#include "quicksync_encoder.h"
+#include <movit/image_format.h>
#include <movit/resource_pool.h> // Must be above the Xlib includes.
#include <movit/util.h>
#include <assert.h>
#include <epoxy/egl.h>
#include <fcntl.h>
+#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "timebase.h"
#include "x264_encoder.h"
+using namespace movit;
using namespace std;
using namespace std::chrono;
using namespace std::placeholders;
class QOpenGLContext;
class QSurface;
+namespace {
+
+// These need to survive several QuickSyncEncoderImpl instances,
+// so they are outside.
+once_flag quick_sync_metrics_inited;
+LatencyHistogram mixer_latency_histogram, qs_latency_histogram;
+MuxMetrics current_file_mux_metrics, total_mux_metrics;
+std::atomic<double> metric_current_file_start_time_seconds{0.0 / 0.0};
+std::atomic<int64_t> metric_quick_sync_stalled_frames{0};
+
+} // namespace
+
#define CHECK_VASTATUS(va_status, func) \
if (va_status != VA_STATUS_SUCCESS) { \
fprintf(stderr, "%s:%d (%s) failed with %d\n", __func__, __LINE__, func, va_status); \
static constexpr unsigned int MaxPicOrderCntLsb = (2<<8);
static constexpr unsigned int Log2MaxFrameNum = 16;
static constexpr unsigned int Log2MaxPicOrderCntLsb = 8;
-static constexpr int rc_default_modes[] = { // Priority list of modes.
- VA_RC_VBR,
- VA_RC_CQP,
- VA_RC_VBR_CONSTRAINED,
- VA_RC_CBR,
- VA_RC_VCM,
- VA_RC_NONE,
-};
-
-/* thread to save coded data */
-#define SRC_SURFACE_FREE 0
-#define SRC_SURFACE_IN_ENCODING 1
-
-using namespace std;
-
-FrameReorderer::FrameReorderer(unsigned queue_length, int width, int height)
- : queue_length(queue_length), width(width), height(height)
-{
- for (unsigned i = 0; i < queue_length; ++i) {
- owner.emplace_back(new uint8_t[width * height * 2]);
- freelist.push(owner.back().get());
- }
-}
-
-FrameReorderer::Frame FrameReorderer::reorder_frame(int64_t pts, int64_t duration, uint8_t *data, const ReceivedTimestamps &received_ts)
-{
- if (queue_length == 0) {
- return Frame{pts, duration, data, received_ts};
- }
-
- assert(!freelist.empty());
- uint8_t *storage = freelist.top();
- freelist.pop();
- memcpy(storage, data, width * height * 2);
- frames.push(Frame{pts, duration, storage, received_ts});
-
- if (frames.size() >= queue_length) {
- return get_first_frame();
- } else {
- return Frame{-1, -1, nullptr, steady_clock::time_point::min(), steady_clock::time_point::min()};
- }
-}
-
-FrameReorderer::Frame FrameReorderer::get_first_frame()
-{
- assert(!frames.empty());
- Frame storage = frames.top();
- frames.pop();
- freelist.push(storage.data);
- return storage;
-}
+using namespace std;
// Supposedly vaRenderPicture() is supposed to destroy the buffer implicitly,
// but if we don't delete it here, we get leaks. The GStreamer implementation
bitstream_put_ui(bs, nal_unit_type, 5);
}
-void QuickSyncEncoderImpl::sps_rbsp(bitstream *bs)
+void QuickSyncEncoderImpl::sps_rbsp(YCbCrLumaCoefficients ycbcr_coefficients, bitstream *bs)
{
int profile_idc = PROFILE_IDC_BASELINE;
if ( false ) {
bitstream_put_ui(bs, 0, 1); /* vui_parameters_present_flag */
} else {
+ // See H.264 annex E for the definition of this header.
bitstream_put_ui(bs, 1, 1); /* vui_parameters_present_flag */
bitstream_put_ui(bs, 0, 1); /* aspect_ratio_info_present_flag */
bitstream_put_ui(bs, 0, 1); /* overscan_info_present_flag */
bitstream_put_ui(bs, 1, 1); /* colour_description_present_flag */
{
bitstream_put_ui(bs, 1, 8); /* colour_primaries (1 = BT.709) */
- bitstream_put_ui(bs, 2, 8); /* transfer_characteristics (2 = unspecified, since we use sRGB) */
- bitstream_put_ui(bs, 6, 8); /* matrix_coefficients (6 = BT.601/SMPTE 170M) */
+ bitstream_put_ui(bs, 13, 8); /* transfer_characteristics (13 = sRGB) */
+ if (ycbcr_coefficients == YCBCR_REC_709) {
+ bitstream_put_ui(bs, 1, 8); /* matrix_coefficients (1 = BT.709) */
+ } else {
+ assert(ycbcr_coefficients == YCBCR_REC_601);
+ bitstream_put_ui(bs, 6, 8); /* matrix_coefficients (6 = BT.601/SMPTE 170M) */
+ }
}
}
bitstream_put_ui(bs, 0, 1); /* chroma_loc_info_present_flag */
}
int
-QuickSyncEncoderImpl::build_packed_seq_buffer(unsigned char **header_buffer)
+QuickSyncEncoderImpl::build_packed_seq_buffer(YCbCrLumaCoefficients ycbcr_coefficients, unsigned char **header_buffer)
{
bitstream bs;
bitstream_start(&bs);
nal_start_code_prefix(&bs);
nal_header(&bs, NAL_REF_IDC_HIGH, NAL_SPS);
- sps_rbsp(&bs);
+ sps_rbsp(ycbcr_coefficients, &bs);
bitstream_end(&bs);
*header_buffer = (unsigned char *)bs.buffer;
}
-static const char *rc_to_string(int rc_mode)
-{
- switch (rc_mode) {
- case VA_RC_NONE:
- return "NONE";
- case VA_RC_CBR:
- return "CBR";
- case VA_RC_VBR:
- return "VBR";
- case VA_RC_VCM:
- return "VCM";
- case VA_RC_CQP:
- return "CQP";
- case VA_RC_VBR_CONSTRAINED:
- return "VBR_CONSTRAINED";
- default:
- return "Unknown";
- }
-}
-
void QuickSyncEncoderImpl::enable_zerocopy_if_possible()
{
- if (global_flags.uncompressed_video_to_http) {
+ if (global_flags.x264_video_to_disk) {
+ // Quick Sync is entirely disabled.
+ use_zerocopy = false;
+ } else if (global_flags.uncompressed_video_to_http) {
fprintf(stderr, "Disabling zerocopy H.264 encoding due to --http-uncompressed-video.\n");
use_zerocopy = false;
} else if (global_flags.x264_video_to_http) {
} else {
use_zerocopy = true;
}
+ global_flags.use_zerocopy = use_zerocopy;
}
VADisplay QuickSyncEncoderImpl::va_open_display(const string &va_display)
fprintf(stderr, "error: can't connect to X server!\n");
return NULL;
}
- enable_zerocopy_if_possible();
return vaGetDisplay(x11_display);
} else if (va_display[0] != '/') {
x11_display = XOpenDisplay(va_display.c_str());
fprintf(stderr, "error: can't connect to X server!\n");
return NULL;
}
- enable_zerocopy_if_possible();
return vaGetDisplay(x11_display);
} else {
drm_fd = open(va_display.c_str(), O_RDWR);
}
if (attrib[VAConfigAttribRateControl].value != VA_ATTRIB_NOT_SUPPORTED) {
- int tmp = attrib[VAConfigAttribRateControl].value;
-
- if (rc_mode == -1 || !(rc_mode & tmp)) {
- if (rc_mode != -1) {
- printf("Warning: Don't support the specified RateControl mode: %s!!!, switch to ", rc_to_string(rc_mode));
- }
-
- for (i = 0; i < sizeof(rc_default_modes) / sizeof(rc_default_modes[0]); i++) {
- if (rc_default_modes[i] & tmp) {
- rc_mode = rc_default_modes[i];
- break;
- }
- }
+ if (!(attrib[VAConfigAttribRateControl].value & VA_RC_CQP)) {
+ fprintf(stderr, "ERROR: VA-API encoder does not support CQP mode.\n");
+ exit(1);
}
config_attrib[config_attrib_num].type = VAConfigAttribRateControl;
- config_attrib[config_attrib_num].value = rc_mode;
+ config_attrib[config_attrib_num].value = VA_RC_CQP;
config_attrib_num++;
}
int QuickSyncEncoderImpl::setup_encode()
{
- VAStatus va_status;
- VASurfaceID *tmp_surfaceid;
- int codedbuf_size, i;
- VASurfaceID src_surface[SURFACE_NUM];
- VASurfaceID ref_surface[SURFACE_NUM];
-
- va_status = vaCreateConfig(va_dpy, h264_profile, VAEntrypointEncSlice,
- &config_attrib[0], config_attrib_num, &config_id);
- CHECK_VASTATUS(va_status, "vaCreateConfig");
-
- /* create source surfaces */
- va_status = vaCreateSurfaces(va_dpy,
- VA_RT_FORMAT_YUV420, frame_width_mbaligned, frame_height_mbaligned,
- &src_surface[0], SURFACE_NUM,
- NULL, 0);
- CHECK_VASTATUS(va_status, "vaCreateSurfaces");
-
- /* create reference surfaces */
- va_status = vaCreateSurfaces(va_dpy,
- VA_RT_FORMAT_YUV420, frame_width_mbaligned, frame_height_mbaligned,
- &ref_surface[0], SURFACE_NUM,
- NULL, 0);
- CHECK_VASTATUS(va_status, "vaCreateSurfaces");
-
- tmp_surfaceid = (VASurfaceID *)calloc(2 * SURFACE_NUM, sizeof(VASurfaceID));
- memcpy(tmp_surfaceid, src_surface, SURFACE_NUM * sizeof(VASurfaceID));
- memcpy(tmp_surfaceid + SURFACE_NUM, ref_surface, SURFACE_NUM * sizeof(VASurfaceID));
-
- /* Create a context for this encode pipe */
- va_status = vaCreateContext(va_dpy, config_id,
- frame_width_mbaligned, frame_height_mbaligned,
- VA_PROGRESSIVE,
- tmp_surfaceid, 2 * SURFACE_NUM,
- &context_id);
- CHECK_VASTATUS(va_status, "vaCreateContext");
- free(tmp_surfaceid);
-
- codedbuf_size = (frame_width_mbaligned * frame_height_mbaligned * 400) / (16*16);
-
- for (i = 0; i < SURFACE_NUM; i++) {
- /* create coded buffer once for all
- * other VA buffers which won't be used again after vaRenderPicture.
- * so APP can always vaCreateBuffer for every frame
- * but coded buffer need to be mapped and accessed after vaRenderPicture/vaEndPicture
- * so VA won't maintain the coded buffer
- */
- va_status = vaCreateBuffer(va_dpy, context_id, VAEncCodedBufferType,
- codedbuf_size, 1, NULL, &gl_surfaces[i].coded_buf);
- CHECK_VASTATUS(va_status, "vaCreateBuffer");
- }
+ if (!global_flags.x264_video_to_disk) {
+ VAStatus va_status;
+ VASurfaceID *tmp_surfaceid;
+ int codedbuf_size;
+ VASurfaceID src_surface[SURFACE_NUM];
+ VASurfaceID ref_surface[SURFACE_NUM];
+
+ va_status = vaCreateConfig(va_dpy, h264_profile, VAEntrypointEncSlice,
+ &config_attrib[0], config_attrib_num, &config_id);
+ CHECK_VASTATUS(va_status, "vaCreateConfig");
+
+ /* create source surfaces */
+ va_status = vaCreateSurfaces(va_dpy,
+ VA_RT_FORMAT_YUV420, frame_width_mbaligned, frame_height_mbaligned,
+ &src_surface[0], SURFACE_NUM,
+ NULL, 0);
+ CHECK_VASTATUS(va_status, "vaCreateSurfaces");
+
+ /* create reference surfaces */
+ va_status = vaCreateSurfaces(va_dpy,
+ VA_RT_FORMAT_YUV420, frame_width_mbaligned, frame_height_mbaligned,
+ &ref_surface[0], SURFACE_NUM,
+ NULL, 0);
+ CHECK_VASTATUS(va_status, "vaCreateSurfaces");
+
+ tmp_surfaceid = (VASurfaceID *)calloc(2 * SURFACE_NUM, sizeof(VASurfaceID));
+ memcpy(tmp_surfaceid, src_surface, SURFACE_NUM * sizeof(VASurfaceID));
+ memcpy(tmp_surfaceid + SURFACE_NUM, ref_surface, SURFACE_NUM * sizeof(VASurfaceID));
+
+ for (int i = 0; i < SURFACE_NUM; i++) {
+ gl_surfaces[i].src_surface = src_surface[i];
+ gl_surfaces[i].ref_surface = ref_surface[i];
+ }
- /* create OpenGL objects */
- //glGenFramebuffers(SURFACE_NUM, fbos);
-
- for (i = 0; i < SURFACE_NUM; i++) {
- if (use_zerocopy) {
- gl_surfaces[i].y_tex = resource_pool->create_2d_texture(GL_R8, 1, 1);
- gl_surfaces[i].cbcr_tex = resource_pool->create_2d_texture(GL_RG8, 1, 1);
- } else {
- gl_surfaces[i].y_tex = resource_pool->create_2d_texture(GL_R8, frame_width, frame_height);
- gl_surfaces[i].cbcr_tex = resource_pool->create_2d_texture(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);
- }
- }
+ /* Create a context for this encode pipe */
+ va_status = vaCreateContext(va_dpy, config_id,
+ frame_width_mbaligned, frame_height_mbaligned,
+ VA_PROGRESSIVE,
+ tmp_surfaceid, 2 * SURFACE_NUM,
+ &context_id);
+ CHECK_VASTATUS(va_status, "vaCreateContext");
+ free(tmp_surfaceid);
+
+ codedbuf_size = (frame_width_mbaligned * frame_height_mbaligned * 400) / (16*16);
+
+ for (int i = 0; i < SURFACE_NUM; i++) {
+ /* create coded buffer once for all
+ * other VA buffers which won't be used again after vaRenderPicture.
+ * so APP can always vaCreateBuffer for every frame
+ * but coded buffer need to be mapped and accessed after vaRenderPicture/vaEndPicture
+ * so VA won't maintain the coded buffer
+ */
+ va_status = vaCreateBuffer(va_dpy, context_id, VAEncCodedBufferType,
+ codedbuf_size, 1, NULL, &gl_surfaces[i].coded_buf);
+ CHECK_VASTATUS(va_status, "vaCreateBuffer");
+ }
+ }
- for (i = 0; i < SURFACE_NUM; i++) {
- gl_surfaces[i].src_surface = src_surface[i];
- gl_surfaces[i].ref_surface = ref_surface[i];
- }
-
- return 0;
+ /* create OpenGL objects */
+ for (int i = 0; i < SURFACE_NUM; i++) {
+ if (use_zerocopy) {
+ gl_surfaces[i].y_tex = resource_pool->create_2d_texture(GL_R8, 1, 1);
+ gl_surfaces[i].cbcr_tex = resource_pool->create_2d_texture(GL_RG8, 1, 1);
+ } else {
+ size_t bytes_per_pixel = (global_flags.x264_bit_depth > 8) ? 2 : 1;
+
+ // 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 * bytes_per_pixel, 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 * bytes_per_pixel, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT);
+ gl_surfaces[i].y_offset = 0;
+ gl_surfaces[i].cbcr_offset = frame_width * frame_height * bytes_per_pixel;
+ 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);
+ }
+ }
+
+ return 0;
}
// Given a list like 1 9 3 0 2 8 4 and a pivot element 3, will produce
sort(middle, end, less_than);
}
-void QuickSyncEncoderImpl::update_ReferenceFrames(int frame_type)
+void QuickSyncEncoderImpl::update_ReferenceFrames(int current_display_frame, int frame_type)
{
- int i;
-
if (frame_type == FRAME_B)
return;
+ pic_param.CurrPic.frame_idx = current_ref_frame_num;
+
CurrentCurrPic.flags = VA_PICTURE_H264_SHORT_TERM_REFERENCE;
- numShortTerm++;
- if (numShortTerm > num_ref_frames)
- numShortTerm = num_ref_frames;
- for (i=numShortTerm-1; i>0; i--)
- ReferenceFrames[i] = ReferenceFrames[i-1];
- ReferenceFrames[0] = CurrentCurrPic;
+ unique_lock<mutex> lock(storage_task_queue_mutex);
+
+ // Insert the new frame at the start of the reference queue.
+ reference_frames.push_front(ReferenceFrame{ CurrentCurrPic, current_display_frame });
+
+ if (reference_frames.size() > num_ref_frames)
+ {
+ // The back frame frame is no longer in use as a reference.
+ int display_frame_num = reference_frames.back().display_number;
+ assert(surface_for_frame.count(display_frame_num));
+ release_gl_surface(display_frame_num);
+ reference_frames.pop_back();
+ }
+
+ // Mark this frame in use as a reference.
+ assert(surface_for_frame.count(current_display_frame));
+ ++surface_for_frame[current_display_frame]->refcount;
- current_frame_num++;
- if (current_frame_num > MaxFrameNum)
- current_frame_num = 0;
+ current_ref_frame_num++;
+ if (current_ref_frame_num > MaxFrameNum)
+ current_ref_frame_num = 0;
}
-int QuickSyncEncoderImpl::update_RefPicList(int frame_type)
+void QuickSyncEncoderImpl::update_RefPicList_P(VAPictureH264 RefPicList0_P[MAX_NUM_REF2])
{
const auto descending_by_frame_idx = [](const VAPictureH264 &a, const VAPictureH264 &b) {
return a.frame_idx > b.frame_idx;
};
+
+ for (size_t i = 0; i < reference_frames.size(); ++i) {
+ RefPicList0_P[i] = reference_frames[i].pic;
+ }
+ sort(&RefPicList0_P[0], &RefPicList0_P[reference_frames.size()], descending_by_frame_idx);
+}
+
+void QuickSyncEncoderImpl::update_RefPicList_B(VAPictureH264 RefPicList0_B[MAX_NUM_REF2], VAPictureH264 RefPicList1_B[MAX_NUM_REF2])
+{
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(&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], &RefPicList0_B[numShortTerm], CurrentCurrPic, ascending_by_top_field_order_cnt);
- memcpy(RefPicList1_B, ReferenceFrames, numShortTerm * sizeof(VAPictureH264));
- sort_two(&RefPicList1_B[0], &RefPicList1_B[numShortTerm], CurrentCurrPic, descending_by_top_field_order_cnt);
+ for (size_t i = 0; i < reference_frames.size(); ++i) {
+ RefPicList0_B[i] = reference_frames[i].pic;
+ RefPicList1_B[i] = reference_frames[i].pic;
}
-
- return 0;
+ sort_two(&RefPicList0_B[0], &RefPicList0_B[reference_frames.size()], CurrentCurrPic, ascending_by_top_field_order_cnt);
+ sort_two(&RefPicList1_B[0], &RefPicList1_B[reference_frames.size()], CurrentCurrPic, descending_by_top_field_order_cnt);
}
return TopFieldOrderCnt;
}
-int QuickSyncEncoderImpl::render_picture(int frame_type, int display_frame_num, int gop_start_display_frame_num)
+int QuickSyncEncoderImpl::render_picture(GLSurface *surf, int frame_type, int display_frame_num, int gop_start_display_frame_num)
{
VABufferID pic_param_buf;
VAStatus va_status;
- int i = 0;
+ size_t i = 0;
- pic_param.CurrPic.picture_id = gl_surfaces[display_frame_num % SURFACE_NUM].ref_surface;
- pic_param.CurrPic.frame_idx = current_frame_num;
+ pic_param.CurrPic.picture_id = surf->ref_surface;
+ pic_param.CurrPic.frame_idx = current_ref_frame_num;
pic_param.CurrPic.flags = 0;
pic_param.CurrPic.TopFieldOrderCnt = calc_poc((display_frame_num - gop_start_display_frame_num) % MaxPicOrderCntLsb, frame_type);
pic_param.CurrPic.BottomFieldOrderCnt = pic_param.CurrPic.TopFieldOrderCnt;
CurrentCurrPic = pic_param.CurrPic;
- memcpy(pic_param.ReferenceFrames, ReferenceFrames, numShortTerm*sizeof(VAPictureH264));
- for (i = numShortTerm; i < MAX_NUM_REF1; i++) {
+ for (i = 0; i < reference_frames.size(); i++) {
+ pic_param.ReferenceFrames[i] = reference_frames[i].pic;
+ }
+ for (i = reference_frames.size(); i < MAX_NUM_REF1; i++) {
pic_param.ReferenceFrames[i].picture_id = VA_INVALID_SURFACE;
pic_param.ReferenceFrames[i].flags = VA_PICTURE_H264_INVALID;
}
pic_param.pic_fields.bits.reference_pic_flag = (frame_type != FRAME_B);
pic_param.pic_fields.bits.entropy_coding_mode_flag = h264_entropy_mode;
pic_param.pic_fields.bits.deblocking_filter_control_present_flag = 1;
- pic_param.frame_num = current_frame_num;
- pic_param.coded_buf = gl_surfaces[display_frame_num % SURFACE_NUM].coded_buf;
+ pic_param.frame_num = current_ref_frame_num; // FIXME: is this correct?
+ pic_param.coded_buf = surf->coded_buf;
pic_param.last_picture = false; // FIXME
pic_param.pic_init_qp = initial_qp;
return 0;
}
-int QuickSyncEncoderImpl::render_packedsequence()
+int QuickSyncEncoderImpl::render_packedsequence(YCbCrLumaCoefficients ycbcr_coefficients)
{
VAEncPackedHeaderParameterBuffer packedheader_param_buffer;
VABufferID packedseq_para_bufid, packedseq_data_bufid, render_id[2];
unsigned char *packedseq_buffer = NULL;
VAStatus va_status;
- length_in_bits = build_packed_seq_buffer(&packedseq_buffer);
+ length_in_bits = build_packed_seq_buffer(ycbcr_coefficients, &packedseq_buffer);
packedheader_param_buffer.type = VAEncPackedHeaderSequence;
VAStatus va_status;
int i;
- update_RefPicList(frame_type);
-
/* one frame, one slice */
slice_param.macroblock_address = 0;
slice_param.num_macroblocks = frame_width_mbaligned * frame_height_mbaligned/(16*16); /* Measured by MB */
if (encoding_frame_num != 0)
++slice_param.idr_pic_id;
} else if (frame_type == FRAME_P) {
+ VAPictureH264 RefPicList0_P[MAX_NUM_REF2];
+ update_RefPicList_P(RefPicList0_P);
+
int refpiclist0_max = h264_maxref & 0xffff;
memcpy(slice_param.RefPicList0, RefPicList0_P, refpiclist0_max*sizeof(VAPictureH264));
slice_param.RefPicList0[i].flags = VA_PICTURE_H264_INVALID;
}
} else if (frame_type == FRAME_B) {
+ VAPictureH264 RefPicList0_B[MAX_NUM_REF2], RefPicList1_B[MAX_NUM_REF2];
+ update_RefPicList_B(RefPicList0_B, RefPicList1_B);
+
int refpiclist0_max = h264_maxref & 0xffff;
int refpiclist1_max = (h264_maxref >> 16) & 0xffff;
-void QuickSyncEncoderImpl::save_codeddata(storage_task task)
+void QuickSyncEncoderImpl::save_codeddata(GLSurface *surf, storage_task task)
{
VACodedBufferSegment *buf_list = NULL;
VAStatus va_status;
string data;
- va_status = vaMapBuffer(va_dpy, gl_surfaces[task.display_order % SURFACE_NUM].coded_buf, (void **)(&buf_list));
+ va_status = vaMapBuffer(va_dpy, surf->coded_buf, (void **)(&buf_list));
CHECK_VASTATUS(va_status, "vaMapBuffer");
while (buf_list != NULL) {
data.append(reinterpret_cast<const char *>(buf_list->buf), buf_list->size);
buf_list = (VACodedBufferSegment *) buf_list->next;
}
- vaUnmapBuffer(va_dpy, gl_surfaces[task.display_order % SURFACE_NUM].coded_buf);
+ vaUnmapBuffer(va_dpy, surf->coded_buf);
static int frameno = 0;
- print_latency("Current QuickSync latency (video inputs → disk mux):",
- task.received_ts, (task.frame_type == FRAME_B), &frameno);
+ print_latency("Current Quick Sync latency (video inputs → disk mux):",
+ task.received_ts, (task.frame_type == FRAME_B), &frameno, &qs_latency_histogram);
{
// Add video.
void QuickSyncEncoderImpl::storage_task_thread()
{
+ pthread_setname_np(pthread_self(), "QS_Storage");
for ( ;; ) {
storage_task current;
+ GLSurface *surf;
{
// wait until there's an encoded frame
unique_lock<mutex> lock(storage_task_queue_mutex);
if (storage_thread_should_quit && storage_task_queue.empty()) return;
current = move(storage_task_queue.front());
storage_task_queue.pop();
+ surf = surface_for_frame[current.display_order];
+ assert(surf != nullptr);
}
VAStatus va_status;
+
+ size_t display_order = current.display_order;
+ vector<size_t> ref_display_frame_numbers = move(current.ref_display_frame_numbers);
// waits for data, then saves it to disk.
- va_status = vaSyncSurface(va_dpy, gl_surfaces[current.display_order % SURFACE_NUM].src_surface);
+ va_status = vaSyncSurface(va_dpy, surf->src_surface);
CHECK_VASTATUS(va_status, "vaSyncSurface");
- save_codeddata(move(current));
+ save_codeddata(surf, move(current));
+ // Unlock the frame, and all its references.
{
unique_lock<mutex> lock(storage_task_queue_mutex);
- srcsurface_status[current.display_order % SURFACE_NUM] = SRC_SURFACE_FREE;
- storage_task_queue_changed.notify_all();
+ release_gl_surface(display_order);
+
+ for (size_t frame_num : ref_display_frame_numbers) {
+ release_gl_surface(frame_num);
+ }
}
}
}
}
for (unsigned i = 0; i < SURFACE_NUM; i++) {
- if (!use_zerocopy) {
+ if (use_zerocopy) {
+ resource_pool->release_2d_texture(gl_surfaces[i].y_tex);
+ resource_pool->release_2d_texture(gl_surfaces[i].cbcr_tex);
+ } else {
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);
}
- resource_pool->release_2d_texture(gl_surfaces[i].y_tex);
- resource_pool->release_2d_texture(gl_surfaces[i].cbcr_tex);
}
has_released_gl_resources = true;
return 0;
}
-QuickSyncEncoderImpl::QuickSyncEncoderImpl(const std::string &filename, movit::ResourcePool *resource_pool, QSurface *surface, const string &va_display, int width, int height, AVOutputFormat *oformat, X264Encoder *x264_encoder, DiskSpaceEstimator *disk_space_estimator)
+QuickSyncEncoderImpl::QuickSyncEncoderImpl(const std::string &filename, ResourcePool *resource_pool, QSurface *surface, const string &va_display, int width, int height, AVOutputFormat *oformat, X264Encoder *x264_encoder, DiskSpaceEstimator *disk_space_estimator)
: current_storage_frame(0), resource_pool(resource_pool), surface(surface), x264_encoder(x264_encoder), frame_width(width), frame_height(height), disk_space_estimator(disk_space_estimator)
{
file_audio_encoder.reset(new AudioEncoder(AUDIO_OUTPUT_CODEC_NAME, DEFAULT_AUDIO_OUTPUT_BIT_RATE, oformat));
//print_input();
- if (global_flags.uncompressed_video_to_http ||
- global_flags.x264_video_to_http) {
- reorderer.reset(new FrameReorderer(ip_period - 1, frame_width, frame_height));
- }
- if (global_flags.x264_video_to_http) {
+ if (global_flags.x264_video_to_http || global_flags.x264_video_to_disk) {
assert(x264_encoder != nullptr);
} else {
assert(x264_encoder == nullptr);
}
- init_va(va_display);
+ enable_zerocopy_if_possible();
+ if (!global_flags.x264_video_to_disk) {
+ init_va(va_display);
+ }
setup_encode();
- // No frames are ready yet.
- memset(srcsurface_status, SRC_SURFACE_FREE, sizeof(srcsurface_status));
-
- memset(&seq_param, 0, sizeof(seq_param));
- memset(&pic_param, 0, sizeof(pic_param));
- memset(&slice_param, 0, sizeof(slice_param));
+ if (!global_flags.x264_video_to_disk) {
+ memset(&seq_param, 0, sizeof(seq_param));
+ memset(&pic_param, 0, sizeof(pic_param));
+ memset(&slice_param, 0, sizeof(slice_param));
+ }
+
+ call_once(quick_sync_metrics_inited, [](){
+ mixer_latency_histogram.init("mixer");
+ qs_latency_histogram.init("quick_sync");
+ current_file_mux_metrics.init({{ "destination", "current_file" }});
+ total_mux_metrics.init({{ "destination", "files_total" }});
+ global_metrics.add("current_file_start_time_seconds", &metric_current_file_start_time_seconds, Metrics::TYPE_GAUGE);
+ global_metrics.add("quick_sync_stalled_frames", &metric_quick_sync_stalled_frames);
+ });
storage_thread = thread(&QuickSyncEncoderImpl::storage_task_thread, this);
encode_thread = thread([this]{
- //SDL_GL_MakeCurrent(window, context);
QOpenGLContext *context = create_context(this->surface);
eglBindAPI(EGL_OPENGL_API);
if (!make_current(context, this->surface)) {
release_gl_resources();
}
-bool QuickSyncEncoderImpl::begin_frame(GLuint *y_tex, GLuint *cbcr_tex)
+QuickSyncEncoderImpl::GLSurface *QuickSyncEncoderImpl::allocate_gl_surface()
+{
+ for (unsigned i = 0; i < SURFACE_NUM; ++i) {
+ if (gl_surfaces[i].refcount == 0) {
+ ++gl_surfaces[i].refcount;
+ return &gl_surfaces[i];
+ }
+ }
+ return nullptr;
+}
+
+void QuickSyncEncoderImpl::release_gl_surface(size_t display_frame_num)
+{
+ assert(surface_for_frame.count(display_frame_num));
+ QuickSyncEncoderImpl::GLSurface *surf = surface_for_frame[display_frame_num];
+ if (--surf->refcount == 0) {
+ assert(surface_for_frame.count(display_frame_num));
+ surface_for_frame.erase(display_frame_num);
+ storage_task_queue_changed.notify_all();
+ }
+}
+
+bool QuickSyncEncoderImpl::is_zerocopy() const
+{
+ return use_zerocopy;
+}
+
+bool QuickSyncEncoderImpl::begin_frame(int64_t pts, int64_t duration, YCbCrLumaCoefficients ycbcr_coefficients, const vector<RefCountedFrame> &input_frames, GLuint *y_tex, GLuint *cbcr_tex)
{
assert(!is_shutdown);
+ GLSurface *surf = nullptr;
{
// 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);
+ surf = allocate_gl_surface();
+ if (surf == nullptr) {
+ fprintf(stderr, "Warning: No free slots for frame %d, rendering has to wait for H.264 encoder\n",
+ current_storage_frame);
+ ++metric_quick_sync_stalled_frames;
+ storage_task_queue_changed.wait(lock, [this, &surf]{
+ if (storage_thread_should_quit)
+ return true;
+ surf = allocate_gl_surface();
+ return surf != nullptr;
+ });
}
- 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;
+ assert(surf != nullptr);
+ surface_for_frame[current_storage_frame] = surf;
}
- //*fbo = fbos[current_storage_frame % SURFACE_NUM];
- GLSurface *surf = &gl_surfaces[current_storage_frame % SURFACE_NUM];
- *y_tex = surf->y_tex;
- *cbcr_tex = surf->cbcr_tex;
-
- 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);
+ *y_tex = surf->y_tex;
+ *cbcr_tex = surf->cbcr_tex;
+ } else {
+ surf->y_tex = *y_tex;
+ surf->cbcr_tex = *cbcr_tex;
+ }
+
+ if (!global_flags.x264_video_to_disk) {
+ 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 / 2,
+ EGL_HEIGHT, frame_height / 2,
+ 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);
+ }
}
+ current_video_frame = PendingFrame{ {}, input_frames, pts, duration, ycbcr_coefficients };
+
return true;
}
void QuickSyncEncoderImpl::add_audio(int64_t pts, vector<float> audio)
{
+ lock_guard<mutex> lock(file_audio_encoder_mutex);
assert(!is_shutdown);
file_audio_encoder->encode_audio(audio, pts + global_delay());
}
-RefCountedGLsync QuickSyncEncoderImpl::end_frame(int64_t pts, int64_t duration, const vector<RefCountedFrame> &input_frames)
+RefCountedGLsync QuickSyncEncoderImpl::end_frame()
{
assert(!is_shutdown);
if (!use_zerocopy) {
- GLSurface *surf = &gl_surfaces[current_storage_frame % SURFACE_NUM];
+ GLenum type = global_flags.x264_bit_depth > 8 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_BYTE;
+ GLSurface *surf;
+ {
+ unique_lock<mutex> lock(storage_task_queue_mutex);
+ surf = surface_for_frame[current_storage_frame];
+ assert(surf != nullptr);
+ }
glPixelStorei(GL_PACK_ROW_LENGTH, 0);
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));
+ glGetTexImage(GL_TEXTURE_2D, 0, GL_RED, type, 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));
+ glGetTexImage(GL_TEXTURE_2D, 0, GL_RG, type, BUFFER_OFFSET(surf->cbcr_offset));
check_error();
+ // We don't own these; the caller does.
+ surf->y_tex = surf->cbcr_tex = 0;
+
glBindTexture(GL_TEXTURE_2D, 0);
check_error();
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
{
unique_lock<mutex> lock(frame_queue_mutex);
- pending_video_frames[current_storage_frame] = PendingFrame{ fence, input_frames, pts, duration };
+ current_video_frame.fence = fence;
+ pending_video_frames.push(move(current_video_frame));
++current_storage_frame;
}
frame_queue_nonempty.notify_all();
storage_thread.join();
// Encode any leftover audio in the queues, and also any delayed frames.
- file_audio_encoder->encode_last_audio();
+ {
+ lock_guard<mutex> lock(file_audio_encoder_mutex);
+ file_audio_encoder->encode_last_audio();
+ }
- release_encode();
- deinit_va();
- file_mux.reset();
+ if (!global_flags.x264_video_to_disk) {
+ release_encode();
+ deinit_va();
+ }
is_shutdown = true;
}
+void QuickSyncEncoderImpl::close_file()
+{
+ file_mux.reset();
+ metric_current_file_start_time_seconds = 0.0 / 0.0;
+}
+
void QuickSyncEncoderImpl::open_output_file(const std::string &filename)
{
AVFormatContext *avctx = avformat_alloc_context();
exit(1);
}
- string video_extradata = ""; // FIXME: See other comment about global headers.
- AVCodecParametersWithDeleter audio_codecpar = file_audio_encoder->get_codec_parameters();
- file_mux.reset(new Mux(avctx, frame_width, frame_height, Mux::CODEC_H264, video_extradata, audio_codecpar.get(), TIMEBASE,
- std::bind(&DiskSpaceEstimator::report_write, disk_space_estimator, filename, _1)));
+ string video_extradata; // FIXME: See other comment about global headers.
+ if (global_flags.x264_video_to_disk) {
+ video_extradata = x264_encoder->get_global_headers();
+ }
+
+ current_file_mux_metrics.reset();
+
+ {
+ lock_guard<mutex> lock(file_audio_encoder_mutex);
+ AVCodecParametersWithDeleter audio_codecpar = file_audio_encoder->get_codec_parameters();
+ file_mux.reset(new Mux(avctx, frame_width, frame_height, Mux::CODEC_H264, video_extradata, audio_codecpar.get(), TIMEBASE,
+ std::bind(&DiskSpaceEstimator::report_write, disk_space_estimator, filename, _1),
+ Mux::WRITE_BACKGROUND,
+ { ¤t_file_mux_metrics, &total_mux_metrics }));
+ }
+ metric_current_file_start_time_seconds = get_timestamp_for_metrics();
+
+ if (global_flags.x264_video_to_disk) {
+ x264_encoder->add_mux(file_mux.get());
+ }
}
void QuickSyncEncoderImpl::encode_thread_func()
{
+ pthread_setname_np(pthread_self(), "QS_Encode");
+
int64_t last_dts = -1;
int gop_start_display_frame_num = 0;
- for (int encoding_frame_num = 0; ; ++encoding_frame_num) {
+ for (int display_frame_num = 0; ; ++display_frame_num) {
+ // Wait for the frame to be in the queue. Note that this only means
+ // we started rendering it.
PendingFrame frame;
- int pts_lag;
- int frame_type, display_frame_num;
- encoding2display_order(encoding_frame_num, intra_period, intra_idr_period, ip_period,
- &display_frame_num, &frame_type, &pts_lag);
- if (frame_type == FRAME_IDR) {
- numShortTerm = 0;
- current_frame_num = 0;
- gop_start_display_frame_num = display_frame_num;
- }
-
{
unique_lock<mutex> lock(frame_queue_mutex);
- frame_queue_nonempty.wait(lock, [this, display_frame_num]{
- return encode_thread_should_quit || pending_video_frames.count(display_frame_num) != 0;
+ frame_queue_nonempty.wait(lock, [this]{
+ return encode_thread_should_quit || !pending_video_frames.empty();
});
- if (encode_thread_should_quit && pending_video_frames.count(display_frame_num) == 0) {
- // We have queued frames that were supposed to be B-frames,
- // but will be no P-frame to encode them against. Encode them all
- // as P-frames instead. Note that this happens under the mutex,
+ if (encode_thread_should_quit && pending_video_frames.empty()) {
+ // We may have queued frames left in the reorder buffer
+ // that were supposed to be B-frames, but have no P-frame
+ // to be encoded against. If so, encode them all as
+ // P-frames instead. Note that this happens under the mutex,
// but nobody else uses it at this point, since we're shutting down,
// so there's no contention.
- encode_remaining_frames_as_p(encoding_frame_num, gop_start_display_frame_num, last_dts);
+ encode_remaining_frames_as_p(quicksync_encoding_frame_num, gop_start_display_frame_num, last_dts);
return;
} else {
- frame = move(pending_video_frames[display_frame_num]);
- pending_video_frames.erase(display_frame_num);
+ frame = move(pending_video_frames.front());
+ pending_video_frames.pop();
}
}
- // 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 = frame.pts - pts_lag;
+ // Pass the frame on to x264 (or uncompressed to HTTP) as needed.
+ // Note that this implicitly waits for the frame to be done rendering.
+ pass_frame(frame, display_frame_num, frame.pts, frame.duration);
+
+ if (global_flags.x264_video_to_disk) {
+ unique_lock<mutex> lock(storage_task_queue_mutex);
+ release_gl_surface(display_frame_num);
+ continue;
}
- last_dts = dts;
- encode_frame(frame, encoding_frame_num, display_frame_num, gop_start_display_frame_num, frame_type, frame.pts, dts, frame.duration);
+ reorder_buffer[display_frame_num] = move(frame);
+
+ // Now encode as many QuickSync frames as we can using the frames we have available.
+ // (It could be zero, or it could be multiple.) FIXME: make a function.
+ for ( ;; ) {
+ int pts_lag;
+ int frame_type, quicksync_display_frame_num;
+ encoding2display_order(quicksync_encoding_frame_num, intra_period, intra_idr_period, ip_period,
+ &quicksync_display_frame_num, &frame_type, &pts_lag);
+ if (!reorder_buffer.count(quicksync_display_frame_num)) {
+ break;
+ }
+ frame = move(reorder_buffer[quicksync_display_frame_num]);
+ reorder_buffer.erase(quicksync_display_frame_num);
+
+ if (frame_type == FRAME_IDR) {
+ // Release any reference frames from the previous GOP.
+ for (const ReferenceFrame &frame : reference_frames) {
+ release_gl_surface(frame.display_number);
+ }
+ reference_frames.clear();
+ current_ref_frame_num = 0;
+ gop_start_display_frame_num = quicksync_display_frame_num;
+ }
+
+ // 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 = frame.pts - pts_lag;
+ }
+ last_dts = dts;
+
+ encode_frame(frame, quicksync_encoding_frame_num, quicksync_display_frame_num, gop_start_display_frame_num, frame_type, frame.pts, dts, frame.duration, frame.ycbcr_coefficients);
+ ++quicksync_encoding_frame_num;
+ }
}
}
void QuickSyncEncoderImpl::encode_remaining_frames_as_p(int encoding_frame_num, int gop_start_display_frame_num, int64_t last_dts)
{
- if (pending_video_frames.empty()) {
+ if (reorder_buffer.empty()) {
return;
}
- for (auto &pending_frame : pending_video_frames) {
+ for (auto &pending_frame : reorder_buffer) {
int display_frame_num = pending_frame.first;
assert(display_frame_num > 0);
PendingFrame frame = move(pending_frame.second);
int64_t dts = last_dts + (TIMEBASE / MAX_FPS);
printf("Finalizing encode: Encoding leftover frame %d as P-frame instead of B-frame.\n", display_frame_num);
- encode_frame(frame, encoding_frame_num++, display_frame_num, gop_start_display_frame_num, FRAME_P, frame.pts, dts, frame.duration);
+ encode_frame(frame, encoding_frame_num++, display_frame_num, gop_start_display_frame_num, FRAME_P, frame.pts, dts, frame.duration, frame.ycbcr_coefficients);
last_dts = dts;
}
-
- if (global_flags.uncompressed_video_to_http ||
- global_flags.x264_video_to_http) {
- // Add frames left in reorderer.
- while (!reorderer->empty()) {
- FrameReorderer::Frame output_frame = reorderer->get_first_frame();
- if (global_flags.uncompressed_video_to_http) {
- add_packet_for_uncompressed_frame(output_frame.pts, output_frame.duration, output_frame.data);
- } else {
- assert(global_flags.x264_video_to_http);
- x264_encoder->add_frame(output_frame.pts, output_frame.duration, output_frame.data, output_frame.received_ts);
- }
- }
- }
}
void QuickSyncEncoderImpl::add_packet_for_uncompressed_frame(int64_t pts, int64_t duration, const uint8_t *data)
} // namespace
-void QuickSyncEncoderImpl::encode_frame(QuickSyncEncoderImpl::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, int64_t duration)
+void QuickSyncEncoderImpl::pass_frame(QuickSyncEncoderImpl::PendingFrame frame, int display_frame_num, int64_t pts, int64_t duration)
{
// Wait for the GPU to be done with the frame.
GLenum sync_status;
do {
- sync_status = glClientWaitSync(frame.fence.get(), 0, 1000000000);
+ sync_status = glClientWaitSync(frame.fence.get(), 0, 0);
check_error();
+ if (sync_status == GL_TIMEOUT_EXPIRED) {
+ // NVIDIA likes to busy-wait; yield instead.
+ this_thread::sleep_for(milliseconds(1));
+ }
} while (sync_status == GL_TIMEOUT_EXPIRED);
assert(sync_status != GL_WAIT_FAILED);
- // Find min and max timestamp of all input frames that have a timestamp.
- steady_clock::time_point min_ts = steady_clock::time_point::max(), max_ts = steady_clock::time_point::min();
- for (const RefCountedFrame &input_frame : frame.input_frames) {
- if (input_frame && input_frame->received_timestamp > steady_clock::time_point::min()) {
- min_ts = min(min_ts, input_frame->received_timestamp);
- max_ts = max(max_ts, input_frame->received_timestamp);
- }
- }
- const ReceivedTimestamps received_ts{ min_ts, max_ts };
+ ReceivedTimestamps received_ts = find_received_timestamp(frame.input_frames);
+ static int frameno = 0;
+ print_latency("Current mixer latency (video inputs → ready for encode):",
+ received_ts, false, &frameno, &mixer_latency_histogram);
// Release back any input frames we needed to render this frame.
frame.input_frames.clear();
- GLSurface *surf = &gl_surfaces[display_frame_num % SURFACE_NUM];
+ GLSurface *surf;
+ {
+ unique_lock<mutex> lock(storage_task_queue_mutex);
+ surf = surface_for_frame[display_frame_num];
+ assert(surf != nullptr);
+ }
+ uint8_t *data = reinterpret_cast<uint8_t *>(surf->y_ptr);
+ if (global_flags.uncompressed_video_to_http) {
+ add_packet_for_uncompressed_frame(pts, duration, data);
+ } else if (global_flags.x264_video_to_http || global_flags.x264_video_to_disk) {
+ x264_encoder->add_frame(pts, duration, frame.ycbcr_coefficients, data, received_ts);
+ }
+}
+
+void QuickSyncEncoderImpl::encode_frame(QuickSyncEncoderImpl::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, int64_t duration, YCbCrLumaCoefficients ycbcr_coefficients)
+{
+ const ReceivedTimestamps received_ts = find_received_timestamp(frame.input_frames);
+
+ GLSurface *surf;
+ {
+ unique_lock<mutex> lock(storage_task_queue_mutex);
+ surf = surface_for_frame[display_frame_num];
+ assert(surf != nullptr);
+ }
VAStatus va_status;
if (use_zerocopy) {
va_status = vaReleaseBufferHandle(va_dpy, surf->surface_image.buf);
CHECK_VASTATUS(va_status, "vaReleaseBufferHandle");
} else {
+ // Upload the frame to VA-API.
unsigned char *surface_p = nullptr;
vaMapBuffer(va_dpy, surf->surface_image.buf, (void **)&surface_p);
va_status = vaUnmapBuffer(va_dpy, surf->surface_image.buf);
CHECK_VASTATUS(va_status, "vaUnmapBuffer");
-
- if (global_flags.uncompressed_video_to_http ||
- global_flags.x264_video_to_http) {
- // Add uncompressed video. (Note that pts == dts here.)
- // Delay needs to match audio.
- FrameReorderer::Frame output_frame = reorderer->reorder_frame(pts + global_delay(), duration, reinterpret_cast<uint8_t *>(surf->y_ptr), received_ts);
- if (output_frame.data != nullptr) {
- if (global_flags.uncompressed_video_to_http) {
- add_packet_for_uncompressed_frame(output_frame.pts, output_frame.duration, output_frame.data);
- } else {
- assert(global_flags.x264_video_to_http);
- x264_encoder->add_frame(output_frame.pts, output_frame.duration, output_frame.data, output_frame.received_ts);
- }
- }
- }
}
- static int frameno = 0;
- print_latency("Current mixer latency (video inputs → ready for encode):",
- received_ts, (frame_type == FRAME_B), &frameno);
-
va_status = vaDestroyImage(va_dpy, surf->surface_image.image_id);
CHECK_VASTATUS(va_status, "vaDestroyImage");
// FIXME: If the mux wants global headers, we should not put the
// SPS/PPS before each IDR frame, but rather put it into the
// codec extradata (formatted differently?).
+ //
+ // NOTE: If we change ycbcr_coefficients, it will not take effect
+ // before the next IDR frame. This is acceptable, as it should only
+ // happen on a mode change, which is rare.
render_sequence();
- render_picture(frame_type, display_frame_num, gop_start_display_frame_num);
+ render_picture(surf, frame_type, display_frame_num, gop_start_display_frame_num);
if (h264_packedheader) {
- render_packedsequence();
+ render_packedsequence(ycbcr_coefficients);
render_packedpicture();
}
} else {
//render_sequence();
- render_picture(frame_type, display_frame_num, gop_start_display_frame_num);
+ render_picture(surf, frame_type, display_frame_num, gop_start_display_frame_num);
}
render_slice(encoding_frame_num, display_frame_num, gop_start_display_frame_num, frame_type);
va_status = vaEndPicture(va_dpy, context_id);
CHECK_VASTATUS(va_status, "vaEndPicture");
+ update_ReferenceFrames(display_frame_num, frame_type);
+
+ vector<size_t> ref_display_frame_numbers;
+
+ // Lock the references for this frame; otherwise, they could be
+ // rendered to before this frame is done encoding.
+ {
+ unique_lock<mutex> lock(storage_task_queue_mutex);
+ for (const ReferenceFrame &frame : reference_frames) {
+ assert(surface_for_frame.count(frame.display_number));
+ ++surface_for_frame[frame.display_number]->refcount;
+ ref_display_frame_numbers.push_back(frame.display_number);
+ }
+ }
+
// so now the data is done encoding (well, async job kicked off)...
// we send that to the storage thread
storage_task tmp;
tmp.pts = pts;
tmp.dts = dts;
tmp.duration = duration;
+ tmp.ycbcr_coefficients = ycbcr_coefficients;
tmp.received_ts = received_ts;
+ tmp.ref_display_frame_numbers = move(ref_display_frame_numbers);
storage_task_enqueue(move(tmp));
-
- update_ReferenceFrames(frame_type);
}
// Proxy object.
-QuickSyncEncoder::QuickSyncEncoder(const std::string &filename, movit::ResourcePool *resource_pool, QSurface *surface, const string &va_display, int width, int height, AVOutputFormat *oformat, X264Encoder *x264_encoder, DiskSpaceEstimator *disk_space_estimator)
+QuickSyncEncoder::QuickSyncEncoder(const std::string &filename, ResourcePool *resource_pool, QSurface *surface, const string &va_display, int width, int height, AVOutputFormat *oformat, X264Encoder *x264_encoder, DiskSpaceEstimator *disk_space_estimator)
: impl(new QuickSyncEncoderImpl(filename, resource_pool, surface, va_display, width, height, oformat, x264_encoder, disk_space_estimator)) {}
// Must be defined here because unique_ptr<> destructor needs to know the impl.
impl->add_audio(pts, audio);
}
-bool QuickSyncEncoder::begin_frame(GLuint *y_tex, GLuint *cbcr_tex)
+bool QuickSyncEncoder::is_zerocopy() const
{
- return impl->begin_frame(y_tex, cbcr_tex);
+ return impl->is_zerocopy();
}
-RefCountedGLsync QuickSyncEncoder::end_frame(int64_t pts, int64_t duration, const vector<RefCountedFrame> &input_frames)
+bool QuickSyncEncoder::begin_frame(int64_t pts, int64_t duration, YCbCrLumaCoefficients ycbcr_coefficients, const vector<RefCountedFrame> &input_frames, GLuint *y_tex, GLuint *cbcr_tex)
{
- return impl->end_frame(pts, duration, input_frames);
+ return impl->begin_frame(pts, duration, ycbcr_coefficients, input_frames, y_tex, cbcr_tex);
+}
+
+RefCountedGLsync QuickSyncEncoder::end_frame()
+{
+ return impl->end_frame();
}
void QuickSyncEncoder::shutdown()
impl->shutdown();
}
+void QuickSyncEncoder::close_file()
+{
+ impl->shutdown();
+}
+
void QuickSyncEncoder::set_stream_mux(Mux *mux)
{
impl->set_stream_mux(mux);
projects / nageru / blobdiff