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blender-archive/source/blender/python/intern/bpy_app_ffmpeg.c

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C

/*
* 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 02110-1301, USA.
*/
/** \file
* \ingroup pythonintern
*/
#include "BLI_utildefines.h"
#include <Python.h>
#include "bpy_app_ffmpeg.h"
#include "../generic/py_capi_utils.h"
#ifdef WITH_FFMPEG
# include <libavcodec/avcodec.h>
# include <libavdevice/avdevice.h>
# include <libavformat/avformat.h>
# include <libavutil/avutil.h>
# include <libswscale/swscale.h>
#endif
static PyTypeObject BlenderAppFFmpegType;
#define DEF_FFMPEG_LIB_VERSION(lib) \
{(#lib "_version"), ("The " #lib " version as a tuple of 3 numbers")}, \
{ \
(#lib "_version_string"), ("The " #lib " version formatted as a string") \
}
static PyStructSequence_Field app_ffmpeg_info_fields[] = {
{"supported", "Boolean, True when Blender is built with FFmpeg support"},
DEF_FFMPEG_LIB_VERSION(avcodec),
DEF_FFMPEG_LIB_VERSION(avdevice),
DEF_FFMPEG_LIB_VERSION(avformat),
DEF_FFMPEG_LIB_VERSION(avutil),
DEF_FFMPEG_LIB_VERSION(swscale),
{NULL},
};
#undef DEF_FFMPEG_LIB_VERSION
static PyStructSequence_Desc app_ffmpeg_info_desc = {
"bpy.app.ffmpeg", /* name */
"This module contains information about FFmpeg blender is linked against", /* doc */
app_ffmpeg_info_fields, /* fields */
ARRAY_SIZE(app_ffmpeg_info_fields) - 1,
};
static PyObject *make_ffmpeg_info(void)
{
PyObject *ffmpeg_info;
int pos = 0;
#ifdef WITH_FFMPEG
int curversion;
#endif
ffmpeg_info = PyStructSequence_New(&BlenderAppFFmpegType);
if (ffmpeg_info == NULL) {
return NULL;
}
#if 0 /* UNUSED */
# define SetIntItem(flag) PyStructSequence_SET_ITEM(ffmpeg_info, pos++, PyLong_FromLong(flag))
#endif
#ifndef WITH_FFMPEG
# define SetStrItem(str) PyStructSequence_SET_ITEM(ffmpeg_info, pos++, PyUnicode_FromString(str))
#endif
#define SetObjItem(obj) PyStructSequence_SET_ITEM(ffmpeg_info, pos++, obj)
#ifdef WITH_FFMPEG
# define FFMPEG_LIB_VERSION(lib) \
{ \
curversion = lib##_version(); \
SetObjItem( \
PyC_Tuple_Pack_I32(curversion >> 16, (curversion >> 8) % 256, curversion % 256)); \
SetObjItem(PyUnicode_FromFormat( \
"%2d, %2d, %2d", curversion >> 16, (curversion >> 8) % 256, curversion % 256)); \
} \
(void)0
#else
# define FFMPEG_LIB_VERSION(lib) \
{ \
SetStrItem("Unknown"); \
SetStrItem("Unknown"); \
} \
(void)0
#endif
#ifdef WITH_FFMPEG
SetObjItem(PyBool_FromLong(1));
#else
SetObjItem(PyBool_FromLong(0));
#endif
FFMPEG_LIB_VERSION(avcodec);
FFMPEG_LIB_VERSION(avdevice);
FFMPEG_LIB_VERSION(avformat);
FFMPEG_LIB_VERSION(avutil);
FFMPEG_LIB_VERSION(swscale);
#undef FFMPEG_LIB_VERSION
if (UNLIKELY(PyErr_Occurred())) {
Py_DECREF(ffmpeg_info);
return NULL;
}
// #undef SetIntItem
#undef SetStrItem
#undef SetObjItem
return ffmpeg_info;
}
PyObject *BPY_app_ffmpeg_struct(void)
{
PyObject *ret;
PyStructSequence_InitType(&BlenderAppFFmpegType, &app_ffmpeg_info_desc);
ret = make_ffmpeg_info();
/* prevent user from creating new instances */
BlenderAppFFmpegType.tp_init = NULL;
BlenderAppFFmpegType.tp_new = NULL;
BlenderAppFFmpegType.tp_hash = (hashfunc)
_Py_HashPointer; /* without this we can't do set(sys.modules) T29635. */
return ret;
}