diff options
Diffstat (limited to 'libmpcodecs/vf_softskip.c')
-rw-r--r-- | libmpcodecs/vf_softskip.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/libmpcodecs/vf_softskip.c b/libmpcodecs/vf_softskip.c new file mode 100644 index 0000000000..1ef864f73f --- /dev/null +++ b/libmpcodecs/vf_softskip.c @@ -0,0 +1,85 @@ +#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" + +struct vf_priv_s { + int skipflag; +}; + +static int put_image(struct vf_instance_s* vf, mp_image_t *mpi) +{ + mp_image_t *dmpi; + + if (vf->priv->skipflag) + return vf->priv->skipflag = 0; + + dmpi = vf_get_image(vf->next, mpi->imgfmt, + MP_IMGTYPE_EXPORT, 0, mpi->width, mpi->height); + + dmpi->planes[0] = mpi->planes[0]; + dmpi->stride[0] = mpi->stride[0]; + if (dmpi->flags&MP_IMGFLAG_PLANAR) { + dmpi->planes[1] = mpi->planes[1]; + dmpi->stride[1] = mpi->stride[1]; + dmpi->planes[2] = mpi->planes[2]; + dmpi->stride[2] = mpi->stride[2]; + } + + return vf_next_put_image(vf, dmpi); +} + +static int control(struct vf_instance_s* vf, int request, void* data) +{ + switch (request) { + case VFCTRL_SKIP_NEXT_FRAME: + vf->priv->skipflag = 1; + return CONTROL_TRUE; + } + return vf_next_control(vf, request, data); +} + +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 void uninit(struct vf_instance_s* vf) +{ + free(vf->priv); +} + +static int open(vf_instance_t *vf, char* args) +{ + vf->put_image = put_image; + vf->control = control; + vf->uninit = uninit; + vf->priv = calloc(1, sizeof(struct vf_priv_s)); + return 1; +} + +vf_info_t vf_info_softskip = { + "soft (post-filter) frame skipping for encoding", + "softskip", + "Rich Felker", + "", + open, + NULL +}; + + |