From 7f713d63bf3d7a901713a7f30af2cfd63a58abba Mon Sep 17 00:00:00 2001 From: rfelker Date: Thu, 20 Feb 2003 04:57:37 +0000 Subject: filter for applying 3:2 telecine to 23.976 fps progressive material. use with mencder -ofps 29.97 -fps 29.97 for proper results! git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9469 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libmpcodecs/vf_telecine.c | 151 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 151 insertions(+) create mode 100644 libmpcodecs/vf_telecine.c (limited to 'libmpcodecs/vf_telecine.c') diff --git a/libmpcodecs/vf_telecine.c b/libmpcodecs/vf_telecine.c new file mode 100644 index 0000000000..a71494d611 --- /dev/null +++ b/libmpcodecs/vf_telecine.c @@ -0,0 +1,151 @@ +#include +#include +#include + +#include "../config.h" +#include "../mp_msg.h" + +#include "img_format.h" +#include "mp_image.h" +#include "vf.h" + +#include "../libvo/fastmemcpy.h" + +struct vf_priv_s { + int frame; +}; + +static inline void *my_memcpy_pic(void * dst, void * src, int bytesPerLine, int height, int dstStride, int srcStride) +{ + int i; + void *retval=dst; + + for(i=0; ipriv->frame = (vf->priv->frame+1)%4; + + dmpi = vf_get_image(vf->next, mpi->imgfmt, + MP_IMGTYPE_STATIC, MP_IMGFLAG_ACCEPT_STRIDE | + MP_IMGFLAG_PRESERVE, mpi->width, mpi->height); + + ret = 0; + // 0/0 1/1 2/2 2/3 3/0 + switch (vf->priv->frame) { + case 0: + my_memcpy_pic(dmpi->planes[0]+dmpi->stride[0], + mpi->planes[0]+mpi->stride[0], mpi->w, mpi->h/2, + dmpi->stride[0]*2, mpi->stride[0]*2); + if (mpi->flags & MP_IMGFLAG_PLANAR) { + my_memcpy_pic(dmpi->planes[1]+dmpi->stride[1], + mpi->planes[1]+mpi->stride[1], + mpi->chroma_width, mpi->chroma_height/2, + dmpi->stride[1]*2, mpi->stride[1]*2); + my_memcpy_pic(dmpi->planes[2]+dmpi->stride[2], + mpi->planes[2]+mpi->stride[2], + mpi->chroma_width, mpi->chroma_height/2, + dmpi->stride[2]*2, mpi->stride[2]*2); + } + ret = vf_next_put_image(vf, dmpi); + case 1: + case 2: + memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h, + dmpi->stride[0], mpi->stride[0]); + if (mpi->flags & MP_IMGFLAG_PLANAR) { + memcpy_pic(dmpi->planes[1], mpi->planes[1], + mpi->chroma_width, mpi->chroma_height, + dmpi->stride[1], mpi->stride[1]); + memcpy_pic(dmpi->planes[2], mpi->planes[2], + mpi->chroma_width, mpi->chroma_height, + dmpi->stride[2], mpi->stride[2]); + } + return vf_next_put_image(vf, dmpi) || ret; + case 3: + my_memcpy_pic(dmpi->planes[0]+dmpi->stride[0], + mpi->planes[0]+mpi->stride[0], mpi->w, mpi->h/2, + dmpi->stride[0]*2, mpi->stride[0]*2); + if (mpi->flags & MP_IMGFLAG_PLANAR) { + my_memcpy_pic(dmpi->planes[1]+dmpi->stride[1], + mpi->planes[1]+mpi->stride[1], + mpi->chroma_width, mpi->chroma_height/2, + dmpi->stride[1]*2, mpi->stride[1]*2); + my_memcpy_pic(dmpi->planes[2]+dmpi->stride[2], + mpi->planes[2]+mpi->stride[2], + mpi->chroma_width, mpi->chroma_height/2, + dmpi->stride[2]*2, mpi->stride[2]*2); + } + ret = vf_next_put_image(vf, dmpi); + my_memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h/2, + dmpi->stride[0]*2, mpi->stride[0]*2); + if (mpi->flags & MP_IMGFLAG_PLANAR) { + my_memcpy_pic(dmpi->planes[1], mpi->planes[1], + mpi->chroma_width, mpi->chroma_height/2, + dmpi->stride[1]*2, mpi->stride[1]*2); + my_memcpy_pic(dmpi->planes[2], mpi->planes[2], + mpi->chroma_width, mpi->chroma_height/2, + dmpi->stride[2]*2, mpi->stride[2]*2); + } + return ret; + } + return 0; +} + +static int query_format(struct vf_instance_s* vf, unsigned int fmt) +{ + /* FIXME - figure out which other formats work */ + switch (fmt) { + case IMGFMT_YV12: + case IMGFMT_IYUV: + case IMGFMT_I420: + return vf_next_query_format(vf, fmt); + } + return 0; +} + +static int config(struct vf_instance_s* vf, + int width, int height, int d_width, int d_height, + unsigned int flags, unsigned int outfmt) +{ + return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt); +} + +static void uninit(struct vf_instance_s* vf) +{ + free(vf->priv); +} + +static int open(vf_instance_t *vf, char* args) +{ + //vf->config = config; + vf->put_image = put_image; + //vf->query_format = query_format; + vf->uninit = uninit; + vf->default_reqs = VFCAP_ACCEPT_STRIDE; + vf->priv = calloc(1, sizeof(struct vf_priv_s)); + vf->priv->frame = 1; + if (args) sscanf(args, "%d", &vf->priv->frame); + vf->priv->frame--; + return 1; +} + +vf_info_t vf_info_telecine = { + "telecine filter", + "telecine", + "Rich Felker", + "", + open +}; + + -- cgit v1.2.3