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Diffstat (limited to 'media/libyuv/util/convert.cc')
| -rw-r--r-- | media/libyuv/util/convert.cc | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/media/libyuv/util/convert.cc b/media/libyuv/util/convert.cc new file mode 100644 index 000000000..5f071416d --- /dev/null +++ b/media/libyuv/util/convert.cc @@ -0,0 +1,365 @@ +/* + * 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: convert 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; +} |