void draw_grid_lines(uint16_t x, uint16_t y){
int16_t light_width = 1;
//GRID LINES
fill_rec(lefts[x][y],lefts[x][y]+light_width,tops[x][y],tops[x][y]+button_width,BLACK);
fill_rec(lefts[x][y],lefts[x][y]+button_width,tops[x][y],tops[x][y]+light_width,BLACK);
int16_t temp = button_width - light_width;
fill_rec(lefts[x][y]+temp,lefts[x][y]+button_width,tops[x][y],tops[x][y]+button_width, BLACK);
fill_rec(lefts[x][y],lefts[x][y]+button_width,tops[x][y]+temp,tops[x][y]+button_width, BLACK);
}
void draw_shading(uint16_t x, uint16_t y){
int16_t light_width = 2;
//light
fill_rec(lefts[x][y],lefts[x][y]+light_width,tops[x][y],tops[x][y]+button_width,WHITE);
fill_rec(lefts[x][y],lefts[x][y]+button_width,tops[x][y],tops[x][y]+light_width,WHITE);
//shadow
int16_t temp = button_width - light_width;
fill_rec(lefts[x][y]+temp,lefts[x][y]+button_width,tops[x][y],tops[x][y]+button_width, DARK_GRAY);
fill_rec(lefts[x][y],lefts[x][y]+button_width,tops[x][y]+temp,tops[x][y]+button_width, DARK_GRAY);
}
void CLS_DlgStreamPusher::FillDisplayRect()
{
struct_stream_info* streamInfo = GetStreamStrcInfo();
if (NULL == streamInfo){
TRACE("NULL == streamInfo");
return;
}
streamInfo->m_screen_surface = SDL_GetWindowSurface(streamInfo->m_show_screen);
if (NULL == streamInfo->m_screen_surface){
TRACE("NULL == streamInfo->m_screen_surface");
return;
}
//背景色
int bgcolor = SDL_MapRGB(streamInfo->m_screen_surface->format, 0x00, 0x00, 0x00);
fill_rec(streamInfo->m_screen_surface, m_pStreamInfo->m_xleft, m_pStreamInfo->m_ytop, m_pStreamInfo->m_width, m_pStreamInfo->m_height,bgcolor);
if (SDL_UpdateWindowSurface(streamInfo->m_show_screen) != 0){
TRACE("SDL_UpdateWindowSurface ERR");
}
}
void CLS_DlgStreamPusher::audio_display(struct_stream_info *_pstrct_streaminfo)
{
if (audio_callback_time == 0){
TRACE("audio_callback_time == 0");
return;
}
int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
int ch, channels, h, h2, bgcolor, fgcolor;
int16_t time_diff;
int rdft_bits, nb_freq;
for (rdft_bits = 1; (1 << rdft_bits) < 2 * _pstrct_streaminfo->m_height; rdft_bits++)
;
nb_freq = 1 << (rdft_bits - 1);
/* compute display index : center on currently output samples */
channels = _pstrct_streaminfo->m_audio_tgt.channels;
nb_display_channels = channels;
if (!_pstrct_streaminfo->m_paused) {
int data_used = _pstrct_streaminfo->m_show_mode == SHOW_MODE_WAVES ? _pstrct_streaminfo->m_width : (2 * nb_freq);
n = 2 * channels;
delay = _pstrct_streaminfo->m_audio_write_buf_size;
delay /= n;
/* to be more precise, we take into account the time spent since
the last buffer computation */
if (audio_callback_time) {
time_diff = av_gettime() - audio_callback_time;
delay -= (time_diff * _pstrct_streaminfo->m_audio_tgt.freq) / 1000000;
}
delay += 2 * data_used;
if (delay < data_used)
delay = data_used;
i_start = x = compute_mod(_pstrct_streaminfo->m_sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
if (_pstrct_streaminfo->m_show_mode == SHOW_MODE_WAVES) {
h = INT_MIN;
for (i = 0; i < 1000; i += channels) {
int idx = (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
int a = _pstrct_streaminfo->m_sample_array[idx];
int b = _pstrct_streaminfo->m_sample_array[(idx + 4 * channels) % SAMPLE_ARRAY_SIZE];
int c = _pstrct_streaminfo->m_sample_array[(idx + 5 * channels) % SAMPLE_ARRAY_SIZE];
int d = _pstrct_streaminfo->m_sample_array[(idx + 9 * channels) % SAMPLE_ARRAY_SIZE];
int score = a - d;
if (h < score && (b ^ c) < 0) {
h = score;
i_start = idx;
}
}
}
_pstrct_streaminfo->m_audio_last_i_start = i_start;
}
//背景色
bgcolor = SDL_MapRGB(_pstrct_streaminfo->m_screen_surface->format, 0x00, 0x00, 0x00);
if (_pstrct_streaminfo->m_show_mode == SHOW_MODE_WAVES) {
SDL_Rect sdl_rect;
_pstrct_streaminfo->m_xleft = 0;
_pstrct_streaminfo->m_ytop = 0;
sdl_rect.x = _pstrct_streaminfo->m_xleft;
sdl_rect.y = _pstrct_streaminfo->m_ytop;
sdl_rect.w = _pstrct_streaminfo->m_width;
sdl_rect.h = _pstrct_streaminfo->m_height;
fill_rec(_pstrct_streaminfo->m_screen_surface, _pstrct_streaminfo->m_xleft, _pstrct_streaminfo->m_ytop, _pstrct_streaminfo->m_width, _pstrct_streaminfo->m_height,bgcolor);
fgcolor = SDL_MapRGB(_pstrct_streaminfo->m_screen_surface->format, 0xff, 0xff, 0xff);
/* total height for one channel */
h = _pstrct_streaminfo->m_height / nb_display_channels;
/* graph height / 2 */
h2 = (h * 9) / 20;
for (ch = 0; ch < nb_display_channels; ch++) {
i = i_start + ch;
y1 = _pstrct_streaminfo->m_ytop + ch * h + (h / 2); /* position of center line */
for (x = 0; x < _pstrct_streaminfo->m_width; x++) {
y = (_pstrct_streaminfo->m_sample_array[i] * h2) >> 15;
if (y < 0) {
y = -y;
ys = y1 - y;
}
else {
ys = y1;
}
fill_rec(_pstrct_streaminfo->m_screen_surface, _pstrct_streaminfo->m_xleft + x, ys, 1, y, fgcolor);
i += channels;
if (i >= SAMPLE_ARRAY_SIZE)
i -= SAMPLE_ARRAY_SIZE;
}
}
fgcolor = SDL_MapRGB(_pstrct_streaminfo->m_screen_surface->format, 0x00, 0x00, 0xff);
for (ch = 1; ch < nb_display_channels; ch++) {
y = _pstrct_streaminfo->m_ytop + ch * h;
fill_rec(_pstrct_streaminfo->m_screen_surface, _pstrct_streaminfo->m_xleft, y, _pstrct_streaminfo->m_width, 1, fgcolor);
}
if (SDL_UpdateWindowSurface(_pstrct_streaminfo->m_show_screen) != 0){
TRACE("SDL_UpdateWindowSurface ERR");
}
//SDL_CreateRGBSurface();
SDL_UpdateTexture(_pstrct_streaminfo->m_sdlTexture, NULL, _pstrct_streaminfo->m_screen_surface->pixels, _pstrct_streaminfo->m_screen_surface->pitch);
SDL_RenderClear(_pstrct_streaminfo->m_sdlRenderer);
SDL_RenderCopy(_pstrct_streaminfo->m_sdlRenderer, _pstrct_streaminfo->m_sdlTexture, &sdl_rect, &sdl_rect);
SDL_RenderPresent(_pstrct_streaminfo->m_sdlRenderer);
}
void draw_button_background(uint16_t x, uint16_t y) {
fill_rec(lefts[x][y],lefts[x][y]+button_width-1,tops[x][y],tops[x][y]+button_width-1,button_col);
}
