diff options
| author | Ronald S. Bultje <rsbultje@gmail.com> | 2011-05-26 09:15:38 -0400 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2011-05-26 09:31:02 -0400 |
| commit | 69645c021ad2cc503769b44b9008f98b014423de (patch) | |
| tree | f4855f0e0163fc927da0fea51216ad954303e936 | |
| parent | 522d65ba259a263d0cd91db27b79c07e13d7fcf2 (diff) | |
swscale: replace formatConvBuffer[VOF] by allocated array.
This allows to convert between formats of arbitrary width,
regardless of the value of VOF/VOFW.
| -rw-r--r-- | libswscale/swscale_internal.h | 2 | ||||
| -rw-r--r-- | libswscale/swscale_template.c | 5 | ||||
| -rw-r--r-- | libswscale/utils.c | 6 |
3 files changed, 6 insertions, 7 deletions
diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h index 5f2ff94691..1e52ea2a95 100644 --- a/libswscale/swscale_internal.h +++ b/libswscale/swscale_internal.h @@ -122,7 +122,7 @@ typedef struct SwsContext { int chrBufIndex; ///< Index in ring buffer of the last scaled horizontal chroma line from source. //@} - uint8_t formatConvBuffer[VOF]; //FIXME dynamic allocation, but we have to change a lot of code for this to be useful + uint8_t *formatConvBuffer; /** * @name Horizontal and vertical filters. diff --git a/libswscale/swscale_template.c b/libswscale/swscale_template.c index aeeb42815e..8784359dc2 100644 --- a/libswscale/swscale_template.c +++ b/libswscale/swscale_template.c @@ -459,9 +459,10 @@ inline static void hcscale_c(SwsContext *c, uint16_t *dst, long dstWidth, src2 += c->chrSrcOffset; if (c->chrToYV12) { - c->chrToYV12(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal); + uint8_t *buf2 = formatConvBuffer + FFALIGN(srcW, 16); + c->chrToYV12(formatConvBuffer, buf2, src1, src2, srcW, pal); src1= formatConvBuffer; - src2= formatConvBuffer+VOFW; + src2= buf2; } if (!c->hcscale_fast) { diff --git a/libswscale/utils.c b/libswscale/utils.c index 96b3207cdd..20f07d672e 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -790,10 +790,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) srcW, srcH, dstW, dstH); return AVERROR(EINVAL); } - if(srcW > VOFW || dstW > VOFW) { - av_log(NULL, AV_LOG_ERROR, "swScaler: Compile-time maximum width is "AV_STRINGIFY(VOFW)" change VOF/VOFW and recompile\n"); - return AVERROR(EINVAL); - } + FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW, 16) * 2, fail); if (!dstFilter) dstFilter= &dummyFilter; if (!srcFilter) srcFilter= &dummyFilter; @@ -1507,6 +1504,7 @@ void sws_freeContext(SwsContext *c) #endif /* HAVE_MMX */ av_freep(&c->yuvTable); + av_free(c->formatConvBuffer); av_free(c); } |