diff options
Diffstat (limited to 'src/libffmpeg/libavcodec/dsputil.c')
| -rw-r--r-- | src/libffmpeg/libavcodec/dsputil.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/libffmpeg/libavcodec/dsputil.c b/src/libffmpeg/libavcodec/dsputil.c index 51eddbc60..916d8658c 100644 --- a/src/libffmpeg/libavcodec/dsputil.c +++ b/src/libffmpeg/libavcodec/dsputil.c @@ -2549,6 +2549,11 @@ void ff_put_vc1_mspel_mc00_c(uint8_t *dst, uint8_t *src, int stride, int rnd) { } #endif /* CONFIG_VC1_DECODER||CONFIG_WMV3_DECODER */ +#if defined(CONFIG_H264_ENCODER) +/* H264 specific */ +void ff_h264dsp_init(DSPContext* c, AVCodecContext *avctx); +#endif /* CONFIG_H264_ENCODER */ + static void wmv2_mspel8_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int w){ uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; int i; @@ -3801,11 +3806,31 @@ void dsputil_static_init(void) for(i=0; i<64; i++) inv_zigzag_direct16[ff_zigzag_direct[i]]= i+1; } +int ff_check_alignment(void){ + static int did_fail=0; + DECLARE_ALIGNED_16(int, aligned); + + if((int)&aligned & 15){ + if(!did_fail){ +#if defined(HAVE_MMX) || defined(HAVE_ALTIVEC) + av_log(NULL, AV_LOG_ERROR, + "Compiler did not align stack variables. Libavcodec has been miscompiled\n" + "and may be very slow or crash. This is not a bug in libavcodec,\n" + "but in the compiler. Do not report crashes to FFmpeg developers.\n"); +#endif + did_fail=1; + } + return -1; + } + return 0; +} void dsputil_init(DSPContext* c, AVCodecContext *avctx) { int i; + ff_check_alignment(); + #ifdef CONFIG_ENCODERS if(avctx->dct_algo==FF_DCT_FASTINT) { c->fdct = fdct_ifast; @@ -4006,6 +4031,9 @@ void dsputil_init(DSPContext* c, AVCodecContext *avctx) #if defined(CONFIG_VC1_DECODER) || defined(CONFIG_WMV3_DECODER) ff_vc1dsp_init(c,avctx); #endif +#if defined(CONFIG_H264_ENCODER) + ff_h264dsp_init(c,avctx); +#endif c->put_mspel_pixels_tab[0]= put_mspel8_mc00_c; c->put_mspel_pixels_tab[1]= put_mspel8_mc10_c; |