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libavcodec slices support

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5483 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-04-03 23:59:54 +00:00
parent f331f54b26
commit 37237d0e2f
1 changed files with 45 additions and 20 deletions

65
libmpcodecs/vd_ffmpeg.c

@ -33,7 +33,9 @@ int avcodec_inited=0;
typedef struct {
AVCodecContext *avctx;
int last_aspect;
int last_aspect;
int do_slices;
int vo_inited;
} vd_ffmpeg_ctx;
//#ifdef FF_POSTPROCESS
@ -67,6 +69,10 @@ static int init(sh_video_t *sh){
mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_MissingLAVCcodec,sh->codec->dll);
return 0;
}
// currently buggy with B frames...
// if(vd_use_slices && lavc_codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND)
// ctx->do_slices=1;
ctx->avctx = malloc(sizeof(AVCodecContext));
memset(ctx->avctx, 0, sizeof(AVCodecContext));
@ -83,7 +89,8 @@ static int init(sh_video_t *sh){
return 0;
}
mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: libavcodec init OK!\n");
return mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YV12);
ctx->last_aspect=-3;
return 1; //mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YV12);
}
// uninit driver
@ -99,7 +106,20 @@ static void uninit(sh_video_t *sh){
free(ctx);
}
//mp_image_t* mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag, int w, int h);
#include "libvo/video_out.h" // FIXME!!!
static void draw_slice(struct AVCodecContext *s,
UINT8 **src, int linesize,
int y, int width, int height){
vo_functions_t * output = s->opaque;
int stride[3];
stride[0]=linesize;
stride[1]=stride[2]=stride[0]/2;
output->draw_slice (src, stride, width, height, 0, y);
}
// decode a frame
static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
@ -108,17 +128,32 @@ static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
AVPicture lavc_picture;
vd_ffmpeg_ctx *ctx = sh->context;
AVCodecContext *avctx = ctx->avctx;
mp_image_t* mpi;
mp_image_t* mpi=NULL;
if(len<=0) return NULL; // skipped frame
if(ctx->vo_inited){
mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, MP_IMGFLAG_PRESERVE |
(ctx->do_slices?MP_IMGFLAG_DRAW_CALLBACK:0),
sh->disp_w, sh->disp_h);
if(mpi && mpi->flags&MP_IMGFLAG_DRAW_CALLBACK){
// vd core likes slices!
avctx->draw_horiz_band=draw_slice;
avctx->opaque=sh->video_out;
} else
avctx->draw_horiz_band=NULL;
}
ret = avcodec_decode_video(avctx, &lavc_picture,
&got_picture, data, len);
if(ret<0) mp_msg(MSGT_DECVIDEO,MSGL_WARN, "Error while decoding frame!\n");
if(!got_picture) return NULL; // skipped image
if (avctx->aspect_ratio_info != ctx->last_aspect)
if (avctx->aspect_ratio_info != ctx->last_aspect ||
avctx->width != sh->disp_w ||
avctx->height != sh->disp_h ||
!ctx->vo_inited)
{
ctx->last_aspect = avctx->aspect_ratio_info;
switch(avctx->aspect_ratio_info)
@ -136,24 +171,14 @@ static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
sh->aspect = 0.0;
break;
}
/* config only if width && height isn't changed */
/* else it will config twice */
if ((sh->aspect > 0.01) && (avctx->width == sh->disp_w) &&
(avctx->height == sh->disp_h))
if (mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YV12))
sh->disp_w = avctx->width;
sh->disp_h = avctx->height;
ctx->vo_inited=1;
if (mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YV12))
return NULL;
}
if ((avctx->width != sh->disp_w) ||
(avctx->height != sh->disp_h))
{
/* and what about the sh->bih (BitmapInfoHeader) width/height values? */
sh->disp_w = avctx->width;
sh->disp_h = avctx->height;
if (mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YV12))
return NULL;
}
if(!mpi)
mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, MP_IMGFLAG_PRESERVE,
avctx->width, avctx->height);
if(!mpi){ // temporary!