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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include "../config.h"
#include "../mp_msg.h"
//#ifdef USE_LIBFAME
// 100=best >=80 very good >=50 fast
#define QUALITY 90
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
//#include "../libvo/fastmemcpy.h"
#include "../libfame/fame.h"
struct vf_priv_s {
unsigned char* outbuf;
int outbuf_size;
fame_parameters_t params;
fame_context_t *ctx;
vo_mpegpes_t pes;
};
//===========================================================================//
static int config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt){
if(vf_next_query_format(vf,IMGFMT_MPEGPES)<=0) return 0;
vf->priv->params.width=width;
vf->priv->params.height=height;
vf->priv->outbuf_size=10000+width*height; // must be enough!
if(vf->priv->outbuf) free(vf->priv->outbuf);
vf->priv->outbuf = malloc(vf->priv->outbuf_size);
fame_init(vf->priv->ctx,&vf->priv->params,vf->priv->outbuf,vf->priv->outbuf_size);
return vf_next_config(vf,width,height,d_width,d_height,flags,IMGFMT_MPEGPES);
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
fame_yuv_t yuv;
mp_image_t *dmpi;
int out_size;
yuv.w=mpi->width;
yuv.h=mpi->height;
yuv.p=mpi->stride[0];
yuv.y=mpi->planes[0];
yuv.u=mpi->planes[1];
yuv.v=mpi->planes[2];
// out_size = fame_encode_frame(vf->priv->ctx, &yuv, NULL);
fame_start_frame(vf->priv->ctx, &yuv, NULL);
out_size = fame_encode_slice(vf->priv->ctx);
fame_end_frame(vf->priv->ctx, NULL);
if(out_size<=0) return 1;
dmpi=vf_get_image(vf->next,IMGFMT_MPEGPES,
MP_IMGTYPE_EXPORT, 0,
mpi->w, mpi->h);
vf->priv->pes.data=vf->priv->outbuf;
vf->priv->pes.size=out_size;
vf->priv->pes.id=0x1E0;
vf->priv->pes.timestamp=-1; // dunno
dmpi->planes[0]=(void*) &vf->priv->pes;
return vf_next_put_image(vf,dmpi);
}
//===========================================================================//
static int query_format(struct vf_instance_s* vf, unsigned int fmt){
switch(fmt){
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
// return (vf_next_query_format(vf,IMGFMT_MPEGPES) & (~(VFCAP_CSP_SUPPORTED_BY_HW|VFCAP_ACCEPT_STRIDE)));
return (vf_next_query_format(vf,IMGFMT_MPEGPES) & (~(VFCAP_CSP_SUPPORTED_BY_HW)));
}
return 0;
}
static int open(vf_instance_t *vf, char* args){
int p_quality=0;
float p_fps=0;
vf->config=config;
vf->put_image=put_image;
vf->query_format=query_format;
vf->priv=malloc(sizeof(struct vf_priv_s));
memset(vf->priv,0,sizeof(struct vf_priv_s));
vf->priv->ctx=fame_open();
if(!vf->priv->ctx){
printf("FATAL: cannot open libFAME!\n");
return 0;
}
// TODO: parse args ->
if(args) sscanf(args, "%d:%f", &p_quality, &p_fps);
if(p_quality<=100){
// fixed quality
vf->priv->params.quality=p_quality?p_quality:QUALITY;
vf->priv->params.bitrate=0;
} else {
// fixed bitrate (in kbits)
vf->priv->params.quality=QUALITY;
vf->priv->params.bitrate=1000*p_quality;
}
if(p_fps<1) p_fps=25.0;
if(p_fps == ((int)p_fps)){
vf->priv->params.frame_rate_num=p_fps;
vf->priv->params.frame_rate_den=1;
} else {
vf->priv->params.frame_rate_num=p_fps*1001;
vf->priv->params.frame_rate_den=1001;
}
vf->priv->params.coding="I";
vf->priv->params.slices_per_frame=1;
vf->priv->params.frames_per_sequence=(int)p_fps;
vf->priv->params.shape_quality=100;
vf->priv->params.search_range=8; // for "IPPP" only
vf->priv->params.verbose=0;
vf->priv->params.profile="mpeg1"; // TODO
return 1;
}
vf_info_t vf_info_fame = {
"realtime mpeg1 encoding with libFAME",
"fame",
"A'rpi",
"",
open
};
//===========================================================================//
//#endif
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