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46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
--- utils/common/media-info.cpp.orig 2020-05-21 11:22:05 UTC
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+++ utils/common/media-info.cpp
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@@ -24,6 +24,10 @@
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#include <iostream>
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#include <fstream>
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#include <media-info.h>
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+#ifndef __linux__
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+#include <linux/videodev2.h>
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+#include <fcntl.h>
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+#endif
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static std::string num2s(unsigned num, bool is_hex = true)
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{
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@@ -61,7 +65,7 @@ media_type mi_media_detect_type(const char *device)
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if (stat(device, &sb) == -1)
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return MEDIA_TYPE_CANT_STAT;
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-
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+#ifdef __linux__
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std::string uevent_path("/sys/dev/char/");
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uevent_path += num2s(major(sb.st_rdev), false) + ":" +
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@@ -97,6 +101,23 @@ media_type mi_media_detect_type(const char *device)
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}
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uevent_file.close();
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+#else // Not Linux
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+ int fd = open(device, O_RDONLY);
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+ if (fd >= 0) {
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+ struct v4l2_capability caps;
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+ int error = ioctl(fd, VIDIOC_QUERYCAP, &caps);
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+ close(fd);
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+ if (error == 0) {
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+ if (caps.device_caps & V4L2_CAP_VIDEO_CAPTURE) {
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+ return MEDIA_TYPE_VIDEO;
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+ } else if (caps.device_caps & V4L2_CAP_VBI_CAPTURE) {
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+ return MEDIA_TYPE_VBI;
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+ } else if (caps.device_caps & V4L2_CAP_RADIO) {
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+ return MEDIA_TYPE_RADIO;
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+ }
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+ }
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+ }
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+#endif
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return MEDIA_TYPE_UNKNOWN;
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}
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