generic-library/vpx
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vpx/vpxdec.c
Tom Finegan 2abe2d4664 vpxdec: Relocate WebM input support. 
- Move it to webmdec.c and webmdec.h.
- Also, tidy up obvious style nits in the vicinity of code I was
  already touching.

Change-Id: Ie2898d06e73c1e9030d9c8d465b73ee7edc3c02a
2013-11-19 10:26:51 -08:00

899 lines
28 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 "third_party/libyuv/include/libyuv/scale.h"
#include "./args.h"
#include "./ivfdec.h"
#define VPX_CODEC_DISABLE_COMPAT 1
#include "./vpx_config.h"
#include "vpx/vpx_decoder.h"
#include "vpx_ports/vpx_timer.h"
#if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
#include "vpx/vp8dx.h"
#endif
#if CONFIG_MD5
#include "./md5_utils.h"
#endif
#include "./tools_common.h"
#include "./webmdec.h"
static const char *exec_name;
static const struct {
char const *name;
const vpx_codec_iface_t *(*iface)(void);
uint32_t fourcc;
uint32_t fourcc_mask;
} ifaces[] = {
#if CONFIG_VP8_DECODER
{"vp8", vpx_codec_vp8_dx, VP8_FOURCC_MASK, 0x00FFFFFF},
#endif
#if CONFIG_VP9_DECODER
{"vp9", vpx_codec_vp9_dx, VP9_FOURCC_MASK, 0x00FFFFFF},
#endif
};
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 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 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");
#if CONFIG_MD5
static const arg_def_t md5arg = ARG_DEF(NULL, "md5", 0,
"Compute the MD5 sum of the decoded frame");
#endif
static const arg_def_t *all_args[] = {
&codecarg, &use_yv12, &use_i420, &flipuvarg, &noblitarg,
&progressarg, &limitarg, &skiparg, &postprocarg, &summaryarg, &outputfile,
&threadsarg, &verbosearg, &scalearg,
#if CONFIG_MD5
&md5arg,
#endif
&error_concealment,
NULL
};
#if CONFIG_VP8_DECODER
static const arg_def_t addnoise_level = ARG_DEF(NULL, "noise-level", 1,
"Enable VP8 postproc add noise");
static const arg_def_t deblock = ARG_DEF(NULL, "deblock", 0,
"Enable VP8 deblocking");
static const arg_def_t demacroblock_level = ARG_DEF(NULL, "demacroblock-level", 1,
"Enable VP8 demacroblocking, w/ level");
static const arg_def_t pp_debug_info = ARG_DEF(NULL, "pp-debug-info", 1,
"Enable VP8 visible debug info");
static const arg_def_t pp_disp_ref_frame = ARG_DEF(NULL, "pp-dbg-ref-frame", 1,
"Display only selected reference frame per macro block");
static const arg_def_t pp_disp_mb_modes = ARG_DEF(NULL, "pp-dbg-mb-modes", 1,
"Display only selected macro block modes");
static const arg_def_t pp_disp_b_modes = ARG_DEF(NULL, "pp-dbg-b-modes", 1,
"Display only selected block modes");
static const arg_def_t pp_disp_mvs = ARG_DEF(NULL, "pp-dbg-mvs", 1,
"Draw only selected motion vectors");
static const arg_def_t mfqe = ARG_DEF(NULL, "mfqe", 0,
"Enable multiframe quality enhancement");
static const arg_def_t *vp8_pp_args[] = {
&addnoise_level, &deblock, &demacroblock_level, &pp_debug_info,
&pp_disp_ref_frame, &pp_disp_mb_modes, &pp_disp_b_modes, &pp_disp_mvs, &mfqe,
NULL
};
#endif
void usage_exit() {
int i;
fprintf(stderr, "Usage: %s <options> filename\n\n"
"Options:\n", exec_name);
arg_show_usage(stderr, all_args);
#if CONFIG_VP8_DECODER
fprintf(stderr, "\nVP8 Postprocessing Options:\n");
arg_show_usage(stderr, vp8_pp_args);
#endif
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 < sizeof(ifaces) / sizeof(ifaces[0]); i++)
fprintf(stderr, " %-6s - %s\n",
ifaces[i].name,
vpx_codec_iface_name(ifaces[i].iface()));
exit(EXIT_FAILURE);
}
static int read_frame(struct VpxDecInputContext *input,
uint8_t **buf,
size_t *bytes_in_buffer,
size_t *buffer_size) {
char raw_hdr[RAW_FRAME_HDR_SZ];
size_t bytes_to_read = 0;
FILE *infile = input->vpx_input_ctx->file;
enum VideoFileType kind = input->vpx_input_ctx->file_type;
if (kind == FILE_TYPE_WEBM) {
return webm_read_frame(input->webm_ctx,
buf, bytes_in_buffer, buffer_size);
} else if (kind == FILE_TYPE_RAW) {
if (fread(raw_hdr, RAW_FRAME_HDR_SZ, 1, infile) != 1) {
if (!feof(infile))
warn("Failed to read RAW frame size\n");
} else {
const int kCorruptFrameThreshold = 256 * 1024 * 1024;
const int kFrameTooSmallThreshold = 256 * 1024;
bytes_to_read = mem_get_le32(raw_hdr);
if (bytes_to_read > kCorruptFrameThreshold) {
warn("Read invalid frame size (%u)\n", (unsigned int)bytes_to_read);
bytes_to_read = 0;
}
if (kind == FILE_TYPE_RAW && bytes_to_read < kFrameTooSmallThreshold) {
warn("Warning: Read invalid frame size (%u) - not a raw file?\n",
(unsigned int)bytes_to_read);
}
if (bytes_to_read > *buffer_size) {
uint8_t *new_buf = realloc(*buf, 2 * bytes_to_read);
if (new_buf) {
*buf = new_buf;
*buffer_size = 2 * bytes_to_read;
} else {
warn("Failed to allocate compressed data buffer\n");
bytes_to_read = 0;
}
}
}
if (!feof(infile)) {
if (fread(*buf, 1, bytes_to_read, infile) != bytes_to_read) {
warn("Failed to read full frame\n");
return 1;
}
*bytes_in_buffer = bytes_to_read;
}
return 0;
} else if (kind == FILE_TYPE_IVF) {
return ivf_read_frame(input->vpx_input_ctx,
buf, bytes_in_buffer, buffer_size);
}
return 1;
}
void *out_open(const char *out_fn, int do_md5) {
void *out = NULL;
if (do_md5) {
#if CONFIG_MD5
MD5Context *md5_ctx = out = malloc(sizeof(MD5Context));
(void)out_fn;
MD5Init(md5_ctx);
#endif
} else {
FILE *outfile = out = strcmp("-", out_fn) ? fopen(out_fn, "wb")
: set_binary_mode(stdout);
if (!outfile) {
fatal("Failed to output file");
}
}
return out;
}
void out_put(void *out, const uint8_t *buf, unsigned int len, int do_md5) {
if (do_md5) {
#if CONFIG_MD5
MD5Update(out, buf, len);
#endif
} else {
(void) fwrite(buf, 1, len, out);
}
}
void out_close(void *out, const char *out_fn, int do_md5) {
if (do_md5) {
#if CONFIG_MD5
uint8_t md5[16];
int i;
MD5Final(md5, out);
free(out);
for (i = 0; i < 16; i++)
printf("%02x", md5[i]);
printf(" %s\n", out_fn);
#endif
} else {
fclose(out);
}
}
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 < sizeof(ifaces) / sizeof(ifaces[0]); i++) {
if (!vpx_codec_peek_stream_info(ifaces[i].iface(),
buf + 4, 32 - 4, &si)) {
is_raw = 1;
input->fourcc = ifaces[i].fourcc;
input->width = si.w;
input->height = si.h;
input->framerate.numerator = 30;
input->framerate.denominator = 1;
break;
}
}
}
}
rewind(input->file);
return is_raw;
}
void show_progress(int frame_in, int frame_out, unsigned long dx_time) {
fprintf(stderr, "%d decoded frames/%d showed frames in %lu us (%.2f fps)\r",
frame_in, frame_out, dx_time,
(float)frame_out * 1000000.0 / (float)dx_time);
}
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);
}
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;
int stop_after = 0, postproc = 0, summary = 0, quiet = 1;
int arg_skip = 0;
int ec_enabled = 0;
vpx_codec_iface_t *iface = NULL;
unsigned long dx_time = 0;
struct arg arg;
char **argv, **argi, **argj;
const char *outfile_pattern = 0;
char outfile[PATH_MAX];
int single_file;
int use_y4m = 1;
void *out = NULL;
vpx_codec_dec_cfg_t cfg = {0};
#if CONFIG_VP8_DECODER
vp8_postproc_cfg_t vp8_pp_cfg = {0};
int vp8_dbg_color_ref_frame = 0;
int vp8_dbg_color_mb_modes = 0;
int vp8_dbg_color_b_modes = 0;
int vp8_dbg_display_mv = 0;
#endif
int frames_corrupted = 0;
int dec_flags = 0;
int do_scale = 0;
int stream_w = 0, stream_h = 0;
vpx_image_t *scaled_img = NULL;
int frame_avail, got_data;
struct VpxDecInputContext input = {0};
struct VpxInputContext vpx_input_ctx = {0};
struct WebmInputContext webm_ctx = {0};
input.vpx_input_ctx = &vpx_input_ctx;
input.webm_ctx = &webm_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)) {
int j, k = -1;
for (j = 0; j < sizeof(ifaces) / sizeof(ifaces[0]); j++)
if (!strcmp(ifaces[j].name, arg.val))
k = j;
if (k >= 0)
iface = ifaces[k].iface();
else
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;
} else if (arg_match(&arg, &use_i420, argi)) {
use_y4m = 0;
flipuv = 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);
else if (arg_match(&arg, &verbosearg, argi))
quiet = 0;
else if (arg_match(&arg, &scalearg, argi))
do_scale = 1;
#if CONFIG_VP8_DECODER
else if (arg_match(&arg, &addnoise_level, argi)) {
postproc = 1;
vp8_pp_cfg.post_proc_flag |= VP8_ADDNOISE;
vp8_pp_cfg.noise_level = arg_parse_uint(&arg);
} else if (arg_match(&arg, &demacroblock_level, argi)) {
postproc = 1;
vp8_pp_cfg.post_proc_flag |= VP8_DEMACROBLOCK;
vp8_pp_cfg.deblocking_level = arg_parse_uint(&arg);
} else if (arg_match(&arg, &deblock, argi)) {
postproc = 1;
vp8_pp_cfg.post_proc_flag |= VP8_DEBLOCK;
} else if (arg_match(&arg, &mfqe, argi)) {
postproc = 1;
vp8_pp_cfg.post_proc_flag |= VP8_MFQE;
} else if (arg_match(&arg, &pp_debug_info, argi)) {
unsigned int level = arg_parse_uint(&arg);
postproc = 1;
vp8_pp_cfg.post_proc_flag &= ~0x7;
if (level)
vp8_pp_cfg.post_proc_flag |= level;
} else if (arg_match(&arg, &pp_disp_ref_frame, argi)) {
unsigned int flags = arg_parse_int(&arg);
if (flags) {
postproc = 1;
vp8_dbg_color_ref_frame = flags;
}
} else if (arg_match(&arg, &pp_disp_mb_modes, argi)) {
unsigned int flags = arg_parse_int(&arg);
if (flags) {
postproc = 1;
vp8_dbg_color_mb_modes = flags;
}
} else if (arg_match(&arg, &pp_disp_b_modes, argi)) {
unsigned int flags = arg_parse_int(&arg);
if (flags) {
postproc = 1;
vp8_dbg_color_b_modes = flags;
}
} else if (arg_match(&arg, &pp_disp_mvs, argi)) {
unsigned int flags = arg_parse_int(&arg);
if (flags) {
postproc = 1;
vp8_dbg_display_mv = flags;
}
} else if (arg_match(&arg, &error_concealment, argi)) {
ec_enabled = 1;
}
#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)
usage_exit();
/* Open file */
infile = strcmp(fn, "-") ? fopen(fn, "rb") : set_binary_mode(stdin);
if (!infile) {
fprintf(stderr, "Failed to open file '%s'",
strcmp(fn, "-") ? fn : "stdin");
return EXIT_FAILURE;
}
#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;
else if (file_is_webm(input.webm_ctx, input.vpx_input_ctx))
input.vpx_input_ctx->file_type = FILE_TYPE_WEBM;
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");
return EXIT_FAILURE;
}
/* If the output file is not set or doesn't have a sequence number in
* it, then we only open it once.
*/
outfile_pattern = outfile_pattern ? outfile_pattern : "-";
single_file = 1;
{
const char *p = outfile_pattern;
do {
p = strchr(p, '%');
if (p && p[1] >= '1' && p[1] <= '9') {
/* pattern contains sequence number, so it's not unique. */
single_file = 0;
break;
}
if (p)
p++;
} while (p);
}
if (single_file && !noblit) {
generate_filename(outfile_pattern, outfile, sizeof(outfile) - 1,
vpx_input_ctx.width, vpx_input_ctx.height, 0);
out = out_open(outfile, do_md5);
}
if (use_y4m && !noblit) {
char buffer[128];
if (!single_file) {
fprintf(stderr, "YUV4MPEG2 not supported with output patterns,"
" try --i420 or --yv12.\n");
return EXIT_FAILURE;
}
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;
}
/*Note: We can't output an aspect ratio here because IVF doesn't
store one, and neither does VP8.
That will have to wait until these tools support WebM natively.*/
snprintf(buffer, sizeof(buffer), "YUV4MPEG2 W%u H%u F%u:%u I%c ",
vpx_input_ctx.width, vpx_input_ctx.height,
vpx_input_ctx.framerate.numerator,
vpx_input_ctx.framerate.denominator,
'p');
out_put(out, (unsigned char *)buffer,
(unsigned int)strlen(buffer), do_md5);
}
/* Try to determine the codec from the fourcc. */
for (i = 0; i < sizeof(ifaces) / sizeof(ifaces[0]); i++)
if ((vpx_input_ctx.fourcc & ifaces[i].fourcc_mask) == ifaces[i].fourcc) {
vpx_codec_iface_t *vpx_iface = ifaces[i].iface();
if (iface && iface != vpx_iface)
warn("Header indicates codec: %s\n", ifaces[i].name);
else
iface = vpx_iface;
break;
}
dec_flags = (postproc ? VPX_CODEC_USE_POSTPROC : 0) |
(ec_enabled ? VPX_CODEC_USE_ERROR_CONCEALMENT : 0);
if (vpx_codec_dec_init(&decoder, iface ? iface : ifaces[0].iface(), &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 CONFIG_VP8_DECODER
if (vp8_pp_cfg.post_proc_flag
&& vpx_codec_control(&decoder, VP8_SET_POSTPROC, &vp8_pp_cfg)) {
fprintf(stderr, "Failed to configure postproc: %s\n", vpx_codec_error(&decoder));
return EXIT_FAILURE;
}
if (vp8_dbg_color_ref_frame
&& vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_REF_FRAME, vp8_dbg_color_ref_frame)) {
fprintf(stderr, "Failed to configure reference block visualizer: %s\n", vpx_codec_error(&decoder));
return EXIT_FAILURE;
}
if (vp8_dbg_color_mb_modes
&& vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_MB_MODES, vp8_dbg_color_mb_modes)) {
fprintf(stderr, "Failed to configure macro block visualizer: %s\n", vpx_codec_error(&decoder));
return EXIT_FAILURE;
}
if (vp8_dbg_color_b_modes
&& vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_B_MODES, vp8_dbg_color_b_modes)) {
fprintf(stderr, "Failed to configure block visualizer: %s\n", vpx_codec_error(&decoder));
return EXIT_FAILURE;
}
if (vp8_dbg_display_mv
&& vpx_codec_control(&decoder, VP8_SET_DBG_DISPLAY_MV, vp8_dbg_display_mv)) {
fprintf(stderr, "Failed to configure motion vector visualizer: %s\n", vpx_codec_error(&decoder));
return EXIT_FAILURE;
}
#endif
if (arg_skip)
fprintf(stderr, "Skiping first %d frames.\n", arg_skip);
while (arg_skip) {
if (read_frame(&input, &buf, &bytes_in_buffer, &buffer_size))
break;
arg_skip--;
}
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;
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, 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);
goto fail;
}
vpx_usec_timer_mark(&timer);
dx_time += (unsigned int)vpx_usec_timer_elapsed(&timer);
}
}
vpx_usec_timer_start(&timer);
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 (vpx_codec_control(&decoder, VP8D_GET_FRAME_CORRUPTED, &corrupted)) {
warn("Failed VP8_GET_FRAME_CORRUPTED: %s", vpx_codec_error(&decoder));
goto fail;
}
frames_corrupted += corrupted;
if (progress)
show_progress(frame_in, frame_out, dx_time);
if (!noblit) {
if (frame_out == 1 && img && use_y4m) {
/* Write out the color format to terminate the header line */
const char *color =
img->fmt == VPX_IMG_FMT_444A ? "C444alpha\n" :
img->fmt == VPX_IMG_FMT_I444 ? "C444\n" :
img->fmt == VPX_IMG_FMT_I422 ? "C422\n" :
"C420jpeg\n";
out_put(out, (const unsigned char*)color, strlen(color), do_md5);
}
if (do_scale) {
if (img && frame_out == 1) {
stream_w = img->d_w;
stream_h = img->d_h;
scaled_img = vpx_img_alloc(NULL, VPX_IMG_FMT_I420,
stream_w, stream_h, 16);
}
if (img && (img->d_w != stream_w || img->d_h != stream_h)) {
assert(img->fmt == VPX_IMG_FMT_I420);
I420Scale(img->planes[VPX_PLANE_Y], img->stride[VPX_PLANE_Y],
img->planes[VPX_PLANE_U], img->stride[VPX_PLANE_U],
img->planes[VPX_PLANE_V], img->stride[VPX_PLANE_V],
img->d_w, img->d_h,
scaled_img->planes[VPX_PLANE_Y],
scaled_img->stride[VPX_PLANE_Y],
scaled_img->planes[VPX_PLANE_U],
scaled_img->stride[VPX_PLANE_U],
scaled_img->planes[VPX_PLANE_V],
scaled_img->stride[VPX_PLANE_V],
stream_w, stream_h,
kFilterBox);
img = scaled_img;
}
}
if (img) {
unsigned int y;
char out_fn[PATH_MAX];
uint8_t *buf;
unsigned int c_w =
img->x_chroma_shift ? (1 + img->d_w) >> img->x_chroma_shift
: img->d_w;
unsigned int c_h =
img->y_chroma_shift ? (1 + img->d_h) >> img->y_chroma_shift
: img->d_h;
if (!single_file) {
size_t len = sizeof(out_fn) - 1;
out_fn[len] = '\0';
generate_filename(outfile_pattern, out_fn, len - 1,
img->d_w, img->d_h, frame_in);
out = out_open(out_fn, do_md5);
} else if (use_y4m)
out_put(out, (unsigned char *)"FRAME\n", 6, do_md5);
buf = img->planes[VPX_PLANE_Y];
for (y = 0; y < img->d_h; y++) {
out_put(out, buf, img->d_w, do_md5);
buf += img->stride[VPX_PLANE_Y];
}
buf = img->planes[flipuv ? VPX_PLANE_V : VPX_PLANE_U];
for (y = 0; y < c_h; y++) {
out_put(out, buf, c_w, do_md5);
buf += img->stride[VPX_PLANE_U];
}
buf = img->planes[flipuv ? VPX_PLANE_U : VPX_PLANE_V];
for (y = 0; y < c_h; y++) {
out_put(out, buf, c_w, do_md5);
buf += img->stride[VPX_PLANE_V];
}
if (!single_file)
out_close(out, out_fn, do_md5);
}
}
if (stop_after && frame_in >= stop_after)
break;
}
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 (single_file && !noblit)
out_close(out, outfile, do_md5);
if (input.vpx_input_ctx->file_type == FILE_TYPE_WEBM)
webm_free(input.webm_ctx);
else
free(buf);
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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