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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
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4 * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 #include "ISOControl.h" |
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7 #include "ISOMediaBoxes.h" |
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8 #include "AMRBox.h" |
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9 #include "ISOTrackMetadata.h" |
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10 |
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11 namespace mozilla { |
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12 |
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13 nsresult |
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14 AMRSampleEntry::Generate(uint32_t* aBoxSize) |
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15 { |
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16 uint32_t box_size; |
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17 nsresult rv = amr_special_box->Generate(&box_size); |
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18 NS_ENSURE_SUCCESS(rv, rv); |
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19 size += box_size; |
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20 |
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21 *aBoxSize = size; |
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22 return NS_OK; |
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23 } |
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24 |
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25 nsresult |
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26 AMRSampleEntry::Write() |
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27 { |
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28 BoxSizeChecker checker(mControl, size); |
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29 nsresult rv; |
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30 rv = AudioSampleEntry::Write(); |
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31 NS_ENSURE_SUCCESS(rv, rv); |
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32 rv = amr_special_box->Write(); |
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33 NS_ENSURE_SUCCESS(rv, rv); |
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34 |
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35 return NS_OK; |
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36 } |
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37 |
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38 AMRSampleEntry::AMRSampleEntry(ISOControl* aControl) |
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39 : AudioSampleEntry(NS_LITERAL_CSTRING("samr"), aControl) |
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40 { |
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41 amr_special_box = new AMRSpecificBox(aControl); |
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42 MOZ_COUNT_CTOR(AMRSampleEntry); |
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43 } |
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44 |
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45 AMRSampleEntry::~AMRSampleEntry() |
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46 { |
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47 MOZ_COUNT_DTOR(AMRSampleEntry); |
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48 } |
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49 |
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50 nsresult |
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51 AMRSpecificBox::Generate(uint32_t* aBoxSize) |
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52 { |
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53 nsresult rv; |
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54 FragmentBuffer* frag = mControl->GetFragment(Audio_Track); |
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55 rv = frag->GetCSD(amrDecSpecInfo); |
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56 NS_ENSURE_SUCCESS(rv, rv); |
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57 |
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58 size += amrDecSpecInfo.Length(); |
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59 *aBoxSize = size; |
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60 |
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61 return NS_OK; |
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62 } |
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63 |
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64 nsresult |
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65 AMRSpecificBox::Write() |
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66 { |
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67 BoxSizeChecker checker(mControl, size); |
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68 Box::Write(); |
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69 mControl->Write(amrDecSpecInfo.Elements(), amrDecSpecInfo.Length()); |
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70 return NS_OK; |
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71 } |
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72 |
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73 AMRSpecificBox::AMRSpecificBox(ISOControl* aControl) |
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74 : Box(NS_LITERAL_CSTRING("damr"), aControl) |
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75 { |
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76 MOZ_COUNT_CTOR(AMRSpecificBox); |
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77 } |
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78 |
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79 AMRSpecificBox::~AMRSpecificBox() |
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80 { |
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81 MOZ_COUNT_DTOR(AMRSpecificBox); |
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82 } |
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83 |
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84 } |