/*
* Copyright 2013 The LibYuv Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
// Convert an ARGB image to YUV.
// Usage: yuvconvert src_argb.raw dst_yuv.raw
#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#endif
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "libyuv/convert.h"
#include "libyuv/planar_functions.h"
#include "libyuv/scale_argb.h"
// options
bool verbose = false;
bool attenuate = false;
bool unattenuate = false;
int image_width = 0, image_height = 0; // original width and height
int dst_width = 0, dst_height = 0; // new width and height
int fileindex_org = 0; // argv argument contains the original file name.
int fileindex_rec = 0; // argv argument contains the reconstructed file name.
int num_rec = 0; // Number of reconstructed images.
int num_skip_org = 0; // Number of frames to skip in original.
int num_frames = 0; // Number of frames to convert.
int filter = 1; // Bilinear filter for scaling.
static __inline uint32 Abs(int32 v) {
return v >= 0 ? v : -v;
}
// Parse PYUV format. ie name.1920x800_24Hz_P420.yuv
bool ExtractResolutionFromFilename(const char* name,
int* width_ptr,
int* height_ptr) {
// Isolate the .width_height. section of the filename by searching for a
// dot or underscore followed by a digit.
for (int i = 0; name[i]; ++i) {
if ((name[i] == '.' || name[i] == '_') && name[i + 1] >= '0' &&
name[i + 1] <= '9') {
int n = sscanf(name + i + 1, "%dx%d", width_ptr, height_ptr); // NOLINT
if (2 == n) {
return true;
}
}
}
return false;
}
void PrintHelp(const char* program) {
printf("%s [-options] src_argb.raw dst_yuv.raw\n", program);
printf(
" -s <width> <height> .... specify source resolution. "
"Optional if name contains\n"
" resolution (ie. "
"name.1920x800_24Hz_P420.yuv)\n"
" Negative value mirrors.\n");
printf(" -d <width> <height> .... specify destination resolution.\n");
printf(" -f <filter> ............ 0 = point, 1 = bilinear (default).\n");
printf(" -skip <src_argb> ....... Number of frame to skip of src_argb\n");
printf(" -frames <num> .......... Number of frames to convert\n");
printf(" -attenuate ............. Attenuate the ARGB image\n");
printf(" -unattenuate ........... Unattenuate the ARGB image\n");
printf(" -v ..................... verbose\n");
printf(" -h ..................... this help\n");
exit(0);
}
void ParseOptions(int argc, const char* argv[]) {
if (argc <= 1)
PrintHelp(argv[0]);
for (int c = 1; c < argc; ++c) {
if (!strcmp(argv[c], "-v")) {
verbose = true;
} else if (!strcmp(argv[c], "-attenuate")) {
attenuate = true;
} else if (!strcmp(argv[c], "-unattenuate")) {
unattenuate = true;
} else if (!strcmp(argv[c], "-h") || !strcmp(argv[c], "-help")) {
PrintHelp(argv[0]);
} else if (!strcmp(argv[c], "-s") && c + 2 < argc) {
image_width = atoi(argv[++c]); // NOLINT
image_height = atoi(argv[++c]); // NOLINT
} else if (!strcmp(argv[c], "-d") && c + 2 < argc) {
dst_width = atoi(argv[++c]); // NOLINT
dst_height = atoi(argv[++c]); // NOLINT
} else if (!strcmp(argv[c], "-skip") && c + 1 < argc) {
num_skip_org = atoi(argv[++c]); // NOLINT
} else if (!strcmp(argv[c], "-frames") && c + 1 < argc) {
num_frames = atoi(argv[++c]); // NOLINT
} else if (!strcmp(argv[c], "-f") && c + 1 < argc) {
filter = atoi(argv[++c]); // NOLINT
} else if (argv[c][0] == '-') {
fprintf(stderr, "Unknown option. %s\n", argv[c]);
} else if (fileindex_org == 0) {
fileindex_org = c;
} else if (fileindex_rec == 0) {
fileindex_rec = c;
num_rec = 1;
} else {
++num_rec;
}
}
if (fileindex_org == 0 || fileindex_rec == 0) {
fprintf(stderr, "Missing filenames\n");
PrintHelp(argv[0]);
}
if (num_skip_org < 0) {
fprintf(stderr, "Skipped frames incorrect\n");
PrintHelp(argv[0]);
}
if (num_frames < 0) {
fprintf(stderr, "Number of frames incorrect\n");
PrintHelp(argv[0]);
}
int org_width, org_height;
int rec_width, rec_height;
bool org_res_avail = ExtractResolutionFromFilename(argv[fileindex_org],
&org_width, &org_height);
bool rec_res_avail = ExtractResolutionFromFilename(argv[fileindex_rec],
&rec_width, &rec_height);
if (image_width == 0 || image_height == 0) {
if (org_res_avail) {
image_width = org_width;
image_height = org_height;
} else if (rec_res_avail) {
image_width = rec_width;
image_height = rec_height;
} else {
fprintf(stderr, "Missing dimensions.\n");
PrintHelp(argv[0]);
}
}
if (dst_width == 0 || dst_height == 0) {
if (rec_res_avail) {
dst_width = rec_width;
dst_height = rec_height;
} else {
dst_width = Abs(image_width);
dst_height = Abs(image_height);
}
}
}
static const int kTileX = 32;
static const int kTileY = 32;
static int TileARGBScale(const uint8* src_argb,
int src_stride_argb,
int src_width,
int src_height,
uint8* dst_argb,
int dst_stride_argb,
int dst_width,
int dst_height,
libyuv::FilterMode filtering) {
for (int y = 0; y < dst_height; y += kTileY) {
for (int x = 0; x < dst_width; x += kTileX) {
int clip_width = kTileX;
if (x + clip_width > dst_width) {
clip_width = dst_width - x;
}
int clip_height = kTileY;
if (y + clip_height > dst_height) {
clip_height = dst_height - y;
}
int r = libyuv::ARGBScaleClip(src_argb, src_stride_argb, src_width,
src_height, dst_argb, dst_stride_argb,
dst_width, dst_height, x, y, clip_width,
clip_height, filtering);
if (r) {
return r;
}
}
}
return 0;
}
int main(int argc, const char* argv[]) {
ParseOptions(argc, argv);
// Open original file (first file argument)
FILE* const file_org = fopen(argv[fileindex_org], "rb");
if (file_org == NULL) {
fprintf(stderr, "Cannot open %s\n", argv[fileindex_org]);
exit(1);
}
// Open all files to convert to
FILE** file_rec = new FILE*[num_rec];
memset(file_rec, 0, num_rec * sizeof(FILE*)); // NOLINT
for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
file_rec[cur_rec] = fopen(argv[fileindex_rec + cur_rec], "wb");
if (file_rec[cur_rec] == NULL) {
fprintf(stderr, "Cannot open %s\n", argv[fileindex_rec + cur_rec]);
fclose(file_org);
for (int i = 0; i < cur_rec; ++i) {
fclose(file_rec[i]);
}
delete[] file_rec;
exit(1);
}
}
bool org_is_yuv = strstr(argv[fileindex_org], "_P420.") != NULL;
bool org_is_argb = strstr(argv[fileindex_org], "_ARGB.") != NULL;
if (!org_is_yuv && !org_is_argb) {
fprintf(stderr, "Original format unknown %s\n", argv[fileindex_org]);
exit(1);
}
int org_size = Abs(image_width) * Abs(image_height) * 4; // ARGB
// Input is YUV
if (org_is_yuv) {
const int y_size = Abs(image_width) * Abs(image_height);
const int uv_size =
((Abs(image_width) + 1) / 2) * ((Abs(image_height) + 1) / 2);
org_size = y_size + 2 * uv_size; // YUV original.
}
const int dst_size = dst_width * dst_height * 4; // ARGB scaled
const int y_size = dst_width * dst_height;
const int uv_size = ((dst_width + 1) / 2) * ((dst_height + 1) / 2);
const size_t total_size = y_size + 2 * uv_size;
#if defined(_MSC_VER)
_fseeki64(file_org,
static_cast<__int64>(num_skip_org) * static_cast<__int64>(org_size),
SEEK_SET);
#else
fseek(file_org, num_skip_org * total_size, SEEK_SET);
#endif
uint8* const ch_org = new uint8[org_size];
uint8* const ch_dst = new uint8[dst_size];
uint8* const ch_rec = new uint8[total_size];
if (ch_org == NULL || ch_rec == NULL) {
fprintf(stderr, "No memory available\n");
fclose(file_org);
for (int i = 0; i < num_rec; ++i) {
fclose(file_rec[i]);
}
delete[] ch_org;
delete[] ch_dst;
delete[] ch_rec;
delete[] file_rec;
exit(1);
}
if (verbose) {
printf("Size: %dx%d to %dx%d\n", image_width, image_height, dst_width,
dst_height);
}
int number_of_frames;
for (number_of_frames = 0;; ++number_of_frames) {
if (num_frames && number_of_frames >= num_frames)
break;
// Load original YUV or ARGB frame.
size_t bytes_org =
fread(ch_org, sizeof(uint8), static_cast<size_t>(org_size), file_org);
if (bytes_org < static_cast<size_t>(org_size))
break;
// TODO(fbarchard): Attenuate doesnt need to know dimensions.
// ARGB attenuate frame
if (org_is_argb && attenuate) {
libyuv::ARGBAttenuate(ch_org, 0, ch_org, 0, org_size / 4, 1);
}
// ARGB unattenuate frame
if (org_is_argb && unattenuate) {
libyuv::ARGBUnattenuate(ch_org, 0, ch_org, 0, org_size / 4, 1);
}
for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
// Scale YUV or ARGB frame.
if (org_is_yuv) {
int src_width = Abs(image_width);
int src_height = Abs(image_height);
int half_src_width = (src_width + 1) / 2;
int half_src_height = (src_height + 1) / 2;
int half_dst_width = (dst_width + 1) / 2;
int half_dst_height = (dst_height + 1) / 2;
I420Scale(
ch_org, src_width, ch_org + src_width * src_height, half_src_width,
ch_org + src_width * src_height + half_src_width * half_src_height,
half_src_width, image_width, image_height, ch_rec, dst_width,
ch_rec + dst_width * dst_height, half_dst_width,
ch_rec + dst_width * dst_height + half_dst_width * half_dst_height,
half_dst_width, dst_width, dst_height,
static_cast<libyuv::FilterMode>(filter));
} else {
TileARGBScale(ch_org, Abs(image_width) * 4, image_width, image_height,
ch_dst, dst_width * 4, dst_width, dst_height,
static_cast<libyuv::FilterMode>(filter));
}
bool rec_is_yuv = strstr(argv[fileindex_rec + cur_rec], "_P420.") != NULL;
bool rec_is_argb =
strstr(argv[fileindex_rec + cur_rec], "_ARGB.") != NULL;
if (!rec_is_yuv && !rec_is_argb) {
fprintf(stderr, "Output format unknown %s\n",
argv[fileindex_rec + cur_rec]);
continue; // Advance to next file.
}
// Convert ARGB to YUV.
if (!org_is_yuv && rec_is_yuv) {
int half_width = (dst_width + 1) / 2;
int half_height = (dst_height + 1) / 2;
libyuv::ARGBToI420(
ch_dst, dst_width * 4, ch_rec, dst_width,
ch_rec + dst_width * dst_height, half_width,
ch_rec + dst_width * dst_height + half_width * half_height,
half_width, dst_width, dst_height);
}
// Output YUV or ARGB frame.
if (rec_is_yuv) {
size_t bytes_rec =
fwrite(ch_rec, sizeof(uint8), static_cast<size_t>(total_size),
file_rec[cur_rec]);
if (bytes_rec < static_cast<size_t>(total_size))
break;
} else {
size_t bytes_rec =
fwrite(ch_dst, sizeof(uint8), static_cast<size_t>(dst_size),
file_rec[cur_rec]);
if (bytes_rec < static_cast<size_t>(dst_size))
break;
}
if (verbose) {
printf("%5d", number_of_frames);
}
if (verbose) {
printf("\t%s", argv[fileindex_rec + cur_rec]);
printf("\n");
}
}
}
fclose(file_org);
for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
fclose(file_rec[cur_rec]);
}
delete[] ch_org;
delete[] ch_dst;
delete[] ch_rec;
delete[] file_rec;
return 0;
}