63
67
return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1;
66
#define RET 0xC3 //near return opcode for x86
70
#define RET 0xC3 // near return opcode for x86
68
72
typedef struct FormatEntry {
69
73
int is_supported_in, is_supported_out;
72
static const FormatEntry format_entries[PIX_FMT_NB] = {
73
[PIX_FMT_YUV420P] = { 1 , 1 },
74
[PIX_FMT_YUYV422] = { 1 , 1 },
75
[PIX_FMT_RGB24] = { 1 , 1 },
76
[PIX_FMT_BGR24] = { 1 , 1 },
77
[PIX_FMT_YUV422P] = { 1 , 1 },
78
[PIX_FMT_YUV444P] = { 1 , 1 },
79
[PIX_FMT_YUV410P] = { 1 , 1 },
80
[PIX_FMT_YUV411P] = { 1 , 1 },
81
[PIX_FMT_GRAY8] = { 1 , 1 },
82
[PIX_FMT_MONOWHITE] = { 1 , 1 },
83
[PIX_FMT_MONOBLACK] = { 1 , 1 },
84
[PIX_FMT_PAL8] = { 1 , 0 },
85
[PIX_FMT_YUVJ420P] = { 1 , 1 },
86
[PIX_FMT_YUVJ422P] = { 1 , 1 },
87
[PIX_FMT_YUVJ444P] = { 1 , 1 },
88
[PIX_FMT_UYVY422] = { 1 , 1 },
89
[PIX_FMT_UYYVYY411] = { 0 , 0 },
90
[PIX_FMT_BGR8] = { 1 , 1 },
91
[PIX_FMT_BGR4] = { 0 , 1 },
92
[PIX_FMT_BGR4_BYTE] = { 1 , 1 },
93
[PIX_FMT_RGB8] = { 1 , 1 },
94
[PIX_FMT_RGB4] = { 0 , 1 },
95
[PIX_FMT_RGB4_BYTE] = { 1 , 1 },
96
[PIX_FMT_NV12] = { 1 , 1 },
97
[PIX_FMT_NV21] = { 1 , 1 },
98
[PIX_FMT_ARGB] = { 1 , 1 },
99
[PIX_FMT_RGBA] = { 1 , 1 },
100
[PIX_FMT_ABGR] = { 1 , 1 },
101
[PIX_FMT_BGRA] = { 1 , 1 },
102
[PIX_FMT_GRAY16BE] = { 1 , 1 },
103
[PIX_FMT_GRAY16LE] = { 1 , 1 },
104
[PIX_FMT_YUV440P] = { 1 , 1 },
105
[PIX_FMT_YUVJ440P] = { 1 , 1 },
106
[PIX_FMT_YUVA420P] = { 1 , 1 },
107
[PIX_FMT_RGB48BE] = { 1 , 1 },
108
[PIX_FMT_RGB48LE] = { 1 , 1 },
109
[PIX_FMT_RGB565BE] = { 1 , 1 },
110
[PIX_FMT_RGB565LE] = { 1 , 1 },
111
[PIX_FMT_RGB555BE] = { 1 , 1 },
112
[PIX_FMT_RGB555LE] = { 1 , 1 },
113
[PIX_FMT_BGR565BE] = { 1 , 1 },
114
[PIX_FMT_BGR565LE] = { 1 , 1 },
115
[PIX_FMT_BGR555BE] = { 1 , 1 },
116
[PIX_FMT_BGR555LE] = { 1 , 1 },
117
[PIX_FMT_YUV420P16LE] = { 1 , 1 },
118
[PIX_FMT_YUV420P16BE] = { 1 , 1 },
119
[PIX_FMT_YUV422P16LE] = { 1 , 1 },
120
[PIX_FMT_YUV422P16BE] = { 1 , 1 },
121
[PIX_FMT_YUV444P16LE] = { 1 , 1 },
122
[PIX_FMT_YUV444P16BE] = { 1 , 1 },
123
[PIX_FMT_RGB444LE] = { 1 , 1 },
124
[PIX_FMT_RGB444BE] = { 1 , 1 },
125
[PIX_FMT_BGR444LE] = { 1 , 1 },
126
[PIX_FMT_BGR444BE] = { 1 , 1 },
127
[PIX_FMT_Y400A] = { 1 , 0 },
128
[PIX_FMT_BGR48BE] = { 1 , 1 },
129
[PIX_FMT_BGR48LE] = { 1 , 1 },
130
[PIX_FMT_YUV420P9BE] = { 1 , 1 },
131
[PIX_FMT_YUV420P9LE] = { 1 , 1 },
132
[PIX_FMT_YUV420P10BE] = { 1 , 1 },
133
[PIX_FMT_YUV420P10LE] = { 1 , 1 },
134
[PIX_FMT_YUV422P9BE] = { 1 , 1 },
135
[PIX_FMT_YUV422P9LE] = { 1 , 1 },
136
[PIX_FMT_YUV422P10BE] = { 1 , 1 },
137
[PIX_FMT_YUV422P10LE] = { 1 , 1 },
138
[PIX_FMT_YUV444P9BE] = { 1 , 1 },
139
[PIX_FMT_YUV444P9LE] = { 1 , 1 },
140
[PIX_FMT_YUV444P10BE] = { 1 , 1 },
141
[PIX_FMT_YUV444P10LE] = { 1 , 1 },
142
[PIX_FMT_GBRP] = { 1 , 0 },
143
[PIX_FMT_GBRP9LE] = { 1 , 0 },
144
[PIX_FMT_GBRP9BE] = { 1 , 0 },
145
[PIX_FMT_GBRP10LE] = { 1 , 0 },
146
[PIX_FMT_GBRP10BE] = { 1 , 0 },
147
[PIX_FMT_GBRP16LE] = { 1 , 0 },
148
[PIX_FMT_GBRP16BE] = { 1 , 0 },
76
static const FormatEntry format_entries[AV_PIX_FMT_NB] = {
77
[AV_PIX_FMT_YUV420P] = { 1, 1 },
78
[AV_PIX_FMT_YUYV422] = { 1, 1 },
79
[AV_PIX_FMT_RGB24] = { 1, 1 },
80
[AV_PIX_FMT_BGR24] = { 1, 1 },
81
[AV_PIX_FMT_YUV422P] = { 1, 1 },
82
[AV_PIX_FMT_YUV444P] = { 1, 1 },
83
[AV_PIX_FMT_YUV410P] = { 1, 1 },
84
[AV_PIX_FMT_YUV411P] = { 1, 1 },
85
[AV_PIX_FMT_GRAY8] = { 1, 1 },
86
[AV_PIX_FMT_MONOWHITE] = { 1, 1 },
87
[AV_PIX_FMT_MONOBLACK] = { 1, 1 },
88
[AV_PIX_FMT_PAL8] = { 1, 0 },
89
[AV_PIX_FMT_YUVJ420P] = { 1, 1 },
90
[AV_PIX_FMT_YUVJ422P] = { 1, 1 },
91
[AV_PIX_FMT_YUVJ444P] = { 1, 1 },
92
[AV_PIX_FMT_UYVY422] = { 1, 1 },
93
[AV_PIX_FMT_UYYVYY411] = { 0, 0 },
94
[AV_PIX_FMT_BGR8] = { 1, 1 },
95
[AV_PIX_FMT_BGR4] = { 0, 1 },
96
[AV_PIX_FMT_BGR4_BYTE] = { 1, 1 },
97
[AV_PIX_FMT_RGB8] = { 1, 1 },
98
[AV_PIX_FMT_RGB4] = { 0, 1 },
99
[AV_PIX_FMT_RGB4_BYTE] = { 1, 1 },
100
[AV_PIX_FMT_NV12] = { 1, 1 },
101
[AV_PIX_FMT_NV21] = { 1, 1 },
102
[AV_PIX_FMT_ARGB] = { 1, 1 },
103
[AV_PIX_FMT_RGBA] = { 1, 1 },
104
[AV_PIX_FMT_ABGR] = { 1, 1 },
105
[AV_PIX_FMT_BGRA] = { 1, 1 },
106
[AV_PIX_FMT_GRAY16BE] = { 1, 1 },
107
[AV_PIX_FMT_GRAY16LE] = { 1, 1 },
108
[AV_PIX_FMT_YUV440P] = { 1, 1 },
109
[AV_PIX_FMT_YUVJ440P] = { 1, 1 },
110
[AV_PIX_FMT_YUVA420P] = { 1, 1 },
111
[AV_PIX_FMT_YUVA422P] = { 1, 1 },
112
[AV_PIX_FMT_YUVA444P] = { 1, 1 },
113
[AV_PIX_FMT_YUVA420P9BE] = { 1, 1 },
114
[AV_PIX_FMT_YUVA420P9LE] = { 1, 1 },
115
[AV_PIX_FMT_YUVA422P9BE] = { 1, 1 },
116
[AV_PIX_FMT_YUVA422P9LE] = { 1, 1 },
117
[AV_PIX_FMT_YUVA444P9BE] = { 1, 1 },
118
[AV_PIX_FMT_YUVA444P9LE] = { 1, 1 },
119
[AV_PIX_FMT_YUVA420P10BE]= { 1, 1 },
120
[AV_PIX_FMT_YUVA420P10LE]= { 1, 1 },
121
[AV_PIX_FMT_YUVA422P10BE]= { 1, 1 },
122
[AV_PIX_FMT_YUVA422P10LE]= { 1, 1 },
123
[AV_PIX_FMT_YUVA444P10BE]= { 1, 1 },
124
[AV_PIX_FMT_YUVA444P10LE]= { 1, 1 },
125
[AV_PIX_FMT_YUVA420P16BE]= { 1, 1 },
126
[AV_PIX_FMT_YUVA420P16LE]= { 1, 1 },
127
[AV_PIX_FMT_YUVA422P16BE]= { 1, 1 },
128
[AV_PIX_FMT_YUVA422P16LE]= { 1, 1 },
129
[AV_PIX_FMT_YUVA444P16BE]= { 1, 1 },
130
[AV_PIX_FMT_YUVA444P16LE]= { 1, 1 },
131
[AV_PIX_FMT_RGB48BE] = { 1, 1 },
132
[AV_PIX_FMT_RGB48LE] = { 1, 1 },
133
[AV_PIX_FMT_RGB565BE] = { 1, 1 },
134
[AV_PIX_FMT_RGB565LE] = { 1, 1 },
135
[AV_PIX_FMT_RGB555BE] = { 1, 1 },
136
[AV_PIX_FMT_RGB555LE] = { 1, 1 },
137
[AV_PIX_FMT_BGR565BE] = { 1, 1 },
138
[AV_PIX_FMT_BGR565LE] = { 1, 1 },
139
[AV_PIX_FMT_BGR555BE] = { 1, 1 },
140
[AV_PIX_FMT_BGR555LE] = { 1, 1 },
141
[AV_PIX_FMT_YUV420P16LE] = { 1, 1 },
142
[AV_PIX_FMT_YUV420P16BE] = { 1, 1 },
143
[AV_PIX_FMT_YUV422P16LE] = { 1, 1 },
144
[AV_PIX_FMT_YUV422P16BE] = { 1, 1 },
145
[AV_PIX_FMT_YUV444P16LE] = { 1, 1 },
146
[AV_PIX_FMT_YUV444P16BE] = { 1, 1 },
147
[AV_PIX_FMT_RGB444LE] = { 1, 1 },
148
[AV_PIX_FMT_RGB444BE] = { 1, 1 },
149
[AV_PIX_FMT_BGR444LE] = { 1, 1 },
150
[AV_PIX_FMT_BGR444BE] = { 1, 1 },
151
[AV_PIX_FMT_Y400A] = { 1, 0 },
152
[AV_PIX_FMT_BGR48BE] = { 1, 1 },
153
[AV_PIX_FMT_BGR48LE] = { 1, 1 },
154
[AV_PIX_FMT_YUV420P9BE] = { 1, 1 },
155
[AV_PIX_FMT_YUV420P9LE] = { 1, 1 },
156
[AV_PIX_FMT_YUV420P10BE] = { 1, 1 },
157
[AV_PIX_FMT_YUV420P10LE] = { 1, 1 },
158
[AV_PIX_FMT_YUV422P9BE] = { 1, 1 },
159
[AV_PIX_FMT_YUV422P9LE] = { 1, 1 },
160
[AV_PIX_FMT_YUV422P10BE] = { 1, 1 },
161
[AV_PIX_FMT_YUV422P10LE] = { 1, 1 },
162
[AV_PIX_FMT_YUV444P9BE] = { 1, 1 },
163
[AV_PIX_FMT_YUV444P9LE] = { 1, 1 },
164
[AV_PIX_FMT_YUV444P10BE] = { 1, 1 },
165
[AV_PIX_FMT_YUV444P10LE] = { 1, 1 },
166
[AV_PIX_FMT_GBRP] = { 1, 0 },
167
[AV_PIX_FMT_GBRP9LE] = { 1, 0 },
168
[AV_PIX_FMT_GBRP9BE] = { 1, 0 },
169
[AV_PIX_FMT_GBRP10LE] = { 1, 0 },
170
[AV_PIX_FMT_GBRP10BE] = { 1, 0 },
171
[AV_PIX_FMT_GBRP16LE] = { 1, 0 },
172
[AV_PIX_FMT_GBRP16BE] = { 1, 0 },
151
int sws_isSupportedInput(enum PixelFormat pix_fmt)
175
int sws_isSupportedInput(enum AVPixelFormat pix_fmt)
153
return (unsigned)pix_fmt < PIX_FMT_NB ?
154
format_entries[pix_fmt].is_supported_in : 0;
177
return (unsigned)pix_fmt < AV_PIX_FMT_NB ?
178
format_entries[pix_fmt].is_supported_in : 0;
157
int sws_isSupportedOutput(enum PixelFormat pix_fmt)
181
int sws_isSupportedOutput(enum AVPixelFormat pix_fmt)
159
return (unsigned)pix_fmt < PIX_FMT_NB ?
160
format_entries[pix_fmt].is_supported_out : 0;
183
return (unsigned)pix_fmt < AV_PIX_FMT_NB ?
184
format_entries[pix_fmt].is_supported_out : 0;
163
187
extern const int32_t ff_yuv2rgb_coeffs[8][4];
165
const char *sws_format_name(enum PixelFormat format)
189
const char *sws_format_name(enum AVPixelFormat format)
167
if ((unsigned)format < PIX_FMT_NB && av_pix_fmt_descriptors[format].name)
168
return av_pix_fmt_descriptors[format].name;
191
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(format);
170
195
return "Unknown format";
173
static double getSplineCoeff(double a, double b, double c, double d, double dist)
198
static double getSplineCoeff(double a, double b, double c, double d,
175
if (dist<=1.0) return ((d*dist + c)*dist + b)*dist +a;
176
else return getSplineCoeff( 0.0,
202
return ((d * dist + c) * dist + b) * dist + a;
204
return getSplineCoeff(0.0,
205
b + 2.0 * c + 3.0 * d,
207
-b - 3.0 * c - 6.0 * d,
183
static int initFilter(int16_t **outFilter, int32_t **filterPos, int *outFilterSize, int xInc,
184
int srcW, int dstW, int filterAlign, int one, int flags, int cpu_flags,
185
SwsVector *srcFilter, SwsVector *dstFilter, double param[2], int is_horizontal)
211
static int initFilter(int16_t **outFilter, int32_t **filterPos,
212
int *outFilterSize, int xInc, int srcW, int dstW,
213
int filterAlign, int one, int flags, int cpu_flags,
214
SwsVector *srcFilter, SwsVector *dstFilter,
215
double param[2], int is_horizontal)
190
220
int minFilterSize;
191
int64_t *filter=NULL;
192
int64_t *filter2=NULL;
193
const int64_t fone= 1LL<<54;
196
emms_c(); //FIXME this should not be required but it IS (even for non-MMX versions)
198
// NOTE: the +3 is for the MMX(+1)/SSE(+3) scaler which reads over the end
199
FF_ALLOC_OR_GOTO(NULL, *filterPos, (dstW+3)*sizeof(**filterPos), fail);
201
if (FFABS(xInc - 0x10000) <10) { // unscaled
204
FF_ALLOCZ_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail);
206
for (i=0; i<dstW; i++) {
207
filter[i*filterSize]= fone;
211
} else if (flags&SWS_POINT) { // lame looking point sampling mode
215
FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail);
217
xDstInSrc= xInc/2 - 0x8000;
218
for (i=0; i<dstW; i++) {
219
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16;
225
} else if ((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) { // bilinear upscale
229
FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail);
231
xDstInSrc= xInc/2 - 0x8000;
232
for (i=0; i<dstW; i++) {
233
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16;
221
int64_t *filter = NULL;
222
int64_t *filter2 = NULL;
223
const int64_t fone = 1LL << 54;
226
emms_c(); // FIXME should not be required but IS (even for non-MMX versions)
228
// NOTE: the +3 is for the MMX(+1) / SSE(+3) scaler which reads over the end
229
FF_ALLOC_OR_GOTO(NULL, *filterPos, (dstW + 3) * sizeof(**filterPos), fail);
231
if (FFABS(xInc - 0x10000) < 10) { // unscaled
234
FF_ALLOCZ_OR_GOTO(NULL, filter,
235
dstW * sizeof(*filter) * filterSize, fail);
237
for (i = 0; i < dstW; i++) {
238
filter[i * filterSize] = fone;
241
} else if (flags & SWS_POINT) { // lame looking point sampling mode
245
FF_ALLOC_OR_GOTO(NULL, filter,
246
dstW * sizeof(*filter) * filterSize, fail);
248
xDstInSrc = xInc / 2 - 0x8000;
249
for (i = 0; i < dstW; i++) {
250
int xx = (xDstInSrc - ((filterSize - 1) << 15) + (1 << 15)) >> 16;
252
(*filterPos)[i] = xx;
256
} else if ((xInc <= (1 << 16) && (flags & SWS_AREA)) ||
257
(flags & SWS_FAST_BILINEAR)) { // bilinear upscale
261
FF_ALLOC_OR_GOTO(NULL, filter,
262
dstW * sizeof(*filter) * filterSize, fail);
264
xDstInSrc = xInc / 2 - 0x8000;
265
for (i = 0; i < dstW; i++) {
266
int xx = (xDstInSrc - ((filterSize - 1) << 15) + (1 << 15)) >> 16;
237
//bilinear upscale / linear interpolate / area averaging
238
for (j=0; j<filterSize; j++) {
239
int64_t coeff= fone - FFABS((xx<<16) - xDstInSrc)*(fone>>16);
240
if (coeff<0) coeff=0;
241
filter[i*filterSize + j]= coeff;
269
(*filterPos)[i] = xx;
270
// bilinear upscale / linear interpolate / area averaging
271
for (j = 0; j < filterSize; j++) {
272
int64_t coeff = fone - FFABS((xx << 16) - xDstInSrc) *
276
filter[i * filterSize + j] = coeff;
247
282
int64_t xDstInSrc;
250
if (flags&SWS_BICUBIC) sizeFactor= 4;
251
else if (flags&SWS_X) sizeFactor= 8;
252
else if (flags&SWS_AREA) sizeFactor= 1; //downscale only, for upscale it is bilinear
253
else if (flags&SWS_GAUSS) sizeFactor= 8; // infinite ;)
254
else if (flags&SWS_LANCZOS) sizeFactor= param[0] != SWS_PARAM_DEFAULT ? ceil(2*param[0]) : 6;
255
else if (flags&SWS_SINC) sizeFactor= 20; // infinite ;)
256
else if (flags&SWS_SPLINE) sizeFactor= 20; // infinite ;)
257
else if (flags&SWS_BILINEAR) sizeFactor= 2;
285
if (flags & SWS_BICUBIC)
287
else if (flags & SWS_X)
289
else if (flags & SWS_AREA)
290
sizeFactor = 1; // downscale only, for upscale it is bilinear
291
else if (flags & SWS_GAUSS)
292
sizeFactor = 8; // infinite ;)
293
else if (flags & SWS_LANCZOS)
294
sizeFactor = param[0] != SWS_PARAM_DEFAULT ? ceil(2 * param[0]) : 6;
295
else if (flags & SWS_SINC)
296
sizeFactor = 20; // infinite ;)
297
else if (flags & SWS_SPLINE)
298
sizeFactor = 20; // infinite ;)
299
else if (flags & SWS_BILINEAR)
259
sizeFactor= 0; //GCC warning killer
302
sizeFactor = 0; // GCC warning killer
263
if (xInc <= 1<<16) filterSize= 1 + sizeFactor; // upscale
264
else filterSize= 1 + (sizeFactor*srcW + dstW - 1)/ dstW;
266
filterSize = av_clip(filterSize, 1, srcW - 2);
268
FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail);
270
xDstInSrc= xInc - 0x10000;
271
for (i=0; i<dstW; i++) {
272
int xx= (xDstInSrc - ((filterSize-2)<<16)) / (1<<17);
307
filterSize = 1 + sizeFactor; // upscale
309
filterSize = 1 + (sizeFactor * srcW + dstW - 1) / dstW;
311
filterSize = FFMIN(filterSize, srcW - 2);
312
filterSize = FFMAX(filterSize, 1);
314
FF_ALLOC_OR_GOTO(NULL, filter,
315
dstW * sizeof(*filter) * filterSize, fail);
317
xDstInSrc = xInc - 0x10000;
318
for (i = 0; i < dstW; i++) {
319
int xx = (xDstInSrc - ((filterSize - 2) << 16)) / (1 << 17);
275
for (j=0; j<filterSize; j++) {
276
int64_t d= ((int64_t)FFABS((xx<<17) - xDstInSrc))<<13;
321
(*filterPos)[i] = xx;
322
for (j = 0; j < filterSize; j++) {
323
int64_t d = (FFABS(((int64_t)xx << 17) - xDstInSrc)) << 13;
282
floatd= d * (1.0/(1<<30));
329
floatd = d * (1.0 / (1 << 30));
284
331
if (flags & SWS_BICUBIC) {
285
int64_t B= (param[0] != SWS_PARAM_DEFAULT ? param[0] : 0) * (1<<24);
286
int64_t C= (param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6) * (1<<24);
332
int64_t B = (param[0] != SWS_PARAM_DEFAULT ? param[0] : 0) * (1 << 24);
333
int64_t C = (param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6) * (1 << 24);
335
if (d >= 1LL << 31) {
291
338
int64_t dd = (d * d) >> 30;
292
339
int64_t ddd = (dd * d) >> 30;
295
coeff = (12*(1<<24)-9*B-6*C)*ddd + (-18*(1<<24)+12*B+6*C)*dd + (6*(1<<24)-2*B)*(1<<30);
342
coeff = (12 * (1 << 24) - 9 * B - 6 * C) * ddd +
343
(-18 * (1 << 24) + 12 * B + 6 * C) * dd +
344
(6 * (1 << 24) - 2 * B) * (1 << 30);
297
coeff = (-B-6*C)*ddd + (6*B+30*C)*dd + (-12*B-48*C)*d + (8*B+24*C)*(1<<30);
346
coeff = (-B - 6 * C) * ddd +
347
(6 * B + 30 * C) * dd +
348
(-12 * B - 48 * C) * d +
349
(8 * B + 24 * C) * (1 << 30);
299
coeff *= fone>>(30+24);
301
/* else if (flags & SWS_X) {
302
double p= param ? param*0.01 : 0.3;
303
coeff = d ? sin(d*M_PI)/(d*M_PI) : 1.0;
304
coeff*= pow(2.0, - p*d*d);
306
else if (flags & SWS_X) {
307
double A= param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0;
351
coeff *= fone >> (30 + 24);
354
else if (flags & SWS_X) {
355
double p = param ? param * 0.01 : 0.3;
356
coeff = d ? sin(d * M_PI) / (d * M_PI) : 1.0;
357
coeff *= pow(2.0, -p * d * d);
360
else if (flags & SWS_X) {
361
double A = param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0;
311
c = cos(floatd*M_PI);
314
if (c<0.0) c= -pow(-c, A);
316
coeff= (c*0.5 + 0.5)*fone;
365
c = cos(floatd * M_PI);
372
coeff = (c * 0.5 + 0.5) * fone;
317
373
} else if (flags & SWS_AREA) {
318
int64_t d2= d - (1<<29);
319
if (d2*xInc < -(1LL<<(29+16))) coeff= 1.0 * (1LL<<(30+16));
320
else if (d2*xInc < (1LL<<(29+16))) coeff= -d2*xInc + (1LL<<(29+16));
322
coeff *= fone>>(30+16);
374
int64_t d2 = d - (1 << 29);
375
if (d2 * xInc < -(1LL << (29 + 16)))
376
coeff = 1.0 * (1LL << (30 + 16));
377
else if (d2 * xInc < (1LL << (29 + 16)))
378
coeff = -d2 * xInc + (1LL << (29 + 16));
381
coeff *= fone >> (30 + 16);
323
382
} else if (flags & SWS_GAUSS) {
324
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
325
coeff = (pow(2.0, - p*floatd*floatd))*fone;
383
double p = param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
384
coeff = (pow(2.0, -p * floatd * floatd)) * fone;
326
385
} else if (flags & SWS_SINC) {
327
coeff = (d ? sin(floatd*M_PI)/(floatd*M_PI) : 1.0)*fone;
386
coeff = (d ? sin(floatd * M_PI) / (floatd * M_PI) : 1.0) * fone;
328
387
} else if (flags & SWS_LANCZOS) {
329
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
330
coeff = (d ? sin(floatd*M_PI)*sin(floatd*M_PI/p)/(floatd*floatd*M_PI*M_PI/p) : 1.0)*fone;
331
if (floatd>p) coeff=0;
388
double p = param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
389
coeff = (d ? sin(floatd * M_PI) * sin(floatd * M_PI / p) /
390
(floatd * floatd * M_PI * M_PI / p) : 1.0) * fone;
332
393
} else if (flags & SWS_BILINEAR) {
334
if (coeff<0) coeff=0;
394
coeff = (1 << 30) - d;
335
397
coeff *= fone >> 30;
336
398
} else if (flags & SWS_SPLINE) {
337
double p=-2.196152422706632;
338
coeff = getSplineCoeff(1.0, 0.0, p, -p-1.0, floatd) * fone;
399
double p = -2.196152422706632;
400
coeff = getSplineCoeff(1.0, 0.0, p, -p - 1.0, floatd) * fone;
340
coeff= 0.0; //GCC warning killer
402
coeff = 0.0; // GCC warning killer
344
filter[i*filterSize + j]= coeff;
406
filter[i * filterSize + j] = coeff;
409
xDstInSrc += 2 * xInc;
351
413
/* apply src & dst Filter to filter -> filter2
354
assert(filterSize>0);
355
filter2Size= filterSize;
356
if (srcFilter) filter2Size+= srcFilter->length - 1;
357
if (dstFilter) filter2Size+= dstFilter->length - 1;
358
assert(filter2Size>0);
359
FF_ALLOCZ_OR_GOTO(NULL, filter2, filter2Size*dstW*sizeof(*filter2), fail);
416
assert(filterSize > 0);
417
filter2Size = filterSize;
419
filter2Size += srcFilter->length - 1;
421
filter2Size += dstFilter->length - 1;
422
assert(filter2Size > 0);
423
FF_ALLOCZ_OR_GOTO(NULL, filter2, filter2Size * dstW * sizeof(*filter2), fail);
361
for (i=0; i<dstW; i++) {
425
for (i = 0; i < dstW; i++) {
365
for (k=0; k<srcFilter->length; k++) {
366
for (j=0; j<filterSize; j++)
367
filter2[i*filter2Size + k + j] += srcFilter->coeff[k]*filter[i*filterSize + j];
429
for (k = 0; k < srcFilter->length; k++) {
430
for (j = 0; j < filterSize; j++)
431
filter2[i * filter2Size + k + j] +=
432
srcFilter->coeff[k] * filter[i * filterSize + j];
370
for (j=0; j<filterSize; j++)
371
filter2[i*filter2Size + j]= filter[i*filterSize + j];
435
for (j = 0; j < filterSize; j++)
436
filter2[i * filter2Size + j] = filter[i * filterSize + j];
375
(*filterPos)[i]+= (filterSize-1)/2 - (filter2Size-1)/2;
440
(*filterPos)[i] += (filterSize - 1) / 2 - (filter2Size - 1) / 2;
377
442
av_freep(&filter);
379
444
/* try to reduce the filter-size (step1 find size and shift left) */
380
445
// Assume it is near normalized (*0.5 or *2.0 is OK but * 0.001 is not).
382
for (i=dstW-1; i>=0; i--) {
383
int min= filter2Size;
447
for (i = dstW - 1; i >= 0; i--) {
448
int min = filter2Size;
450
int64_t cutOff = 0.0;
387
452
/* get rid of near zero elements on the left by shifting left */
388
for (j=0; j<filter2Size; j++) {
453
for (j = 0; j < filter2Size; j++) {
390
cutOff += FFABS(filter2[i*filter2Size]);
392
if (cutOff > SWS_MAX_REDUCE_CUTOFF*fone) break;
394
/* preserve monotonicity because the core can't handle the filter otherwise */
395
if (i<dstW-1 && (*filterPos)[i] >= (*filterPos)[i+1]) break;
455
cutOff += FFABS(filter2[i * filter2Size]);
457
if (cutOff > SWS_MAX_REDUCE_CUTOFF * fone)
460
/* preserve monotonicity because the core can't handle the
461
* filter otherwise */
462
if (i < dstW - 1 && (*filterPos)[i] >= (*filterPos)[i + 1])
397
465
// move filter coefficients left
398
for (k=1; k<filter2Size; k++)
399
filter2[i*filter2Size + k - 1]= filter2[i*filter2Size + k];
400
filter2[i*filter2Size + k - 1]= 0;
466
for (k = 1; k < filter2Size; k++)
467
filter2[i * filter2Size + k - 1] = filter2[i * filter2Size + k];
468
filter2[i * filter2Size + k - 1] = 0;
401
469
(*filterPos)[i]++;
405
473
/* count near zeros on the right */
406
for (j=filter2Size-1; j>0; j--) {
407
cutOff += FFABS(filter2[i*filter2Size + j]);
474
for (j = filter2Size - 1; j > 0; j--) {
475
cutOff += FFABS(filter2[i * filter2Size + j]);
409
if (cutOff > SWS_MAX_REDUCE_CUTOFF*fone) break;
477
if (cutOff > SWS_MAX_REDUCE_CUTOFF * fone)
413
if (min>minFilterSize) minFilterSize= min;
482
if (min > minFilterSize)
416
486
if (HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC) {
417
// we can handle the special case 4,
418
// so we don't want to go to the full 8
487
// we can handle the special case 4, so we don't want to go the full 8
419
488
if (minFilterSize < 5)
422
// We really don't want to waste our time
423
// doing useless computation, so fall back on
424
// the scalar C code for very small filters.
425
// Vectorizing is worth it only if you have a
426
// decent-sized vector.
491
/* We really don't want to waste our time doing useless computation, so
492
* fall back on the scalar C code for very small filters.
493
* Vectorizing is worth it only if you have a decent-sized vector. */
427
494
if (minFilterSize < 3)
431
if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) {
498
if (INLINE_MMX(cpu_flags)) {
432
499
// special case for unscaled vertical filtering
433
500
if (minFilterSize == 1 && filterAlign == 2)
437
504
assert(minFilterSize > 0);
438
filterSize= (minFilterSize +(filterAlign-1)) & (~(filterAlign-1));
505
filterSize = (minFilterSize + (filterAlign - 1)) & (~(filterAlign - 1));
439
506
assert(filterSize > 0);
440
filter= av_malloc(filterSize*dstW*sizeof(*filter));
441
if (filterSize >= MAX_FILTER_SIZE*16/((flags&SWS_ACCURATE_RND) ? APCK_SIZE : 16) || !filter)
507
filter = av_malloc(filterSize * dstW * sizeof(*filter));
508
if (filterSize >= MAX_FILTER_SIZE * 16 /
509
((flags & SWS_ACCURATE_RND) ? APCK_SIZE : 16) || !filter)
443
*outFilterSize= filterSize;
511
*outFilterSize = filterSize;
445
if (flags&SWS_PRINT_INFO)
446
av_log(NULL, AV_LOG_VERBOSE, "SwScaler: reducing / aligning filtersize %d -> %d\n", filter2Size, filterSize);
513
if (flags & SWS_PRINT_INFO)
514
av_log(NULL, AV_LOG_VERBOSE,
515
"SwScaler: reducing / aligning filtersize %d -> %d\n",
516
filter2Size, filterSize);
447
517
/* try to reduce the filter-size (step2 reduce it) */
448
for (i=0; i<dstW; i++) {
518
for (i = 0; i < dstW; i++) {
451
for (j=0; j<filterSize; j++) {
452
if (j>=filter2Size) filter[i*filterSize + j]= 0;
453
else filter[i*filterSize + j]= filter2[i*filter2Size + j];
454
if((flags & SWS_BITEXACT) && j>=minFilterSize)
455
filter[i*filterSize + j]= 0;
521
for (j = 0; j < filterSize; j++) {
522
if (j >= filter2Size)
523
filter[i * filterSize + j] = 0;
525
filter[i * filterSize + j] = filter2[i * filter2Size + j];
526
if ((flags & SWS_BITEXACT) && j >= minFilterSize)
527
filter[i * filterSize + j] = 0;
459
//FIXME try to align filterPos if possible
531
// FIXME try to align filterPos if possible
462
534
if (is_horizontal) {
463
535
for (i = 0; i < dstW; i++) {
719
806
int *srcRange, int **table, int *dstRange,
720
807
int *brightness, int *contrast, int *saturation)
722
if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1;
809
if (isYUV(c->dstFormat) || isGray(c->dstFormat))
724
*inv_table = c->srcColorspaceTable;
725
*table = c->dstColorspaceTable;
726
*srcRange = c->srcRange;
727
*dstRange = c->dstRange;
728
*brightness= c->brightness;
729
*contrast = c->contrast;
730
*saturation= c->saturation;
812
*inv_table = c->srcColorspaceTable;
813
*table = c->dstColorspaceTable;
814
*srcRange = c->srcRange;
815
*dstRange = c->dstRange;
816
*brightness = c->brightness;
817
*contrast = c->contrast;
818
*saturation = c->saturation;
735
static int handle_jpeg(enum PixelFormat *format)
823
static int handle_jpeg(enum AVPixelFormat *format)
737
825
switch (*format) {
738
case PIX_FMT_YUVJ420P: *format = PIX_FMT_YUV420P; return 1;
739
case PIX_FMT_YUVJ422P: *format = PIX_FMT_YUV422P; return 1;
740
case PIX_FMT_YUVJ444P: *format = PIX_FMT_YUV444P; return 1;
741
case PIX_FMT_YUVJ440P: *format = PIX_FMT_YUV440P; return 1;
826
case AV_PIX_FMT_YUVJ420P:
827
*format = AV_PIX_FMT_YUV420P;
829
case AV_PIX_FMT_YUVJ422P:
830
*format = AV_PIX_FMT_YUV422P;
832
case AV_PIX_FMT_YUVJ444P:
833
*format = AV_PIX_FMT_YUV444P;
835
case AV_PIX_FMT_YUVJ440P:
836
*format = AV_PIX_FMT_YUV440P;
746
843
SwsContext *sws_alloc_context(void)
748
SwsContext *c= av_mallocz(sizeof(SwsContext));
845
SwsContext *c = av_mallocz(sizeof(SwsContext));
750
c->av_class = &sws_context_class;
751
av_opt_set_defaults(c);
848
c->av_class = &sws_context_class;
849
av_opt_set_defaults(c);
756
int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
855
av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
856
SwsFilter *dstFilter)
759
859
int usesVFilter, usesHFilter;
761
SwsFilter dummyFilter= {NULL, NULL, NULL, NULL};
766
int dst_stride = FFALIGN(dstW * sizeof(int16_t) + 16, 16), dst_stride_px = dst_stride >> 1;
861
SwsFilter dummyFilter = { NULL, NULL, NULL, NULL };
866
int dst_stride = FFALIGN(dstW * sizeof(int16_t) + 16, 16);
867
int dst_stride_px = dst_stride >> 1;
767
868
int flags, cpu_flags;
768
enum PixelFormat srcFormat= c->srcFormat;
769
enum PixelFormat dstFormat= c->dstFormat;
869
enum AVPixelFormat srcFormat = c->srcFormat;
870
enum AVPixelFormat dstFormat = c->dstFormat;
871
const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(srcFormat);
872
const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(dstFormat);
771
874
cpu_flags = av_get_cpu_flags();
772
875
flags = c->flags;
774
if (!rgb15to16) sws_rgb2rgb_init();
776
880
unscaled = (srcW == dstW && srcH == dstH);
778
882
if (!sws_isSupportedInput(srcFormat)) {
779
av_log(c, AV_LOG_ERROR, "%s is not supported as input pixel format\n", sws_format_name(srcFormat));
883
av_log(c, AV_LOG_ERROR, "%s is not supported as input pixel format\n",
884
sws_format_name(srcFormat));
780
885
return AVERROR(EINVAL);
782
887
if (!sws_isSupportedOutput(dstFormat)) {
783
av_log(c, AV_LOG_ERROR, "%s is not supported as output pixel format\n", sws_format_name(dstFormat));
888
av_log(c, AV_LOG_ERROR, "%s is not supported as output pixel format\n",
889
sws_format_name(dstFormat));
784
890
return AVERROR(EINVAL);
787
i= flags & ( SWS_POINT
798
if(!i || (i & (i-1))) {
799
av_log(c, AV_LOG_ERROR, "Exactly one scaler algorithm must be chosen\n");
893
i = flags & (SWS_POINT |
904
if (!i || (i & (i - 1))) {
905
av_log(c, AV_LOG_ERROR,
906
"Exactly one scaler algorithm must be chosen\n");
800
907
return AVERROR(EINVAL);
802
909
/* sanity check */
803
if (srcW<4 || srcH<1 || dstW<8 || dstH<1) { //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code
910
if (srcW < 4 || srcH < 1 || dstW < 8 || dstH < 1) {
911
/* FIXME check if these are enough and try to lower them after
912
* fixing the relevant parts of the code */
804
913
av_log(c, AV_LOG_ERROR, "%dx%d -> %dx%d is invalid scaling dimension\n",
805
914
srcW, srcH, dstW, dstH);
806
915
return AVERROR(EINVAL);
809
if (!dstFilter) dstFilter= &dummyFilter;
810
if (!srcFilter) srcFilter= &dummyFilter;
812
c->lumXInc= (((int64_t)srcW<<16) + (dstW>>1))/dstW;
813
c->lumYInc= (((int64_t)srcH<<16) + (dstH>>1))/dstH;
814
c->dstFormatBpp = av_get_bits_per_pixel(&av_pix_fmt_descriptors[dstFormat]);
815
c->srcFormatBpp = av_get_bits_per_pixel(&av_pix_fmt_descriptors[srcFormat]);
816
c->vRounder= 4* 0x0001000100010001ULL;
818
usesVFilter = (srcFilter->lumV && srcFilter->lumV->length>1) ||
819
(srcFilter->chrV && srcFilter->chrV->length>1) ||
820
(dstFilter->lumV && dstFilter->lumV->length>1) ||
821
(dstFilter->chrV && dstFilter->chrV->length>1);
822
usesHFilter = (srcFilter->lumH && srcFilter->lumH->length>1) ||
823
(srcFilter->chrH && srcFilter->chrH->length>1) ||
824
(dstFilter->lumH && dstFilter->lumH->length>1) ||
825
(dstFilter->chrH && dstFilter->chrH->length>1);
919
dstFilter = &dummyFilter;
921
srcFilter = &dummyFilter;
923
c->lumXInc = (((int64_t)srcW << 16) + (dstW >> 1)) / dstW;
924
c->lumYInc = (((int64_t)srcH << 16) + (dstH >> 1)) / dstH;
925
c->dstFormatBpp = av_get_bits_per_pixel(desc_dst);
926
c->srcFormatBpp = av_get_bits_per_pixel(desc_src);
927
c->vRounder = 4 * 0x0001000100010001ULL;
929
usesVFilter = (srcFilter->lumV && srcFilter->lumV->length > 1) ||
930
(srcFilter->chrV && srcFilter->chrV->length > 1) ||
931
(dstFilter->lumV && dstFilter->lumV->length > 1) ||
932
(dstFilter->chrV && dstFilter->chrV->length > 1);
933
usesHFilter = (srcFilter->lumH && srcFilter->lumH->length > 1) ||
934
(srcFilter->chrH && srcFilter->chrH->length > 1) ||
935
(dstFilter->lumH && dstFilter->lumH->length > 1) ||
936
(dstFilter->chrH && dstFilter->chrH->length > 1);
827
938
getSubSampleFactors(&c->chrSrcHSubSample, &c->chrSrcVSubSample, srcFormat);
828
939
getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat);
830
// reuse chroma for 2 pixels RGB/BGR unless user wants full chroma interpolation
941
/* reuse chroma for 2 pixels RGB/BGR unless user wants full
942
* chroma interpolation */
831
943
if (flags & SWS_FULL_CHR_H_INT &&
832
isAnyRGB(dstFormat) &&
833
dstFormat != PIX_FMT_RGBA &&
834
dstFormat != PIX_FMT_ARGB &&
835
dstFormat != PIX_FMT_BGRA &&
836
dstFormat != PIX_FMT_ABGR &&
837
dstFormat != PIX_FMT_RGB24 &&
838
dstFormat != PIX_FMT_BGR24) {
944
isAnyRGB(dstFormat) &&
945
dstFormat != AV_PIX_FMT_RGBA &&
946
dstFormat != AV_PIX_FMT_ARGB &&
947
dstFormat != AV_PIX_FMT_BGRA &&
948
dstFormat != AV_PIX_FMT_ABGR &&
949
dstFormat != AV_PIX_FMT_RGB24 &&
950
dstFormat != AV_PIX_FMT_BGR24) {
839
951
av_log(c, AV_LOG_ERROR,
840
952
"full chroma interpolation for destination format '%s' not yet implemented\n",
841
953
sws_format_name(dstFormat));
842
flags &= ~SWS_FULL_CHR_H_INT;
954
flags &= ~SWS_FULL_CHR_H_INT;
843
955
c->flags = flags;
845
if (isAnyRGB(dstFormat) && !(flags&SWS_FULL_CHR_H_INT)) c->chrDstHSubSample=1;
957
if (isAnyRGB(dstFormat) && !(flags & SWS_FULL_CHR_H_INT))
958
c->chrDstHSubSample = 1;
847
960
// drop some chroma lines if the user wants it
848
c->vChrDrop= (flags&SWS_SRC_V_CHR_DROP_MASK)>>SWS_SRC_V_CHR_DROP_SHIFT;
849
c->chrSrcVSubSample+= c->vChrDrop;
961
c->vChrDrop = (flags & SWS_SRC_V_CHR_DROP_MASK) >>
962
SWS_SRC_V_CHR_DROP_SHIFT;
963
c->chrSrcVSubSample += c->vChrDrop;
851
// drop every other pixel for chroma calculation unless user wants full chroma
852
if (isAnyRGB(srcFormat) && !(flags&SWS_FULL_CHR_H_INP)
853
&& srcFormat!=PIX_FMT_RGB8 && srcFormat!=PIX_FMT_BGR8
854
&& srcFormat!=PIX_FMT_RGB4 && srcFormat!=PIX_FMT_BGR4
855
&& srcFormat!=PIX_FMT_RGB4_BYTE && srcFormat!=PIX_FMT_BGR4_BYTE
856
&& ((dstW>>c->chrDstHSubSample) <= (srcW>>1) || (flags&SWS_FAST_BILINEAR)))
857
c->chrSrcHSubSample=1;
965
/* drop every other pixel for chroma calculation unless user
966
* wants full chroma */
967
if (isAnyRGB(srcFormat) && !(flags & SWS_FULL_CHR_H_INP) &&
968
srcFormat != AV_PIX_FMT_RGB8 && srcFormat != AV_PIX_FMT_BGR8 &&
969
srcFormat != AV_PIX_FMT_RGB4 && srcFormat != AV_PIX_FMT_BGR4 &&
970
srcFormat != AV_PIX_FMT_RGB4_BYTE && srcFormat != AV_PIX_FMT_BGR4_BYTE &&
971
((dstW >> c->chrDstHSubSample) <= (srcW >> 1) ||
972
(flags & SWS_FAST_BILINEAR)))
973
c->chrSrcHSubSample = 1;
859
975
// Note the -((-x)>>y) is so that we always round toward +inf.
860
c->chrSrcW= -((-srcW) >> c->chrSrcHSubSample);
861
c->chrSrcH= -((-srcH) >> c->chrSrcVSubSample);
862
c->chrDstW= -((-dstW) >> c->chrDstHSubSample);
863
c->chrDstH= -((-dstH) >> c->chrDstVSubSample);
976
c->chrSrcW = -((-srcW) >> c->chrSrcHSubSample);
977
c->chrSrcH = -((-srcH) >> c->chrSrcVSubSample);
978
c->chrDstW = -((-dstW) >> c->chrDstHSubSample);
979
c->chrDstH = -((-dstH) >> c->chrDstVSubSample);
865
981
/* unscaled special cases */
866
if (unscaled && !usesHFilter && !usesVFilter && (c->srcRange == c->dstRange || isAnyRGB(dstFormat))) {
982
if (unscaled && !usesHFilter && !usesVFilter &&
983
(c->srcRange == c->dstRange || isAnyRGB(dstFormat))) {
867
984
ff_get_unscaled_swscale(c);
869
986
if (c->swScale) {
870
if (flags&SWS_PRINT_INFO)
871
av_log(c, AV_LOG_INFO, "using unscaled %s -> %s special converter\n",
987
if (flags & SWS_PRINT_INFO)
988
av_log(c, AV_LOG_INFO,
989
"using unscaled %s -> %s special converter\n",
872
990
sws_format_name(srcFormat), sws_format_name(dstFormat));
877
c->srcBpc = 1 + av_pix_fmt_descriptors[srcFormat].comp[0].depth_minus1;
995
c->srcBpc = 1 + desc_src->comp[0].depth_minus1;
878
996
if (c->srcBpc < 8)
880
c->dstBpc = 1 + av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1;
998
c->dstBpc = 1 + desc_dst->comp[0].depth_minus1;
881
999
if (c->dstBpc < 8)
883
1001
if (c->dstBpc == 16)
885
1003
FF_ALLOC_OR_GOTO(c, c->formatConvBuffer,
886
1004
(FFALIGN(srcW, 16) * 2 * FFALIGN(c->srcBpc, 8) >> 3) + 16,
888
if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2 && c->srcBpc == 8 && c->dstBpc <= 10) {
889
c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0;
890
if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR)) {
891
if (flags&SWS_PRINT_INFO)
892
av_log(c, AV_LOG_INFO, "output width is not a multiple of 32 -> no MMX2 scaler\n");
894
if (usesHFilter) c->canMMX2BeUsed=0;
899
c->chrXInc= (((int64_t)c->chrSrcW<<16) + (c->chrDstW>>1))/c->chrDstW;
900
c->chrYInc= (((int64_t)c->chrSrcH<<16) + (c->chrDstH>>1))/c->chrDstH;
902
// match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src to pixel n-2 of dst
903
// but only for the FAST_BILINEAR mode otherwise do correct scaling
904
// n-2 is the last chrominance sample available
905
// this is not perfect, but no one should notice the difference, the more correct variant
906
// would be like the vertical one, but that would require some special code for the
907
// first and last pixel
908
if (flags&SWS_FAST_BILINEAR) {
909
if (c->canMMX2BeUsed) {
913
//we don't use the x86 asm scaler if MMX is available
914
else if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) {
915
c->lumXInc = ((int64_t)(srcW-2)<<16)/(dstW-2) - 20;
916
c->chrXInc = ((int64_t)(c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20;
1006
if (INLINE_MMXEXT(cpu_flags) && c->srcBpc == 8 && c->dstBpc <= 10) {
1007
c->canMMXEXTBeUsed = (dstW >= srcW && (dstW & 31) == 0 &&
1008
(srcW & 15) == 0) ? 1 : 0;
1009
if (!c->canMMXEXTBeUsed && dstW >= srcW && (srcW & 15) == 0
1010
&& (flags & SWS_FAST_BILINEAR)) {
1011
if (flags & SWS_PRINT_INFO)
1012
av_log(c, AV_LOG_INFO,
1013
"output width is not a multiple of 32 -> no MMXEXT scaler\n");
1016
c->canMMXEXTBeUsed = 0;
1018
c->canMMXEXTBeUsed = 0;
1020
c->chrXInc = (((int64_t)c->chrSrcW << 16) + (c->chrDstW >> 1)) / c->chrDstW;
1021
c->chrYInc = (((int64_t)c->chrSrcH << 16) + (c->chrDstH >> 1)) / c->chrDstH;
1023
/* Match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src
1024
* to pixel n-2 of dst, but only for the FAST_BILINEAR mode otherwise do
1026
* n-2 is the last chrominance sample available.
1027
* This is not perfect, but no one should notice the difference, the more
1028
* correct variant would be like the vertical one, but that would require
1029
* some special code for the first and last pixel */
1030
if (flags & SWS_FAST_BILINEAR) {
1031
if (c->canMMXEXTBeUsed) {
1035
// we don't use the x86 asm scaler if MMX is available
1036
else if (INLINE_MMX(cpu_flags)) {
1037
c->lumXInc = ((int64_t)(srcW - 2) << 16) / (dstW - 2) - 20;
1038
c->chrXInc = ((int64_t)(c->chrSrcW - 2) << 16) / (c->chrDstW - 2) - 20;
1042
#define USE_MMAP (HAVE_MMAP && HAVE_MPROTECT && defined MAP_ANONYMOUS)
920
1044
/* precalculate horizontal scaler filter coefficients */
1046
#if HAVE_MMXEXT_INLINE
923
1047
// can't downscale !!!
924
if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR)) {
925
c->lumMmx2FilterCodeSize = initMMX2HScaler( dstW, c->lumXInc, NULL, NULL, NULL, 8);
926
c->chrMmx2FilterCodeSize = initMMX2HScaler(c->chrDstW, c->chrXInc, NULL, NULL, NULL, 4);
1048
if (c->canMMXEXTBeUsed && (flags & SWS_FAST_BILINEAR)) {
1049
c->lumMmxextFilterCodeSize = init_hscaler_mmxext(dstW, c->lumXInc, NULL,
1051
c->chrMmxextFilterCodeSize = init_hscaler_mmxext(c->chrDstW, c->chrXInc,
1052
NULL, NULL, NULL, 4);
929
c->lumMmx2FilterCode = mmap(NULL, c->lumMmx2FilterCodeSize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
930
c->chrMmx2FilterCode = mmap(NULL, c->chrMmx2FilterCodeSize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
1055
c->lumMmxextFilterCode = mmap(NULL, c->lumMmxextFilterCodeSize,
1056
PROT_READ | PROT_WRITE,
1057
MAP_PRIVATE | MAP_ANONYMOUS,
1059
c->chrMmxextFilterCode = mmap(NULL, c->chrMmxextFilterCodeSize,
1060
PROT_READ | PROT_WRITE,
1061
MAP_PRIVATE | MAP_ANONYMOUS,
931
1063
#elif HAVE_VIRTUALALLOC
932
c->lumMmx2FilterCode = VirtualAlloc(NULL, c->lumMmx2FilterCodeSize, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
933
c->chrMmx2FilterCode = VirtualAlloc(NULL, c->chrMmx2FilterCodeSize, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
1064
c->lumMmxextFilterCode = VirtualAlloc(NULL,
1065
c->lumMmxextFilterCodeSize,
1067
PAGE_EXECUTE_READWRITE);
1068
c->chrMmxextFilterCode = VirtualAlloc(NULL,
1069
c->chrMmxextFilterCodeSize,
1071
PAGE_EXECUTE_READWRITE);
935
c->lumMmx2FilterCode = av_malloc(c->lumMmx2FilterCodeSize);
936
c->chrMmx2FilterCode = av_malloc(c->chrMmx2FilterCodeSize);
1073
c->lumMmxextFilterCode = av_malloc(c->lumMmxextFilterCodeSize);
1074
c->chrMmxextFilterCode = av_malloc(c->chrMmxextFilterCodeSize);
939
if (!c->lumMmx2FilterCode || !c->chrMmx2FilterCode)
1077
if (!c->lumMmxextFilterCode || !c->chrMmxextFilterCode)
940
1078
return AVERROR(ENOMEM);
941
FF_ALLOCZ_OR_GOTO(c, c->hLumFilter , (dstW /8+8)*sizeof(int16_t), fail);
942
FF_ALLOCZ_OR_GOTO(c, c->hChrFilter , (c->chrDstW /4+8)*sizeof(int16_t), fail);
943
FF_ALLOCZ_OR_GOTO(c, c->hLumFilterPos, (dstW /2/8+8)*sizeof(int32_t), fail);
944
FF_ALLOCZ_OR_GOTO(c, c->hChrFilterPos, (c->chrDstW/2/4+8)*sizeof(int32_t), fail);
946
initMMX2HScaler( dstW, c->lumXInc, c->lumMmx2FilterCode, c->hLumFilter, c->hLumFilterPos, 8);
947
initMMX2HScaler(c->chrDstW, c->chrXInc, c->chrMmx2FilterCode, c->hChrFilter, c->hChrFilterPos, 4);
950
mprotect(c->lumMmx2FilterCode, c->lumMmx2FilterCodeSize, PROT_EXEC | PROT_READ);
951
mprotect(c->chrMmx2FilterCode, c->chrMmx2FilterCodeSize, PROT_EXEC | PROT_READ);
1079
FF_ALLOCZ_OR_GOTO(c, c->hLumFilter, (dstW / 8 + 8) * sizeof(int16_t), fail);
1080
FF_ALLOCZ_OR_GOTO(c, c->hChrFilter, (c->chrDstW / 4 + 8) * sizeof(int16_t), fail);
1081
FF_ALLOCZ_OR_GOTO(c, c->hLumFilterPos, (dstW / 2 / 8 + 8) * sizeof(int32_t), fail);
1082
FF_ALLOCZ_OR_GOTO(c, c->hChrFilterPos, (c->chrDstW / 2 / 4 + 8) * sizeof(int32_t), fail);
1084
init_hscaler_mmxext(dstW, c->lumXInc, c->lumMmxextFilterCode,
1085
c->hLumFilter, c->hLumFilterPos, 8);
1086
init_hscaler_mmxext(c->chrDstW, c->chrXInc, c->chrMmxextFilterCode,
1087
c->hChrFilter, c->hChrFilterPos, 4);
1090
mprotect(c->lumMmxextFilterCode, c->lumMmxextFilterCodeSize, PROT_EXEC | PROT_READ);
1091
mprotect(c->chrMmxextFilterCode, c->chrMmxextFilterCodeSize, PROT_EXEC | PROT_READ);
954
#endif /* HAVE_MMX2 */
1094
#endif /* HAVE_MMXEXT_INLINE */
956
const int filterAlign=
957
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? 4 :
1096
const int filterAlign =
1097
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? 4 :
958
1098
(HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC) ? 8 :
961
if (initFilter(&c->hLumFilter, &c->hLumFilterPos, &c->hLumFilterSize, c->lumXInc,
962
srcW , dstW, filterAlign, 1<<14,
963
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, cpu_flags,
964
srcFilter->lumH, dstFilter->lumH, c->param, 1) < 0)
1101
if (initFilter(&c->hLumFilter, &c->hLumFilterPos,
1102
&c->hLumFilterSize, c->lumXInc,
1103
srcW, dstW, filterAlign, 1 << 14,
1104
(flags & SWS_BICUBLIN) ? (flags | SWS_BICUBIC) : flags,
1105
cpu_flags, srcFilter->lumH, dstFilter->lumH,
966
if (initFilter(&c->hChrFilter, &c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc,
967
c->chrSrcW, c->chrDstW, filterAlign, 1<<14,
968
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, cpu_flags,
969
srcFilter->chrH, dstFilter->chrH, c->param, 1) < 0)
1108
if (initFilter(&c->hChrFilter, &c->hChrFilterPos,
1109
&c->hChrFilterSize, c->chrXInc,
1110
c->chrSrcW, c->chrDstW, filterAlign, 1 << 14,
1111
(flags & SWS_BICUBLIN) ? (flags | SWS_BILINEAR) : flags,
1112
cpu_flags, srcFilter->chrH, dstFilter->chrH,
972
1116
} // initialize horizontal stuff
974
1118
/* precalculate vertical scaler filter coefficients */
976
const int filterAlign=
977
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? 2 :
1120
const int filterAlign =
1121
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? 2 :
978
1122
(HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC) ? 8 :
981
if (initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize, c->lumYInc,
982
srcH , dstH, filterAlign, (1<<12),
983
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, cpu_flags,
984
srcFilter->lumV, dstFilter->lumV, c->param, 0) < 0)
1125
if (initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize,
1126
c->lumYInc, srcH, dstH, filterAlign, (1 << 12),
1127
(flags & SWS_BICUBLIN) ? (flags | SWS_BICUBIC) : flags,
1128
cpu_flags, srcFilter->lumV, dstFilter->lumV,
986
if (initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc,
987
c->chrSrcH, c->chrDstH, filterAlign, (1<<12),
988
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, cpu_flags,
989
srcFilter->chrV, dstFilter->chrV, c->param, 0) < 0)
1131
if (initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize,
1132
c->chrYInc, c->chrSrcH, c->chrDstH,
1133
filterAlign, (1 << 12),
1134
(flags & SWS_BICUBLIN) ? (flags | SWS_BILINEAR) : flags,
1135
cpu_flags, srcFilter->chrV, dstFilter->chrV,
992
1139
#if HAVE_ALTIVEC
993
FF_ALLOC_OR_GOTO(c, c->vYCoeffsBank, sizeof (vector signed short)*c->vLumFilterSize*c->dstH, fail);
994
FF_ALLOC_OR_GOTO(c, c->vCCoeffsBank, sizeof (vector signed short)*c->vChrFilterSize*c->chrDstH, fail);
1140
FF_ALLOC_OR_GOTO(c, c->vYCoeffsBank, sizeof(vector signed short) * c->vLumFilterSize * c->dstH, fail);
1141
FF_ALLOC_OR_GOTO(c, c->vCCoeffsBank, sizeof(vector signed short) * c->vChrFilterSize * c->chrDstH, fail);
996
for (i=0;i<c->vLumFilterSize*c->dstH;i++) {
1143
for (i = 0; i < c->vLumFilterSize * c->dstH; i++) {
998
1145
short *p = (short *)&c->vYCoeffsBank[i];
1146
for (j = 0; j < 8; j++)
1000
1147
p[j] = c->vLumFilter[i];
1003
for (i=0;i<c->vChrFilterSize*c->chrDstH;i++) {
1150
for (i = 0; i < c->vChrFilterSize * c->chrDstH; i++) {
1005
1152
short *p = (short *)&c->vCCoeffsBank[i];
1153
for (j = 0; j < 8; j++)
1007
1154
p[j] = c->vChrFilter[i];
1012
1159
// calculate buffer sizes so that they won't run out while handling these damn slices
1013
c->vLumBufSize= c->vLumFilterSize;
1014
c->vChrBufSize= c->vChrFilterSize;
1015
for (i=0; i<dstH; i++) {
1016
int chrI = (int64_t) i * c->chrDstH / dstH;
1017
int nextSlice= FFMAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1,
1018
((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample));
1160
c->vLumBufSize = c->vLumFilterSize;
1161
c->vChrBufSize = c->vChrFilterSize;
1162
for (i = 0; i < dstH; i++) {
1163
int chrI = (int64_t)i * c->chrDstH / dstH;
1164
int nextSlice = FFMAX(c->vLumFilterPos[i] + c->vLumFilterSize - 1,
1165
((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)
1166
<< c->chrSrcVSubSample));
1020
nextSlice>>= c->chrSrcVSubSample;
1021
nextSlice<<= c->chrSrcVSubSample;
1022
if (c->vLumFilterPos[i ] + c->vLumBufSize < nextSlice)
1023
c->vLumBufSize= nextSlice - c->vLumFilterPos[i];
1024
if (c->vChrFilterPos[chrI] + c->vChrBufSize < (nextSlice>>c->chrSrcVSubSample))
1025
c->vChrBufSize= (nextSlice>>c->chrSrcVSubSample) - c->vChrFilterPos[chrI];
1168
nextSlice >>= c->chrSrcVSubSample;
1169
nextSlice <<= c->chrSrcVSubSample;
1170
if (c->vLumFilterPos[i] + c->vLumBufSize < nextSlice)
1171
c->vLumBufSize = nextSlice - c->vLumFilterPos[i];
1172
if (c->vChrFilterPos[chrI] + c->vChrBufSize <
1173
(nextSlice >> c->chrSrcVSubSample))
1174
c->vChrBufSize = (nextSlice >> c->chrSrcVSubSample) -
1175
c->vChrFilterPos[chrI];
1028
// allocate pixbufs (we use dynamic allocation because otherwise we would need to
1029
// allocate several megabytes to handle all possible cases)
1030
FF_ALLOC_OR_GOTO(c, c->lumPixBuf, c->vLumBufSize*3*sizeof(int16_t*), fail);
1031
FF_ALLOC_OR_GOTO(c, c->chrUPixBuf, c->vChrBufSize*3*sizeof(int16_t*), fail);
1032
FF_ALLOC_OR_GOTO(c, c->chrVPixBuf, c->vChrBufSize*3*sizeof(int16_t*), fail);
1178
/* Allocate pixbufs (we use dynamic allocation because otherwise we would
1179
* need to allocate several megabytes to handle all possible cases) */
1180
FF_ALLOC_OR_GOTO(c, c->lumPixBuf, c->vLumBufSize * 3 * sizeof(int16_t *), fail);
1181
FF_ALLOC_OR_GOTO(c, c->chrUPixBuf, c->vChrBufSize * 3 * sizeof(int16_t *), fail);
1182
FF_ALLOC_OR_GOTO(c, c->chrVPixBuf, c->vChrBufSize * 3 * sizeof(int16_t *), fail);
1033
1183
if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat) && isALPHA(c->dstFormat))
1034
FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf, c->vLumBufSize*3*sizeof(int16_t*), fail);
1035
//Note we need at least one pixel more at the end because of the MMX code (just in case someone wanna replace the 4000/8000)
1184
FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf, c->vLumBufSize * 3 * sizeof(int16_t *), fail);
1185
/* Note we need at least one pixel more at the end because of the MMX code
1186
* (just in case someone wants to replace the 4000/8000). */
1036
1187
/* align at 16 bytes for AltiVec */
1037
for (i=0; i<c->vLumBufSize; i++) {
1038
FF_ALLOCZ_OR_GOTO(c, c->lumPixBuf[i+c->vLumBufSize], dst_stride+16, fail);
1039
c->lumPixBuf[i] = c->lumPixBuf[i+c->vLumBufSize];
1188
for (i = 0; i < c->vLumBufSize; i++) {
1189
FF_ALLOCZ_OR_GOTO(c, c->lumPixBuf[i + c->vLumBufSize],
1190
dst_stride + 16, fail);
1191
c->lumPixBuf[i] = c->lumPixBuf[i + c->vLumBufSize];
1041
1193
// 64 / (c->dstBpc & ~7) is the same as 16 / sizeof(scaling_intermediate)
1042
c->uv_off_px = dst_stride_px + 64 / (c->dstBpc &~ 7);
1194
c->uv_off_px = dst_stride_px + 64 / (c->dstBpc & ~7);
1043
1195
c->uv_off_byte = dst_stride + 16;
1044
for (i=0; i<c->vChrBufSize; i++) {
1045
FF_ALLOC_OR_GOTO(c, c->chrUPixBuf[i+c->vChrBufSize], dst_stride*2+32, fail);
1046
c->chrUPixBuf[i] = c->chrUPixBuf[i+c->vChrBufSize];
1047
c->chrVPixBuf[i] = c->chrVPixBuf[i+c->vChrBufSize] = c->chrUPixBuf[i] + (dst_stride >> 1) + 8;
1196
for (i = 0; i < c->vChrBufSize; i++) {
1197
FF_ALLOC_OR_GOTO(c, c->chrUPixBuf[i + c->vChrBufSize],
1198
dst_stride * 2 + 32, fail);
1199
c->chrUPixBuf[i] = c->chrUPixBuf[i + c->vChrBufSize];
1200
c->chrVPixBuf[i] = c->chrVPixBuf[i + c->vChrBufSize]
1201
= c->chrUPixBuf[i] + (dst_stride >> 1) + 8;
1049
1203
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
1050
for (i=0; i<c->vLumBufSize; i++) {
1051
FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf[i+c->vLumBufSize], dst_stride+16, fail);
1052
c->alpPixBuf[i] = c->alpPixBuf[i+c->vLumBufSize];
1204
for (i = 0; i < c->vLumBufSize; i++) {
1205
FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf[i + c->vLumBufSize],
1206
dst_stride + 16, fail);
1207
c->alpPixBuf[i] = c->alpPixBuf[i + c->vLumBufSize];
1055
//try to avoid drawing green stuff between the right end and the stride end
1056
for (i=0; i<c->vChrBufSize; i++)
1057
memset(c->chrUPixBuf[i], 64, dst_stride*2+1);
1210
// try to avoid drawing green stuff between the right end and the stride end
1211
for (i = 0; i < c->vChrBufSize; i++)
1212
memset(c->chrUPixBuf[i], 64, dst_stride * 2 + 1);
1059
1214
assert(c->chrDstH <= dstH);
1061
if (flags&SWS_PRINT_INFO) {
1062
if (flags&SWS_FAST_BILINEAR) av_log(c, AV_LOG_INFO, "FAST_BILINEAR scaler, ");
1063
else if (flags&SWS_BILINEAR) av_log(c, AV_LOG_INFO, "BILINEAR scaler, ");
1064
else if (flags&SWS_BICUBIC) av_log(c, AV_LOG_INFO, "BICUBIC scaler, ");
1065
else if (flags&SWS_X) av_log(c, AV_LOG_INFO, "Experimental scaler, ");
1066
else if (flags&SWS_POINT) av_log(c, AV_LOG_INFO, "Nearest Neighbor / POINT scaler, ");
1067
else if (flags&SWS_AREA) av_log(c, AV_LOG_INFO, "Area Averaging scaler, ");
1068
else if (flags&SWS_BICUBLIN) av_log(c, AV_LOG_INFO, "luma BICUBIC / chroma BILINEAR scaler, ");
1069
else if (flags&SWS_GAUSS) av_log(c, AV_LOG_INFO, "Gaussian scaler, ");
1070
else if (flags&SWS_SINC) av_log(c, AV_LOG_INFO, "Sinc scaler, ");
1071
else if (flags&SWS_LANCZOS) av_log(c, AV_LOG_INFO, "Lanczos scaler, ");
1072
else if (flags&SWS_SPLINE) av_log(c, AV_LOG_INFO, "Bicubic spline scaler, ");
1073
else av_log(c, AV_LOG_INFO, "ehh flags invalid?! ");
1216
if (flags & SWS_PRINT_INFO) {
1217
if (flags & SWS_FAST_BILINEAR)
1218
av_log(c, AV_LOG_INFO, "FAST_BILINEAR scaler, ");
1219
else if (flags & SWS_BILINEAR)
1220
av_log(c, AV_LOG_INFO, "BILINEAR scaler, ");
1221
else if (flags & SWS_BICUBIC)
1222
av_log(c, AV_LOG_INFO, "BICUBIC scaler, ");
1223
else if (flags & SWS_X)
1224
av_log(c, AV_LOG_INFO, "Experimental scaler, ");
1225
else if (flags & SWS_POINT)
1226
av_log(c, AV_LOG_INFO, "Nearest Neighbor / POINT scaler, ");
1227
else if (flags & SWS_AREA)
1228
av_log(c, AV_LOG_INFO, "Area Averaging scaler, ");
1229
else if (flags & SWS_BICUBLIN)
1230
av_log(c, AV_LOG_INFO, "luma BICUBIC / chroma BILINEAR scaler, ");
1231
else if (flags & SWS_GAUSS)
1232
av_log(c, AV_LOG_INFO, "Gaussian scaler, ");
1233
else if (flags & SWS_SINC)
1234
av_log(c, AV_LOG_INFO, "Sinc scaler, ");
1235
else if (flags & SWS_LANCZOS)
1236
av_log(c, AV_LOG_INFO, "Lanczos scaler, ");
1237
else if (flags & SWS_SPLINE)
1238
av_log(c, AV_LOG_INFO, "Bicubic spline scaler, ");
1240
av_log(c, AV_LOG_INFO, "ehh flags invalid?! ");
1075
1242
av_log(c, AV_LOG_INFO, "from %s to %s%s ",
1076
1243
sws_format_name(srcFormat),
1077
1244
#ifdef DITHER1XBPP
1078
dstFormat == PIX_FMT_BGR555 || dstFormat == PIX_FMT_BGR565 ||
1079
dstFormat == PIX_FMT_RGB444BE || dstFormat == PIX_FMT_RGB444LE ||
1080
dstFormat == PIX_FMT_BGR444BE || dstFormat == PIX_FMT_BGR444LE ? "dithered " : "",
1245
dstFormat == AV_PIX_FMT_BGR555 || dstFormat == AV_PIX_FMT_BGR565 ||
1246
dstFormat == AV_PIX_FMT_RGB444BE || dstFormat == AV_PIX_FMT_RGB444LE ||
1247
dstFormat == AV_PIX_FMT_BGR444BE || dstFormat == AV_PIX_FMT_BGR444LE ?
1084
1252
sws_format_name(dstFormat));
1086
if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2) av_log(c, AV_LOG_INFO, "using MMX2\n");
1087
else if (HAVE_AMD3DNOW && cpu_flags & AV_CPU_FLAG_3DNOW) av_log(c, AV_LOG_INFO, "using 3DNOW\n");
1088
else if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) av_log(c, AV_LOG_INFO, "using MMX\n");
1089
else if (HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC) av_log(c, AV_LOG_INFO, "using AltiVec\n");
1090
else av_log(c, AV_LOG_INFO, "using C\n");
1254
if (INLINE_MMXEXT(cpu_flags))
1255
av_log(c, AV_LOG_INFO, "using MMXEXT\n");
1256
else if (INLINE_AMD3DNOW(cpu_flags))
1257
av_log(c, AV_LOG_INFO, "using 3DNOW\n");
1258
else if (INLINE_MMX(cpu_flags))
1259
av_log(c, AV_LOG_INFO, "using MMX\n");
1260
else if (HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC)
1261
av_log(c, AV_LOG_INFO, "using AltiVec\n");
1263
av_log(c, AV_LOG_INFO, "using C\n");
1092
1265
av_log(c, AV_LOG_VERBOSE, "%dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
1093
av_log(c, AV_LOG_DEBUG, "lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
1266
av_log(c, AV_LOG_DEBUG,
1267
"lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
1094
1268
c->srcW, c->srcH, c->dstW, c->dstH, c->lumXInc, c->lumYInc);
1095
av_log(c, AV_LOG_DEBUG, "chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
1096
c->chrSrcW, c->chrSrcH, c->chrDstW, c->chrDstH, c->chrXInc, c->chrYInc);
1269
av_log(c, AV_LOG_DEBUG,
1270
"chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
1271
c->chrSrcW, c->chrSrcH, c->chrDstW, c->chrDstH,
1272
c->chrXInc, c->chrYInc);
1099
c->swScale= ff_getSwsFunc(c);
1275
c->swScale = ff_getSwsFunc(c);
1101
fail: //FIXME replace things by appropriate error codes
1277
fail: // FIXME replace things by appropriate error codes
1105
1281
#if FF_API_SWS_GETCONTEXT
1106
SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat,
1107
int dstW, int dstH, enum PixelFormat dstFormat, int flags,
1108
SwsFilter *srcFilter, SwsFilter *dstFilter, const double *param)
1282
SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcFormat,
1283
int dstW, int dstH, enum AVPixelFormat dstFormat,
1284
int flags, SwsFilter *srcFilter,
1285
SwsFilter *dstFilter, const double *param)
1112
if(!(c=sws_alloc_context()))
1289
if (!(c = sws_alloc_context()))
1120
c->srcRange = handle_jpeg(&srcFormat);
1121
c->dstRange = handle_jpeg(&dstFormat);
1122
c->srcFormat= srcFormat;
1123
c->dstFormat= dstFormat;
1297
c->srcRange = handle_jpeg(&srcFormat);
1298
c->dstRange = handle_jpeg(&dstFormat);
1299
c->srcFormat = srcFormat;
1300
c->dstFormat = dstFormat;
1126
1303
c->param[0] = param[0];
1127
1304
c->param[1] = param[1];
1129
sws_setColorspaceDetails(c, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], c->srcRange, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT] /* FIXME*/, c->dstRange, 0, 1<<16, 1<<16);
1306
sws_setColorspaceDetails(c, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], c->srcRange,
1307
ff_yuv2rgb_coeffs[SWS_CS_DEFAULT] /* FIXME*/,
1308
c->dstRange, 0, 1 << 16, 1 << 16);
1131
if(sws_init_context(c, srcFilter, dstFilter) < 0){
1310
if (sws_init_context(c, srcFilter, dstFilter) < 0) {
1132
1311
sws_freeContext(c);