1 #ifndef _QUICKSYNC_ENCODER_IMPL_H
2 #define _QUICKSYNC_ENCODER_IMPL_H 1
7 #include <condition_variable>
16 #include "audio_encoder.h"
19 #include "print_latency.h"
21 #define SURFACE_NUM 16 /* 16 surfaces for source YUV */
22 #define MAX_NUM_REF1 16 // Seemingly a hardware-fixed value, not related to SURFACE_NUM
23 #define MAX_NUM_REF2 32 // Seemingly a hardware-fixed value, not related to SURFACE_NUM
28 int max_size_in_dword;
30 typedef struct __bitstream bitstream;
32 class QuickSyncEncoderImpl {
34 QuickSyncEncoderImpl(const std::string &filename, movit::ResourcePool *resource_pool, QSurface *surface, const std::string &va_display, int width, int height, AVOutputFormat *oformat, X264Encoder *x264_encoder, DiskSpaceEstimator *disk_space_estimator);
35 ~QuickSyncEncoderImpl();
36 void add_audio(int64_t pts, std::vector<float> audio);
37 bool begin_frame(GLuint *y_tex, GLuint *cbcr_tex);
38 RefCountedGLsync end_frame(int64_t pts, int64_t duration, const std::vector<RefCountedFrame> &input_frames);
40 void release_gl_resources();
41 void set_stream_mux(Mux *mux)
46 // So we never get negative dts.
47 int64_t global_delay() const {
48 return int64_t(ip_period - 1) * (TIMEBASE / MAX_FPS);
53 unsigned long long display_order;
55 std::vector<float> audio;
56 int64_t pts, dts, duration;
57 ReceivedTimestamps received_ts;
60 RefCountedGLsync fence;
61 std::vector<RefCountedFrame> input_frames;
62 int64_t pts, duration;
65 void open_output_file(const std::string &filename);
66 void encode_thread_func();
67 void encode_remaining_frames_as_p(int encoding_frame_num, int gop_start_display_frame_num, int64_t last_dts);
68 void add_packet_for_uncompressed_frame(int64_t pts, int64_t duration, const uint8_t *data);
69 void pass_frame(PendingFrame frame, int display_frame_num, int64_t pts, int64_t duration);
70 void encode_frame(PendingFrame frame, int encoding_frame_num, int display_frame_num, int gop_start_display_frame_num,
71 int frame_type, int64_t pts, int64_t dts, int64_t duration);
72 void storage_task_thread();
73 void storage_task_enqueue(storage_task task);
74 void save_codeddata(storage_task task);
75 int render_packedsequence();
76 int render_packedpicture();
77 void render_packedslice();
78 int render_sequence();
79 int render_picture(int frame_type, int display_frame_num, int gop_start_display_frame_num);
80 void sps_rbsp(bitstream *bs);
81 void pps_rbsp(bitstream *bs);
82 int build_packed_pic_buffer(unsigned char **header_buffer);
83 int render_slice(int encoding_frame_num, int display_frame_num, int gop_start_display_frame_num, int frame_type);
84 void slice_header(bitstream *bs);
85 int build_packed_seq_buffer(unsigned char **header_buffer);
86 int build_packed_slice_buffer(unsigned char **header_buffer);
87 int init_va(const std::string &va_display);
89 void enable_zerocopy_if_possible();
90 VADisplay va_open_display(const std::string &va_display);
91 void va_close_display(VADisplay va_dpy);
93 void release_encode();
94 void update_ReferenceFrames(int frame_type);
95 int update_RefPicList(int frame_type);
97 bool is_shutdown = false;
98 bool has_released_gl_resources = false;
102 std::thread encode_thread, storage_thread;
104 std::mutex storage_task_queue_mutex;
105 std::condition_variable storage_task_queue_changed;
106 int srcsurface_status[SURFACE_NUM]; // protected by storage_task_queue_mutex
107 std::queue<storage_task> storage_task_queue; // protected by storage_task_queue_mutex
108 bool storage_thread_should_quit = false; // protected by storage_task_queue_mutex
110 std::mutex frame_queue_mutex;
111 std::condition_variable frame_queue_nonempty;
112 bool encode_thread_should_quit = false; // under frame_queue_mutex
114 int current_storage_frame;
116 std::queue<PendingFrame> pending_video_frames; // under frame_queue_mutex
117 movit::ResourcePool *resource_pool;
120 // Frames that are done rendering and passed on to x264 (if enabled),
121 // but have not been encoded by Quick Sync yet, and thus also not freed.
122 // The key is the display frame number.
123 std::map<int, PendingFrame> reorder_buffer;
124 int quicksync_encoding_frame_num = 0;
126 std::unique_ptr<AudioEncoder> file_audio_encoder;
128 X264Encoder *x264_encoder; // nullptr if not using x264.
130 Mux* stream_mux = nullptr; // To HTTP.
131 std::unique_ptr<Mux> file_mux; // To local disk.
133 Display *x11_display = nullptr;
135 // Encoder parameters
137 VAProfile h264_profile = (VAProfile)~0;
138 VAConfigAttrib config_attrib[VAConfigAttribTypeMax];
139 int config_attrib_num = 0, enc_packed_header_idx;
142 VASurfaceID src_surface, ref_surface;
143 VABufferID coded_buf;
145 VAImage surface_image;
146 GLuint y_tex, cbcr_tex;
148 // Only if use_zerocopy == true.
149 EGLImage y_egl_image, cbcr_egl_image;
151 // Only if use_zerocopy == false.
153 uint8_t *y_ptr, *cbcr_ptr;
154 size_t y_offset, cbcr_offset;
156 GLSurface gl_surfaces[SURFACE_NUM];
158 VAConfigID config_id;
159 VAContextID context_id;
160 VAEncSequenceParameterBufferH264 seq_param;
161 VAEncPictureParameterBufferH264 pic_param;
162 VAEncSliceParameterBufferH264 slice_param;
163 VAPictureH264 CurrentCurrPic;
164 VAPictureH264 ReferenceFrames[MAX_NUM_REF1], RefPicList0_P[MAX_NUM_REF2], RefPicList0_B[MAX_NUM_REF2], RefPicList1_B[MAX_NUM_REF2];
166 // Static quality settings.
167 static constexpr unsigned int frame_bitrate = 15000000 / 60; // Doesn't really matter; only initial_qp does.
168 static constexpr unsigned int num_ref_frames = 2;
169 static constexpr int initial_qp = 15;
170 static constexpr int minimal_qp = 0;
171 static constexpr int intra_period = 30;
172 static constexpr int intra_idr_period = MAX_FPS; // About a second; more at lower frame rates. Not ideal.
174 // Quality settings that are meant to be static, but might be overridden
176 int constraint_set_flag = 0;
177 int h264_packedheader = 0; /* support pack header? */
178 int h264_maxref = (1<<16|1);
179 int h264_entropy_mode = 1; /* cabac */
183 unsigned int current_frame_num = 0;
184 unsigned int numShortTerm = 0;
188 int frame_width_mbaligned;
189 int frame_height_mbaligned;
191 DiskSpaceEstimator *disk_space_estimator;
194 #endif // !defined(_QUICKSYNC_ENCODER_IMPL_H)