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#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_vmax_b_frames = 0;
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},
{"vmax_b_frames", &lavc_param_vmax_b_frames, CONF_TYPE_INT, CONF_RANGE, 0, FF_MAX_B_FRAMES, 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;
lavc_venc_context.max_b_frames= lavc_param_vmax_b_frames;
/* 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;
#ifdef ME_ZERO
// workaround Juanjo's stupid incompatible change:
motion_estimation_method = lavc_param_vme;
#else
lavc_venc_context.me_method = ME_ZERO+lavc_param_vme;
#endif
/* 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;
} else
lavc_venc_context.flags &= ~CODEC_FLAG_HQ;
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;
} else
lavc_venc_context.flags|=CODEC_FLAG_QSCALE|CODEC_FLAG_TYPE; // VBR
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();
lavc_venc_context.key_frame=VbrControl_get_intra();
lavc_venc_context.gop_size=0x3fffffff;
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
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