#include "bmusb/bmusb.h"
#include "alsa_output.h"
#include "ebu_r128_proc.h"
-#include "h264encode.h"
+#include "video_encoder.h"
#include "httpd.h"
#include "pbo_frame_allocator.h"
#include "ref_counted_frame.h"
#include "input_state.h"
#include "correlation_measurer.h"
-class H264Encoder;
+class QuickSyncEncoder;
class QSurface;
namespace movit {
class Effect;
namespace movit {
class YCbCrInput;
}
-class QOpenGLContext;
class QSurfaceFormat;
// For any card that's not the master (where we pick out the frames as they
//
// N is reduced as follows: If the queue has had at least one spare frame for
// at least 50 (master) frames (ie., it's been too conservative for a second),
-// we reduce N by 1 and reset the timers.
+// we reduce N by 1 and reset the timers. TODO: Only do this if N ever actually
+// touched the limit.
//
-// Whenever the queue is starved (we needed a frame but there was none), N was
-// obviously too low, so we increment N. We will never set N above 5, though.
+// Whenever the queue is starved (we needed a frame but there was none),
+// and we've been at N since the last starvation, N was obviously too low,
+// so we increment it. We will never set N above 5, though.
class QueueLengthPolicy {
public:
QueueLengthPolicy() {}
this->card_index = card_index;
safe_queue_length = 0;
frames_with_at_least_one = 0;
+ been_at_safe_point_since_last_starvation = false;
}
void update_policy(int queue_length); // Give in -1 for starvation.
unsigned card_index; // For debugging only.
unsigned safe_queue_length = 0; // Called N in the comments.
unsigned frames_with_at_least_one = 0;
+ bool been_at_safe_point_since_last_starvation = false;
};
class Mixer {
output_channel[output].set_frame_ready_callback(callback);
}
+ // TODO: Should this really be per-channel? Shouldn't it just be called for e.g. the live output?
+ typedef std::function<void(const std::vector<std::string> &)> transition_names_updated_callback_t;
+ void set_transition_names_updated_callback(Output output, transition_names_updated_callback_t callback)
+ {
+ output_channel[output].set_transition_names_updated_callback(callback);
+ }
+
+ typedef std::function<void(const std::string &)> name_updated_callback_t;
+ void set_name_updated_callback(Output output, name_updated_callback_t callback)
+ {
+ output_channel[output].set_name_updated_callback(callback);
+ }
+
+ typedef std::function<void(const std::string &)> color_updated_callback_t;
+ void set_color_updated_callback(Output output, color_updated_callback_t callback)
+ {
+ output_channel[output].set_color_updated_callback(callback);
+ }
+
typedef std::function<void(float level_lufs, float peak_db,
float global_level_lufs, float range_low_lufs, float range_high_lufs,
float gain_staging_db, float final_makeup_gain_db,
return theme->get_channel_name(channel);
}
+ std::string get_channel_color(unsigned channel) const
+ {
+ return theme->get_channel_color(channel);
+ }
+
int get_channel_signal(unsigned channel) const
{
return theme->get_channel_signal(channel);
audio_source_channel = channel;
}
+ unsigned get_master_clock() const
+ {
+ return master_clock_channel;
+ }
+
+ void set_master_clock(unsigned channel)
+ {
+ master_clock_channel = channel;
+ }
+
void set_signal_mapping(int signal, int card)
{
return theme->set_signal_mapping(signal, card);
locut_enabled = enabled;
}
+ bool get_locut_enabled() const
+ {
+ return locut_enabled;
+ }
+
float get_limiter_threshold_dbfs()
{
return limiter_threshold_dbfs;
limiter_enabled = enabled;
}
+ bool get_limiter_enabled() const
+ {
+ return limiter_enabled;
+ }
+
void set_compressor_enabled(bool enabled)
{
compressor_enabled = enabled;
}
+ bool get_compressor_enabled() const
+ {
+ return compressor_enabled;
+ }
+
void set_gain_staging_db(float gain_db)
{
std::unique_lock<std::mutex> lock(compressor_mutex);
gain_staging_db = gain_db;
}
+ float get_gain_staging_db() const
+ {
+ std::unique_lock<std::mutex> lock(compressor_mutex);
+ return gain_staging_db;
+ }
+
void set_gain_staging_auto(bool enabled)
{
std::unique_lock<std::mutex> lock(compressor_mutex);
level_compressor_enabled = enabled;
}
+ bool get_gain_staging_auto() const
+ {
+ std::unique_lock<std::mutex> lock(compressor_mutex);
+ return level_compressor_enabled;
+ }
+
void set_final_makeup_gain_db(float gain_db)
{
std::unique_lock<std::mutex> lock(compressor_mutex);
final_makeup_gain_auto = enabled;
}
+ bool get_final_makeup_gain_auto() const
+ {
+ std::unique_lock<std::mutex> lock(compressor_mutex);
+ return final_makeup_gain_auto;
+ }
+
void schedule_cut()
{
should_cut = true;
return cards[card_index].capture->get_description();
}
- std::map<uint32_t, VideoMode> get_available_video_modes(unsigned card_index) const {
+ std::map<uint32_t, bmusb::VideoMode> get_available_video_modes(unsigned card_index) const {
assert(card_index < num_cards);
return cards[card_index].capture->get_available_video_modes();
}
cards[card_index].capture->set_audio_input(input);
}
+ void change_x264_bitrate(unsigned rate_kbit) {
+ video_encoder->change_x264_bitrate(rate_kbit);
+ }
+
private:
- void configure_card(unsigned card_index, const QSurfaceFormat &format, CaptureInterface *capture);
+ void configure_card(unsigned card_index, bmusb::CaptureInterface *capture, bool is_fake_capture);
void bm_frame(unsigned card_index, uint16_t timecode,
- FrameAllocator::Frame video_frame, size_t video_offset, VideoFormat video_format,
- FrameAllocator::Frame audio_frame, size_t audio_offset, AudioFormat audio_format);
+ bmusb::FrameAllocator::Frame video_frame, size_t video_offset, bmusb::VideoFormat video_format,
+ bmusb::FrameAllocator::Frame audio_frame, size_t audio_offset, bmusb::AudioFormat audio_format);
+ void bm_hotplug_add(libusb_device *dev);
+ void bm_hotplug_remove(unsigned card_index);
void place_rectangle(movit::Effect *resample_effect, movit::Effect *padding_effect, float x0, float y0, float x1, float y1);
void thread_func();
- void render_one_frame();
+ void handle_hotplugged_cards();
+ void schedule_audio_resampling_tasks(unsigned dropped_frames, int num_samples_per_frame, int length_per_frame);
+ void render_one_frame(int64_t duration);
+ void send_audio_level_callback();
void audio_thread_func();
void process_audio_one_frame(int64_t frame_pts_int, int num_samples);
void subsample_chroma(GLuint src_tex, GLuint dst_dst);
std::unique_ptr<movit::ResourcePool> resource_pool;
std::unique_ptr<Theme> theme;
std::atomic<unsigned> audio_source_channel{0};
+ std::atomic<unsigned> master_clock_channel{0};
std::unique_ptr<movit::EffectChain> display_chain;
GLuint cbcr_program_num; // Owned by <resource_pool>.
GLuint cbcr_vbo; // Holds position and texcoord data.
GLuint cbcr_position_attribute_index, cbcr_texcoord_attribute_index;
- std::unique_ptr<H264Encoder> h264_encoder;
+ std::unique_ptr<VideoEncoder> video_encoder;
// Effects part of <display_chain>. Owned by <display_chain>.
movit::FlatInput *display_input;
int64_t pts_int = 0; // In TIMEBASE units.
std::mutex bmusb_mutex;
+ bool has_bmusb_thread = false;
struct CaptureCard {
- CaptureInterface *capture;
+ bmusb::CaptureInterface *capture = nullptr;
+ bool is_fake_capture;
std::unique_ptr<PBOFrameAllocator> frame_allocator;
// Stuff for the OpenGL context (for texture uploading).
- QSurface *surface;
- QOpenGLContext *context;
+ QSurface *surface = nullptr;
struct NewFrame {
RefCountedFrame frame;
int64_t length; // In TIMEBASE units.
bool interlaced;
unsigned field; // Which field (0 or 1) of the frame to use. Always 0 for progressive.
- GLsync ready_fence; // Whether frame is ready for rendering.
+ std::function<void()> upload_func; // Needs to be called to actually upload the texture to OpenGL.
unsigned dropped_frames = 0; // Number of dropped frames before this one.
};
std::queue<NewFrame> new_frames;
int64_t next_local_pts = 0; // Beginning of next frame, in TIMEBASE units.
};
CaptureCard cards[MAX_CARDS]; // protected by <bmusb_mutex>
+ void get_one_frame_from_each_card(unsigned master_card_index, CaptureCard::NewFrame new_frames[MAX_CARDS], bool has_new_frame[MAX_CARDS], int num_samples[MAX_CARDS]);
InputState input_state;
+ // Cards we have been noticed about being hotplugged, but haven't tried adding yet.
+ // Protected by its own mutex.
+ std::mutex hotplug_mutex;
+ std::vector<libusb_device *> hotplugged_cards;
+
class OutputChannel {
public:
~OutputChannel();
void output_frame(DisplayFrame frame);
bool get_display_frame(DisplayFrame *frame);
void set_frame_ready_callback(new_frame_ready_callback_t callback);
+ void set_transition_names_updated_callback(transition_names_updated_callback_t callback);
+ void set_name_updated_callback(name_updated_callback_t callback);
+ void set_color_updated_callback(color_updated_callback_t callback);
private:
friend class Mixer;
+ unsigned channel;
Mixer *parent = nullptr; // Not owned.
std::mutex frame_mutex;
DisplayFrame current_frame, ready_frame; // protected by <frame_mutex>
bool has_current_frame = false, has_ready_frame = false; // protected by <frame_mutex>
new_frame_ready_callback_t new_frame_ready_callback;
- bool has_new_frame_ready_callback = false;
+ transition_names_updated_callback_t transition_names_updated_callback;
+ name_updated_callback_t name_updated_callback;
+ color_updated_callback_t color_updated_callback;
+
+ std::vector<std::string> last_transition_names;
+ std::string last_name, last_color;
};
OutputChannel output_channel[NUM_OUTPUTS];
std::atomic<bool> should_cut{false};
audio_level_callback_t audio_level_callback = nullptr;
- std::mutex compressor_mutex;
+ mutable std::mutex compressor_mutex;
Ebu_r128_proc r128; // Under compressor_mutex.
CorrelationMeasurer correlation; // Under compressor_mutex.
};
extern Mixer *global_mixer;
+extern bool uses_mlock;
#endif // !defined(_MIXER_H)
projects / nageru / blobdiff