mirror of
https://github.com/mpv-player/mpv
synced 2024-12-26 00:42:57 +00:00
92 lines
1.8 KiB
C
92 lines
1.8 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "../config.h"
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#include "../mp_msg.h"
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#include "img_format.h"
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#include "mp_image.h"
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#include "vf.h"
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#include "../libvo/fastmemcpy.h"
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struct vf_priv_s {
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mp_image_t *last_mpi;
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};
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static int put_image(struct vf_instance_s* vf, mp_image_t *mpi)
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{
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mp_image_t *dmpi;
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int ret;
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vf->priv->last_mpi = mpi;
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dmpi = vf_get_image(vf->next, mpi->imgfmt,
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MP_IMGTYPE_EXPORT, 0, mpi->width, mpi->height);
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dmpi->planes[0] = mpi->planes[0];
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dmpi->stride[0] = mpi->stride[0];
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if (dmpi->flags&MP_IMGFLAG_PLANAR) {
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dmpi->planes[1] = mpi->planes[1];
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dmpi->stride[1] = mpi->stride[1];
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dmpi->planes[2] = mpi->planes[2];
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dmpi->stride[2] = mpi->stride[2];
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}
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return vf_next_put_image(vf, dmpi);
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}
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static int control(struct vf_instance_s* vf, int request, void* data)
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{
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switch (request) {
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case VFCTRL_DUPLICATE_FRAME:
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if (!vf->priv->last_mpi) break;
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// This is a huge hack. We assume nothing
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// has been called earlier in the filter chain
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// since the last put_image. This is reasonable
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// because we're handling a duplicate frame!
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if (put_image(vf, vf->priv->last_mpi))
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return CONTROL_TRUE;
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break;
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}
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return vf_next_control(vf, request, data);
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}
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static int query_format(struct vf_instance_s* vf, unsigned int fmt)
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{
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/* FIXME - figure out which other formats work */
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switch (fmt) {
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case IMGFMT_YV12:
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case IMGFMT_IYUV:
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case IMGFMT_I420:
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return vf_next_query_format(vf, fmt);
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}
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return 0;
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}
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static void uninit(struct vf_instance_s* vf)
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{
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free(vf->priv);
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}
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static int open(vf_instance_t *vf, char* args)
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{
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vf->put_image = put_image;
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vf->control = control;
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vf->uninit = uninit;
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vf->priv = calloc(1, sizeof(struct vf_priv_s));
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return 1;
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}
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vf_info_t vf_info_harddup = {
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"resubmit duplicate frames for encoding",
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"harddup",
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"Rich Felker",
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"",
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open,
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NULL
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};
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