640 строки
18 KiB
C
640 строки
18 KiB
C
/*
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* Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license and patent
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* grant that can be found in the LICENSE file in the root of the source
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* tree. All contributing project authors may be found in the AUTHORS
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* file in the root of the source tree.
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*/
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/* This is a simple program that reads ivf files and decodes them
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* using the new interface. Decoded frames are output as YV12 raw.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#define VPX_CODEC_DISABLE_COMPAT 1
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#include "vpx_config.h"
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#include "vpx/vpx_decoder.h"
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#include "vpx_ports/vpx_timer.h"
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#if CONFIG_VP8_DECODER
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#include "vpx/vp8dx.h"
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#endif
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#if CONFIG_MD5
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#include "md5_utils.h"
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#endif
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static const char *exec_name;
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static const struct
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{
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char const *name;
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const vpx_codec_iface_t *iface;
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unsigned int fourcc;
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unsigned int fourcc_mask;
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} ifaces[] =
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{
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#if CONFIG_VP8_DECODER
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{"vp8", &vpx_codec_vp8_dx_algo, 0x00385056, 0x00FFFFFF},
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#endif
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};
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#include "args.h"
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static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
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"Codec to use");
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static const arg_def_t prefixarg = ARG_DEF("p", "prefix", 1,
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"Prefix to use when saving frames");
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static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
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"Output file is YV12 ");
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static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
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"Output file is I420 (default)");
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static const arg_def_t flipuvarg = ARG_DEF(NULL, "flipuv", 0,
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"Synonym for --yv12");
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static const arg_def_t noblitarg = ARG_DEF(NULL, "noblit", 0,
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"Don't process the decoded frames");
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static const arg_def_t progressarg = ARG_DEF(NULL, "progress", 0,
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"Show progress after each frame decodes");
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static const arg_def_t limitarg = ARG_DEF(NULL, "limit", 1,
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"Stop decoding after n frames");
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static const arg_def_t postprocarg = ARG_DEF(NULL, "postproc", 0,
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"Postprocess decoded frames");
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static const arg_def_t summaryarg = ARG_DEF(NULL, "summary", 0,
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"Show timing summary");
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static const arg_def_t outputfile = ARG_DEF("o", "output", 1,
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"Output raw yv12 file instead of images");
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static const arg_def_t usey4marg = ARG_DEF("y", "y4m", 0,
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"Output file is YUV4MPEG2");
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static const arg_def_t threadsarg = ARG_DEF("t", "threads", 1,
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"Max threads to use");
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static const arg_def_t quietarg = ARG_DEF("q", "quiet", 0,
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"Suppress version string");
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#if CONFIG_MD5
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static const arg_def_t md5arg = ARG_DEF(NULL, "md5", 0,
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"Compute the MD5 sum of the decoded frame");
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#endif
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static const arg_def_t *all_args[] =
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{
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&codecarg, &prefixarg, &use_yv12, &use_i420, &flipuvarg, &noblitarg,
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&progressarg, &limitarg, &postprocarg, &summaryarg, &outputfile,
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&usey4marg, &threadsarg, &quietarg,
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#if CONFIG_MD5
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&md5arg,
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#endif
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NULL
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};
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#if CONFIG_VP8_DECODER
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static const arg_def_t addnoise_level = ARG_DEF(NULL, "noise-level", 1,
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"Enable VP8 postproc add noise");
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static const arg_def_t deblock = ARG_DEF(NULL, "deblock", 0,
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"Enable VP8 deblocking");
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static const arg_def_t demacroblock_level = ARG_DEF(NULL, "demacroblock-level", 1,
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"Enable VP8 demacroblocking, w/ level");
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static const arg_def_t pp_debug_info = ARG_DEF(NULL, "pp-debug-info", 1,
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"Enable VP8 visible debug info");
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static const arg_def_t *vp8_pp_args[] =
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{
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&addnoise_level, &deblock, &demacroblock_level, &pp_debug_info,
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NULL
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};
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#endif
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static void usage_exit()
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{
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int i;
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fprintf(stderr, "Usage: %s <options> filename\n\n"
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"Options:\n", exec_name);
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arg_show_usage(stderr, all_args);
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#if CONFIG_VP8_DECODER
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fprintf(stderr, "\nvp8 Postprocessing Options:\n");
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arg_show_usage(stderr, vp8_pp_args);
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#endif
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fprintf(stderr, "\nIncluded decoders:\n\n");
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for (i = 0; i < sizeof(ifaces) / sizeof(ifaces[0]); i++)
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fprintf(stderr, " %-6s - %s\n",
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ifaces[i].name,
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vpx_codec_iface_name(ifaces[i].iface));
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exit(EXIT_FAILURE);
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}
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void die(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, "\n");
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usage_exit();
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}
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static unsigned int mem_get_le16(const void *vmem)
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{
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unsigned int val;
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const unsigned char *mem = (const unsigned char *)vmem;
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val = mem[1] << 8;
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val |= mem[0];
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return val;
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}
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static unsigned int mem_get_le32(const void *vmem)
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{
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unsigned int val;
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const unsigned char *mem = (const unsigned char *)vmem;
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val = mem[3] << 24;
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val |= mem[2] << 16;
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val |= mem[1] << 8;
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val |= mem[0];
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return val;
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}
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#define IVF_FRAME_HDR_SZ (sizeof(uint32_t) + sizeof(uint64_t))
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#define RAW_FRAME_HDR_SZ (sizeof(uint32_t))
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static int read_frame(FILE *infile,
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uint8_t **buf,
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uint32_t *buf_sz,
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uint32_t *buf_alloc_sz,
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int is_ivf)
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{
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char raw_hdr[IVF_FRAME_HDR_SZ];
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uint32_t new_buf_sz;
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/* For both the raw and ivf formats, the frame size is the first 4 bytes
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* of the frame header. We just need to special case on the header
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* size.
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*/
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if (fread(raw_hdr, is_ivf ? IVF_FRAME_HDR_SZ : RAW_FRAME_HDR_SZ, 1,
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infile) != 1)
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{
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if (!feof(infile))
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fprintf(stderr, "Failed to read frame size\n");
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new_buf_sz = 0;
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}
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else
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{
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new_buf_sz = mem_get_le32(raw_hdr);
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if (new_buf_sz > 256 * 1024 * 1024)
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{
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fprintf(stderr, "Error: Read invalid frame size (%u)\n",
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new_buf_sz);
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new_buf_sz = 0;
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}
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if (!is_ivf && new_buf_sz > 256 * 1024)
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fprintf(stderr, "Warning: Read invalid frame size (%u)"
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" - not a raw file?\n", new_buf_sz);
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if (new_buf_sz > *buf_alloc_sz)
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{
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uint8_t *new_buf = realloc(*buf, 2 * new_buf_sz);
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if (new_buf)
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{
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*buf = new_buf;
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*buf_alloc_sz = 2 * new_buf_sz;
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}
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else
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{
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fprintf(stderr, "Failed to allocate compressed data buffer\n");
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new_buf_sz = 0;
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}
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}
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}
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*buf_sz = new_buf_sz;
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if (*buf_sz)
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{
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if (fread(*buf, 1, *buf_sz, infile) != *buf_sz)
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{
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fprintf(stderr, "Failed to read full frame\n");
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return 1;
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}
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return 0;
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}
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return 1;
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}
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void *out_open(const char *out_fn, int do_md5)
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{
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void *out = NULL;
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if (do_md5)
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{
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#if CONFIG_MD5
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md5_ctx_t *md5_ctx = out = malloc(sizeof(md5_ctx_t));
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(void)out_fn;
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md5_init(md5_ctx);
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#endif
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}
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else
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{
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FILE *outfile = out = strcmp("-", out_fn) ? fopen(out_fn, "wb") : stdout;
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if (!outfile)
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{
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fprintf(stderr, "Failed to output file");
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exit(EXIT_FAILURE);
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}
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}
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return out;
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}
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void out_put(void *out, const uint8_t *buf, unsigned int len, int do_md5)
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{
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if (do_md5)
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{
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#if CONFIG_MD5
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md5_update(out, buf, len);
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#endif
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}
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else
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{
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fwrite(buf, 1, len, out);
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}
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}
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void out_close(void *out, const char *out_fn, int do_md5)
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{
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if (do_md5)
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{
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#if CONFIG_MD5
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uint8_t md5[16];
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int i;
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md5_finalize(out, md5);
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free(out);
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for (i = 0; i < 16; i++)
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printf("%02x", md5[i]);
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printf(" %s\n", out_fn);
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#endif
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}
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else
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{
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fclose(out);
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}
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}
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unsigned int file_is_ivf(FILE *infile,
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unsigned int *fourcc,
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unsigned int *width,
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unsigned int *height,
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unsigned int *timebase_num,
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unsigned int *timebase_den)
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{
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char raw_hdr[32];
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int is_ivf = 0;
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if (fread(raw_hdr, 1, 32, infile) == 32)
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{
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if (raw_hdr[0] == 'D' && raw_hdr[1] == 'K'
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&& raw_hdr[2] == 'I' && raw_hdr[3] == 'F')
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{
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is_ivf = 1;
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if (mem_get_le16(raw_hdr + 4) != 0)
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fprintf(stderr, "Error: Unrecognized IVF version! This file may not"
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" decode properly.");
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*fourcc = mem_get_le32(raw_hdr + 8);
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*width = mem_get_le16(raw_hdr + 12);
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*height = mem_get_le16(raw_hdr + 14);
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*timebase_den = mem_get_le32(raw_hdr + 16);
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*timebase_num = mem_get_le32(raw_hdr + 20);
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}
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}
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if (!is_ivf)
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rewind(infile);
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return is_ivf;
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}
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int main(int argc, const char **argv_)
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{
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vpx_codec_ctx_t decoder;
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char *prefix = NULL, *fn = NULL;
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int i;
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uint8_t *buf = NULL;
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uint32_t buf_sz = 0, buf_alloc_sz = 0;
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FILE *infile;
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int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0, do_md5 = 0, progress = 0;
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int stop_after = 0, postproc = 0, summary = 0, quiet = 0;
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vpx_codec_iface_t *iface = NULL;
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unsigned int is_ivf, fourcc;
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unsigned long dx_time = 0;
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struct arg arg;
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char **argv, **argi, **argj;
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const char *fn2 = 0;
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int use_y4m = 0;
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unsigned int width;
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unsigned int height;
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unsigned int timebase_num;
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unsigned int timebase_den;
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void *out = NULL;
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vpx_codec_dec_cfg_t cfg = {0};
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#if CONFIG_VP8_DECODER
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vp8_postproc_cfg_t vp8_pp_cfg = {0};
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#endif
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/* Parse command line */
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exec_name = argv_[0];
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argv = argv_dup(argc - 1, argv_ + 1);
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for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
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{
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memset(&arg, 0, sizeof(arg));
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arg.argv_step = 1;
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if (arg_match(&arg, &codecarg, argi))
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{
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int j, k = -1;
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for (j = 0; j < sizeof(ifaces) / sizeof(ifaces[0]); j++)
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if (!strcmp(ifaces[j].name, arg.val))
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k = j;
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if (k >= 0)
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iface = ifaces[k].iface;
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else
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die("Error: Unrecognized argument (%s) to --codec\n",
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arg.val);
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}
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else if (arg_match(&arg, &outputfile, argi))
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fn2 = arg.val;
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else if (arg_match(&arg, &usey4marg, argi))
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use_y4m = 1;
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else if (arg_match(&arg, &prefixarg, argi))
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prefix = strdup(arg.val);
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else if (arg_match(&arg, &use_yv12, argi))
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flipuv = 1;
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else if (arg_match(&arg, &use_i420, argi))
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flipuv = 0;
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else if (arg_match(&arg, &flipuvarg, argi))
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flipuv = 1;
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else if (arg_match(&arg, &noblitarg, argi))
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noblit = 1;
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else if (arg_match(&arg, &progressarg, argi))
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progress = 1;
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else if (arg_match(&arg, &limitarg, argi))
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stop_after = arg_parse_uint(&arg);
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else if (arg_match(&arg, &postprocarg, argi))
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postproc = 1;
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else if (arg_match(&arg, &md5arg, argi))
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do_md5 = 1;
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else if (arg_match(&arg, &summaryarg, argi))
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summary = 1;
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else if (arg_match(&arg, &threadsarg, argi))
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cfg.threads = arg_parse_uint(&arg);
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else if (arg_match(&arg, &quietarg, argi))
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quiet = 1;
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#if CONFIG_VP8_DECODER
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else if (arg_match(&arg, &addnoise_level, argi))
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{
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postproc = 1;
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vp8_pp_cfg.post_proc_flag |= VP8_ADDNOISE;
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vp8_pp_cfg.noise_level = arg_parse_uint(&arg);
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}
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else if (arg_match(&arg, &demacroblock_level, argi))
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{
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postproc = 1;
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vp8_pp_cfg.post_proc_flag |= VP8_DEMACROBLOCK;
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vp8_pp_cfg.deblocking_level = arg_parse_uint(&arg);
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}
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else if (arg_match(&arg, &deblock, argi))
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{
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postproc = 1;
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vp8_pp_cfg.post_proc_flag |= VP8_DEBLOCK;
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}
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else if (arg_match(&arg, &pp_debug_info, argi))
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{
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unsigned int level = arg_parse_uint(&arg);
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postproc = 1;
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vp8_pp_cfg.post_proc_flag &= ~0x7;
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if (level)
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vp8_pp_cfg.post_proc_flag |= 8 << (level - 1);
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}
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#endif
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else
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argj++;
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}
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/* Check for unrecognized options */
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for (argi = argv; *argi; argi++)
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if (argi[0][0] == '-' && strlen(argi[0]) > 1)
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die("Error: Unrecognized option %s\n", *argi);
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/* Handle non-option arguments */
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fn = argv[0];
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if (!fn)
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usage_exit();
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if (!prefix)
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prefix = strdup("img");
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/* Open file */
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infile = strcmp(fn, "-") ? fopen(fn, "rb") : stdin;
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if (!infile)
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{
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fprintf(stderr, "Failed to open file");
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return EXIT_FAILURE;
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}
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if (fn2)
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out = out_open(fn2, do_md5);
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is_ivf = file_is_ivf(infile, &fourcc, &width, &height,
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&timebase_num, &timebase_den);
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if (is_ivf)
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{
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if (use_y4m)
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{
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char buffer[128];
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if (!fn2)
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{
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fprintf(stderr, "YUV4MPEG2 output only supported with -o.\n");
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return EXIT_FAILURE;
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}
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/*Correct for the factor of 2 applied to the timebase in the
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encoder.*/
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if(timebase_den&1)timebase_num<<=1;
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else timebase_den>>=1;
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/*Note: We can't output an aspect ratio here because IVF doesn't
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store one, and neither does VP8.
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That will have to wait until these tools support WebM natively.*/
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sprintf(buffer, "YUV4MPEG2 C%s W%u H%u F%u:%u I%c\n",
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"420jpeg", width, height, timebase_den, timebase_num, 'p');
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out_put(out, (unsigned char *)buffer, strlen(buffer), do_md5);
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}
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/* Try to determine the codec from the fourcc. */
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for (i = 0; i < sizeof(ifaces) / sizeof(ifaces[0]); i++)
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if ((fourcc & ifaces[i].fourcc_mask) == ifaces[i].fourcc)
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{
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vpx_codec_iface_t *ivf_iface = ifaces[i].iface;
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if (iface && iface != ivf_iface)
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fprintf(stderr, "Notice -- IVF header indicates codec: %s\n",
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ifaces[i].name);
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else
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iface = ivf_iface;
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break;
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}
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}
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else if(use_y4m)
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{
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fprintf(stderr, "YUV4MPEG2 output only supported from IVF input.\n");
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|
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;
|
|
}
|