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1624 | giacomo | 1 | EXAMPLES: |
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3 | 1. to decode a bitstream with double precision IDCT, such as |
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4 | to create a reference reconstruction set of frames: |
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6 | mpeg2decode -r -f -o0 rec%d -b bitstream.mpg |
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8 | 2. to decode a bitstream with fast integer IDCT, such as |
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9 | to create a test reconstruction set of frames: |
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11 | mpeg2decode -f -o0 rec%d -b bitstream.mpg |
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13 | 3. To substitute reference pictures with external reference |
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14 | pictures (ref%d): |
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16 | mpeg2decode -f -x ref%d -b bitstream.mpg -o0 rec%d |
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19 | 4. Same as 3. only using a single large concatenated file for the |
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20 | sequence of reconstruction frames. |
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22 | mpeg2decode -f -g -x ref%d bitstream.mpg -o0 rec%d |
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24 | 5. Decode an SNR enhancement bitstream at the same time as base layer |
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25 | stream: |
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27 | mpeg2decode -o0 rec%d -e snr_bitstream.mpg -b base_bitstream.mpg |
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29 | 6. Decode a Spatially scalable bitstream |
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31 | Step 1: create lower layer reconstruction |
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33 | mpeg2decode -f -o0 llrec%d -b base_layer.mpg |
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35 | Step 2: decode enhancement bitstream, combined reconstruction. |
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37 | mpeg2decode -f -l llrec%d -b enhancement_layer.mpg -o0 rec%d |
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39 | ------------ |
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40 | where: |
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41 | -o0 specifies .Y, .U, .V input |
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42 | -f specifies field interleaved format |
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43 | -b is the bitstream flag |
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44 | -g specifies substitute file is a large concatendated one. |
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45 | -e substitution flag |
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46 | ref.pic filename of substitution sequence |
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47 | bitstream.mpg bitstream |
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48 | test%d output file pattern |
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49 |