/*
* 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.
*/
/* 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>
#include <limits.h>
#if defined(_WIN32)
#include <io.h>
#define snprintf _snprintf
#define isatty _isatty
#define fileno _fileno
#else
#include <unistd.h>
#endif
#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
#include "tools_common.h"
#include "nestegg/include/nestegg/nestegg.h"
#ifndef PATH_MAX
#define PATH_MAX 256
#endif
static const char *exec_name;
#define VP8_FOURCC (0x00385056)
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, VP8_FOURCC, 0x00FFFFFF},
#endif
};
#include "args.h"
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 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");
#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, &postprocarg, &summaryarg, &outputfile,
&threadsarg, &verbosearg,
#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,
"\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"
"\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);
}
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;
}
enum file_kind
{
RAW_FILE,
IVF_FILE,
WEBM_FILE
};
struct input_ctx
{
enum file_kind kind;
FILE *infile;
nestegg *nestegg_ctx;
nestegg_packet *pkt;
unsigned int chunk;
unsigned int chunks;
unsigned int video_track;
};
#define IVF_FRAME_HDR_SZ (sizeof(uint32_t) + sizeof(uint64_t))
#define RAW_FRAME_HDR_SZ (sizeof(uint32_t))
static int read_frame(struct input_ctx *input,
uint8_t **buf,
size_t *buf_sz,
size_t *buf_alloc_sz)
{
char raw_hdr[IVF_FRAME_HDR_SZ];
size_t new_buf_sz;
FILE *infile = input->infile;
enum file_kind kind = input->kind;
if(kind == WEBM_FILE)
{
if(input->chunk >= input->chunks)
{
unsigned int track;
do
{
/* End of this packet, get another. */
if(input->pkt)
nestegg_free_packet(input->pkt);
if(nestegg_read_packet(input->nestegg_ctx, &input->pkt) <= 0
|| nestegg_packet_track(input->pkt, &track))
return 1;
} while(track != input->video_track);
if(nestegg_packet_count(input->pkt, &input->chunks))
return 1;
input->chunk = 0;
}
if(nestegg_packet_data(input->pkt, input->chunk, buf, buf_sz))
return 1;
input->chunk++;
return 0;
}
/* 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.
*/
else if (fread(raw_hdr, kind==IVF_FILE
? 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",
(unsigned int)new_buf_sz);
new_buf_sz = 0;
}
if (kind == RAW_FILE && new_buf_sz > 256 * 1024)
fprintf(stderr, "Warning: Read invalid frame size (%u)"
" - not a raw file?\n", (unsigned int)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
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)
{
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
MD5Update(out, buf, len);
#endif
}
else
{
if(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);
}
}
unsigned int file_is_ivf(FILE *infile,
unsigned int *fourcc,
unsigned int *width,
unsigned int *height,
unsigned int *fps_den,
unsigned int *fps_num)
{
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);
*fps_num = mem_get_le32(raw_hdr + 16);
*fps_den = mem_get_le32(raw_hdr + 20);
/* Some versions of vpxenc used 1/(2*fps) for the timebase, so
* we can guess the framerate using only the timebase in this
* case. Other files would require reading ahead to guess the
* timebase, like we do for webm.
*/
if(*fps_num < 1000)
{
/* Correct for the factor of 2 applied to the timebase in the
* encoder.
*/
if(*fps_num&1)*fps_den<<=1;
else *fps_num>>=1;
}
else
{
/* Don't know FPS for sure, and don't have readahead code
* (yet?), so just default to 30fps.
*/
*fps_num = 30;
*fps_den = 1;
}
}
}
if (!is_ivf)
rewind(infile);
return is_ivf;
}
unsigned int file_is_raw(FILE *infile,
unsigned int *fourcc,
unsigned int *width,
unsigned int *height,
unsigned int *fps_den,
unsigned int *fps_num)
{
unsigned char buf[32];
int is_raw = 0;
vpx_codec_stream_info_t si;
if (fread(buf, 1, 32, infile) == 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;
*fourcc = ifaces[i].fourcc;
*width = si.w;
*height = si.h;
*fps_num = 30;
*fps_den = 1;
break;
}
}
rewind(infile);
return is_raw;
}
static int
nestegg_read_cb(void *buffer, size_t length, void *userdata)
{
FILE *f = userdata;
if(fread(buffer, 1, length, f) < length)
{
if (ferror(f))
return -1;
if (feof(f))
return 0;
}
return 1;
}
static int
nestegg_seek_cb(int64_t offset, int whence, void * userdata)
{
switch(whence) {
case NESTEGG_SEEK_SET: whence = SEEK_SET; break;
case NESTEGG_SEEK_CUR: whence = SEEK_CUR; break;
case NESTEGG_SEEK_END: whence = SEEK_END; break;
};
return fseek(userdata, offset, whence)? -1 : 0;
}
static int64_t
nestegg_tell_cb(void * userdata)
{
return ftell(userdata);
}
static void
nestegg_log_cb(nestegg * context, unsigned int severity, char const * format,
...)
{
va_list ap;
va_start(ap, format);
vfprintf(stderr, format, ap);
fprintf(stderr, "\n");
va_end(ap);
}
static int
webm_guess_framerate(struct input_ctx *input,
unsigned int *fps_den,
unsigned int *fps_num)
{
unsigned int i;
uint64_t tstamp=0;
/* Guess the framerate. Read up to 1 second, or 50 video packets,
* whichever comes first.
*/
for(i=0; tstamp < 1000000000 && i < 50;)
{
nestegg_packet * pkt;
unsigned int track;
if(nestegg_read_packet(input->nestegg_ctx, &pkt) <= 0)
break;
nestegg_packet_track(pkt, &track);
if(track == input->video_track)
{
nestegg_packet_tstamp(pkt, &tstamp);
i++;
}
nestegg_free_packet(pkt);
}
if(nestegg_track_seek(input->nestegg_ctx, input->video_track, 0))
goto fail;
*fps_num = (i - 1) * 1000000;
*fps_den = tstamp / 1000;
return 0;
fail:
nestegg_destroy(input->nestegg_ctx);
input->nestegg_ctx = NULL;
rewind(input->infile);
return 1;
}
static int
file_is_webm(struct input_ctx *input,
unsigned int *fourcc,
unsigned int *width,
unsigned int *height,
unsigned int *fps_den,
unsigned int *fps_num)
{
unsigned int i, n;
int track_type = -1;
uint64_t tstamp=0;
nestegg_io io = {nestegg_read_cb, nestegg_seek_cb, nestegg_tell_cb,
input->infile};
nestegg_video_params params;
nestegg_packet * pkt;
if(nestegg_init(&input->nestegg_ctx, io, NULL))
goto fail;
if(nestegg_track_count(input->nestegg_ctx, &n))
goto fail;
for(i=0; i<n; i++)
{
track_type = nestegg_track_type(input->nestegg_ctx, i);
if(track_type == NESTEGG_TRACK_VIDEO)
break;
else if(track_type < 0)
goto fail;
}
if(nestegg_track_codec_id(input->nestegg_ctx, i) != NESTEGG_CODEC_VP8)
{
fprintf(stderr, "Not VP8 video, quitting.\n");
exit(1);
}
input->video_track = i;
if(nestegg_track_video_params(input->nestegg_ctx, i, ¶ms))
goto fail;
*fps_den = 0;
*fps_num = 0;
*fourcc = VP8_FOURCC;
*width = params.width;
*height = params.height;
return 1;
fail:
input->nestegg_ctx = NULL;
rewind(input->infile);
return 0;
}
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(int argc, const char **argv_)
{
vpx_codec_ctx_t decoder;
char *fn = NULL;
int i;
uint8_t *buf = NULL;
size_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 = 1;
vpx_codec_iface_t *iface = NULL;
unsigned int fourcc;
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;
unsigned int width;
unsigned int height;
unsigned int fps_den;
unsigned int fps_num;
void *out = NULL;
vpx_codec_dec_cfg_t cfg = {0};
#if CONFIG_VP8_DECODER
vp8_postproc_cfg_t vp8_pp_cfg = {0};
#endif
struct input_ctx input = {0};
/* 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))
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, &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;
#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 |= level;
}
#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;
}
/* 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;
}
input.infile = infile;
if(file_is_ivf(infile, &fourcc, &width, &height, &fps_den,
&fps_num))
input.kind = IVF_FILE;
else if(file_is_webm(&input, &fourcc, &width, &height, &fps_den, &fps_num))
input.kind = WEBM_FILE;
else if(file_is_raw(infile, &fourcc, &width, &height, &fps_den, &fps_num))
input.kind = RAW_FILE;
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,
width, 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(input.kind == WEBM_FILE)
if(webm_guess_framerate(&input, &fps_den, &fps_num))
{
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.*/
sprintf(buffer, "YUV4MPEG2 C%s W%u H%u F%u:%u I%c\n",
"420jpeg", width, height, fps_num, fps_den, '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;
}
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(&input, &buf, &buf_sz, &buf_alloc_sz))
{
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 ((img = vpx_codec_get_frame(&decoder, &iter)))
++frame_out;
if (progress)
show_progress(frame_in, frame_out, dx_time);
if (!noblit)
{
if (img)
{
unsigned int y;
char out_fn[PATH_MAX];
uint8_t *buf;
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 < (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 (!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");
}
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.nestegg_ctx)
nestegg_destroy(input.nestegg_ctx);
if(input.kind != WEBM_FILE)
free(buf);
fclose(infile);
free(argv);
return EXIT_SUCCESS;
}