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| 1 /* | 1 /* |
| 2 * Copyright (C) 2011, 2012 Apple Inc. All rights reserved. | 2 * Copyright (C) 2011, 2012 Apple Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
| 11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
| 12 * | 12 * |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 */ | 24 */ |
| 25 | 25 |
| 26 #include "config.h" | 26 #include "config.h" |
| 27 #include "core/html/MediaFragmentURIParser.h" | 27 #include "core/html/MediaFragmentURIParser.h" |
| 28 | 28 |
| 29 #include "platform/graphics/media/MediaPlayer.h" | |
| 30 #include "wtf/text/CString.h" | 29 #include "wtf/text/CString.h" |
| 31 #include "wtf/text/StringBuilder.h" | 30 #include "wtf/text/StringBuilder.h" |
| 32 #include "wtf/text/WTFString.h" | 31 #include "wtf/text/WTFString.h" |
| 33 | 32 |
| 34 namespace blink { | 33 namespace blink { |
| 35 | 34 |
| 36 const int secondsPerHour = 3600; | 35 const int secondsPerHour = 3600; |
| 37 const int secondsPerMinute = 60; | 36 const int secondsPerMinute = 60; |
| 38 const unsigned nptIdentiferLength = 4; // "npt:" | 37 const unsigned nptIdentiferLength = 4; // "npt:" |
| 39 | 38 |
| (...skipping 16 matching lines...) Expand all Loading... |
| 56 // [ "." *DIGIT ] | 55 // [ "." *DIGIT ] |
| 57 if (input[position] != '.') | 56 if (input[position] != '.') |
| 58 return String(); | 57 return String(); |
| 59 | 58 |
| 60 digits.append(input[position++]); | 59 digits.append(input[position++]); |
| 61 while (position < length && isASCIIDigit(input[position])) | 60 while (position < length && isASCIIDigit(input[position])) |
| 62 digits.append(input[position++]); | 61 digits.append(input[position++]); |
| 63 return digits.toString(); | 62 return digits.toString(); |
| 64 } | 63 } |
| 65 | 64 |
| 66 double MediaFragmentURIParser::invalidTimeValue() | |
| 67 { | |
| 68 return MediaPlayer::invalidTime(); | |
| 69 } | |
| 70 | |
| 71 MediaFragmentURIParser::MediaFragmentURIParser(const KURL& url) | 65 MediaFragmentURIParser::MediaFragmentURIParser(const KURL& url) |
| 72 : m_url(url) | 66 : m_url(url) |
| 73 , m_timeFormat(None) | 67 , m_timeFormat(None) |
| 74 , m_startTime(MediaPlayer::invalidTime()) | 68 , m_startTime(std::numeric_limits<double>::quiet_NaN()) |
| 75 , m_endTime(MediaPlayer::invalidTime()) | 69 , m_endTime(std::numeric_limits<double>::quiet_NaN()) |
| 76 { | 70 { |
| 77 } | 71 } |
| 78 | 72 |
| 79 double MediaFragmentURIParser::startTime() | 73 double MediaFragmentURIParser::startTime() |
| 80 { | 74 { |
| 81 if (!m_url.isValid()) | 75 if (!m_url.isValid()) |
| 82 return MediaPlayer::invalidTime(); | 76 return std::numeric_limits<double>::quiet_NaN(); |
| 83 if (m_timeFormat == None) | 77 if (m_timeFormat == None) |
| 84 parseTimeFragment(); | 78 parseTimeFragment(); |
| 85 return m_startTime; | 79 return m_startTime; |
| 86 } | 80 } |
| 87 | 81 |
| 88 double MediaFragmentURIParser::endTime() | 82 double MediaFragmentURIParser::endTime() |
| 89 { | 83 { |
| 90 if (!m_url.isValid()) | 84 if (!m_url.isValid()) |
| 91 return MediaPlayer::invalidTime(); | 85 return std::numeric_limits<double>::quiet_NaN(); |
| 92 if (m_timeFormat == None) | 86 if (m_timeFormat == None) |
| 93 parseTimeFragment(); | 87 parseTimeFragment(); |
| 94 return m_endTime; | 88 return m_endTime; |
| 95 } | 89 } |
| 96 | 90 |
| 97 void MediaFragmentURIParser::parseFragments() | 91 void MediaFragmentURIParser::parseFragments() |
| 98 { | 92 { |
| 99 if (!m_url.hasFragmentIdentifier()) | 93 if (!m_url.hasFragmentIdentifier()) |
| 100 return; | 94 return; |
| 101 String fragmentString = m_url.fragmentIdentifier(); | 95 String fragmentString = m_url.fragmentIdentifier(); |
| (...skipping 67 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 169 // time and an end time | 163 // time and an end time |
| 170 if (fragment.first != "t") | 164 if (fragment.first != "t") |
| 171 continue; | 165 continue; |
| 172 | 166 |
| 173 // http://www.w3.org/2008/WebVideo/Fragments/WD-media-fragments-spec/#np
t-time | 167 // http://www.w3.org/2008/WebVideo/Fragments/WD-media-fragments-spec/#np
t-time |
| 174 // Temporal clipping can be specified either as Normal Play Time (npt) R
FC 2326, as SMPTE timecodes, | 168 // Temporal clipping can be specified either as Normal Play Time (npt) R
FC 2326, as SMPTE timecodes, |
| 175 // SMPTE, or as real-world clock time (clock) RFC 2326. Begin and end ti
mes are always specified | 169 // SMPTE, or as real-world clock time (clock) RFC 2326. Begin and end ti
mes are always specified |
| 176 // in the same format. The format is specified by name, followed by a co
lon (:), with npt: being | 170 // in the same format. The format is specified by name, followed by a co
lon (:), with npt: being |
| 177 // the default. | 171 // the default. |
| 178 | 172 |
| 179 double start = MediaPlayer::invalidTime(); | 173 double start = std::numeric_limits<double>::quiet_NaN(); |
| 180 double end = MediaPlayer::invalidTime(); | 174 double end = std::numeric_limits<double>::quiet_NaN(); |
| 181 if (parseNPTFragment(fragment.second.characters8(), fragment.second.leng
th(), start, end)) { | 175 if (parseNPTFragment(fragment.second.characters8(), fragment.second.leng
th(), start, end)) { |
| 182 m_startTime = start; | 176 m_startTime = start; |
| 183 m_endTime = end; | 177 m_endTime = end; |
| 184 m_timeFormat = NormalPlayTime; | 178 m_timeFormat = NormalPlayTime; |
| 185 | 179 |
| 186 // Although we have a valid fragment, don't return yet because when
a fragment dimensions | 180 // Although we have a valid fragment, don't return yet because when
a fragment dimensions |
| 187 // occurs multiple times, only the last occurrence of that dimension
is used: | 181 // occurs multiple times, only the last occurrence of that dimension
is used: |
| 188 // http://www.w3.org/2008/WebVideo/Fragments/WD-media-fragments-spec
/#error-uri-general | 182 // http://www.w3.org/2008/WebVideo/Fragments/WD-media-fragments-spec
/#error-uri-general |
| 189 // Multiple occurrences of the same dimension: only the last valid o
ccurrence of a dimension | 183 // Multiple occurrences of the same dimension: only the last valid o
ccurrence of a dimension |
| 190 // (e.g., t=10 in #t=2&t=10) is interpreted, all previous occurrence
s (valid or invalid) | 184 // (e.g., t=10 in #t=2&t=10) is interpreted, all previous occurrence
s (valid or invalid) |
| (...skipping 119 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 310 } | 304 } |
| 311 | 305 |
| 312 if (offset < length && timeString[offset] == '.') | 306 if (offset < length && timeString[offset] == '.') |
| 313 fraction = collectFraction(timeString, length, offset).toDouble(); | 307 fraction = collectFraction(timeString, length, offset).toDouble(); |
| 314 | 308 |
| 315 time = (value1 * secondsPerHour) + (value2 * secondsPerMinute) + value3 + fr
action; | 309 time = (value1 * secondsPerHour) + (value2 * secondsPerMinute) + value3 + fr
action; |
| 316 return true; | 310 return true; |
| 317 } | 311 } |
| 318 | 312 |
| 319 } | 313 } |
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