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/***************************************************************************** |
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* |
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* Avi Import Component QuickTime Component Interface |
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* |
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* Copyright(C) 2006 Christoph Naegeli <chn1@mac.com> |
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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 Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 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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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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* |
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****************************************************************************/ |
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|
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#include "ff_MovieImportVersion.h" |
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| 24 |
#include "avformat.h" |
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| 25 |
#include "ff_private.h" |
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| 26 |
#include "allformats.h" |
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| 27 |
#include "allcodecs.h" |
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| 28 |
#include "Codecprintf.h" |
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| 29 |
#include "riff.h" |
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| 30 |
#include "SubImport.h" |
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| 31 |
|
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| 32 |
/* This one is a little big in ffmpeg and private anyway */ |
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| 33 |
#define PROBE_BUF_SIZE 64 |
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|
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| 35 |
#include <CoreServices/CoreServices.h> |
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| 36 |
#include <QuickTime/QuickTime.h> |
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| 37 |
|
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| 38 |
#define MOVIEIMPORT_BASENAME() FFAvi_MovieImport |
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| 39 |
#define MOVIEIMPORT_GLOBALS() ff_global_ptr storage |
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| 40 |
|
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| 41 |
#define CALLCOMPONENT_BASENAME() MOVIEIMPORT_BASENAME() |
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| 42 |
#define CALLCOMPONENT_GLOBALS() MOVIEIMPORT_GLOBALS() |
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| 43 |
|
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| 44 |
#define COMPONENT_DISPATCH_FILE "ff_MovieImportDispatch.h" |
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| 45 |
#define COMPONENT_UPP_SELECT_ROOT() MovieImport |
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| 46 |
|
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| 47 |
#include <CoreServices/Components.k.h> |
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| 48 |
#include <QuickTime/QuickTimeComponents.k.h> |
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| 49 |
#include <QuickTime/ComponentDispatchHelper.c> |
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| 50 |
|
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| 51 |
#pragma mark - |
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| 52 |
|
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| 53 |
void initLib() |
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| 54 |
{ |
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| 55 |
/* This one is used because Global variables are initialized ONE time |
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| 56 |
* until the application quits. Thus, we have to make sure we're initialize |
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| 57 |
* the libavformat only once or we get an endlos loop when registering the same |
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| 58 |
* element twice!! */ |
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| 59 |
static Boolean inited = FALSE; |
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| 60 |
|
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| 61 |
/* Register the Parser of ffmpeg, needed because we do no proper setup of the libraries */ |
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| 62 |
if(!inited) { |
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| 63 |
inited = TRUE; |
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| 64 |
av_register_input_format(&avi_demuxer); |
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| 65 |
av_register_input_format(&flv_demuxer); |
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| 66 |
register_parsers(); |
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| 67 |
|
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| 68 |
avcodec_init(); |
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| 69 |
register_avcodec(&msmpeg4v1_decoder); |
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| 70 |
register_avcodec(&msmpeg4v2_decoder); |
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| 71 |
register_avcodec(&msmpeg4v3_decoder); |
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| 72 |
register_avcodec(&mpeg4_decoder); |
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| 73 |
register_avcodec(&h264_decoder); |
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| 74 |
register_avcodec(&flv_decoder); |
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| 75 |
register_avcodec(&flashsv_decoder); |
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| 76 |
register_avcodec(&vp3_decoder); |
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| 77 |
register_avcodec(&vp6_decoder); |
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| 78 |
register_avcodec(&vp6f_decoder); |
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| 79 |
register_avcodec(&h263i_decoder); |
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| 80 |
register_avcodec(&huffyuv_decoder); |
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| 81 |
register_avcodec(&ffvhuff_decoder); |
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| 82 |
register_avcodec(&mpeg1video_decoder); |
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| 83 |
register_avcodec(&mpeg2video_decoder); |
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| 84 |
register_avcodec(&fraps_decoder); |
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| 85 |
|
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| 86 |
register_avcodec(&wmav1_decoder); |
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| 87 |
register_avcodec(&wmav2_decoder); |
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| 88 |
register_avcodec(&adpcm_swf_decoder); |
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| 89 |
register_avcodec(&vorbis_decoder); |
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| 90 |
register_avcodec(&mp2_decoder); |
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| 91 |
|
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av_log_set_callback(FFMpegCodecprintf); |
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} |
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| 94 |
} |
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|
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/************************************ |
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| 97 |
** Base Component Manager Routines ** |
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| 98 |
*************************************/ |
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| 99 |
|
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| 100 |
ComponentResult FFAvi_MovieImportOpen(ff_global_ptr storage, ComponentInstance self) |
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| 101 |
{ |
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ComponentResult result; |
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| 103 |
ComponentDescription descout; |
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| 104 |
|
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| 105 |
/* Check for Mac OS 10.4 & QT 7 */ |
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| 106 |
result = check_system(); |
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| 107 |
require_noerr(result,bail); |
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| 108 |
|
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GetComponentInfo((Component)self, &descout, 0, 0, 0); |
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| 110 |
|
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| 111 |
storage = malloc(sizeof(ff_global_context)); |
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| 112 |
if(!storage) goto bail; |
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| 113 |
|
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| 114 |
memset(storage, 0, sizeof(ff_global_context)); |
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| 115 |
storage->ci = self; |
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| 116 |
|
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| 117 |
SetComponentInstanceStorage(storage->ci, (Handle)storage); |
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| 118 |
|
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| 119 |
storage->componentType = descout.componentSubType; |
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| 120 |
storage->movieLoadState = kMovieLoadStateLoading; |
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bail: |
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return result; |
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| 123 |
} /* FFAvi_MovieImportOpen() */ |
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| 124 |
|
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| 125 |
ComponentResult FFAvi_MovieImportClose(ff_global_ptr storage, ComponentInstance self) |
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| 126 |
{ |
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/* Free all global storage */ |
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| 128 |
if(storage->imgHdl) |
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| 129 |
DisposeHandle((Handle)storage->imgHdl); |
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| 130 |
if(storage->sndHdl) |
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| 131 |
DisposeHandle((Handle)storage->sndHdl); |
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| 132 |
|
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| 133 |
if(storage->stream_map) |
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av_free(storage->stream_map); |
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| 135 |
|
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| 136 |
if(storage->format_context) |
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av_close_input_file(storage->format_context); |
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| 138 |
|
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| 139 |
int i; |
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| 140 |
for(i=0; i<MAX_STREAMS; i++) |
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| 141 |
{ |
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| 142 |
if(storage->firstFrames[i].data != NULL) |
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av_free_packet(storage->firstFrames + i); |
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| 144 |
} |
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| 145 |
|
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| 146 |
if(storage) |
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free(storage); |
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| 148 |
|
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return noErr; |
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| 150 |
} /* FFAvi_MovieImportClose() */ |
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| 151 |
|
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| 152 |
ComponentResult FFAvi_MovieImportVersion(ff_global_ptr storage) |
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| 153 |
{ |
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return kFFAviComponentVersion; |
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| 155 |
} /* FFAvi_MovieImportVersion() */ |
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| 156 |
|
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#pragma mark - |
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| 158 |
|
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| 159 |
/******************************** |
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| 160 |
** Configuration Stuff is here ** |
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| 161 |
*********************************/ |
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| 162 |
|
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| 163 |
ComponentResult FFAvi_MovieImportGetMIMETypeList(ff_global_ptr storage, QTAtomContainer *mimeInfo) |
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| 164 |
{ |
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| 165 |
ComponentResult err = noErr; |
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| 166 |
switch (storage->componentType) { |
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| 167 |
case 'VfW ': |
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| 168 |
case 'VFW ': |
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| 169 |
case 'AVI ': |
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| 170 |
err = GetComponentResource((Component)storage->ci, 'mime', kAVIthngResID, (Handle*)mimeInfo); |
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| 171 |
break; |
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| 172 |
case 'FLV ': |
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| 173 |
err = GetComponentResource((Component)storage->ci, 'mime', kFLVthngResID, (Handle*)mimeInfo); |
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break; |
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| 175 |
default: |
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| 176 |
err = GetComponentResource((Component)storage->ci, 'mime', kAVIthngResID, (Handle*)mimeInfo); |
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break; |
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| 178 |
} |
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| 179 |
return err; |
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| 180 |
} /* FFAvi_MovieImportGetMIMETypeList() */ |
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|
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| 182 |
ComponentResult FFAvi_MovieImportSetProgressProc(ff_global_ptr storage, MovieProgressUPP prog, long refcon) |
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| 183 |
{ |
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| 184 |
storage->prog = prog; |
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storage->refcon = refcon; |
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| 186 |
|
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| 187 |
if(!storage->prog) |
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storage->refcon = 0; |
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| 189 |
|
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return noErr; |
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| 191 |
} /* FFAvi_MovieImportSetProgressProc() */ |
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|
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ComponentResult FFAvi_MovieImportSetSampleDescription(ff_global_ptr storage, SampleDescriptionHandle desc, OSType media) |
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| 194 |
{ |
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| 195 |
ComponentResult result = noErr; |
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| 196 |
|
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| 197 |
switch(media) { |
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| 198 |
case VideoMediaType: |
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| 199 |
if(storage->imgHdl) /* already one stored */ |
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DisposeHandle((Handle)storage->imgHdl); |
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|
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| 202 |
storage->imgHdl = (ImageDescriptionHandle)desc; |
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| 203 |
if(storage->imgHdl) |
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result = HandToHand((Handle*)&storage->imgHdl); |
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break; |
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case SoundMediaType: |
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if(storage->sndHdl) |
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DisposeHandle((Handle)storage->sndHdl); |
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|
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storage->sndHdl = (SoundDescriptionHandle)desc; |
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| 211 |
if(storage->sndHdl) |
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result = HandToHand((Handle*)&storage->sndHdl); |
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| 213 |
break; |
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| 214 |
default: |
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| 215 |
break; |
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| 216 |
} |
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| 217 |
|
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| 218 |
return result; |
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| 219 |
} /* FFAvi_MovieImportSetSampleDescription() */ |
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| 220 |
|
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| 221 |
ComponentResult FFAvi_MovieImportGetDestinationMediaType(ff_global_ptr storage, OSType *mediaType) |
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| 222 |
{ |
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| 223 |
*mediaType = VideoMediaType; |
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| 224 |
return noErr; |
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| 225 |
} /* FFAvi_MovieImportGetDestinationMediaType() */ |
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| 226 |
|
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| 227 |
#pragma mark - |
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|
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| 229 |
/**************************** |
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| 230 |
** Import Stuff comes here ** |
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| 231 |
*****************************/ |
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| 232 |
|
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| 233 |
ComponentResult FFAvi_MovieImportValidate(ff_global_ptr storage, const FSSpec *theFile, Handle theData, Boolean *valid) |
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| 234 |
{ |
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| 235 |
ComponentResult result = noErr; |
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| 236 |
Handle dataRef = NULL; |
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OSType dataRefType; |
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| 238 |
|
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| 239 |
*valid = FALSE; |
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| 240 |
|
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| 241 |
result = QTNewDataReferenceFromFSSpec(theFile, 0, &dataRef, &dataRefType); |
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| 242 |
require_noerr(result,bail); |
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| 243 |
|
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| 244 |
result = MovieImportValidateDataRef(storage->ci, dataRef, dataRefType, (UInt8*)valid); |
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| 245 |
|
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| 246 |
bail: |
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| 247 |
if(dataRef) |
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| 248 |
DisposeHandle(dataRef); |
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| 249 |
|
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| 250 |
return result; |
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| 251 |
} /* FFAvi_MovieImportValidate() */ |
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| 252 |
|
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| 253 |
// this function is a small avi parser to get the video track's fourcc as |
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| 254 |
// fast as possible, so we can decide whether we can handle the necessary |
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| 255 |
// image description extensions for the format in ValidateDataRef() quickly |
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| 256 |
OSType get_avi_strf_fourcc(ByteIOContext *pb) |
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| 257 |
{ |
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| 258 |
OSType tag, subtag; |
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| 259 |
unsigned int size; |
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| 260 |
|
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| 261 |
if (get_be32(pb) != 'RIFF') |
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| 262 |
return 0; |
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| 263 |
|
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| 264 |
// file size |
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| 265 |
get_le32(pb); |
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| 266 |
|
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| 267 |
if (get_be32(pb) != 'AVI ') |
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| 268 |
return 0; |
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| 269 |
|
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| 270 |
while (!url_feof(pb)) { |
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| 271 |
tag = get_be32(pb); |
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| 272 |
size = get_le32(pb); |
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| 273 |
|
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| 274 |
if (tag == 'LIST') { |
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| 275 |
subtag = get_be32(pb); |
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| 276 |
|
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| 277 |
// only lists we care about: hdrl & strl, so skip the rest |
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| 278 |
if (subtag != 'hdrl' && subtag != 'strl') |
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| 279 |
url_fskip(pb, size - 4 + (size & 1)); |
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| 280 |
|
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| 281 |
} else if (tag == 'strf') { |
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| 282 |
// 16-byte offset to the fourcc |
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| 283 |
url_fskip(pb, 16); |
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| 284 |
return get_be32(pb); |
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| 285 |
} else if (tag == 'strh'){ |
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| 286 |
// 4-byte offset to the fourcc |
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| 287 |
url_fskip(pb, 4); |
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| 288 |
return get_be32(pb); |
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| 289 |
} else |
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| 290 |
url_fskip(pb, size + (size & 1)); |
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| 291 |
} |
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| 292 |
return 0; |
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| 293 |
} |
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| 294 |
|
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| 295 |
ComponentResult FFAvi_MovieImportValidateDataRef(ff_global_ptr storage, Handle dataRef, OSType dataRefType, UInt8 *valid) |
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| 296 |
{ |
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| 297 |
ComponentResult result = noErr; |
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| 298 |
DataHandler dataHandler = NULL; |
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| 299 |
uint8_t buf[PROBE_BUF_SIZE]; |
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| 300 |
AVProbeData *pd = (AVProbeData *)malloc(sizeof(AVProbeData)); |
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| 301 |
ByteIOContext byteContext; |
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| 302 |
|
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| 303 |
/* default */ |
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| 304 |
*valid = 0; |
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| 305 |
|
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| 306 |
/* Get a data handle and read a probe of data */ |
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| 307 |
result = OpenADataHandler(dataRef, dataRefType, NULL, 0, NULL, kDataHCanRead, &dataHandler); |
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| 308 |
if(result || !dataHandler) goto bail; |
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| 309 |
|
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| 310 |
pd->buf = buf; |
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| 311 |
pd->buf_size = PROBE_BUF_SIZE; |
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| 312 |
|
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| 313 |
result = DataHScheduleData(dataHandler, (Ptr)(pd->buf), 0, PROBE_BUF_SIZE, 0, NULL, NULL); |
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| 314 |
require_noerr(result,bail); |
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| 315 |
|
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| 316 |
initLib(); |
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| 317 |
storage->format = av_probe_input_format(pd, 1); |
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| 318 |
if(storage->format != NULL) { |
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| 319 |
*valid = 255; /* This means we can read the data */ |
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| 320 |
|
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| 321 |
/* we don't do MJPEG's Huffman tables right yet, and DV video seems to have |
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| 322 |
an aspect ratio coded in the bitstream that ffmpeg doesn't read, so let Apple's |
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| 323 |
AVI importer handle AVIs with these two video types */ |
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| 324 |
if (IS_AVI(storage->componentType)) { |
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| 325 |
/* Prepare the iocontext structure */ |
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| 326 |
memset(&byteContext, 0, sizeof(byteContext)); |
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| 327 |
result = url_open_dataref(&byteContext, dataRef, dataRefType, NULL, NULL, NULL); |
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| 328 |
require_noerr(result, bail); |
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| 329 |
|
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| 330 |
OSType fourcc = get_avi_strf_fourcc(&byteContext); |
|---|
| 331 |
|
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| 332 |
if (codec_get_bmp_id(BSWAP(fourcc)) == CODEC_ID_MJPEG || |
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| 333 |
codec_get_bmp_id(BSWAP(fourcc)) == CODEC_ID_DVVIDEO) |
|---|
| 334 |
*valid = 0; |
|---|
| 335 |
|
|---|
| 336 |
url_fclose(&byteContext); |
|---|
| 337 |
} |
|---|
| 338 |
} |
|---|
| 339 |
|
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| 340 |
bail: |
|---|
| 341 |
if(dataHandler) |
|---|
| 342 |
CloseComponent(dataHandler); |
|---|
| 343 |
free(pd); |
|---|
| 344 |
|
|---|
| 345 |
return result; |
|---|
| 346 |
} /* FFAvi_MovieImportValidateDataRef() */ |
|---|
| 347 |
|
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| 348 |
|
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| 349 |
ComponentResult FFAvi_MovieImportFile(ff_global_ptr storage, const FSSpec *theFile, Movie theMovie, Track targetTrack, |
|---|
| 350 |
Track *usedTrack, TimeValue atTime, TimeValue *addedDuration, long inFlags, long *outFlags) |
|---|
| 351 |
{ |
|---|
| 352 |
ComponentResult result; |
|---|
| 353 |
Handle dataRef = NULL; |
|---|
| 354 |
OSType dataRefType; |
|---|
| 355 |
FSRef theFileFSRef; |
|---|
| 356 |
|
|---|
| 357 |
*outFlags = 0; |
|---|
| 358 |
|
|---|
| 359 |
result = QTNewDataReferenceFromFSSpec(theFile, 0, &dataRef, &dataRefType); |
|---|
| 360 |
require_noerr(result,bail); |
|---|
| 361 |
|
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| 362 |
result = MovieImportDataRef(storage->ci, dataRef, dataRefType, theMovie, targetTrack, usedTrack, atTime, addedDuration, |
|---|
| 363 |
inFlags, outFlags); |
|---|
| 364 |
require_noerr(result, bail); |
|---|
| 365 |
|
|---|
| 366 |
result = FSpMakeFSRef(theFile, &theFileFSRef); |
|---|
| 367 |
require_noerr(result, bail); |
|---|
| 368 |
|
|---|
| 369 |
LoadExternalSubtitles(&theFileFSRef, theMovie); |
|---|
| 370 |
|
|---|
| 371 |
bail: |
|---|
| 372 |
if(dataRef) |
|---|
| 373 |
DisposeHandle(dataRef); |
|---|
| 374 |
|
|---|
| 375 |
return result; |
|---|
| 376 |
} /* FFAvi_MovieImportFile() */ |
|---|
| 377 |
|
|---|
| 378 |
ComponentResult FFAvi_MovieImportDataRef(ff_global_ptr storage, Handle dataRef, OSType dataRefType, Movie theMovie, Track targetTrack, |
|---|
| 379 |
Track *usedTrack, TimeValue atTime, TimeValue *addedDuration, long inFlags, long *outFlags) |
|---|
| 380 |
{ |
|---|
| 381 |
ComponentResult result = noErr; |
|---|
| 382 |
ByteIOContext byteContext; |
|---|
| 383 |
AVFormatContext *ic = NULL; |
|---|
| 384 |
AVFormatParameters params; |
|---|
| 385 |
OSType mediaType; |
|---|
| 386 |
Media media; |
|---|
| 387 |
int count, hadIndex, j; |
|---|
| 388 |
|
|---|
| 389 |
/* make sure that in case of error, the flag movieImportResultComplete is not set */ |
|---|
| 390 |
*outFlags = 0; |
|---|
| 391 |
|
|---|
| 392 |
/* probe the format first */ |
|---|
| 393 |
UInt8 valid = 0; |
|---|
| 394 |
FFAvi_MovieImportValidateDataRef(storage, dataRef, dataRefType, &valid); |
|---|
| 395 |
if(valid != 255) |
|---|
| 396 |
goto bail; |
|---|
| 397 |
|
|---|
| 398 |
/* Prepare the iocontext structure */ |
|---|
| 399 |
memset(&byteContext, 0, sizeof(byteContext)); |
|---|
| 400 |
result = url_open_dataref(&byteContext, dataRef, dataRefType, &storage->dataHandler, &storage->dataHandlerSupportsWideOffsets, &storage->dataSize); |
|---|
| 401 |
storage->isStreamed = dataRefType == URLDataHandlerSubType; |
|---|
| 402 |
require_noerr(result, bail); |
|---|
| 403 |
|
|---|
| 404 |
/* Open the Format Context */ |
|---|
| 405 |
memset(¶ms, 0, sizeof(params)); |
|---|
| 406 |
result = av_open_input_stream(&ic, &byteContext, "", storage->format, ¶ms); |
|---|
| 407 |
require_noerr(result,bail); |
|---|
| 408 |
storage->format_context = ic; |
|---|
| 409 |
|
|---|
| 410 |
/* Get the Stream Infos if not already read */ |
|---|
| 411 |
result = av_find_stream_info(ic); |
|---|
| 412 |
if(result < 0) |
|---|
| 413 |
goto bail; |
|---|
| 414 |
|
|---|
| 415 |
// we couldn't find any streams, bail with an error. |
|---|
| 416 |
if(ic->nb_streams == 0) { |
|---|
| 417 |
result = -1; //is there a more appropriate error code? |
|---|
| 418 |
goto bail; |
|---|
| 419 |
} |
|---|
| 420 |
|
|---|
| 421 |
//determine a header offset (needed by index-based import). |
|---|
| 422 |
result = determine_header_offset(storage); |
|---|
| 423 |
if(result < 0) |
|---|
| 424 |
goto bail; |
|---|
| 425 |
|
|---|
| 426 |
/* Initialize the Movie */ |
|---|
| 427 |
storage->movie = theMovie; |
|---|
| 428 |
if(inFlags & movieImportMustUseTrack) { |
|---|
| 429 |
storage->map_count = 1; |
|---|
| 430 |
prepare_track(storage, targetTrack, dataRef, dataRefType); |
|---|
| 431 |
} else { |
|---|
| 432 |
storage->map_count = ic->nb_streams; |
|---|
| 433 |
prepare_movie(storage, theMovie, dataRef, dataRefType); |
|---|
| 434 |
} |
|---|
| 435 |
|
|---|
| 436 |
/* replace the SampleDescription if user called MovieImportSetSampleDescription() */ |
|---|
| 437 |
if(storage->imgHdl) { |
|---|
| 438 |
for(j = 0; j < storage->map_count; j++) { |
|---|
| 439 |
NCStream ncstream = storage->stream_map[j]; |
|---|
| 440 |
GetMediaHandlerDescription(ncstream.media, &mediaType, NULL, NULL); |
|---|
| 441 |
if(mediaType == VideoMediaType && ncstream.sampleHdl) { |
|---|
| 442 |
DisposeHandle((Handle)ncstream.sampleHdl); |
|---|
| 443 |
ncstream.sampleHdl = (SampleDescriptionHandle)storage->imgHdl; |
|---|
| 444 |
} |
|---|
| 445 |
} |
|---|
| 446 |
} |
|---|
| 447 |
if(storage->sndHdl) { |
|---|
| 448 |
for(j = 0; j < storage->map_count; j++) { |
|---|
| 449 |
NCStream ncstream = storage->stream_map[j]; |
|---|
| 450 |
GetMediaHandlerDescription(ncstream.media, &mediaType, NULL, NULL); |
|---|
| 451 |
if(mediaType == SoundMediaType && ncstream.sampleHdl) { |
|---|
| 452 |
DisposeHandle((Handle)ncstream.sampleHdl); |
|---|
| 453 |
ncstream.sampleHdl = (SampleDescriptionHandle)storage->sndHdl; |
|---|
| 454 |
} |
|---|
| 455 |
} |
|---|
| 456 |
} |
|---|
| 457 |
|
|---|
| 458 |
count = 0; media = NULL; |
|---|
| 459 |
for(j = 0; j < storage->map_count; j++) { |
|---|
| 460 |
media = storage->stream_map[j].media; |
|---|
| 461 |
if(media) |
|---|
| 462 |
count++; |
|---|
| 463 |
} |
|---|
| 464 |
|
|---|
| 465 |
if(count > 1) |
|---|
| 466 |
*outFlags |= movieImportResultUsedMultipleTracks; |
|---|
| 467 |
|
|---|
| 468 |
/* The usedTrack parameter. Count the number of Tracks and set usedTrack if we operated |
|---|
| 469 |
* on a single track. Note that this requires the media to be set by track counting above*/ |
|---|
| 470 |
if(usedTrack && count == 1 && media) |
|---|
| 471 |
*usedTrack = GetMediaTrack(media); |
|---|
| 472 |
|
|---|
| 473 |
result = noErr; |
|---|
| 474 |
|
|---|
| 475 |
*addedDuration = 0; |
|---|
| 476 |
|
|---|
| 477 |
//attempt to import using indexes. |
|---|
| 478 |
result = import_using_index(storage, &hadIndex, addedDuration); |
|---|
| 479 |
require_noerr(result, bail); |
|---|
| 480 |
|
|---|
| 481 |
if(hadIndex) { |
|---|
| 482 |
//file had an index and was imported; we are done. |
|---|
| 483 |
*outFlags |= movieImportResultComplete; |
|---|
| 484 |
|
|---|
| 485 |
} else if(inFlags & movieImportWithIdle) { |
|---|
| 486 |
if(addedDuration && ic->duration > 0) { |
|---|
| 487 |
TimeScale movieTimeScale = GetMovieTimeScale(theMovie); |
|---|
| 488 |
*addedDuration = movieTimeScale * ic->duration / AV_TIME_BASE; |
|---|
| 489 |
|
|---|
| 490 |
//create a placeholder track so that progress displays correctly. |
|---|
| 491 |
create_placeholder_track(storage->movie, &storage->placeholderTrack, *addedDuration, dataRef, dataRefType); |
|---|
| 492 |
|
|---|
| 493 |
//give the data handler a hint as to how fast we need the data. |
|---|
| 494 |
//suggest a speed that's faster than the bare minimum. |
|---|
| 495 |
//if there's an error, the data handler probably doesn't support |
|---|
| 496 |
//this, so we can just ignore. |
|---|
| 497 |
DataHPlaybackHints(storage->dataHandler, 0, 0, -1, (storage->dataSize * 1.15) / ((double)ic->duration / AV_TIME_BASE)); |
|---|
| 498 |
} |
|---|
| 499 |
|
|---|
| 500 |
//import with idle. Decode a little bit of data now. |
|---|
| 501 |
import_with_idle(storage, inFlags, outFlags, 10, 300, true); |
|---|
| 502 |
} else { |
|---|
| 503 |
//QuickTime didn't request import with idle, so do it all now. |
|---|
| 504 |
import_with_idle(storage, inFlags, outFlags, 0, 0, true); |
|---|
| 505 |
} |
|---|
| 506 |
|
|---|
| 507 |
bail: |
|---|
| 508 |
if(result == noErr) |
|---|
| 509 |
storage->movieLoadState == kMovieLoadStateLoaded; |
|---|
| 510 |
else |
|---|
| 511 |
storage->movieLoadState == kMovieLoadStateError; |
|---|
| 512 |
|
|---|
| 513 |
return result; |
|---|
| 514 |
} /* FFAvi_MovieImportDataRef */ |
|---|
| 515 |
|
|---|
| 516 |
ComponentResult FFAvi_MovieImportSetIdleManager(ff_global_ptr storage, IdleManager im) { |
|---|
| 517 |
storage->idleManager = im; |
|---|
| 518 |
return noErr; |
|---|
| 519 |
} |
|---|
| 520 |
|
|---|
| 521 |
ComponentResult FFAvi_MovieImportIdle(ff_global_ptr storage, long inFlags, long *outFlags) { |
|---|
| 522 |
ComponentResult err = noErr; |
|---|
| 523 |
TimeValue currentIdleTime = GetMovieTime(storage->movie, NULL); |
|---|
| 524 |
TimeScale movieTimeScale = GetMovieTimeScale(storage->movie); |
|---|
| 525 |
int addSamples = false; |
|---|
| 526 |
|
|---|
| 527 |
storage->idlesSinceLastAdd++; |
|---|
| 528 |
|
|---|
| 529 |
if (currentIdleTime == storage->lastIdleTime && storage->idlesSinceLastAdd > 5 || |
|---|
| 530 |
storage->loadedTime < currentIdleTime + 5*movieTimeScale) |
|---|
| 531 |
{ |
|---|
| 532 |
storage->idlesSinceLastAdd = 0; |
|---|
| 533 |
addSamples = true; |
|---|
| 534 |
} |
|---|
| 535 |
|
|---|
| 536 |
err = import_with_idle(storage, inFlags | movieImportWithIdle, outFlags, 0, 1000, addSamples); |
|---|
| 537 |
|
|---|
| 538 |
storage->lastIdleTime = currentIdleTime; |
|---|
| 539 |
return err; |
|---|
| 540 |
} |
|---|
| 541 |
|
|---|
| 542 |
ComponentResult FFAvi_MovieImportGetLoadState(ff_global_ptr storage, long *importerLoadState) { |
|---|
| 543 |
*importerLoadState = storage->movieLoadState; |
|---|
| 544 |
return(noErr); |
|---|
| 545 |
} |
|---|
| 546 |
|
|---|
| 547 |
ComponentResult FFAvi_MovieImportGetMaxLoadedTime(ff_global_ptr storage, TimeValue *time) { |
|---|
| 548 |
*time = storage->loadedTime; |
|---|
| 549 |
return(noErr); |
|---|
| 550 |
} |
|---|