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[feat] support dynamic resolution codec

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This commit is contained in:
dijunkun
2024-09-05 17:29:27 +08:00
parent 1292018f51
commit 2f72e3957e
7 changed files with 60 additions and 45 deletions
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9
src/screen_capturer/screen_capturer.h
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@@ -11,20 +11,13 @@
class ScreenCapturer {
public:
typedef struct {
int left;
int top;
int right;
int bottom;
} RECORD_DESKTOP_RECT;
typedef std::function<void(unsigned char *, int, int, int)> cb_desktop_data;
public:
virtual ~ScreenCapturer() {}
public:
virtual int Init(const RECORD_DESKTOP_RECT &rect, const int fps,
cb_desktop_data cb) = 0;
virtual int Init(const int fps, cb_desktop_data cb) = 0;
virtual int Destroy() = 0;
virtual int Start() = 0;

28
src/screen_capturer/windows/screen_capturer_wgc.cpp
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@@ -62,16 +62,12 @@ bool ScreenCapturerWgc::IsWgcSupported() {
}
}
int ScreenCapturerWgc::Init(const RECORD_DESKTOP_RECT &rect, const int fps,
cb_desktop_data cb) {
int ScreenCapturerWgc::Init(const int fps, cb_desktop_data cb) {
int error = 0;
if (_inited == true) return error;
int r = rect.right;
int b = rect.bottom;
nv12_frame_ = new unsigned char[rect.right * rect.bottom * 3 / 2];
nv12_frame_scaled_ = new unsigned char[1280 * 720 * 3 / 2];
// nv12_frame_ = new unsigned char[rect.right * rect.bottom * 3 / 2];
// nv12_frame_scaled_ = new unsigned char[1280 * 720 * 3 / 2];
_fps = fps;
@@ -175,22 +171,20 @@ void ConvertBGRAtoABGR(const uint8_t *bgra_data, uint8_t *abgr_data, int width,
void ScreenCapturerWgc::OnFrame(const WgcSession::wgc_session_frame &frame) {
if (_on_data) {
int width = 1280;
int height = 720;
// int width = 1280;
// int height = 720;
if (!nv12_frame_) {
nv12_frame_ = new unsigned char[frame.width * frame.height * 3 / 2];
}
libyuv::ARGBToNV12((const uint8_t *)frame.data, frame.width * 4,
(uint8_t *)nv12_frame_, frame.width,
(uint8_t *)(nv12_frame_ + frame.width * frame.height),
frame.width, frame.width, frame.height);
libyuv::NV12Scale(
(const uint8_t *)nv12_frame_, frame.width,
(const uint8_t *)(nv12_frame_ + frame.width * frame.height),
frame.width, frame.width, frame.height, (uint8_t *)nv12_frame_scaled_,
width, (uint8_t *)(nv12_frame_scaled_ + width * height), width, width,
height, libyuv::FilterMode::kFilterLinear);
_on_data(nv12_frame_scaled_, width * height * 3 / 2, width, height);
_on_data(nv12_frame_, frame.width * frame.height * 3 / 2, frame.width,
frame.height);
}
}

5
src/screen_capturer/windows/screen_capturer_wgc.h
View File

@@ -19,8 +19,7 @@ class ScreenCapturerWgc : public ScreenCapturer,
public:
bool IsWgcSupported();
virtual int Init(const RECORD_DESKTOP_RECT &rect, const int fps,
cb_desktop_data cb);
virtual int Init(const int fps, cb_desktop_data cb);
virtual int Destroy();
virtual int Start();
@@ -45,8 +44,6 @@ class ScreenCapturerWgc : public ScreenCapturer,
std::string _device_name;
RECORD_DESKTOP_RECT _rect;
int _fps;
cb_desktop_data _on_data = nullptr;