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Commit 062203a6 authored by Rafaël Carré's avatar Rafaël Carré
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audiobargraph_v: use drawing primitives 

4 times faster
4 times smaller
X times more readable
parent 38201b47
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Showing with 101 additions and 345 deletions
modules/video_filter/audiobargraph_v.c
View file @ 062203a6
......@@ -195,366 +195,122 @@ static void parse_i_values(BarGraph_t *p_BarGraph, char *i_values)
}
}
/* Drawing */
static const uint8_t bright_red[4] = { 76, 85, 0xff, 0xff };
static const uint8_t black[4] = { 0x00, 0x80, 0x80, 0xff };
static const uint8_t white[4] = { 0xff, 0x80, 0x80, 0xff };
static const uint8_t bright_green[4] = { 150, 44, 21, 0xff };
static const uint8_t bright_yellow[4] = { 226, 1, 148, 0xff };
static const uint8_t green[4] = { 74, 85, 74, 0xff };
static const uint8_t yellow[4] = { 112, 64, 138, 0xff };
static const uint8_t red[4] = { 37, 106, 191, 0xff };
static inline void DrawHLine(plane_t *p, int line, int col, const uint8_t color[4], int w)
{
for (int j = 0; j < 4; j++)
memset(&p[j].p_pixels[line * p[j].i_pitch + col], color[j], w);
}
static void Draw2VLines(plane_t *p, int scale, int col, const uint8_t color[4])
{
for (int i = 10; i < scale + 10; i++)
DrawHLine(p, i, col, color, 2);
}
static void DrawHLines(plane_t *p, int line, int col, const uint8_t color[4], int h, int w)
{
for (int i = line; i < line + h; i++)
DrawHLine(p, i, col, color, w);
}
static void DrawNumber(plane_t *p, int h, const uint8_t data[5], int l)
{
for (int i = 0; i < 5; i++) {
uint8_t x = data[i];
for (int j = 0; j < 7; j++) {
x <<= 1;
if (x & 0x80)
DrawHLine(p, h - l + 2 - 1 - i, 12 + j, black, 1);
}
}
}
/*****************************************************************************
* LoadImage: creates and returns the bar graph image
*****************************************************************************/
#ifdef LoadImage
# undef LoadImage
#endif
static void LoadImage(BarGraph_t *p)
static void LoadImage(BarGraph_t *b)
{
int nbChannels = p->nbChannels;
int *i_values = p->i_values;
int scale = p->scale;
int alarm = p->alarm;
int barWidth = p->barWidth;
int i, j, pi;
int i_width = 0;
int i_line;
int minus8, minus10, minus18, minus20, minus30, minus40, minus50, minus60;
if (p->p_pic)
picture_Release(p->p_pic);
if (nbChannels == 0)
i_width = 20;
else
i_width = 2 * nbChannels * barWidth + 10;
minus8 = iec_scale(-8)*scale + 20;
minus10 = iec_scale(-10)*scale + 20;
minus18 = iec_scale(-18)*scale + 20;
minus20 = iec_scale(-20)*scale + 20;
minus30 = iec_scale(-30)*scale + 20;
minus40 = iec_scale(-40)*scale + 20;
minus50 = iec_scale(-50)*scale + 20;
minus60 = iec_scale(-60)*scale + 20;
picture_t *p_pic = picture_New(VLC_FOURCC('Y','U','V','A'), i_width+20, scale+30, 1, 1);
if (!p_pic)
int nbChannels = b->nbChannels;
int scale = b->scale;
int barWidth = b->barWidth;
int w = 40;
if (nbChannels > 0)
w = 2 * nbChannels * barWidth + 30;
int h = scale + 30;
int level[6];
for (int i = 0; i < 6; i++)
level[i] = iec_scale(-(i+1) * 10) * scale + 20;
if (b->p_pic)
picture_Release(b->p_pic);
b->p_pic = picture_New(VLC_FOURCC('Y','U','V','A'), w, h, 1, 1);
if (!b->p_pic)
return;
p->p_pic = p_pic;
#define DrawLine(a,b,Y,U,V,A) \
for (i=a; i<b; i++) {\
*(p_pic->p[0].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[0].i_pitch + i) = Y;\
*(p_pic->p[1].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[1].i_pitch + i) = U;\
*(p_pic->p[2].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[2].i_pitch + i) = V;\
*(p_pic->p[3].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[3].i_pitch + i) = A; \
}
#define DrawLineBlack(a,b) DrawLine(a,b,0,128,128,0xFF)
#define DrawLineWhite(a,b) DrawLine(a,b,255,128,128,0xFF)
// blacken the whole picture
for (i = 0 ; i < p_pic->i_planes ; i++) {
memset(p_pic->p[i].p_pixels, 0x00,
p_pic->p[i].i_visible_lines * p_pic->p[i].i_pitch);
picture_t *p_pic = b->p_pic;
plane_t *p = p_pic->p;
for (int i = 0 ; i < p_pic->i_planes ; i++)
memset(p[i].p_pixels, 0x00, p[i].i_visible_lines * p[i].i_pitch);
Draw2VLines(p, scale, 20, black);
Draw2VLines(p, scale, 22, white);
static const uint8_t pixmap[6][5] = {
{ 0x17, 0x15, 0x15, 0x15, 0x17 },
{ 0x77, 0x45, 0x75, 0x15, 0x77 },
{ 0x77, 0x15, 0x75, 0x15, 0x77 },
{ 0x17, 0x15, 0x75, 0x55, 0x57 },
{ 0x77, 0x15, 0x75, 0x45, 0x77 },
{ 0x77, 0x55, 0x75, 0x45, 0x77 },
};
for (int i = 0; i < 6; i++) {
DrawHLines(p, h - 1 - level[i] - 1, 24, white, 1, 3);
DrawHLines(p, h - 1 - level[i], 24, black, 2, 3);
DrawNumber(p, h, pixmap[i], level[i]);
}
int minus8 = iec_scale(- 8) * scale + 20;
int minus18 = iec_scale(-18) * scale + 20;
int *i_values = b->i_values;
const uint8_t *indicator_color = b->alarm ? bright_red : black;
// side bar
for (i_line = 20; i_line < scale+20; i_line++) {
// vertical line
DrawLineBlack(20,22);
DrawLineWhite(22,24);
// -10dB
if (i_line == minus10 - 2) {
// 1
DrawLineBlack(14,15);
// 0
DrawLineBlack(16,19);
}
if (i_line == minus10 - 1) {
// 1
DrawLineBlack(14,15);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineWhite(24,27); //White
}
if (i_line == minus10) {
// 1
DrawLineBlack(14,15);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineBlack(24,27);
}
if (i_line == minus10 + 1) {
// 1
DrawLineBlack(14,15);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineBlack(24,27);
}
if (i_line == minus10 + 2) {
// 1
DrawLineBlack(14,15);
// 0
DrawLineBlack(16,19);
}
// -20dB
if (i_line == minus20 - 2) {
// 2
DrawLineBlack(12,15);
// 0
DrawLineBlack(16,19);
}
if (i_line == minus20 - 1) {
// 2
DrawLineBlack(12,13);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineWhite(24,27); //White
}
if (i_line == minus20) {
// 2
DrawLineBlack(12,15);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineBlack(24,27);
}
if (i_line == minus20 + 1) {
// 2
DrawLineBlack(14,15);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineBlack(24,27);
}
if (i_line == minus20 + 2) {
// 2
DrawLineBlack(12,15);
// 0
DrawLineBlack(16,19);
}
// -30dB
if (i_line == minus30 - 2) {
// 3
DrawLineBlack(12,15);
// 0
DrawLineBlack(16,19);
}
if (i_line == minus30 - 1) {
// 3
DrawLineBlack(14,15);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineWhite(24,27); //White
}
if (i_line == minus30) {
// 3
DrawLineBlack(12,15);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineBlack(24,27);
}
if (i_line == minus30 + 1) {
// 3
DrawLineBlack(14,15);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineBlack(24,27);
}
if (i_line == minus30 + 2) {
// 3
DrawLineBlack(12,15);
// 0
DrawLineBlack(16,19);
}
for (int i = 0; i < nbChannels; i++) {
int pi = 30 + i * (5 + barWidth);
// -40dB
if (i_line == minus40 - 2) {
// 4
DrawLineBlack(14,15);
// 0
DrawLineBlack(16,19);
}
if (i_line == minus40 - 1) {
// 4
DrawLineBlack(14,15);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineWhite(24,27); // white
}
if (i_line == minus40) {
// 4
DrawLineBlack(12,15);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineBlack(24,27);
}
if (i_line == minus40 + 1) {
// 4
DrawLineBlack(12,13);
DrawLineBlack(14,15);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineBlack(24,27);
}
if (i_line == minus40 + 2) {
// 4
DrawLineBlack(12,13);
DrawLineBlack(14,15);
// 0
DrawLineBlack(16,19);
}
DrawHLines(p, h - 20 - 1, pi, indicator_color, 8, barWidth);
// -50dB
if (i_line == minus50 - 2) {
// 5
DrawLineBlack(12,15);
// 0
DrawLineBlack(16,19);
}
if (i_line == minus50 - 1) {
// 5
DrawLineBlack(14,15);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineWhite(24,27); //White
}
if (i_line == minus50) {
// 5
DrawLineBlack(12,15);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineBlack(24,27);
}
if (i_line == minus50 + 1) {
// 5
DrawLineBlack(12,13);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineBlack(24,27);
}
if (i_line == minus50 + 2) {
// 2
DrawLineBlack(12,15);
// 0
DrawLineBlack(16,19);
for (int line = 20; line < i_values[i] + 20; line++) {
if (line < minus18)
DrawHLines(p, h - line - 1, pi, bright_green, 1, barWidth);
else if (line < minus8)
DrawHLines(p, h - line - 1, pi, bright_yellow, 1, barWidth);
else
DrawHLines(p, h - line - 1, pi, bright_red, 1, barWidth);
}
// -60dB
if (i_line == minus60 - 2) {
// 6
DrawLineBlack(12,15);
// 0
DrawLineBlack(16,19);
}
if (i_line == minus60 - 1) {
// 6
DrawLineBlack(12,13);
DrawLineBlack(14,15);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineWhite(24,27); //White
}
if (i_line == minus60) {
// 6
DrawLineBlack(12,15);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineBlack(24,27);
}
if (i_line == minus60 + 1) {
// 6
DrawLineBlack(12,13);
// 0
DrawLineBlack(16,17);
DrawLineBlack(18,19);
// limit
DrawLineBlack(24,27);
}
if (i_line == minus60 + 2) {
// 6
DrawLineBlack(12,15);
// 0
DrawLineBlack(16,19);
}
}
#define drawPoint(offset,y,u,v,a) do { \
*(p_pic->p[0].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[0].i_pitch + offset) = y; \
*(p_pic->p[1].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[1].i_pitch + offset) = u; \
*(p_pic->p[2].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[2].i_pitch + offset) = v; \
*(p_pic->p[3].p_pixels + (scale + 30 - i_line - 1) * p_pic->p[3].i_pitch + offset) = a; \
} while(0)
// draw the bars and channel indicators
for (i=0; i<nbChannels; i++) {
pi = 25 + ((i+1)*5) + (i*barWidth) ; // 25 separació amb indicador, 5 separació entre barres
for (j = pi; j < pi + barWidth; j++) {
// channel indicators
for (i_line = 12; i_line < 20; i_line++) {
if (alarm) {
drawPoint(j,76,85,0xFF,0xFF); // red
} else
drawPoint(j,0,128,128,0xFF); // black DrawLine(pi,pf,0xFF,128,128,0xFF);
}
// bars
for (i_line = 20; i_line < i_values[i]+20; i_line++) {
if (i_line < minus18) { // green if < -18 dB
drawPoint(j,150,44,21,0xFF);
//DrawLine(pi,pf,150,44,21,0xFF);
} else if (i_line < minus8) { // yellow if > -18dB and < -8dB
drawPoint(j,226,1,148,0xFF);
//DrawLine(pi,pf,226,1,148,0xFF);
} else { // red if > -8 dB
drawPoint(j,76,85,0xFF,0xFF);
//DrawLine(pi,pf,76,85,255,0xFF);
}
}
// bars no signal
for (; i_line < scale+20; i_line++) {
if (i_line < minus18) { // green if < -18 dB
drawPoint(j,74,85,74,0xFF);
//DrawLine(pi,pf,74,85,74,0xFF);
} else if (i_line < minus8) { // yellow if > -18dB and < -8dB
drawPoint(j,112,64,138,0xFF);
//DrawLine(pi,pf,112,64,138,0xFF);
} else { // red if > -8 dB
drawPoint(j,37,106,191,0xFF);
//DrawLine(pi,pf,37,106,191,0xFF);
}
}
for (int line = i_values[i] + 20; line < scale + 20; line++) {
if (line < minus18)
DrawHLines(p, h - line - 1, pi, green, 1, barWidth);
else if (line < minus8)
DrawHLines(p, h - line - 1, pi, yellow, 1, barWidth);
else
DrawHLines(p, h - line - 1, pi, red, 1, barWidth);
}
}
}
......
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