diff options
Diffstat (limited to 'ivfdec.c')
-rw-r--r-- | ivfdec.c | 593 |
1 files changed, 593 insertions, 0 deletions
diff --git a/ivfdec.c b/ivfdec.c new file mode 100644 index 000000000..e4c9981b0 --- /dev/null +++ b/ivfdec.c @@ -0,0 +1,593 @@ +/* + * Copyright (c) 2010 The VP8 project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license and patent + * grant that can be found in the LICENSE file in the root of the source + * tree. 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> +#define VPX_CODEC_DISABLE_COMPAT 1 +#include "vpx_config.h" +#include "vpx_decoder.h" +#include "vpx_ports/vpx_timer.h" +#if CONFIG_VP8_DECODER +#include "vp8dx.h" +#endif +#if CONFIG_MD5 +#include "md5_utils.h" +#endif + +static const char *exec_name; + +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, 0x00385056, 0x00FFFFFF}, +#endif +}; + +#include "args.h" +static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1, + "Codec to use"); +static const arg_def_t prefixarg = ARG_DEF("p", "prefix", 1, + "Prefix to use when saving frames"); +static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0, + "Output file is YV12 "); +static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0, + "Output file is I420 (default)"); +static const arg_def_t flipuvarg = ARG_DEF(NULL, "flipuv", 0, + "Synonym for --yv12"); +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-raw-file", 1, + "Output raw yv12 file instead of images"); +static const arg_def_t threadsarg = ARG_DEF("t", "threads", 1, + "Max threads to use"); +static const arg_def_t quietarg = ARG_DEF("q", "quiet", 0, + "Suppress 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, &prefixarg, &use_yv12, &use_i420, &flipuvarg, &noblitarg, + &progressarg, &limitarg, &postprocarg, &summaryarg, &outputfile, + &threadsarg, &quietarg, +#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, "\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; +} + +#define IVF_FRAME_HDR_SZ (sizeof(uint32_t) + sizeof(uint64_t)) +#define RAW_FRAME_HDR_SZ (sizeof(uint32_t)) +static int read_frame(FILE *infile, + uint8_t **buf, + uint32_t *buf_sz, + uint32_t *buf_alloc_sz, + int is_ivf) +{ + char raw_hdr[IVF_FRAME_HDR_SZ]; + uint32_t new_buf_sz; + + /* 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. + */ + if (fread(raw_hdr, is_ivf ? 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", + new_buf_sz); + new_buf_sz = 0; + } + + if (!is_ivf && new_buf_sz > 256 * 1024) + fprintf(stderr, "Warning: Read invalid frame size (%u)" + " - not a raw file?\n", 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 + md5_ctx_t *md5_ctx = out = malloc(sizeof(md5_ctx_t)); + (void)out_fn; + md5_init(md5_ctx); +#endif + } + else + { + FILE *outfile = out = strcmp("-", out_fn) ? fopen(out_fn, "wb") : 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 + md5_update(out, buf, len); +#endif + } + else + { + 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; + + md5_finalize(out, md5); + 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) +{ + 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); + } + } + + if (!is_ivf) + rewind(infile); + + return is_ivf; +} + +int main(int argc, const char **argv_) +{ + vpx_codec_ctx_t decoder; + char *prefix = NULL, *fn = NULL; + int i; + uint8_t *buf = NULL; + uint32_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 = 0; + vpx_codec_iface_t *iface = NULL; + unsigned int is_ivf, fourcc; + unsigned long dx_time = 0; + struct arg arg; + char **argv, **argi, **argj; + const char *fn2 = 0; + void *out = NULL; + vpx_codec_dec_cfg_t cfg = {0}; +#if CONFIG_VP8_DECODER + vp8_postproc_cfg_t vp8_pp_cfg = {0}; +#endif + + /* 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)) + fn2 = arg.val; + else if (arg_match(&arg, &prefixarg, argi)) + prefix = strdup(arg.val); + else if (arg_match(&arg, &use_yv12, argi)) + flipuv = 1; + else if (arg_match(&arg, &use_i420, argi)) + 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, &quietarg, argi)) + quiet = 1; + +#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 |= 8 << (level - 1); + } + +#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(); + + if (!prefix) + prefix = strdup("img"); + + /* Open file */ + infile = strcmp(fn, "-") ? fopen(fn, "rb") : stdin; + + if (!infile) + { + fprintf(stderr, "Failed to open file"); + return EXIT_FAILURE; + } + + if (fn2) + out = out_open(fn2, do_md5); + + is_ivf = file_is_ivf(infile, &fourcc); + + if (is_ivf) + { + /* 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(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); + } + + buf = img->planes[PLANE_Y]; + + for (y = 0; y < img->d_h; y++) + { + out_put(out, buf, img->d_w, do_md5); + buf += img->stride[PLANE_Y]; + } + + buf = img->planes[flipuv?PLANE_V: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[PLANE_U]; + } + + buf = img->planes[flipuv?PLANE_U: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[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; +} |