1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
|
/*
* Copyright (C) 2010-2015 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 "LAVSubtitleConsumer.h"
#include "LAVVideo.h"
#include "Media.h"
#define OFFSET(x) offsetof(LAVSubtitleConsumerContext, x)
static const SubRenderOption options[] = {
{ "name", OFFSET(name), SROPT_TYPE_STRING, SROPT_FLAG_READONLY },
{ "version", OFFSET(version), SROPT_TYPE_STRING, SROPT_FLAG_READONLY },
{ "originalVideoSize", OFFSET(originalVideoSize), SROPT_TYPE_SIZE, SROPT_FLAG_READONLY },
{ "redraw", OFFSET(redraw), SROPT_TYPE_BOOL, 0 },
{ "menu", OFFSET(menu), SROPT_TYPE_BOOL, 0 },
{ 0 }
};
#define FAST_DIV255(x) ((((x) + 128) * 257) >> 16)
CLAVSubtitleConsumer::CLAVSubtitleConsumer(CLAVVideo *pLAVVideo)
: CSubRenderOptionsImpl(::options, &context)
, CUnknown(L"CLAVSubtitleConsumer", nullptr)
, m_pLAVVideo(pLAVVideo)
{
ZeroMemory(&context, sizeof(context));
context.name = TEXT(LAV_VIDEO);
context.version = TEXT(LAV_VERSION_STR);
m_evFrame.Reset();
}
CLAVSubtitleConsumer::~CLAVSubtitleConsumer(void)
{
if (m_pProvider) {
m_pProvider->Disconnect();
}
Disconnect();
}
STDMETHODIMP CLAVSubtitleConsumer::Connect(ISubRenderProvider *subtitleRenderer)
{
SafeRelease(&m_pProvider);
m_pProvider = subtitleRenderer;
return S_OK;
}
STDMETHODIMP CLAVSubtitleConsumer::Disconnect(void)
{
SafeRelease(&m_pProvider);
if (m_pSwsContext) {
sws_freeContext(m_pSwsContext);
m_pSwsContext = nullptr;
}
return S_OK;
}
STDMETHODIMP CLAVSubtitleConsumer::DeliverFrame(REFERENCE_TIME start, REFERENCE_TIME stop, ISubRenderFrame *subtitleFrame)
{
ASSERT(m_SubtitleFrame == nullptr);
m_SubtitleFrame = subtitleFrame;
m_evFrame.Set();
return S_OK;
}
STDMETHODIMP CLAVSubtitleConsumer::RequestFrame(REFERENCE_TIME rtStart, REFERENCE_TIME rtStop)
{
CheckPointer(m_pProvider, E_FAIL);
return m_pProvider->RequestFrame(rtStart, rtStop);
}
STDMETHODIMP CLAVSubtitleConsumer::ProcessFrame(LAVFrame *pFrame)
{
CheckPointer(m_pProvider, E_FAIL);
HRESULT hr = S_OK;
LPDIRECT3DSURFACE9 pSurface = nullptr;
// Wait for the requested frame
m_evFrame.Wait();
if (m_SubtitleFrame != nullptr) {
int count = 0;
if (FAILED(m_SubtitleFrame->GetBitmapCount(&count))) {
count = 0;
}
if (count == 0) {
SafeRelease(&m_SubtitleFrame);
return S_FALSE;
}
BYTE *data[4] = {0};
ptrdiff_t stride[4] = {0};
LAVPixelFormat format = pFrame->format;
int bpp = pFrame->bpp;
if (pFrame->format == LAVPixFmt_DXVA2) {
// Copy the surface, if required
if (!(pFrame->flags & LAV_FRAME_FLAG_BUFFER_MODIFY)) {
IMediaSample *pOrigSample = (IMediaSample *)pFrame->data[0];
LPDIRECT3DSURFACE9 pOrigSurface = (LPDIRECT3DSURFACE9)pFrame->data[3];
hr = m_pLAVVideo->GetD3DBuffer(pFrame);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"CLAVSubtitleConsumer::ProcessFrame: getting a new D3D buffer failed"));
} else {
IMediaSample *pNewSample = (IMediaSample *)pFrame->data[0];
pSurface = (LPDIRECT3DSURFACE9)pFrame->data[3];
IDirect3DDevice9 *pDevice = nullptr;
if (SUCCEEDED(hr = pSurface->GetDevice(&pDevice))) {
hr = pDevice->StretchRect(pOrigSurface, nullptr, pSurface, nullptr, D3DTEXF_NONE);
if (SUCCEEDED(hr)) {
pFrame->flags |= LAV_FRAME_FLAG_BUFFER_MODIFY|LAV_FRAME_FLAG_DXVA_NOADDREF;
pOrigSurface = nullptr;
// Release the surface, we only want to hold a ref on the media buffer
pSurface->Release();
}
SafeRelease(&pDevice);
}
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"CLAVSubtitleConsumer::ProcessFrame: processing d3d buffer failed, restoring previous buffer"));
pNewSample->Release();
pSurface->Release();
pFrame->data[0] = (BYTE *)pOrigSample;
pFrame->data[3] = (BYTE *)pOrigSurface;
}
}
}
pSurface = (LPDIRECT3DSURFACE9)pFrame->data[3];
D3DSURFACE_DESC surfaceDesc;
pSurface->GetDesc(&surfaceDesc);
D3DLOCKED_RECT LockedRect;
hr = pSurface->LockRect(&LockedRect, nullptr, 0);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"pSurface->LockRect failed (hr: %X)", hr));
SafeRelease(&m_SubtitleFrame);
return E_FAIL;
}
data[0] = (BYTE *)LockedRect.pBits;
data[1] = data[0] + (surfaceDesc.Height * LockedRect.Pitch);
stride[0] = LockedRect.Pitch;
stride[1] = LockedRect.Pitch;
format = LAVPixFmt_NV12;
bpp = 8;
} else {
if (!(pFrame->flags & LAV_FRAME_FLAG_BUFFER_MODIFY)) {
CopyLAVFrameInPlace(pFrame);
}
memcpy(&data, &pFrame->data, sizeof(pFrame->data));
memcpy(&stride, &pFrame->stride, sizeof(pFrame->stride));
}
RECT videoRect;
::SetRect(&videoRect, 0, 0, pFrame->width, pFrame->height);
RECT subRect;
m_SubtitleFrame->GetOutputRect(&subRect);
ULONGLONG id;
POINT position;
SIZE size;
const uint8_t *rgbData;
int pitch;
for (int i = 0; i < count; i++) {
if (FAILED(m_SubtitleFrame->GetBitmap(i, &id, &position, &size, (LPCVOID *)&rgbData, &pitch))) {
DbgLog((LOG_TRACE, 10, L"GetBitmap() failed on index %d", i));
break;
}
ProcessSubtitleBitmap(format, bpp, videoRect, data, stride, subRect, position, size, rgbData, pitch);
}
if (pSurface)
pSurface->UnlockRect();
SafeRelease(&m_SubtitleFrame);
return S_OK;
}
return S_FALSE;
}
static struct {
LAVPixelFormat pixfmt;
AVPixelFormat ffpixfmt;
} lav_ff_subtitle_pixfmt_map[] = {
{ LAVPixFmt_YUV420, AV_PIX_FMT_YUVA420P },
{ LAVPixFmt_YUV420bX, AV_PIX_FMT_YUVA420P },
{ LAVPixFmt_YUV422, AV_PIX_FMT_YUVA422P },
{ LAVPixFmt_YUV422bX, AV_PIX_FMT_YUVA422P },
{ LAVPixFmt_YUV444, AV_PIX_FMT_YUVA444P },
{ LAVPixFmt_YUV444bX, AV_PIX_FMT_YUVA444P },
{ LAVPixFmt_NV12, AV_PIX_FMT_YUVA420P },
{ LAVPixFmt_YUY2, AV_PIX_FMT_YUVA422P },
{ LAVPixFmt_RGB24, AV_PIX_FMT_BGRA },
{ LAVPixFmt_RGB32, AV_PIX_FMT_BGRA },
{ LAVPixFmt_ARGB32, AV_PIX_FMT_BGRA },
};
static LAVPixFmtDesc ff_sub_pixfmt_desc[] = {
{ 1, 4, { 1, 2, 2, 1 }, { 1, 2, 2, 1 } }, ///< PIX_FMT_YUVA420P
{ 1, 4, { 1, 2, 2, 1 }, { 1, 1, 1, 1 } }, ///< PIX_FMT_YUVA422P
{ 1, 4, { 1, 1, 1, 1 }, { 1, 1, 1, 1 } }, ///< PIX_FMT_YUVA444P
{ 4, 1, { 1 }, { 1 } }, ///< PIX_FMT_BGRA
};
static LAVPixFmtDesc getFFSubPixelFormatDesc(AVPixelFormat pixFmt)
{
int index = 0;
switch(pixFmt) {
case AV_PIX_FMT_YUVA420P:
index = 0;
break;
case AV_PIX_FMT_YUVA422P:
index = 1;
break;
case AV_PIX_FMT_YUVA444P:
index = 2;
break;
case AV_PIX_FMT_BGRA:
index = 3;
break;
default:
ASSERT(0);
}
return ff_sub_pixfmt_desc[index];
}
static AVPixelFormat getFFPixFmtForSubtitle(LAVPixelFormat pixFmt)
{
AVPixelFormat fmt = AV_PIX_FMT_NONE;
for(int i = 0; i < countof(lav_ff_subtitle_pixfmt_map); i++) {
if (lav_ff_subtitle_pixfmt_map[i].pixfmt == pixFmt) {
return lav_ff_subtitle_pixfmt_map[i].ffpixfmt;
}
}
ASSERT(0);
return AV_PIX_FMT_NONE;
}
STDMETHODIMP CLAVSubtitleConsumer::SelectBlendFunction()
{
switch (m_PixFmt) {
case LAVPixFmt_RGB32:
case LAVPixFmt_RGB24:
blend = &CLAVSubtitleConsumer::blend_rgb_c;
break;
case LAVPixFmt_NV12:
blend = &CLAVSubtitleConsumer::blend_yuv_c<uint8_t,1>;
break;
case LAVPixFmt_YUV420:
case LAVPixFmt_YUV422:
case LAVPixFmt_YUV444:
blend = &CLAVSubtitleConsumer::blend_yuv_c<uint8_t,0>;
break;
case LAVPixFmt_YUV420bX:
case LAVPixFmt_YUV422bX:
case LAVPixFmt_YUV444bX:
blend = &CLAVSubtitleConsumer::blend_yuv_c<int16_t,0>;
break;
default:
DbgLog((LOG_ERROR, 10, L"ProcessSubtitleBitmap(): No Blend function available"));
blend = nullptr;
}
return S_OK;
}
STDMETHODIMP CLAVSubtitleConsumer::ProcessSubtitleBitmap(LAVPixelFormat pixFmt, int bpp, RECT videoRect, BYTE *videoData[4], ptrdiff_t videoStride[4], RECT subRect, POINT subPosition, SIZE subSize, const uint8_t *rgbData, ptrdiff_t pitch)
{
if (subRect.left != 0 || subRect.top != 0) {
DbgLog((LOG_ERROR, 10, L"ProcessSubtitleBitmap(): Left/Top in SubRect non-zero"));
}
BOOL bNeedScaling = FALSE;
// We need scaling if the width is not the same, or the subtitle rect is higher then the video rect
if (subRect.right != videoRect.right || subRect.bottom > videoRect.bottom) {
bNeedScaling = TRUE;
}
if (pixFmt != LAVPixFmt_RGB32 && pixFmt != LAVPixFmt_RGB24) {
bNeedScaling = TRUE;
}
if (m_PixFmt != pixFmt) {
m_PixFmt = pixFmt;
SelectBlendFunction();
}
BYTE *subData[4] = { nullptr, nullptr, nullptr, nullptr };
ptrdiff_t subStride[4] = { 0, 0, 0, 0 };
// If we need scaling (either scaling or pixel conversion), do it here before starting the blend process
if (bNeedScaling) {
uint8_t *tmpBuf = nullptr;
const AVPixelFormat avPixFmt = getFFPixFmtForSubtitle(pixFmt);
// Calculate scaled size
// We must ensure that the scaled subs still fit into the video
// HACK: Scale to video size. In the future, we should take AR and the likes into account
RECT newRect = videoRect;
/*
float subAR = (float)subRect.right / (float)subRect.bottom;
if (newRect.right != videoRect.right) {
newRect.right = videoRect.right;
newRect.bottom = (LONG)(newRect.right / subAR);
}
if (newRect.bottom > videoRect.bottom) {
newRect.bottom = videoRect.bottom;
newRect.right = (LONG)(newRect.bottom * subAR);
}*/
SIZE newSize;
newSize.cx = (LONG)av_rescale(subSize.cx, newRect.right, subRect.right);
newSize.cy = (LONG)av_rescale(subSize.cy, newRect.bottom, subRect.bottom);
// And scaled position
subPosition.x = (LONG)av_rescale(subPosition.x, newSize.cx, subSize.cx);
subPosition.y = (LONG)av_rescale(subPosition.y, newSize.cy, subSize.cy);
m_pSwsContext = sws_getCachedContext(m_pSwsContext, subSize.cx, subSize.cy, AV_PIX_FMT_BGRA, newSize.cx, newSize.cy, avPixFmt, SWS_BILINEAR|SWS_FULL_CHR_H_INP, nullptr, nullptr, nullptr);
const uint8_t *src[4] = { (const uint8_t *)rgbData, nullptr, nullptr, nullptr };
const ptrdiff_t srcStride[4] = { pitch * 4, 0, 0, 0 };
const LAVPixFmtDesc desc = getFFSubPixelFormatDesc(avPixFmt);
const ptrdiff_t stride = FFALIGN(newSize.cx, 64) * desc.codedbytes;
for (int plane = 0; plane < desc.planes; plane++) {
subStride[plane] = stride / desc.planeWidth[plane];
const size_t size = subStride[plane] * FFALIGN(newSize.cy, 2) / desc.planeHeight[plane];
subData[plane] = (BYTE *)av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
}
// Un-pre-multiply alpha for YUV formats
// TODO: Can we SIMD this? See ARGBUnattenuateRow_C/SSE2 in libyuv
if (avPixFmt != AV_PIX_FMT_BGRA) {
tmpBuf = (uint8_t *)av_malloc(pitch * subSize.cy * 4);
memcpy(tmpBuf, rgbData, pitch * subSize.cy * 4);
for (int line = 0; line < subSize.cy; line++) {
uint8_t *p = tmpBuf + line * pitch * 4;
for (int col = 0; col < subSize.cx; col++) {
if (p[3] != 0 && p[3] != 255) {
p[0] = av_clip_uint8(p[0] * 255 / p[3]);
p[1] = av_clip_uint8(p[1] * 255 / p[3]);
p[2] = av_clip_uint8(p[2] * 255 / p[3]);
}
p += 4;
}
}
src[0] = tmpBuf;
}
int ret = sws_scale2(m_pSwsContext, src, srcStride, 0, subSize.cy, subData, subStride);
subSize = newSize;
if (tmpBuf)
av_free(tmpBuf);
} else {
subData[0] = (BYTE *)rgbData;
subStride[0] = pitch * 4;
}
ASSERT((subPosition.x + subSize.cx) <= videoRect.right);
ASSERT((subPosition.y + subSize.cy) <= videoRect.bottom);
if (blend)
(this->*blend)(videoData, videoStride, videoRect, subData, subStride, subPosition, subSize, pixFmt, bpp);
if (bNeedScaling) {
for (int i = 0; i < 4; i++) {
av_freep(&subData[i]);
}
}
return S_OK;
}
|