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| author | Gildas Bazin <gbazi@altern.org> | 2005-06-28 22:46:36 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2005-06-28 22:46:36 +0000 |
| commit | eba9ae3cfcfb924e2dd6e6c45838e73181bd1430 (patch) | |
| tree | 8b76726c4a504880d78b894125cd36822c525fb8 /libavcodec/armv4l/dsputil_iwmmxt.c | |
| parent | b4cad5371b72027627220e96b79ec0d65b2debe5 (diff) | |
| download | ffmpeg-eba9ae3cfcfb924e2dd6e6c45838e73181bd1430.tar.gz | |
IWMMXT configure support + runtime selection patch by (Gildas Bazin, gbazin : altern org)
Originally committed as revision 4409 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/armv4l/dsputil_iwmmxt.c')
| -rw-r--r-- | libavcodec/armv4l/dsputil_iwmmxt.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/libavcodec/armv4l/dsputil_iwmmxt.c b/libavcodec/armv4l/dsputil_iwmmxt.c index 6e2465d7c8..99a55e7905 100644 --- a/libavcodec/armv4l/dsputil_iwmmxt.c +++ b/libavcodec/armv4l/dsputil_iwmmxt.c @@ -126,8 +126,26 @@ static void nop(uint8_t *block, const uint8_t *pixels, int line_size, int h) return; } +int mm_flags; /* multimedia extension flags */ + +int mm_support(void) +{ + return 0; /* TODO, implement proper detection */ +} + void dsputil_init_iwmmxt(DSPContext* c, AVCodecContext *avctx) { + mm_flags = mm_support(); + + if (avctx->dsp_mask) { + if (avctx->dsp_mask & FF_MM_FORCE) + mm_flags |= (avctx->dsp_mask & 0xffff); + else + mm_flags &= ~(avctx->dsp_mask & 0xffff); + } + + if (!(mm_flags & MM_IWMMXT)) return; + c->add_pixels_clamped = add_pixels_clamped_iwmmxt; c->put_pixels_tab[0][0] = put_pixels16_iwmmxt; |