summaryrefslogtreecommitdiffstats
path: root/video/filter/vf_dlopen.c
diff options
context:
space:
mode:
Diffstat (limited to 'video/filter/vf_dlopen.c')
-rw-r--r--video/filter/vf_dlopen.c350
1 files changed, 0 insertions, 350 deletions
diff --git a/video/filter/vf_dlopen.c b/video/filter/vf_dlopen.c
deleted file mode 100644
index a53b0d191c..0000000000
--- a/video/filter/vf_dlopen.c
+++ /dev/null
@@ -1,350 +0,0 @@
-/*
- * This file is part of mpv.
- *
- * mpv is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * mpv is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with mpv. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <inttypes.h>
-#include <assert.h>
-
-#include "config.h"
-#include "common/msg.h"
-
-#include "video/img_format.h"
-#include "video/mp_image.h"
-#include "vf.h"
-
-#include "options/m_option.h"
-
-#include "vf_dlopen.h"
-
-#ifdef _WIN32
-# include <windows.h>
-# define DLLOpen(name) LoadLibraryA(name)
-# define DLLClose(handle) FreeLibrary(handle)
-# define DLLSymbol(handle, name) ((void *)GetProcAddress(handle, name))
-#else
-# include <dlfcn.h>
-# define DLLOpen(name) dlopen(name, RTLD_NOW)
-# define DLLClose(handle) dlclose(handle)
-# define DLLSymbol(handle, name) dlsym(handle, name)
-#endif
-
-struct vf_priv_s {
- char *cfg_dllname;
- int cfg_argc;
- char *cfg_argv[16];
- void *dll;
- struct vf_dlopen_context filter;
-
- // output mp_image_t stuff
- mp_image_t *outpic[FILTER_MAX_OUTCNT];
-
- // generic
- unsigned int out_cnt, out_width, out_height;
-
- // multi frame output
- unsigned int outbufferpos;
- unsigned int outbufferlen;
- mp_image_t *outbuffermpi;
-
- unsigned int outfmt;
-
- int argc;
-};
-
-struct fmtname {
- const char *name;
- enum mp_imgfmt fmt;
-};
-
-//===========================================================================//
-
-static void set_imgprop(struct vf_dlopen_picdata *out, const mp_image_t *mpi)
-{
- int i;
- out->planes = mpi->num_planes;
- for (i = 0; i < mpi->num_planes; ++i) {
- out->plane[i] = mpi->planes[i];
- out->planestride[i] = mpi->stride[i];
- out->planewidth[i] =
- i ? (/*mpi->chroma_width*/ mpi->w >> mpi->fmt.chroma_xs) : mpi->w;
- out->planeheight[i] =
- i ? (/*mpi->chroma_height*/ mpi->h >> mpi->fmt.chroma_ys) : mpi->h;
- out->planexshift[i] = i ? mpi->fmt.chroma_xs : 0;
- out->planeyshift[i] = i ? mpi->fmt.chroma_ys : 0;
- }
-}
-
-static int reconfig(struct vf_instance *vf, struct mp_image_params *in,
- struct mp_image_params *out)
-{
- mp_image_params_get_dsize(in, &vf->priv->filter.in_d_width,
- &vf->priv->filter.in_d_height);
-
- vf->priv->filter.in_width = in->w;
- vf->priv->filter.in_height = in->h;
- vf->priv->filter.in_fmt = talloc_strdup(vf, mp_imgfmt_to_name(in->imgfmt));
- vf->priv->filter.out_width = vf->priv->filter.in_width;
- vf->priv->filter.out_height = vf->priv->filter.in_height;
- vf->priv->filter.out_d_width = vf->priv->filter.in_d_width;
- vf->priv->filter.out_d_height = vf->priv->filter.in_d_height;
- vf->priv->filter.out_fmt = NULL;
- vf->priv->filter.out_cnt = 1;
-
- if (!vf->priv->filter.in_fmt) {
- MP_ERR(vf, "invalid input/output format\n");
- return -1;
- }
- if (vf->priv->filter.config && vf->priv->filter.config(&vf->priv->filter) < 0) {
- MP_ERR(vf, "filter config failed\n");
- return -1;
- }
-
- // copy away stuff to sanity island
- vf->priv->out_cnt = vf->priv->filter.out_cnt;
- vf->priv->out_width = vf->priv->filter.out_width;
- vf->priv->out_height = vf->priv->filter.out_height;
-
- if (vf->priv->filter.out_fmt)
- vf->priv->outfmt = mp_imgfmt_from_name(bstr0(vf->priv->filter.out_fmt), false);
- else {
- struct vf_dlopen_formatpair *p = vf->priv->filter.format_mapping;
- vf->priv->outfmt = 0;
- if (p) {
- for (; p->from; ++p) {
- // TODO support pixel format classes in matching
- if (!strcmp(p->from, vf->priv->filter.in_fmt)) {
- if(p->to)
- vf->priv->outfmt = mp_imgfmt_from_name(bstr0(p->to), false);
- else
- vf->priv->outfmt = mp_imgfmt_from_name(bstr0(p->from), false);
- break;
- }
- }
- } else
- vf->priv->outfmt = in->imgfmt;
- vf->priv->filter.out_fmt =
- talloc_strdup(vf, mp_imgfmt_to_name(vf->priv->outfmt));
- }
-
- if (!vf->priv->outfmt) {
- MP_ERR(vf, "filter config wants an unsupported output format\n");
- return -1;
- }
- if (!vf->priv->out_cnt || vf->priv->out_cnt > FILTER_MAX_OUTCNT) {
- MP_ERR(vf, "filter config wants to yield zero or too many output frames\n");
- return -1;
- }
-
- for (int i = 0; i < vf->priv->out_cnt; ++i) {
- talloc_free(vf->priv->outpic[i]);
- vf->priv->outpic[i] =
- mp_image_alloc(vf->priv->outfmt,
- vf->priv->out_width, vf->priv->out_height);
- if (!vf->priv->outpic[i])
- return -1; // OOM
- talloc_steal(vf, vf->priv->outpic[i]);
- set_imgprop(&vf->priv->filter.outpic[i], vf->priv->outpic[i]);
- }
-
- *out = *in;
- out->w = vf->priv->out_width;
- out->h = vf->priv->out_height;
- mp_image_params_set_dsize(out, vf->priv->filter.out_d_width,
- vf->priv->filter.out_d_height);
- out->imgfmt = vf->priv->outfmt;
- return 0;
-}
-
-static void uninit(struct vf_instance *vf)
-{
- if (vf->priv->filter.uninit)
- vf->priv->filter.uninit(&vf->priv->filter);
- memset(&vf->priv->filter, 0, sizeof(vf->priv->filter));
- if (vf->priv->dll) {
- DLLClose(vf->priv->dll);
- vf->priv->dll = NULL;
- }
-}
-
-static int filter(struct vf_instance *vf, struct mp_image *mpi)
-{
- if (!mpi)
- return 0;
-
- set_imgprop(&vf->priv->filter.inpic, mpi);
- vf->priv->filter.inpic_qscale = NULL;
- vf->priv->filter.inpic_qscalestride = 0;
- vf->priv->filter.inpic_qscaleshift = 0;
- vf->priv->filter.inpic.pts = mpi->pts;
-
- struct mp_image *out[FILTER_MAX_OUTCNT] = {0};
-
- for (int n = 0; n < vf->priv->out_cnt; n++) {
- out[n] = vf_alloc_out_image(vf);
- if (!out[n]) {
- talloc_free(mpi);
- return -1;
- }
- mp_image_copy_attributes(out[n], mpi);
- set_imgprop(&vf->priv->filter.outpic[n], out[n]);
- }
-
- // more than one out pic
- int ret = vf->priv->filter.put_image(&vf->priv->filter);
- if (ret < 0)
- ret = 0;
- assert(ret <= vf->priv->out_cnt);
-
- for (int n = 0; n < ret; n++) {
- out[n]->pts = vf->priv->filter.outpic[n].pts;
- vf_add_output_frame(vf, out[n]);
- }
- for (int n = ret; n < FILTER_MAX_OUTCNT; n++) {
- talloc_free(out[n]);
- }
-
- talloc_free(mpi);
- return 0;
-}
-
-//===========================================================================//
-
-static int query_format(struct vf_instance *vf, unsigned int fmt)
-{
- if (IMGFMT_IS_HWACCEL(fmt))
- return 0; // these can't really be filtered
- if (fmt == IMGFMT_PAL8)
- return 0; // we don't have palette support, sorry
- const char *fmtname = mp_imgfmt_to_name(fmt);
- if (!fmtname)
- return 0;
- struct vf_dlopen_formatpair *p = vf->priv->filter.format_mapping;
- unsigned int outfmt = 0;
- if (p) {
- for (; p->from; ++p) {
- // TODO support pixel format classes in matching
- if (!strcmp(p->from, fmtname)) {
- if (p->to)
- outfmt = mp_imgfmt_from_name(bstr0(p->to), false);
- else
- outfmt = mp_imgfmt_from_name(bstr0(p->from), false);
- break;
- }
- }
- } else {
- outfmt = fmt;
- }
- if (!outfmt)
- return 0;
- return vf_next_query_format(vf, outfmt);
-}
-
-static int vf_open(vf_instance_t *vf)
-{
- int i;
- if (!vf->priv->cfg_dllname) {
- MP_ERR(vf, "usage: --vf=dlopen=/path/to/filename.so:args\n");
- return 0;
- }
-
- MP_WARN(vf, "This filter is deprecated. No replacement.\n");
-
- vf->priv->dll = DLLOpen(vf->priv->cfg_dllname);
- if (!vf->priv->dll) {
- MP_ERR(vf, "library not found: %s\n",
- vf->priv->cfg_dllname);
- return 0;
- }
-
- vf_dlopen_getcontext_func *func =
- (vf_dlopen_getcontext_func *) DLLSymbol(vf->priv->dll, "vf_dlopen_getcontext");
- if (!func) {
- MP_ERR(vf, "library is not a filter: %s\n",
- vf->priv->cfg_dllname);
- return 0;
- }
-
- memset(&vf->priv->filter, 0, sizeof(vf->priv->filter));
- vf->priv->filter.major_version = VF_DLOPEN_MAJOR_VERSION;
- vf->priv->filter.minor_version = VF_DLOPEN_MINOR_VERSION;
-
- // count arguments
- for (vf->priv->cfg_argc = sizeof(vf->priv->cfg_argv) / sizeof(vf->priv->cfg_argv[0]);
- vf->priv->cfg_argc > 0 && !vf->priv->cfg_argv[vf->priv->cfg_argc - 1];
- --vf->priv->cfg_argc)
- ;
-
- // fix empty arguments
- for (i = 0; i < vf->priv->cfg_argc; ++i)
- if (vf->priv->cfg_argv[i] == NULL)
- vf->priv->cfg_argv[i] = talloc_strdup (vf->priv, "");
-
- if (func(&vf->priv->filter, vf->priv->cfg_argc,
- (const char **)vf->priv->cfg_argv) < 0)
- {
- MP_ERR(vf, "function did not create a filter: %s\n",
- vf->priv->cfg_dllname);
- return 0;
- }
-
- if (!vf->priv->filter.put_image) {
- MP_ERR(vf, "function did not create a filter that can put images: %s\n",
- vf->priv->cfg_dllname);
- return 0;
- }
-
- vf->filter_ext = filter;
- vf->query_format = query_format;
- vf->reconfig = reconfig;
- vf->uninit = uninit;
-
- return 1;
-}
-
-#define OPT_BASE_STRUCT struct vf_priv_s
-static const m_option_t vf_opts_fields[] = {
- OPT_STRING("dll", cfg_dllname, 0),
- OPT_STRING("a0", cfg_argv[0], 0),
- OPT_STRING("a1", cfg_argv[1], 0),
- OPT_STRING("a2", cfg_argv[2], 0),
- OPT_STRING("a3", cfg_argv[3], 0),
- OPT_STRING("a4", cfg_argv[4], 0),
- OPT_STRING("a5", cfg_argv[5], 0),
- OPT_STRING("a6", cfg_argv[6], 0),
- OPT_STRING("a7", cfg_argv[7], 0),
- OPT_STRING("a8", cfg_argv[8], 0),
- OPT_STRING("a9", cfg_argv[9], 0),
- OPT_STRING("a10", cfg_argv[10], 0),
- OPT_STRING("a11", cfg_argv[11], 0),
- OPT_STRING("a12", cfg_argv[12], 0),
- OPT_STRING("a13", cfg_argv[13], 0),
- OPT_STRING("a14", cfg_argv[14], 0),
- OPT_STRING("a15", cfg_argv[15], 0),
- {0}
-};
-
-const vf_info_t vf_info_dlopen = {
- .description = "Dynamic library filter",
- .name = "dlopen",
- .open = vf_open,
- .priv_size = sizeof(struct vf_priv_s),
- .options = vf_opts_fields,
-};
-
-//===========================================================================//