aboutsummaryrefslogtreecommitdiffhomepage
path: root/libmpcodecs/ve_nuv.c
blob: 50a75666e59f2ffb7aee4680be8931d97e1dc7f3 (plain)
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
#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.h"
#include "demuxer.h"
#include "stheader.h"

#include "muxer.h"

#include "img_format.h"
#include "mp_image.h"
#include "vf.h"

#include "libmpdemux/nuppelvideo.h"
#include "native/minilzo.h"
#include "native/RTjpegN.h"

#define LZO_AL(size) (((size) + (sizeof(long) - 1)) / sizeof(long))
#define LZO_IN_LEN          (1024*1024L)
#define LZO_OUT_LEN         (LZO_IN_LEN + LZO_IN_LEN / 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}
};  

//===========================================================================//


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 < (int)(128*sizeof(long int) + FRAMEHEADERSIZE))
    vf->priv->buf_size = 128*sizeof(long int) + 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);
  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 3;
  return 0;
}

static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
  struct rtframeheader* ench = (struct rtframeheader*)vf->priv->buffer;
  uint8_t* data = vf->priv->buffer + FRAMEHEADERSIZE;
  uint8_t* zdata = vf->priv->zbuffer + FRAMEHEADERSIZE;
  int len = 0, zlen = 0,r;

  memset(vf->priv->buffer,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((long int*)data,mpi->width,mpi->height,vf->priv->q);
    RTjpeg_init_mcompress();

    ench->frametype = 'D'; // compressor data
    ench->comptype  = 'R'; // compressor data for RTjpeg
    ench->packetlength = 128*sizeof(long int);
  
    mux_v->buffer=vf->priv->buffer;
    muxer_write_chunk(mux_v,FRAMEHEADERSIZE + 128*sizeof(long int), 0x10);
    vf->priv->tbl_wrote = 1;
    memset(ench,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],mpi->width*mpi->height*3/2,
			   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);
      ench->comptype = '0';
    } else { // Use lzo only if it's littler
      ench = (struct rtframeheader*)vf->priv->zbuffer;
      ench->comptype = '3';
      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)
      ench->comptype = '1';
    else {
      ench = (struct rtframeheader*)vf->priv->zbuffer;
      ench->comptype = '2';
      len = zlen;
    }

  }
    
  ench->frametype = 'V'; // video frame
  ench->packetlength = len;
  mux_v->buffer=(void*)ench;
  muxer_write_chunk(mux_v, len + FRAMEHEADERSIZE, 0x10);
  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->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=malloc(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;
    }
    vf->priv->zbuffer = (lzo_bytep)malloc(FRAMEHEADERSIZE + LZO_OUT_LEN);
    vf->priv->zmem = (long*)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
};

//===========================================================================//