ref: 330dd67b7b0619da57492ca24207425026b387f4
dir: /ivfdec.c/
/*
* Copyright (c) 2010 The VP8 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.
*/
/* This is a simple program that reads ivf files and decodes them
* using the new interface. Decoded frames are output as YV12 raw.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.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
#include "vpx/vp8dx.h"
#endif
#if CONFIG_MD5
#include "md5_utils.h"
#endif
static const char *exec_name;
static const struct
{
char const *name;
const vpx_codec_iface_t *iface;
unsigned int fourcc;
unsigned int fourcc_mask;
} ifaces[] =
{
#if CONFIG_VP8_DECODER
{"vp8", &vpx_codec_vp8_dx_algo, 0x00385056, 0x00FFFFFF},
#endif
};
#include "args.h"
static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
"Codec to use");
static const arg_def_t prefixarg = ARG_DEF("p", "prefix", 1,
"Prefix to use when saving frames");
static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
"Output file is YV12 ");
static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
"Output file is I420 (default)");
static const arg_def_t flipuvarg = ARG_DEF(NULL, "flipuv", 0,
"Synonym for --yv12");
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 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 raw yv12 file instead of images");
static const arg_def_t usey4marg = ARG_DEF("y", "y4m", 0,
"Output file is YUV4MPEG2");
static const arg_def_t threadsarg = ARG_DEF("t", "threads", 1,
"Max threads to use");
static const arg_def_t quietarg = ARG_DEF("q", "quiet", 0,
"Suppress version string");
#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, &prefixarg, &use_yv12, &use_i420, &flipuvarg, &noblitarg,
&progressarg, &limitarg, &postprocarg, &summaryarg, &outputfile,
&usey4marg, &threadsarg, &quietarg,
#if CONFIG_MD5
&md5arg,
#endif
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 *vp8_pp_args[] =
{
&addnoise_level, &deblock, &demacroblock_level, &pp_debug_info,
NULL
};
#endif
static 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, "\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);
}
void die(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
usage_exit();
}
static unsigned int mem_get_le16(const void *vmem)
{
unsigned int val;
const unsigned char *mem = (const unsigned char *)vmem;
val = mem[1] << 8;
val |= mem[0];
return val;
}
static unsigned int mem_get_le32(const void *vmem)
{
unsigned int val;
const unsigned char *mem = (const unsigned char *)vmem;
val = mem[3] << 24;
val |= mem[2] << 16;
val |= mem[1] << 8;
val |= mem[0];
return val;
}
#define IVF_FRAME_HDR_SZ (sizeof(uint32_t) + sizeof(uint64_t))
#define RAW_FRAME_HDR_SZ (sizeof(uint32_t))
static int read_frame(FILE *infile,
uint8_t **buf,
uint32_t *buf_sz,
uint32_t *buf_alloc_sz,
int is_ivf)
{
char raw_hdr[IVF_FRAME_HDR_SZ];
uint32_t new_buf_sz;
/* For both the raw and ivf formats, the frame size is the first 4 bytes
* of the frame header. We just need to special case on the header
* size.
*/
if (fread(raw_hdr, is_ivf ? IVF_FRAME_HDR_SZ : RAW_FRAME_HDR_SZ, 1,
infile) != 1)
{
if (!feof(infile))
fprintf(stderr, "Failed to read frame size\n");
new_buf_sz = 0;
}
else
{
new_buf_sz = mem_get_le32(raw_hdr);
if (new_buf_sz > 256 * 1024 * 1024)
{
fprintf(stderr, "Error: Read invalid frame size (%u)\n",
new_buf_sz);
new_buf_sz = 0;
}
if (!is_ivf && new_buf_sz > 256 * 1024)
fprintf(stderr, "Warning: Read invalid frame size (%u)"
" - not a raw file?\n", new_buf_sz);
if (new_buf_sz > *buf_alloc_sz)
{
uint8_t *new_buf = realloc(*buf, 2 * new_buf_sz);
if (new_buf)
{
*buf = new_buf;
*buf_alloc_sz = 2 * new_buf_sz;
}
else
{
fprintf(stderr, "Failed to allocate compressed data buffer\n");
new_buf_sz = 0;
}
}
}
*buf_sz = new_buf_sz;
if (*buf_sz)
{
if (fread(*buf, 1, *buf_sz, infile) != *buf_sz)
{
fprintf(stderr, "Failed to read full frame\n");
return 1;
}
return 0;
}
return 1;
}
void *out_open(const char *out_fn, int do_md5)
{
void *out = NULL;
if (do_md5)
{
#if CONFIG_MD5
md5_ctx_t *md5_ctx = out = malloc(sizeof(md5_ctx_t));
(void)out_fn;
md5_init(md5_ctx);
#endif
}
else
{
FILE *outfile = out = strcmp("-", out_fn) ? fopen(out_fn, "wb") : stdout;
if (!outfile)
{
fprintf(stderr, "Failed to output file");
exit(EXIT_FAILURE);
}
}
return out;
}
void out_put(void *out, const uint8_t *buf, unsigned int len, int do_md5)
{
if (do_md5)
{
#if CONFIG_MD5
md5_update(out, buf, len);
#endif
}
else
{
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;
md5_finalize(out, md5);
free(out);
for (i = 0; i < 16; i++)
printf("%02x", md5[i]);
printf(" %s\n", out_fn);
#endif
}
else
{
fclose(out);
}
}
unsigned int file_is_ivf(FILE *infile,
unsigned int *fourcc,
unsigned int *width,
unsigned int *height,
unsigned int *timebase_num,
unsigned int *timebase_den)
{
char raw_hdr[32];
int is_ivf = 0;
if (fread(raw_hdr, 1, 32, infile) == 32)
{
if (raw_hdr[0] == 'D' && raw_hdr[1] == 'K'
&& raw_hdr[2] == 'I' && raw_hdr[3] == 'F')
{
is_ivf = 1;
if (mem_get_le16(raw_hdr + 4) != 0)
fprintf(stderr, "Error: Unrecognized IVF version! This file may not"
" decode properly.");
*fourcc = mem_get_le32(raw_hdr + 8);
*width = mem_get_le16(raw_hdr + 12);
*height = mem_get_le16(raw_hdr + 14);
*timebase_den = mem_get_le32(raw_hdr + 16);
*timebase_num = mem_get_le32(raw_hdr + 20);
}
}
if (!is_ivf)
rewind(infile);
return is_ivf;
}
int main(int argc, const char **argv_)
{
vpx_codec_ctx_t decoder;
char *prefix = NULL, *fn = NULL;
int i;
uint8_t *buf = NULL;
uint32_t buf_sz = 0, buf_alloc_sz = 0;
FILE *infile;
int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0, do_md5 = 0, progress = 0;
int stop_after = 0, postproc = 0, summary = 0, quiet = 0;
vpx_codec_iface_t *iface = NULL;
unsigned int is_ivf, fourcc;
unsigned long dx_time = 0;
struct arg arg;
char **argv, **argi, **argj;
const char *fn2 = 0;
int use_y4m = 0;
unsigned int width;
unsigned int height;
unsigned int timebase_num;
unsigned int timebase_den;
void *out = NULL;
vpx_codec_dec_cfg_t cfg = {0};
#if CONFIG_VP8_DECODER
vp8_postproc_cfg_t vp8_pp_cfg = {0};
#endif
/* 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, &outputfile, argi))
fn2 = arg.val;
else if (arg_match(&arg, &usey4marg, argi))
use_y4m = 1;
else if (arg_match(&arg, &prefixarg, argi))
prefix = strdup(arg.val);
else if (arg_match(&arg, &use_yv12, argi))
flipuv = 1;
else if (arg_match(&arg, &use_i420, argi))
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, &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, &quietarg, argi))
quiet = 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, &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 |= 8 << (level - 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();
if (!prefix)
prefix = strdup("img");
/* Open file */
infile = strcmp(fn, "-") ? fopen(fn, "rb") : stdin;
if (!infile)
{
fprintf(stderr, "Failed to open file");
return EXIT_FAILURE;
}
if (fn2)
out = out_open(fn2, do_md5);
is_ivf = file_is_ivf(infile, &fourcc, &width, &height,
&timebase_num, &timebase_den);
if (is_ivf)
{
if (use_y4m)
{
char buffer[128];
if (!fn2)
{
fprintf(stderr, "YUV4MPEG2 output only supported with -o.\n");
return EXIT_FAILURE;
}
/*Correct for the factor of 2 applied to the timebase in the
encoder.*/
if(timebase_den&1)timebase_num<<=1;
else timebase_den>>=1;
/*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.*/
sprintf(buffer, "YUV4MPEG2 C%s W%u H%u F%u:%u I%c\n",
"420jpeg", width, height, timebase_den, timebase_num, 'p');
out_put(out, (unsigned char *)buffer, strlen(buffer), do_md5);
}
/* Try to determine the codec from the fourcc. */
for (i = 0; i < sizeof(ifaces) / sizeof(ifaces[0]); i++)
if ((fourcc & ifaces[i].fourcc_mask) == ifaces[i].fourcc)
{
vpx_codec_iface_t *ivf_iface = ifaces[i].iface;
if (iface && iface != ivf_iface)
fprintf(stderr, "Notice -- IVF header indicates codec: %s\n",
ifaces[i].name);
else
iface = ivf_iface;
break;
}
}
else if(use_y4m)
{
fprintf(stderr, "YUV4MPEG2 output only supported from IVF input.\n");
return EXIT_FAILURE;
}
if (vpx_codec_dec_init(&decoder, iface ? iface : ifaces[0].iface, &cfg,
postproc ? VPX_CODEC_USE_POSTPROC : 0))
{
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;
}
#endif
/* Decode file */
while (!read_frame(infile, &buf, &buf_sz, &buf_alloc_sz, is_ivf))
{
vpx_codec_iter_t iter = NULL;
vpx_image_t *img;
struct vpx_usec_timer timer;
vpx_usec_timer_start(&timer);
if (vpx_codec_decode(&decoder, buf, buf_sz, NULL, 0))
{
const char *detail = vpx_codec_error_detail(&decoder);
fprintf(stderr, "Failed to decode frame: %s\n", vpx_codec_error(&decoder));
if (detail)
fprintf(stderr, " Additional information: %s\n", detail);
goto fail;
}
vpx_usec_timer_mark(&timer);
dx_time += vpx_usec_timer_elapsed(&timer);
++frame_in;
if (progress)
fprintf(stderr, "decoded frame %d.\n", frame_in);
if ((img = vpx_codec_get_frame(&decoder, &iter)))
++frame_out;
if (!noblit)
{
if (img)
{
unsigned int y;
char out_fn[128+24];
uint8_t *buf;
const char *sfx = flipuv ? "yv12" : "i420";
if (!fn2)
{
sprintf(out_fn, "%s-%dx%d-%04d.%s",
prefix, img->d_w, img->d_h, frame_in, sfx);
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 < (1 + img->d_h) / 2; y++)
{
out_put(out, buf, (1 + img->d_w) / 2, do_md5);
buf += img->stride[VPX_PLANE_U];
}
buf = img->planes[flipuv?VPX_PLANE_U:VPX_PLANE_V];
for (y = 0; y < (1 + img->d_h) / 2; y++)
{
out_put(out, buf, (1 + img->d_w) / 2, do_md5);
buf += img->stride[VPX_PLANE_V];
}
if (!fn2)
out_close(out, out_fn, do_md5);
}
}
if (stop_after && frame_in >= stop_after)
break;
}
if (summary)
{
fprintf(stderr, "%d decoded frames/%d showed frames in %lu us (%.2f fps)\n",
frame_in, frame_out, dx_time, (float)frame_out * 1000000.0 / (float)dx_time);
}
fail:
if (vpx_codec_destroy(&decoder))
{
fprintf(stderr, "Failed to destroy decoder: %s\n", vpx_codec_error(&decoder));
return EXIT_FAILURE;
}
if (fn2)
out_close(out, fn2, do_md5);
free(buf);
fclose(infile);
free(prefix);
free(argv);
return EXIT_SUCCESS;
}