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Update x11 capture module

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This commit is contained in:
dijunkun
2023-10-31 02:35:53 -07:00
parent 7d2c3dda4e
commit 821d0cd68b
8 changed files with 109 additions and 52 deletions
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39
tests/peerconnection/linux_capture.cpp
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@@ -29,6 +29,8 @@ extern "C" {
#endif
#endif
#include <chrono>
// Output YUV420P
#define OUTPUT_YUV420P 0
//'1' Use Dshow
@@ -47,6 +49,10 @@ SDL_Texture *sdlTexture = nullptr;
SDL_Renderer *sdlRenderer = nullptr;
SDL_Rect sdlRect;
unsigned char nv12_buffer[NV12_BUFFER_SIZE];
std::chrono::_V2::system_clock::time_point last_frame_time;
const int pixel_w = 1280, pixel_h = 720;
int screen_w = 1280, screen_h = 720;
bool done = false;
int YUV420ToNV12FFmpeg(unsigned char *src_buffer, int width, int height,
unsigned char *des_buffer) {
@@ -78,7 +84,7 @@ int sfp_refresh_thread(void *opaque) {
SDL_Event event;
event.type = SFM_REFRESH_EVENT;
SDL_PushEvent(&event);
SDL_Delay(40);
SDL_Delay(30);
printf("sfp_refresh_thread\n");
}
thread_exit = 0;
@@ -113,7 +119,7 @@ int main(int argc, char *argv[]) {
AVDictionary *options = NULL;
// Set some options
// grabbing frame rate
av_dict_set(&options, "framerate", "5", 0);
av_dict_set(&options, "framerate", "30", 0);
// Make the grabbed area follow the mouse
av_dict_set(&options, "follow_mouse", "centered", 0);
// Video frame size. The default is to capture the full screen
@@ -173,8 +179,7 @@ int main(int argc, char *argv[]) {
printf("Could not initialize SDL - %s\n", SDL_GetError());
return -1;
}
const int pixel_w = 1280, pixel_h = 720;
int screen_w = 1280, screen_h = 720;
// const SDL_VideoInfo *vi = SDL_GetVideoInfo();
// Half of the Desktop's width and height.
screen_w = 1280;
@@ -223,34 +228,32 @@ int main(int argc, char *argv[]) {
// SDL_WM_SetCaption("Simplest FFmpeg Grab Desktop", NULL);
// Event Loop
SDL_Event event;
printf("111111111\n");
last_frame_time = std::chrono::high_resolution_clock::now();
for (;;) {
// Wait
SDL_WaitEvent(&event);
printf("11112222\n");
if (event.type == SFM_REFRESH_EVENT) {
printf("11111113333333\n");
if (1) {
//------------------------------
if (av_read_frame(pFormatCtx, packet) >= 0) {
printf("111111444444\n");
if (packet->stream_index == videoindex) {
printf("11111155555\n");
avcodec_send_packet(pCodecCtx, packet);
got_picture = avcodec_receive_frame(pCodecCtx, pFrame);
printf("33333333\n");
// ret = avcodec_decode_video2(pCodecCtx, pFrame, &got_picture,
// packet);
if (ret < 0) {
printf("Decode Error.\n");
return -1;
}
printf("xxxxxxxxxxxxxxxxxxx\n");
if (!got_picture) {
printf("44444444444\n");
// memcpy(nv12_buffer, pFrame->data[0],
// pFrame->width * pFrame->height);
// memcpy(nv12_buffer + pFrame->width * pFrame->height,
// pFrame->data[1], pFrame->width * pFrame->height / 2);
auto now_time = std::chrono::high_resolution_clock::now();
std::chrono::duration<double> duration = now_time - last_frame_time;
auto tc = duration.count() * 1000;
printf("duration: %f\n", tc);
last_frame_time = now_time;
av_image_fill_arrays(pFrameNV12->data, pFrameNV12->linesize,
nv12_buffer, AV_PIX_FMT_NV12, pFrame->width,
@@ -291,7 +294,7 @@ int main(int argc, char *argv[]) {
#if OUTPUT_YUV420P
fclose(fp_yuv);
#endif
printf("222222222\n");
SDL_Quit();
// av_free(out_buffer);