Merge remote-tracking branch 'qatar/master'
* qatar/master: ppc: drop unused function dct_quantize_altivec() mpegaudiodec: Do not discard mp_decode_frame() return value. matroska: do not set invalid default duration if frame rate is zero mkv: use av_reduce instead of av_d2q for framerate estimation mkv: report average framerate as minimal as well avcodec_string: Favor AVCodecContext.codec over the default codec. cook: Make constants passed to AV_BE2NE32C() unsigned to avoid signed overflow. Conflicts: libavcodec/cook.c libavcodec/ppc/mpegvideo_altivec.c libavcodec/utils.c libavformat/matroskadec.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
		
						commit
						e366e6bfab
					
				@ -280,8 +280,8 @@ static av_cold void init_cplscales_table(COOKContext *q)
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static inline int decode_bytes(const uint8_t *inbuffer, uint8_t *out, int bytes)
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					static inline int decode_bytes(const uint8_t *inbuffer, uint8_t *out, int bytes)
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{
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					{
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    static const uint32_t tab[4] = {
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					    static const uint32_t tab[4] = {
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        AV_BE2NE32C(0x37c511f2U), AV_BE2NE32C(0xf237c511U),
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					        AV_BE2NE32C(0x37c511f2u), AV_BE2NE32C(0xf237c511u),
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        AV_BE2NE32C(0x11f237c5U), AV_BE2NE32C(0xc511f237U),
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					        AV_BE2NE32C(0x11f237c5u), AV_BE2NE32C(0xc511f237u),
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    };
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					    };
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    int i, off;
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					    int i, off;
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    uint32_t c;
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					    uint32_t c;
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@ -131,9 +131,6 @@ void ff_init_scantable(uint8_t *permutation, ScanTable *st, const uint8_t *src_s
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        int j;
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					        int j;
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        j = src_scantable[i];
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					        j = src_scantable[i];
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        st->permutated[i] = permutation[j];
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					        st->permutated[i] = permutation[j];
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#if ARCH_PPC
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        st->inverse[j] = i;
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#endif
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    }
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					    }
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    end=-1;
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					    end=-1;
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@ -197,10 +197,6 @@ typedef struct ScanTable{
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    const uint8_t *scantable;
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					    const uint8_t *scantable;
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    uint8_t permutated[64];
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					    uint8_t permutated[64];
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    uint8_t raster_end[64];
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					    uint8_t raster_end[64];
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#if ARCH_PPC
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                /** Used by dct_quantize_altivec to find last-non-zero */
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    DECLARE_ALIGNED(16, uint8_t, inverse)[64];
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#endif
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} ScanTable;
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					} ScanTable;
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void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
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					void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
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@ -1733,6 +1733,10 @@ static int decode_frame_adu(AVCodecContext *avctx, void *data,
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    s->frame_size = len;
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					    s->frame_size = len;
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    out_size = mp_decode_frame(s, NULL, buf, buf_size);
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					    out_size = mp_decode_frame(s, NULL, buf, buf_size);
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					    if (out_size < 0) {
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					        av_log(avctx, AV_LOG_ERROR, "Error while decoding MPEG audio frame.\n");
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					        return AVERROR_INVALIDDATA;
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					    }
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    *got_frame_ptr   = 1;
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					    *got_frame_ptr   = 1;
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    *(AVFrame *)data = s->frame;
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					    *(AVFrame *)data = s->frame;
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@ -31,454 +31,6 @@
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#include "types_altivec.h"
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					#include "types_altivec.h"
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#include "dsputil_altivec.h"
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					#include "dsputil_altivec.h"
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// Swaps two variables (used for altivec registers)
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#define SWAP(a,b) \
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do { \
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    __typeof__(a) swap_temp=a; \
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    a=b; \
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    b=swap_temp; \
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} while (0)
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// transposes a matrix consisting of four vectors with four elements each
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#define TRANSPOSE4(a,b,c,d) \
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do { \
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    __typeof__(a) _trans_ach = vec_mergeh(a, c); \
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    __typeof__(a) _trans_acl = vec_mergel(a, c); \
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    __typeof__(a) _trans_bdh = vec_mergeh(b, d); \
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    __typeof__(a) _trans_bdl = vec_mergel(b, d); \
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                                                 \
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    a = vec_mergeh(_trans_ach, _trans_bdh);      \
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    b = vec_mergel(_trans_ach, _trans_bdh);      \
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    c = vec_mergeh(_trans_acl, _trans_bdl);      \
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    d = vec_mergel(_trans_acl, _trans_bdl);      \
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} while (0)
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// Loads a four-byte value (int or float) from the target address
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// into every element in the target vector.  Only works if the
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// target address is four-byte aligned (which should be always).
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#define LOAD4(vec, address) \
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{ \
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    __typeof__(vec)* _load_addr = (__typeof__(vec)*)(address);  \
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    vector unsigned char _perm_vec = vec_lvsl(0,(address));     \
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    vec = vec_ld(0, _load_addr);                                \
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    vec = vec_perm(vec, vec, _perm_vec);                        \
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    vec = vec_splat(vec, 0);                                    \
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}
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#define FOUROF(a) {a,a,a,a}
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static int dct_quantize_altivec(MpegEncContext* s,
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                         DCTELEM* data, int n,
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                         int qscale, int* overflow)
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{
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    int lastNonZero;
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    vector float row0, row1, row2, row3, row4, row5, row6, row7;
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    vector float alt0, alt1, alt2, alt3, alt4, alt5, alt6, alt7;
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    const vector float zero = (const vector float)FOUROF(0.);
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    // used after quantize step
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    int oldBaseValue = 0;
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    // Load the data into the row/alt vectors
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    {
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        vector signed short data0, data1, data2, data3, data4, data5, data6, data7;
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        data0 = vec_ld(0, data);
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        data1 = vec_ld(16, data);
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        data2 = vec_ld(32, data);
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        data3 = vec_ld(48, data);
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        data4 = vec_ld(64, data);
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        data5 = vec_ld(80, data);
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        data6 = vec_ld(96, data);
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        data7 = vec_ld(112, data);
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        // Transpose the data before we start
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        TRANSPOSE8(data0, data1, data2, data3, data4, data5, data6, data7);
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        // load the data into floating point vectors.  We load
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        // the high half of each row into the main row vectors
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        // and the low half into the alt vectors.
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        row0 = vec_ctf(vec_unpackh(data0), 0);
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        alt0 = vec_ctf(vec_unpackl(data0), 0);
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        row1 = vec_ctf(vec_unpackh(data1), 0);
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        alt1 = vec_ctf(vec_unpackl(data1), 0);
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        row2 = vec_ctf(vec_unpackh(data2), 0);
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        alt2 = vec_ctf(vec_unpackl(data2), 0);
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        row3 = vec_ctf(vec_unpackh(data3), 0);
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        alt3 = vec_ctf(vec_unpackl(data3), 0);
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        row4 = vec_ctf(vec_unpackh(data4), 0);
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        alt4 = vec_ctf(vec_unpackl(data4), 0);
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        row5 = vec_ctf(vec_unpackh(data5), 0);
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        alt5 = vec_ctf(vec_unpackl(data5), 0);
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        row6 = vec_ctf(vec_unpackh(data6), 0);
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        alt6 = vec_ctf(vec_unpackl(data6), 0);
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        row7 = vec_ctf(vec_unpackh(data7), 0);
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        alt7 = vec_ctf(vec_unpackl(data7), 0);
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    }
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    // The following block could exist as a separate an altivec dct
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                // function.  However, if we put it inline, the DCT data can remain
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                // in the vector local variables, as floats, which we'll use during the
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                // quantize step...
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    {
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        const vector float vec_0_298631336 = (vector float)FOUROF(0.298631336f);
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        const vector float vec_0_390180644 = (vector float)FOUROF(-0.390180644f);
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        const vector float vec_0_541196100 = (vector float)FOUROF(0.541196100f);
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        const vector float vec_0_765366865 = (vector float)FOUROF(0.765366865f);
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        const vector float vec_0_899976223 = (vector float)FOUROF(-0.899976223f);
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        const vector float vec_1_175875602 = (vector float)FOUROF(1.175875602f);
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        const vector float vec_1_501321110 = (vector float)FOUROF(1.501321110f);
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        const vector float vec_1_847759065 = (vector float)FOUROF(-1.847759065f);
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        const vector float vec_1_961570560 = (vector float)FOUROF(-1.961570560f);
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        const vector float vec_2_053119869 = (vector float)FOUROF(2.053119869f);
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        const vector float vec_2_562915447 = (vector float)FOUROF(-2.562915447f);
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        const vector float vec_3_072711026 = (vector float)FOUROF(3.072711026f);
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        int whichPass, whichHalf;
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        for(whichPass = 1; whichPass<=2; whichPass++) {
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            for(whichHalf = 1; whichHalf<=2; whichHalf++) {
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                vector float tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
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                vector float tmp10, tmp11, tmp12, tmp13;
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                vector float z1, z2, z3, z4, z5;
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                tmp0 = vec_add(row0, row7); // tmp0 = dataptr[0] + dataptr[7];
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                tmp7 = vec_sub(row0, row7); // tmp7 = dataptr[0] - dataptr[7];
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                tmp3 = vec_add(row3, row4); // tmp3 = dataptr[3] + dataptr[4];
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                tmp4 = vec_sub(row3, row4); // tmp4 = dataptr[3] - dataptr[4];
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                tmp1 = vec_add(row1, row6); // tmp1 = dataptr[1] + dataptr[6];
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                tmp6 = vec_sub(row1, row6); // tmp6 = dataptr[1] - dataptr[6];
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                tmp2 = vec_add(row2, row5); // tmp2 = dataptr[2] + dataptr[5];
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                tmp5 = vec_sub(row2, row5); // tmp5 = dataptr[2] - dataptr[5];
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                tmp10 = vec_add(tmp0, tmp3); // tmp10 = tmp0 + tmp3;
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                tmp13 = vec_sub(tmp0, tmp3); // tmp13 = tmp0 - tmp3;
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                tmp11 = vec_add(tmp1, tmp2); // tmp11 = tmp1 + tmp2;
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                tmp12 = vec_sub(tmp1, tmp2); // tmp12 = tmp1 - tmp2;
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                // dataptr[0] = (DCTELEM) ((tmp10 + tmp11) << PASS1_BITS);
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                row0 = vec_add(tmp10, tmp11);
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                // dataptr[4] = (DCTELEM) ((tmp10 - tmp11) << PASS1_BITS);
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                row4 = vec_sub(tmp10, tmp11);
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                // z1 = MULTIPLY(tmp12 + tmp13, FIX_0_541196100);
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                z1 = vec_madd(vec_add(tmp12, tmp13), vec_0_541196100, (vector float)zero);
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                // dataptr[2] = (DCTELEM) DESCALE(z1 + MULTIPLY(tmp13, FIX_0_765366865),
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					 | 
				
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                //                                CONST_BITS-PASS1_BITS);
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					 | 
				
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                row2 = vec_madd(tmp13, vec_0_765366865, z1);
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					 | 
				
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                // dataptr[6] = (DCTELEM) DESCALE(z1 + MULTIPLY(tmp12, - FIX_1_847759065),
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					 | 
				
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                //                                CONST_BITS-PASS1_BITS);
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					 | 
				
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                row6 = vec_madd(tmp12, vec_1_847759065, z1);
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					 | 
				
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					 | 
				
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                z1 = vec_add(tmp4, tmp7); // z1 = tmp4 + tmp7;
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					 | 
				
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                z2 = vec_add(tmp5, tmp6); // z2 = tmp5 + tmp6;
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					 | 
				
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                z3 = vec_add(tmp4, tmp6); // z3 = tmp4 + tmp6;
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					 | 
				
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                z4 = vec_add(tmp5, tmp7); // z4 = tmp5 + tmp7;
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					 | 
				
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					 | 
				
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                // z5 = MULTIPLY(z3 + z4, FIX_1_175875602); /* sqrt(2) * c3 */
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					 | 
				
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                z5 = vec_madd(vec_add(z3, z4), vec_1_175875602, (vector float)zero);
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					 | 
				
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					 | 
				
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                // z3 = MULTIPLY(z3, - FIX_1_961570560); /* sqrt(2) * (-c3-c5) */
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					 | 
				
			||||||
                z3 = vec_madd(z3, vec_1_961570560, z5);
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					 | 
				
			||||||
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					 | 
				
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                // z4 = MULTIPLY(z4, - FIX_0_390180644); /* sqrt(2) * (c5-c3) */
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					 | 
				
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                z4 = vec_madd(z4, vec_0_390180644, z5);
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					 | 
				
			||||||
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					 | 
				
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                // The following adds are rolled into the multiplies above
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					 | 
				
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                // z3 = vec_add(z3, z5);  // z3 += z5;
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					 | 
				
			||||||
                // z4 = vec_add(z4, z5);  // z4 += z5;
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					 | 
				
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					 | 
				
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                // z2 = MULTIPLY(z2, - FIX_2_562915447); /* sqrt(2) * (-c1-c3) */
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					 | 
				
			||||||
                // Wow!  It's actually more efficient to roll this multiply
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					 | 
				
			||||||
                // into the adds below, even thought the multiply gets done twice!
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					 | 
				
			||||||
                // z2 = vec_madd(z2, vec_2_562915447, (vector float)zero);
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					 | 
				
			||||||
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					 | 
				
			||||||
                // z1 = MULTIPLY(z1, - FIX_0_899976223); /* sqrt(2) * (c7-c3) */
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					 | 
				
			||||||
                // Same with this one...
 | 
					 | 
				
			||||||
                // z1 = vec_madd(z1, vec_0_899976223, (vector float)zero);
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					 | 
				
			||||||
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					 | 
				
			||||||
                // tmp4 = MULTIPLY(tmp4, FIX_0_298631336); /* sqrt(2) * (-c1+c3+c5-c7) */
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					 | 
				
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                // dataptr[7] = (DCTELEM) DESCALE(tmp4 + z1 + z3, CONST_BITS-PASS1_BITS);
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					 | 
				
			||||||
                row7 = vec_madd(tmp4, vec_0_298631336, vec_madd(z1, vec_0_899976223, z3));
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					 | 
				
			||||||
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					 | 
				
			||||||
                // tmp5 = MULTIPLY(tmp5, FIX_2_053119869); /* sqrt(2) * ( c1+c3-c5+c7) */
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					 | 
				
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                // dataptr[5] = (DCTELEM) DESCALE(tmp5 + z2 + z4, CONST_BITS-PASS1_BITS);
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					 | 
				
			||||||
                row5 = vec_madd(tmp5, vec_2_053119869, vec_madd(z2, vec_2_562915447, z4));
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					 | 
				
			||||||
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					 | 
				
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                // tmp6 = MULTIPLY(tmp6, FIX_3_072711026); /* sqrt(2) * ( c1+c3+c5-c7) */
 | 
					 | 
				
			||||||
                // dataptr[3] = (DCTELEM) DESCALE(tmp6 + z2 + z3, CONST_BITS-PASS1_BITS);
 | 
					 | 
				
			||||||
                row3 = vec_madd(tmp6, vec_3_072711026, vec_madd(z2, vec_2_562915447, z3));
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
                // tmp7 = MULTIPLY(tmp7, FIX_1_501321110); /* sqrt(2) * ( c1+c3-c5-c7) */
 | 
					 | 
				
			||||||
                // dataptr[1] = (DCTELEM) DESCALE(tmp7 + z1 + z4, CONST_BITS-PASS1_BITS);
 | 
					 | 
				
			||||||
                row1 = vec_madd(z1, vec_0_899976223, vec_madd(tmp7, vec_1_501321110, z4));
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
                // Swap the row values with the alts.  If this is the first half,
 | 
					 | 
				
			||||||
                // this sets up the low values to be acted on in the second half.
 | 
					 | 
				
			||||||
                // If this is the second half, it puts the high values back in
 | 
					 | 
				
			||||||
                // the row values where they are expected to be when we're done.
 | 
					 | 
				
			||||||
                SWAP(row0, alt0);
 | 
					 | 
				
			||||||
                SWAP(row1, alt1);
 | 
					 | 
				
			||||||
                SWAP(row2, alt2);
 | 
					 | 
				
			||||||
                SWAP(row3, alt3);
 | 
					 | 
				
			||||||
                SWAP(row4, alt4);
 | 
					 | 
				
			||||||
                SWAP(row5, alt5);
 | 
					 | 
				
			||||||
                SWAP(row6, alt6);
 | 
					 | 
				
			||||||
                SWAP(row7, alt7);
 | 
					 | 
				
			||||||
            }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
            if (whichPass == 1) {
 | 
					 | 
				
			||||||
                // transpose the data for the second pass
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
                // First, block transpose the upper right with lower left.
 | 
					 | 
				
			||||||
                SWAP(row4, alt0);
 | 
					 | 
				
			||||||
                SWAP(row5, alt1);
 | 
					 | 
				
			||||||
                SWAP(row6, alt2);
 | 
					 | 
				
			||||||
                SWAP(row7, alt3);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
                // Now, transpose each block of four
 | 
					 | 
				
			||||||
                TRANSPOSE4(row0, row1, row2, row3);
 | 
					 | 
				
			||||||
                TRANSPOSE4(row4, row5, row6, row7);
 | 
					 | 
				
			||||||
                TRANSPOSE4(alt0, alt1, alt2, alt3);
 | 
					 | 
				
			||||||
                TRANSPOSE4(alt4, alt5, alt6, alt7);
 | 
					 | 
				
			||||||
            }
 | 
					 | 
				
			||||||
        }
 | 
					 | 
				
			||||||
    }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
    // perform the quantize step, using the floating point data
 | 
					 | 
				
			||||||
    // still in the row/alt registers
 | 
					 | 
				
			||||||
    {
 | 
					 | 
				
			||||||
        const int* biasAddr;
 | 
					 | 
				
			||||||
        const vector signed int* qmat;
 | 
					 | 
				
			||||||
        vector float bias, negBias;
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        if (s->mb_intra) {
 | 
					 | 
				
			||||||
            vector signed int baseVector;
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
            // We must cache element 0 in the intra case
 | 
					 | 
				
			||||||
            // (it needs special handling).
 | 
					 | 
				
			||||||
            baseVector = vec_cts(vec_splat(row0, 0), 0);
 | 
					 | 
				
			||||||
            vec_ste(baseVector, 0, &oldBaseValue);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
            if(n<4){
 | 
					 | 
				
			||||||
                qmat = (vector signed int*)s->q_intra_matrix[qscale];
 | 
					 | 
				
			||||||
                biasAddr = &s->intra_quant_bias;
 | 
					 | 
				
			||||||
            }else{
 | 
					 | 
				
			||||||
                qmat = (vector signed int*)s->q_chroma_intra_matrix[qscale];
 | 
					 | 
				
			||||||
                biasAddr = &s->intra_quant_bias;
 | 
					 | 
				
			||||||
            }
 | 
					 | 
				
			||||||
        } else {
 | 
					 | 
				
			||||||
            qmat = (vector signed int*)s->q_inter_matrix[qscale];
 | 
					 | 
				
			||||||
            biasAddr = &s->inter_quant_bias;
 | 
					 | 
				
			||||||
        }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        // Load the bias vector (We add 0.5 to the bias so that we're
 | 
					 | 
				
			||||||
                                // rounding when we convert to int, instead of flooring.)
 | 
					 | 
				
			||||||
        {
 | 
					 | 
				
			||||||
            vector signed int biasInt;
 | 
					 | 
				
			||||||
            const vector float negOneFloat = (vector float)FOUROF(-1.0f);
 | 
					 | 
				
			||||||
            LOAD4(biasInt, biasAddr);
 | 
					 | 
				
			||||||
            bias = vec_ctf(biasInt, QUANT_BIAS_SHIFT);
 | 
					 | 
				
			||||||
            negBias = vec_madd(bias, negOneFloat, zero);
 | 
					 | 
				
			||||||
        }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        {
 | 
					 | 
				
			||||||
            vector float q0, q1, q2, q3, q4, q5, q6, q7;
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
            q0 = vec_ctf(qmat[0], QMAT_SHIFT);
 | 
					 | 
				
			||||||
            q1 = vec_ctf(qmat[2], QMAT_SHIFT);
 | 
					 | 
				
			||||||
            q2 = vec_ctf(qmat[4], QMAT_SHIFT);
 | 
					 | 
				
			||||||
            q3 = vec_ctf(qmat[6], QMAT_SHIFT);
 | 
					 | 
				
			||||||
            q4 = vec_ctf(qmat[8], QMAT_SHIFT);
 | 
					 | 
				
			||||||
            q5 = vec_ctf(qmat[10], QMAT_SHIFT);
 | 
					 | 
				
			||||||
            q6 = vec_ctf(qmat[12], QMAT_SHIFT);
 | 
					 | 
				
			||||||
            q7 = vec_ctf(qmat[14], QMAT_SHIFT);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
            row0 = vec_sel(vec_madd(row0, q0, negBias), vec_madd(row0, q0, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(row0, zero));
 | 
					 | 
				
			||||||
            row1 = vec_sel(vec_madd(row1, q1, negBias), vec_madd(row1, q1, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(row1, zero));
 | 
					 | 
				
			||||||
            row2 = vec_sel(vec_madd(row2, q2, negBias), vec_madd(row2, q2, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(row2, zero));
 | 
					 | 
				
			||||||
            row3 = vec_sel(vec_madd(row3, q3, negBias), vec_madd(row3, q3, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(row3, zero));
 | 
					 | 
				
			||||||
            row4 = vec_sel(vec_madd(row4, q4, negBias), vec_madd(row4, q4, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(row4, zero));
 | 
					 | 
				
			||||||
            row5 = vec_sel(vec_madd(row5, q5, negBias), vec_madd(row5, q5, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(row5, zero));
 | 
					 | 
				
			||||||
            row6 = vec_sel(vec_madd(row6, q6, negBias), vec_madd(row6, q6, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(row6, zero));
 | 
					 | 
				
			||||||
            row7 = vec_sel(vec_madd(row7, q7, negBias), vec_madd(row7, q7, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(row7, zero));
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
            q0 = vec_ctf(qmat[1], QMAT_SHIFT);
 | 
					 | 
				
			||||||
            q1 = vec_ctf(qmat[3], QMAT_SHIFT);
 | 
					 | 
				
			||||||
            q2 = vec_ctf(qmat[5], QMAT_SHIFT);
 | 
					 | 
				
			||||||
            q3 = vec_ctf(qmat[7], QMAT_SHIFT);
 | 
					 | 
				
			||||||
            q4 = vec_ctf(qmat[9], QMAT_SHIFT);
 | 
					 | 
				
			||||||
            q5 = vec_ctf(qmat[11], QMAT_SHIFT);
 | 
					 | 
				
			||||||
            q6 = vec_ctf(qmat[13], QMAT_SHIFT);
 | 
					 | 
				
			||||||
            q7 = vec_ctf(qmat[15], QMAT_SHIFT);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
            alt0 = vec_sel(vec_madd(alt0, q0, negBias), vec_madd(alt0, q0, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(alt0, zero));
 | 
					 | 
				
			||||||
            alt1 = vec_sel(vec_madd(alt1, q1, negBias), vec_madd(alt1, q1, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(alt1, zero));
 | 
					 | 
				
			||||||
            alt2 = vec_sel(vec_madd(alt2, q2, negBias), vec_madd(alt2, q2, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(alt2, zero));
 | 
					 | 
				
			||||||
            alt3 = vec_sel(vec_madd(alt3, q3, negBias), vec_madd(alt3, q3, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(alt3, zero));
 | 
					 | 
				
			||||||
            alt4 = vec_sel(vec_madd(alt4, q4, negBias), vec_madd(alt4, q4, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(alt4, zero));
 | 
					 | 
				
			||||||
            alt5 = vec_sel(vec_madd(alt5, q5, negBias), vec_madd(alt5, q5, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(alt5, zero));
 | 
					 | 
				
			||||||
            alt6 = vec_sel(vec_madd(alt6, q6, negBias), vec_madd(alt6, q6, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(alt6, zero));
 | 
					 | 
				
			||||||
            alt7 = vec_sel(vec_madd(alt7, q7, negBias), vec_madd(alt7, q7, bias),
 | 
					 | 
				
			||||||
                    vec_cmpgt(alt7, zero));
 | 
					 | 
				
			||||||
        }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
    }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
    // Store the data back into the original block
 | 
					 | 
				
			||||||
    {
 | 
					 | 
				
			||||||
        vector signed short data0, data1, data2, data3, data4, data5, data6, data7;
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        data0 = vec_pack(vec_cts(row0, 0), vec_cts(alt0, 0));
 | 
					 | 
				
			||||||
        data1 = vec_pack(vec_cts(row1, 0), vec_cts(alt1, 0));
 | 
					 | 
				
			||||||
        data2 = vec_pack(vec_cts(row2, 0), vec_cts(alt2, 0));
 | 
					 | 
				
			||||||
        data3 = vec_pack(vec_cts(row3, 0), vec_cts(alt3, 0));
 | 
					 | 
				
			||||||
        data4 = vec_pack(vec_cts(row4, 0), vec_cts(alt4, 0));
 | 
					 | 
				
			||||||
        data5 = vec_pack(vec_cts(row5, 0), vec_cts(alt5, 0));
 | 
					 | 
				
			||||||
        data6 = vec_pack(vec_cts(row6, 0), vec_cts(alt6, 0));
 | 
					 | 
				
			||||||
        data7 = vec_pack(vec_cts(row7, 0), vec_cts(alt7, 0));
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        {
 | 
					 | 
				
			||||||
            // Clamp for overflow
 | 
					 | 
				
			||||||
            vector signed int max_q_int, min_q_int;
 | 
					 | 
				
			||||||
            vector signed short max_q, min_q;
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
            LOAD4(max_q_int, &s->max_qcoeff);
 | 
					 | 
				
			||||||
            LOAD4(min_q_int, &s->min_qcoeff);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
            max_q = vec_pack(max_q_int, max_q_int);
 | 
					 | 
				
			||||||
            min_q = vec_pack(min_q_int, min_q_int);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
            data0 = vec_max(vec_min(data0, max_q), min_q);
 | 
					 | 
				
			||||||
            data1 = vec_max(vec_min(data1, max_q), min_q);
 | 
					 | 
				
			||||||
            data2 = vec_max(vec_min(data2, max_q), min_q);
 | 
					 | 
				
			||||||
            data4 = vec_max(vec_min(data4, max_q), min_q);
 | 
					 | 
				
			||||||
            data5 = vec_max(vec_min(data5, max_q), min_q);
 | 
					 | 
				
			||||||
            data6 = vec_max(vec_min(data6, max_q), min_q);
 | 
					 | 
				
			||||||
            data7 = vec_max(vec_min(data7, max_q), min_q);
 | 
					 | 
				
			||||||
        }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        {
 | 
					 | 
				
			||||||
        vector bool char zero_01, zero_23, zero_45, zero_67;
 | 
					 | 
				
			||||||
        vector signed char scanIndexes_01, scanIndexes_23, scanIndexes_45, scanIndexes_67;
 | 
					 | 
				
			||||||
        vector signed char negOne = vec_splat_s8(-1);
 | 
					 | 
				
			||||||
        vector signed char* scanPtr =
 | 
					 | 
				
			||||||
                (vector signed char*)(s->intra_scantable.inverse);
 | 
					 | 
				
			||||||
        signed char lastNonZeroChar;
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        // Determine the largest non-zero index.
 | 
					 | 
				
			||||||
        zero_01 = vec_pack(vec_cmpeq(data0, (vector signed short)zero),
 | 
					 | 
				
			||||||
                vec_cmpeq(data1, (vector signed short)zero));
 | 
					 | 
				
			||||||
        zero_23 = vec_pack(vec_cmpeq(data2, (vector signed short)zero),
 | 
					 | 
				
			||||||
                vec_cmpeq(data3, (vector signed short)zero));
 | 
					 | 
				
			||||||
        zero_45 = vec_pack(vec_cmpeq(data4, (vector signed short)zero),
 | 
					 | 
				
			||||||
                vec_cmpeq(data5, (vector signed short)zero));
 | 
					 | 
				
			||||||
        zero_67 = vec_pack(vec_cmpeq(data6, (vector signed short)zero),
 | 
					 | 
				
			||||||
                vec_cmpeq(data7, (vector signed short)zero));
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        // 64 biggest values
 | 
					 | 
				
			||||||
        scanIndexes_01 = vec_sel(scanPtr[0], negOne, zero_01);
 | 
					 | 
				
			||||||
        scanIndexes_23 = vec_sel(scanPtr[1], negOne, zero_23);
 | 
					 | 
				
			||||||
        scanIndexes_45 = vec_sel(scanPtr[2], negOne, zero_45);
 | 
					 | 
				
			||||||
        scanIndexes_67 = vec_sel(scanPtr[3], negOne, zero_67);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        // 32 largest values
 | 
					 | 
				
			||||||
        scanIndexes_01 = vec_max(scanIndexes_01, scanIndexes_23);
 | 
					 | 
				
			||||||
        scanIndexes_45 = vec_max(scanIndexes_45, scanIndexes_67);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        // 16 largest values
 | 
					 | 
				
			||||||
        scanIndexes_01 = vec_max(scanIndexes_01, scanIndexes_45);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        // 8 largest values
 | 
					 | 
				
			||||||
        scanIndexes_01 = vec_max(vec_mergeh(scanIndexes_01, negOne),
 | 
					 | 
				
			||||||
                vec_mergel(scanIndexes_01, negOne));
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        // 4 largest values
 | 
					 | 
				
			||||||
        scanIndexes_01 = vec_max(vec_mergeh(scanIndexes_01, negOne),
 | 
					 | 
				
			||||||
                vec_mergel(scanIndexes_01, negOne));
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        // 2 largest values
 | 
					 | 
				
			||||||
        scanIndexes_01 = vec_max(vec_mergeh(scanIndexes_01, negOne),
 | 
					 | 
				
			||||||
                vec_mergel(scanIndexes_01, negOne));
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        // largest value
 | 
					 | 
				
			||||||
        scanIndexes_01 = vec_max(vec_mergeh(scanIndexes_01, negOne),
 | 
					 | 
				
			||||||
                vec_mergel(scanIndexes_01, negOne));
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        scanIndexes_01 = vec_splat(scanIndexes_01, 0);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        vec_ste(scanIndexes_01, 0, &lastNonZeroChar);
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        lastNonZero = lastNonZeroChar;
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        // While the data is still in vectors we check for the transpose IDCT permute
 | 
					 | 
				
			||||||
        // and handle it using the vector unit if we can.  This is the permute used
 | 
					 | 
				
			||||||
        // by the altivec idct, so it is common when using the altivec dct.
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        if ((lastNonZero > 0) && (s->dsp.idct_permutation_type == FF_TRANSPOSE_IDCT_PERM)) {
 | 
					 | 
				
			||||||
            TRANSPOSE8(data0, data1, data2, data3, data4, data5, data6, data7);
 | 
					 | 
				
			||||||
        }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        vec_st(data0, 0, data);
 | 
					 | 
				
			||||||
        vec_st(data1, 16, data);
 | 
					 | 
				
			||||||
        vec_st(data2, 32, data);
 | 
					 | 
				
			||||||
        vec_st(data3, 48, data);
 | 
					 | 
				
			||||||
        vec_st(data4, 64, data);
 | 
					 | 
				
			||||||
        vec_st(data5, 80, data);
 | 
					 | 
				
			||||||
        vec_st(data6, 96, data);
 | 
					 | 
				
			||||||
        vec_st(data7, 112, data);
 | 
					 | 
				
			||||||
        }
 | 
					 | 
				
			||||||
    }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
    // special handling of block[0]
 | 
					 | 
				
			||||||
    if (s->mb_intra) {
 | 
					 | 
				
			||||||
        if (!s->h263_aic) {
 | 
					 | 
				
			||||||
            if (n < 4)
 | 
					 | 
				
			||||||
                oldBaseValue /= s->y_dc_scale;
 | 
					 | 
				
			||||||
            else
 | 
					 | 
				
			||||||
                oldBaseValue /= s->c_dc_scale;
 | 
					 | 
				
			||||||
        }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
        // Divide by 8, rounding the result
 | 
					 | 
				
			||||||
        data[0] = (oldBaseValue + 4) >> 3;
 | 
					 | 
				
			||||||
    }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
    // We handled the transpose permutation above and we don't
 | 
					 | 
				
			||||||
    // need to permute the "no" permutation case.
 | 
					 | 
				
			||||||
    if ((lastNonZero > 0) &&
 | 
					 | 
				
			||||||
        (s->dsp.idct_permutation_type != FF_TRANSPOSE_IDCT_PERM) &&
 | 
					 | 
				
			||||||
        (s->dsp.idct_permutation_type != FF_NO_IDCT_PERM)) {
 | 
					 | 
				
			||||||
        ff_block_permute(data, s->dsp.idct_permutation,
 | 
					 | 
				
			||||||
                s->intra_scantable.scantable, lastNonZero);
 | 
					 | 
				
			||||||
    }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
    return lastNonZero;
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
/* AltiVec version of dct_unquantize_h263
 | 
					/* AltiVec version of dct_unquantize_h263
 | 
				
			||||||
   this code assumes `block' is 16 bytes-aligned */
 | 
					   this code assumes `block' is 16 bytes-aligned */
 | 
				
			||||||
static void dct_unquantize_h263_altivec(MpegEncContext *s,
 | 
					static void dct_unquantize_h263_altivec(MpegEncContext *s,
 | 
				
			||||||
@ -563,21 +115,6 @@ void ff_MPV_common_init_altivec(MpegEncContext *s)
 | 
				
			|||||||
{
 | 
					{
 | 
				
			||||||
    if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC)) return;
 | 
					    if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC)) return;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
    // Test to make sure that the dct required alignments are met.
 | 
					 | 
				
			||||||
    if ((((long)(s->q_intra_matrix) & 0x0f) != 0) ||
 | 
					 | 
				
			||||||
        (((long)(s->q_inter_matrix) & 0x0f) != 0)) {
 | 
					 | 
				
			||||||
        av_log(s->avctx, AV_LOG_INFO, "Internal Error: q-matrix blocks must be 16-byte aligned "
 | 
					 | 
				
			||||||
                "to use AltiVec DCT. Reverting to non-AltiVec version.\n");
 | 
					 | 
				
			||||||
        return;
 | 
					 | 
				
			||||||
    }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
    if (((long)(s->intra_scantable.inverse) & 0x0f) != 0) {
 | 
					 | 
				
			||||||
        av_log(s->avctx, AV_LOG_INFO, "Internal Error: scan table blocks must be 16-byte aligned "
 | 
					 | 
				
			||||||
                "to use AltiVec DCT. Reverting to non-AltiVec version.\n");
 | 
					 | 
				
			||||||
        return;
 | 
					 | 
				
			||||||
    }
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
    if ((s->avctx->dct_algo == FF_DCT_AUTO) ||
 | 
					    if ((s->avctx->dct_algo == FF_DCT_AUTO) ||
 | 
				
			||||||
            (s->avctx->dct_algo == FF_DCT_ALTIVEC)) {
 | 
					            (s->avctx->dct_algo == FF_DCT_ALTIVEC)) {
 | 
				
			||||||
        s->dct_unquantize_h263_intra = dct_unquantize_h263_altivec;
 | 
					        s->dct_unquantize_h263_intra = dct_unquantize_h263_altivec;
 | 
				
			||||||
 | 
				
			|||||||
@ -1757,8 +1757,11 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
 | 
				
			|||||||
    codec_type = av_get_media_type_string(enc->codec_type);
 | 
					    codec_type = av_get_media_type_string(enc->codec_type);
 | 
				
			||||||
    codec_name = avcodec_get_name(enc->codec_id);
 | 
					    codec_name = avcodec_get_name(enc->codec_id);
 | 
				
			||||||
    if (enc->profile != FF_PROFILE_UNKNOWN) {
 | 
					    if (enc->profile != FF_PROFILE_UNKNOWN) {
 | 
				
			||||||
        p = encode ? avcodec_find_encoder(enc->codec_id) :
 | 
					        if (enc->codec)
 | 
				
			||||||
                     avcodec_find_decoder(enc->codec_id);
 | 
					            p = enc->codec;
 | 
				
			||||||
 | 
					        else
 | 
				
			||||||
 | 
					            p = encode ? avcodec_find_encoder(enc->codec_id) :
 | 
				
			||||||
 | 
					                        avcodec_find_decoder(enc->codec_id);
 | 
				
			||||||
        if (p)
 | 
					        if (p)
 | 
				
			||||||
            profile = av_get_profile_name(p, enc->profile);
 | 
					            profile = av_get_profile_name(p, enc->profile);
 | 
				
			||||||
    }
 | 
					    }
 | 
				
			||||||
 | 
				
			|||||||
@ -1448,7 +1448,7 @@ static int matroska_read_header(AVFormatContext *s)
 | 
				
			|||||||
            continue;
 | 
					            continue;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
        if (track->type == MATROSKA_TRACK_TYPE_VIDEO) {
 | 
					        if (track->type == MATROSKA_TRACK_TYPE_VIDEO) {
 | 
				
			||||||
            if (!track->default_duration)
 | 
					            if (!track->default_duration && track->video.frame_rate > 0)
 | 
				
			||||||
                track->default_duration = 1000000000/track->video.frame_rate;
 | 
					                track->default_duration = 1000000000/track->video.frame_rate;
 | 
				
			||||||
            if (!track->video.display_width)
 | 
					            if (!track->video.display_width)
 | 
				
			||||||
                track->video.display_width = track->video.pixel_width;
 | 
					                track->video.display_width = track->video.pixel_width;
 | 
				
			||||||
@ -1661,8 +1661,11 @@ static int matroska_read_header(AVFormatContext *s)
 | 
				
			|||||||
                      st->codec-> width * track->video.display_height,
 | 
					                      st->codec-> width * track->video.display_height,
 | 
				
			||||||
                      255);
 | 
					                      255);
 | 
				
			||||||
            st->need_parsing = AVSTREAM_PARSE_HEADERS;
 | 
					            st->need_parsing = AVSTREAM_PARSE_HEADERS;
 | 
				
			||||||
            if (track->default_duration)
 | 
					            if (track->default_duration) {
 | 
				
			||||||
                st->avg_frame_rate = av_d2q(1000000000.0/track->default_duration, INT_MAX);
 | 
					                av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den,
 | 
				
			||||||
 | 
					                          1000000000, track->default_duration, 30000);
 | 
				
			||||||
 | 
					                st->avg_frame_rate = st->r_frame_rate;
 | 
				
			||||||
 | 
					            }
 | 
				
			||||||
 | 
					
 | 
				
			||||||
            /* export stereo mode flag as metadata tag */
 | 
					            /* export stereo mode flag as metadata tag */
 | 
				
			||||||
            if (track->video.stereo_mode && track->video.stereo_mode < MATROSKA_VIDEO_STEREO_MODE_COUNT)
 | 
					            if (track->video.stereo_mode && track->video.stereo_mode < MATROSKA_VIDEO_STEREO_MODE_COUNT)
 | 
				
			||||||
 | 
				
			|||||||
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		Reference in New Issue
	
	Block a user