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author | ranma <ranma@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2003-08-03 12:09:58 +0000 |
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committer | ranma <ranma@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2003-08-03 12:09:58 +0000 |
commit | 9f62dfb2c810fd9043d41370cb343aa14e7680ba (patch) | |
tree | b77f83c27d819210e95818705e2e9961297bc1da /libmpcodecs/vf_softpulldown.c | |
parent | 81df98523924656907a32991153864434cc8d124 (diff) | |
download | mpv-9f62dfb2c810fd9043d41370cb343aa14e7680ba.tar.bz2 mpv-9f62dfb2c810fd9043d41370cb343aa14e7680ba.tar.xz |
Add mpeg2_flags to mp_image_t, copy flags in vd_libmpeg2.c,
and add vf_softpulldown.c.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10511 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpcodecs/vf_softpulldown.c')
-rw-r--r-- | libmpcodecs/vf_softpulldown.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/libmpcodecs/vf_softpulldown.c b/libmpcodecs/vf_softpulldown.c new file mode 100644 index 0000000000..909a22bc50 --- /dev/null +++ b/libmpcodecs/vf_softpulldown.c @@ -0,0 +1,160 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "../config.h" +#include "../mp_msg.h" + +#include "img_format.h" +#include "mp_image.h" +#include "vf.h" + +#include "../libvo/fastmemcpy.h" +#include "../libvo/sub.h" + +struct vf_priv_s { + int state; + long long in; + long long out; +}; + +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; i<height; i++) + { + memcpy(dst, src, bytesPerLine); + src+= srcStride; + dst+= dstStride; + } + + return retval; +} + +static int put_image(struct vf_instance_s* vf, mp_image_t *mpi) +{ + mp_image_t *dmpi; + int ret = 0; + int flags = mpi->mpeg2_flags; + int state = vf->priv->state; + + dmpi = vf_get_image(vf->next, mpi->imgfmt, + MP_IMGTYPE_STATIC, MP_IMGFLAG_ACCEPT_STRIDE | + MP_IMGFLAG_PRESERVE, mpi->width, mpi->height); + + vf->priv->in++; + + if ((state == 0 && + !(flags & MP_IMGMPEG2FLAG_TOP_FIELD_FIRST)) || + (state == 1 && + flags & MP_IMGMPEG2FLAG_TOP_FIELD_FIRST)) + mp_msg(MSGT_VFILTER, MSGL_WARN, + "softpulldown: Unexpected mpeg2 flags: state=%d top_field_first=%d repeat_first_field=%d\n", + state, + (flags & MP_IMGMPEG2FLAG_TOP_FIELD_FIRST) == 1, + (flags & MP_IMGMPEG2FLAG_REPEAT_FIRST_FIELD) == 1); + + if (state == 0) { + ret = vf_next_put_image(vf, mpi); + vf->priv->out++; + if (flags & MP_IMGMPEG2FLAG_REPEAT_FIRST_FIELD) { + 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); + } + state=1; + } + } else { + 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); + vf->priv->out++; + if (flags & MP_IMGMPEG2FLAG_REPEAT_FIRST_FIELD) { + ret |= vf_next_put_image(vf, mpi); + vf->priv->out++; + state=0; + } else { + 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); + } + } + } + + vf->priv->state = state; + + return ret; +} + +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) +{ + mp_msg(MSGT_VFILTER, MSGL_INFO, "softpulldown: %lld frames in, %lld frames out\n", vf->priv->in, vf->priv->out); + free(vf->priv); +} + +static int open(vf_instance_t *vf, char* args) +{ + struct vf_priv_s *p; + vf->config = config; + vf->put_image = put_image; + vf->uninit = uninit; + vf->default_reqs = VFCAP_ACCEPT_STRIDE; + vf->priv = p = calloc(1, sizeof(struct vf_priv_s)); + vf->priv->state = 0; + return 1; +} + +vf_info_t vf_info_softpulldown = { + "mpeg2 soft 3:2 pulldown", + "softpulldown", + "Tobias Diedrich", + "", + open, + NULL +}; |