159 lines
3.8 KiB
C
159 lines
3.8 KiB
C
#include "datastream.h"
|
|
|
|
#include "config.h"
|
|
#include "dsp.h"
|
|
#include "iir.h"
|
|
#include "limits.h"
|
|
#include "log.h"
|
|
#include "mix.h"
|
|
#include "resources.h"
|
|
#include "shader.h"
|
|
#include "sound.h"
|
|
#include "texture.h"
|
|
#include <stdbool.h>
|
|
#include <stdlib.h>
|
|
#include "font.h"
|
|
#include "render.h"
|
|
|
|
#include "mpeg2.sglsl.h"
|
|
|
|
#define CBUF_IMPLEMENT
|
|
#include "cbuf.h"
|
|
|
|
#include "sokol/sokol_gfx.h"
|
|
|
|
sg_shader vid_shader;
|
|
sg_pipeline vid_pipeline;
|
|
sg_bindings vid_bind;
|
|
|
|
static void render_frame(plm_t *mpeg, plm_frame_t *frame, void *user) {
|
|
struct datastream *ds = user;
|
|
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) {
|
|
struct datastream *ds = user;
|
|
short t;
|
|
|
|
for (int i = 0; i < samples->count * CHANNELS; i++) {
|
|
t = (short)(samples->interleaved[i] * SHRT_MAX);
|
|
// cbuf_push(ds->astream->buf, t * 5);
|
|
}
|
|
}
|
|
|
|
void ds_openvideo(struct datastream *ds, const char *video, const char *adriver) {
|
|
ds->plm = plm_create_with_filename(video);
|
|
|
|
if (!ds->plm) {
|
|
YughError("Couldn't open %s", video);
|
|
}
|
|
|
|
YughWarn("Opened %s - framerate: %f, samplerate: %d, audio streams: %i, duration: %f",
|
|
video,
|
|
plm_get_framerate(ds->plm),
|
|
plm_get_samplerate(ds->plm),
|
|
|
|
plm_get_duration(ds->plm));
|
|
|
|
|
|
ds->img = sg_make_image(&(sg_image_desc){
|
|
.width = plm_get_width(ds->plm),
|
|
.height = plm_get_height(ds->plm)
|
|
});
|
|
|
|
|
|
ds->astream = soundstream_make();
|
|
struct dsp_filter astream_filter;
|
|
astream_filter.data = &ds->astream;
|
|
astream_filter.filter = soundstream_fillbuf;
|
|
|
|
// struct dsp_filter lpf = lpf_make(8, 10000);
|
|
struct dsp_filter lpf = lpf_make(1, 200);
|
|
struct dsp_iir *iir = lpf.data;
|
|
iir->in = astream_filter;
|
|
|
|
struct dsp_filter hpf = hpf_make(1, 2000);
|
|
struct dsp_iir *hiir = hpf.data;
|
|
hiir->in = astream_filter;
|
|
|
|
/*
|
|
struct dsp_filter llpf = lp_fir_make(20);
|
|
struct dsp_fir *fir = llpf.data;
|
|
fir->in = astream_filter;
|
|
*/
|
|
|
|
// first_free_bus(astream_filter);
|
|
|
|
plm_set_video_decode_callback(ds->plm, render_frame, ds);
|
|
plm_set_audio_decode_callback(ds->plm, render_audio, ds);
|
|
plm_set_loop(ds->plm, false);
|
|
|
|
plm_set_audio_enabled(ds->plm, true);
|
|
plm_set_audio_stream(ds->plm, 0);
|
|
|
|
// Adjust the audio lead time according to the audio_spec buffer size
|
|
plm_set_audio_lead_time(ds->plm, BUF_FRAMES / SAMPLERATE);
|
|
|
|
ds->playing = true;
|
|
}
|
|
|
|
void MakeDatastream() {
|
|
vid_shader = sg_make_shader(mpeg2_shader_desc(sg_query_backend()));}
|
|
|
|
void ds_advance(struct datastream *ds, double s) {
|
|
if (ds->playing) {
|
|
plm_decode(ds->plm, s);
|
|
}
|
|
}
|
|
|
|
void ds_seek(struct datastream *ds, double time) {
|
|
// clear_raw(ds->audio_device);
|
|
plm_seek(ds->plm, time, false);
|
|
}
|
|
|
|
void ds_advanceframes(struct datastream *ds, int frames) {
|
|
for (int i = 0; i < frames; i++) {
|
|
plm_frame_t *frame = plm_decode_video(ds->plm);
|
|
render_frame(ds->plm, frame, ds);
|
|
}
|
|
}
|
|
|
|
void ds_pause(struct datastream *ds) {
|
|
ds->playing = false;
|
|
}
|
|
|
|
void ds_stop(struct datastream *ds) {
|
|
if (ds->plm != NULL) {
|
|
plm_destroy(ds->plm);
|
|
ds->plm = NULL;
|
|
}
|
|
if (ds->audio_device)
|
|
close_audio_device(ds->audio_device);
|
|
ds->playing = false;
|
|
}
|
|
|
|
// TODO: Must be a better way
|
|
int ds_videodone(struct datastream *ds) {
|
|
return (ds->plm == NULL) || plm_get_time(ds->plm) >= plm_get_duration(ds->plm);
|
|
}
|
|
|
|
double ds_remainingtime(struct datastream *ds) {
|
|
if (ds->plm != NULL)
|
|
return plm_get_duration(ds->plm) - plm_get_time(ds->plm);
|
|
else
|
|
return 0.f;
|
|
}
|
|
|
|
double ds_length(struct datastream *ds) {
|
|
return plm_get_duration(ds->plm);
|
|
}
|