/*

* 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 <assert.h>

#include <stdio.h>

#include <stdlib.h>

#include <stdarg.h>

#include <string.h>

#include <limits.h>

#include "./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

#if CONFIG_LIBYUV

#include "third_party/libyuv/include/libyuv/scale.h"

#endif

#include "./args.h"

#include "./ivfdec.h"

#include "aom/aom_decoder.h"

#include "aom_ports/mem_ops.h"

#include "aom_ports/aom_timer.h"

#if CONFIG_AV1_DECODER

#include "aom/aomdx.h"

#endif

#include "./md5_utils.h"

#include "./tools_common.h"

#if CONFIG_WEBM_IO

#include "./webmdec.h"

#endif

#include "./y4menc.h"

static const char *exec_name;

struct AvxDecInputContext {

struct AvxInputContext *aom_input_ctx;

struct WebmInputContext *webm_ctx;

};

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 postprocarg =

ARG_DEF(NULL, "postproc", 0, "Postprocess decoded 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 frameparallelarg =

ARG_DEF(NULL, "frame-parallel", 0, "Frame parallel decode");

static const arg_def_t verbosearg =

ARG_DEF("v", "verbose", 0, "Show version string");

static const arg_def_t error_concealment =

ARG_DEF(NULL, "error-concealment", 0, "Enable decoder error-concealment");

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)");

#if CONFIG_AOM_HIGHBITDEPTH

static const arg_def_t outbitdeptharg =

ARG_DEF(NULL, "output-bit-depth", 1, "Output bit-depth for decoded frames");

#endif

#if CONFIG_EXT_TILE

static const arg_def_t tiler = ARG_DEF(NULL, "tile-row", 1,

"Row index of tile to decode "

"(-1 for all rows)");

static const arg_def_t tilec = ARG_DEF(NULL, "tile-column", 1,

"Column index of tile to decode "

"(-1 for all columns)");

#endif // CONFIG_EXT_TILE

static const arg_def_t *all_args[] = { &codecarg,

&use_yv12,

&use_i420,

&flipuvarg,

&rawvideo,

&noblitarg,

&progressarg,

&limitarg,

&skiparg,

&postprocarg,

&summaryarg,

&outputfile,

&threadsarg,

&frameparallelarg,

&verbosearg,

&scalearg,

&fb_arg,

&md5arg,

&framestatsarg,

&error_concealment,

&continuearg,

#if CONFIG_AOM_HIGHBITDEPTH

&outbitdeptharg,

#endif

#if CONFIG_EXT_TILE

&tiler,

&tilec,

#endif // CONFIG_EXT_TILE

NULL };

#if CONFIG_LIBYUV

static INLINE int libyuv_scale(aom_image_t *src, aom_image_t *dst,

FilterModeEnum mode) {

#if CONFIG_AOM_HIGHBITDEPTH

if (src->fmt == AOM_IMG_FMT_I42016) {

assert(dst->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);

}

#endif

assert(src->fmt == AOM_IMG_FMT_I420);

assert(dst->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);

}

#endif

void usage_exit(void) {

int i;

fprintf(stderr,

"Usage: %s <options> filename\n\n"

"Options:\n",

exec_name);

arg_show_usage(stderr, all_args);

fprintf(stderr,

"\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(stderr,

"\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(stderr, "\nIncluded decoders:\n\n");

for (i = 0; i < get_aom_decoder_count(); ++i) {

const AvxInterface *const decoder = get_aom_decoder_by_index(i);

fprintf(stderr, " %-6s - %s\n", decoder->name,

aom_codec_iface_name(decoder->codec_interface()));

}

exit(EXIT_FAILURE);

}

static int raw_read_frame(FILE *infile, uint8_t **buffer, size_t *bytes_read,

size_t *buffer_size) {

char raw_hdr[RAW_FRAME_HDR_SZ];

size_t frame_size = 0;

if (fread(raw_hdr, RAW_FRAME_HDR_SZ, 1, infile) != 1) {

if (!feof(infile)) 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) {

warn("Read invalid frame size (%u)\n", (unsigned int)frame_size);

frame_size = 0;

}

if (frame_size < kFrameTooSmallThreshold) {

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 {

warn("Failed to allocate compressed data buffer\n");

frame_size = 0;

}

}

}

if (!feof(infile)) {

if (fread(*buffer, 1, frame_size, infile) != frame_size) {

warn("Failed to read full frame\n");

return 1;

}

*bytes_read = frame_size;

}

return 0;

}

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);

#endif

case FILE_TYPE_RAW:

return raw_read_frame(input->aom_input_ctx->file, buf, bytes_in_buffer,

buffer_size);

case FILE_TYPE_IVF:

return ivf_read_frame(input->aom_input_ctx->file, buf, bytes_in_buffer,

buffer_size);

default: return 1;

}

}

static void update_image_md5(const aom_image_t *img, const int planes[3],

MD5Context *md5) {

int i, y;

for (i = 0; i < 3; ++i) {

const int plane = planes[i];

const unsigned char *buf = img->planes[plane];

const int stride = img->stride[plane];

const int w = aom_img_plane_width(img, plane) *

((img->fmt & AOM_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);

const int h = aom_img_plane_height(img, plane);

for (y = 0; y < h; ++y) {

MD5Update(md5, buf, w);

buf += stride;

}

}

}

static void write_image_file(const aom_image_t *img, const int planes[3],

FILE *file) {

int i, y;

#if CONFIG_AOM_HIGHBITDEPTH

const int bytes_per_sample = ((img->fmt & AOM_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);

#else

const int bytes_per_sample = 1;

#endif

for (i = 0; i < 3; ++i) {

const int plane = planes[i];

const unsigned char *buf = img->planes[plane];

const int stride = img->stride[plane];

const int w = aom_img_plane_width(img, plane);

const int h = aom_img_plane_height(img, plane);

for (y = 0; y < h; ++y) {

fwrite(buf, bytes_per_sample, w, file);

buf += stride;

}

}

}

static int file_is_raw(struct AvxInputContext *input) {

uint8_t buf[32];

int is_raw = 0;

aom_codec_stream_info_t si;

si.sz = sizeof(si);

if (fread(buf, 1, 32, input->file) == 32) {

int i;

if (mem_get_le32(buf) < 256 * 1024 * 1024) {

for (i = 0; i < get_aom_decoder_count(); ++i) {

const AvxInterface *const decoder = get_aom_decoder_by_index(i);

if (!aom_codec_peek_stream_info(decoder->codec_interface(), buf + 4,

32 - 4, &si)) {

is_raw = 1;

input->fourcc = decoder->fourcc;

input->width = si.w;

input->height = si.h;

input->framerate.numerator = 30;

input->framerate.denominator = 1;

break;

}

}

}

}

rewind(input->file);

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 {

};

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]); break;

}

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;

}

}

#if CONFIG_AOM_HIGHBITDEPTH

static int img_shifted_realloc_required(const aom_image_t *img,

const aom_image_t *shifted,

aom_img_fmt_t required_fmt) {

return img->d_w != shifted->d_w || img->d_h != shifted->d_h ||

required_fmt != shifted->fmt;

}

#endif

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, frame_parallel = 0;

int stop_after = 0, postproc = 0, summary = 0, quiet = 1;

int arg_skip = 0;

int ec_enabled = 0;

int keep_going = 0;

const AvxInterface *interface = NULL;

const AvxInterface *fourcc_interface = NULL;

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;

aom_codec_dec_cfg_t cfg = { 0, 0, 0 };

#if CONFIG_AOM_HIGHBITDEPTH

unsigned int output_bit_depth = 0;

#endif

#if CONFIG_EXT_TILE

int tile_row = -1;

int tile_col = -1;

#endif // CONFIG_EXT_TILE

int frames_corrupted = 0;

int dec_flags = 0;

int do_scale = 0;

aom_image_t *scaled_img = NULL;

#if CONFIG_AOM_HIGHBITDEPTH

aom_image_t *img_shifted = NULL;

#endif

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 };

struct AvxInputContext aom_input_ctx;

#if CONFIG_WEBM_IO

struct WebmInputContext webm_ctx;

memset(&(webm_ctx), 0, sizeof(webm_ctx));

input.webm_ctx = &webm_ctx;

#endif

input.aom_input_ctx = &aom_input_ctx;

/* Parse command line */

exec_name = argv_[0];

argv = argv_dup(argc - 1, argv_ + 1);

for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {

memset(&arg, 0, sizeof(arg));

arg.argv_step = 1;

if (arg_match(&arg, &codecarg, argi)) {

interface = get_aom_decoder_by_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;

} else if (arg_match(&arg, &use_i420, argi)) {

use_y4m = 0;

flipuv = 0;

opt_i420 = 1;

} else if (arg_match(&arg, &rawvideo, argi)) {

use_y4m = 0;

} 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, &postprocarg, argi)) {

postproc = 1;

} 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_AV1_DECODER

else if (arg_match(&arg, &frameparallelarg, argi))

frame_parallel = 1;

#endif

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;

#if CONFIG_AOM_HIGHBITDEPTH

else if (arg_match(&arg, &outbitdeptharg, argi)) {

output_bit_depth = arg_parse_uint(&arg);

}

#endif

#if CONFIG_EXT_TILE

else if (arg_match(&arg, &tiler, argi))

tile_row = arg_parse_int(&arg);

else if (arg_match(&arg, &tilec, argi))

tile_col = arg_parse_int(&arg);

#endif // CONFIG_EXT_TILE

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);

usage_exit();

}

/* Open file */

infile = strcmp(fn, "-") ? fopen(fn, "rb") : set_binary_mode(stdin);

if (!infile) {

fatal("Failed to open input file '%s'", strcmp(fn, "-") ? 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");

return EXIT_FAILURE;

}

#endif

input.aom_input_ctx->file = infile;

if (file_is_ivf(input.aom_input_ctx))

input.aom_input_ctx->file_type = FILE_TYPE_IVF;

#if CONFIG_WEBM_IO

else if (file_is_webm(input.webm_ctx, input.aom_input_ctx))

input.aom_input_ctx->file_type = FILE_TYPE_WEBM;

#endif

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

fprintf(stderr, "aomdec was built without WebM container support.\n");

#endif

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

}

fourcc_interface = get_aom_decoder_by_fourcc(aom_input_ctx.fourcc);

if (interface && fourcc_interface && interface != fourcc_interface)

warn("Header indicates codec: %s\n", fourcc_interface->name);

else

interface = fourcc_interface;

if (!interface) interface = get_aom_decoder_by_index(0);

dec_flags = (postproc ? AOM_CODEC_USE_POSTPROC : 0) |

(ec_enabled ? AOM_CODEC_USE_ERROR_CONCEALMENT : 0) |

(frame_parallel ? AOM_CODEC_USE_FRAME_THREADING : 0);

if (aom_codec_dec_init(&decoder, interface->codec_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 CONFIG_AV1_DECODER && CONFIG_EXT_TILE

if (aom_codec_control(&decoder, AV1_SET_DECODE_TILE_ROW, tile_row)) {

fprintf(stderr, "Failed to set decode_tile_row: %s\n",

aom_codec_error(&decoder));

goto fail;

}

if (aom_codec_control(&decoder, AV1_SET_DECODE_TILE_COL, tile_col)) {

fprintf(stderr, "Failed to set decode_tile_col: %s\n",

aom_codec_error(&decoder));

goto fail;

}

#endif

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 (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, (unsigned int)bytes_in_buffer, NULL,

0)) {

const char *detail = aom_codec_error_detail(&decoder);

warn("Failed to decode frame %d: %s", frame_in,

aom_codec_error(&decoder));

if (detail) warn("Additional information: %s", detail);

if (!keep_going) goto fail;

}

if (framestats_file) {

int qp;

if (aom_codec_control(&decoder, AOMD_GET_LAST_QUANTIZER, &qp)) {

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 in frame parallel decode.

if (aom_codec_decode(&decoder, NULL, 0, NULL, 0)) {

warn("Failed to flush decoder: %s", aom_codec_error(&decoder));

}

}

got_data = 0;

if ((img = aom_codec_get_frame(&decoder, &iter))) {

++frame_out;

got_data = 1;

}

aom_usec_timer_mark(&timer);

dx_time += (unsigned int)aom_usec_timer_elapsed(&timer);

if (!frame_parallel &&

aom_codec_control(&decoder, AOMD_GET_FRAME_CORRUPTED, &corrupted)) {

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 && img) {

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(&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);

scaled_img->bit_depth = img->bit_depth;

}

if (img->d_w != scaled_img->d_w || img->d_h != scaled_img->d_h) {

#if CONFIG_LIBYUV

libyuv_scale(img, scaled_img, kFilterBox);

img = scaled_img;

#else

fprintf(stderr,

"Failed to scale output frame: %s.\n"

"Scaling is disabled in this configuration. "

"To enable scaling, configure with --enable-libyuv\n",

aom_codec_error(&decoder));

goto fail;

#endif

}

}

#if CONFIG_AOM_HIGHBITDEPTH

// Default to codec bit depth if output bit depth not set

if (!output_bit_depth && single_file && !do_md5) {

output_bit_depth = img->bit_depth;

}

// Shift up or down if necessary

if (output_bit_depth != 0 && output_bit_depth != img->bit_depth) {

const aom_img_fmt_t shifted_fmt =

output_bit_depth == 8

? img->fmt ^ (img->fmt & AOM_IMG_FMT_HIGHBITDEPTH)

: img->fmt | AOM_IMG_FMT_HIGHBITDEPTH;

if (img_shifted &&

img_shifted_realloc_required(img, img_shifted, shifted_fmt)) {

aom_img_free(img_shifted);

img_shifted = NULL;

}

if (!img_shifted) {

img_shifted =

aom_img_alloc(NULL, shifted_fmt, img->d_w, img->d_h, 16);

img_shifted->bit_depth = output_bit_depth;

}

if (output_bit_depth > img->bit_depth) {

aom_img_upshift(img_shifted, img, output_bit_depth - img->bit_depth);

} else {

aom_img_downshift(img_shifted, img,

img->bit_depth - output_bit_depth);

}

img = img_shifted;

}

#endif

#if CONFIG_EXT_TILE

aom_input_ctx.width = img->d_w;

aom_input_ctx.height = img->d_h;

#endif // CONFIG_EXT_TILE

if (single_file) {

if (use_y4m) {

char y4m_buf[Y4M_BUFFER_SIZE] = { 0 };

size_t len = 0;

if (img->fmt == AOM_IMG_FMT_I440 || img->fmt == AOM_IMG_FMT_I44016) {

fprintf(stderr, "Cannot produce y4m output for 440 sampling.\n");

goto fail;

}

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->fmt,

img->bit_depth);

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);

} else {

fputs(y4m_buf, 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) {

update_image_md5(img, planes, &md5_ctx);

} else {

write_image_file(img, 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);

update_image_md5(img, planes, &md5_ctx);

MD5Final(md5_digest, &md5_ctx);

print_md5(md5_digest, outfile_name);

} else {

outfile = open_outfile(outfile_name);

write_image_file(img, planes, outfile);

fclose(outfile);

}

}

}

}

if (summary || progress) {

show_progress(frame_in, frame_out, dx_time);

fprintf(stderr, "\n");

}