44 wcap_decoder_decode_rectangle(struct wcap_decoder *decoder,  in wcap_decoder_decode_rectangle()  argument
47 	uint32_t v, *p = decoder->p, *d;  in wcap_decoder_decode_rectangle()
52 	d = decoder->frame + (rect->y2 - 1) * decoder->width;  in wcap_decoder_decode_rectangle()
75 				d -= decoder->width;  in wcap_decoder_decode_rectangle()
85 	decoder->p = p;  in wcap_decoder_decode_rectangle()
89 wcap_decoder_get_frame(struct wcap_decoder *decoder)  in wcap_decoder_get_frame()  argument
95 	if (decoder->p == decoder->end)  in wcap_decoder_get_frame()
98 	header = decoder->p;  in wcap_decoder_get_frame()
99 	decoder->msecs = header->msecs;  in wcap_decoder_get_frame()
100 	decoder->count++;  in wcap_decoder_get_frame()
103 	decoder->p = (uint32_t *) (rects + header->nrects);  in wcap_decoder_get_frame()
105 		wcap_decoder_decode_rectangle(decoder, &rects[i]);  in wcap_decoder_get_frame()
113 	struct wcap_decoder *decoder;  in wcap_decoder_create()  local
118 	decoder = malloc(sizeof *decoder);  in wcap_decoder_create()
119 	if (decoder == NULL)  in wcap_decoder_create()
122 	decoder->fd = open(filename, O_RDONLY);  in wcap_decoder_create()
123 	if (decoder->fd == -1) {  in wcap_decoder_create()
124 		free(decoder);  in wcap_decoder_create()
128 	fstat(decoder->fd, &buf);  in wcap_decoder_create()
129 	decoder->size = buf.st_size;  in wcap_decoder_create()
130 	decoder->map = mmap(NULL, decoder->size,  in wcap_decoder_create()
131 			    PROT_READ, MAP_PRIVATE, decoder->fd, 0);  in wcap_decoder_create()
132 	if (decoder->map == MAP_FAILED) {  in wcap_decoder_create()
134 		close(decoder->fd);  in wcap_decoder_create()
135 		free(decoder);  in wcap_decoder_create()
139 	header = decoder->map;  in wcap_decoder_create()
140 	decoder->format = header->format;  in wcap_decoder_create()
141 	decoder->count = 0;  in wcap_decoder_create()
142 	decoder->width = header->width;  in wcap_decoder_create()
143 	decoder->height = header->height;  in wcap_decoder_create()
144 	decoder->p = header + 1;  in wcap_decoder_create()
145 	decoder->end = decoder->map + decoder->size;  in wcap_decoder_create()
148 	decoder->frame = malloc(frame_size);  in wcap_decoder_create()
149 	if (decoder->frame == NULL) {  in wcap_decoder_create()
150 		close(decoder->fd);  in wcap_decoder_create()
151 		free(decoder);  in wcap_decoder_create()
154 	memset(decoder->frame, 0, frame_size);  in wcap_decoder_create()
156 	return decoder;  in wcap_decoder_create()
160 wcap_decoder_destroy(struct wcap_decoder *decoder)  in wcap_decoder_destroy()  argument
162 	munmap(decoder->map, decoder->size);  in wcap_decoder_destroy()
163 	close(decoder->fd);  in wcap_decoder_destroy()
164 	free(decoder->frame);  in wcap_decoder_destroy()
165 	free(decoder);  in wcap_decoder_destroy()