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_decoder.h"
20 #if CONFIG_VP8_DECODER && !defined(interface)
22 #define interface (&vpx_codec_vp8_dx_algo)
27 #define IVF_FILE_HDR_SZ (32)
28 #define IVF_FRAME_HDR_SZ (12)
30 static unsigned int mem_get_le32(const unsigned char *mem) {
31 return (mem[3] << 24)|(mem[2] << 16)|(mem[1] << 8)|(mem[0]);
34 static void die(const char *fmt, ...) {
39 if(fmt[strlen(fmt)-1] != '\n')
46 int main(int argc, char **argv) {
47 FILE *infile, *outfile;
48 vpx_codec_ctx_t codec;
49 int flags = 0, frame_cnt = 0;
50 unsigned char file_hdr[IVF_FILE_HDR_SZ];
51 unsigned char frame_hdr[IVF_FRAME_HDR_SZ];
52 unsigned char frame[256*1024];
59 if(!(infile = fopen(argv[1], "rb")))
60 die("Failed to open %s for reading", argv[1]);
61 if(!(outfile = fopen(argv[2], "wb")))
62 die("Failed to open %s for writing", argv[2]);
64 /* Read file header */
65 fread(file_hdr, 1, IVF_FILE_HDR_SZ, infile);
66 if(!(file_hdr[0]=='D' && file_hdr[1]=='K' && file_hdr[2]=='I'
68 die("%s is not an IVF file.", argv[1]);
70 printf("Using %s\n",vpx_codec_iface_name(interface));
74 while(fread(frame_hdr, 1, IVF_FRAME_HDR_SZ, infile) == IVF_FRAME_HDR_SZ) {
75 int frame_sz = mem_get_le32(frame_hdr);
76 vpx_codec_iter_t iter = NULL;
81 if(frame_sz > sizeof(frame))
82 die("Frame %d data too big for example code buffer", frame_sz);
83 if(fread(frame, 1, frame_sz, infile) != frame_sz)
84 die("Frame %d failed to read complete frame", frame_cnt);
89 /* Write decoded data to disk */
91 unsigned int plane, y;
93 @@@@@@@@@@@@PROCESS_DX
96 printf("Processed %d frames.\n",frame_cnt);