diff options
Diffstat (limited to 'video/filter/vf_dlopen.c')
-rw-r--r-- | video/filter/vf_dlopen.c | 350 |
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, -}; - -//===========================================================================// |