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1 1 |
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2 00:00:00,000 --> 00:00:05,000 |
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3 Video by Mario Ducoing |
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4 Used with permission |
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5 |
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6 2 |
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7 00:00:06,000 --> 00:00:08,000 |
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8 PREQ1939 |
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9 |
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10 3 |
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11 00:00:08,000 --> 00:00:12,000 |
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12 Video Subtitles and |
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13 Captioning Support |
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14 |
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15 4 |
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16 00:00:15,000 --> 00:00:18,000 |
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17 PREQ1939 is complete |
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18 and available today. |
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19 |
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20 |
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21 5 |
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22 00:00:18,000 --> 00:00:21,000 |
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23 It is officially in Symbian OS |
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24 Diran only, but the code is |
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25 |
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26 6 |
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27 00:00:21,000 --> 00:00:24,000 |
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28 present in 9.5 releases and is |
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29 easy to enable and build. |
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30 |
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31 7 |
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32 00:00:26,000 --> 00:00:29,000 |
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33 This demo runs under a stock |
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34 Symbian OS 9.5 DevKit release. |
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35 |
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36 8 |
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37 00:00:29,000 --> 00:00:32,000 |
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38 We have simply enabled NGA, |
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39 enabled PREQ1939, |
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40 |
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41 9 |
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42 00:00:32,000 --> 00:00:35,000 |
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43 rebuilt MMF, and added a |
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44 simple demo application. |
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45 |
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46 10 |
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47 00:00:35,000 --> 00:00:38,000 |
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48 Detailed build info |
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49 and this demo application is |
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50 |
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51 11 |
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52 00:00:38,000 --> 00:00:41,000 |
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53 available on request. |
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54 |
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55 12 |
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56 00:00:44,000 --> 00:00:47,000 |
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57 PREQ1939 requires that video |
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58 playback uses graphics surfaces. |
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59 |
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60 13 |
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61 00:00:47,000 --> 00:00:50,000 |
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62 The actual subtitles however |
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63 are rendered as UI graphics |
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64 |
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65 14 |
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66 00:00:50,000 --> 00:00:53,000 |
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67 Using a Content Rendering |
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68 Plugin (CRP) in Window Server. |
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69 |
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70 15 |
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71 00:00:55,000 --> 00:00:58,000 |
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72 The PREQ delivery includes all |
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73 MMF and API changes, |
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74 |
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75 16 |
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76 00:00:58,000 --> 00:01:01,000 |
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77 a product-quality CRP for |
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78 subtitle rendering, |
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79 |
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80 17 |
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81 00:01:01,000 --> 00:01:04,000 |
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82 and a reference SRT subtitle |
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83 renderer in the AVI controller. |
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84 |
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85 18 |
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86 00:01:06,000 --> 00:01:11,000 |
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87 This demo uses a video-only |
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88 AVI file with MPEG-4 video |
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89 |
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90 19 |
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91 00:01:11,000 --> 00:01:14,000 |
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92 and a hand-written SRT |
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93 subtitle file. |
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94 |
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95 20 |
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96 00:01:16,000 --> 00:01:19,000 |
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97 Real-world implementations |
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98 are expected to use |
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99 |
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100 21 |
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101 00:01:19,000 --> 00:01:22,000 |
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102 3GPP Timed Text instead. |
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103 |
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104 22 |
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105 00:01:22,000 --> 00:01:25,000 |
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106 In any case, all subtitles are |
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107 rendered in the controller and |
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108 |
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109 23 |
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110 00:01:25,000 --> 00:01:28,000 |
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111 displayed directly using a CRP. |
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112 |
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113 |
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114 24 |
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115 00:01:28,000 --> 00:01:31,000 |
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116 The application is not on the |
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117 data path at all, and has only |
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118 |
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119 25 |
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120 00:01:31,000 --> 00:01:34,000 |
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121 basic control functionality. |
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122 |
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123 |
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124 26 |
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125 00:01:36,000 --> 00:01:59,000 |
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126 Thank you |