libmpcodecs/vf_fame.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <inttypes.h>
   5
   6 #include "config.h"
   7 #include "mp_msg.h"
   8 #include "help_mp.h"
   9
  10 //#ifdef USE_LIBFAME
  11
  12 // 100=best >=80 very good >=50 fast
  13 #define QUALITY 90
  14
  15 #include "img_format.h"
  16 #include "mp_image.h"
  17 #include "vf.h"
  18
  19 //#include "libvo/fastmemcpy.h"
  20 #include <fame.h>
  21
  22 struct vf_priv_s {
  23     unsigned char* outbuf;
  24     int outbuf_size;
  25     fame_parameters_t params;
  26     fame_context_t *ctx;
  27     vo_mpegpes_t pes;
  28 };
  29
  30 //===========================================================================//
  31
  32 static int config(struct vf_instance_s* vf,
  33         int width, int height, int d_width, int d_height,
  34         unsigned int flags, unsigned int outfmt){
  35     if(vf_next_query_format(vf,IMGFMT_MPEGPES)<=0) return 0;
  36
  37     vf->priv->params.width=width;
  38     vf->priv->params.height=height;
  39
  40     vf->priv->outbuf_size=10000+width*height;  // must be enough!
  41     if(vf->priv->outbuf) free(vf->priv->outbuf);
  42     vf->priv->outbuf = malloc(vf->priv->outbuf_size);
  43
  44     fame_init(vf->priv->ctx,&vf->priv->params,vf->priv->outbuf,vf->priv->outbuf_size);
  45
  46     return vf_next_config(vf,width,height,d_width,d_height,flags,IMGFMT_MPEGPES);
  47 }
  48
  49 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
  50     fame_yuv_t yuv;
  51     mp_image_t *dmpi;
  52     int out_size;
  53
  54     yuv.w=mpi->width;
  55     yuv.h=mpi->height;
  56     yuv.p=mpi->stride[0];
  57     yuv.y=mpi->planes[0];
  58     yuv.u=mpi->planes[1];
  59     yuv.v=mpi->planes[2];
  60
  61 //    out_size = fame_encode_frame(vf->priv->ctx, &yuv, NULL);
  62     fame_start_frame(vf->priv->ctx, &yuv, NULL);
  63     out_size = fame_encode_slice(vf->priv->ctx);
  64     fame_end_frame(vf->priv->ctx, NULL);
  65
  66     if(out_size<=0) return 1;
  67
  68     dmpi=vf_get_image(vf->next,IMGFMT_MPEGPES,
  69         MP_IMGTYPE_EXPORT, 0,
  70         mpi->w, mpi->h);
  71
  72     vf->priv->pes.data=vf->priv->outbuf;
  73     vf->priv->pes.size=out_size;
  74     vf->priv->pes.id=0x1E0;
  75     vf->priv->pes.timestamp=-1; // dunno
  76
  77     dmpi->planes[0]=(void*) &vf->priv->pes;
  78
  79     return vf_next_put_image(vf,dmpi, MP_NOPTS_VALUE);
  80 }
  81
  82 //===========================================================================//
  83
  84 static int query_format(struct vf_instance_s* vf, unsigned int fmt){
  85     switch(fmt){
  86     case IMGFMT_YV12:
  87     case IMGFMT_I420:
  88     case IMGFMT_IYUV:
  89 //      return (vf_next_query_format(vf,IMGFMT_MPEGPES) & (~(VFCAP_CSP_SUPPORTED_BY_HW|VFCAP_ACCEPT_STRIDE)));
  90         return (vf_next_query_format(vf,IMGFMT_MPEGPES) & (~(VFCAP_CSP_SUPPORTED_BY_HW)));
  91     }
  92     return 0;
  93 }
  94
  95 static int open(vf_instance_t *vf, char* args){
  96     int p_quality=0;
  97     float p_fps=0;
  98
  99     vf->config=config;
 100     vf->put_image=put_image;
 101     vf->query_format=query_format;
 102     vf->priv=malloc(sizeof(struct vf_priv_s));
 103     memset(vf->priv,0,sizeof(struct vf_priv_s));
 104
 105     vf->priv->ctx=fame_open();
 106     if(!vf->priv->ctx){
 107         mp_msg(MSGT_VFILTER, MSGL_ERR, MSGTR_MPCODECS_FatalCantOpenlibFAME);
 108         return 0;
 109     }
 110
 111     // TODO: parse args ->
 112     if(args) sscanf(args, "%d:%f", &p_quality, &p_fps);
 113
 114     if(p_quality<=100){
 115         // fixed quality
 116         vf->priv->params.quality=p_quality?p_quality:QUALITY;
 117         vf->priv->params.bitrate=0;
 118     } else {
 119         // fixed bitrate (in kbits)
 120         vf->priv->params.quality=QUALITY;
 121         vf->priv->params.bitrate=1000*p_quality;
 122     }
 123
 124     if(p_fps<1) p_fps=25.0;
 125     if(p_fps == ((int)p_fps)){
 126         vf->priv->params.frame_rate_num=p_fps;
 127         vf->priv->params.frame_rate_den=1;
 128     } else {
 129         vf->priv->params.frame_rate_num=p_fps*1001;
 130         vf->priv->params.frame_rate_den=1001;
 131     }
 132
 133     vf->priv->params.coding="I";
 134     vf->priv->params.slices_per_frame=1;
 135     vf->priv->params.frames_per_sequence=(int)p_fps;
 136     vf->priv->params.shape_quality=100;
 137     vf->priv->params.search_range=8; // for "IPPP" only
 138     vf->priv->params.verbose=0;
 139     vf->priv->params.profile="mpeg1"; // TODO
 140
 141     return 1;
 142 }
 143
 144 vf_info_t vf_info_fame = {
 145     "realtime mpeg1 encoding with libFAME",
 146     "fame",
 147     "A'rpi",
 148     "",
 149     open,
 150     NULL
 151 };
 152
 153 //===========================================================================//
 154 //#endif