Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
4 changed files
with
302 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,157 @@ | ||
| /***************************************************************************** | ||
| * avs.c: avisynth input | ||
| ***************************************************************************** | ||
| * Copyright (C) 2020 Xinyue Lu | ||
| * | ||
| * Authors: Xinyue Lu <i@7086.in> | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation; either version 2 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program 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 General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program; if not, write to the Free Software | ||
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. | ||
| *****************************************************************************/ | ||
|
|
||
| #include "avs.h" | ||
|
|
||
| #define FAIL_IF_ERROR( cond, ... )\ | ||
| if( cond )\ | ||
| {\ | ||
| general_log( NULL, "avs+", X265_LOG_ERROR, __VA_ARGS__ );\ | ||
| b_fail = true;\ | ||
| return;\ | ||
| } | ||
|
|
||
| using namespace X265_NS; | ||
|
|
||
| void AVSInput::load_avs() | ||
| { | ||
| avs_open(); | ||
| if (!h->library) | ||
| return; | ||
| LOAD_AVS_FUNC(avs_clip_get_error); | ||
| LOAD_AVS_FUNC(avs_create_script_environment); | ||
| LOAD_AVS_FUNC(avs_delete_script_environment); | ||
| LOAD_AVS_FUNC(avs_get_frame); | ||
| LOAD_AVS_FUNC(avs_get_version); | ||
| LOAD_AVS_FUNC(avs_get_video_info); | ||
| LOAD_AVS_FUNC(avs_function_exists); | ||
| LOAD_AVS_FUNC(avs_invoke); | ||
| LOAD_AVS_FUNC(avs_release_clip); | ||
| LOAD_AVS_FUNC(avs_release_value); | ||
| LOAD_AVS_FUNC(avs_release_video_frame); | ||
| LOAD_AVS_FUNC(avs_take_clip); | ||
|
|
||
| LOAD_AVS_FUNC(avs_is_y8); | ||
| LOAD_AVS_FUNC(avs_is_420); | ||
| LOAD_AVS_FUNC(avs_is_422); | ||
| LOAD_AVS_FUNC(avs_is_444); | ||
| LOAD_AVS_FUNC(avs_bits_per_component); | ||
| h->env = h->func.avs_create_script_environment(AVS_INTERFACE_26); | ||
| return; | ||
| fail: | ||
| avs_close(); | ||
| } | ||
|
|
||
| void AVSInput::info_avs() | ||
| { | ||
| if (!h->func.avs_function_exists(h->env, "VersionString")) | ||
| return; | ||
| AVS_Value ver = h->func.avs_invoke(h->env, "VersionString", avs_new_value_array(NULL, 0), NULL); | ||
| if(avs_is_error(ver)) | ||
| return; | ||
| if(!avs_is_string(ver)) | ||
| return; | ||
| const char *version = avs_as_string(ver); | ||
| h->func.avs_release_value(ver); | ||
| general_log(NULL, "avs+", X265_LOG_INFO, "%s\n", version); | ||
| } | ||
|
|
||
| void AVSInput::openfile(InputFileInfo& info) | ||
| { | ||
| AVS_Value res = h->func.avs_invoke(h->env, "Import", avs_new_value_string(info.filename), NULL); | ||
| FAIL_IF_ERROR(avs_is_error(res), "Error loading file: %s\n", avs_as_string(res)); | ||
| FAIL_IF_ERROR(!avs_is_clip(res), "File didn't return a video clip\n"); | ||
| h->clip = h->func.avs_take_clip(res, h->env); | ||
| const AVS_VideoInfo* vi = h->func.avs_get_video_info(h->clip); | ||
| info.width = vi->width; | ||
| info.height = vi->height; | ||
| info.fpsNum = vi->fps_numerator; | ||
| info.fpsDenom = vi->fps_denominator; | ||
| info.frameCount = vi->num_frames; | ||
| info.depth = h->func.avs_bits_per_component(vi); | ||
| h->plane_count = 3; | ||
| if(h->func.avs_is_y8(vi)) | ||
| { | ||
| h->plane_count = 1; | ||
| info.csp = X265_CSP_I400; | ||
| general_log(NULL, "avs+", X265_LOG_INFO, "Video colorspace: YUV400 (Y8)\n"); | ||
| } | ||
| else if(h->func.avs_is_420(vi)) | ||
| { | ||
| info.csp = X265_CSP_I420; | ||
| general_log(NULL, "avs+", X265_LOG_INFO, "Video colorspace: YUV420 (YV12)\n"); | ||
| } | ||
| else if(h->func.avs_is_422(vi)) | ||
| { | ||
| info.csp = X265_CSP_I422; | ||
| general_log(NULL, "avs+", X265_LOG_INFO, "Video colorspace: YUV422 (YV16)\n"); | ||
| } | ||
| else if(h->func.avs_is_444(vi)) | ||
| { | ||
| info.csp = X265_CSP_I444; | ||
| general_log(NULL, "avs+", X265_LOG_INFO, "Video colorspace: YUV444 (YV24)\n"); | ||
| } | ||
| else | ||
| { | ||
| FAIL_IF_ERROR(1, "Video colorspace is not supported\n"); | ||
| } | ||
| general_log(NULL, "avs+", X265_LOG_INFO, "Video depth: %d\n", info.depth); | ||
| general_log(NULL, "avs+", X265_LOG_INFO, "Video resolution: %dx%d\n", info.width, info.height); | ||
| general_log(NULL, "avs+", X265_LOG_INFO, "Video framerate: %d/%d\n", info.fpsNum, info.fpsDenom); | ||
| general_log(NULL, "avs+", X265_LOG_INFO, "Video framecount: %d\n", info.frameCount); | ||
| } | ||
|
|
||
| bool AVSInput::readPicture(x265_picture& pic) | ||
| { | ||
| AVS_VideoFrame *frm = h->func.avs_get_frame(h->clip, h->next_frame); | ||
| const char *err = h->func.avs_clip_get_error(h->clip); | ||
| if (err) | ||
| { | ||
| general_log(NULL, "avs+", X265_LOG_ERROR, "%s occurred while reading frame %d\n", err, h->next_frame); | ||
| b_fail = true; | ||
| return false; | ||
| } | ||
| pic.planes[0] = frm->vfb->data + frm->offset; | ||
| pic.stride[0] = frm->pitch; | ||
| if (h->plane_count > 1) | ||
| { | ||
| pic.planes[1] = frm->vfb->data + frm->offsetU; | ||
| pic.stride[1] = frm->pitchUV; | ||
| pic.planes[2] = frm->vfb->data + frm->offsetV; | ||
| pic.stride[2] = frm->pitchUV; | ||
| } | ||
| pic.colorSpace = _info.csp; | ||
| pic.bitDepth = _info.depth; | ||
|
|
||
| h->next_frame++; | ||
| return true; | ||
| } | ||
|
|
||
| void AVSInput::release() | ||
| { | ||
| if (h->clip) | ||
| h->func.avs_release_clip(h->clip); | ||
| if (h->env) | ||
| h->func.avs_delete_script_environment(h->env); | ||
| if (h->library) | ||
| avs_close(); | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| #ifndef X265_AVS_H | ||
| #define X265_AVS_H | ||
|
|
||
| #include "input.h" | ||
| #include <avisynth/avisynth_c.h> | ||
|
|
||
| #if _WIN32 | ||
| #include <windows.h> | ||
| typedef HMODULE lib_t; | ||
| typedef FARPROC func_t; | ||
| #else | ||
| #include <dlfcn.h> | ||
| typedef void* lib_t; | ||
| typedef void* func_t; | ||
| #define __stdcall | ||
| #endif | ||
|
|
||
| #define QUEUE_SIZE 5 | ||
| #define AVS_INTERFACE_26 6 | ||
|
|
||
| #define LOAD_AVS_FUNC(name) \ | ||
| {\ | ||
| h->func.name = reinterpret_cast<decltype(h->func.name)>((void*)avs_address(#name));\ | ||
| if (!h->func.name) goto fail;\ | ||
| } | ||
|
|
||
| namespace X265_NS { | ||
| // x265 private namespace | ||
|
|
||
| typedef struct | ||
| { | ||
| AVS_Clip *clip; | ||
| AVS_ScriptEnvironment *env; | ||
| lib_t library; | ||
| /* declare function pointers for the utilized functions to be loaded without __declspec, | ||
| as the avisynth header does not compensate for this type of usage */ | ||
| struct | ||
| { | ||
| const char *(__stdcall *avs_clip_get_error)( AVS_Clip *clip ); | ||
| AVS_ScriptEnvironment *(__stdcall *avs_create_script_environment)( int version ); | ||
| void (__stdcall *avs_delete_script_environment)( AVS_ScriptEnvironment *env ); | ||
| AVS_VideoFrame *(__stdcall *avs_get_frame)( AVS_Clip *clip, int n ); | ||
| int (__stdcall *avs_get_version)( AVS_Clip *clip ); | ||
| const AVS_VideoInfo *(__stdcall *avs_get_video_info)( AVS_Clip *clip ); | ||
| int (__stdcall *avs_function_exists)( AVS_ScriptEnvironment *env, const char *name ); | ||
| AVS_Value (__stdcall *avs_invoke)( AVS_ScriptEnvironment *env, const char *name, | ||
| AVS_Value args, const char **arg_names ); | ||
| void (__stdcall *avs_release_clip)( AVS_Clip *clip ); | ||
| void (__stdcall *avs_release_value)( AVS_Value value ); | ||
| void (__stdcall *avs_release_video_frame)( AVS_VideoFrame *frame ); | ||
| AVS_Clip *(__stdcall *avs_take_clip)( AVS_Value, AVS_ScriptEnvironment *env ); | ||
| int (__stdcall *avs_is_y8)(const AVS_VideoInfo * p); | ||
| int (__stdcall *avs_is_420)(const AVS_VideoInfo * p); | ||
| int (__stdcall *avs_is_422)(const AVS_VideoInfo * p); | ||
| int (__stdcall *avs_is_444)(const AVS_VideoInfo * p); | ||
| int (__stdcall *avs_bits_per_component)(const AVS_VideoInfo * p); | ||
| } func; | ||
| int next_frame; | ||
| int plane_count; | ||
| } avs_hnd_t; | ||
|
|
||
| class AVSInput : public InputFile | ||
| { | ||
| protected: | ||
| bool b_fail; | ||
| bool b_eof; | ||
| avs_hnd_t handle; | ||
| avs_hnd_t* h; | ||
| InputFileInfo _info; | ||
| void load_avs(); | ||
| void info_avs(); | ||
| void openfile(InputFileInfo& info); | ||
| #if _WIN32 | ||
| void avs_open() { h->library = LoadLibraryW(L"avisynth"); } | ||
| void avs_close() { FreeLibrary(h->library); } | ||
| func_t avs_address(LPCSTR func) { return GetProcAddress(h->library, func); } | ||
| #else | ||
| void avs_open() { h->library = dlopen("libavisynth.so", RTLD_NOW); } | ||
| void avs_close() { dlclose(h->library); } | ||
| func_t avs_address(const char * func) { return dlsym(h->library, func); } | ||
| #endif | ||
|
|
||
| public: | ||
| AVSInput(InputFileInfo& info) | ||
| { | ||
| b_fail = false; | ||
| b_eof = false; | ||
| h = &handle; | ||
| memset(h, 0, sizeof(handle)); | ||
| load_avs(); | ||
| info_avs(); | ||
| if (!h->library) | ||
| { | ||
| b_fail = true; | ||
| return; | ||
| } | ||
| openfile(info); | ||
| _info = info; | ||
| } | ||
| ~AVSInput() {} | ||
| void release(); | ||
| bool isEof() const | ||
| { | ||
| return h->next_frame >= _info.frameCount; | ||
| } | ||
| bool isFail() | ||
| { | ||
| return b_fail; | ||
| } | ||
| void startReader() {} | ||
| bool readPicture(x265_picture&); | ||
| const char *getName() const | ||
| { | ||
| return "avs+"; | ||
| } | ||
|
|
||
| int getWidth() const { return _info.width; } | ||
|
|
||
| int getHeight() const { return _info.height; } | ||
| }; | ||
| } | ||
|
|
||
| #endif // ifndef X265_AVS_H |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters