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FPS autodetection, accept args: quality:fps

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6020 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-05-08 22:11:14 +00:00
parent 9b3a792d2e
commit b129b870e0
1 changed files with 30 additions and 4 deletions
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34
libmpcodecs/vf_lavc.c
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@ -42,6 +42,22 @@ static int config(struct vf_instance_s* vf,
lavc_venc_context.width = width;
lavc_venc_context.height = height;
if(!lavc_venc_context.frame_rate){
// guess FPS:
switch(height){
case 240:
case 480:
lavc_venc_context.frame_rate=29.97*FRAME_RATE_BASE; // NTSC
break;
case 576:
case 288:
default:
lavc_venc_context.frame_rate=25*FRAME_RATE_BASE; // PAL
break;
// lavc_venc_context.frame_rate=vo_fps*FRAME_RATE_BASE; // same as src
}
}
if(vf->priv->outbuf) free(vf->priv->outbuf);
@ -106,6 +122,9 @@ static int query_format(struct vf_instance_s* vf, unsigned int fmt){
}
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;
@ -125,12 +144,19 @@ static int open(vf_instance_t *vf, char* args){
}
// TODO: parse args ->
lavc_venc_context.bit_rate = 8000000;
lavc_venc_context.frame_rate = 25 * FRAME_RATE_BASE;
if(args) sscanf(args, "%d:%f", &p_quality, &p_fps);
if(p_quality<32){
// fixed qscale
lavc_venc_context.flags = CODEC_FLAG_QSCALE;
lavc_venc_context.quality = (p_quality<1) ? 1 : p_quality;
} else {
// fixed bitrate (in kbits)
lavc_venc_context.bit_rate = 1000*p_quality;
}
lavc_venc_context.frame_rate = (p_fps<1.0) ? 0 : (p_fps * FRAME_RATE_BASE);
lavc_venc_context.qmin= 1;
lavc_venc_context.gop_size = 0; // I-only
lavc_venc_context.flags = CODEC_FLAG_QSCALE;
lavc_venc_context.quality = 1;
return 1;
}