Cross Reference: /external/webp/src/dec/frame.c

Lines Matching defs:io
246 static int FinishRow(VP8Decoder* const dec, VP8Io* const io) {
274   if (io->put != NULL) {
279       io->y = ydst;
280       io->u = udst;
281       io->v = vdst;
283       io->y = dec->cache_y_ + y_offset;
284       io->u = dec->cache_u_ + uv_offset;
285       io->v = dec->cache_v_ + uv_offset;
291     if (y_end > io->crop_bottom) {
292       y_end = io->crop_bottom;    // make sure we don't overflow on last row.
294     io->a = NULL;
298       io->a = VP8DecompressAlphaRows(dec, y_start, y_end - y_start);
299       if (io->a == NULL) {
304     if (y_start < io->crop_top) {
305       const int delta_y = io->crop_top - y_start;
306       y_start = io->crop_top;
308       io->y += dec->cache_y_stride_ * delta_y;
309       io->u += dec->cache_uv_stride_ * (delta_y >> 1);
310       io->v += dec->cache_uv_stride_ * (delta_y >> 1);
311       if (io->a != NULL) {
312         io->a += io->width * delta_y;
316       io->y += io->crop_left;
317       io->u += io->crop_left >> 1;
318       io->v += io->crop_left >> 1;
319       if (io->a != NULL) {
320         io->a += io->crop_left;
322       io->mb_y = y_start - io->crop_top;
323       io->mb_w = io->crop_right - io->crop_left;
324       io->mb_h = y_end - y_start;
325       ok = io->put(io);
344 int VP8ProcessRow(VP8Decoder* const dec, VP8Io* const io) {
355     ok = FinishRow(dec, io);
362       ctx->io_ = *io;
392 VP8StatusCode VP8EnterCritical(VP8Decoder* const dec, VP8Io* const io) {
393   // Call setup() first. This may trigger additional decoding features on 'io'.
395   if (io->setup != NULL && !io->setup(io)) {
401   if (io->bypass_filtering) {
428       dec->tl_mb_x_ = (io->crop_left - extra_pixels) >> 4;
429       dec->tl_mb_y_ = (io->crop_top - extra_pixels) >> 4;
434     dec->br_mb_y_ = (io->crop_bottom + 15 + extra_pixels) >> 4;
435     dec->br_mb_x_ = (io->crop_right + 15 + extra_pixels) >> 4;
447 int VP8ExitCritical(VP8Decoder* const dec, VP8Io* const io) {
453   if (io->teardown != NULL) {
454     io->teardown(io);
481 // io->put:         [ 0..15][16..31][ 0..15][...
636 static void InitIo(VP8Decoder* const dec, VP8Io* io) {
637   // prepare 'io'
638   io->mb_y = 0;
639   io->y = dec->cache_y_;
640   io->u = dec->cache_u_;
641   io->v = dec->cache_v_;
642   io->y_stride = dec->cache_y_stride_;
643   io->uv_stride = dec->cache_uv_stride_;
644   io->a = NULL;
647 int VP8InitFrame(VP8Decoder* const dec, VP8Io* io) {
650   InitIo(dec, io);