2 * Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license and patent
5 * grant that can be found in the LICENSE file in the root of the source
6 * tree. All contributing project authors may be found in the AUTHORS
7 * file in the root of the source tree.
18 #define VPX_CODEC_DISABLE_COMPAT 1
19 #include "vpx/vpx_decoder.h"
20 #include "vpx/vp8dx.h"
21 #define interface (&vpx_codec_vp8_dx_algo)
25 #define IVF_FILE_HDR_SZ (32)
26 #define IVF_FRAME_HDR_SZ (12)
28 static unsigned int mem_get_le32(const unsigned char *mem) {
29 return (mem[3] << 24)|(mem[2] << 16)|(mem[1] << 8)|(mem[0]);
32 static void die(const char *fmt, ...) {
37 if(fmt[strlen(fmt)-1] != '\n')
44 int main(int argc, char **argv) {
45 FILE *infile, *outfile;
46 vpx_codec_ctx_t codec;
47 int flags = 0, frame_cnt = 0;
48 unsigned char file_hdr[IVF_FILE_HDR_SZ];
49 unsigned char frame_hdr[IVF_FRAME_HDR_SZ];
50 unsigned char frame[256*1024];
57 if(!(infile = fopen(argv[1], "rb")))
58 die("Failed to open %s for reading", argv[1]);
59 if(!(outfile = fopen(argv[2], "wb")))
60 die("Failed to open %s for writing", argv[2]);
62 /* Read file header */
63 fread(file_hdr, 1, IVF_FILE_HDR_SZ, infile);
64 if(!(file_hdr[0]=='D' && file_hdr[1]=='K' && file_hdr[2]=='I'
66 die("%s is not an IVF file.", argv[1]);
68 printf("Using %s\n",vpx_codec_iface_name(interface));
72 while(fread(frame_hdr, 1, IVF_FRAME_HDR_SZ, infile) == IVF_FRAME_HDR_SZ) {
73 int frame_sz = mem_get_le32(frame_hdr);
74 vpx_codec_iter_t iter = NULL;
79 if(frame_sz > sizeof(frame))
80 die("Frame %d data too big for example code buffer", frame_sz);
81 if(fread(frame, 1, frame_sz, infile) != frame_sz)
82 die("Frame %d failed to read complete frame", frame_cnt);
87 /* Write decoded data to disk */
89 unsigned int plane, y;
91 @@@@@@@@@@@@PROCESS_DX
94 printf("Processed %d frames.\n",frame_cnt);