//#include "sysdeps.h"
#include "h264encode.h"
+#include <movit/util.h>
#include <EGL/eglplatform.h>
#include <X11/X.h>
#include <X11/Xlib.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <fcntl.h>
#include <va/va.h>
+#include <va/va_drm.h>
#include <va/va_drmcommon.h>
#include <va/va_enc_h264.h>
#include <va/va_x11.h>
+#include <algorithm>
#include <condition_variable>
#include <cstdint>
#include <map>
exit(1); \
}
+#define BUFFER_OFFSET(i) ((char *)NULL + (i))
+
//#include "loadsurface.h"
#define NAL_REF_IDC_NONE 0
#define BITSTREAM_ALLOCATE_STEPPING 4096
#define SURFACE_NUM 16 /* 16 surfaces for source YUV */
+#define MAX_NUM_REF1 16 // Seemingly a hardware-fixed value, not related to SURFACE_NUM
+#define MAX_NUM_REF2 32 // Seemingly a hardware-fixed value, not related to SURFACE_NUM
static constexpr unsigned int MaxFrameNum = (2<<16);
static constexpr unsigned int MaxPicOrderCntLsb = (2<<8);
class H264EncoderImpl {
public:
- H264EncoderImpl(QSurface *surface, int width, int height, HTTPD *httpd);
+ H264EncoderImpl(QSurface *surface, const string &va_display, int width, int height, HTTPD *httpd);
~H264EncoderImpl();
- void add_audio(int64_t pts, std::vector<float> audio); // Needs to come before end_frame() of same pts.
+ void add_audio(int64_t pts, vector<float> audio);
bool begin_frame(GLuint *y_tex, GLuint *cbcr_tex);
- void end_frame(RefCountedGLsync fence, int64_t pts, const std::vector<RefCountedFrame> &input_frames);
+ void end_frame(RefCountedGLsync fence, int64_t pts, const vector<RefCountedFrame> &input_frames);
+ void shutdown();
private:
struct storage_task {
unsigned long long display_order;
int frame_type;
- std::vector<float> audio;
+ vector<float> audio;
int64_t pts, dts;
};
struct PendingFrame {
RefCountedGLsync fence;
- std::vector<RefCountedFrame> input_frames;
+ vector<RefCountedFrame> input_frames;
int64_t pts;
};
void slice_header(bitstream *bs);
int build_packed_seq_buffer(unsigned char **header_buffer);
int build_packed_slice_buffer(unsigned char **header_buffer);
- int init_va();
+ int init_va(const string &va_display);
int deinit_va();
- VADisplay va_open_display(void);
+ VADisplay va_open_display(const string &va_display);
void va_close_display(VADisplay va_dpy);
int setup_encode();
int release_encode();
void update_ReferenceFrames(int frame_type);
int update_RefPicList(int frame_type);
- std::thread encode_thread, storage_thread;
+ bool is_shutdown = false;
+ bool use_zerocopy;
+ int drm_fd = -1;
+
+ thread encode_thread, storage_thread;
- std::mutex storage_task_queue_mutex;
- std::condition_variable storage_task_queue_changed;
+ mutex storage_task_queue_mutex;
+ condition_variable storage_task_queue_changed;
int srcsurface_status[SURFACE_NUM]; // protected by storage_task_queue_mutex
- std::queue<storage_task> storage_task_queue; // protected by storage_task_queue_mutex
+ queue<storage_task> storage_task_queue; // protected by storage_task_queue_mutex
bool storage_thread_should_quit = false; // protected by storage_task_queue_mutex
- std::mutex frame_queue_mutex;
- std::condition_variable frame_queue_nonempty;
+ mutex frame_queue_mutex;
+ condition_variable frame_queue_nonempty;
bool encode_thread_should_quit = false; // under frame_queue_mutex
int current_storage_frame;
- std::map<int, PendingFrame> pending_video_frames; // under frame_queue_mutex
- std::map<int64_t, std::vector<float>> pending_audio_frames; // under frame_queue_mutex
+ map<int, PendingFrame> pending_video_frames; // under frame_queue_mutex
+ map<int64_t, vector<float>> pending_audio_frames; // under frame_queue_mutex
QSurface *surface;
AVCodecContext *context_audio;
HTTPD *httpd;
- Display *x11_display;
- Window x11_window;
+ Display *x11_display = nullptr;
// Encoder parameters
VADisplay va_dpy;
VAImage surface_image;
GLuint y_tex, cbcr_tex;
+
+ // Only if use_zerocopy == true.
EGLImage y_egl_image, cbcr_egl_image;
+
+ // Only if use_zerocopy == false.
+ GLuint pbo;
+ uint8_t *y_ptr, *cbcr_ptr;
+ size_t y_offset, cbcr_offset;
};
GLSurface gl_surfaces[SURFACE_NUM];
VAEncPictureParameterBufferH264 pic_param;
VAEncSliceParameterBufferH264 slice_param;
VAPictureH264 CurrentCurrPic;
- VAPictureH264 ReferenceFrames[16], RefPicList0_P[32], RefPicList0_B[32], RefPicList1_B[32];
+ VAPictureH264 ReferenceFrames[MAX_NUM_REF1], RefPicList0_P[MAX_NUM_REF2], RefPicList0_B[MAX_NUM_REF2], RefPicList1_B[MAX_NUM_REF2];
// Static quality settings.
static constexpr unsigned int frame_bitrate = 15000000 / 60; // Doesn't really matter; only initial_qp does.
int frame_height_mbaligned;
};
-
// Supposedly vaRenderPicture() is supposed to destroy the buffer implicitly,
// but if we don't delete it here, we get leaks. The GStreamer implementation
// does the same.
bs->buffer[pos] = (bs->buffer[pos] << size_in_bits | val);
} else {
size_in_bits -= bit_left;
- bs->buffer[pos] = (bs->buffer[pos] << bit_left) | (val >> size_in_bits);
+ if (bit_left >= 32) {
+ bs->buffer[pos] = (val >> size_in_bits);
+ } else {
+ bs->buffer[pos] = (bs->buffer[pos] << bit_left) | (val >> size_in_bits);
+ }
bs->buffer[pos] = va_swap32(bs->buffer[pos]);
if (pos + 1 == bs->max_size_in_dword) {
}
}
-#if 0
-static int process_cmdline(int argc, char *argv[])
-{
- char c;
- const struct option long_opts[] = {
- {"help", no_argument, NULL, 0 },
- {"bitrate", required_argument, NULL, 1 },
- {"minqp", required_argument, NULL, 2 },
- {"initialqp", required_argument, NULL, 3 },
- {"intra_period", required_argument, NULL, 4 },
- {"idr_period", required_argument, NULL, 5 },
- {"ip_period", required_argument, NULL, 6 },
- {"rcmode", required_argument, NULL, 7 },
- {"srcyuv", required_argument, NULL, 9 },
- {"recyuv", required_argument, NULL, 10 },
- {"fourcc", required_argument, NULL, 11 },
- {"syncmode", no_argument, NULL, 12 },
- {"enablePSNR", no_argument, NULL, 13 },
- {"prit", required_argument, NULL, 14 },
- {"priv", required_argument, NULL, 15 },
- {"framecount", required_argument, NULL, 16 },
- {"entropy", required_argument, NULL, 17 },
- {"profile", required_argument, NULL, 18 },
- {NULL, no_argument, NULL, 0 }};
- int long_index;
-
- while ((c =getopt_long_only(argc, argv, "w:h:n:f:o:?", long_opts, &long_index)) != EOF) {
- switch (c) {
- case 'w':
- frame_width = atoi(optarg);
- break;
- case 'h':
- frame_height = atoi(optarg);
- break;
- case 'n':
- case 'f':
- frame_rate = atoi(optarg);
- break;
- case 'o':
- coded_fn = strdup(optarg);
- break;
- case 0:
- print_help();
- exit(0);
- case 1:
- frame_bitrate = atoi(optarg);
- break;
- case 2:
- minimal_qp = atoi(optarg);
- break;
- case 3:
- initial_qp = atoi(optarg);
- break;
- case 4:
- intra_period = atoi(optarg);
- break;
- case 5:
- intra_idr_period = atoi(optarg);
- break;
- case 6:
- ip_period = atoi(optarg);
- break;
- case 7:
- rc_mode = string_to_rc(optarg);
- if (rc_mode < 0) {
- print_help();
- exit(1);
- }
- break;
- case 9:
- srcyuv_fn = strdup(optarg);
- break;
- case 11:
- srcyuv_fourcc = string_to_fourcc(optarg);
- if (srcyuv_fourcc <= 0) {
- print_help();
- exit(1);
- }
- break;
- case 13:
- calc_psnr = 1;
- break;
- case 17:
- h264_entropy_mode = atoi(optarg) ? 1: 0;
- break;
- case 18:
- if (strncmp(optarg, "BP", 2) == 0)
- h264_profile = VAProfileH264Baseline;
- else if (strncmp(optarg, "MP", 2) == 0)
- h264_profile = VAProfileH264Main;
- else if (strncmp(optarg, "HP", 2) == 0)
- h264_profile = VAProfileH264High;
- else
- h264_profile = (VAProfile)0;
- break;
- case ':':
- case '?':
- print_help();
- exit(0);
- }
- }
-
- if (ip_period < 1) {
- printf(" ip_period must be greater than 0\n");
- exit(0);
- }
- if (intra_period != 1 && intra_period % ip_period != 0) {
- printf(" intra_period must be a multiplier of ip_period\n");
- exit(0);
- }
- if (intra_period != 0 && intra_idr_period % intra_period != 0) {
- printf(" intra_idr_period must be a multiplier of intra_period\n");
- exit(0);
- }
-
- if (frame_bitrate == 0)
- frame_bitrate = frame_width * frame_height * 12 * MAX_FPS / 50;
-
- if (coded_fn == NULL) {
- struct stat buf;
- if (stat("/tmp", &buf) == 0)
- coded_fn = strdup("/tmp/test.264");
- else if (stat("/sdcard", &buf) == 0)
- coded_fn = strdup("/sdcard/test.264");
- else
- coded_fn = strdup("./test.264");
- }
-
-
- frame_width_mbaligned = (frame_width + 15) & (~15);
- frame_height_mbaligned = (frame_height + 15) & (~15);
- if (frame_width != frame_width_mbaligned ||
- frame_height != frame_height_mbaligned) {
- printf("Source frame is %dx%d and will code clip to %dx%d with crop\n",
- frame_width, frame_height,
- frame_width_mbaligned, frame_height_mbaligned
- );
- }
-
- return 0;
-}
-#endif
-
-VADisplay H264EncoderImpl::va_open_display(void)
+VADisplay H264EncoderImpl::va_open_display(const string &va_display)
{
- x11_display = XOpenDisplay(NULL);
- if (!x11_display) {
- fprintf(stderr, "error: can't connect to X server!\n");
- return NULL;
- }
- return vaGetDisplay(x11_display);
+ if (va_display.empty()) {
+ x11_display = XOpenDisplay(NULL);
+ if (!x11_display) {
+ fprintf(stderr, "error: can't connect to X server!\n");
+ return NULL;
+ }
+ use_zerocopy = true;
+ return vaGetDisplay(x11_display);
+ } else if (va_display[0] != '/') {
+ x11_display = XOpenDisplay(va_display.c_str());
+ if (!x11_display) {
+ fprintf(stderr, "error: can't connect to X server!\n");
+ return NULL;
+ }
+ use_zerocopy = true;
+ return vaGetDisplay(x11_display);
+ } else {
+ drm_fd = open(va_display.c_str(), O_RDWR);
+ if (drm_fd == -1) {
+ perror(va_display.c_str());
+ return NULL;
+ }
+ use_zerocopy = false;
+ return vaGetDisplayDRM(drm_fd);
+ }
}
void H264EncoderImpl::va_close_display(VADisplay va_dpy)
{
- if (!x11_display)
- return;
-
- if (x11_window) {
- XUnmapWindow(x11_display, x11_window);
- XDestroyWindow(x11_display, x11_window);
- x11_window = None;
- }
- XCloseDisplay(x11_display);
- x11_display = NULL;
+ if (x11_display) {
+ XCloseDisplay(x11_display);
+ x11_display = nullptr;
+ }
+ if (drm_fd != -1) {
+ close(drm_fd);
+ }
}
-int H264EncoderImpl::init_va()
+int H264EncoderImpl::init_va(const string &va_display)
{
VAProfile profile_list[]={VAProfileH264High, VAProfileH264Main, VAProfileH264Baseline, VAProfileH264ConstrainedBaseline};
VAEntrypoint *entrypoints;
VAStatus va_status;
unsigned int i;
- va_dpy = va_open_display();
+ va_dpy = va_open_display(va_display);
va_status = vaInitialize(va_dpy, &major_ver, &minor_ver);
CHECK_VASTATUS(va_status, "vaInitialize");
}
if (support_encode == 0) {
- printf("Can't find VAEntrypointEncSlice for H264 profiles\n");
+ printf("Can't find VAEntrypointEncSlice for H264 profiles. If you are using a non-Intel GPU\n");
+ printf("but have one in your system, try launching Nageru with --va-display /dev/dri/renderD128\n");
+ printf("to use VA-API against DRM instead of X11.\n");
exit(1);
} else {
switch (h264_profile) {
for (i = 0; i < SURFACE_NUM; i++) {
glGenTextures(1, &gl_surfaces[i].y_tex);
glGenTextures(1, &gl_surfaces[i].cbcr_tex);
+
+ if (!use_zerocopy) {
+ // Create Y image.
+ glBindTexture(GL_TEXTURE_2D, gl_surfaces[i].y_tex);
+ glTexStorage2D(GL_TEXTURE_2D, 1, GL_R8, frame_width, frame_height);
+
+ // Create CbCr image.
+ glBindTexture(GL_TEXTURE_2D, gl_surfaces[i].cbcr_tex);
+ glTexStorage2D(GL_TEXTURE_2D, 1, GL_RG8, frame_width / 2, frame_height / 2);
+
+ // Generate a PBO to read into. It doesn't necessarily fit 1:1 with the VA-API
+ // buffers, due to potentially differing pitch.
+ glGenBuffers(1, &gl_surfaces[i].pbo);
+ glBindBuffer(GL_PIXEL_PACK_BUFFER, gl_surfaces[i].pbo);
+ glBufferStorage(GL_PIXEL_PACK_BUFFER, frame_width * frame_height * 2, nullptr, GL_MAP_READ_BIT | GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT);
+ uint8_t *ptr = (uint8_t *)glMapBufferRange(GL_PIXEL_PACK_BUFFER, 0, frame_width * frame_height * 2, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT);
+ gl_surfaces[i].y_offset = 0;
+ gl_surfaces[i].cbcr_offset = frame_width * frame_height;
+ gl_surfaces[i].y_ptr = ptr + gl_surfaces[i].y_offset;
+ gl_surfaces[i].cbcr_ptr = ptr + gl_surfaces[i].cbcr_offset;
+ glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
+ }
}
for (i = 0; i < SURFACE_NUM; i++) {
return 0;
}
-
-
-#define partition(ref, field, key, ascending) \
- while (i <= j) { \
- if (ascending) { \
- while (ref[i].field < key) \
- i++; \
- while (ref[j].field > key) \
- j--; \
- } else { \
- while (ref[i].field > key) \
- i++; \
- while (ref[j].field < key) \
- j--; \
- } \
- if (i <= j) { \
- tmp = ref[i]; \
- ref[i] = ref[j]; \
- ref[j] = tmp; \
- i++; \
- j--; \
- } \
- } \
-
-static void sort_one(VAPictureH264 ref[], int left, int right,
- int ascending, int frame_idx)
-{
- int i = left, j = right;
- unsigned int key;
- VAPictureH264 tmp;
-
- if (frame_idx) {
- key = ref[(left + right) / 2].frame_idx;
- partition(ref, frame_idx, key, ascending);
- } else {
- key = ref[(left + right) / 2].TopFieldOrderCnt;
- partition(ref, TopFieldOrderCnt, (signed int)key, ascending);
- }
-
- /* recursion */
- if (left < j)
- sort_one(ref, left, j, ascending, frame_idx);
-
- if (i < right)
- sort_one(ref, i, right, ascending, frame_idx);
-}
-
-static void sort_two(VAPictureH264 ref[], int left, int right, unsigned int key, unsigned int frame_idx,
- int partition_ascending, int list0_ascending, int list1_ascending)
+// Given a list like 1 9 3 0 2 8 4 and a pivot element 3, will produce
+//
+// 2 1 0 [3] 4 8 9
+template<class T, class C>
+static void sort_two(T *begin, T *end, const T &pivot, const C &less_than)
{
- int i = left, j = right;
- VAPictureH264 tmp;
-
- if (frame_idx) {
- partition(ref, frame_idx, key, partition_ascending);
- } else {
- partition(ref, TopFieldOrderCnt, (signed int)key, partition_ascending);
- }
-
-
- sort_one(ref, left, i-1, list0_ascending, frame_idx);
- sort_one(ref, j+1, right, list1_ascending, frame_idx);
+ T *middle = partition(begin, end, [&](const T &elem) { return less_than(elem, pivot); });
+ sort(begin, middle, [&](const T &a, const T &b) { return less_than(b, a); });
+ sort(middle, end, less_than);
}
void H264EncoderImpl::update_ReferenceFrames(int frame_type)
int H264EncoderImpl::update_RefPicList(int frame_type)
{
- unsigned int current_poc = CurrentCurrPic.TopFieldOrderCnt;
+ const auto descending_by_frame_idx = [](const VAPictureH264 &a, const VAPictureH264 &b) {
+ return a.frame_idx > b.frame_idx;
+ };
+ const auto ascending_by_top_field_order_cnt = [](const VAPictureH264 &a, const VAPictureH264 &b) {
+ return a.TopFieldOrderCnt < b.TopFieldOrderCnt;
+ };
+ const auto descending_by_top_field_order_cnt = [](const VAPictureH264 &a, const VAPictureH264 &b) {
+ return a.TopFieldOrderCnt > b.TopFieldOrderCnt;
+ };
if (frame_type == FRAME_P) {
memcpy(RefPicList0_P, ReferenceFrames, numShortTerm * sizeof(VAPictureH264));
- sort_one(RefPicList0_P, 0, numShortTerm-1, 0, 1);
- }
-
- if (frame_type == FRAME_B) {
+ sort(&RefPicList0_P[0], &RefPicList0_P[numShortTerm], descending_by_frame_idx);
+ } else if (frame_type == FRAME_B) {
memcpy(RefPicList0_B, ReferenceFrames, numShortTerm * sizeof(VAPictureH264));
- sort_two(RefPicList0_B, 0, numShortTerm-1, current_poc, 0,
- 1, 0, 1);
+ sort_two(&RefPicList0_B[0], &RefPicList0_B[numShortTerm], CurrentCurrPic, ascending_by_top_field_order_cnt);
memcpy(RefPicList1_B, ReferenceFrames, numShortTerm * sizeof(VAPictureH264));
- sort_two(RefPicList1_B, 0, numShortTerm-1, current_poc, 0,
- 0, 1, 0);
+ sort_two(&RefPicList1_B[0], &RefPicList1_B[numShortTerm], CurrentCurrPic, descending_by_top_field_order_cnt);
}
return 0;
CurrentCurrPic = pic_param.CurrPic;
memcpy(pic_param.ReferenceFrames, ReferenceFrames, numShortTerm*sizeof(VAPictureH264));
- for (i = numShortTerm; i < SURFACE_NUM; i++) {
+ for (i = numShortTerm; i < MAX_NUM_REF1; i++) {
pic_param.ReferenceFrames[i].picture_id = VA_INVALID_SURFACE;
pic_param.ReferenceFrames[i].flags = VA_PICTURE_H264_INVALID;
}
int refpiclist0_max = h264_maxref & 0xffff;
memcpy(slice_param.RefPicList0, RefPicList0_P, refpiclist0_max*sizeof(VAPictureH264));
- for (i = refpiclist0_max; i < 32; i++) {
+ for (i = refpiclist0_max; i < MAX_NUM_REF2; i++) {
slice_param.RefPicList0[i].picture_id = VA_INVALID_SURFACE;
slice_param.RefPicList0[i].flags = VA_PICTURE_H264_INVALID;
}
int refpiclist1_max = (h264_maxref >> 16) & 0xffff;
memcpy(slice_param.RefPicList0, RefPicList0_B, refpiclist0_max*sizeof(VAPictureH264));
- for (i = refpiclist0_max; i < 32; i++) {
+ for (i = refpiclist0_max; i < MAX_NUM_REF2; i++) {
slice_param.RefPicList0[i].picture_id = VA_INVALID_SURFACE;
slice_param.RefPicList0[i].flags = VA_PICTURE_H264_INVALID;
}
memcpy(slice_param.RefPicList1, RefPicList1_B, refpiclist1_max*sizeof(VAPictureH264));
- for (i = refpiclist1_max; i < 32; i++) {
+ for (i = refpiclist1_max; i < MAX_NUM_REF2; i++) {
slice_param.RefPicList1[i].picture_id = VA_INVALID_SURFACE;
slice_param.RefPicList1[i].flags = VA_PICTURE_H264_INVALID;
}
string data;
- const int64_t global_delay = (ip_period - 1) * (TIMEBASE / MAX_FPS); // So we never get negative dts.
+ const int64_t global_delay = int64_t(ip_period - 1) * (TIMEBASE / MAX_FPS); // So we never get negative dts.
va_status = vaMapBuffer(va_dpy, gl_surfaces[task.display_order % SURFACE_NUM].coded_buf, (void **)(&buf_list));
CHECK_VASTATUS(va_status, "vaMapBuffer");
pending_audio_frames.erase(it);
}
- AVFrame *frame = avcodec_alloc_frame();
+ AVFrame *frame = av_frame_alloc();
frame->nb_samples = audio.size() / 2;
frame->format = AV_SAMPLE_FMT_S32;
frame->channel_layout = AV_CH_LAYOUT_STEREO;
httpd->add_packet(pkt, audio_pts + global_delay, audio_pts + global_delay);
}
// TODO: Delayed frames.
- avcodec_free_frame(&frame);
+ av_frame_unref(frame);
av_free_packet(&pkt);
if (audio_pts == task.pts) break;
}
{
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();
}
int H264EncoderImpl::release_encode()
{
- int i;
-
- for (i = 0; i < SURFACE_NUM; i++) {
- vaDestroyBuffer(va_dpy, gl_surfaces[i].coded_buf);
- vaDestroySurfaces(va_dpy, &gl_surfaces[i].src_surface, 1);
- vaDestroySurfaces(va_dpy, &gl_surfaces[i].ref_surface, 1);
- }
-
- vaDestroyContext(va_dpy, context_id);
- vaDestroyConfig(va_dpy, config_id);
+ for (unsigned i = 0; i < SURFACE_NUM; i++) {
+ vaDestroyBuffer(va_dpy, gl_surfaces[i].coded_buf);
+ vaDestroySurfaces(va_dpy, &gl_surfaces[i].src_surface, 1);
+ vaDestroySurfaces(va_dpy, &gl_surfaces[i].ref_surface, 1);
+
+ if (!use_zerocopy) {
+ glBindBuffer(GL_PIXEL_PACK_BUFFER, gl_surfaces[i].pbo);
+ glUnmapBuffer(GL_PIXEL_PACK_BUFFER);
+ glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
+ glDeleteBuffers(1, &gl_surfaces[i].pbo);
+ }
+ glDeleteTextures(1, &gl_surfaces[i].y_tex);
+ glDeleteTextures(1, &gl_surfaces[i].cbcr_tex);
+ }
- return 0;
+ vaDestroyContext(va_dpy, context_id);
+ vaDestroyConfig(va_dpy, config_id);
+
+ return 0;
}
int H264EncoderImpl::deinit_va()
}
-H264EncoderImpl::H264EncoderImpl(QSurface *surface, int width, int height, HTTPD *httpd)
+H264EncoderImpl::H264EncoderImpl(QSurface *surface, const string &va_display, int width, int height, HTTPD *httpd)
: current_storage_frame(0), surface(surface), httpd(httpd)
{
AVCodec *codec_audio = avcodec_find_encoder(AUDIO_OUTPUT_CODEC);
//print_input();
- init_va();
+ init_va(va_display);
setup_encode();
// No frames are ready yet.
H264EncoderImpl::~H264EncoderImpl()
{
- {
- unique_lock<mutex> lock(frame_queue_mutex);
- encode_thread_should_quit = true;
- frame_queue_nonempty.notify_all();
- }
- encode_thread.join();
- {
- unique_lock<mutex> lock(storage_task_queue_mutex);
- storage_thread_should_quit = true;
- frame_queue_nonempty.notify_all();
- storage_task_queue_changed.notify_all();
- }
- storage_thread.join();
-
- release_encode();
- deinit_va();
+ shutdown();
}
bool H264EncoderImpl::begin_frame(GLuint *y_tex, GLuint *cbcr_tex)
{
+ assert(!is_shutdown);
{
// Wait until this frame slot is done encoding.
unique_lock<mutex> lock(storage_task_queue_mutex);
+ if (srcsurface_status[current_storage_frame % SURFACE_NUM] != SRC_SURFACE_FREE) {
+ fprintf(stderr, "Warning: Slot %d (for frame %d) is still encoding, rendering has to wait for H.264 encoder\n",
+ current_storage_frame % SURFACE_NUM, current_storage_frame);
+ }
storage_task_queue_changed.wait(lock, [this]{ return storage_thread_should_quit || (srcsurface_status[current_storage_frame % SURFACE_NUM] == SRC_SURFACE_FREE); });
+ srcsurface_status[current_storage_frame % SURFACE_NUM] = SRC_SURFACE_IN_ENCODING;
if (storage_thread_should_quit) return false;
}
*y_tex = surf->y_tex;
*cbcr_tex = surf->cbcr_tex;
- VASurfaceID surface = surf->src_surface;
- VAStatus va_status = vaDeriveImage(va_dpy, surface, &surf->surface_image);
- CHECK_VASTATUS(va_status, "vaDeriveImage");
-
- VABufferInfo buf_info;
- buf_info.mem_type = VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME; // or VA_SURFACE_ATTRIB_MEM_TYPE_KERNEL_DRM?
- va_status = vaAcquireBufferHandle(va_dpy, surf->surface_image.buf, &buf_info);
- CHECK_VASTATUS(va_status, "vaAcquireBufferHandle");
-
- // Create Y image.
- surf->y_egl_image = EGL_NO_IMAGE_KHR;
- EGLint y_attribs[] = {
- EGL_WIDTH, frame_width,
- EGL_HEIGHT, frame_height,
- EGL_LINUX_DRM_FOURCC_EXT, fourcc_code('R', '8', ' ', ' '),
- EGL_DMA_BUF_PLANE0_FD_EXT, EGLint(buf_info.handle),
- EGL_DMA_BUF_PLANE0_OFFSET_EXT, EGLint(surf->surface_image.offsets[0]),
- EGL_DMA_BUF_PLANE0_PITCH_EXT, EGLint(surf->surface_image.pitches[0]),
- EGL_NONE
- };
-
- surf->y_egl_image = eglCreateImageKHR(eglGetCurrentDisplay(), EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, y_attribs);
- assert(surf->y_egl_image != EGL_NO_IMAGE_KHR);
-
- // Associate Y image to a texture.
- glBindTexture(GL_TEXTURE_2D, *y_tex);
- glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, surf->y_egl_image);
-
- // Create CbCr image.
- surf->cbcr_egl_image = EGL_NO_IMAGE_KHR;
- EGLint cbcr_attribs[] = {
- EGL_WIDTH, frame_width,
- EGL_HEIGHT, frame_height,
- EGL_LINUX_DRM_FOURCC_EXT, fourcc_code('G', 'R', '8', '8'),
- EGL_DMA_BUF_PLANE0_FD_EXT, EGLint(buf_info.handle),
- EGL_DMA_BUF_PLANE0_OFFSET_EXT, EGLint(surf->surface_image.offsets[1]),
- EGL_DMA_BUF_PLANE0_PITCH_EXT, EGLint(surf->surface_image.pitches[1]),
- EGL_NONE
- };
-
- surf->cbcr_egl_image = eglCreateImageKHR(eglGetCurrentDisplay(), EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, cbcr_attribs);
- assert(surf->cbcr_egl_image != EGL_NO_IMAGE_KHR);
-
- // Associate CbCr image to a texture.
- glBindTexture(GL_TEXTURE_2D, *cbcr_tex);
- glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, surf->cbcr_egl_image);
+ VAStatus va_status = vaDeriveImage(va_dpy, surf->src_surface, &surf->surface_image);
+ CHECK_VASTATUS(va_status, "vaDeriveImage");
+
+ if (use_zerocopy) {
+ VABufferInfo buf_info;
+ buf_info.mem_type = VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME; // or VA_SURFACE_ATTRIB_MEM_TYPE_KERNEL_DRM?
+ va_status = vaAcquireBufferHandle(va_dpy, surf->surface_image.buf, &buf_info);
+ CHECK_VASTATUS(va_status, "vaAcquireBufferHandle");
+
+ // Create Y image.
+ surf->y_egl_image = EGL_NO_IMAGE_KHR;
+ EGLint y_attribs[] = {
+ EGL_WIDTH, frame_width,
+ EGL_HEIGHT, frame_height,
+ EGL_LINUX_DRM_FOURCC_EXT, fourcc_code('R', '8', ' ', ' '),
+ EGL_DMA_BUF_PLANE0_FD_EXT, EGLint(buf_info.handle),
+ EGL_DMA_BUF_PLANE0_OFFSET_EXT, EGLint(surf->surface_image.offsets[0]),
+ EGL_DMA_BUF_PLANE0_PITCH_EXT, EGLint(surf->surface_image.pitches[0]),
+ EGL_NONE
+ };
+
+ surf->y_egl_image = eglCreateImageKHR(eglGetCurrentDisplay(), EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, y_attribs);
+ assert(surf->y_egl_image != EGL_NO_IMAGE_KHR);
+
+ // Associate Y image to a texture.
+ glBindTexture(GL_TEXTURE_2D, *y_tex);
+ glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, surf->y_egl_image);
+
+ // Create CbCr image.
+ surf->cbcr_egl_image = EGL_NO_IMAGE_KHR;
+ EGLint cbcr_attribs[] = {
+ EGL_WIDTH, frame_width,
+ EGL_HEIGHT, frame_height,
+ EGL_LINUX_DRM_FOURCC_EXT, fourcc_code('G', 'R', '8', '8'),
+ EGL_DMA_BUF_PLANE0_FD_EXT, EGLint(buf_info.handle),
+ EGL_DMA_BUF_PLANE0_OFFSET_EXT, EGLint(surf->surface_image.offsets[1]),
+ EGL_DMA_BUF_PLANE0_PITCH_EXT, EGLint(surf->surface_image.pitches[1]),
+ EGL_NONE
+ };
+
+ surf->cbcr_egl_image = eglCreateImageKHR(eglGetCurrentDisplay(), EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, cbcr_attribs);
+ assert(surf->cbcr_egl_image != EGL_NO_IMAGE_KHR);
+
+ // Associate CbCr image to a texture.
+ glBindTexture(GL_TEXTURE_2D, *cbcr_tex);
+ glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, surf->cbcr_egl_image);
+ }
return true;
}
void H264EncoderImpl::add_audio(int64_t pts, vector<float> audio)
{
+ assert(!is_shutdown);
{
unique_lock<mutex> lock(frame_queue_mutex);
pending_audio_frames[pts] = move(audio);
void H264EncoderImpl::end_frame(RefCountedGLsync fence, int64_t pts, const vector<RefCountedFrame> &input_frames)
{
+ assert(!is_shutdown);
+
+ if (!use_zerocopy) {
+ GLSurface *surf = &gl_surfaces[current_storage_frame % SURFACE_NUM];
+
+ glPixelStorei(GL_PACK_ROW_LENGTH, 0);
+ check_error();
+
+ glBindBuffer(GL_PIXEL_PACK_BUFFER, surf->pbo);
+ check_error();
+
+ glBindTexture(GL_TEXTURE_2D, surf->y_tex);
+ check_error();
+ glGetTexImage(GL_TEXTURE_2D, 0, GL_RED, GL_UNSIGNED_BYTE, BUFFER_OFFSET(surf->y_offset));
+ check_error();
+
+ glBindTexture(GL_TEXTURE_2D, surf->cbcr_tex);
+ check_error();
+ glGetTexImage(GL_TEXTURE_2D, 0, GL_RG, GL_UNSIGNED_BYTE, BUFFER_OFFSET(surf->cbcr_offset));
+ check_error();
+
+ glBindTexture(GL_TEXTURE_2D, 0);
+ check_error();
+ glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
+ check_error();
+
+ glMemoryBarrier(GL_TEXTURE_UPDATE_BARRIER_BIT | GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT);
+ check_error();
+ fence = RefCountedGLsync(GL_SYNC_GPU_COMMANDS_COMPLETE, /*flags=*/0);
+ check_error();
+ }
+
{
unique_lock<mutex> lock(frame_queue_mutex);
pending_video_frames[current_storage_frame] = PendingFrame{ fence, input_frames, pts };
frame_queue_nonempty.notify_all();
}
+void H264EncoderImpl::shutdown()
+{
+ if (is_shutdown) {
+ return;
+ }
+
+ {
+ unique_lock<mutex> lock(frame_queue_mutex);
+ encode_thread_should_quit = true;
+ frame_queue_nonempty.notify_all();
+ }
+ encode_thread.join();
+ {
+ unique_lock<mutex> lock(storage_task_queue_mutex);
+ storage_thread_should_quit = true;
+ frame_queue_nonempty.notify_all();
+ storage_task_queue_changed.notify_all();
+ }
+ storage_thread.join();
+
+ release_encode();
+ deinit_va();
+ is_shutdown = true;
+}
+
void H264EncoderImpl::encode_thread_func()
{
int64_t last_dts = -1;
}
}
+namespace {
+
+void memcpy_with_pitch(uint8_t *dst, const uint8_t *src, size_t src_width, size_t dst_pitch, size_t height)
+{
+ if (src_width == dst_pitch) {
+ memcpy(dst, src, src_width * height);
+ } else {
+ for (size_t y = 0; y < height; ++y) {
+ const uint8_t *sptr = src + y * src_width;
+ uint8_t *dptr = dst + y * dst_pitch;
+ memcpy(dptr, sptr, src_width);
+ }
+ }
+}
+
+} // namespace
+
void H264EncoderImpl::encode_frame(H264EncoderImpl::PendingFrame frame, int encoding_frame_num, int display_frame_num, int gop_start_display_frame_num,
int frame_type, int64_t pts, int64_t dts)
{
// Wait for the GPU to be done with the frame.
- glClientWaitSync(frame.fence.get(), 0, 0);
+ GLenum sync_status;
+ do {
+ sync_status = glClientWaitSync(frame.fence.get(), 0, 1000000000);
+ check_error();
+ } while (sync_status == GL_TIMEOUT_EXPIRED);
+ assert(sync_status != GL_WAIT_FAILED);
// Release back any input frames we needed to render this frame.
frame.input_frames.clear();
- // Unmap the image.
GLSurface *surf = &gl_surfaces[display_frame_num % 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");
+ VAStatus va_status;
+
+ if (use_zerocopy) {
+ eglDestroyImageKHR(eglGetCurrentDisplay(), surf->y_egl_image);
+ eglDestroyImageKHR(eglGetCurrentDisplay(), surf->cbcr_egl_image);
+ va_status = vaReleaseBufferHandle(va_dpy, surf->surface_image.buf);
+ CHECK_VASTATUS(va_status, "vaReleaseBufferHandle");
+ } else {
+ unsigned char *surface_p = nullptr;
+ vaMapBuffer(va_dpy, surf->surface_image.buf, (void **)&surface_p);
+
+ unsigned char *va_y_ptr = (unsigned char *)surface_p + surf->surface_image.offsets[0];
+ memcpy_with_pitch(va_y_ptr, surf->y_ptr, frame_width, surf->surface_image.pitches[0], frame_height);
+
+ unsigned char *va_cbcr_ptr = (unsigned char *)surface_p + surf->surface_image.offsets[1];
+ memcpy_with_pitch(va_cbcr_ptr, surf->cbcr_ptr, (frame_width / 2) * sizeof(uint16_t), surf->surface_image.pitches[1], frame_height / 2);
+
+ va_status = vaUnmapBuffer(va_dpy, surf->surface_image.buf);
+ CHECK_VASTATUS(va_status, "vaUnmapBuffer");
+ }
+
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);
+ VASurfaceID va_surface = surf->src_surface;
+ va_status = vaBeginPicture(va_dpy, context_id, va_surface);
CHECK_VASTATUS(va_status, "vaBeginPicture");
if (frame_type == FRAME_IDR) {
}
// Proxy object.
-H264Encoder::H264Encoder(QSurface *surface, int width, int height, HTTPD *httpd)
- : impl(new H264EncoderImpl(surface, width, height, httpd)) {}
+H264Encoder::H264Encoder(QSurface *surface, const string &va_display, int width, int height, HTTPD *httpd)
+ : impl(new H264EncoderImpl(surface, va_display, width, height, httpd)) {}
// Must be defined here because unique_ptr<> destructor needs to know the impl.
H264Encoder::~H264Encoder() {}
-void H264Encoder::add_audio(int64_t pts, std::vector<float> audio)
+void H264Encoder::add_audio(int64_t pts, vector<float> audio)
{
impl->add_audio(pts, audio);
}
return impl->begin_frame(y_tex, cbcr_tex);
}
-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)
{
impl->end_frame(fence, pts, input_frames);
}
+void H264Encoder::shutdown()
+{
+ impl->shutdown();
+}
+
// Real class.
projects / nageru / blobdiff