diff options
Diffstat (limited to 'thirdparty/libwebp/src/dec/frame_dec.c')
| -rw-r--r-- | thirdparty/libwebp/src/dec/frame_dec.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/thirdparty/libwebp/src/dec/frame_dec.c b/thirdparty/libwebp/src/dec/frame_dec.c index 517d0f5850..a9d5430d00 100644 --- a/thirdparty/libwebp/src/dec/frame_dec.c +++ b/thirdparty/libwebp/src/dec/frame_dec.c @@ -400,7 +400,9 @@ static void DitherRow(VP8Decoder* const dec) { #define MACROBLOCK_VPOS(mb_y) ((mb_y) * 16) // vertical position of a MB // Finalize and transmit a complete row. Return false in case of user-abort. -static int FinishRow(VP8Decoder* const dec, VP8Io* const io) { +static int FinishRow(void* arg1, void* arg2) { + VP8Decoder* const dec = (VP8Decoder*)arg1; + VP8Io* const io = (VP8Io*)arg2; int ok = 1; const VP8ThreadContext* const ctx = &dec->thread_ctx_; const int cache_id = ctx->id_; @@ -448,10 +450,9 @@ static int FinishRow(VP8Decoder* const dec, VP8Io* const io) { if (y_end > io->crop_bottom) { y_end = io->crop_bottom; // make sure we don't overflow on last row. } + // If dec->alpha_data_ is not NULL, we have some alpha plane present. io->a = NULL; if (dec->alpha_data_ != NULL && y_start < y_end) { - // TODO(skal): testing presence of alpha with dec->alpha_data_ is not a - // good idea. io->a = VP8DecompressAlphaRows(dec, io, y_start, y_end - y_start); if (io->a == NULL) { return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR, @@ -558,7 +559,6 @@ VP8StatusCode VP8EnterCritical(VP8Decoder* const dec, VP8Io* const io) { if (io->bypass_filtering) { dec->filter_type_ = 0; } - // TODO(skal): filter type / strength / sharpness forcing // Define the area where we can skip in-loop filtering, in case of cropping. // @@ -569,8 +569,6 @@ VP8StatusCode VP8EnterCritical(VP8Decoder* const dec, VP8Io* const io) { // Means: there's a dependency chain that goes all the way up to the // top-left corner of the picture (MB #0). We must filter all the previous // macroblocks. - // TODO(skal): add an 'approximate_decoding' option, that won't produce - // a 1:1 bit-exactness for complex filtering? { const int extra_pixels = kFilterExtraRows[dec->filter_type_]; if (dec->filter_type_ == 2) { @@ -651,7 +649,7 @@ static int InitThreadContext(VP8Decoder* const dec) { } worker->data1 = dec; worker->data2 = (void*)&dec->thread_ctx_.io_; - worker->hook = (WebPWorkerHook)FinishRow; + worker->hook = FinishRow; dec->num_caches_ = (dec->filter_type_ > 0) ? MT_CACHE_LINES : MT_CACHE_LINES - 1; } else { |