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Mixer and a few filters

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This commit is contained in:
John Alanbrook
2022-07-06 22:17:06 +00:00
parent 1c556a70bc
commit eb49f0fcc5
11 changed files with 350 additions and 104 deletions
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19
source/engine/datastream.c
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@@ -9,6 +9,8 @@
#include "log.h"
#include "texture.h"
#include <stdlib.h>
#include "mix.h"
#include "limits.h"
struct mShader *vid_shader;
@@ -31,7 +33,12 @@ static void render_frame(plm_t * mpeg, plm_frame_t * frame, void *user)
static void render_audio(plm_t * mpeg, plm_samples_t * samples, void *user)
{
struct datastream *ds = user;
play_raw(ds->audio_device, samples->interleaved, samples->count * 2);
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);
}
}
struct Texture *ds_maketexture(struct datastream *ds)
@@ -62,6 +69,14 @@ void ds_openvideo(struct datastream *ds, const char *video, const char *adriver)
plm_get_duration(ds->plm)
);
ds->astream = soundstream_make();
struct dsp_filter astream_filter;
astream_filter.data = &ds->astream;
astream_filter.filter = soundstream_fillbuf;
first_free_bus(astream_filter);
printf("Circbuf size is %u.\n", ds->astream.buf.len);
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);
@@ -118,7 +133,7 @@ void ds_advance(struct datastream *ds, double s)
void ds_seek(struct datastream *ds, double time)
{
clear_raw(ds->audio_device);
//clear_raw(ds->audio_device);
plm_seek(ds->plm, time, false);
}