#include "bmusb.h"
#include "h264encode.h"
#include "pbo_frame_allocator.h"
+#include "ref_counted_frame.h"
#include "ref_counted_gl_sync.h"
#define NUM_CARDS 2
enum Output {
OUTPUT_LIVE = 0,
+ OUTPUT_PREVIEW,
NUM_OUTPUTS
};
output_channel[output].set_frame_ready_callback(callback);
}
+ // Ignored for OUTPUT_LIVE.
+ void set_preview_size(Output output, int width, int height)
+ {
+ output_channel[output].set_size(width, height);
+ }
+
private:
void bm_frame(int card_index, uint16_t timecode,
FrameAllocator::Frame video_frame, size_t video_offset, uint16_t video_format,
QSurface *mixer_surface, *h264_encoder_surface;
std::unique_ptr<movit::ResourcePool> resource_pool;
std::unique_ptr<movit::EffectChain> chain;
+ std::unique_ptr<movit::EffectChain> preview_chain;
GLuint cbcr_program_num; // Owned by <resource_pool>.
std::unique_ptr<H264Encoder> h264_encoder;
movit::Effect *resample_effect, *resample2_effect;
movit::Effect *padding_effect, *padding2_effect;
+ // Effects part of <preview_chain>. Owned by <preview_chain>.
+ movit::YCbCrInput *preview_input;
+
Source current_source = SOURCE_INPUT1;
int frame = 0;
QOpenGLContext *context;
bool new_data_ready = false; // Whether new_frame contains anything.
- FrameAllocator::Frame new_frame;
+ RefCountedFrame new_frame;
GLsync new_data_ready_fence; // Whether new_frame is ready for rendering.
std::condition_variable new_data_ready_changed; // Set whenever new_data_ready is changed.
};
CaptureCard cards[NUM_CARDS]; // protected by <bmusb_mutex>
- FrameAllocator::Frame bmusb_current_rendering_frame[NUM_CARDS];
+ RefCountedFrame bmusb_current_rendering_frame[NUM_CARDS];
class OutputChannel {
public:
void output_frame(GLuint tex, RefCountedGLsync fence);
bool get_display_frame(DisplayFrame *frame);
void set_frame_ready_callback(new_frame_ready_callback_t callback);
+ void set_size(int width, int height); // Ignored for OUTPUT_LIVE.
private:
friend class Mixer;
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;
+
+ int width = 1280, height = 720;
};
OutputChannel output_channel[NUM_OUTPUTS];