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aom/vpxdec.c

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31 KiB
C
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/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <limits.h>
#include "./vpx_config.h"
#if CONFIG_LIBYUV
#include "third_party/libyuv/include/libyuv/scale.h"
#endif
#include "./args.h"
#include "./ivfdec.h"
#include "vpx/vpx_decoder.h"
#include "vpx_ports/mem_ops.h"
#include "vpx_ports/vpx_timer.h"
#if CONFIG_VP10_DECODER
#include "vpx/vp8dx.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 VpxDecInputContext {
struct VpxInputContext *vpx_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");
#if CONFIG_VPX_HIGHBITDEPTH
static const arg_def_t outbitdeptharg =
ARG_DEF(NULL, "output-bit-depth", 1, "Output bit-depth for decoded frames");
#endif
/* clang-format off */
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, &error_concealment, &continuearg,
#if CONFIG_VPX_HIGHBITDEPTH
&outbitdeptharg,
#endif
NULL
};
/* clang-format on */
#if CONFIG_LIBYUV
static INLINE int libyuv_scale(vpx_image_t *src, vpx_image_t *dst,
FilterModeEnum mode) {
#if CONFIG_VPX_HIGHBITDEPTH
if (src->fmt == VPX_IMG_FMT_I42016) {
assert(dst->fmt == VPX_IMG_FMT_I42016);
return I420Scale_16(
(uint16_t *)src->planes[VPX_PLANE_Y], src->stride[VPX_PLANE_Y] / 2,
(uint16_t *)src->planes[VPX_PLANE_U], src->stride[VPX_PLANE_U] / 2,
(uint16_t *)src->planes[VPX_PLANE_V], src->stride[VPX_PLANE_V] / 2,
src->d_w, src->d_h, (uint16_t *)dst->planes[VPX_PLANE_Y],
dst->stride[VPX_PLANE_Y] / 2, (uint16_t *)dst->planes[VPX_PLANE_U],
dst->stride[VPX_PLANE_U] / 2, (uint16_t *)dst->planes[VPX_PLANE_V],
dst->stride[VPX_PLANE_V] / 2, dst->d_w, dst->d_h, mode);
}
#endif
assert(src->fmt == VPX_IMG_FMT_I420);
assert(dst->fmt == VPX_IMG_FMT_I420);
return I420Scale(src->planes[VPX_PLANE_Y], src->stride[VPX_PLANE_Y],
src->planes[VPX_PLANE_U], src->stride[VPX_PLANE_U],
src->planes[VPX_PLANE_V], src->stride[VPX_PLANE_V], src->d_w,
src->d_h, dst->planes[VPX_PLANE_Y], dst->stride[VPX_PLANE_Y],
dst->planes[VPX_PLANE_U], dst->stride[VPX_PLANE_U],
dst->planes[VPX_PLANE_V], dst->stride[VPX_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_vpx_decoder_count(); ++i) {
const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
fprintf(stderr, " %-6s - %s\n", decoder->name,
vpx_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 VpxDecInputContext *input, uint8_t **buf,
size_t *bytes_in_buffer, size_t *buffer_size) {
switch (input->vpx_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->vpx_input_ctx->file, buf, bytes_in_buffer,
buffer_size);
case FILE_TYPE_IVF:
return ivf_read_frame(input->vpx_input_ctx->file, buf, bytes_in_buffer,
buffer_size);
default: return 1;
}
}
static void update_image_md5(const vpx_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 = vpx_img_plane_width(img, plane) *
((img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
const int h = vpx_img_plane_height(img, plane);
for (y = 0; y < h; ++y) {
MD5Update(md5, buf, w);
buf += stride;
}
}
}
static void write_image_file(const vpx_image_t *img, const int planes[3],
FILE *file) {
int i, y;
#if CONFIG_VPX_HIGHBITDEPTH
const int bytes_per_sample = ((img->fmt & VPX_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 = vpx_img_plane_width(img, plane);
const int h = vpx_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 VpxInputContext *input) {
uint8_t buf[32];
int is_raw = 0;
vpx_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_vpx_decoder_count(); ++i) {
const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
if (!vpx_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 {
uint8_t *data;
size_t size;
int in_use;
};
struct ExternalFrameBufferList {
int num_external_frame_buffers;
struct ExternalFrameBuffer *ext_fb;
};
// Callback used by libvpx 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_vp9_frame_buffer(void *cb_priv, size_t min_size,
vpx_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 libvpx 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_vp9_frame_buffer(void *cb_priv,
vpx_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_VPX_HIGHBITDEPTH
static int img_shifted_realloc_required(const vpx_image_t *img,
const vpx_image_t *shifted,
vpx_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_) {
vpx_codec_ctx_t decoder;
char *fn = NULL;
int i;
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 VpxInterface *interface = NULL;
const VpxInterface *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;
vpx_codec_dec_cfg_t cfg = { 0, 0, 0 };
#if CONFIG_VPX_HIGHBITDEPTH
unsigned int output_bit_depth = 0;
#endif
int frames_corrupted = 0;
int dec_flags = 0;
int do_scale = 0;
vpx_image_t *scaled_img = NULL;
#if CONFIG_VPX_HIGHBITDEPTH
vpx_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;
MD5Context md5_ctx;
unsigned char md5_digest[16];
struct VpxDecInputContext input = { NULL, NULL };
struct VpxInputContext vpx_input_ctx;
#if CONFIG_WEBM_IO
struct WebmInputContext webm_ctx;
memset(&(webm_ctx), 0, sizeof(webm_ctx));
input.webm_ctx = &webm_ctx;
#endif
input.vpx_input_ctx = &vpx_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_vpx_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, &summaryarg, argi))
summary = 1;
else if (arg_match(&arg, &threadsarg, argi))
cfg.threads = arg_parse_uint(&arg);
#if CONFIG_VP10_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_VPX_HIGHBITDEPTH
else if (arg_match(&arg, &outbitdeptharg, argi)) {
output_bit_depth = arg_parse_uint(&arg);
}
#endif
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(fileno(stdout)) && !do_md5 && !noblit) {
fprintf(stderr,
"Not dumping raw video to your terminal. Use '-o -' to "
"override.\n");
return EXIT_FAILURE;
}
#endif
input.vpx_input_ctx->file = infile;
if (file_is_ivf(input.vpx_input_ctx))
input.vpx_input_ctx->file_type = FILE_TYPE_IVF;
#if CONFIG_WEBM_IO
else if (file_is_webm(input.webm_ctx, input.vpx_input_ctx))
input.vpx_input_ctx->file_type = FILE_TYPE_WEBM;
#endif
else if (file_is_raw(input.vpx_input_ctx))
input.vpx_input_ctx->file_type = FILE_TYPE_RAW;
else {
fprintf(stderr, "Unrecognized input file type.\n");
#if !CONFIG_WEBM_IO
fprintf(stderr, "vpxdec 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,
vpx_input_ctx.width, vpx_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 (vpx_input_ctx.file_type == FILE_TYPE_WEBM) {
if (webm_guess_framerate(input.webm_ctx, input.vpx_input_ctx)) {
fprintf(stderr,
"Failed to guess framerate -- error parsing "
"webm file?\n");
return EXIT_FAILURE;
}
}
#endif
}
fourcc_interface = get_vpx_decoder_by_fourcc(vpx_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_vpx_decoder_by_index(0);
dec_flags = (postproc ? VPX_CODEC_USE_POSTPROC : 0) |
(ec_enabled ? VPX_CODEC_USE_ERROR_CONCEALMENT : 0) |
(frame_parallel ? VPX_CODEC_USE_FRAME_THREADING : 0);
if (vpx_codec_dec_init(&decoder, interface->codec_interface(), &cfg,
dec_flags)) {
fprintf(stderr, "Failed to initialize decoder: %s\n",
vpx_codec_error(&decoder));
return EXIT_FAILURE;
}
if (!quiet) fprintf(stderr, "%s\n", decoder.name);
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 (vpx_codec_set_frame_buffer_functions(&decoder, get_vp9_frame_buffer,
release_vp9_frame_buffer,
&ext_fb_list)) {
fprintf(stderr, "Failed to configure external frame buffers: %s\n",
vpx_codec_error(&decoder));
return EXIT_FAILURE;
}
}
frame_avail = 1;
got_data = 0;
/* Decode file */
while (frame_avail || got_data) {
vpx_codec_iter_t iter = NULL;
vpx_image_t *img;
struct vpx_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++;
vpx_usec_timer_start(&timer);
if (vpx_codec_decode(&decoder, buf, (unsigned int)bytes_in_buffer, NULL,
0)) {
const char *detail = vpx_codec_error_detail(&decoder);
warn("Failed to decode frame %d: %s", frame_in,
vpx_codec_error(&decoder));
if (detail) warn("Additional information: %s", detail);
if (!keep_going) goto fail;
}
vpx_usec_timer_mark(&timer);
dx_time += vpx_usec_timer_elapsed(&timer);
} else {
flush_decoder = 1;
}
} else {
flush_decoder = 1;
}
vpx_usec_timer_start(&timer);
if (flush_decoder) {
// Flush the decoder in frame parallel decode.
if (vpx_codec_decode(&decoder, NULL, 0, NULL, 0)) {
warn("Failed to flush decoder: %s", vpx_codec_error(&decoder));
}
}
got_data = 0;
if ((img = vpx_codec_get_frame(&decoder, &iter))) {
++frame_out;
got_data = 1;
}
vpx_usec_timer_mark(&timer);
dx_time += (unsigned int)vpx_usec_timer_elapsed(&timer);
if (!frame_parallel &&
vpx_codec_control(&decoder, VP8D_GET_FRAME_CORRUPTED, &corrupted)) {
warn("Failed VP8_GET_FRAME_CORRUPTED: %s", vpx_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[] = { VPX_PLANE_Y, VPX_PLANE_U, VPX_PLANE_V };
const int PLANES_YVU[] = { VPX_PLANE_Y, VPX_PLANE_V, VPX_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 = vpx_input_ctx.width;
int render_height = vpx_input_ctx.height;
if (!render_width || !render_height) {
int render_size[2];
if (vpx_codec_control(&decoder, VP9D_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 =
vpx_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",
vpx_codec_error(&decoder));
return EXIT_FAILURE;
#endif
}
}
#if CONFIG_VPX_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 vpx_img_fmt_t shifted_fmt =
output_bit_depth == 8
? img->fmt ^ (img->fmt & VPX_IMG_FMT_HIGHBITDEPTH)
: img->fmt | VPX_IMG_FMT_HIGHBITDEPTH;
if (img_shifted &&
img_shifted_realloc_required(img, img_shifted, shifted_fmt)) {
vpx_img_free(img_shifted);
img_shifted = NULL;
}
if (!img_shifted) {
img_shifted =
vpx_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) {
vpx_img_upshift(img_shifted, img, output_bit_depth - img->bit_depth);
} else {
vpx_img_downshift(img_shifted, img,
img->bit_depth - output_bit_depth);
}
img = img_shifted;
}
#endif
if (single_file) {
if (use_y4m) {
char buf[Y4M_BUFFER_SIZE] = { 0 };
size_t len = 0;
if (img->fmt == VPX_IMG_FMT_I440 || img->fmt == VPX_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(
buf, sizeof(buf), vpx_input_ctx.width, vpx_input_ctx.height,
&vpx_input_ctx.framerate, img->fmt, img->bit_depth);
if (do_md5) {
MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
} else {
fputs(buf, outfile);
}
}
// Y4M frame header
len = y4m_write_frame_header(buf, sizeof(buf));
if (do_md5) {
MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
} else {
fputs(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 != VPX_IMG_FMT_I420 &&
img->fmt != VPX_IMG_FMT_I42016) {
fprintf(stderr, "Cannot produce i420 output for bit-stream.\n");
goto fail;
}
}
if (opt_yv12) {
if ((img->fmt != VPX_IMG_FMT_I420 &&
img->fmt != VPX_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");
}
if (frames_corrupted)
fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);
fail:
if (vpx_codec_destroy(&decoder)) {
fprintf(stderr, "Failed to destroy decoder: %s\n",
vpx_codec_error(&decoder));
return EXIT_FAILURE;
}
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.vpx_input_ctx->file_type == FILE_TYPE_WEBM)
webm_free(input.webm_ctx);
#endif
if (input.vpx_input_ctx->file_type != FILE_TYPE_WEBM) free(buf);
if (scaled_img) vpx_img_free(scaled_img);
#if CONFIG_VPX_HIGHBITDEPTH
if (img_shifted) vpx_img_free(img_shifted);
#endif
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);
free(argv);
return frames_corrupted ? EXIT_FAILURE : EXIT_SUCCESS;
}
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);
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;
}
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