int file_is_raw(struct VpxInputContext *input) {
uint8_t buf[32];
int is_raw = 0;
vpx_codec_stream_info_t si;
si.sz = sizeof(si);
if (fread(buf, 1, 32, input->file) == 32) {
int i;
if (mem_get_le32(buf) < 256 * 1024 * 1024) {
for (i = 0; i < get_vpx_decoder_count(); ++i) {
const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
if (!vpx_codec_peek_stream_info(decoder->interface(),
buf + 4, 32 - 4, &si)) {
is_raw = 1;
input->fourcc = decoder->fourcc;
input->width = si.w;
input->height = si.h;
input->framerate.numerator = 30;
input->framerate.denominator = 1;
break;
}
}
}
}
rewind(input->file);
return is_raw;
}
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,
"\nOutput File Patterns:\n\n"
" The -o argument specifies the name of the file(s) to "
"write to. If the\n argument does not include any escape "
"characters, the output will be\n written to a single file. "
"Otherwise, the filename will be calculated by\n expanding "
"the following escape characters:\n");
fprintf(stderr,
"\n\t%%w - Frame width"
"\n\t%%h - Frame height"
"\n\t%%<n> - Frame number, zero padded to <n> places (1..9)"
"\n\n Pattern arguments are only supported in conjunction "
"with the --yv12 and\n --i420 options. If the -o option is "
"not specified, the output will be\n directed to stdout.\n"
);
fprintf(stderr, "\nIncluded decoders:\n\n");
for (i = 0; i < get_vpx_decoder_count(); ++i) {
const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
fprintf(stderr, " %-6s - %s\n",
decoder->name, vpx_codec_iface_name(decoder->interface()));
}
exit(EXIT_FAILURE);
}
const VpxInterface *get_vpx_decoder_by_fourcc(uint32_t fourcc) {
int i;
for (i = 0; i < get_vpx_decoder_count(); ++i) {
const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
if (decoder->fourcc == fourcc)
return decoder;
}
return NULL;
}
const VpxInterface *get_vpx_decoder_by_name(const char *name) {
int i;
for (i = 0; i < get_vpx_decoder_count(); ++i) {
const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
if (strcmp(decoder->name, name) == 0)
return decoder;
}
return NULL;
}
struct DecInputContext load(char const *filename) {
FILE *infile;
const VpxInterface *interface = NULL;
vpx_codec_dec_cfg_t cfg = {0, 0, 0};
int dec_flags = 0;
infile = fopen(filename, "rb");
if (!infile) {
fatal("Failed to open file '%s'", filename);
}
struct DecInputContext input;
vpx_codec_ctx_t *decoder = (vpx_codec_ctx_t*)calloc(1, sizeof(vpx_codec_ctx_t));;
struct VpxInputContext *vpx_ctx = (VpxInputContext*)calloc(1, sizeof(VpxInputContext));
struct WebmInputContext *webm_ctx = (WebmInputContext*)calloc(1, sizeof(WebmInputContext));
memset(&(input), 0, sizeof(input));
input.vpx_ctx = vpx_ctx;
input.webm_ctx = webm_ctx;
input.decoder = decoder;
input.file = infile;
input.vpx_ctx->file = infile;
if(file_is_webm(input.webm_ctx, input.vpx_ctx))
input.vpx_ctx->file_type = FILE_TYPE_WEBM;
else
fatal("Input isn't a webm!");
if(webm_guess_framerate(input.webm_ctx, input.vpx_ctx)) {
fatal("Failed to guess framerate!");
}
interface = get_vpx_decoder_by_fourcc(input.vpx_ctx->fourcc);
if(!interface)
interface = get_vpx_decoder_by_index(0);
if(vpx_codec_dec_init(input.decoder, interface->codec_interface(), &cfg, dec_flags)) {
fatal("Failed to initialize decoder: %s\n", vpx_codec_error(input.decoder));
}
return input;
}
int main_loop(int argc, const char **argv_) {
vpx_codec_ctx_t decoder;
char *fn = NULL;
int i;
uint8_t *buf = NULL;
size_t bytes_in_buffer = 0, buffer_size = 0;
FILE *infile;
int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0;
int do_md5 = 0, progress = 0;
int stop_after = 0, postproc = 0, summary = 0, quiet = 1;
int arg_skip = 0;
int ec_enabled = 0;
const VpxInterface *interface = NULL;
const VpxInterface *fourcc_interface = NULL;
uint64_t dx_time = 0;
struct arg arg;
char **argv, **argi, **argj;
int single_file;
int use_y4m = 1;
vpx_codec_dec_cfg_t cfg = {0};
#if CONFIG_VP8_DECODER
vp8_postproc_cfg_t vp8_pp_cfg = {0};
int vp8_dbg_color_ref_frame = 0;
int vp8_dbg_color_mb_modes = 0;
int vp8_dbg_color_b_modes = 0;
int vp8_dbg_display_mv = 0;
#endif
int frames_corrupted = 0;
int dec_flags = 0;
int do_scale = 0;
vpx_image_t *scaled_img = NULL;
int frame_avail, got_data;
int num_external_frame_buffers = 0;
struct ExternalFrameBufferList ext_fb_list = {0};
const char *outfile_pattern = NULL;
char outfile_name[PATH_MAX] = {0};
FILE *outfile = NULL;
MD5Context md5_ctx;
unsigned char md5_digest[16];
struct VpxDecInputContext input = {0};
struct VpxInputContext vpx_input_ctx = {0};
struct WebmInputContext webm_ctx = {0};
input.vpx_input_ctx = &vpx_input_ctx;
input.webm_ctx = &webm_ctx;
/* 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)) {
interface = get_vpx_decoder_by_name(arg.val);
if (!interface)
die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
} else if (arg_match(&arg, &looparg, argi)) {
// no-op
} else if (arg_match(&arg, &outputfile, argi))
outfile_pattern = arg.val;
else if (arg_match(&arg, &use_yv12, argi)) {
use_y4m = 0;
flipuv = 1;
} else if (arg_match(&arg, &use_i420, argi)) {
use_y4m = 0;
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, &skiparg, argi))
arg_skip = 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, &verbosearg, argi))
quiet = 0;
else if (arg_match(&arg, &scalearg, argi))
do_scale = 1;
else if (arg_match(&arg, &fb_arg, argi))
num_external_frame_buffers = arg_parse_uint(&arg);
#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, &mfqe, argi)) {
postproc = 1;
vp8_pp_cfg.post_proc_flag |= VP8_MFQE;
} 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 |= level;
} else if (arg_match(&arg, &pp_disp_ref_frame, argi)) {
unsigned int flags = arg_parse_int(&arg);
if (flags) {
postproc = 1;
vp8_dbg_color_ref_frame = flags;
}
} else if (arg_match(&arg, &pp_disp_mb_modes, argi)) {
unsigned int flags = arg_parse_int(&arg);
if (flags) {
postproc = 1;
vp8_dbg_color_mb_modes = flags;
}
} else if (arg_match(&arg, &pp_disp_b_modes, argi)) {
unsigned int flags = arg_parse_int(&arg);
if (flags) {
postproc = 1;
vp8_dbg_color_b_modes = flags;
}
} else if (arg_match(&arg, &pp_disp_mvs, argi)) {
unsigned int flags = arg_parse_int(&arg);
if (flags) {
postproc = 1;
vp8_dbg_display_mv = flags;
}
} else if (arg_match(&arg, &error_concealment, argi)) {
ec_enabled = 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();
/* Open file */
infile = strcmp(fn, "-") ? fopen(fn, "rb") : set_binary_mode(stdin);
if (!infile) {
fprintf(stderr, "Failed to open file '%s'", strcmp(fn, "-") ? fn : "stdin");
return EXIT_FAILURE;
}
#if CONFIG_OS_SUPPORT
/* Make sure we don't dump to the terminal, unless forced to with -o - */
if (!outfile_pattern && isatty(fileno(stdout)) && !do_md5 && !noblit) {
fprintf(stderr,
"Not dumping raw video to your terminal. Use '-o -' to "
"override.\n");
return EXIT_FAILURE;
}
#endif
input.vpx_input_ctx->file = infile;
if (file_is_ivf(input.vpx_input_ctx))
input.vpx_input_ctx->file_type = FILE_TYPE_IVF;
#if CONFIG_WEBM_IO
else if (file_is_webm(input.webm_ctx, input.vpx_input_ctx))
input.vpx_input_ctx->file_type = FILE_TYPE_WEBM;
#endif
else if (file_is_raw(input.vpx_input_ctx))
input.vpx_input_ctx->file_type = FILE_TYPE_RAW;
else {
fprintf(stderr, "Unrecognized input file type.\n");
#if !CONFIG_WEBM_IO
fprintf(stderr, "vpxdec was built without WebM container support.\n");
#endif
return EXIT_FAILURE;
}
outfile_pattern = outfile_pattern ? outfile_pattern : "-";
single_file = is_single_file(outfile_pattern);
if (!noblit && single_file) {
generate_filename(outfile_pattern, outfile_name, PATH_MAX,
vpx_input_ctx.width, vpx_input_ctx.height, 0);
if (do_md5)
MD5Init(&md5_ctx);
else
outfile = open_outfile(outfile_name);
}
if (use_y4m && !noblit) {
if (!single_file) {
fprintf(stderr, "YUV4MPEG2 not supported with output patterns,"
" try --i420 or --yv12.\n");
return EXIT_FAILURE;
}
#if CONFIG_WEBM_IO
if (vpx_input_ctx.file_type == FILE_TYPE_WEBM) {
if (webm_guess_framerate(input.webm_ctx, input.vpx_input_ctx)) {
fprintf(stderr, "Failed to guess framerate -- error parsing "
"webm file?\n");
return EXIT_FAILURE;
}
}
#endif
}
fourcc_interface = get_vpx_decoder_by_fourcc(vpx_input_ctx.fourcc);
if (interface && fourcc_interface && interface != fourcc_interface)
warn("Header indicates codec: %s\n", fourcc_interface->name);
else
interface = fourcc_interface;
if (!interface)
interface = get_vpx_decoder_by_index(0);
dec_flags = (postproc ? VPX_CODEC_USE_POSTPROC : 0) |
(ec_enabled ? VPX_CODEC_USE_ERROR_CONCEALMENT : 0);
if (vpx_codec_dec_init(&decoder, interface->interface(), &cfg, dec_flags)) {
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;
}
if (vp8_dbg_color_ref_frame
&& vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_REF_FRAME, vp8_dbg_color_ref_frame)) {
fprintf(stderr, "Failed to configure reference block visualizer: %s\n", vpx_codec_error(&decoder));
return EXIT_FAILURE;
}
if (vp8_dbg_color_mb_modes
&& vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_MB_MODES, vp8_dbg_color_mb_modes)) {
fprintf(stderr, "Failed to configure macro block visualizer: %s\n", vpx_codec_error(&decoder));
return EXIT_FAILURE;
}
if (vp8_dbg_color_b_modes
&& vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_B_MODES, vp8_dbg_color_b_modes)) {
fprintf(stderr, "Failed to configure block visualizer: %s\n", vpx_codec_error(&decoder));
return EXIT_FAILURE;
}
if (vp8_dbg_display_mv
&& vpx_codec_control(&decoder, VP8_SET_DBG_DISPLAY_MV, vp8_dbg_display_mv)) {
fprintf(stderr, "Failed to configure motion vector visualizer: %s\n", vpx_codec_error(&decoder));
return EXIT_FAILURE;
}
#endif
if (arg_skip)
fprintf(stderr, "Skipping first %d frames.\n", arg_skip);
while (arg_skip) {
if (read_frame(&input, &buf, &bytes_in_buffer, &buffer_size))
break;
arg_skip--;
}
if (num_external_frame_buffers > 0) {
ext_fb_list.num_external_frame_buffers = num_external_frame_buffers;
ext_fb_list.ext_fb = (struct ExternalFrameBuffer *)calloc(
num_external_frame_buffers, sizeof(*ext_fb_list.ext_fb));
if (vpx_codec_set_frame_buffer_functions(
&decoder, get_vp9_frame_buffer, release_vp9_frame_buffer,
&ext_fb_list)) {
fprintf(stderr, "Failed to configure external frame buffers: %s\n",
vpx_codec_error(&decoder));
return EXIT_FAILURE;
}
}
frame_avail = 1;
got_data = 0;
/* Decode file */
while (frame_avail || got_data) {
vpx_codec_iter_t iter = NULL;
vpx_image_t *img;
struct vpx_usec_timer timer;
int corrupted;
frame_avail = 0;
if (!stop_after || frame_in < stop_after) {
if (!read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) {
frame_avail = 1;
frame_in++;
vpx_usec_timer_start(&timer);
if (vpx_codec_decode(&decoder, buf, (unsigned int)bytes_in_buffer,
NULL, 0)) {
const char *detail = vpx_codec_error_detail(&decoder);
warn("Failed to decode frame %d: %s",
frame_in, vpx_codec_error(&decoder));
if (detail)
warn("Additional information: %s", detail);
goto fail;
}
vpx_usec_timer_mark(&timer);
dx_time += vpx_usec_timer_elapsed(&timer);
}
}
vpx_usec_timer_start(&timer);
got_data = 0;
if ((img = vpx_codec_get_frame(&decoder, &iter))) {
++frame_out;
got_data = 1;
}
vpx_usec_timer_mark(&timer);
dx_time += (unsigned int)vpx_usec_timer_elapsed(&timer);
if (vpx_codec_control(&decoder, VP8D_GET_FRAME_CORRUPTED, &corrupted)) {
warn("Failed VP8_GET_FRAME_CORRUPTED: %s", vpx_codec_error(&decoder));
goto fail;
}
frames_corrupted += corrupted;
if (progress)
show_progress(frame_in, frame_out, dx_time);
if (!noblit && img) {
const int PLANES_YUV[] = {VPX_PLANE_Y, VPX_PLANE_U, VPX_PLANE_V};
const int PLANES_YVU[] = {VPX_PLANE_Y, VPX_PLANE_V, VPX_PLANE_U};
const int *planes = flipuv ? PLANES_YVU : PLANES_YUV;
if (do_scale) {
if (frame_out == 1) {
// If the output frames are to be scaled to a fixed display size then
// use the width and height specified in the container. If either of
// these is set to 0, use the display size set in the first frame
// header. If that is unavailable, use the raw decoded size of the
// first decoded frame.
int display_width = vpx_input_ctx.width;
int display_height = vpx_input_ctx.height;
if (!display_width || !display_height) {
int display_size[2];
if (vpx_codec_control(&decoder, VP9D_GET_DISPLAY_SIZE,
display_size)) {
// As last resort use size of first frame as display size.
display_width = img->d_w;
display_height = img->d_h;
} else {
display_width = display_size[0];
display_height = display_size[1];
}
}
scaled_img = vpx_img_alloc(NULL, VPX_IMG_FMT_I420, display_width,
display_height, 16);
}
if (img->d_w != scaled_img->d_w || img->d_h != scaled_img->d_h) {
vpx_image_scale(img, scaled_img, kFilterBox);
img = scaled_img;
}
}
if (single_file) {
if (use_y4m) {
char buf[Y4M_BUFFER_SIZE] = {0};
size_t len = 0;
if (frame_out == 1) {
// Y4M file header
len = y4m_write_file_header(buf, sizeof(buf),
vpx_input_ctx.width,
vpx_input_ctx.height,
&vpx_input_ctx.framerate, img->fmt);
if (do_md5) {
MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
} else {
fputs(buf, outfile);
}
}
// Y4M frame header
len = y4m_write_frame_header(buf, sizeof(buf));
if (do_md5) {
MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
} else {
fputs(buf, outfile);
}
}
if (do_md5) {
update_image_md5(img, planes, &md5_ctx);
} else {
write_image_file(img, planes, outfile);
}
} else {
generate_filename(outfile_pattern, outfile_name, PATH_MAX,
img->d_w, img->d_h, frame_in);
if (do_md5) {
MD5Init(&md5_ctx);
update_image_md5(img, planes, &md5_ctx);
MD5Final(md5_digest, &md5_ctx);
print_md5(md5_digest, outfile_name);
} else {
outfile = open_outfile(outfile_name);
write_image_file(img, planes, outfile);
fclose(outfile);
}
}
}
if (stop_after && frame_in >= stop_after)
break;
}
if (summary || progress) {
show_progress(frame_in, frame_out, dx_time);
fprintf(stderr, "\n");
}
if (frames_corrupted)
fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);
fail:
if (vpx_codec_destroy(&decoder)) {
fprintf(stderr, "Failed to destroy decoder: %s\n",
vpx_codec_error(&decoder));
return EXIT_FAILURE;
}
if (!noblit && single_file) {
if (do_md5) {
MD5Final(md5_digest, &md5_ctx);
print_md5(md5_digest, outfile_name);
} else {
fclose(outfile);
}
}
#if CONFIG_WEBM_IO
if (input.vpx_input_ctx->file_type == FILE_TYPE_WEBM)
webm_free(input.webm_ctx);
#endif
if (input.vpx_input_ctx->file_type != FILE_TYPE_WEBM)
free(buf);
if (scaled_img) vpx_img_free(scaled_img);
for (i = 0; i < ext_fb_list.num_external_frame_buffers; ++i) {
free(ext_fb_list.ext_fb[i].data);
}
free(ext_fb_list.ext_fb);
fclose(infile);
free(argv);
return frames_corrupted ? EXIT_FAILURE : EXIT_SUCCESS;
}
