avcodec/vqcdec: Avoid unnecessary VLC structure
Everything besides VLC.table is basically write-only and even VLC.table can be removed by accessing the underlying table directly. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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@ -49,14 +49,15 @@ static const int8_t vector_symbols[] = {
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2, 3, 4, SIGNED_8BIT, -2, -3, -4, SIGNED_6BIT
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2, 3, 4, SIGNED_8BIT, -2, -3, -4, SIGNED_6BIT
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};
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};
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static VLC vector_vlc;
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static VLCElem vector_vlc[1 << VECTOR_VLC_BITS];
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static av_cold void vqc_init_static_data(void)
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static av_cold void vqc_init_static_data(void)
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{
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{
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VLC_INIT_STATIC_FROM_LENGTHS(&vector_vlc, VECTOR_VLC_BITS, FF_ARRAY_ELEMS(vector_nbits),
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VLC_INIT_STATIC_TABLE_FROM_LENGTHS(vector_vlc, VECTOR_VLC_BITS,
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vector_nbits, 1,
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FF_ARRAY_ELEMS(vector_nbits),
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vector_symbols, 1, 1,
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vector_nbits, 1,
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0, 0, 1 << VECTOR_VLC_BITS);
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vector_symbols, 1, 1,
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0, 0);
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}
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}
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typedef struct VqcContext {
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typedef struct VqcContext {
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@ -171,7 +172,7 @@ static int decode_vectors(VqcContext * s, const uint8_t * buf, int size, int wid
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continue;
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continue;
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}
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}
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symbol = get_vlc2(&gb, vector_vlc.table, VECTOR_VLC_BITS, 1);
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symbol = get_vlc2(&gb, vector_vlc, VECTOR_VLC_BITS, 1);
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switch(symbol) {
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switch(symbol) {
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case SKIP_3: dst += 3; break;
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case SKIP_3: dst += 3; break;
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case SKIP_4: dst += 4; break;
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case SKIP_4: dst += 4; break;
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