#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_aout.h>
-#include <vlc_vout.h>
-#include <vlc_vout_wrapper.h>
+#include <vlc_vout_window.h>
#include <vlc_opengl.h>
#include <vlc_filter.h>
#include <vlc_rand.h>
#include <math.h>
#include "visual/fft.h"
+#include "visual/window.h"
/*****************************************************************************
struct filter_sys_t
{
vlc_thread_t thread;
- vlc_sem_t ready;
- bool b_error;
/* Audio data */
unsigned i_channels;
int16_t *p_prev_s16_buff;
/* Opengl */
- vout_thread_t *p_vout;
- vout_display_t *p_vd;
+ vlc_gl_t *gl;
float f_rotationAngle;
float f_rotationIncrement;
- /* Window size */
- int i_width;
- int i_height;
+ /* FFT window parameters */
+ window_param wind_param;
};
static block_t *DoWork(filter_t *, block_t *);
static void *Thread(void *);
-#define SPECTRUM_WIDTH 4.0
+#define SPECTRUM_WIDTH 4.f
#define NB_BANDS 20
-#define ROTATION_INCREMENT 0.1
-#define BAR_DECREMENT 0.075
+#define ROTATION_INCREMENT .1f
+#define BAR_DECREMENT .075f
#define ROTATION_MAX 20
const GLfloat lightZeroColor[] = {1.0f, 1.0f, 1.0f, 1.0f};
return VLC_ENOMEM;
/* Create the object for the thread */
- vlc_sem_init(&p_sys->ready, 0);
- p_sys->b_error = false;
- p_sys->i_width = var_InheritInteger(p_filter, "glspectrum-width");
- p_sys->i_height = var_InheritInteger(p_filter, "glspectrum-height");
p_sys->i_channels = aout_FormatNbChannels(&p_filter->fmt_in.audio);
p_sys->i_prev_nb_samples = 0;
p_sys->p_prev_s16_buff = NULL;
p_sys->f_rotationAngle = 0;
p_sys->f_rotationIncrement = ROTATION_INCREMENT;
+ /* Fetch the FFT window parameters */
+ window_get_param( VLC_OBJECT( p_filter ), &p_sys->wind_param );
+
/* Create the FIFO for the audio data. */
p_sys->fifo = block_FifoNew();
if (p_sys->fifo == NULL)
goto error;
- /* Create the thread */
- if (vlc_clone(&p_sys->thread, Thread, p_filter,
- VLC_THREAD_PRIORITY_VIDEO))
- goto error;
+ /* Create the openGL provider */
+ vout_window_cfg_t cfg = {
+ .width = var_InheritInteger(p_filter, "glspectrum-width"),
+ .height = var_InheritInteger(p_filter, "glspectrum-height"),
+ };
- /* Wait for the displaying thread to be ready. */
- vlc_sem_wait(&p_sys->ready);
- if (p_sys->b_error)
+ p_sys->gl = vlc_gl_surface_Create(p_this, &cfg, NULL);
+ if (p_sys->gl == NULL)
{
- vlc_join(p_sys->thread, NULL);
+ block_FifoRelease(p_sys->fifo);
goto error;
}
+ /* Create the thread */
+ if (vlc_clone(&p_sys->thread, Thread, p_filter,
+ VLC_THREAD_PRIORITY_VIDEO))
+ goto error;
+
p_filter->fmt_in.audio.i_format = VLC_CODEC_FL32;
p_filter->fmt_out.audio = p_filter->fmt_in.audio;
p_filter->pf_audio_filter = DoWork;
return VLC_SUCCESS;
error:
- vlc_sem_destroy(&p_sys->ready);
free(p_sys);
return VLC_EGENERIC;
}
vlc_join(p_sys->thread, NULL);
/* Free the ressources */
- vout_DeleteDisplay(p_sys->p_vd, NULL);
- vlc_object_release(p_sys->p_vout);
-
+ vlc_gl_surface_Destroy(p_sys->gl);
block_FifoRelease(p_sys->fifo);
free(p_sys->p_prev_s16_buff);
-
- vlc_sem_destroy(&p_sys->ready);
free(p_sys);
}
/**
* Init the OpenGL scene.
**/
-static void initOpenGLScene()
+static void initOpenGLScene(void)
{
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
/**
* Draw one bar of the Spectrum.
*/
-static void drawBar()
+static void drawBar(void)
{
- const float w = SPECTRUM_WIDTH / NB_BANDS - 0.05;
+ const float w = SPECTRUM_WIDTH / NB_BANDS - 0.05f;
const GLfloat vertexCoords[] = {
- 0.0, 0.0, 0.0, w, 0.0, 0.0, 0.0, 1.0, 0.0,
- 0.0, 1.0, 0.0, w, 0.0, 0.0, w , 1.0, 0.0,
+ 0.f, 0.f, 0.f, w, 0.f, 0.f, 0.f, 1.f, 0.f,
+ 0.f, 1.f, 0.f, w, 0.f, 0.f, w, 1.f, 0.f,
- 0.0, 0.0, -w, 0.0, 0.0, 0.0, 0.0, 1.0, -w,
- 0.0, 1.0, -w, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0,
+ 0.f, 0.f, -w, 0.f, 0.f, 0.f, 0.f, 1.f, -w,
+ 0.f, 1.f, -w, 0.f, 0.f, 0.f, 0.f, 1.f, 0.f,
- w, 0.0, 0.0, w, 0.0, -w, w, 1.0, 0.0,
- w, 1.0, 0.0, w, 0.0, -w, w, 1.0, -w,
+ w, 0.f, 0.f, w, 0.f, -w, w, 1.f, 0.f,
+ w, 1.f, 0.f, w, 0.f, -w, w, 1.f, -w,
- w, 0.0, -w, 0.0, 0.0, -w, 0.0, 1.0, -w,
- 0.0, 1.0, -w, w, 1.0, -w, w, 0.0, -w,
+ w, 0.f, -w, 0.f, 0.f, -w, 0.f, 1.f, -w,
+ 0.f, 1.f, -w, w, 1.f, -w, w, 0.f, -w,
- 0.0, 1.0, 0.0, w, 1.0, 0.0, w, 1.0, -w,
- 0.0, 1.0, 0.0, w, 1.0, -w, 0.0, 1.0, -w,
+ 0.f, 1.f, 0.f, w, 1.f, 0.f, w, 1.f, -w,
+ 0.f, 1.f, 0.f, w, 1.f, -w, 0.f, 1.f, -w,
};
const GLfloat normals[] = {
- 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0,
- 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0,
+ 0.f, 0.f, 1.f, 0.f, 0.f, 1.f, 0.f, 0.f, 1.f,
+ 0.f, 0.f, 1.f, 0.f, 0.f, 1.f, 0.f, 0.f, 1.f,
- -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0,
- -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0,
+ -1.f, 0.f, 0.f, -1.f, 0.f, 0.f, -1.f, 0.f, 0.f,
+ -1.f, 0.f, 0.f, -1.f, 0.f, 0.f, -1.f, 0.f, 0.f,
- 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0,
- 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0,
+ 1.f, 0.f, 0.f, 1.f, 0.f, 0.f, 1.f, 0.f, 0.f,
+ 1.f, 0.f, 0.f, 1.f, 0.f, 0.f, 1.f, 0.f, 0.f,
- 0.0, 0.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, -1.0,
- 0.0, 0.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, -1.0,
+ 0.f, 0.f, -1.f, 0.f, 0.f, -1.f, 0.f, 0.f, -1.f,
+ 0.f, 0.f, -1.f, 0.f, 0.f, -1.f, 0.f, 0.f, -1.f,
- 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0,
- 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0,
+ 0.f, 1.f, 0.f, 0.f, 1.f, 0.f, 0.f, 1.f, 0.f,
+ 0.f, 1.f, 0.f, 0.f, 1.f, 0.f, 0.f, 1.f, 0.f,
};
glVertexPointer(3, GL_FLOAT, 0, vertexCoords);
{
float r, b;
-#define BAR_MAX_HEIGHT 4.2
- r = -1.0 + 2 / BAR_MAX_HEIGHT * f_height;
- b = 2.0 - 2 / BAR_MAX_HEIGHT * f_height;
+#define BAR_MAX_HEIGHT 4.2f
+ r = -1.f + 2 / BAR_MAX_HEIGHT * f_height;
+ b = 2.f - 2 / BAR_MAX_HEIGHT * f_height;
#undef BAR_MAX_HEIGHT
/* Test the ranges. */
- r = r > 1.0 ? 1.0 : r;
- b = b > 1.0 ? 1.0 : b;
+ r = r > 1.f ? 1.f : r;
+ b = b > 1.f ? 1.f : b;
- r = r < 0.0 ? 0.0 : r;
- b = b < 0.0 ? 0.0 : b;
+ r = r < 0.f ? 0.f : r;
+ b = b < 0.f ? 0.f : b;
/* Set the bar color. */
- glColor4f(r, 0.0, b, 1.0);
+ glColor4f(r, 0.f, b, 1.f);
}
static void drawBars(float heights[])
{
glPushMatrix();
- glTranslatef(-2.0, 0.0, 0.0);
+ glTranslatef(-2.f, 0.f, 0.f);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
for (unsigned i = 0; i < NB_BANDS; ++i)
{
glPushMatrix();
- glScalef(1.0, heights[i], 1.0);
+ glScalef(1.f, heights[i], 1.f);
setBarColor(heights[i]);
drawBar();
glPopMatrix();
- glTranslatef(w, 0.0, 0.0);
+ glTranslatef(w, 0.f, 0.f);
}
glDisableClientState(GL_VERTEX_ARRAY);
{
filter_t *p_filter = (filter_t*)p_data;
filter_sys_t *p_sys = p_filter->p_sys;
+ vlc_gl_t *gl = p_sys->gl;
- video_format_t fmt;
- vlc_gl_t *gl;
- unsigned int i_last_width = 0;
- unsigned int i_last_height = 0;
-
- /* Create the openGL provider */
- p_sys->p_vout =
- (vout_thread_t *)vlc_object_create(p_filter, sizeof(vout_thread_t));
- if (!p_sys->p_vout)
- goto error;
-
- /* Configure the video format for the opengl provider. */
- video_format_Init(&fmt, 0);
- video_format_Setup(&fmt, VLC_CODEC_RGB32,
- p_sys->i_width, p_sys->i_height, 0, 1 );
- fmt.i_sar_num = 1;
- fmt.i_sar_den = 1;
-
- /* Init vout state. */
- vout_display_state_t state;
- memset(&state, 0, sizeof(state));
- state.cfg.display.sar.num = 1;
- state.cfg.display.sar.den = 1;
- state.cfg.is_display_filled = true;
- state.cfg.zoom.num = 1;
- state.cfg.zoom.den = 1;
- state.sar.num = 1;
- state.sar.den = 1;
-
- p_sys->p_vd = vout_NewDisplay(p_sys->p_vout, &fmt, &state,
- "opengl", 1000000, 1000000);
- if (!p_sys->p_vd)
- {
- vlc_object_release(p_sys->p_vout);
- goto error;
- }
-
- gl = vout_GetDisplayOpengl(p_sys->p_vd);
- if (!gl)
- {
- vout_DeleteDisplay(p_sys->p_vd, NULL);
- vlc_object_release(p_sys->p_vout);
- goto error;
- }
-
- vlc_sem_post(&p_sys->ready);
-
+ vlc_gl_MakeCurrent(gl);
initOpenGLScene();
+ vlc_gl_ReleaseCurrent(gl);
float height[NB_BANDS] = {0};
block_t *block = block_FifoGet(p_sys->fifo);
int canc = vlc_savecancel();
+ unsigned win_width, win_height;
- /* Manage the events */
- vout_ManageDisplay(p_sys->p_vd, true);
- if (p_sys->p_vd->cfg->display.width != i_last_width ||
- p_sys->p_vd->cfg->display.height != i_last_height)
- {
- /* FIXME it is not perfect as we will have black bands */
- vout_display_place_t place;
- vout_display_PlacePicture(&place, &p_sys->p_vd->source,
- p_sys->p_vd->cfg, false);
-
- i_last_width = p_sys->p_vd->cfg->display.width;
- i_last_height = p_sys->p_vd->cfg->display.height;
- }
+ vlc_gl_MakeCurrent(gl);
+ if (vlc_gl_surface_CheckSize(gl, &win_width, &win_height))
+ glViewport(0, 0, win_width, win_height);
/* Horizontal scale for 20-band equalizer */
const unsigned xscale[] = {0,1,2,3,4,5,6,7,8,11,15,20,27,
36,47,62,82,107,141,184,255};
fft_state *p_state = NULL; /* internal FFT data */
+ DEFINE_WIND_CONTEXT(wind_ctx); /* internal window data */
unsigned i, j;
float p_output[FFT_BUFFER_SIZE]; /* Raw FFT Result */
int16_t *p_buffs; /* int16_t converted buffer */
int16_t *p_s16_buff; /* int16_t converted buffer */
+ if (!block->i_nb_samples) {
+ msg_Err(p_filter, "no samples yet");
+ goto release;
+ }
+
/* Allocate the buffer only if the number of samples change */
if (block->i_nb_samples != p_sys->i_prev_nb_samples)
{
{
union {float f; int32_t i;} u;
- u.f = *p_buffl + 384.0;
+ u.f = *p_buffl + 384.f;
if (u.i > 0x43c07fff)
*p_buffs = 32767;
else if (u.i < 0x43bf8000)
msg_Err(p_filter,"unable to initialize FFT transform");
goto release;
}
+ if (!window_init(FFT_BUFFER_SIZE, &p_sys->wind_param, &wind_ctx))
+ {
+ msg_Err(p_filter,"unable to initialize FFT window");
+ goto release;
+ }
p_buffs = p_s16_buff;
for (i = 0 ; i < FFT_BUFFER_SIZE; i++)
{
if (p_buffs >= &p_s16_buff[block->i_nb_samples * p_sys->i_channels])
p_buffs = p_s16_buff;
}
+ window_scale_in_place (p_buffer1, &wind_ctx);
fft_perform (p_buffer1, p_output, p_state);
for (i = 0; i< FFT_BUFFER_SIZE; ++i)
y = p_dest[j];
}
/* Calculate the height of the bar */
- float new_height = y != 0 ? log(y) * 0.4 : 0;
+ float new_height = y != 0 ? logf(y) * 0.4f : 0;
height[i] = new_height > height[i]
? new_height : height[i];
}
}
release:
+ window_close(&wind_ctx);
fft_close(p_state);
+ vlc_gl_ReleaseCurrent(gl);
block_Release(block);
vlc_restorecancel(canc);
}
- assert(0);
-
-error:
- p_sys->b_error = true;
- vlc_sem_post(&p_sys->ready);
- return NULL;
+ vlc_assert_unreachable();
}
-
projects / vlc / blobdiff