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Diffstat (limited to 'sys/qtwrapper/qtutils.h')
| -rw-r--r-- | sys/qtwrapper/qtutils.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/sys/qtwrapper/qtutils.h b/sys/qtwrapper/qtutils.h new file mode 100644 index 00000000..cb550c85 --- /dev/null +++ b/sys/qtwrapper/qtutils.h @@ -0,0 +1,131 @@ +/* + * GStreamer QuickTime codec mapping + * Copyright <2006, 2007> Fluendo <gstreamer@fluendo.com> + * Copyright <2006, 2007> Pioneers of the Inevitable <songbird@songbirdnest.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Alternatively, the contents of this file may be used under the + * GNU Lesser General Public License Version 2.1 (the "LGPL"), in + * which case the following provisions apply instead of the ones + * mentioned above: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include <QuickTime/Movies.h> +#include <QuickTime/ImageCodec.h> +#include <gst/gst.h> +#include "qtwrapper.h" + +#ifndef __QTUTILS_H__ +#define __QTUTILS_H__ + +#define QT_UINT32(a) (GST_READ_UINT32_BE(a)) +#define QT_UINT24(a) (GST_READ_UINT32_BE(a) >> 8) +#define QT_UINT16(a) (GST_READ_UINT16_BE(a)) +#define QT_UINT8(a) (GST_READ_UINT8(a)) +#define QT_FP32(a) ((GST_READ_UINT32_BE(a))/65536.0) +#define QT_FP16(a) ((GST_READ_UINT16_BE(a))/256.0) +#define QT_FOURCC(a) (GST_READ_UINT32_LE(a)) +#define QT_UINT64(a) ((((guint64)QT_UINT32(a))<<32)|QT_UINT32(((guint8 *)a)+4)) +#define QT_FOURCC_ARGS(fourcc) \ + ((gchar) (((fourcc)>>24)&0xff)), \ + ((gchar) (((fourcc)>>16)&0xff)), \ + ((gchar) (((fourcc)>>8 )&0xff)), \ + ((gchar) ((fourcc) &0xff)) + +#define QT_WRITE_UINT8(data, num) GST_WRITE_UINT8(data, num) + +#define QT_MAKE_FOURCC_BE(a,b,c,d) (guint32)((a)|(b)<<8|(c)<<16|(d)<<24) +#define QT_MAKE_FOURCC_LE(a,b,c,d) QT_MAKE_FOURCC_BE(d,c,b,a) + +#define _QT_PUT(__data, __idx, __size, __shift, __num) \ + (((guint8 *) (__data))[__idx] = (((guint##__size) __num) >> __shift) & 0xff) + +/* endianness-dependent macros */ +#if G_BYTE_ORDER == G_LITTLE_ENDIAN +#define QT_MAKE_FOURCC(a,b,c,d) QT_MAKE_FOURCC_LE(a,b,c,d) +#define QT_WRITE_UINT16(data, num) GST_WRITE_UINT16_LE(data, num) +#define QT_WRITE_UINT24(data, num) do { \ + _QT_PUT (data, 0, 32, 0, num); \ + _QT_PUT (data, 1, 32, 8, num); \ + _QT_PUT (data, 2, 32, 16, num); \ + } while (0) +#define QT_WRITE_UINT32(data, num) GST_WRITE_UINT32_LE(data, num) +#define QT_READ_UINT16(data) GST_READ_UINT16_LE(data) +#define QT_READ_UINT32(data) GST_READ_UINT32_LE(data) +#else +#define QT_MAKE_FOURCC(a,b,c,d) QT_MAKE_FOURCC_BE(a,b,c,d) +#define QT_WRITE_UINT16(data, num) GST_WRITE_UINT16_BE(data, num) +#define QT_WRITE_UINT24(data, num) do { \ + _QT_PUT (data, 0, 32, 16, num); \ + _QT_PUT (data, 1, 32, 8, num); \ + _QT_PUT (data, 2, 32, 0, num); \ + } while (0) +#define QT_WRITE_UINT32(data, num) GST_WRITE_UINT32_BE(data, num) +#define QT_READ_UINT16(data) GST_READ_UINT16_BE(data) +#define QT_READ_UINT32(data) GST_READ_UINT32_BE(data) +#endif + + +/* + * get_name_info_from_component: + * + * Fills name and info with the name and description from a Component + */ + +gboolean +get_name_info_from_component (Component component, ComponentDescription * desc, + gchar ** name, gchar ** info); + + + +gboolean get_output_info_from_component (Component component); + + + +void dump_image_description (ImageDescription * desc); +void dump_codec_decompress_params (CodecDecompressParams * params); + +guint32 destination_pixel_types_to_fourcc (OSType ** types); +void +addSInt32ToDictionary (CFMutableDictionaryRef dictionary, CFStringRef key, + SInt32 numberSInt32); + +void dump_cvpixel_buffer (CVPixelBufferRef pixbuf); + +AudioBufferList *AllocateAudioBufferList(UInt32 numChannels, UInt32 size); + +void DestroyAudioBufferList(AudioBufferList* list); + +#endif /* __QTUTILS_H__ */ |