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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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136 lines
5.2 KiB
C
136 lines
5.2 KiB
C
/*
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* GStreamer QuickTime codec mapping
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* Copyright <2006, 2007> Fluendo <gstreamer@fluendo.com>
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* Copyright <2006, 2007> Pioneers of the Inevitable <songbird@songbirdnest.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Alternatively, the contents of this file may be used under the
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* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
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* which case the following provisions apply instead of the ones
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* mentioned above:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef G_OS_WIN32
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#include <ImageCodec.h>
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#else
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#include <QuickTime/ImageCodec.h>
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#endif
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#include <gst/gst.h>
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#include "qtwrapper.h"
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#ifndef __QTUTILS_H__
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#define __QTUTILS_H__
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#define QT_UINT32(a) (GST_READ_UINT32_BE(a))
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#define QT_UINT24(a) (GST_READ_UINT32_BE(a) >> 8)
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#define QT_UINT16(a) (GST_READ_UINT16_BE(a))
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#define QT_UINT8(a) (GST_READ_UINT8(a))
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#define QT_FP32(a) ((GST_READ_UINT32_BE(a))/65536.0)
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#define QT_FP16(a) ((GST_READ_UINT16_BE(a))/256.0)
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#define QT_FOURCC(a) (GST_READ_UINT32_LE(a))
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#define QT_UINT64(a) ((((guint64)QT_UINT32(a))<<32)|QT_UINT32(((guint8 *)a)+4))
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#define QT_FOURCC_ARGS(fourcc) \
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((gchar) (((fourcc)>>24)&0xff)), \
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((gchar) (((fourcc)>>16)&0xff)), \
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((gchar) (((fourcc)>>8 )&0xff)), \
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((gchar) ((fourcc) &0xff))
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#define QT_WRITE_UINT8(data, num) GST_WRITE_UINT8(data, num)
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#define QT_MAKE_FOURCC_BE(a,b,c,d) (guint32)((a)|(b)<<8|(c)<<16|(d)<<24)
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#define QT_MAKE_FOURCC_LE(a,b,c,d) QT_MAKE_FOURCC_BE(d,c,b,a)
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#define _QT_PUT(__data, __idx, __size, __shift, __num) \
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(((guint8 *) (__data))[__idx] = (((guint##__size) __num) >> __shift) & 0xff)
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/* endianness-dependent macros */
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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#define QT_MAKE_FOURCC(a,b,c,d) QT_MAKE_FOURCC_LE(a,b,c,d)
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#define QT_WRITE_UINT16(data, num) GST_WRITE_UINT16_LE(data, num)
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#define QT_WRITE_UINT24(data, num) do { \
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_QT_PUT (data, 0, 32, 0, num); \
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_QT_PUT (data, 1, 32, 8, num); \
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_QT_PUT (data, 2, 32, 16, num); \
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} while (0)
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#define QT_WRITE_UINT32(data, num) GST_WRITE_UINT32_LE(data, num)
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#define QT_READ_UINT16(data) GST_READ_UINT16_LE(data)
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#define QT_READ_UINT32(data) GST_READ_UINT32_LE(data)
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#else
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#define QT_MAKE_FOURCC(a,b,c,d) QT_MAKE_FOURCC_BE(a,b,c,d)
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#define QT_WRITE_UINT16(data, num) GST_WRITE_UINT16_BE(data, num)
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#define QT_WRITE_UINT24(data, num) do { \
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_QT_PUT (data, 0, 32, 16, num); \
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_QT_PUT (data, 1, 32, 8, num); \
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_QT_PUT (data, 2, 32, 0, num); \
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} while (0)
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#define QT_WRITE_UINT32(data, num) GST_WRITE_UINT32_BE(data, num)
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#define QT_READ_UINT16(data) GST_READ_UINT16_BE(data)
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#define QT_READ_UINT32(data) GST_READ_UINT32_BE(data)
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#endif
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/*
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* get_name_info_from_component:
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*
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* Fills name and info with the name and description from a Component
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*/
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gboolean
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get_name_info_from_component (Component component, ComponentDescription * desc,
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gchar ** name, gchar ** info);
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gboolean get_output_info_from_component (Component component);
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void dump_image_description (ImageDescription * desc);
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void dump_codec_decompress_params (CodecDecompressParams * params);
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guint32 destination_pixel_types_to_fourcc (OSType ** types);
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void
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addSInt32ToDictionary (CFMutableDictionaryRef dictionary, CFStringRef key,
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SInt32 numberSInt32);
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void dump_cvpixel_buffer (CVPixelBufferRef pixbuf);
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void dump_avcc_atom (guint8 * atom);
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AudioBufferList *AllocateAudioBufferList(UInt32 numChannels, UInt32 size);
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void DestroyAudioBufferList(AudioBufferList* list);
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#endif /* __QTUTILS_H__ */
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