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/*
* Copyright (C) 2010-2014 Hendrik Leppkes
* http://www.1f0.de
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "stdafx.h"
#include "ILAVDecoder.h"
static LAVPixFmtDesc lav_pixfmt_desc[] = {
{ 1, 3, { 1, 2, 2 }, { 1, 2, 2 } }, ///< LAVPixFmt_YUV420
{ 2, 3, { 1, 2, 2 }, { 1, 2, 2 } }, ///< LAVPixFmt_YUV420bX
{ 1, 3, { 1, 2, 2 }, { 1, 1, 1 } }, ///< LAVPixFmt_YUV422
{ 2, 3, { 1, 2, 2 }, { 1, 1, 1 } }, ///< LAVPixFmt_YUV422bX
{ 1, 3, { 1, 1, 1 }, { 1, 1, 1 } }, ///< LAVPixFmt_YUV444
{ 2, 3, { 1, 1, 1 }, { 1, 1, 1 } }, ///< LAVPixFmt_YUV444bX
{ 1, 2, { 1, 1 }, { 1, 2 } }, ///< LAVPixFmt_NV12
{ 2, 1, { 1 }, { 1 } }, ///< LAVPixFmt_YUY2
{ 3, 1, { 1 }, { 1 } }, ///< LAVPixFmt_RGB24
{ 4, 1, { 1 }, { 1 } }, ///< LAVPixFmt_RGB32
{ 4, 1, { 1 }, { 1 } }, ///< LAVPixFmt_ARGB32
{ 6, 1, { 1 }, { 1 } }, ///< LAVPixFmt_RGB48
};
LAVPixFmtDesc getPixelFormatDesc(LAVPixelFormat pixFmt)
{
return lav_pixfmt_desc[pixFmt];
}
static struct {
LAVPixelFormat pixfmt;
AVPixelFormat ffpixfmt;
} lav_ff_pixfmt_map[] = {
{ LAVPixFmt_YUV420, AV_PIX_FMT_YUV420P },
{ LAVPixFmt_YUV422, AV_PIX_FMT_YUV422P },
{ LAVPixFmt_YUV444, AV_PIX_FMT_YUV444P },
{ LAVPixFmt_NV12, AV_PIX_FMT_NV12 },
{ LAVPixFmt_YUY2, AV_PIX_FMT_YUYV422 },
{ LAVPixFmt_RGB24, AV_PIX_FMT_BGR24 },
{ LAVPixFmt_RGB32, AV_PIX_FMT_BGRA },
{ LAVPixFmt_ARGB32, AV_PIX_FMT_BGRA },
{ LAVPixFmt_RGB48, AV_PIX_FMT_RGB48LE },
};
AVPixelFormat getFFPixelFormatFromLAV(LAVPixelFormat pixFmt, int bpp)
{
AVPixelFormat fmt = AV_PIX_FMT_NONE;
for(int i = 0; i < countof(lav_ff_pixfmt_map); i++) {
if (lav_ff_pixfmt_map[i].pixfmt == pixFmt) {
fmt = lav_ff_pixfmt_map[i].ffpixfmt;
break;
}
}
if (fmt == AV_PIX_FMT_NONE) {
switch(pixFmt) {
case LAVPixFmt_YUV420bX:
fmt = (bpp == 9) ? AV_PIX_FMT_YUV420P9LE : ((bpp == 10) ? AV_PIX_FMT_YUV420P10LE : ((bpp == 12) ? AV_PIX_FMT_YUV420P12LE : ((bpp == 14) ? AV_PIX_FMT_YUV420P14LE : AV_PIX_FMT_YUV420P16LE)));
break;
case LAVPixFmt_YUV422bX:
fmt = (bpp == 9) ? AV_PIX_FMT_YUV422P9LE : ((bpp == 10) ? AV_PIX_FMT_YUV422P10LE : ((bpp == 12) ? AV_PIX_FMT_YUV422P12LE : ((bpp == 14) ? AV_PIX_FMT_YUV422P14LE : AV_PIX_FMT_YUV422P16LE)));
break;
case LAVPixFmt_YUV444bX:
fmt = (bpp == 9) ? AV_PIX_FMT_YUV444P9LE : ((bpp == 10) ? AV_PIX_FMT_YUV444P10LE : ((bpp == 12) ? AV_PIX_FMT_YUV444P12LE : ((bpp == 14) ? AV_PIX_FMT_YUV444P14LE : AV_PIX_FMT_YUV444P16LE)));
break;
default:
ASSERT(0);
}
}
return fmt;
}
static void free_buffers(struct LAVFrame *pFrame)
{
_aligned_free(pFrame->data[0]);
_aligned_free(pFrame->data[1]);
_aligned_free(pFrame->data[2]);
_aligned_free(pFrame->data[3]);
memset(pFrame->data, 0, sizeof(pFrame->data));
}
HRESULT AllocLAVFrameBuffers(LAVFrame *pFrame, int stride)
{
LAVPixFmtDesc desc = getPixelFormatDesc(pFrame->format);
if (stride < pFrame->width) {
// Ensure alignment of at least 32 on all planes
stride = FFALIGN(pFrame->width, 64);
}
stride *= desc.codedbytes;
memset(pFrame->data, 0, sizeof(pFrame->data));
memset(pFrame->stride, 0, sizeof(pFrame->stride));
for (int plane = 0; plane < desc.planes; plane++) {
int planeStride = stride / desc.planeWidth[plane];
size_t size = planeStride * (pFrame->height / desc.planeHeight[plane]);
pFrame->data[plane] = (BYTE *)_aligned_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE, 64);
pFrame->stride[plane] = planeStride;
}
pFrame->destruct = &free_buffers;
pFrame->flags |= LAV_FRAME_FLAG_BUFFER_MODIFY;
return S_OK;
}
HRESULT FreeLAVFrameBuffers(LAVFrame *pFrame)
{
CheckPointer(pFrame, E_POINTER);
if (pFrame->destruct) {
pFrame->destruct(pFrame);
pFrame->destruct = nullptr;
pFrame->priv_data = nullptr;
}
memset(pFrame->data, 0, sizeof(pFrame->data));
memset(pFrame->stride, 0, sizeof(pFrame->stride));
return S_OK;
}
HRESULT CopyLAVFrame(LAVFrame *pSrc, LAVFrame **ppDst)
{
ASSERT(pSrc->format != LAVPixFmt_DXVA2);
*ppDst = (LAVFrame *)CoTaskMemAlloc(sizeof(LAVFrame));
if (!*ppDst) return E_OUTOFMEMORY;
**ppDst = *pSrc;
(*ppDst)->destruct = nullptr;
(*ppDst)->priv_data = nullptr;
AllocLAVFrameBuffers(*ppDst);
LAVPixFmtDesc desc = getPixelFormatDesc(pSrc->format);
for (int plane = 0; plane < desc.planes; plane++) {
size_t linesize = (pSrc->width / desc.planeWidth[plane]) * desc.codedbytes;
BYTE *dst = (*ppDst)->data[plane];
BYTE *src = pSrc->data[plane];
if (!dst || !src)
return E_FAIL;
for (int i = 0; i < (pSrc->height / desc.planeHeight[plane]); i++) {
memcpy(dst, src, linesize);
dst += (*ppDst)->stride[plane];
src += pSrc->stride[plane];
}
}
return S_OK;
}
HRESULT CopyLAVFrameInPlace(LAVFrame *pFrame)
{
LAVFrame *tmpFrame = nullptr;
CopyLAVFrame(pFrame, &tmpFrame);
FreeLAVFrameBuffers(pFrame);
*pFrame = *tmpFrame;
SAFE_CO_FREE(tmpFrame);
return S_OK;
}
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