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