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video rendering

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This commit is contained in:
John Alanbrook
2023-05-19 14:55:57 +00:00
parent 630d823591
commit 49271b4a5d
7 changed files with 88 additions and 81 deletions
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84
source/engine/datastream.c
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@@ -14,24 +14,26 @@
#include <stdbool.h>
#include <stdlib.h>
struct shader *vid_shader;
#include "sokol/sokol_gfx.h"
sg_shader vid_shader;
sg_pipeline vid_pipeline;
sg_bindings vid_bind;
static void ds_update_texture(uint32_t unit, uint32_t texture, plm_plane_t *plane) {
/*
glActiveTexture(unit);
glBindTexture(GL_TEXTURE_2D, texture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RED, plane->width, plane->height, 0, GL_RED, GL_UNSIGNED_BYTE, plane->data);
*/
}
static void render_frame(plm_t *mpeg, plm_frame_t *frame, void *user) {
struct datastream *ds = user;
shader_use(ds->shader);
/*
ds_update_texture(GL_TEXTURE0, ds->texture_y, &frame->y);
ds_update_texture(GL_TEXTURE1, ds->texture_cb, &frame->cb);
ds_update_texture(GL_TEXTURE2, ds->texture_cr, &frame->cr);
*/
uint8_t rgb[frame->height*frame->width*4];
plm_frame_to_rgba(frame, rgb, frame->width*4);
sg_image_data imgd;
sg_range ir = {
.ptr = rgb,
.size = frame->height*frame->width*4*sizeof(uint8_t)
};
imgd.subimage[0][0] = ir;
sg_update_image(ds->img, &imgd);
}
static void render_audio(plm_t *mpeg, plm_samples_t *samples, void *user) {
@@ -44,16 +46,6 @@ static void render_audio(plm_t *mpeg, plm_samples_t *samples, void *user) {
}
}
struct Texture *ds_maketexture(struct datastream *ds) {
/*
struct Texture *new = malloc(sizeof(*new));
new->id = ds->texture_cb;
new->width = 500;
new->height = 500;
return new;
*/
}
void ds_openvideo(struct datastream *ds, const char *video, const char *adriver) {
// ds_stop(ds);
char buf[MAXPATH] = {'\0'};
@@ -64,6 +56,11 @@ void ds_openvideo(struct datastream *ds, const char *video, const char *adriver)
YughLog(0, 0, "Couldn't open %s", video);
}
ds->img = sg_make_image(&(sg_image_desc){
.width = plm_get_width(ds->plm),
.height = plm_get_height(ds->plm)
});
YughLog(0, 0, "Opened %s - framerate: %f, samplerate: %d, audio streams: %i, duration: %f",
video,
plm_get_framerate(ds->plm),
@@ -107,37 +104,14 @@ void ds_openvideo(struct datastream *ds, const char *video, const char *adriver)
}
struct datastream *MakeDatastream() {
struct datastream *newds = malloc(sizeof(*newds));
/*
if (!vid_shader) vid_shader = MakeShader("videovert.glsl", "videofrag.glsl");
newds->shader = vid_shader;
shader_use(newds->shader);
glGenTextures(1, &newds->texture_y);
glBindTexture(GL_TEXTURE_2D, newds->texture_y);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
shader_setint(newds->shader, "texture_y", 0);
glGenTextures(1, &newds->texture_cb);
glBindTexture(GL_TEXTURE_2D, newds->texture_cb);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
shader_setint(newds->shader, "texture_cb", 1);
glGenTextures(1, &newds->texture_cr);
glBindTexture(GL_TEXTURE_2D, newds->texture_cr);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
shader_setint(newds->shader, "texture_cr", 2);
*/
return newds;
vid_shader = sg_make_shader(&(sg_shader_desc){
.vs.source = slurp_text("shaders/videovert.glsl"),
.fs.source = slurp_text("shaders/videofrag.glsl"),
.fs.images[0] = {
.name = "video",
.image_type = SG_IMAGETYPE_2D,
.sampler_type = SG_SAMPLERTYPE_FLOAT
}});
}
void ds_advance(struct datastream *ds, double s) {