diff options
| -rw-r--r-- | examples/dmabuf-capture.c | 97 |
1 files changed, 72 insertions, 25 deletions
diff --git a/examples/dmabuf-capture.c b/examples/dmabuf-capture.c index bad8ccac..203a1ac4 100644 --- a/examples/dmabuf-capture.c +++ b/examples/dmabuf-capture.c @@ -205,10 +205,11 @@ static void remove_output(struct wayland_output *out) { } static struct wayland_output *find_output(struct capture_context *ctx, - struct wl_output *out, uint32_t id) { + struct wl_output *out, int id) { struct wayland_output *output, *tmp; wl_list_for_each_safe(output, tmp, &ctx->output_list, link) { - if ((output->output == out) || (output->id == id)) { + if (output->output == out || (id >= 0 && output->id == (uint32_t)id) + || id == -1) { return output; } } @@ -766,16 +767,77 @@ static int init(struct capture_context *ctx) { static void uninit(struct capture_context *ctx); +static const char usage[] = "usage: dmabuf-capture [options...] <destination file path>\n" + " -o <output ID>\n" + " -t <hardware device type>\n" + " -d <device path>\n" + " -e <encoder>\n" + " -f <pixel format>\n" + " -r <bitrate in Mbps>\n" + "\n" + "Example:\n" + " dmabuf-capture -o 32 -t vaapi -d /dev/dri/renderD129 \\\n" + " -e libx264 -f nv12 -r 12 recording.mkv\n"; + int main(int argc, char *argv[]) { - int err; - struct capture_context ctx = { 0 }; - ctx.class = &((AVClass) { + struct capture_context ctx = { + .hardware_device = "/dev/dri/renderD128", + .encoder_name = "libx264", + .out_bitrate = 12, + }; + int output_id = -1; + const char *hw_device_type = "vaapi"; + const char *software_format = "nv12"; + int opt; + while ((opt = getopt(argc, argv, "ho:t:d:e:f:r:")) != -1) { + char *end; + switch (opt) { + case 'o': + output_id = strtol(optarg, &end, 10); + if (optarg[0] == '\0' || end[0] != '\0') { + fprintf(stderr, "Output ID is not an integer\n"); + return 1; + } + break; + case 't': + hw_device_type = optarg; + break; + case 'd': + ctx.hardware_device = optarg; + break; + case 'e': + ctx.encoder_name = optarg; + break; + case 'f': + software_format = optarg; + break; + case 'r': + ctx.out_bitrate = strtof(optarg, &end); + if (optarg[0] == '\0' || end[0] != '\0') { + fprintf(stderr, "Bitrate is not a floating-pointer number\n"); + return 1; + } + break; + default: + fprintf(stderr, "%s", usage); + return 1; + } + } + + if (optind >= argc) { + fprintf(stderr, "Missing destination file argument\n"); + fprintf(stderr, "%s", usage); + return 1; + } + ctx.out_filename = argv[optind]; + + ctx.class = &((AVClass){ .class_name = "dmabuf-capture", .item_name = av_default_item_name, .version = LIBAVUTIL_VERSION_INT, }); - err = init(&ctx); + int err = init(&ctx); if (err) { goto end; } @@ -786,31 +848,16 @@ int main(int argc, char *argv[]) { o->make, o->model, o->id); } - if (argc != 8) { - printf("Invalid number of arguments! Usage and example:\n" - "./dmabuf-capture <source id> <hardware device type> <device> " - "<encoder name> <pixel format> <bitrate in Mbps> <file path>\n" - "./dmabuf-capture 0 vaapi /dev/dri/renderD129 libx264 nv12 12 " - "dmabuf_recording_01.mkv\n"); - return 1; - } - - const int o_id = strtol(argv[1], NULL, 10); - o = find_output(&ctx, NULL, o_id); + o = find_output(&ctx, NULL, output_id); if (!o) { - printf("Unable to find output with ID %i!\n", o_id); + printf("Unable to find output with ID %d\n", output_id); return 1; } ctx.target_output = o->output; ctx.with_cursor = true; - ctx.hw_device_type = av_hwdevice_find_type_by_name(argv[2]); - ctx.hardware_device = argv[3]; - - ctx.encoder_name = argv[4]; - ctx.software_format = av_get_pix_fmt(argv[5]); - ctx.out_bitrate = strtof(argv[6], NULL); - ctx.out_filename = argv[7]; + ctx.hw_device_type = av_hwdevice_find_type_by_name(hw_device_type); + ctx.software_format = av_get_pix_fmt(software_format); av_dict_set(&ctx.encoder_opts, "preset", "veryfast", 0); |