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@ -114,24 +114,25 @@ int rtjpeg_decode_frame_yuv420(RTJpegContext *c, AVFrame *f, |
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init_get_bits(&gb, buf, buf_size * 8); |
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for (y = 0; y < h; y++) { |
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for (x = 0; x < w; x++) { |
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#define BLOCK(quant, dst, stride) do { \ |
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int res = get_block(&gb, block, c->scan, quant); \
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if (res < 0) \
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return res; \
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if (res > 0) \
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c->dsp->idct_put(dst, stride, block); \
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} while (0) |
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DCTELEM *block = c->block; |
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if (get_block(&gb, block, c->scan, c->lquant) > 0) |
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c->dsp->idct_put(y1, f->linesize[0], block); |
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BLOCK(c->lquant, y1, f->linesize[0]); |
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y1 += 8; |
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if (get_block(&gb, block, c->scan, c->lquant) > 0) |
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c->dsp->idct_put(y1, f->linesize[0], block); |
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BLOCK(c->lquant, y1, f->linesize[0]); |
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y1 += 8; |
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if (get_block(&gb, block, c->scan, c->lquant) > 0) |
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c->dsp->idct_put(y2, f->linesize[0], block); |
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BLOCK(c->lquant, y2, f->linesize[0]); |
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y2 += 8; |
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if (get_block(&gb, block, c->scan, c->lquant) > 0) |
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c->dsp->idct_put(y2, f->linesize[0], block); |
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BLOCK(c->lquant, y2, f->linesize[0]); |
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y2 += 8; |
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if (get_block(&gb, block, c->scan, c->cquant) > 0) |
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c->dsp->idct_put(u, f->linesize[1], block); |
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BLOCK(c->cquant, u, f->linesize[1]); |
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u += 8; |
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if (get_block(&gb, block, c->scan, c->cquant) > 0) |
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c->dsp->idct_put(v, f->linesize[2], block); |
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BLOCK(c->cquant, v, f->linesize[2]); |
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v += 8; |
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} |
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y1 += 2 * 8 * (f->linesize[0] - w); |
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