45 write_png(struct wcap_decoder *decoder, const char *filename)  in write_png()  argument
49 	surface = cairo_image_surface_create_for_data((unsigned char *) decoder->frame,  in write_png()
51 						      decoder->width,  in write_png()
52 						      decoder->height,  in write_png()
53 						      decoder->width * 4);  in write_png()
102 convert_to_yv12(struct wcap_decoder *decoder, unsigned char *out)  in convert_to_yv12()  argument
107 	uint32_t format = decoder->format;  in convert_to_yv12()
109 	stride0 = decoder->width;  in convert_to_yv12()
110 	stride1 = decoder->width / 2;  in convert_to_yv12()
111 	for (i = 0; i < decoder->height; i += 2) {  in convert_to_yv12()
114 		v = out + stride0 * decoder->height + stride1 * i / 2;  in convert_to_yv12()
115 		u = v + stride1 * decoder->height / 2;  in convert_to_yv12()
116 		p1 = decoder->frame + decoder->width * i;  in convert_to_yv12()
117 		p2 = p1 + decoder->width;  in convert_to_yv12()
118 		end = p1 + decoder->width;  in convert_to_yv12()
141 convert_to_yuv444(struct wcap_decoder *decoder, unsigned char *out)  in convert_to_yuv444()  argument
148 	uint32_t format = decoder->format;  in convert_to_yuv444()
150 	stride = decoder->width;  in convert_to_yuv444()
151 	psize = stride * decoder->height;  in convert_to_yuv444()
152 	for (i = 0; i < decoder->height; i++) {  in convert_to_yuv444()
156 		rp = decoder->frame + decoder->width * i;  in convert_to_yuv444()
157 		end = rp + decoder->width;  in convert_to_yuv444()
173 output_yuv_frame(struct wcap_decoder *decoder, int depth)  in output_yuv_frame()  argument
179 		size = decoder->width * decoder->height * 3;  in output_yuv_frame()
181 		size = decoder->width * decoder->height * 3 / 2;  in output_yuv_frame()
187 		convert_to_yuv444(decoder, out);  in output_yuv_frame()
189 		convert_to_yv12(decoder, out);  in output_yuv_frame()
215 	struct wcap_decoder *decoder;  in main()  local
256 	decoder = wcap_decoder_create(argv[1]);  in main()
257 	if (decoder == NULL) {  in main()
258 		fprintf(stderr, "Creating wcap decoder failed\n");  in main()
278 					 mode, decoder->width, decoder->height, num, denom);  in main()
283 	has_frame = wcap_decoder_get_frame(decoder);  in main()
284 	msecs = decoder->msecs;  in main()
290 			write_png(decoder, filename);  in main()
294 			output_yuv_frame(decoder, yuv4mpeg2);  in main()
297 		while (decoder->msecs < msecs && has_frame)  in main()
298 			has_frame = wcap_decoder_get_frame(decoder);  in main()
302 		decoder->width, decoder->height, i);  in main()
304 	wcap_decoder_destroy(decoder);  in main()