git.sesse.net Git - vlc/blob - projects/macosx/frontrow_plugin/VLCMediaLayer.m

   1 //
   2 //  VLCMediaLayer.m
   3 //  FRVLC
   4 //
   5 //  Created by hyei on 11/09/07.
   6 //  Copyright 2007 __MyCompanyName__. All rights reserved.
   7 //
   8
   9 #import "VLCMediaLayer.h"
  10
  11 @implementation VLCMediaLayer
  12
  13 - init
  14 {
  15     self = [super init];
  16
  17     return self;
  18 }
  19
  20 - (void)dealloc
  21 {
  22     [_player release];
  23     [super dealloc];
  24 }
  25
  26 - (void)setUrl:(NSURL*)url
  27 {
  28 #if 0
  29     if(_videoLayer != nil) {
  30         [_videoLayer removeFromSuperlayer];
  31     }
  32
  33     _videoLayer = [VLCVideoLayer layer];
  34     _videoLayer.frame = self.bounds;
  35     _videoLayer.autoresizingMask = kCALayerWidthSizable|kCALayerHeightSizable;
  36     [self addSublayer:_videoLayer];
  37
  38     if(_player != nil) {
  39         [_player release];
  40     }
  41
  42     _player = [[VLCMediaPlayer alloc] initWithVideoLayer:_videoLayer];
  43 #else
  44     if(_videoLayer == nil) {
  45         _videoLayer = [VLCVideoLayer layer];
  46         _videoLayer.frame = self.bounds;
  47         _videoLayer.autoresizingMask = kCALayerWidthSizable|kCALayerHeightSizable;
  48         [self addSublayer:_videoLayer];
  49     }
  50
  51     if(_player == nil) {
  52         _player = [[VLCMediaPlayer alloc] initWithVideoLayer:_videoLayer];
  53     }
  54     else {
  55         [_player pause];
  56     }
  57 #endif
  58
  59     NSLog(@"playing url: %@", url);
  60
  61     VLCMedia * media = [VLCMedia mediaWithURL:url];
  62     [_player setMedia:media];
  63 }
  64
  65 - (NSURL*)url
  66 {
  67     if(_player == nil) {
  68         return nil;
  69     }
  70     else {
  71         return [[_player media] url];
  72     }
  73 }
  74
  75 - (void)setPlaying:(BOOL)playing
  76 {
  77     if(playing)
  78         [_player play];
  79     else
  80         [_player pause];
  81 }
  82
  83 - (BOOL)playing
  84 {
  85     return [_player isPlaying];
  86 }
  87
  88 - (VLCMediaPlayer*)player
  89 {
  90     return _player;
  91 }
  92
  93 #define NUM_RATES 7
  94 static float rates[NUM_RATES] = {-8.0, -4.0, -2.0, 1.0, 2.0, 4.0, 8.0};
  95
  96 - (void)_slideRate:(int)delta
  97 {
  98     float rate = _player.rate;
  99     BOOL foundRate = NO;
 100
 101     int index;
 102     for(index=0; index<NUM_RATES; index++) {
 103         if(rate == rates[index]) {
 104             int newIndex = index + delta;
 105             if(newIndex >= 0 && newIndex < NUM_RATES) {
 106                 rate = rates[newIndex];
 107                 foundRate = YES;
 108             }
 109         }
 110     }
 111
 112     if(foundRate) {
 113         _player.rate = rate;
 114     }
 115 }
 116
 117 - (void)goFaster
 118 {
 119     [self _slideRate:+1];
 120 }
 121
 122 - (void)goSlower
 123 {
 124     [self _slideRate:-1];
 125 }
 126
 127 - (void)playPause
 128 {
 129     if(_player.rate != 1.0) {
 130         _player.rate = 1.0;
 131     }
 132     else {
 133         if([_player isPlaying]) {
 134             [_player pause];
 135         }
 136         else {
 137             [_player play];
 138         }
 139     }
 140 }
 141
 142 #if 0
 143 #define CHECK_ERR(func) \
 144 { \
 145         CGLError err = func;\
 146         if(err != kCGLNoError) NSLog(@"error: %s", CGLErrorString(err)); \
 147 }
 148
 149 #define CHECK_GL_ERROR() \
 150 { \
 151         GLenum err = glGetError(); \
 152         if(err != GL_NO_ERROR) NSLog(@"glError: %d", err); \
 153 }
 154
 155 - (void)drawInCGLContext:(CGLContextObj)ctx pixelFormat:(CGLPixelFormatObj)pf forLayerTime:(CFTimeInterval)t displayTime:(const CVTimeStamp *)ts
 156 {
 157     static int i = 0;
 158     CGRect bounds = self.bounds;
 159     //NSLog(@"draw");
 160     --i;
 161
 162     if(i<0 && _pBuffer == NULL) {
 163         NSOpenGLView * openglView = nil;
 164         for(NSView * subview in [_videoView subviews]) {
 165             if([subview isKindOfClass:[NSOpenGLView class]]) {
 166                 openglView = (NSOpenGLView*)subview;
 167                 break;
 168             }
 169         }
 170
 171         if(openglView != nil) {
 172             NSLog(@"Create pbuffer %@", NSStringFromRect([_videoView bounds]));
 173             CHECK_ERR(CGLCreatePBuffer(CGRectGetWidth(bounds), CGRectGetHeight(bounds), GL_TEXTURE_RECTANGLE_ARB, GL_RGB, 0, &_pBuffer));
 174
 175             CGLContextObj vlcContext = (CGLContextObj)[[openglView openGLContext] CGLContextObj];
 176
 177             CHECK_ERR(CGLLockContext(vlcContext));
 178             CHECK_ERR(CGLSetCurrentContext(vlcContext));
 179
 180             GLint screen;
 181             CHECK_ERR(CGLGetVirtualScreen(vlcContext, &screen));
 182
 183             CHECK_ERR(CGLSetPBuffer(vlcContext, _pBuffer, 0, 0, screen));
 184
 185             CHECK_ERR(CGLUnlockContext(vlcContext));
 186             CHECK_ERR(CGLSetCurrentContext(ctx));
 187         }
 188     }
 189
 190     if(_pBuffer != NULL) {
 191         glColor3f(1.0, 1.0, 1.0);
 192
 193         GLuint texture;
 194         glGenTextures(1, &texture);
 195         CHECK_GL_ERROR();
 196         glEnable(GL_TEXTURE_RECTANGLE_ARB);
 197         CHECK_GL_ERROR();
 198         glBindTexture(GL_TEXTURE_RECTANGLE_ARB, texture);
 199         CHECK_GL_ERROR();
 200         glTexParameterf(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 201         CHECK_GL_ERROR();
 202         CHECK_ERR(CGLTexImagePBuffer(ctx, _pBuffer, GL_FRONT));
 203
 204         glBegin(GL_QUADS);
 205         glTexCoord2f(CGRectGetMinX(bounds), CGRectGetMinY(bounds));
 206         glVertex2f(-1.0, -1.0);
 207         glTexCoord2f(CGRectGetMinX(bounds), CGRectGetMaxY(bounds));
 208         glVertex2f(-1.0, 1.0);
 209         glTexCoord2f(CGRectGetMaxX(bounds), CGRectGetMaxY(bounds));
 210         glVertex2f(1.0, 1.0);
 211         glTexCoord2f(CGRectGetMaxX(bounds), CGRectGetMinY(bounds));
 212         glVertex2f(1.0, -1.0);
 213         glEnd();
 214         CHECK_GL_ERROR();
 215
 216         glDisable(GL_TEXTURE_RECTANGLE_ARB);
 217     }
 218     else {
 219         glColor3f(0.0, 0.0, 0.0);
 220
 221         glBegin(GL_QUADS);
 222         glVertex2f(-1.0, 1.0);
 223         glVertex2f(1.0, 1.0);
 224         glVertex2f(1.0, -1.0);
 225         glVertex2f(-1.0, -1.0);
 226         glEnd();
 227     }
 228
 229     [super drawInCGLContext:ctx pixelFormat:pf forLayerTime:t displayTime:ts];
 230 }
 231 #endif
 232 @end