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
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../config.h"
#ifdef USE_LIBAVCODEC
#include "../mp_msg.h"
#include "../help_mp.h"
#include "codec-cfg.h"
#include "stream.h"
#include "demuxer.h"
#include "stheader.h"
#include "aviwrite.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
#include "divx4_vbr.h"
extern int pass;
extern char* passtmpfile;
//===========================================================================//
#ifdef USE_LIBAVCODEC_SO
#include <libffmpeg/avcodec.h>
#else
#include "libavcodec/avcodec.h"
#endif
extern int avcodec_inited;
/* video options */
static char *lavc_param_vcodec = NULL;
static int lavc_param_vbitrate = -1;
static int lavc_param_vrate_tolerance = 1024*8;
static int lavc_param_vhq = 0; /* default is realtime encoding */
static int lavc_param_v4mv = 0;
static int lavc_param_vme = 4;
static int lavc_param_vqscale = 0;
static int lavc_param_vqmin = 3;
static int lavc_param_vqmax = 15;
static int lavc_param_vqdiff = 3;
static float lavc_param_vqcompress = 0.5;
static float lavc_param_vqblur = 0.5;
static int lavc_param_keyint = -1;
#include "cfgparser.h"
#ifdef USE_LIBAVCODEC
struct config lavcopts_conf[]={
{"vcodec", &lavc_param_vcodec, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"vbitrate", &lavc_param_vbitrate, CONF_TYPE_INT, CONF_RANGE, 4, 24000000, NULL},
{"vratetol", &lavc_param_vrate_tolerance, CONF_TYPE_INT, CONF_RANGE, 4, 24000000, NULL},
{"vhq", &lavc_param_vhq, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"v4mv", &lavc_param_v4mv, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"vme", &lavc_param_vme, CONF_TYPE_INT, CONF_RANGE, 0, 5, NULL},
{"vqscale", &lavc_param_vqscale, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"vqmin", &lavc_param_vqmin, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"vqmax", &lavc_param_vqmax, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"vqdiff", &lavc_param_vqdiff, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"vqcomp", &lavc_param_vqcompress, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 1.0, NULL},
{"vqblur", &lavc_param_vqblur, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 1.0, NULL},
{"keyint", &lavc_param_keyint, CONF_TYPE_INT, 0, 0, 0, NULL},
{NULL, NULL, 0, 0, 0, 0, NULL}
};
#endif
struct vf_priv_s {
aviwrite_stream_t* mux;
AVCodecContext context;
AVCodec *codec;
};
#define mux_v (vf->priv->mux)
#define lavc_venc_context (vf->priv->context)
static int config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt){
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);
memset(&lavc_venc_context, 0, sizeof(lavc_venc_context));
printf("videocodec: libavcodec (%dx%d fourcc=%x [%.4s])\n",
mux_v->bih->biWidth, mux_v->bih->biHeight, mux_v->bih->biCompression,
(char *)&mux_v->bih->biCompression);
lavc_venc_context.width = width;
lavc_venc_context.height = height;
if (lavc_param_vbitrate >= 0) /* != -1 */
lavc_venc_context.bit_rate = lavc_param_vbitrate*1000;
else
lavc_venc_context.bit_rate = 800000; /* default */
lavc_venc_context.bit_rate_tolerance= lavc_param_vrate_tolerance*1000;
lavc_venc_context.frame_rate = (float)mux_v->h.dwRate/mux_v->h.dwScale * FRAME_RATE_BASE;
lavc_venc_context.qmin= lavc_param_vqmin;
lavc_venc_context.qmax= lavc_param_vqmax;
lavc_venc_context.max_qdiff= lavc_param_vqdiff;
lavc_venc_context.qcompress= lavc_param_vqcompress;
lavc_venc_context.qblur= lavc_param_vqblur;
/* keyframe interval */
if (lavc_param_keyint >= 0) /* != -1 */
lavc_venc_context.gop_size = lavc_param_keyint;
else
lavc_venc_context.gop_size = 250; /* default */
if (lavc_param_vhq)
{
printf("High quality encoding selected (non real time)!\n");
lavc_venc_context.flags = CODEC_FLAG_HQ;
}
else
lavc_venc_context.flags = 0;
lavc_venc_context.flags|= lavc_param_v4mv ? CODEC_FLAG_4MV : 0;
/* motion estimation (0 = none ... 3 = high quality but slow) */
/* this is just an extern from libavcodec but it should be in the
encoder context - FIXME */
motion_estimation_method = lavc_param_vme;
/* fixed qscale :p */
if (lavc_param_vqscale)
{
printf("Using constant qscale = %d (VBR)\n", lavc_param_vqscale);
lavc_venc_context.flags |= CODEC_FLAG_QSCALE;
lavc_venc_context.quality = lavc_param_vqscale;
}
switch(pass){
case 1:
if (VbrControl_init_2pass_vbr_analysis(passtmpfile, 5) == -1){
mp_msg(MSGT_MENCODER,MSGL_ERR,"2pass failed: filename=%s\n", passtmpfile);
pass=0;
}
break;
case 2:
if (VbrControl_init_2pass_vbr_encoding(passtmpfile,
lavc_venc_context.bit_rate,
(float)mux_v->h.dwRate/mux_v->h.dwScale,
100, /* crispness */
5) == -1){
mp_msg(MSGT_MENCODER,MSGL_ERR,"2pass failed: filename=%s\n", passtmpfile);
pass=0;
}
break;
}
if (avcodec_open(&lavc_venc_context, vf->priv->codec) != 0) {
mp_msg(MSGT_MENCODER,MSGL_ERR,MSGTR_CantOpenCodec);
return 0;
}
if (lavc_venc_context.codec->encode == NULL) {
mp_msg(MSGT_MENCODER,MSGL_ERR,"avcodec init failed (ctx->codec->encode == NULL)!\n");
return 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){
switch(fmt){
case IMGFMT_YV12:
case IMGFMT_IYUV:
case IMGFMT_I420:
return VFCAP_CSP_SUPPORTED | VFCAP_ACCEPT_STRIDE;
}
return 0;
}
static void put_image(struct vf_instance_s* vf, mp_image_t *mpi){
int out_size;
AVPicture lavc_venc_picture;
lavc_venc_picture.data[0]=mpi->planes[0];
lavc_venc_picture.data[1]=mpi->planes[1];
lavc_venc_picture.data[2]=mpi->planes[2];
lavc_venc_picture.linesize[0]=mpi->stride[0];
lavc_venc_picture.linesize[1]=mpi->stride[1];
lavc_venc_picture.linesize[2]=mpi->stride[2];
if(pass==2){ // handle 2-pass:
lavc_venc_context.flags|=CODEC_FLAG_QSCALE; // enable VBR
lavc_venc_context.quality=VbrControl_get_quant();
#ifdef CODEC_FLAG_TYPE
lavc_venc_context.flags|=CODEC_FLAG_TYPE; // force keyframes
lavc_venc_context.key_frame=VbrControl_get_intra();
lavc_venc_context.gop_size=0x3fffffff;
#else
#error you should upgrade libavcodec... get latest CVS
#endif
out_size = avcodec_encode_video(&lavc_venc_context, mux_v->buffer, mux_v->buffer_size,
&lavc_venc_picture);
VbrControl_update_2pass_vbr_encoding(lavc_venc_context.mv_bits,
lavc_venc_context.i_tex_bits+lavc_venc_context.p_tex_bits,
8*out_size);
} else {
out_size = avcodec_encode_video(&lavc_venc_context, mux_v->buffer, mux_v->buffer_size,
&lavc_venc_picture);
if(pass==1){
VbrControl_update_2pass_vbr_analysis(lavc_venc_context.key_frame,
lavc_venc_context.mv_bits,
lavc_venc_context.i_tex_bits+lavc_venc_context.p_tex_bits,
8*out_size, lavc_venc_context.quality);
}
}
mencoder_write_chunk(mux_v,out_size,lavc_venc_context.key_frame?0x10:0);
}
static void uninit(struct vf_instance_s* vf){
avcodec_close(&lavc_venc_context);
}
//===========================================================================//
static int vf_open(vf_instance_t *vf, char* args){
vf->uninit=uninit;
vf->config=config;
vf->control=control;
vf->query_format=query_format;
vf->put_image=put_image;
vf->priv=malloc(sizeof(struct vf_priv_s));
memset(vf->priv,0,sizeof(struct vf_priv_s));
vf->priv->mux=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=24;
if (!lavc_param_vcodec)
{
printf("No libavcodec codec specified! It's requested!\n");
return 0;
}
if (!strcasecmp(lavc_param_vcodec, "mpeg1") || !strcasecmp(lavc_param_vcodec, "mpeg1video"))
mux_v->bih->biCompression = mmioFOURCC('m', 'p', 'g', '1');
else if (!strcasecmp(lavc_param_vcodec, "h263") || !strcasecmp(lavc_param_vcodec, "h263p"))
mux_v->bih->biCompression = mmioFOURCC('h', '2', '6', '3');
else if (!strcasecmp(lavc_param_vcodec, "rv10"))
mux_v->bih->biCompression = mmioFOURCC('R', 'V', '1', '0');
else if (!strcasecmp(lavc_param_vcodec, "mjpeg"))
mux_v->bih->biCompression = mmioFOURCC('M', 'J', 'P', 'G');
else if (!strcasecmp(lavc_param_vcodec, "mpeg4"))
mux_v->bih->biCompression = mmioFOURCC('D', 'I', 'V', 'X');
else if (!strcasecmp(lavc_param_vcodec, "msmpeg4"))
mux_v->bih->biCompression = mmioFOURCC('d', 'i', 'v', '3');
else
mux_v->bih->biCompression = mmioFOURCC(lavc_param_vcodec[0],
lavc_param_vcodec[1], lavc_param_vcodec[2], lavc_param_vcodec[3]); /* FIXME!!! */
if (!avcodec_inited){
avcodec_init();
avcodec_register_all();
avcodec_inited=1;
}
vf->priv->codec = (AVCodec *)avcodec_find_encoder_by_name(lavc_param_vcodec);
if (!vf->priv->codec) {
mp_msg(MSGT_MENCODER,MSGL_ERR,MSGTR_MissingLAVCcodec, lavc_param_vcodec);
return 0;
}
return 1;
}
vf_info_t ve_info_lavc = {
"libavcodec encoder",
"lavc",
"A'rpi",
"for internal use by mencoder",
vf_open
};
//===========================================================================//
#endif
|
