Ticket #229: yuvimage-wrapper.patch
| File yuvimage-wrapper.patch, 11.1 KB (added by , 9 years ago) |
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xpra/gl/gl_window_backing.py
68 68 self.size = w, h 69 69 # Re-create textures and shader 70 70 self.pixel_format = None 71 self. yuv_shader = None71 self.remove_shader() 72 72 73 73 def gl_init(self): 74 74 drawable = self.gl_begin() … … 146 146 147 147 def do_video_paint(self, coding, img_data, x, y, w, h, options, callbacks): 148 148 debug("do_video_paint: options=%s, decoder=%s", options, type(self._video_decoder)) 149 err, rowstrides, img_data= self._video_decoder.decompress_image_to_yuv(img_data, options)149 err, YUVImage = self._video_decoder.decompress_image_to_yuv(img_data, options) 150 150 csc_pixel_format = options.get("csc_pixel_format", -1) 151 151 #this needs to be done here so we still hold the video_decoder lock: 152 152 pixel_format = self._video_decoder.get_pixel_format(csc_pixel_format) 153 success = err==0 and img_data and len(img_data)==3 154 if not success: 153 if YUVImage is None or err!=0: 155 154 log.error("do_video_paint: %s decompression error %s on %s bytes of picture data for %sx%s pixels, options=%s", 156 155 coding, err, len(img_data), w, h, options) 157 156 gobject.idle_add(fire_paint_callbacks, callbacks, False) 158 157 return 159 gobject.idle_add(self.do_gl_paint, x, y, w, h, img_data, rowstrides, pixel_format, callbacks)158 gobject.idle_add(self.do_gl_paint, x, y, w, h, YUVImage, pixel_format, callbacks) 160 159 161 def do_gl_paint(self, x, y, w, h, img_data, rowstrides, pixel_format, callbacks):160 def do_gl_paint(self, x, y, w, h, YUVImage, pixel_format, callbacks): 162 161 #this function runs in the UI thread, no video_decoder lock held 163 162 drawable = self.gl_init() 164 163 if not drawable: … … 167 166 return 168 167 try: 169 168 try: 170 self.update_texture_yuv( img_data, x, y, w, h, rowstrides, pixel_format)169 self.update_texture_yuv(YUVImage, x, y, w, h, pixel_format) 171 170 if self.paint_screen: 172 171 self.render_image(x, y, x+w, y+h) 173 172 fire_paint_callbacks(callbacks, True) … … 189 188 return (1, 1), (1, 1), (1, 1) 190 189 raise Exception("invalid pixel format: %s" % pixel_format) 191 190 192 def update_texture_yuv(self, img_data, x, y, width, height, rowstrides, pixel_format):191 def update_texture_yuv(self, YUVImage, x, y, width, height, pixel_format): 193 192 window_width, window_height = self.size 194 193 assert self.textures is not None, "no OpenGL textures!" 195 194 … … 238 237 (div_w, div_h) = divs[index] 239 238 glActiveTexture(texture) 240 239 glBindTexture(GL_TEXTURE_RECTANGLE_ARB, self.textures[index]) 241 glPixelStorei(GL_UNPACK_ROW_LENGTH, rowstrides[index]) 242 glTexSubImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, x, y, width/div_w, height/div_h, GL_LUMINANCE, GL_UNSIGNED_BYTE, img_data[index]) 240 rowstride = YUVImage.get_rowstride(index) 241 glPixelStorei(GL_UNPACK_ROW_LENGTH, rowstride) 242 pixel_data = YUVImage.get_component(index) 243 glTexSubImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, x, y, width/div_w, height/div_h, GL_LUMINANCE, GL_UNSIGNED_BYTE, pixel_data) 243 244 if index == 1: 244 245 U_width = width/div_w 245 246 U_height = height/div_h … … 248 249 log.error("Width of V plane is %d, differs from width of corresponding U plane (%d), pixel_format is %d", width/div_w, U_width, pixel_format) 249 250 if height/div_h != U_height: 250 251 log.error("Height of V plane is %d, differs from height of corresponding U plane (%d)", height/div_h, U_height) 252 del YUVImage 251 253 252 254 def render_image(self, rx, ry, rw, rh): 253 255 debug("render_image %sx%s at %sx%s pixel_format=%s", rw, rh, rx, ry, self.pixel_format) -
xpra/vpx/codec.pyx
6 6 import os 7 7 from libc.stdlib cimport free 8 8 9 cdef extern from "string.h": 10 void * memcpy ( void * destination, void * source, size_t num ) 11 void * memset ( void * ptr, int value, size_t num ) 12 9 13 cdef extern from "Python.h": 10 14 ctypedef int Py_ssize_t 11 15 ctypedef object PyObject … … 81 85 def __dealloc__(self): #@DuplicatedSignature 82 86 self.free() 83 87 88 cdef class YUVImage: 89 cdef uint8_t *y 90 cdef uint8_t *u 91 cdef uint8_t *v 92 cdef int ystride 93 cdef int ustride 94 cdef int vstride 95 cdef int width #@DuplicatedSignature 96 cdef int height #@DuplicatedSignature 84 97 98 cdef uint8_t* copy(self, uint8_t *src, long size): 99 cdef uint8_t *dst 100 dst = <uint8_t*> xmemalign(size) 101 assert dst!=NULL, "xmemalign failed for %s bytes" % size 102 memcpy(dst, src, size) 103 return dst 104 105 cdef init(self, int width, int height, uint8_t *y, int ystride, uint8_t *u, int ustride, uint8_t *v, int vstride): 106 self.width = width 107 self.height = height 108 self.ystride = ystride 109 self.ustride = ustride 110 self.vstride = vstride 111 self.y = self.copy(y, height * ystride) 112 self.u = self.copy(u, height * ustride) 113 self.v = self.copy(v, height * vstride) 114 115 cdef free(self): #@DuplicatedSignature 116 xmemfree(self.y) 117 xmemfree(self.u) 118 xmemfree(self.v) 119 self.y = NULL 120 self.u = NULL 121 self.v = NULL 122 123 def get_component(self, index): 124 #PyString_FromStringAndSize 125 if index==0: 126 return (<char *> self.y)[:self.height * self.ystride] 127 elif index==1: 128 return (<char *> self.u)[:self.height * self.ustride] 129 elif index==2: 130 return (<char *> self.v)[:self.height * self.vstride] 131 else: 132 raise Exception("invalid component index %s" % index) 133 134 def get_rowstride(self, index): #@DuplicatedSignature 135 if index==0: 136 return self.ystride 137 elif index==1: 138 return self.ustride 139 elif index==2: 140 return self.vstride 141 else: 142 raise Exception("invalid component index %s" % index) 143 144 def __dealloc__(self): #@DuplicatedSignature 145 self.free() 146 147 85 148 cdef class Decoder(xcoder): 86 149 87 150 def init_context(self, width, height, use_swscale, options): … … 104 167 PyObject_AsReadBuffer(input, <const_void_pp> &buf, &buf_len) 105 168 i = decompress_image(self.context, buf, buf_len, &dout, &outsize, &outstrides) 106 169 if i!=0: 107 return i, [0, 0, 0], ["", "", ""] 108 doutvY = (<char *>dout[0])[:self.height * outstrides[0]] 109 doutvU = (<char *>dout[1])[:self.height * outstrides[1]] 110 doutvV = (<char *>dout[2])[:self.height * outstrides[2]] 111 out = [doutvY, doutvU, doutvV] 112 strides = [outstrides[0], outstrides[1], outstrides[2]] 113 return i, strides, out 170 return i, None 171 yuv = YUVImage() 172 yuv.init(self.width, self.height, dout[0], outstrides[0], dout[1], outstrides[1], dout[2], outstrides[2]) 173 return 0, yuv 114 174 115 175 def get_pixel_format(self, csc_pixel_format): 116 176 #we only support 420 at present -
xpra/x264/codec.pyx
115 115 def __dealloc__(self): #@DuplicatedSignature 116 116 self.free() 117 117 118 cdef class YUVImage: 119 cdef uint8_t *y 120 cdef uint8_t *u 121 cdef uint8_t *v 122 cdef int ystride 123 cdef int ustride 124 cdef int vstride 125 cdef int width #@DuplicatedSignature 126 cdef int height #@DuplicatedSignature 118 127 128 cdef uint8_t* copy(self, uint8_t *src, long size): 129 cdef uint8_t *dst 130 dst = <uint8_t*> xmemalign(size) 131 assert dst!=NULL, "xmemalign failed for %s bytes" % size 132 memcpy(dst, src, size) 133 return dst 134 135 cdef init(self, int width, int height, uint8_t *y, int ystride, uint8_t *u, int ustride, uint8_t *v, int vstride): 136 self.width = width 137 self.height = height 138 self.ystride = ystride 139 self.ustride = ustride 140 self.vstride = vstride 141 self.y = self.copy(y, height * ystride) 142 self.u = self.copy(u, height * ustride) 143 self.v = self.copy(v, height * vstride) 144 145 cdef free(self): #@DuplicatedSignature 146 xmemfree(self.y) 147 xmemfree(self.u) 148 xmemfree(self.v) 149 self.y = NULL 150 self.u = NULL 151 self.v = NULL 152 153 def get_component(self, index): 154 #doutvY = (<char *>dout[0])[:self.height * outstrides[0]] 155 if index==0: 156 return (<char *> self.y)[:self.height * self.ystride] 157 elif index==1: 158 return (<char *> self.u)[:self.height * self.ustride] 159 elif index==2: 160 return (<char *> self.v)[:self.height * self.vstride] 161 else: 162 raise Exception("invalid component index %s" % index) 163 164 def get_rowstride(self, index): #@DuplicatedSignature 165 if index==0: 166 return self.ystride 167 elif index==1: 168 return self.ustride 169 elif index==2: 170 return self.vstride 171 else: 172 raise Exception("invalid component index %s" % index) 173 174 def __dealloc__(self): #@DuplicatedSignature 175 self.free() 176 177 119 178 cdef class Decoder(xcoder): 120 179 121 180 def init_context(self, width, height, use_swscale, options): … … 138 197 PyObject_AsReadBuffer(input, <const_void_pp> &buf, &buf_len) 139 198 padded_buf = <unsigned char *> xmemalign(buf_len+32) 140 199 if padded_buf==NULL: 141 return 1 , [0, 0, 0], ["", "", ""]200 return 100, None 142 201 memcpy(padded_buf, buf, buf_len) 143 202 memset(padded_buf+buf_len, 0, 32) 144 203 set_decoder_csc_format(self.context, int(options.get("csc_pixel_format", -1))) … … 147 206 i = decompress_image(self.context, padded_buf, buf_len, &dout, &outstrides) 148 207 xmemfree(padded_buf) 149 208 if i!=0: 150 return i, [0, 0, 0], ["", "", ""] 151 doutvY = (<char *>dout[0])[:self.height * outstrides[0]] 152 doutvU = (<char *>dout[1])[:self.height * outstrides[1]] 153 doutvV = (<char *>dout[2])[:self.height * outstrides[2]] 154 out = [doutvY, doutvU, doutvV] 155 strides = [outstrides[0], outstrides[1], outstrides[2]] 156 return i, strides, out 209 return i, None 210 yuv = YUVImage() 211 yuv.init(self.width, self.height, dout[0], outstrides[0], dout[1], outstrides[1], dout[2], outstrides[2]) 212 return 0, yuv 157 213 158 214 def get_pixel_format(self, csc_pixel_format): 159 215 return get_pixel_format(csc_pixel_format)
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