2 * GStreamer QuickTime codec mapping
3 * Copyright <2006, 2007> Fluendo <gstreamer@fluendo.com>
4 * Copyright <2006, 2007> Pioneers of the Inevitable <songbird@songbirdnest.com>
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
24 * Alternatively, the contents of this file may be used under the
25 * GNU Lesser General Public License Version 2.1 (the "LGPL"), in
26 * which case the following provisions apply instead of the ones
29 * This library is free software; you can redistribute it and/or
30 * modify it under the terms of the GNU Library General Public
31 * License as published by the Free Software Foundation; either
32 * version 2 of the License, or (at your option) any later version.
34 * This library is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
37 * Library General Public License for more details.
39 * You should have received a copy of the GNU Library General Public
40 * License along with this library; if not, write to the
41 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
42 * Boston, MA 02111-1307, USA.
46 #include <ImageCodec.h>
48 #include <QuickTime/ImageCodec.h>
51 #include "qtwrapper.h"
56 #define QT_UINT32(a) (GST_READ_UINT32_BE(a))
57 #define QT_UINT24(a) (GST_READ_UINT32_BE(a) >> 8)
58 #define QT_UINT16(a) (GST_READ_UINT16_BE(a))
59 #define QT_UINT8(a) (GST_READ_UINT8(a))
60 #define QT_FP32(a) ((GST_READ_UINT32_BE(a))/65536.0)
61 #define QT_FP16(a) ((GST_READ_UINT16_BE(a))/256.0)
62 #define QT_FOURCC(a) (GST_READ_UINT32_LE(a))
63 #define QT_UINT64(a) ((((guint64)QT_UINT32(a))<<32)|QT_UINT32(((guint8 *)a)+4))
64 #define QT_FOURCC_ARGS(fourcc) \
65 ((gchar) (((fourcc)>>24)&0xff)), \
66 ((gchar) (((fourcc)>>16)&0xff)), \
67 ((gchar) (((fourcc)>>8 )&0xff)), \
68 ((gchar) ((fourcc) &0xff))
70 #define QT_WRITE_UINT8(data, num) GST_WRITE_UINT8(data, num)
72 #define QT_MAKE_FOURCC_BE(a,b,c,d) (guint32)((a)|(b)<<8|(c)<<16|(d)<<24)
73 #define QT_MAKE_FOURCC_LE(a,b,c,d) QT_MAKE_FOURCC_BE(d,c,b,a)
75 #define _QT_PUT(__data, __idx, __size, __shift, __num) \
76 (((guint8 *) (__data))[__idx] = (((guint##__size) __num) >> __shift) & 0xff)
78 /* endianness-dependent macros */
79 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
80 #define QT_MAKE_FOURCC(a,b,c,d) QT_MAKE_FOURCC_LE(a,b,c,d)
81 #define QT_WRITE_UINT16(data, num) GST_WRITE_UINT16_LE(data, num)
82 #define QT_WRITE_UINT24(data, num) do { \
83 _QT_PUT (data, 0, 32, 0, num); \
84 _QT_PUT (data, 1, 32, 8, num); \
85 _QT_PUT (data, 2, 32, 16, num); \
87 #define QT_WRITE_UINT32(data, num) GST_WRITE_UINT32_LE(data, num)
88 #define QT_READ_UINT16(data) GST_READ_UINT16_LE(data)
89 #define QT_READ_UINT32(data) GST_READ_UINT32_LE(data)
91 #define QT_MAKE_FOURCC(a,b,c,d) QT_MAKE_FOURCC_BE(a,b,c,d)
92 #define QT_WRITE_UINT16(data, num) GST_WRITE_UINT16_BE(data, num)
93 #define QT_WRITE_UINT24(data, num) do { \
94 _QT_PUT (data, 0, 32, 16, num); \
95 _QT_PUT (data, 1, 32, 8, num); \
96 _QT_PUT (data, 2, 32, 0, num); \
98 #define QT_WRITE_UINT32(data, num) GST_WRITE_UINT32_BE(data, num)
99 #define QT_READ_UINT16(data) GST_READ_UINT16_BE(data)
100 #define QT_READ_UINT32(data) GST_READ_UINT32_BE(data)
105 * get_name_info_from_component:
107 * Fills name and info with the name and description from a Component
111 get_name_info_from_component (Component component, ComponentDescription * desc,
112 gchar ** name, gchar ** info);
116 gboolean get_output_info_from_component (Component component);
120 void dump_image_description (ImageDescription * desc);
121 void dump_codec_decompress_params (CodecDecompressParams * params);
123 guint32 destination_pixel_types_to_fourcc (OSType ** types);
125 addSInt32ToDictionary (CFMutableDictionaryRef dictionary, CFStringRef key,
126 SInt32 numberSInt32);
128 void dump_cvpixel_buffer (CVPixelBufferRef pixbuf);
130 void dump_avcc_atom (guint8 * atom);
132 AudioBufferList *AllocateAudioBufferList(UInt32 numChannels, UInt32 size);
134 void DestroyAudioBufferList(AudioBufferList* list);
136 #endif /* __QTUTILS_H__ */