vpxdec.c

/*
 *  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>

#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"

#if CONFIG_OS_SUPPORT
#if defined(_WIN32)
#include <io.h>
#define snprintf _snprintf
#define isatty   _isatty
#define fileno   _fileno
#else
#include <unistd.h>
#endif
#endif

#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,