_V] / 2, dst->d_w, dst->d_h, mode);
}
if (src->fmt == AOM_IMG_FMT_I420) {
return I420Scale(src->planes[AOM_PLANE_Y], src->stride[AOM_PLANE_Y],
src->planes[AOM_PLANE_U], src->stride[AOM_PLANE_U],
src->planes[AOM_PLANE_V], src->stride[AOM_PLANE_V],
src->d_w, src->d_h, dst->planes[AOM_PLANE_Y],
dst->stride[AOM_PLANE_Y], dst->planes[AOM_PLANE_U],
dst->stride[AOM_PLANE_U], dst->planes[AOM_PLANE_V],
dst->stride[AOM_PLANE_V], dst->d_w, dst->d_h, mode);
}
fprintf(stderr, "%s cannot scale output frame of format %s\n", exec_name,
image_format_to_string(src->fmt));
return -1;
}
#endif
static void show_help(FILE *fout, int shorthelp) {
fprintf(fout, "Usage: %s <options> filename\n\n", exec_name);
if (shorthelp) {
fprintf(fout, "Use --help to see the full list of options.\n");
return;
}
fprintf(fout, "Options:\n");
arg_show_usage(fout, all_args);
fprintf(fout,
"\nOutput File Patterns:\n\n"
" The -o argument specifies the name of the file(s) to "
"write to. If the\n argument does not include any escape "
"characters, the output will be\n written to a single file. "
"Otherwise, the filename will be calculated by\n expanding "
"the following escape characters:\n");
fprintf(fout,
"\n\t%%w - Frame width"
"\n\t%%h - Frame height"
"\n\t%%<n> - Frame number, zero padded to <n> places (1..9)"
"\n\n Pattern arguments are only supported in conjunction "
"with the --yv12 and\n --i420 options. If the -o option is "
"not specified, the output will be\n directed to stdout.\n");
fprintf(fout, "\nIncluded decoders:\n\n");
for (int i = 0; i < get_aom_decoder_count(); ++i) {
aom_codec_iface_t *decoder = get_aom_decoder_by_index(i);
fprintf(fout, " %-6s - %s\n", get_short_name_by_aom_decoder(decoder),
aom_codec_iface_name(decoder));
}
}
void usage_exit(void) {
show_help(stderr, 1);
exit(EXIT_FAILURE);
}
static int raw_read_frame(struct AvxInputContext *input_ctx, uint8_t **buffer,
size_t *bytes_read, size_t *buffer_size) {
unsigned char raw_hdr[RAW_FRAME_HDR_SZ];
size_t frame_size = 0;
if (read_from_input(input_ctx, RAW_FRAME_HDR_SZ, raw_hdr) !=
RAW_FRAME_HDR_SZ) {
if (!input_eof(input_ctx))
aom_tools_warn("Failed to read RAW frame size\n");
} else {
const size_t kCorruptFrameThreshold = 256 * 1024 * 1024;
const size_t kFrameTooSmallThreshold = 256 * 1024;
frame_size = mem_get_le32(raw_hdr);
if (frame_size > kCorruptFrameThreshold) {
aom_tools_warn("Read invalid frame size (%u)\n",
(unsigned int)frame_size);
frame_size = 0;
}
if (frame_size < kFrameTooSmallThreshold) {
aom_tools_warn(
"Warning: Read invalid frame size (%u) - not a raw file?\n",
(unsigned int)frame_size);
}
if (frame_size > *buffer_size) {
uint8_t *new_buf = realloc(*buffer, 2 * frame_size);
if (new_buf) {
*buffer = new_buf;
*buffer_size = 2 * frame_size;
} else {
aom_tools_warn("Failed to allocate compressed data buffer\n");
frame_size = 0;
}
}
}
if (!input_eof(input_ctx)) {
if (read_from_input(input_ctx, frame_size, *buffer) != frame_size) {
aom_tools_warn("Failed to read full frame\n");
return 1;
}
*bytes_read = frame_size;
return 0;
}
return 1;
}
static int read_frame(struct AvxDecInputContext *input, uint8_t **buf,
size_t *bytes_in_buffer, size_t *buffer_size) {
switch (input->aom_input_ctx->file_type) {
#if CONFIG_WEBM_IO
case FILE_TYPE_WEBM:
return webm_read_frame(input->webm_ctx, buf, bytes_in_buffer,
buffer_size);
#endif
case FILE_TYPE_RAW:
return raw_read_frame(input->aom_input_ctx, buf, bytes_in_buffer,
buffer_size);
case FILE_TYPE_IVF:
return ivf_read_frame(input->aom_input_ctx, buf, bytes_in_buffer,
buffer_size, NULL);
case FILE_TYPE_OBU:
return obudec_read_temporal_unit(input->obu_ctx, buf, bytes_in_buffer,
buffer_size);
default: return 1;
}
}
static int file_is_raw(struct AvxInputContext *input) {
uint8_t buf[32];
int is_raw = 0;
aom_codec_stream_info_t si;
memset(&si, 0, sizeof(si));
if (buffer_input(input, 32, buf, /*buffered=*/true) == 32) {
int i;
if (mem_get_le32(buf) < 256 * 1024 * 1024) {
for (i = 0; i < get_aom_decoder_count(); ++i) {
aom_codec_iface_t *decoder = get_aom_decoder_by_index(i);
if (!aom_codec_peek_stream_info(decoder, buf + 4, 32 - 4, &si)) {
is_raw = 1;
input->fourcc = get_fourcc_by_aom_decoder(decoder);
input->width = si.w;
input->height = si.h;
input->framerate.numerator = 30;
input->framerate.denominator = 1;
break;
}
}
}
}
rewind_detect(input);
return is_raw;
}
static void show_progress(int frame_in, int frame_out, uint64_t dx_time) {
fprintf(stderr,
"%d decoded frames/%d showed frames in %" PRId64 " us (%.2f fps)\r",
frame_in, frame_out, dx_time,
(double)frame_out * 1000000.0 / (double)dx_time);
}
struct ExternalFrameBuffer {
uint8_t *data;
size_t size;
int in_use;
};
struct ExternalFrameBufferList {
int num_external_frame_buffers;
struct ExternalFrameBuffer *ext_fb;
};
// Callback used by libaom to request an external frame buffer. |cb_priv|
// Application private data passed into the set function. |min_size| is the
// minimum size in bytes needed to decode the next frame. |fb| pointer to the
// frame buffer.
static int get_av1_frame_buffer(void *cb_priv, size_t min_size,
aom_codec_frame_buffer_t *fb) {
int i;
struct ExternalFrameBufferList *const ext_fb_list =
(struct ExternalFrameBufferList *)cb_priv;
if (ext_fb_list == NULL) return -1;
// Find a free frame buffer.
for (i = 0; i < ext_fb_list->num_external_frame_buffers; ++i) {
if (!ext_fb_list->ext_fb[i].in_use) break;
}
if (i == ext_fb_list->num_external_frame_buffers) return -1;
if (ext_fb_list->ext_fb[i].size < min_size) {
free(ext_fb_list->ext_fb[i].data);
ext_fb_list->ext_fb[i].data = (uint8_t *)calloc(min_size, sizeof(uint8_t));
if (!ext_fb_list->ext_fb[i].data) return -1;
ext_fb_list->ext_fb[i].size = min_size;
}
fb->data = ext_fb_list->ext_fb[i].data;
fb->size = ext_fb_list->ext_fb[i].size;
ext_fb_list->ext_fb[i].in_use = 1;
// Set the frame buffer's private data to point at the external frame buffer.
fb->priv = &ext_fb_list->ext_fb[i];
return 0;
}
// Callback used by libaom when there are no references to the frame buffer.
// |cb_priv| user private data passed into the set function. |fb| pointer
// to the frame buffer.
static int release_av1_frame_buffer(void *cb_priv,
aom_codec_frame_buffer_t *fb) {
struct ExternalFrameBuffer *const ext_fb =
(struct ExternalFrameBuffer *)fb->priv;
(void)cb_priv;
ext_fb->in_use = 0;
return 0;
}
static void generate_filename(const char *pattern, char *out, size_t q_len,
unsigned int d_w, unsigned int d_h,
unsigned int frame_in) {
const char *p = pattern;
char *q = out;
do {
char *next_pat = strchr(p, '%');
if (p == next_pat) {
size_t pat_len;
/* parse the pattern */
q[q_len - 1] = '\0';
switch (p[1]) {
case 'w': snprintf(q, q_len - 1, "%d", d_w); break;
case 'h': snprintf(q, q_len - 1, "%d", d_h); break;
case '1': snprintf(q, q_len - 1, "%d", frame_in); break;
case '2': snprintf(q, q_len - 1, "%02d", frame_in); break;
case '3': snprintf(q, q_len - 1, "%03d", frame_in); break;
case '4': snprintf(q, q_len - 1, "%04d", frame_in); break;
case '5': snprintf(q, q_len - 1, "%05d", frame_in); break;
case '6': snprintf(q, q_len - 1, "%06d", frame_in); break;
case '7': snprintf(q, q_len - 1, "%07d", frame_in); break;
case '8': snprintf(q, q_len - 1, "%08d", frame_in); break;
case '9': snprintf(q, q_len - 1, "%09d", frame_in); break;
default: die("Unrecognized pattern %%%c\n", p[1]);
}
pat_len = strlen(q);
if (pat_len >= q_len - 1) die("Output filename too long.\n");
q += pat_len;
p += 2;
q_len -= pat_len;
} else {
size_t copy_len;
/* copy the next segment */
if (!next_pat)
copy_len = strlen(p);
else
copy_len = next_pat - p;
if (copy_len >= q_len - 1) die("Output filename too long.\n");
memcpy(q, p, copy_len);
q[copy_len] = '\0';
q += copy_len;
p += copy_len;
q_len -= copy_len;
}
} while (*p);
}
static int is_single_file(const char *outfile_pattern) {
const char *p = outfile_pattern;
do {
p = strchr(p, '%');
if (p && p[1] >= '1' && p[1] <= '9')
return 0; // pattern contains sequence number, so it's not unique
if (p) p++;
} while (p);
return 1;
}
static void print_md5(unsigned char digest[16], const char *filename) {
int i;
for (i = 0; i < 16; ++i) printf("%02x", digest[i]);
printf(" %s\n", filename);
}
static FILE *open_outfile(const char *name) {
if (strcmp("-", name) == 0) {
set_binary_mode(stdout);
return stdout;
} else {
FILE *file = fopen(name, "wb");
if (!file) fatal("Failed to open output file '%s'", name);
return file;
}
}
static int main_loop(int argc, const char **argv_) {
aom_codec_ctx_t decoder;
char *fn = NULL;
int i;
int ret = EXIT_FAILURE;
uint8_t *buf = NULL;
size_t bytes_in_buffer = 0, buffer_size = 0;
FILE *infile;
int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0;
int do_md5 = 0, progress = 0;
int stop_after = 0, summary = 0, quiet = 1;
int arg_skip = 0;
int keep_going = 0;
uint64_t dx_time = 0;
struct arg arg;
char **argv, **argi, **argj;
int single_file;
int use_y4m = 1;
int opt_yv12 = 0;
int opt_i420 = 0;
int opt_raw = 0;
aom_codec_dec_cfg_t cfg = { 0, 0, 0, !FORCE_HIGHBITDEPTH_DECODING };
unsigned int fixed_output_bit_depth = 0;
unsigned int is_annexb = 0;
int frames_corrupted = 0;
int dec_flags = 0;
int do_scale = 0;
int operating_point = 0;
int output_all_layers = 0;
int skip_film_grain = 0;
int enable_row_mt = 0;
aom_image_t *scaled_img = NULL;
aom_image_t *img_shifted = NULL;
int frame_avail, got_data, flush_decoder = 0;
int num_external_frame_buffers = 0;
struct ExternalFrameBufferList ext_fb_list = { 0, NULL };
const char *outfile_pattern = NULL;
char outfile_name[PATH_MAX] = { 0 };
FILE *outfile = NULL;
FILE *framestats_file = NULL;
MD5Context md5_ctx;
unsigned char md5_digest[16];
struct AvxDecInputContext input = { NULL, NULL, NULL };
struct AvxInputContext aom_input_ctx;
memset(&aom_input_ctx, 0, sizeof(aom_input_ctx));
#if CONFIG_WEBM_IO
struct WebmInputContext webm_ctx;
memset(&webm_ctx, 0, sizeof(webm_ctx));
input.webm_ctx = &webm_ctx;
#endif
struct ObuDecInputContext obu_ctx = { NULL, NULL, 0, 0, 0 };
int is_ivf = 0;
obu_ctx.avx_ctx = &aom_input_ctx;
input.obu_ctx = &obu_ctx;
input.aom_input_ctx = &aom_input_ctx;
/* Parse command line */
exec_name = argv_[0];
argv = argv_dup(argc - 1, argv_ + 1);
if (!argv) {
fprintf(stderr, "Error allocating argument list\n");
return EXIT_FAILURE;
}
aom_codec_iface_t *interface = NULL;
for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
memset(&arg, 0, sizeof(arg));
arg.argv_step = 1;
if (arg_match(&arg, &help, argi)) {
show_help(stdout, 0);
exit(EXIT_SUCCESS);
} else if (arg_match(&arg, &codecarg, argi)) {
interface = get_aom_decoder_by_short_name(arg.val);
if (!interface)
die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
} else if (arg_match(&arg, &looparg, argi)) {
// no-op
} else if (arg_match(&arg, &outputfile, argi)) {
outfile_pattern = arg.val;
} else if (arg_match(&arg, &use_yv12, argi)) {
use_y4m = 0;
flipuv = 1;
opt_yv12 = 1;
opt_i420 = 0;
opt_raw = 0;
} else if (arg_match(&arg, &use_i420, argi)) {
use_y4m = 0;
flipuv = 0;
opt_yv12 = 0;
opt_i420 = 1;
opt_raw = 0;
} else if (arg_match(&arg, &rawvideo, argi)) {
use_y4m = 0;
opt_yv12 = 0;
opt_i420 = 0;
opt_raw = 1;
} else if (arg_match(&arg, &flipuvarg, argi)) {
flipuv = 1;
} else if (arg_match(&arg, &noblitarg, argi)) {
noblit = 1;
} else if (arg_match(&arg, &progressarg, argi)) {
progress = 1;
} else if (arg_match(&arg, &limitarg, argi)) {
stop_after = arg_parse_uint(&arg);
} else if (arg_match(&arg, &skiparg, argi)) {
arg_skip = arg_parse_uint(&arg);
} else if (arg_match(&arg, &md5arg, argi)) {
do_md5 = 1;
} else if (arg_match(&arg, &framestatsarg, argi)) {
framestats_file = fopen(arg.val, "w");
if (!framestats_file) {
die("Error: Could not open --framestats file (%s) for writing.\n",
arg.val);
}
} else if (arg_match(&arg, &summaryarg, argi)) {
summary = 1;
} else if (arg_match(&arg, &threadsarg, argi)) {
cfg.threads = arg_parse_uint(&arg);
#if !CONFIG_MULTITHREAD
if (cfg.threads > 1) {
die("Error: --threads=%d is not supported when CONFIG_MULTITHREAD = "
"0.\n",
cfg.threads);
}
#endif
} else if (arg_match(&arg, &rowmtarg, argi)) {
enable_row_mt = arg_parse_uint(&arg);
} else if (arg_match(&arg, &verbosearg, argi)) {
quiet = 0;
} else if (arg_match(&arg, &scalearg, argi)) {
do_scale = 1;
} else if (arg_match(&arg, &fb_arg, argi)) {
num_external_frame_buffers = arg_parse_uint(&arg);
} else if (arg_match(&arg, &continuearg, argi)) {
keep_going = 1;
} else if (arg_match(&arg, &outbitdeptharg, argi)) {
fixed_output_bit_depth = arg_parse_uint(&arg);
} else if (arg_match(&arg, &isannexb, argi)) {
is_annexb = 1;
input.obu_ctx->is_annexb = 1;
} else if (arg_match(&arg, &oppointarg, argi)) {
operating_point = arg_parse_int(&arg);
} else if (arg_match(&arg, &outallarg, argi)) {
output_all_layers = 1;
} else if (arg_match(&arg, &skipfilmgrain, argi)) {
skip_film_grain = 1;
} else {
argj++;
}
}
/* Check for unrecognized options */
for (argi = argv; *argi; argi++)
if (argi[0][0] == '-' && strlen(argi[0]) > 1)
die("Error: Unrecognized option %s\n", *argi);
/* Handle non-option arguments */
fn = argv[0];
if (!fn) {
free(argv);
fprintf(stderr, "No input file specified!\n");
usage_exit();
}
const bool using_file = strcmp(fn, "-") != 0;
/* Open file */
infile = using_file ? fopen(fn, "rb") : set_binary_mode(stdin);
if (!infile) {
fatal("Failed to open input file '%s'", using_file ? fn : "stdin");
}
#if CONFIG_OS_SUPPORT
/* Make sure we don't dump to the terminal, unless forced to with -o - */
if (!outfile_pattern && isatty(STDOUT_FILENO) && !do_md5 && !noblit) {
fprintf(stderr,
"Not dumping raw video to your terminal. Use '-o -' to "
"override.\n");
free(argv);
return EXIT_FAILURE;
}
#endif
input.aom_input_ctx->filename = fn;
input.aom_input_ctx->file = infile;
// TODO(https://crbug.com/aomedia/1706): webm type does not support reading
// from stdin yet, and file_is_webm is not using the detect buffer when
// determining the type. Therefore it should only be checked when using a file
// and needs to be checked prior to other types.
if (false) {
#if CONFIG_WEBM_IO
} else if (using_file && file_is_webm(input.webm_ctx, input.aom_input_ctx)) {
input.aom_input_ctx->file_type = FILE_TYPE_WEBM;
#endif
} else if (file_is_ivf(input.aom_input_ctx)) {
input.aom_input_ctx->file_type = FILE_TYPE_IVF;
is_ivf = 1;
} else if (file_is_obu(&obu_ctx)) {
input.aom_input_ctx->file_type = FILE_TYPE_OBU;
} else if (file_is_raw(input.aom_input_ctx)) {
input.aom_input_ctx->file_type = FILE_TYPE_RAW;
} else {
fprintf(stderr, "Unrecognized input file type.\n");
#if CONFIG_WEBM_IO
if (!using_file) {
fprintf(stderr, "aomdec does not support piped WebM input.\n");
}
#else
fprintf(stderr, "aomdec was built without WebM container support.\n");
#endif
free(argv);
return EXIT_FAILURE;
}
outfile_pattern = outfile_pattern ? outfile_pattern : "-";
single_file = is_single_file(outfile_pattern);
if (!noblit && single_file) {
generate_filename(outfile_pattern, outfile_name, PATH_MAX,
aom_input_ctx.width, aom_input_ctx.height, 0);
if (do_md5)
MD5Init(&md5_ctx);
else
outfile = open_outfile(outfile_name);
}
if (use_y4m && !noblit) {
if (!single_file) {
fprintf(stderr,
"YUV4MPEG2 not supported with output patterns,"
" try --i420 or --yv12 or --rawvideo.\n");
return EXIT_FAILURE;
}
#if CONFIG_WEBM_IO
if (aom_input_ctx.file_type == FILE_TYPE_WEBM) {
if (webm_guess_framerate(input.webm_ctx, input.aom_input_ctx)) {
fprintf(stderr,
"Failed to guess framerate -- error parsing "
"webm file?\n");
return EXIT_FAILURE;
}
}
#endif
}
aom_codec_iface_t *fourcc_interface =
get_aom_decoder_by_fourcc(aom_input_ctx.fourcc);
if (is_ivf && !fourcc_interface)
fatal("Unsupported fourcc: %x\n", aom_input_ctx.fourcc);
if (interface && fourcc_interface && interface != fourcc_interface)
aom_tools_warn("Header indicates codec: %s\n",
aom_codec_iface_name(fourcc_interface));
else
interface = fourcc_interface;
if (!interface) interface = get_aom_decoder_by_index(0);
dec_flags = 0;
if (aom_codec_dec_init(&decoder, interface, &cfg, dec_flags)) {
fprintf(stderr, "Failed to initialize decoder: %s\n",
aom_codec_error(&decoder));
goto fail2;
}
if (!quiet) fprintf(stderr, "%s\n", decoder.name);
if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_SET_IS_ANNEXB, is_annexb)) {
fprintf(stderr, "Failed to set is_annexb: %s\n", aom_codec_error(&decoder));
goto fail;
}
if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_SET_OPERATING_POINT,
operating_point)) {
fprintf(stderr, "Failed to set operating_point: %s\n",
aom_codec_error(&decoder));
goto fail;
}
if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_SET_OUTPUT_ALL_LAYERS,
output_all_layers)) {
fprintf(stderr, "Failed to set output_all_layers: %s\n",
aom_codec_error(&decoder));
goto fail;
}
if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_SET_SKIP_FILM_GRAIN,
skip_film_grain)) {
fprintf(stderr, "Failed to set skip_film_grain: %s\n",
aom_codec_error(&decoder));
goto fail;
}
if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_SET_ROW_MT, enable_row_mt)) {
fprintf(stderr, "Failed to set row multithreading mode: %s\n",
aom_codec_error(&decoder));
goto fail;
}
if (arg_skip) fprintf(stderr, "Skipping first %d frames.\n", arg_skip);
while (arg_skip) {
if (read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) break;
arg_skip--;
}
if (num_external_frame_buffers > 0) {
ext_fb_list.num_external_frame_buffers = num_external_frame_buffers;
ext_fb_list.ext_fb = (struct ExternalFrameBuffer *)calloc(
num_external_frame_buffers, sizeof(*ext_fb_list.ext_fb));
if (!ext_fb_list.ext_fb) {
fprintf(stderr, "Failed to allocate ExternalFrameBuffer\n");
goto fail;
}
if (aom_codec_set_frame_buffer_functions(&decoder, get_av1_frame_buffer,
release_av1_frame_buffer,
&ext_fb_list)) {
fprintf(stderr, "Failed to configure external frame buffers: %s\n",
aom_codec_error(&decoder));
goto fail;
}
}
frame_avail = 1;
got_data = 0;
if (framestats_file) fprintf(framestats_file, "bytes,qp\r\n");
/* Decode file */
while (frame_avail || got_data) {
aom_codec_iter_t iter = NULL;
aom_image_t *img;
struct aom_usec_timer timer;
int corrupted = 0;
frame_avail = 0;
if (!stop_after || frame_in < stop_after) {
if (!read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) {
frame_avail = 1;
frame_in++;
aom_usec_timer_start(&timer);
if (aom_codec_decode(&decoder, buf, bytes_in_buffer, NULL)) {
const char *detail = aom_codec_error_detail(&decoder);
aom_tools_warn("Failed to decode frame %d: %s", frame_in,
aom_codec_error(&decoder));
if (detail) aom_tools_warn("Additional information: %s", detail);
if (!keep_going) goto fail;
}
if (framestats_file) {
int qp;
if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AOMD_GET_LAST_QUANTIZER,
&qp)) {
aom_tools_warn("Failed AOMD_GET_LAST_QUANTIZER: %s",
aom_codec_error(&decoder));
if (!keep_going) goto fail;
}
fprintf(framestats_file, "%d,%d\r\n", (int)bytes_in_buffer, qp);
}
aom_usec_timer_mark(&timer);
dx_time += aom_usec_timer_elapsed(&timer);
} else {
flush_decoder = 1;
}
} else {
flush_decoder = 1;
}
aom_usec_timer_start(&timer);
if (flush_decoder) {
// Flush the decoder.
if (aom_codec_decode(&decoder, NULL, 0, NULL)) {
aom_tools_warn("Failed to flush decoder: %s",
aom_codec_error(&decoder));
}
}
aom_usec_timer_mark(&timer);
dx_time += aom_usec_timer_elapsed(&timer);
got_data = 0;
// TODO(aomedia:3519): Change the prototype of aom_codec_get_frame_fn_t to
// facilitate error handling.
while ((img = aom_codec_get_frame(&decoder, &iter))) {
++frame_out;
got_data = 1;
if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AOMD_GET_FRAME_CORRUPTED,
&corrupted)) {
aom_tools_warn("Failed AOM_GET_FRAME_CORRUPTED: %s",
aom_codec_error(&decoder));
if (!keep_going) goto fail;
}
frames_corrupted += corrupted;
if (progress) show_progress(frame_in, frame_out, dx_time);
if (!noblit) {
const int PLANES_YUV[] = { AOM_PLANE_Y, AOM_PLANE_U, AOM_PLANE_V };
const int PLANES_YVU[] = { AOM_PLANE_Y, AOM_PLANE_V, AOM_PLANE_U };
const int *planes = flipuv ? PLANES_YVU : PLANES_YUV;
if (do_scale) {
if (frame_out == 1) {
// If the output frames are to be scaled to a fixed display size
// then use the width and height specified in the container. If
// either of these is set to 0, use the display size set in the
// first frame header. If that is unavailable, use the raw decoded
// size of the first decoded frame.
int render_width = aom_input_ctx.width;
int render_height = aom_input_ctx.height;
if (!render_width || !render_height) {
int render_size[2];
if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_GET_DISPLAY_SIZE,
render_size)) {
// As last resort use size of first frame as display size.
render_width = img->d_w;
render_height = img->d_h;
} else {
render_width = render_size[0];
render_height = render_size[1];
}
}
scaled_img =
aom_img_alloc(NULL, img->fmt, render_width, render_height, 16);
if (!scaled_img) {
fprintf(stderr, "Failed to allocate scaled image (%d x %d)\n",
render_width, render_height);
goto fail;
}
scaled_img->bit_depth = img->bit_depth;
scaled_img->monochrome = img->monochrome;
scaled_img->csp = img->csp;
}
if (img->d_w != scaled_img->d_w || img->d_h != scaled_img->d_h) {
#if CONFIG_LIBYUV
if (libyuv_scale(img, scaled_img, kFilterBox) != 0) goto fail;
img = scaled_img;
#else
fprintf(
stderr,
"Failed to scale output frame: %s.\n"
"libyuv is required for scaling but is currently disabled.\n"
"Be sure to specify -DCONFIG_LIBYUV=1 when running cmake.\n",
aom_codec_error(&decoder));
goto fail;
#endif
}
}
// Default to codec bit depth if output bit depth not set
unsigned int output_bit_depth;
if (!fixed_output_bit_depth && single_file) {
output_bit_depth = img->bit_depth;
} else {
output_bit_depth = fixed_output_bit_depth;
}
// Shift up or down if necessary
if (output_bit_depth != 0) {
if (!aom_shift_img(output_bit_depth, &img, &img_shifted)) {
fprintf(stderr, "Error allocating image\n");
goto fail;
}
}
aom_input_ctx.width = img->d_w;
aom_input_ctx.height = img->d_h;
int num_planes = (opt_raw && img->monochrome) ? 1 : 3;
if (single_file) {
if (use_y4m) {
char y4m_buf[Y4M_BUFFER_SIZE] = { 0 };
size_t len = 0;
if (frame_out == 1) {
// Y4M file header
len = y4m_write_file_header(
y4m_buf, sizeof(y4m_buf), aom_input_ctx.width,
aom_input_ctx.height, &aom_input_ctx.framerate,
img->monochrome, img->csp, img->fmt, img->bit_depth,
img->range);
if (img->csp == AOM_CSP_COLOCATED) {
fprintf(stderr,
"Warning: Y4M lacks a colorspace for colocated "
"chroma. Using a placeholder.\n");
}
if (do_md5) {
MD5Update(&md5_ctx, (md5byte *)y4m_buf, (unsigned int)len);
} else {
fputs(y4m_buf, outfile);
}
}
// Y4M frame header
len = y4m_write_frame_header(y4m_buf, sizeof(y4m_buf));
if (do_md5) {
MD5Update(&md5_ctx, (md5byte *)y4m_buf, (unsigned int)len);
y4m_update_image_md5(img, planes, &md5_ctx);
} else {
fputs(y4m_buf, outfile);
y4m_write_image_file(img, planes, outfile);
}
} else {
if (frame_out == 1) {
// Check if --yv12 or --i420 options are consistent with the
// bit-stream decoded
if (opt_i420) {
if (img->fmt != AOM_IMG_FMT_I420 &&
img->fmt != AOM_IMG_FMT_I42016) {
fprintf(stderr,
"Cannot produce i420 output for bit-stream.\n");
goto fail;
}
}
if (opt_yv12) {
if ((img->fmt != AOM_IMG_FMT_I420 &&
img->fmt != AOM_IMG_FMT_YV12) ||
img->bit_depth != 8) {
fprintf(stderr,
"Cannot produce yv12 output for bit-stream.\n");
goto fail;
}
}
}
if (do_md5) {
raw_update_image_md5(img, planes, num_planes, &md5_ctx);
} else {
raw_write_image_file(img, planes, num_planes, outfile);
}
}
} else {
generate_filename(outfile_pattern, outfile_name, PATH_MAX, img->d_w,
img->d_h, frame_in);
if (do_md5) {
MD5Init(&md5_ctx);
if (use_y4m) {
y4m_update_image_md5(img, planes, &md5_ctx);
} else {
raw_update_image_md5(img, planes, num_planes, &md5_ctx);
}
MD5Final(md5_digest, &md5_ctx);
print_md5(md5_digest, outfile_name);
} else {
outfile = open_outfile(outfile_name);
if (use_y4m) {
y4m_write_image_file(img, planes, outfile);
} else {
raw_write_image_file(img, planes, num_planes, outfile);
}
fclose(outfile);
}
}
}
}
}
if (summary || progress) {
show_progress(frame_in, frame_out, dx_time);
fprintf(stderr, "\n");
}
if (frames_corrupted) {
fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);
} else {
ret = EXIT_SUCCESS;
}
fail:
if (aom_codec_destroy(&decoder)) {
fprintf(stderr, "Failed to destroy decoder: %s\n",
aom_codec_error(&decoder));
}
fail2:
if (!noblit && single_file) {
if (do_md5) {
MD5Final(md5_digest, &md5_ctx);
print_md5(md5_digest, outfile_name);
} else {
fclose(outfile);
}
}
#if CONFIG_WEBM_IO
if (input.aom_input_ctx->file_type == FILE_TYPE_WEBM)
webm_free(input.webm_ctx);
#endif
if (input.aom_input_ctx->file_type == FILE_TYPE_OBU)
obudec_free(input.obu_ctx);
if (input.aom_input_ctx->file_type != FILE_TYPE_WEBM) free(buf);
if (scaled_img) aom_img_free(scaled_img);
if (img_shifted) aom_img_free(img_shifted);
for (i = 0; i < ext_fb_list.num_external_frame_buffers; ++i) {
free(ext_fb_list.ext_fb[i].data);
}
free(ext_fb_list.ext_fb);
fclose(infile);
if (framestats_file) fclose(framestats_file);
free(argv);
return ret;
}
int main(int argc, const char **argv_) {
unsigned int loops = 1, i;
char **argv, **argi, **argj;
struct arg arg;
int error = 0;
argv = argv_dup(argc - 1, argv_ + 1);
if (!argv) {
fprintf(stderr, "Error allocating argument list\n");
return EXIT_FAILURE;
}
for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
memset(&arg, 0, sizeof(arg));
arg.argv_step = 1;
if (arg_match(&arg, &looparg, argi)) {
loops = arg_parse_uint(&arg);
break;
}
}
free(argv);
for (i = 0; !error && i < loops; i++) error = main_loop(argc, argv_);
return error;
}
aom_decoder.h
Describes the decoder algorithm interface to applications.
aom_codec_frame_buffer_t
struct aom_codec_frame_buffer aom_codec_frame_buffer_t
External frame buffer.
AOM_PLANE_U
#define AOM_PLANE_U
Definition aom_image.h:240
AOM_CSP_COLOCATED
@ AOM_CSP_COLOCATED
Definition aom_image.h:159
AOM_PLANE_Y
#define AOM_PLANE_Y
Definition aom_image.h:239
AOM_PLANE_V
#define AOM_PLANE_V
Definition aom_image.h:241
aom_img_alloc
aom_image_t * aom_img_alloc(aom_image_t *img, aom_img_fmt_t fmt, unsigned int d_w, unsigned int d_h, unsigned int align)
Open a descriptor, allocating storage for the underlying image.
AOM_IMG_FMT_I42016
@ AOM_IMG_FMT_I42016
Definition aom_image.h:65
AOM_IMG_FMT_I420
@ AOM_IMG_FMT_I420
Definition aom_image.h:45
AOM_IMG_FMT_YV12
@ AOM_IMG_FMT_YV12
Definition aom_image.h:43
aom_image_t
struct aom_image aom_image_t
Image Descriptor.
aom_img_free
void aom_img_free(aom_image_t *img)
Close an image descriptor.
aomdx.h
Provides definitions for using AOM or AV1 within the aom Decoder interface.
AOMD_GET_FRAME_CORRUPTED
@ AOMD_GET_FRAME_CORRUPTED
Codec control function to check if the indicated frame is corrupted, int* parameter.
Definition aomdx.h:204
AV1D_SET_SKIP_FILM_GRAIN
@ AV1D_SET_SKIP_FILM_GRAIN
Codec control function to set the skip film grain flag, int parameter.
Definition aomdx.h:390
AV1D_SET_IS_ANNEXB
@ AV1D_SET_IS_ANNEXB
Codec control function to indicate whether bitstream is in Annex-B format, unsigned int parameter.
Definition aomdx.h:352
AV1D_SET_ROW_MT
@ AV1D_SET_ROW_MT
Codec control function to enable the row based multi-threading of decoding, unsigned int parameter.
Definition aomdx.h:347
AV1D_GET_DISPLAY_SIZE
@ AV1D_GET_DISPLAY_SIZE
Codec control function to get the current frame's intended display dimensions (as specified in the wr...
Definition aomdx.h:225
AV1D_SET_OUTPUT_ALL_LAYERS
@ AV1D_SET_OUTPUT_ALL_LAYERS
Codec control function to indicate whether to output one frame per temporal unit (the default),...
Definition aomdx.h:374
AV1D_SET_OPERATING_POINT
@ AV1D_SET_OPERATING_POINT
Codec control function to indicate which operating point to use, int parameter.
Definition aomdx.h:362
AOMD_GET_LAST_QUANTIZER
@ AOMD_GET_LAST_QUANTIZER
Codec control function to get last decoded frame quantizer, int* parameter.
Definition aomdx.h:297
aom_codec_set_frame_buffer_functions
aom_codec_err_t aom_codec_set_frame_buffer_functions(aom_codec_ctx_t *ctx, aom_get_frame_buffer_cb_fn_t cb_get, aom_release_frame_buffer_cb_fn_t cb_release, void *cb_priv)
Pass in external frame buffers for the decoder to use.
aom_codec_iface_name
const char * aom_codec_iface_name(aom_codec_iface_t *iface)
Return the name for a given interface.
aom_codec_ctx_t
struct aom_codec_ctx aom_codec_ctx_t
Codec context structure.
aom_codec_iface_t
const struct aom_codec_iface aom_codec_iface_t
Codec interface structure.
Definition aom_codec.h:271
aom_codec_error
const char * aom_codec_error(const aom_codec_ctx_t *ctx)
Retrieve error synopsis for codec context.
aom_codec_destroy
aom_codec_err_t aom_codec_destroy(aom_codec_ctx_t *ctx)
Destroy a codec instance.
AOM_CODEC_CONTROL_TYPECHECKED
#define AOM_CODEC_CONTROL_TYPECHECKED(ctx, id, data)
aom_codec_control wrapper macro (adds type-checking, less flexible)
Definition aom_codec.h:542
aom_codec_error_detail
const char * aom_codec_error_detail(const aom_codec_ctx_t *ctx)
Retrieve detailed error information for codec context.
aom_codec_iter_t
const void * aom_codec_iter_t
Iterator.
Definition aom_codec.h:305
aom_codec_peek_stream_info
aom_codec_err_t aom_codec_peek_stream_info(aom_codec_iface_t *iface, const uint8_t *data, size_t data_sz, aom_codec_stream_info_t *si)
Parse stream info from a buffer.
aom_codec_stream_info_t
struct aom_codec_stream_info aom_codec_stream_info_t
Initialization-time Feature Enabling.
aom_codec_get_frame
aom_image_t * aom_codec_get_frame(aom_codec_ctx_t *ctx, aom_codec_iter_t *iter)
Decoded frames iterator.
aom_codec_decode
aom_codec_err_t aom_codec_decode(aom_codec_ctx_t *ctx, const uint8_t *data, size_t data_sz, void *user_priv)
Decode data.
aom_codec_dec_cfg_t
struct aom_codec_dec_cfg aom_codec_dec_cfg_t
Initialization Configurations.
aom_codec_dec_init
#define aom_codec_dec_init(ctx, iface, cfg, flags)
Convenience macro for aom_codec_dec_init_ver().
Definition aom_decoder.h:133
aom_codec_ctx::name
const char * name
Definition aom_codec.h:316
aom_codec_dec_cfg::threads
unsigned int threads
Definition aom_decoder.h:92
aom_codec_frame_buffer::data
uint8_t * data
Definition aom_frame_buffer.h:41
aom_codec_frame_buffer::size
size_t size
Definition aom_frame_buffer.h:42
aom_codec_frame_buffer::priv
void * priv
Definition aom_frame_buffer.h:43
aom_codec_stream_info::h
unsigned int h
Definition aom_decoder.h:73
aom_codec_stream_info::w
unsigned int w
Definition aom_decoder.h:72
aom_image::bit_depth
unsigned int bit_depth
Definition aom_image.h:223
aom_image::csp
aom_chroma_sample_position_t csp
Definition aom_image.h:217
aom_image::fmt
aom_img_fmt_t fmt
Definition aom_image.h:212
aom_image::stride
int stride[3]
Definition aom_image.h:250
aom_image::d_w
unsigned int d_w
Definition aom_image.h:226
aom_image::monochrome
int monochrome
Definition aom_image.h:216
aom_image::d_h
unsigned int d_h
Definition aom_image.h:227
aom_image::range
aom_color_range_t range
Definition aom_image.h:218
aom_image::planes
unsigned char * planes[3]
Definition aom_image.h:244