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| author | Miguel Freitas <miguelfreitas@users.sourceforge.net> | 2002-11-11 13:45:34 +0000 |
|---|---|---|
| committer | Miguel Freitas <miguelfreitas@users.sourceforge.net> | 2002-11-11 13:45:34 +0000 |
| commit | 810ddddbc0d5f6587b9154115fa60d546d728310 (patch) | |
| tree | 67256930a6cd947fb3f09b070b19dedd4fbbcd10 /src/libffmpeg/libavcodec/ppc/mpegvideo_ppc.c | |
| parent | e38a8cca2c6be40954a44f167f7cc9fac0813ede (diff) | |
| download | xine-lib-810ddddbc0d5f6587b9154115fa60d546d728310.tar.gz xine-lib-810ddddbc0d5f6587b9154115fa60d546d728310.tar.bz2 | |
sync ffmpeg
- add wma decoder
- fix mmx macro
- remove changes from fdct_mmx.c (it should work fine now with the mmx macro fix)
CVS patchset: 3234
CVS date: 2002/11/11 13:45:34
Diffstat (limited to 'src/libffmpeg/libavcodec/ppc/mpegvideo_ppc.c')
| -rw-r--r-- | src/libffmpeg/libavcodec/ppc/mpegvideo_ppc.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/libffmpeg/libavcodec/ppc/mpegvideo_ppc.c b/src/libffmpeg/libavcodec/ppc/mpegvideo_ppc.c new file mode 100644 index 000000000..18888c8f4 --- /dev/null +++ b/src/libffmpeg/libavcodec/ppc/mpegvideo_ppc.c @@ -0,0 +1,77 @@ +/*
+ * Copyright (c) 2002 Dieter Shirley
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <time.h>
+#include "../../config.h"
+#include "../dsputil.h"
+#include "../mpegvideo.h"
+
+#ifdef HAVE_ALTIVEC
+#include "dsputil_altivec.h"
+#endif
+
+extern int dct_quantize_altivec(MpegEncContext *s,
+ DCTELEM *block, int n,
+ int qscale, int *overflow);
+
+extern void idct_put_altivec(UINT8 *dest, int line_size, INT16 *block);
+extern void idct_add_altivec(UINT8 *dest, int line_size, INT16 *block);
+
+
+void MPV_common_init_ppc(MpegEncContext *s)
+{
+#if HAVE_ALTIVEC
+ if (has_altivec())
+ {
+ if ((s->avctx->idct_algo == FF_IDCT_AUTO) ||
+ (s->avctx->idct_algo == FF_IDCT_ALTIVEC))
+ {
+ s->idct_put = idct_put_altivec;
+ s->idct_add = idct_add_altivec;
+ s->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
+ }
+
+ // 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))
+ {
+ fprintf(stderr, "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)
+ {
+ fprintf(stderr, "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) ||
+ (s->avctx->dct_algo == FF_DCT_ALTIVEC))
+ {
+ s->dct_quantize = dct_quantize_altivec;
+ }
+ } else
+#endif
+ {
+ /* Non-AltiVec PPC optimisations here */
+ }
+}
+
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