diff options
Diffstat (limited to 'swaygrab/main.c')
| -rw-r--r-- | swaygrab/main.c | 112 |
1 files changed, 102 insertions, 10 deletions
diff --git a/swaygrab/main.c b/swaygrab/main.c index c05f62cd..2c169017 100644 --- a/swaygrab/main.c +++ b/swaygrab/main.c @@ -4,6 +4,7 @@ #include <getopt.h> #include <unistd.h> #include <math.h> +#include <time.h> #include "log.h" #include "ipc-client.h" @@ -21,19 +22,28 @@ int numlen(int n) { return 1; } -void grab_and_apply_magick(const char *file, const char *output, int socketfd) { +void grab_and_apply_magick(const char *file, const char *output, + int socketfd, int raw) { uint32_t len = strlen(output); char *pixels = ipc_single_command(socketfd, IPC_SWAY_GET_PIXELS, output, &len); uint32_t *u32pixels = (uint32_t *)(pixels + 1); uint32_t width = u32pixels[0]; uint32_t height = u32pixels[1]; + len -= 9; pixels += 9; if (width == 0 || height == 0) { sway_abort("Unknown output %s.", output); } + if (raw) { + fwrite(pixels, 1, len, stdout); + fflush(stdout); + free(pixels - 9); + return; + } + const char *fmt = "convert -depth 8 -size %dx%d+0 rgba:- -flip %s"; char *cmd = malloc(strlen(fmt) - 6 /*args*/ + numlen(width) + numlen(height) + strlen(file) + 1); @@ -43,13 +53,76 @@ void grab_and_apply_magick(const char *file, const char *output, int socketfd) { fwrite(pixels, 1, len, f); fflush(f); fclose(f); - free(pixels); + free(pixels - 9); + free(cmd); +} + +void grab_and_apply_movie_magic(const char *file, const char *output, + int socketfd, int raw, int framerate) { + if (raw) { + sway_log(L_ERROR, "Raw capture data is not yet supported. Proceeding with ffmpeg normally."); + } + + uint32_t len = strlen(output); + char *pixels = ipc_single_command(socketfd, + IPC_SWAY_GET_PIXELS, output, &len); + uint32_t *u32pixels = (uint32_t *)(pixels + 1); + uint32_t width = u32pixels[0]; + uint32_t height = u32pixels[1]; + pixels += 9; + + if (width == 0 || height == 0) { + sway_abort("Unknown output %s.", output); + } + + const char *fmt = "ffmpeg -f rawvideo -framerate %d " + "-video_size %dx%d -pixel_format argb " + "-i pipe:0 -r %d -vf vflip %s"; + char *cmd = malloc(strlen(fmt) - 8 /*args*/ + + numlen(width) + numlen(height) + numlen(framerate) * 2 + + strlen(file) + 1); + sprintf(cmd, fmt, framerate, width, height, framerate, file); + + long ns = (long)(1000000000 * (1.0 / framerate)); + struct timespec start, finish, ts; + ts.tv_sec = 0; + + FILE *f = popen(cmd, "w"); + fwrite(pixels, 1, len, f); + free(pixels - 9); + int sleep = 0; + while (sleep != -1) { + clock_gettime(CLOCK_MONOTONIC, &start); + len = strlen(output); + pixels = ipc_single_command(socketfd, + IPC_SWAY_GET_PIXELS, output, &len); + pixels += 9; + len -= 9; + + fwrite(pixels, 1, len, f); + + clock_gettime(CLOCK_MONOTONIC, &finish); + ts.tv_nsec = ns; + double fts = (double)finish.tv_sec + 1.0e-9*finish.tv_nsec; + double sts = (double)start.tv_sec + 1.0e-9*start.tv_nsec; + long diff = (fts - sts) * 1000000000; + sway_log(L_INFO, "%f %f %ld", sts, fts, diff); + ts.tv_nsec = ns - diff; + if (ts.tv_nsec < 0) { + ts.tv_nsec = 0; + } + sleep = nanosleep(&ts, NULL); + } + fflush(f); + + fclose(f); free(cmd); } int main(int argc, char **argv) { - static int capture = 0; + static int capture = 0, raw = 0; char *socket_path = NULL; + int framerate = 30; init_log(L_INFO); @@ -57,13 +130,15 @@ int main(int argc, char **argv) { {"capture", no_argument, &capture, 'c'}, {"version", no_argument, NULL, 'v'}, {"socket", required_argument, NULL, 's'}, + {"raw", no_argument, &raw, 'r'}, + {"rate", required_argument, NULL, 'R'}, {0, 0, 0, 0} }; int c; while (1) { int option_index = 0; - c = getopt_long(argc, argv, "cvs:", long_options, &option_index); + c = getopt_long(argc, argv, "cvs:r", long_options, &option_index); if (c == -1) { break; } @@ -73,6 +148,15 @@ int main(int argc, char **argv) { case 's': // Socket socket_path = strdup(optarg); break; + case 'r': + raw = 1; + break; + case 'c': + capture = 1; + break; + case 'R': // Frame rate + framerate = atoi(optarg); + break; case 'v': #if defined SWAY_GIT_VERSION && defined SWAY_GIT_BRANCH && defined SWAY_VERSION_DATE fprintf(stdout, "sway version %s (%s, branch \"%s\")\n", SWAY_GIT_VERSION, SWAY_VERSION_DATE, SWAY_GIT_BRANCH); @@ -91,19 +175,27 @@ int main(int argc, char **argv) { } } - if (optind >= argc - 1) { - sway_abort("Expected output and file on command line. See `man swaygrab`"); + char *file, *output; + if (raw) { + if (optind >= argc) { + sway_abort("Invalid usage. See `man swaygrab` %d %d", argc, optind); + } + output = argv[optind]; + } else { + if (optind >= argc - 1) { + sway_abort("Invalid usage. See `man swaygrab`"); + } + file = argv[optind + 1]; + output = argv[optind]; } - char *file = argv[optind + 1]; - char *output = argv[optind]; int socketfd = ipc_open_socket(socket_path); free(socket_path); if (!capture) { - grab_and_apply_magick(file, output, socketfd); + grab_and_apply_magick(file, output, socketfd, raw); } else { - sway_abort("Capture is not yet supported"); + grab_and_apply_movie_magic(file, output, socketfd, raw, framerate); } close(socketfd); |