init

include/encoder/encoder.h

@@ -0,0 +1,43 @@
+#ifndef GSR_ENCODER_H
+#define GSR_ENCODER_H
+
+#include "../replay_buffer/replay_buffer.h"
+#include <stdbool.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <pthread.h>
+
+#define GSR_MAX_RECORDING_DESTINATIONS 128
+
+typedef struct AVCodecContext AVCodecContext;
+typedef struct AVFormatContext AVFormatContext;
+typedef struct AVStream AVStream;
+
+typedef struct {
+    size_t id;
+    AVCodecContext *codec_context;
+    AVFormatContext *format_context;
+    AVStream *stream;
+    int64_t start_pts;
+    bool has_received_keyframe;
+} gsr_encoder_recording_destination;
+
+typedef struct {
+    gsr_replay_buffer *replay_buffer;
+    pthread_mutex_t file_write_mutex;
+    bool mutex_created;
+
+    gsr_encoder_recording_destination recording_destinations[GSR_MAX_RECORDING_DESTINATIONS];
+    size_t num_recording_destinations;
+    size_t recording_destination_id_counter;
+} gsr_encoder;
+
+bool gsr_encoder_init(gsr_encoder *self, gsr_replay_storage replay_storage, size_t replay_buffer_num_packets, double replay_buffer_time, const char *replay_directory);
+void gsr_encoder_deinit(gsr_encoder *self);
+
+void gsr_encoder_receive_packets(gsr_encoder *self, AVCodecContext *codec_context, int64_t pts, int stream_index);
+/* Returns the id to the recording destination, or -1 on error */
+size_t gsr_encoder_add_recording_destination(gsr_encoder *self, AVCodecContext *codec_context, AVFormatContext *format_context, AVStream *stream, int64_t start_pts);
+bool gsr_encoder_remove_recording_destination(gsr_encoder *self, size_t id);
+
+#endif /* GSR_ENCODER_H */

include/encoder/video/nvenc.h

@@ -0,0 +1,16 @@
+#ifndef GSR_ENCODER_VIDEO_NVENC_H
+#define GSR_ENCODER_VIDEO_NVENC_H
+
+#include "video.h"
+
+typedef struct gsr_egl gsr_egl;
+
+typedef struct {
+    gsr_egl *egl;
+    bool overclock;
+    gsr_color_depth color_depth;
+} gsr_video_encoder_nvenc_params;
+
+gsr_video_encoder* gsr_video_encoder_nvenc_create(const gsr_video_encoder_nvenc_params *params);
+
+#endif /* GSR_ENCODER_VIDEO_NVENC_H */

include/encoder/video/software.h

@@ -0,0 +1,15 @@
+#ifndef GSR_ENCODER_VIDEO_SOFTWARE_H
+#define GSR_ENCODER_VIDEO_SOFTWARE_H
+
+#include "video.h"
+
+typedef struct gsr_egl gsr_egl;
+
+typedef struct {
+    gsr_egl *egl;
+    gsr_color_depth color_depth;
+} gsr_video_encoder_software_params;
+
+gsr_video_encoder* gsr_video_encoder_software_create(const gsr_video_encoder_software_params *params);
+
+#endif /* GSR_ENCODER_VIDEO_SOFTWARE_H */

include/encoder/video/vaapi.h

@@ -0,0 +1,15 @@
+#ifndef GSR_ENCODER_VIDEO_VAAPI_H
+#define GSR_ENCODER_VIDEO_VAAPI_H
+
+#include "video.h"
+
+typedef struct gsr_egl gsr_egl;
+
+typedef struct {
+    gsr_egl *egl;
+    gsr_color_depth color_depth;
+} gsr_video_encoder_vaapi_params;
+
+gsr_video_encoder* gsr_video_encoder_vaapi_create(const gsr_video_encoder_vaapi_params *params);
+
+#endif /* GSR_ENCODER_VIDEO_VAAPI_H */

include/encoder/video/video.h

@@ -0,0 +1,30 @@
+#ifndef GSR_ENCODER_VIDEO_H
+#define GSR_ENCODER_VIDEO_H
+
+#include "../../color_conversion.h"
+#include <stdbool.h>
+
+#define GSR_MAX_RECORDING_DESTINATIONS 128
+
+typedef struct gsr_video_encoder gsr_video_encoder;
+typedef struct AVCodecContext AVCodecContext;
+typedef struct AVFrame AVFrame;
+
+struct gsr_video_encoder {
+    bool (*start)(gsr_video_encoder *encoder, AVCodecContext *video_codec_context, AVFrame *frame);
+    void (*destroy)(gsr_video_encoder *encoder, AVCodecContext *video_codec_context);
+    void (*copy_textures_to_frame)(gsr_video_encoder *encoder, AVFrame *frame, gsr_color_conversion *color_conversion); /* Can be NULL */
+    /* |textures| should be able to fit 2 elements */
+    void (*get_textures)(gsr_video_encoder *encoder, unsigned int *textures, vec2i *texture_sizes, int *num_textures, gsr_destination_color *destination_color);
+
+    void *priv;
+    bool started;
+};
+
+/* Set |replay_buffer_time_seconds| and |fps| to 0 to disable replay buffer */
+bool gsr_video_encoder_start(gsr_video_encoder *encoder, AVCodecContext *video_codec_context, AVFrame *frame);
+void gsr_video_encoder_destroy(gsr_video_encoder *encoder, AVCodecContext *video_codec_context);
+void gsr_video_encoder_copy_textures_to_frame(gsr_video_encoder *encoder, AVFrame *frame, gsr_color_conversion *color_conversion);
+void gsr_video_encoder_get_textures(gsr_video_encoder *encoder, unsigned int *textures, vec2i *texture_sizes, int *num_textures, gsr_destination_color *destination_color);
+
+#endif /* GSR_ENCODER_VIDEO_H */

include/encoder/video/vulkan.h

@@ -0,0 +1,15 @@
+#ifndef GSR_ENCODER_VIDEO_VULKAN_H
+#define GSR_ENCODER_VIDEO_VULKAN_H
+
+#include "video.h"
+
+typedef struct gsr_egl gsr_egl;
+
+typedef struct {
+    gsr_egl *egl;
+    gsr_color_depth color_depth;
+} gsr_video_encoder_vulkan_params;
+
+gsr_video_encoder* gsr_video_encoder_vulkan_create(const gsr_video_encoder_vulkan_params *params);
+
+#endif /* GSR_ENCODER_VIDEO_VULKAN_H */