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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic topic" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/mpp/mini_audio_player_design_guide.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">设计说明</h1><div class="date inPage">15 Jan 2024</div><div style="color: gray;">
Read time: 8 minute(s)
</div><div class="- topic/body body"><section class="- topic/section section" id="id__id2" data-ofbid="id__id2"><h2 class="- topic/title title sectiontitle">源码说明</h2>
<p class="- topic/p p" data-ofbid="d163010e24__20250121171617">本模块源码位于 <span class="+ topic/ph sw-d/filepath ph filepath">packages/artinchip/mpp/middle_media/mini_audio_player</span>
下,目录结构如下</p>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_ojh_md3_bdc" data-ofbid="id__codeblock_ojh_md3_bdc">packages
|-artinchip
|-mpp
|-middle-media
|-mini_audio_player
|-mini_audio_player.h <em class="hl-comment">//接口</em>
|-mini_audio_player.c <em class="hl-comment">//接口具体实现</em>
|-mini_audio_player_demo <em class="hl-comment">//demo</em></pre>
</section><section class="- topic/section section" id="id__mini-audio-player-interface" data-ofbid="id__mini-audio-player-interface"><h2 class="- topic/title title sectiontitle">数据结构设计</h2>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_lf4_dqh_fdc" data-ofbid="id__codeblock_lf4_dqh_fdc"><strong class="hl-keyword">struct</strong> mini_audio_player;
<strong class="hl-keyword">enum</strong> MINI_AUDIO_PLAYER_STATE {
MINI_AUDIO_PLAYER_STATE_STOPED = <span class="hl-number">0</span>,
MINI_AUDIO_PLAYER_STATE_PLAYING = <span class="hl-number">1</span>,
MINI_AUDIO_PLAYER_STATE_PAUSED = <span class="hl-number">2</span>,
};
<strong class="hl-keyword">struct</strong> mini_player_audio_info {
s64 file_size;
s64 duration;
s32 nb_channel;
s32 bits_per_sample;
s32 sample_rate;
};</pre>
</section><section class="- topic/section section" id="id__section_or3_rph_fdc" data-ofbid="id__section_or3_rph_fdc"><h2 class="- topic/title title sectiontitle">接口设计</h2>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_mwc_2qh_fdc" data-ofbid="id__codeblock_mwc_2qh_fdc"><strong class="hl-keyword">struct</strong> mini_audio_player* mini_audio_player_create(<strong class="hl-keyword">void</strong>);
<strong class="hl-keyword">int</strong> mini_audio_player_destroy(<strong class="hl-keyword">struct</strong> mini_audio_player *player);
<strong class="hl-keyword">int</strong> mini_audio_player_play(<strong class="hl-keyword">struct</strong> mini_audio_player *player,<strong class="hl-keyword">char</strong> *uri);
<strong class="hl-keyword">int</strong> mini_audio_player_stop(<strong class="hl-keyword">struct</strong> mini_audio_player *player);
<strong class="hl-keyword">int</strong> mini_audio_player_pause(<strong class="hl-keyword">struct</strong> mini_audio_player *player);
<strong class="hl-keyword">int</strong> mini_audio_player_resume(<strong class="hl-keyword">struct</strong> mini_audio_player *player);
<strong class="hl-keyword">int</strong> mini_audio_player_get_media_info(<strong class="hl-keyword">struct</strong> mini_audio_player *player,<strong class="hl-keyword">struct</strong> mini_player_audio_info *audio_info);
<strong class="hl-keyword">int</strong> mini_audio_player_set_volume(<strong class="hl-keyword">struct</strong> mini_audio_player *player,<strong class="hl-keyword">int</strong> vol);
<strong class="hl-keyword">int</strong> mini_audio_player_get_volume(<strong class="hl-keyword">struct</strong> mini_audio_player *player,<strong class="hl-keyword">int</strong> *vol);
<strong class="hl-keyword">int</strong> mini_audio_player_get_state(<strong class="hl-keyword">struct</strong> mini_audio_player *player); </pre>
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_rjh_md3_bdc" data-ofbid="id__table_rjh_md3_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">mini_audio_player_create</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_rjh_md3_bdc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_rjh_md3_bdc__entry__2">struct mini_audio_player *mini_audio_player_create(void)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_rjh_md3_bdc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_rjh_md3_bdc__entry__2">创建 audio_player 对象</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_rjh_md3_bdc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_rjh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div">无</div>
</div>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_rjh_md3_bdc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_rjh_md3_bdc__entry__2">audio_player 对象</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_rjh_md3_bdc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_rjh_md3_bdc__entry__2">- </td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_sjh_md3_bdc" data-ofbid="id__table_sjh_md3_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 2</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">mini_audio_player_destroy</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_sjh_md3_bdc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_sjh_md3_bdc__entry__2">int mini_audio_player_destroy(struct mini_audio_player
*audio_player)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_sjh_md3_bdc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_sjh_md3_bdc__entry__2">销毁 audio_player 对象</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_sjh_md3_bdc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_sjh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div">audio_player 对象</div>
</div>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_sjh_md3_bdc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_sjh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div"> 0：成功，其他：失败</div>
</div>
</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_tjh_md3_bdc" data-ofbid="id__table_tjh_md3_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 3</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">mini_audio_player_play</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_tjh_md3_bdc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_tjh_md3_bdc__entry__2">int mini_audio_player_play(struct mini_audio_player
*audio_player，char *uri)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tjh_md3_bdc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_tjh_md3_bdc__entry__2">启动线程播放音频，非阻塞。</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tjh_md3_bdc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_tjh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div">audio_player 对象，uri ,文件路径</div>
</div>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_tjh_md3_bdc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_tjh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div"> 0：成功，其他：失败</div>
</div>
</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_ujh_md3_bdc" data-ofbid="id__table_ujh_md3_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 4</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">mini_audio_player_stop</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_ujh_md3_bdc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_ujh_md3_bdc__entry__2">s32 mini_audio_player_stop(struct mini_audio_player
*audio_player)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ujh_md3_bdc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_ujh_md3_bdc__entry__2">结束当前音频文件播放，非阻塞</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ujh_md3_bdc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_ujh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div">audio_player 对象</div>
</div>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_ujh_md3_bdc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_ujh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div"> 0：成功，其他：失败。</div>
</div>
</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_vjh_md3_bdc" data-ofbid="id__table_vjh_md3_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 5</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">mini_audio_player_pause</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_vjh_md3_bdc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_vjh_md3_bdc__entry__2">s32 mini_audio_player_pause(struct mini_audio_player
*audio_player)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_vjh_md3_bdc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_vjh_md3_bdc__entry__2">暂停当前音频文件播放，非阻塞</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_vjh_md3_bdc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_vjh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div">audio_player 对象</div>
</div>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_vjh_md3_bdc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_vjh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div"> 0：成功，其他：失败。</div>
</div>
</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_wjh_md3_bdc" data-ofbid="id__table_wjh_md3_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 6</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">mini_audio_player_get_media_info</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_wjh_md3_bdc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_wjh_md3_bdc__entry__2">s32 mini_audio_player_get_media_info(struct mini_audio_player
*audio_player)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_wjh_md3_bdc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_wjh_md3_bdc__entry__2">获取当前音频参数，非阻塞</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_wjh_md3_bdc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_wjh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div">audio_player 对象</div>
</div>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_wjh_md3_bdc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_wjh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div"> 0：成功，其他：失败。</div>
</div>
</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_xjh_md3_bdc" data-ofbid="id__table_xjh_md3_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 7</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">mini_audio_player_set_volume</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_xjh_md3_bdc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_xjh_md3_bdc__entry__2">int mini_audio_player_set_volume(struct mini_audio_player
*audio_player，int vol)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_xjh_md3_bdc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_xjh_md3_bdc__entry__2">设置音量，非阻塞</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_xjh_md3_bdc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_xjh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div">audio_player 对象，vol 音量值，0-100</div>
</div>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_xjh_md3_bdc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_xjh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div"> 0：成功，其他：失败</div>
</div>
</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_yjh_md3_bdc" data-ofbid="id__table_yjh_md3_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 8</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">mini_audio_player_get_volume</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_yjh_md3_bdc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_yjh_md3_bdc__entry__2">int mini_audio_player_get_volume(struct mini_audio_player
*audio_player，int *vol)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_yjh_md3_bdc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_yjh_md3_bdc__entry__2">获取音量，非阻塞</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_yjh_md3_bdc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_yjh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div">audio_player 对象，vol ,音量值</div>
</div>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_yjh_md3_bdc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_yjh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div"> 0：成功，其他：失败</div>
</div>
</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_zjh_md3_bdc" data-ofbid="id__table_zjh_md3_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 9</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">mini_audio_player_get_state</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_zjh_md3_bdc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_zjh_md3_bdc__entry__2">int mini_audio_player_get_state(struct mini_audio_player
*audio_player)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_zjh_md3_bdc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_zjh_md3_bdc__entry__2">获取当前播放状态，非阻塞。</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_zjh_md3_bdc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_zjh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div">audio_player 对象</div>
</div>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_zjh_md3_bdc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_zjh_md3_bdc__entry__2">
<div class="- topic/div div">
<div class="- topic/div div"> 返回当前状态，3 种状态，停止，播放中，暂停中</div>
</div>
</td></tr></tbody></table></div>
</section><section class="- topic/section section" id="id__section_uxk_sph_fdc" data-ofbid="id__section_uxk_sph_fdc"><h2 class="- topic/title title sectiontitle">APP Demo</h2>
<div class="- topic/p p" data-ofbid="d163010e423__20250121171617">源码位于
<span class="+ topic/ph sw-d/filepath ph filepath">packages/artinchip/mpp/middle_media/mini_audio_player/mini_audio_player_demo.c</span><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_qsz_bqh_fdc" data-ofbid="id__codeblock_qsz_bqh_fdc"><em class="hl-comment">/*
* Copyright (C) 2020-2024 ArtInChip Technology Co. Ltd
*
* author: &lt;jun.ma@artinchip.com&gt;
* Desc: audio_player_demo
*/</em>
#include &lt;stdio.h&gt;
#include &lt;stdlib.h&gt;
#include &lt;string.h&gt;
#include &lt;stddef.h&gt;
#include &lt;unistd.h&gt;
#include &lt;inttypes.h&gt;
#include &lt;dirent.h&gt;
#include &lt;fcntl.h&gt;
#include &lt;unistd.h&gt;
#include &lt;sys/types.h&gt;
#include &lt;getopt.h&gt;
#include &lt;shell.h&gt;
#include &lt;artinchip_fb.h&gt;
#include <span class="hl-string">"mini_audio_player.h"</span>
#ifdef LPKG_USING_CPU_USAGE
#include <span class="hl-string">"cpu_usage.h"</span>
#endif
#<span class="hl-directive">define</span> AUDIO_PLAYER_DEMO_FILE_MAX_NUM <span class="hl-number">128</span>
#<span class="hl-directive">define</span> AUDIO_PLAYER_DEMO_FILE_PATH_MAX_LEN <span class="hl-number">256</span>
<strong class="hl-keyword">struct</strong> audio_file_list {
<strong class="hl-keyword">char</strong> *file_path[AUDIO_PLAYER_DEMO_FILE_MAX_NUM];
<strong class="hl-keyword">int</strong> file_num;
};
<strong class="hl-keyword">static</strong> <strong class="hl-keyword">void</strong> print_help(<strong class="hl-keyword">const</strong> <strong class="hl-keyword">char</strong>* prog)
{
printf(<span class="hl-string">"name: %s\n"</span>, prog);
printf(<span class="hl-string">"Compile time: %s\n"</span>, __TIME__);
printf(<span class="hl-string">"Usage: player_demo [options]:\n"</span>
<span class="hl-string">"\t-i input stream file name\n"</span>
<span class="hl-string">"\t-t directory of test files\n"</span>
<span class="hl-string">"\t-l loop time\n"</span>
<span class="hl-string">"\t-h help\n\n"</span>
<span class="hl-string">"---------------------------------------------------------------------------------------\n"</span>
<span class="hl-string">"-------------------------------control key while playing-------------------------------\n"</span>
<span class="hl-string">"---------------------------------------------------------------------------------------\n"</span>
<span class="hl-string">"('s'): stop current \n"</span>
<span class="hl-string">"('p'): pause \n"</span>
<span class="hl-string">"('r'): resume \n"</span>
<span class="hl-string">"('+'): volum+5 \n"</span>
<span class="hl-string">"('-'): volum-5 \n"</span>
<span class="hl-string">"('e'): eixt app \n"</span>);
}
<strong class="hl-keyword">static</strong> <strong class="hl-keyword">int</strong> read_dir(<strong class="hl-keyword">char</strong>* path, <strong class="hl-keyword">struct</strong> audio_file_list *files)
{
<strong class="hl-keyword">char</strong>* ptr = NULL;
<strong class="hl-keyword">int</strong> file_path_len = <span class="hl-number">0</span>;
<strong class="hl-keyword">struct</strong> dirent* dir_file;
DIR* dir = opendir(path);
<strong class="hl-keyword">if</strong> (dir == NULL) {
printf(<span class="hl-string">"read dir failed"</span>);
<strong class="hl-keyword">return</strong> -<span class="hl-number">1</span>;
}
<strong class="hl-keyword">while</strong>((dir_file = readdir(dir))) {
<strong class="hl-keyword">if</strong> (strcmp(dir_file-&gt;d_name, <span class="hl-string">"."</span>) == <span class="hl-number">0</span> || strcmp(dir_file-&gt;d_name, <span class="hl-string">".."</span>) == <span class="hl-number">0</span>)
<strong class="hl-keyword">continue</strong>;
ptr = strrchr(dir_file-&gt;d_name, <span class="hl-string">'.'</span>);
<strong class="hl-keyword">if</strong> (ptr == NULL)
<strong class="hl-keyword">continue</strong>;
<strong class="hl-keyword">if</strong> (strcmp(ptr, <span class="hl-string">".mp3"</span>) &amp;&amp; strcmp(ptr, <span class="hl-string">".wav"</span>))
<strong class="hl-keyword">continue</strong>;
printf(<span class="hl-string">"name: %s\n"</span>, dir_file-&gt;d_name);
file_path_len = <span class="hl-number">0</span>;
file_path_len += strlen(path);
file_path_len += <span class="hl-number">1</span>; <em class="hl-comment">// '/'</em>
file_path_len += strlen(dir_file-&gt;d_name);
printf(<span class="hl-string">"file_path_len:%d\n"</span>,file_path_len);
<strong class="hl-keyword">if</strong> (file_path_len &gt; AUDIO_PLAYER_DEMO_FILE_PATH_MAX_LEN-<span class="hl-number">1</span>) {
printf(<span class="hl-string">"%s too long \n"</span>,dir_file-&gt;d_name);
<strong class="hl-keyword">continue</strong>;
}
files-&gt;file_path[files-&gt;file_num] = (<strong class="hl-keyword">char</strong> *)aicos_malloc(MEM_DEFAULT,file_path_len+<span class="hl-number">1</span>);
files-&gt;file_path[files-&gt;file_num][file_path_len] = <span class="hl-string">'\0'</span>;
strcpy(files-&gt;file_path[files-&gt;file_num], path);
strcat(files-&gt;file_path[files-&gt;file_num], <span class="hl-string">"/"</span>);
strcat(files-&gt;file_path[files-&gt;file_num], dir_file-&gt;d_name);
printf(<span class="hl-string">"i: %d, filename: %s\n"</span>, files-&gt;file_num, files-&gt;file_path[files-&gt;file_num]);
files-&gt;file_num ++;
<strong class="hl-keyword">if</strong> (files-&gt;file_num ≥ AUDIO_PLAYER_DEMO_FILE_MAX_NUM)
<strong class="hl-keyword">break</strong>;
}
closedir(dir);
<strong class="hl-keyword">return</strong> <span class="hl-number">0</span>;
}
<strong class="hl-keyword">static</strong> <strong class="hl-keyword">int</strong> read_file(<strong class="hl-keyword">char</strong>* path, <strong class="hl-keyword">struct</strong> audio_file_list *files)
{
<strong class="hl-keyword">int</strong> file_path_len;
file_path_len = strlen(path);
printf(<span class="hl-string">"file_path_len:%d\n"</span>,file_path_len);
<strong class="hl-keyword">if</strong> (file_path_len &gt; AUDIO_PLAYER_DEMO_FILE_PATH_MAX_LEN-<span class="hl-number">1</span>) {
printf(<span class="hl-string">"file_path_len too long \n"</span>);
<strong class="hl-keyword">return</strong> -<span class="hl-number">1</span>;
}
files-&gt;file_path[<span class="hl-number">0</span>] = (<strong class="hl-keyword">char</strong> *)aicos_malloc(MEM_DEFAULT,file_path_len+<span class="hl-number">1</span>);
files-&gt;file_path[<span class="hl-number">0</span>][file_path_len] = <span class="hl-string">'\0'</span>;
strcpy(files-&gt;file_path[<span class="hl-number">0</span>], path);
files-&gt;file_num = <span class="hl-number">1</span>;
printf(<span class="hl-string">"file path: %s\n"</span>, files-&gt;file_path[<span class="hl-number">0</span>]);
<strong class="hl-keyword">return</strong> <span class="hl-number">0</span>;
}
<strong class="hl-keyword">static</strong> <strong class="hl-keyword">int</strong> volume(<strong class="hl-keyword">int</strong>* vol,<strong class="hl-keyword">char</strong> ch)
{
<strong class="hl-keyword">int</strong> volume = *vol;
<strong class="hl-keyword">if</strong> (ch == <span class="hl-string">'+'</span>) {
volume += <span class="hl-number">5</span>;
} <strong class="hl-keyword">else</strong> {
volume -= <span class="hl-number">5</span>;
}
<strong class="hl-keyword">if</strong> (volume &lt; <span class="hl-number">0</span>) {
volume = <span class="hl-number">0</span>;
} <strong class="hl-keyword">else</strong> <strong class="hl-keyword">if</strong> (volume &gt; <span class="hl-number">100</span>) {
volume = <span class="hl-number">100</span>;
}
*vol = volume;
printf(<span class="hl-string">"volum:%d\n"</span>,volume);
<strong class="hl-keyword">return</strong> volume;
}
<strong class="hl-keyword">static</strong> <strong class="hl-keyword">void</strong> show_cpu_usage()
{
#ifdef LPKG_USING_CPU_USAGE
<strong class="hl-keyword">static</strong> <strong class="hl-keyword">int</strong> index = <span class="hl-number">0</span>;
<strong class="hl-keyword">char</strong> data_str[<span class="hl-number">64</span>];
<strong class="hl-keyword">float</strong> value = <span class="hl-number">0.0</span>;
<strong class="hl-keyword">if</strong> (index++ % <span class="hl-number">30</span> == <span class="hl-number">0</span>) {
value = cpu_load_average();
#ifdef AIC_PRINT_FLOAT_CUSTOM
<strong class="hl-keyword">int</strong> cpu_i;
<strong class="hl-keyword">int</strong> cpu_frac;
cpu_i = (<strong class="hl-keyword">int</strong>)value;
cpu_frac = (value - cpu_i) * <span class="hl-number">100</span>;
snprintf(data_str, <strong class="hl-keyword">sizeof</strong>(data_str), <span class="hl-string">"%d.%02d\n"</span>, cpu_i, cpu_frac);
#<strong class="hl-keyword">else</strong>
snprintf(data_str, <strong class="hl-keyword">sizeof</strong>(data_str), <span class="hl-string">"%.2f\n"</span>, value);
#endif
printf(<span class="hl-string">"cpu_loading:%s\n"</span>,data_str);
}
#endif
}
<strong class="hl-keyword">static</strong> <strong class="hl-keyword">void</strong> audio_player_demo(<strong class="hl-keyword">int</strong> argc, <strong class="hl-keyword">char</strong> **argv)
{
<strong class="hl-keyword">int</strong> i,j;
<strong class="hl-keyword">char</strong> ch;
<strong class="hl-keyword">int</strong> vol = <span class="hl-number">80</span>;
<strong class="hl-keyword">int</strong> opt;
<strong class="hl-keyword">int</strong> loop_time = <span class="hl-number">1</span>;
rt_device_t uart_dev = RT_NULL;
<strong class="hl-keyword">struct</strong> mini_audio_player *player = NULL;
<strong class="hl-keyword">struct</strong> audio_file_list files = {<span class="hl-number">0</span>};
uart_dev = rt_device_find(RT_CONSOLE_DEVICE_NAME);
<strong class="hl-keyword">if</strong> (uart_dev == NULL) {
printf(<span class="hl-string">"Failed to open %s\n"</span>, RT_CONSOLE_DEVICE_NAME);
<strong class="hl-keyword">return</strong>;
}
optind = <span class="hl-number">0</span>;
<strong class="hl-keyword">while</strong> (<span class="hl-number">1</span>) {
opt = getopt(argc, argv, <span class="hl-string">"i:t:l:h"</span>);
<strong class="hl-keyword">if</strong> (opt == -<span class="hl-number">1</span>) {
<strong class="hl-keyword">break</strong>;
}
<strong class="hl-keyword">switch</strong> (opt) {
<strong class="hl-keyword">case</strong> <span class="hl-string">'i'</span>:
read_file(optarg,&amp;files);
<strong class="hl-keyword">break</strong>;
<strong class="hl-keyword">case</strong> <span class="hl-string">'l'</span>:
loop_time = atoi(optarg);
<strong class="hl-keyword">break</strong>;
<strong class="hl-keyword">case</strong> <span class="hl-string">'t'</span>:
read_dir(optarg, &amp;files);
<strong class="hl-keyword">break</strong>;
<strong class="hl-keyword">case</strong> <span class="hl-string">'h'</span>:
print_help(argv[<span class="hl-number">0</span>]);
<strong class="hl-keyword">default</strong>:
<strong class="hl-keyword">goto</strong> _exit;
<strong class="hl-keyword">break</strong>;
}
}
<strong class="hl-keyword">if</strong> (files.file_num == <span class="hl-number">0</span>) {
print_help(argv[<span class="hl-number">0</span>]);
printf(<span class="hl-string">"files.file_num ==0 !!!\n"</span>);
<strong class="hl-keyword">goto</strong> _exit;
}
player = mini_audio_player_create();
<strong class="hl-keyword">if</strong> (player == NULL) {
printf(<span class="hl-string">"mini_audio_player_create fail!!!\n"</span>);
<strong class="hl-keyword">goto</strong> _exit;
}
mini_audio_player_set_volume(player,vol);
<strong class="hl-keyword">for</strong>(i = <span class="hl-number">0</span>;i &lt; loop_time; i++) {
<strong class="hl-keyword">for</strong>(j = <span class="hl-number">0</span>; j &lt; files.file_num; j++) {
mini_audio_player_play(player,files.file_path[j]);
printf(<span class="hl-string">"loop:%d,index:%d,path:%s\n"</span>,i,j,files.file_path[j]);
<strong class="hl-keyword">while</strong>(<span class="hl-number">1</span>) {
<strong class="hl-keyword">if</strong> (rt_device_read(uart_dev, -<span class="hl-number">1</span>, &amp;ch, <span class="hl-number">1</span>) == <span class="hl-number">1</span>) {
<strong class="hl-keyword">if</strong> (ch == <span class="hl-string">'s'</span>) {<em class="hl-comment">// stop cur</em>
mini_audio_player_stop(player);
printf(<span class="hl-string">"force stop\n"</span>);
<strong class="hl-keyword">break</strong>;
} <strong class="hl-keyword">else</strong> <strong class="hl-keyword">if</strong> (ch == <span class="hl-string">'+'</span>) {<em class="hl-comment">// volume++</em>
mini_audio_player_set_volume(player,volume(&amp;vol,ch));
} <strong class="hl-keyword">else</strong> <strong class="hl-keyword">if</strong> (ch == <span class="hl-string">'-'</span>) {<em class="hl-comment">// volume--</em>
mini_audio_player_set_volume(player,volume(&amp;vol,ch));
} <strong class="hl-keyword">else</strong> <strong class="hl-keyword">if</strong> (ch == <span class="hl-string">'p'</span>) {<em class="hl-comment">// pause</em>
mini_audio_player_pause(player);
printf(<span class="hl-string">"enter pause\n"</span>);
} <strong class="hl-keyword">else</strong> <strong class="hl-keyword">if</strong> (ch == <span class="hl-string">'r'</span>) {<em class="hl-comment">// resume</em>
mini_audio_player_resume(player);
printf(<span class="hl-string">"resume \n"</span>);
} <strong class="hl-keyword">else</strong> <strong class="hl-keyword">if</strong> (ch == <span class="hl-string">'e'</span>) {<em class="hl-comment">// exit app</em>
printf(<span class="hl-string">"exit app \n"</span>);
<strong class="hl-keyword">goto</strong> _exit;
}
}
<strong class="hl-keyword">if</strong> (mini_audio_player_get_state(player) == MINI_AUDIO_PLAYER_STATE_STOPED) {
printf(<span class="hl-string">"[%s:%d]\n"</span>,__FUNCTION__,__LINE__);
<strong class="hl-keyword">break</strong>;
}
usleep(<span class="hl-number">100</span>*<span class="hl-number">1000</span>);
show_cpu_usage();
}
}
}
_exit:
<strong class="hl-keyword">if</strong> (player) {
mini_audio_player_destroy(player);
player = NULL;
}
<strong class="hl-keyword">for</strong>(i = <span class="hl-number">0</span>; i &lt;files.file_num ;i++) {
<strong class="hl-keyword">if</strong> (files.file_path[i]) {
aicos_free(MEM_DEFAULT,files.file_path[i]);
}
}
}
MSH_CMD_EXPORT_ALIAS(audio_player_demo, audio_player_demo, audio player demo);</pre></div>
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