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
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "mp_msg.h"
#include "m_option.h"
#include "codec-cfg.h"
#include "stream/stream.h"
#include "libmpdemux/demuxer.h"
#include "libmpdemux/stheader.h"
#include "stream/stream.h"
#include "libmpdemux/muxer.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
#include "libavutil/intreadwrite.h"
#include <lzo/lzo1x.h>
#include "native/rtjpegn.h"
#define LZO_AL(size) (((size) + (sizeof(long) - 1)) / sizeof(long))
#define LZO_OUT_LEN(in) ((in) + (in) / 64 + 16 + 3)
//===========================================================================//
struct vf_priv_s {
int raw; // Do not use RTjpeg
int lzo; // Use lzo
unsigned int l,c,q; // Mjpeg param
muxer_stream_t* mux;
uint8_t* buffer;
int buf_size;
int tbl_wrote;
lzo_byte *zbuffer;
long __LZO_MMODEL *zmem;
};
#define mux_v (vf->priv->mux)
struct vf_priv_s nuv_priv_dflt = {
0, // raw
1, // lzo
1,1, // l,c
255, // q
NULL,
NULL,
0,0,
NULL,NULL
};
m_option_t nuvopts_conf[]={
{"raw", &nuv_priv_dflt.raw, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"rtjpeg", &nuv_priv_dflt.raw, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"lzo", &nuv_priv_dflt.lzo, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nolzo", &nuv_priv_dflt.lzo, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"q", &nuv_priv_dflt.q, CONF_TYPE_INT, M_OPT_RANGE,3,255, NULL},
{"l", &nuv_priv_dflt.l, CONF_TYPE_INT, M_OPT_RANGE,0,20, NULL},
{"c", &nuv_priv_dflt.c, CONF_TYPE_INT, M_OPT_RANGE,0,20, NULL},
{NULL, NULL, 0, 0, 0, 0, NULL}
};
//===========================================================================//
#define COMPDATASIZE (128*4)
#define FRAMEHEADERSIZE 12
static int config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt){
// We need a buffer wich can holda header and a whole YV12 picture
// or a RTJpeg table
vf->priv->buf_size = width*height*3/2+FRAMEHEADERSIZE;
if(vf->priv->buf_size < COMPDATASIZE + FRAMEHEADERSIZE)
vf->priv->buf_size = COMPDATASIZE + FRAMEHEADERSIZE;
mux_v->bih->biWidth=width;
mux_v->bih->biHeight=height;
mux_v->bih->biSizeImage=mux_v->bih->biWidth*mux_v->bih->biHeight*(mux_v->bih->biBitCount/8);
mux_v->aspect = (float)d_width/d_height;
vf->priv->buffer = realloc(vf->priv->buffer,vf->priv->buf_size);
if (vf->priv->lzo)
vf->priv->zbuffer = realloc(vf->priv->zbuffer, FRAMEHEADERSIZE + LZO_OUT_LEN(vf->priv->buf_size));
vf->priv->tbl_wrote = 0;
return 1;
}
static int control(struct vf_instance_s* vf, int request, void* data){
return CONTROL_UNKNOWN;
}
static int query_format(struct vf_instance_s* vf, unsigned int fmt){
if(fmt==IMGFMT_I420) return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW;
return 0;
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
uint8_t *header = vf->priv->buffer;
uint8_t* data = vf->priv->buffer + FRAMEHEADERSIZE;
uint8_t* zdata = vf->priv->zbuffer + FRAMEHEADERSIZE;
int len = 0, r;
size_t zlen = 0;
memset(header, 0, FRAMEHEADERSIZE); // Reset the header
if(vf->priv->lzo)
memset(vf->priv->zbuffer,0,FRAMEHEADERSIZE);
// This has to be don here otherwise tv with sound doesn't work
if(!vf->priv->tbl_wrote) {
RTjpeg_init_compress((uint32_t *)data,mpi->width,mpi->height,vf->priv->q);
RTjpeg_init_mcompress();
header[0] = 'D'; // frametype: compressor data
header[1] = 'R'; // comptype: compressor data for RTjpeg
AV_WL32(header + 8, COMPDATASIZE); // packetlength
mux_v->buffer=vf->priv->buffer;
muxer_write_chunk(mux_v,FRAMEHEADERSIZE + COMPDATASIZE, 0x10, MP_NOPTS_VALUE, MP_NOPTS_VALUE);
vf->priv->tbl_wrote = 1;
memset(header, 0, FRAMEHEADERSIZE); // Reset the header
}
// Raw picture
if(vf->priv->raw) {
len = mpi->width*mpi->height*3/2;
// Try lzo ???
if(vf->priv->lzo) {
r = lzo1x_1_compress(mpi->planes[0],len,
zdata,&zlen,vf->priv->zmem);
if(r != LZO_E_OK) {
mp_msg(MSGT_VFILTER,MSGL_ERR,"LZO compress error\n");
zlen = 0;
}
}
if(zlen <= 0 || zlen > len) {
memcpy(data,mpi->planes[0],len);
header[1] = '0'; // comptype: uncompressed
} else { // Use lzo only if it's littler
header = vf->priv->zbuffer;
header[1] = '3'; //comptype: lzo
len = zlen;
}
} else { // RTjpeg compression
len = RTjpeg_mcompressYUV420(data,mpi->planes[0],vf->priv->l,
vf->priv->c);
if(len <= 0) {
mp_msg(MSGT_VFILTER,MSGL_ERR,"RTjpeg_mcompressYUV420 error (%d)\n",len);
return 0;
}
if(vf->priv->lzo) {
r = lzo1x_1_compress(data,len,zdata,&zlen,vf->priv->zmem);
if(r != LZO_E_OK) {
mp_msg(MSGT_VFILTER,MSGL_ERR,"LZO compress error\n");
zlen = 0;
}
}
if(zlen <= 0 || zlen > len)
header[1] = '1'; // comptype: RTjpeg
else {
header = vf->priv->zbuffer;
header[1] = '2'; // comptype: RTjpeg + LZO
len = zlen;
}
}
header[0] = 'V'; // frametype: video frame
AV_WL32(header + 8, len); // packetlength
mux_v->buffer = header;
muxer_write_chunk(mux_v, len + FRAMEHEADERSIZE, 0x10, pts, pts);
return 1;
}
static void uninit(struct vf_instance_s* vf) {
if(vf->priv->buffer)
free(vf->priv->buffer);
if(vf->priv->zbuffer)
free(vf->priv->zbuffer);
if(vf->priv->zmem)
free(vf->priv->zmem);
}
//===========================================================================//
static int vf_open(vf_instance_t *vf, char* args){
vf->config=config;
vf->default_caps=VFCAP_CONSTANT;
vf->control=control;
vf->query_format=query_format;
vf->put_image=put_image;
vf->uninit = uninit;
vf->priv=malloc(sizeof(struct vf_priv_s));
memcpy(vf->priv, &nuv_priv_dflt,sizeof(struct vf_priv_s));
vf->priv->mux=(muxer_stream_t*)args;
mux_v->bih=calloc(1, sizeof(BITMAPINFOHEADER));
mux_v->bih->biSize=sizeof(BITMAPINFOHEADER);
mux_v->bih->biWidth=0;
mux_v->bih->biHeight=0;
mux_v->bih->biPlanes=1;
mux_v->bih->biBitCount=12;
mux_v->bih->biCompression = mmioFOURCC('N','U','V','1');
if(vf->priv->lzo) {
if(lzo_init() != LZO_E_OK) {
mp_msg(MSGT_VFILTER,MSGL_WARN,"LZO init failed: no lzo compression\n");
vf->priv->lzo = 0;
} else
vf->priv->zmem = malloc(sizeof(long)*LZO_AL(LZO1X_1_MEM_COMPRESS));
}
return 1;
}
vf_info_t ve_info_nuv = {
"nuv encoder",
"nuv",
"Albeu",
"for internal use by mencoder",
vf_open
};
//===========================================================================//
|