#include "httpd.h"
#include "timebase.h"
+using namespace std;
+
class QOpenGLContext;
class QSurface;
VA_RC_VCM,
VA_RC_NONE,
};
-static unsigned long long current_frame_encoding = 0;
static unsigned long long current_frame_display = 0;
static unsigned long long current_IDR_display = 0;
static unsigned int current_frame_num = 0;
free(packedslice_buffer);
}
-static int render_slice(void)
+static int render_slice(int encoding_frame_num)
{
VABufferID slice_param_buf;
VAStatus va_status;
slice_param.num_macroblocks = frame_width_mbaligned * frame_height_mbaligned/(16*16); /* Measured by MB */
slice_param.slice_type = (current_frame_type == FRAME_IDR)?2:current_frame_type;
if (current_frame_type == FRAME_IDR) {
- if (current_frame_encoding != 0)
+ if (encoding_frame_num != 0)
++slice_param.idr_pic_id;
} else if (current_frame_type == FRAME_P) {
int refpiclist0_max = h264_maxref & 0xffff;
// Encode and add all audio frames up to and including the pts of this video frame.
for ( ;; ) {
int64_t audio_pts;
- std::vector<float> audio;
+ vector<float> audio;
{
unique_lock<mutex> lock(frame_queue_mutex);
frame_queue_nonempty.wait(lock, [this]{ return copy_thread_should_quit || !pending_audio_frames.empty(); });
// this is weird. but it seems to put a new frame onto the queue
void H264Encoder::storage_task_enqueue(storage_task task)
{
- std::unique_lock<std::mutex> lock(storage_task_queue_mutex);
+ unique_lock<mutex> lock(storage_task_queue_mutex);
storage_task_queue.push(move(task));
srcsurface_status[task.display_order % SURFACE_NUM] = SRC_SURFACE_IN_ENCODING;
storage_task_queue_changed.notify_all();
storage_task current;
{
// wait until there's an encoded frame
- std::unique_lock<std::mutex> lock(storage_task_queue_mutex);
+ unique_lock<mutex> lock(storage_task_queue_mutex);
storage_task_queue_changed.wait(lock, [this]{ return storage_thread_should_quit || !storage_task_queue.empty(); });
if (storage_thread_should_quit) return;
current = move(storage_task_queue.front());
save_codeddata(move(current));
{
- std::unique_lock<std::mutex> lock(storage_task_queue_mutex);
+ unique_lock<mutex> lock(storage_task_queue_mutex);
srcsurface_status[current.display_order % SURFACE_NUM] = SRC_SURFACE_FREE;
storage_task_queue_changed.notify_all();
}
frame_width_mbaligned = (frame_width + 15) & (~15);
frame_height_mbaligned = (frame_height + 15) & (~15);
frame_bitrate = 15000000; // / 60;
- current_frame_encoding = 0;
//print_input();
memset(&pic_param, 0, sizeof(pic_param));
memset(&slice_param, 0, sizeof(slice_param));
- storage_thread = std::thread(&H264Encoder::storage_task_thread, this);
+ storage_thread = thread(&H264Encoder::storage_task_thread, this);
- copy_thread = std::thread([this]{
+ copy_thread = thread([this]{
//SDL_GL_MakeCurrent(window, context);
QOpenGLContext *context = create_context(this->surface);
eglBindAPI(EGL_OPENGL_API);
{
{
// Wait until this frame slot is done encoding.
- std::unique_lock<std::mutex> lock(storage_task_queue_mutex);
+ unique_lock<mutex> lock(storage_task_queue_mutex);
storage_task_queue_changed.wait(lock, [this]{ return storage_thread_should_quit || (srcsurface_status[current_storage_frame % SURFACE_NUM] == SRC_SURFACE_FREE); });
if (storage_thread_should_quit) return false;
}
return true;
}
-void H264Encoder::add_audio(int64_t pts, std::vector<float> audio)
+void H264Encoder::add_audio(int64_t pts, vector<float> audio)
{
{
unique_lock<mutex> lock(frame_queue_mutex);
frame_queue_nonempty.notify_all();
}
-void H264Encoder::end_frame(RefCountedGLsync fence, int64_t pts, const std::vector<RefCountedFrame> &input_frames)
+void H264Encoder::end_frame(RefCountedGLsync fence, int64_t pts, const vector<RefCountedFrame> &input_frames)
{
{
unique_lock<mutex> lock(frame_queue_mutex);
void H264Encoder::copy_thread_func()
{
int64_t last_dts = -1;
- for ( ;; ) {
+ for (int encoding_frame_num = 0; ; ++encoding_frame_num) {
PendingFrame frame;
int pts_lag;
- encoding2display_order(current_frame_encoding, intra_period, intra_idr_period, ip_period,
+ encoding2display_order(encoding_frame_num, intra_period, intra_idr_period, ip_period,
¤t_frame_display, ¤t_frame_type, &pts_lag);
if (current_frame_type == FRAME_IDR) {
numShortTerm = 0;
{
unique_lock<mutex> lock(frame_queue_mutex);
frame_queue_nonempty.wait(lock, [this]{ return copy_thread_should_quit || pending_video_frames.count(current_frame_display) != 0; });
- if (copy_thread_should_quit) return;
- frame = move(pending_video_frames[current_frame_display]);
- pending_video_frames.erase(current_frame_display);
- }
-
- // Wait for the GPU to be done with the frame.
- glClientWaitSync(frame.fence.get(), 0, 0);
-
- // Release back any input frames we needed to render this frame.
- frame.input_frames.clear();
-
- // Unmap the image.
- GLSurface *surf = &gl_surfaces[current_frame_display % SURFACE_NUM];
- eglDestroyImageKHR(eglGetCurrentDisplay(), surf->y_egl_image);
- eglDestroyImageKHR(eglGetCurrentDisplay(), surf->cbcr_egl_image);
- VAStatus va_status = vaReleaseBufferHandle(va_dpy, surf->surface_image.buf);
- CHECK_VASTATUS(va_status, "vaReleaseBufferHandle");
- va_status = vaDestroyImage(va_dpy, surf->surface_image.image_id);
- CHECK_VASTATUS(va_status, "vaDestroyImage");
-
- VASurfaceID surface = surf->src_surface;
-
- // Schedule the frame for encoding.
- va_status = vaBeginPicture(va_dpy, context_id, surface);
- CHECK_VASTATUS(va_status, "vaBeginPicture");
-
- if (current_frame_type == FRAME_IDR) {
- render_sequence();
- render_picture();
- if (h264_packedheader) {
- render_packedsequence();
- render_packedpicture();
+ if (copy_thread_should_quit) {
+ return;
+ } else {
+ frame = move(pending_video_frames[current_frame_display]);
+ pending_video_frames.erase(current_frame_display);
}
- } else {
- //render_sequence();
- render_picture();
}
- render_slice();
-
- va_status = vaEndPicture(va_dpy, context_id);
- CHECK_VASTATUS(va_status, "vaEndPicture");
- // Determine the pts and dts of this frame.
- int64_t pts = frame.pts;
+ // Determine the dts of this frame.
int64_t dts;
if (pts_lag == -1) {
assert(last_dts != -1);
dts = last_dts + (TIMEBASE / MAX_FPS);
} else {
- dts = pts - pts_lag;
+ dts = frame.pts - pts_lag;
}
last_dts = dts;
- // so now the data is done encoding (well, async job kicked off)...
- // we send that to the storage thread
- storage_task tmp;
- tmp.display_order = current_frame_display;
- tmp.frame_type = current_frame_type;
- tmp.pts = pts;
- tmp.dts = dts;
- storage_task_enqueue(move(tmp));
-
- update_ReferenceFrames();
- ++current_frame_encoding;
+ encode_frame(frame, encoding_frame_num, frame.pts, dts);
}
}
+
+void H264Encoder::encode_frame(H264Encoder::PendingFrame frame, int encoding_frame_num, int64_t pts, int64_t dts)
+{
+ // Wait for the GPU to be done with the frame.
+ glClientWaitSync(frame.fence.get(), 0, 0);
+
+ // Release back any input frames we needed to render this frame.
+ frame.input_frames.clear();
+
+ // Unmap the image.
+ GLSurface *surf = &gl_surfaces[current_frame_display % SURFACE_NUM];
+ eglDestroyImageKHR(eglGetCurrentDisplay(), surf->y_egl_image);
+ eglDestroyImageKHR(eglGetCurrentDisplay(), surf->cbcr_egl_image);
+ VAStatus va_status = vaReleaseBufferHandle(va_dpy, surf->surface_image.buf);
+ CHECK_VASTATUS(va_status, "vaReleaseBufferHandle");
+ va_status = vaDestroyImage(va_dpy, surf->surface_image.image_id);
+ CHECK_VASTATUS(va_status, "vaDestroyImage");
+
+ VASurfaceID surface = surf->src_surface;
+
+ // Schedule the frame for encoding.
+ va_status = vaBeginPicture(va_dpy, context_id, surface);
+ CHECK_VASTATUS(va_status, "vaBeginPicture");
+
+ if (current_frame_type == FRAME_IDR) {
+ render_sequence();
+ render_picture();
+ if (h264_packedheader) {
+ render_packedsequence();
+ render_packedpicture();
+ }
+ } else {
+ //render_sequence();
+ render_picture();
+ }
+ render_slice(encoding_frame_num);
+
+ va_status = vaEndPicture(va_dpy, context_id);
+ CHECK_VASTATUS(va_status, "vaEndPicture");
+
+ // so now the data is done encoding (well, async job kicked off)...
+ // we send that to the storage thread
+ storage_task tmp;
+ tmp.display_order = current_frame_display;
+ tmp.frame_type = current_frame_type;
+ tmp.pts = pts;
+ tmp.dts = dts;
+ storage_task_enqueue(move(tmp));
+
+ update_ReferenceFrames();
+}