#include "libavutil/avutil.h"
#include "libavutil/bswap.h"
#include "libavutil/cpu.h"
+#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
format_entries[pix_fmt].is_supported_endianness : 0;
}
-#if FF_API_SWS_FORMAT_NAME
-const char *sws_format_name(enum AVPixelFormat format)
-{
- const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(format);
- if (desc)
- return desc->name;
- else
- return "Unknown format";
-}
-#endif
-
static double getSplineCoeff(double a, double b, double c, double d,
double dist)
{
goto fail;
if (filterSize >= MAX_FILTER_SIZE * 16 /
((flags & SWS_ACCURATE_RND) ? APCK_SIZE : 16)) {
- av_log(NULL, AV_LOG_ERROR, "sws: filterSize %d is too large, try less extreme scaling or set --sws-max-filter-size and recompile\n",
- FF_CEIL_RSHIFT((filterSize+1) * ((flags & SWS_ACCURATE_RND) ? APCK_SIZE : 16), 4));
+ ret = RETCODE_USE_CASCADE;
goto fail;
}
*outFilterSize = filterSize;
fail:
if(ret < 0)
- av_log(NULL, AV_LOG_ERROR, "sws: initFilter failed\n");
+ av_log(NULL, ret == RETCODE_USE_CASCADE ? AV_LOG_DEBUG : AV_LOG_ERROR, "sws: initFilter failed\n");
av_free(filter);
av_free(filter2);
return ret;
enum AVPixelFormat dstFormat = c->dstFormat;
const AVPixFmtDescriptor *desc_src;
const AVPixFmtDescriptor *desc_dst;
+ int ret = 0;
cpu_flags = av_get_cpu_flags();
flags = c->flags;
}
}
+ if (isBayer(srcFormat)) {
+ if (!unscaled ||
+ (dstFormat != AV_PIX_FMT_RGB24 && dstFormat != AV_PIX_FMT_YUV420P)) {
+ enum AVPixelFormat tmpFormat = AV_PIX_FMT_RGB24;
+
+ ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride,
+ srcW, srcH, tmpFormat, 64);
+ if (ret < 0)
+ return ret;
+
+ c->cascaded_context[0] = sws_getContext(srcW, srcH, srcFormat,
+ srcW, srcH, tmpFormat,
+ flags, srcFilter, NULL, c->param);
+ if (!c->cascaded_context[0])
+ return -1;
+
+ c->cascaded_context[1] = sws_getContext(srcW, srcH, tmpFormat,
+ dstW, dstH, dstFormat,
+ flags, NULL, dstFilter, c->param);
+ if (!c->cascaded_context[1])
+ return -1;
+ return 0;
+ }
+ }
+
#define USE_MMAP (HAVE_MMAP && HAVE_MPROTECT && defined MAP_ANONYMOUS)
/* precalculate horizontal scaler filter coefficients */
const int filterAlign = X86_MMX(cpu_flags) ? 4 :
PPC_ALTIVEC(cpu_flags) ? 8 : 1;
- if (initFilter(&c->hLumFilter, &c->hLumFilterPos,
+ if ((ret = initFilter(&c->hLumFilter, &c->hLumFilterPos,
&c->hLumFilterSize, c->lumXInc,
srcW, dstW, filterAlign, 1 << 14,
(flags & SWS_BICUBLIN) ? (flags | SWS_BICUBIC) : flags,
cpu_flags, srcFilter->lumH, dstFilter->lumH,
c->param,
get_local_pos(c, 0, 0, 0),
- get_local_pos(c, 0, 0, 0)) < 0)
+ get_local_pos(c, 0, 0, 0))) < 0)
goto fail;
- if (initFilter(&c->hChrFilter, &c->hChrFilterPos,
+ if ((ret = initFilter(&c->hChrFilter, &c->hChrFilterPos,
&c->hChrFilterSize, c->chrXInc,
c->chrSrcW, c->chrDstW, filterAlign, 1 << 14,
(flags & SWS_BICUBLIN) ? (flags | SWS_BILINEAR) : flags,
cpu_flags, srcFilter->chrH, dstFilter->chrH,
c->param,
get_local_pos(c, c->chrSrcHSubSample, c->src_h_chr_pos, 0),
- get_local_pos(c, c->chrDstHSubSample, c->dst_h_chr_pos, 0)) < 0)
+ get_local_pos(c, c->chrDstHSubSample, c->dst_h_chr_pos, 0))) < 0)
goto fail;
}
} // initialize horizontal stuff
const int filterAlign = X86_MMX(cpu_flags) ? 2 :
PPC_ALTIVEC(cpu_flags) ? 8 : 1;
- if (initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize,
+ if ((ret = initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize,
c->lumYInc, srcH, dstH, filterAlign, (1 << 12),
(flags & SWS_BICUBLIN) ? (flags | SWS_BICUBIC) : flags,
cpu_flags, srcFilter->lumV, dstFilter->lumV,
c->param,
get_local_pos(c, 0, 0, 1),
- get_local_pos(c, 0, 0, 1)) < 0)
+ get_local_pos(c, 0, 0, 1))) < 0)
goto fail;
- if (initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize,
+ if ((ret = initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize,
c->chrYInc, c->chrSrcH, c->chrDstH,
filterAlign, (1 << 12),
(flags & SWS_BICUBLIN) ? (flags | SWS_BILINEAR) : flags,
cpu_flags, srcFilter->chrV, dstFilter->chrV,
c->param,
get_local_pos(c, c->chrSrcVSubSample, c->src_v_chr_pos, 1),
- get_local_pos(c, c->chrDstVSubSample, c->dst_v_chr_pos, 1)) < 0)
+ get_local_pos(c, c->chrDstVSubSample, c->dst_v_chr_pos, 1))) < 0)
goto fail;
c->swscale = ff_getSwsFunc(c);
return 0;
fail: // FIXME replace things by appropriate error codes
+ if (ret == RETCODE_USE_CASCADE) {
+ int tmpW = sqrt(srcW * (int64_t)dstW);
+ int tmpH = sqrt(srcH * (int64_t)dstH);
+ enum AVPixelFormat tmpFormat = AV_PIX_FMT_YUV420P;
+
+ if (srcW*(int64_t)srcH <= 4LL*dstW*dstH)
+ return AVERROR(EINVAL);
+
+ ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride,
+ tmpW, tmpH, tmpFormat, 64);
+ if (ret < 0)
+ return ret;
+
+ c->cascaded_context[0] = sws_getContext(srcW, srcH, srcFormat,
+ tmpW, tmpH, tmpFormat,
+ flags, srcFilter, NULL, c->param);
+ if (!c->cascaded_context[0])
+ return -1;
+
+ c->cascaded_context[1] = sws_getContext(tmpW, tmpH, tmpFormat,
+ dstW, dstH, dstFormat,
+ flags, NULL, dstFilter, c->param);
+ if (!c->cascaded_context[1])
+ return -1;
+ return 0;
+ }
return -1;
}
av_freep(&c->yuvTable);
av_freep(&c->formatConvBuffer);
+ sws_freeContext(c->cascaded_context[0]);
+ sws_freeContext(c->cascaded_context[1]);
+ memset(c->cascaded_context, 0, sizeof(c->cascaded_context));
+ av_freep(&c->cascaded_tmp[0]);
+
av_free(c);
}
repositories / deb_ffmpeg.git / blobdiff