Make image output lossy (use stb image writer), also significantly improves performance for jpeg

This commit is contained in:
dec05eba
2025-02-22 01:05:29 +01:00
parent fe4cd2bb0e
commit 000da7d640
16 changed files with 2097 additions and 372 deletions

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@@ -13,31 +13,39 @@ typedef struct AVMasteringDisplayMetadata AVMasteringDisplayMetadata;
typedef struct AVContentLightMetadata AVContentLightMetadata;
typedef struct gsr_capture gsr_capture;
typedef struct {
int width;
int height;
int fps;
AVCodecContext *video_codec_context; /* can be NULL */
AVFrame *frame; /* can be NULL, but will never be NULL if |video_codec_context| is set */
} gsr_capture_metadata;
struct gsr_capture {
/* These methods should not be called manually. Call gsr_capture_* instead */
int (*start)(gsr_capture *cap, AVCodecContext *video_codec_context, AVFrame *frame);
int (*start)(gsr_capture *cap, gsr_capture_metadata *capture_metadata);
void (*on_event)(gsr_capture *cap, gsr_egl *egl); /* can be NULL */
void (*tick)(gsr_capture *cap); /* can be NULL. If there is an event then |on_event| is called before this */
bool (*should_stop)(gsr_capture *cap, bool *err); /* can be NULL. If NULL, return false */
int (*capture)(gsr_capture *cap, AVFrame *frame, gsr_color_conversion *color_conversion);
int (*capture)(gsr_capture *cap, gsr_capture_metadata *capture_metadata, gsr_color_conversion *color_conversion);
bool (*uses_external_image)(gsr_capture *cap); /* can be NULL. If NULL, return false */
bool (*set_hdr_metadata)(gsr_capture *cap, AVMasteringDisplayMetadata *mastering_display_metadata, AVContentLightMetadata *light_metadata); /* can be NULL. If NULL, return false */
uint64_t (*get_window_id)(gsr_capture *cap); /* can be NULL. Returns 0 if unknown */
bool (*is_damaged)(gsr_capture *cap); /* can be NULL */
void (*clear_damage)(gsr_capture *cap); /* can be NULL */
void (*destroy)(gsr_capture *cap, AVCodecContext *video_codec_context);
void (*destroy)(gsr_capture *cap);
void *priv; /* can be NULL */
bool started;
};
int gsr_capture_start(gsr_capture *cap, AVCodecContext *video_codec_context, AVFrame *frame);
int gsr_capture_start(gsr_capture *cap, gsr_capture_metadata *capture_metadata);
void gsr_capture_on_event(gsr_capture *cap, gsr_egl *egl);
void gsr_capture_tick(gsr_capture *cap);
bool gsr_capture_should_stop(gsr_capture *cap, bool *err);
int gsr_capture_capture(gsr_capture *cap, AVFrame *frame, gsr_color_conversion *color_conversion);
int gsr_capture_capture(gsr_capture *cap, gsr_capture_metadata *capture_metadata, gsr_color_conversion *color_conversion);
bool gsr_capture_uses_external_image(gsr_capture *cap);
bool gsr_capture_set_hdr_metadata(gsr_capture *cap, AVMasteringDisplayMetadata *mastering_display_metadata, AVContentLightMetadata *light_metadata);
void gsr_capture_destroy(gsr_capture *cap, AVCodecContext *video_codec_context);
void gsr_capture_destroy(gsr_capture *cap);
#endif /* GSR_CAPTURE_CAPTURE_H */

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

31
include/image_writer.h Normal file
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@@ -0,0 +1,31 @@
#ifndef GSR_IMAGE_WRITER_H
#define GSR_IMAGE_WRITER_H
#include <stdbool.h>
typedef struct gsr_egl gsr_egl;
typedef enum {
GSR_IMAGE_FORMAT_JPEG,
GSR_IMAGE_FORMAT_PNG
} gsr_image_format;
typedef enum {
GSR_IMAGE_WRITER_SOURCE_OPENGL
} gsr_image_writer_source;
typedef struct {
gsr_image_writer_source source;
gsr_egl *egl;
int width;
int height;
unsigned int texture;
} gsr_image_writer;
bool gsr_image_writer_init(gsr_image_writer *self, gsr_image_writer_source source, gsr_egl *egl, int width, int height);
void gsr_image_writer_deinit(gsr_image_writer *self);
/* Quality is between 1 and 100 where 100 is the max quality. Quality doesn't apply to lossless formats */
bool gsr_image_writer_write_to_file(gsr_image_writer *self, const char *filepath, gsr_image_format image_format, int quality);
#endif /* GSR_IMAGE_WRITER_H */