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| <div class="headertitle"><div class="title">StabilizedCallback.h</div></div> |
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| <div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div> |
| <div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * Copyright 2018 The Android Open Source Project</span></div> |
| <div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * you may not use this file except in compliance with the License.</span></div> |
| <div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * You may obtain a copy of the License at</span></div> |
| <div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> * limitations under the License.</span></div> |
| <div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> */</span></div> |
| <div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div> |
| <div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#ifndef OBOE_STABILIZEDCALLBACK_H</span></div> |
| <div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#define OBOE_STABILIZEDCALLBACK_H</span></div> |
| <div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div> |
| <div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <cstdint></span></div> |
| <div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include "oboe/AudioStream.h"</span></div> |
| <div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div> |
| <div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="keyword">namespace </span>oboe {</div> |
| <div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div> |
| <div class="foldopen" id="foldopen00025" data-start="{" data-end="};"> |
| <div class="line"><a id="l00025" name="l00025"></a><span class="lineno"><a class="line" href="classoboe_1_1_stabilized_callback.html"> 25</a></span><span class="keyword">class </span><a class="code hl_class" href="classoboe_1_1_stabilized_callback.html">StabilizedCallback</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoboe_1_1_audio_stream_callback.html">AudioStreamCallback</a> {</div> |
| <div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div> |
| <div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="keyword">public</span>:</div> |
| <div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">explicit</span> <a class="code hl_class" href="classoboe_1_1_stabilized_callback.html">StabilizedCallback</a>(<a class="code hl_class" href="classoboe_1_1_audio_stream_callback.html">AudioStreamCallback</a> *callback);</div> |
| <div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div> |
| <div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> DataCallbackResult</div> |
| <div class="line"><a id="l00031" name="l00031"></a><span class="lineno"><a class="line" href="classoboe_1_1_stabilized_callback.html#ad447e12ebf732cf151655c1fbaf58a49"> 31</a></span> <a class="code hl_function" href="classoboe_1_1_stabilized_callback.html#ad447e12ebf732cf151655c1fbaf58a49">onAudioReady</a>(<a class="code hl_class" href="classoboe_1_1_audio_stream.html">AudioStream</a> *oboeStream, <span class="keywordtype">void</span> *audioData, int32_t numFrames) <span class="keyword">override</span>;</div> |
| <div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div> |
| <div class="foldopen" id="foldopen00033" data-start="{" data-end="}"> |
| <div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="classoboe_1_1_stabilized_callback.html#a7ec0e9fca3181962ab78716bcda83e10"> 33</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoboe_1_1_stabilized_callback.html#a7ec0e9fca3181962ab78716bcda83e10">onErrorBeforeClose</a>(<a class="code hl_class" href="classoboe_1_1_audio_stream.html">AudioStream</a> *oboeStream, Result error)<span class="keyword"> override </span>{</div> |
| <div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keywordflow">return</span> mCallback-><a class="code hl_function" href="classoboe_1_1_audio_stream_error_callback.html#a4eb1e4916b71d8231e97b19898bc9bf0">onErrorBeforeClose</a>(oboeStream, error);</div> |
| <div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> }</div> |
| </div> |
| <div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div> |
| <div class="foldopen" id="foldopen00037" data-start="{" data-end="}"> |
| <div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="classoboe_1_1_stabilized_callback.html#af7521da42c4b08a71e6102994f6f41f4"> 37</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoboe_1_1_stabilized_callback.html#af7521da42c4b08a71e6102994f6f41f4">onErrorAfterClose</a>(<a class="code hl_class" href="classoboe_1_1_audio_stream.html">AudioStream</a> *oboeStream, Result error)<span class="keyword"> override </span>{</div> |
| <div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div> |
| <div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// Reset all fields now that the stream has been closed</span></div> |
| <div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> mFrameCount = 0;</div> |
| <div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> mEpochTimeNanos = 0;</div> |
| <div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> mOpsPerNano = 1;</div> |
| <div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keywordflow">return</span> mCallback-><a class="code hl_function" href="classoboe_1_1_audio_stream_error_callback.html#a76bd3ef3e00396e10c21812003654cfe">onErrorAfterClose</a>(oboeStream, error);</div> |
| <div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> }</div> |
| </div> |
| <div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div> |
| <div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="keyword">private</span>:</div> |
| <div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> </div> |
| <div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <a class="code hl_class" href="classoboe_1_1_audio_stream_callback.html">AudioStreamCallback</a> *mCallback = <span class="keyword">nullptr</span>;</div> |
| <div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> int64_t mFrameCount = 0;</div> |
| <div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> int64_t mEpochTimeNanos = 0;</div> |
| <div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordtype">double</span> mOpsPerNano = 1;</div> |
| <div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div> |
| <div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordtype">void</span> generateLoad(int64_t durationNanos);</div> |
| <div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span>};</div> |
| </div> |
| <div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div> |
| <div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="preprocessor">#if defined(__i386__) || defined(__x86_64__)</span></div> |
| <div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="preprocessor">#define cpu_relax() asm volatile("rep; nop" ::: "memory");</span></div> |
| <div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div> |
| <div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="preprocessor">#elif defined(__arm__) || defined(__mips__) || defined(__riscv)</span></div> |
| <div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="preprocessor"> #define cpu_relax() asm volatile("":::"memory")</span></div> |
| <div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div> |
| <div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="preprocessor">#elif defined(__aarch64__)</span></div> |
| <div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span><span class="preprocessor">#define cpu_relax() asm volatile("yield" ::: "memory")</span></div> |
| <div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div> |
| <div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span><span class="preprocessor">#else</span></div> |
| <div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span><span class="preprocessor">#error "cpu_relax is not defined for this architecture"</span></div> |
| <div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span><span class="preprocessor">#endif</span></div> |
| <div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div> |
| <div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span>}</div> |
| <div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div> |
| <div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="preprocessor">#endif </span><span class="comment">//OBOE_STABILIZEDCALLBACK_H</span></div> |
| <div class="ttc" id="aclassoboe_1_1_audio_stream_callback_html"><div class="ttname"><a href="classoboe_1_1_audio_stream_callback.html">oboe::AudioStreamCallback</a></div><div class="ttdef"><b>Definition</b> AudioStreamCallback.h:304</div></div> |
| <div class="ttc" id="aclassoboe_1_1_audio_stream_error_callback_html_a4eb1e4916b71d8231e97b19898bc9bf0"><div class="ttname"><a href="classoboe_1_1_audio_stream_error_callback.html#a4eb1e4916b71d8231e97b19898bc9bf0">oboe::AudioStreamErrorCallback::onErrorBeforeClose</a></div><div class="ttdeci">virtual void onErrorBeforeClose(AudioStream *, Result)</div><div class="ttdef"><b>Definition</b> AudioStreamCallback.h:152</div></div> |
| <div class="ttc" id="aclassoboe_1_1_audio_stream_error_callback_html_a76bd3ef3e00396e10c21812003654cfe"><div class="ttname"><a href="classoboe_1_1_audio_stream_error_callback.html#a76bd3ef3e00396e10c21812003654cfe">oboe::AudioStreamErrorCallback::onErrorAfterClose</a></div><div class="ttdeci">virtual void onErrorAfterClose(AudioStream *, Result)</div><div class="ttdef"><b>Definition</b> AudioStreamCallback.h:168</div></div> |
| <div class="ttc" id="aclassoboe_1_1_audio_stream_html"><div class="ttname"><a href="classoboe_1_1_audio_stream.html">oboe::AudioStream</a></div><div class="ttdef"><b>Definition</b> AudioStream.h:43</div></div> |
| <div class="ttc" id="aclassoboe_1_1_stabilized_callback_html"><div class="ttname"><a href="classoboe_1_1_stabilized_callback.html">oboe::StabilizedCallback</a></div><div class="ttdef"><b>Definition</b> StabilizedCallback.h:25</div></div> |
| <div class="ttc" id="aclassoboe_1_1_stabilized_callback_html_a7ec0e9fca3181962ab78716bcda83e10"><div class="ttname"><a href="classoboe_1_1_stabilized_callback.html#a7ec0e9fca3181962ab78716bcda83e10">oboe::StabilizedCallback::onErrorBeforeClose</a></div><div class="ttdeci">void onErrorBeforeClose(AudioStream *oboeStream, Result error) override</div><div class="ttdef"><b>Definition</b> StabilizedCallback.h:33</div></div> |
| <div class="ttc" id="aclassoboe_1_1_stabilized_callback_html_ad447e12ebf732cf151655c1fbaf58a49"><div class="ttname"><a href="classoboe_1_1_stabilized_callback.html#ad447e12ebf732cf151655c1fbaf58a49">oboe::StabilizedCallback::onAudioReady</a></div><div class="ttdeci">DataCallbackResult onAudioReady(AudioStream *oboeStream, void *audioData, int32_t numFrames) override</div></div> |
| <div class="ttc" id="aclassoboe_1_1_stabilized_callback_html_af7521da42c4b08a71e6102994f6f41f4"><div class="ttname"><a href="classoboe_1_1_stabilized_callback.html#af7521da42c4b08a71e6102994f6f41f4">oboe::StabilizedCallback::onErrorAfterClose</a></div><div class="ttdeci">void onErrorAfterClose(AudioStream *oboeStream, Result error) override</div><div class="ttdef"><b>Definition</b> StabilizedCallback.h:37</div></div> |
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