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<title>ALSA project - the C library reference: /home/qateam/rpm/BUILD/alsa-lib-1.0.23/src/hwdep/hwdep.c File Reference</title>
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<h1>/home/qateam/rpm/BUILD/alsa-lib-1.0.23/src/hwdep/hwdep.c File Reference</h1>
<p>HwDep Interface (hardware dependent).
<a href="#_details">More...</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#gaade8a9030fadb398fdb6d139f360f07e">snd_hwdep_open</a> (<a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> **hwdep, const char *name, int mode)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Opens a new connection to the HwDep interface. <a href="group___hw_dep.html#gaade8a9030fadb398fdb6d139f360f07e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="hwdep_8c.html#a162c6ca2e4c9f9dc6dd65a987ca6b118">snd_hwdep_open_lconf</a> (<a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> **hwdep, const char *name, int mode, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *lconf)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Opens a new connection to the HwDep interface using local configuration. <a href="#a162c6ca2e4c9f9dc6dd65a987ca6b118"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga35ba1e894c069b37012604abf1432314">snd_hwdep_close</a> (<a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> *hwdep)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">close HwDep handle <a href="group___hw_dep.html#ga35ba1e894c069b37012604abf1432314"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="hwdep_8c.html#a26ee56a9b3711414ce6687e8dc0ea646">snd_hwdep_name</a> (<a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> *hwdep)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get identifier of HwDep handle <a href="#a26ee56a9b3711414ce6687e8dc0ea646"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___hw_dep.html#ga839de1d3a2bf9495cc631c08099bca79">snd_hwdep_type_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="hwdep_8c.html#a4f94fc58c4ee20fd845eb11df435107a">snd_hwdep_type</a> (<a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> *hwdep)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get type of HwDep handle <a href="#a4f94fc58c4ee20fd845eb11df435107a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="hwdep_8c.html#acc4e48e9d9fa90fb5e35b3502cfe6f7f">snd_hwdep_poll_descriptors_count</a> (<a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> *hwdep)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get count of poll descriptors for HwDep handle <a href="#acc4e48e9d9fa90fb5e35b3502cfe6f7f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga179b89384deb4c5a76b7017e6ba6af88">snd_hwdep_poll_descriptors</a> (<a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> *hwdep, struct pollfd *pfds, unsigned int space)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get poll descriptors <a href="group___hw_dep.html#ga179b89384deb4c5a76b7017e6ba6af88"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga654b2c89f1e6bc16e590161340f1e3d9">snd_hwdep_poll_descriptors_revents</a> (<a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> *hwdep, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get returned events from poll descriptors <a href="group___hw_dep.html#ga654b2c89f1e6bc16e590161340f1e3d9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga6eaa5f13367625587fdd955fb4cb4c51">snd_hwdep_nonblock</a> (<a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> *hwdep, int nonblock)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">set nonblock mode <a href="group___hw_dep.html#ga6eaa5f13367625587fdd955fb4cb4c51"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#gad39906514d5d04b7ebcc190382b8bd27">snd_hwdep_info_sizeof</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get size of the snd_hwdep_info_t structure in bytes <a href="group___hw_dep.html#gad39906514d5d04b7ebcc190382b8bd27"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#gab6831cd666bea427ab3779710e90a857">snd_hwdep_info_malloc</a> (<a class="el" href="group___hw_dep.html#ga12be97323a913a065524c01fb163cb29">snd_hwdep_info_t</a> **info)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">allocate a new snd_hwdep_info_t structure <a href="group___hw_dep.html#gab6831cd666bea427ab3779710e90a857"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga9e19ef5118f808962689c3d947af1a00">snd_hwdep_info_free</a> (<a class="el" href="group___hw_dep.html#ga12be97323a913a065524c01fb163cb29">snd_hwdep_info_t</a> *info)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">frees the snd_hwdep_info_t structure <a href="group___hw_dep.html#ga9e19ef5118f808962689c3d947af1a00"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga3132936fc99968e59df02711d2927018">snd_hwdep_info_copy</a> (<a class="el" href="group___hw_dep.html#ga12be97323a913a065524c01fb163cb29">snd_hwdep_info_t</a> *dst, const <a class="el" href="group___hw_dep.html#ga12be97323a913a065524c01fb163cb29">snd_hwdep_info_t</a> *src)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">copy one snd_hwdep_info_t structure to another <a href="group___hw_dep.html#ga3132936fc99968e59df02711d2927018"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga04193d4395908c0e31ac826ac05d3824">snd_hwdep_info_get_card</a> (const <a class="el" href="group___hw_dep.html#ga12be97323a913a065524c01fb163cb29">snd_hwdep_info_t</a> *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get hwdep card number <a href="group___hw_dep.html#ga04193d4395908c0e31ac826ac05d3824"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga23deebecc5e88b0124222ebf73999c24">snd_hwdep_info_get_device</a> (const <a class="el" href="group___hw_dep.html#ga12be97323a913a065524c01fb163cb29">snd_hwdep_info_t</a> *info)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get hwdep device number <a href="group___hw_dep.html#ga23deebecc5e88b0124222ebf73999c24"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga80bb1ca217fa051086e7f2ab5821ee34">snd_hwdep_info_get_id</a> (const <a class="el" href="group___hw_dep.html#ga12be97323a913a065524c01fb163cb29">snd_hwdep_info_t</a> *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get hwdep driver identifier <a href="group___hw_dep.html#ga80bb1ca217fa051086e7f2ab5821ee34"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#gaf7f6251acc0f26d6fefc2c28fcf90c6a">snd_hwdep_info_get_name</a> (const <a class="el" href="group___hw_dep.html#ga12be97323a913a065524c01fb163cb29">snd_hwdep_info_t</a> *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get hwdep driver name <a href="group___hw_dep.html#gaf7f6251acc0f26d6fefc2c28fcf90c6a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___hw_dep.html#ga288eb9342aaea8317a7bfa03b22feaca">snd_hwdep_iface_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga7d846bea699c0917f54d75fe5d76a58e">snd_hwdep_info_get_iface</a> (const <a class="el" href="group___hw_dep.html#ga12be97323a913a065524c01fb163cb29">snd_hwdep_info_t</a> *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get hwdep protocol interface <a href="group___hw_dep.html#ga7d846bea699c0917f54d75fe5d76a58e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga5f497ef1c3a675af203923d93eda4202">snd_hwdep_info_set_device</a> (<a class="el" href="group___hw_dep.html#ga12be97323a913a065524c01fb163cb29">snd_hwdep_info_t</a> *obj, unsigned int val)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">set hwdep device number <a href="group___hw_dep.html#ga5f497ef1c3a675af203923d93eda4202"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga97f208875f4ec6a253f088e3c2c084c1">snd_hwdep_info</a> (<a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> *hwdep, <a class="el" href="group___hw_dep.html#ga12be97323a913a065524c01fb163cb29">snd_hwdep_info_t</a> *info)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get information about HwDep handle <a href="group___hw_dep.html#ga97f208875f4ec6a253f088e3c2c084c1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga74f5260b0f5f779932bfe7afcf68ecb1">snd_hwdep_ioctl</a> (<a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> *hwdep, unsigned int request, void *arg)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">do hardware dependent ioctl <a href="group___hw_dep.html#ga74f5260b0f5f779932bfe7afcf68ecb1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">ssize_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga4c158ce0db68b8bfac1a00abe5e2ffcd">snd_hwdep_write</a> (<a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> *hwdep, const void *buffer, size_t size)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">write bytes using HwDep handle <a href="group___hw_dep.html#ga4c158ce0db68b8bfac1a00abe5e2ffcd"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">ssize_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga7ef0c6e7ae7b838d509dd09b800b321f">snd_hwdep_read</a> (<a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> *hwdep, void *buffer, size_t size)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">read bytes using HwDep handle <a href="group___hw_dep.html#ga7ef0c6e7ae7b838d509dd09b800b321f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#gaf071b6171019a11a72367cc7f9613f5d">snd_hwdep_dsp_status</a> (<a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> *hwdep, <a class="el" href="group___hw_dep.html#ga904ac34d4d2af6c080aa01d9d70f6ef2">snd_hwdep_dsp_status_t</a> *info)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get the DSP status information <a href="group___hw_dep.html#gaf071b6171019a11a72367cc7f9613f5d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga7316c8ce8d4ba06b58e6536e3cf96223">snd_hwdep_dsp_load</a> (<a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> *hwdep, <a class="el" href="group___hw_dep.html#ga041c777902d3888a5b000ccd305f32ce">snd_hwdep_dsp_image_t</a> *block)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">load the DSP block <a href="group___hw_dep.html#ga7316c8ce8d4ba06b58e6536e3cf96223"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga54205faff69bdd35b996863094bafada">snd_hwdep_dsp_status_sizeof</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get size of the snd_hwdep_dsp_status_t structure in bytes <a href="group___hw_dep.html#ga54205faff69bdd35b996863094bafada"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga444c5bd71b0a3756084450dfb7528c6d">snd_hwdep_dsp_status_malloc</a> (<a class="el" href="group___hw_dep.html#ga904ac34d4d2af6c080aa01d9d70f6ef2">snd_hwdep_dsp_status_t</a> **info)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">allocate a new snd_hwdep_dsp_status_t structure <a href="group___hw_dep.html#ga444c5bd71b0a3756084450dfb7528c6d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#gaa7d3a0f8f01805b10342581893e9671e">snd_hwdep_dsp_status_free</a> (<a class="el" href="group___hw_dep.html#ga904ac34d4d2af6c080aa01d9d70f6ef2">snd_hwdep_dsp_status_t</a> *info)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">frees the snd_hwdep_dsp_status_t structure <a href="group___hw_dep.html#gaa7d3a0f8f01805b10342581893e9671e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#gacc06c08ac09beec6b50fddf5496ce25b">snd_hwdep_dsp_status_copy</a> (<a class="el" href="group___hw_dep.html#ga904ac34d4d2af6c080aa01d9d70f6ef2">snd_hwdep_dsp_status_t</a> *dst, const <a class="el" href="group___hw_dep.html#ga904ac34d4d2af6c080aa01d9d70f6ef2">snd_hwdep_dsp_status_t</a> *src)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">copy one snd_hwdep_dsp_status_t structure to another <a href="group___hw_dep.html#gacc06c08ac09beec6b50fddf5496ce25b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga52f6b403c2a4947c647043fdd7c5dbf7">snd_hwdep_dsp_status_get_version</a> (const <a class="el" href="group___hw_dep.html#ga904ac34d4d2af6c080aa01d9d70f6ef2">snd_hwdep_dsp_status_t</a> *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get the driver version of dsp loader <a href="group___hw_dep.html#ga52f6b403c2a4947c647043fdd7c5dbf7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga3f62477a689ef9e84048f7ba8e33a792">snd_hwdep_dsp_status_get_id</a> (const <a class="el" href="group___hw_dep.html#ga904ac34d4d2af6c080aa01d9d70f6ef2">snd_hwdep_dsp_status_t</a> *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get the driver id of dsp loader <a href="group___hw_dep.html#ga3f62477a689ef9e84048f7ba8e33a792"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#gac49bce861455b700ba79c3eb9f73aae9">snd_hwdep_dsp_status_get_num_dsps</a> (const <a class="el" href="group___hw_dep.html#ga904ac34d4d2af6c080aa01d9d70f6ef2">snd_hwdep_dsp_status_t</a> *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get number of dsp blocks <a href="group___hw_dep.html#gac49bce861455b700ba79c3eb9f73aae9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga6c5e57aaf95a248814897bd80e12edf4">snd_hwdep_dsp_status_get_dsp_loaded</a> (const <a class="el" href="group___hw_dep.html#ga904ac34d4d2af6c080aa01d9d70f6ef2">snd_hwdep_dsp_status_t</a> *info)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get the bit flags of the loaded dsp blocks <a href="group___hw_dep.html#ga6c5e57aaf95a248814897bd80e12edf4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#gaf49d8044583b6f0c890bbb6a493734e8">snd_hwdep_dsp_status_get_chip_ready</a> (const <a class="el" href="group___hw_dep.html#ga904ac34d4d2af6c080aa01d9d70f6ef2">snd_hwdep_dsp_status_t</a> *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get the chip status of dsp loader <a href="group___hw_dep.html#gaf49d8044583b6f0c890bbb6a493734e8"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga8a5e773b145d973ea5c75057974a371d">snd_hwdep_dsp_image_sizeof</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get size of the snd_hwdep_dsp_image_t structure in bytes <a href="group___hw_dep.html#ga8a5e773b145d973ea5c75057974a371d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#gacf44ffc69400d7d195809c18cb71f89d">snd_hwdep_dsp_image_malloc</a> (<a class="el" href="group___hw_dep.html#ga041c777902d3888a5b000ccd305f32ce">snd_hwdep_dsp_image_t</a> **info)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">allocate a new snd_hwdep_dsp_image_t structure <a href="group___hw_dep.html#gacf44ffc69400d7d195809c18cb71f89d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga95c9c00e3b9b20ba6a92ac9d14c5cfdd">snd_hwdep_dsp_image_free</a> (<a class="el" href="group___hw_dep.html#ga041c777902d3888a5b000ccd305f32ce">snd_hwdep_dsp_image_t</a> *info)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">frees the snd_hwdep_dsp_image_t structure <a href="group___hw_dep.html#ga95c9c00e3b9b20ba6a92ac9d14c5cfdd"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga4178c718645804dffde98bf210e447b5">snd_hwdep_dsp_image_copy</a> (<a class="el" href="group___hw_dep.html#ga041c777902d3888a5b000ccd305f32ce">snd_hwdep_dsp_image_t</a> *dst, const <a class="el" href="group___hw_dep.html#ga041c777902d3888a5b000ccd305f32ce">snd_hwdep_dsp_image_t</a> *src)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">copy one snd_hwdep_dsp_image_t structure to another <a href="group___hw_dep.html#ga4178c718645804dffde98bf210e447b5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#gada5fa0eaa5a4a941dc5b79ae1897db76">snd_hwdep_dsp_image_get_index</a> (const <a class="el" href="group___hw_dep.html#ga041c777902d3888a5b000ccd305f32ce">snd_hwdep_dsp_image_t</a> *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get the DSP block index <a href="group___hw_dep.html#gada5fa0eaa5a4a941dc5b79ae1897db76"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga025e4656f44f73d8c372b8b10285f202">snd_hwdep_dsp_image_get_name</a> (const <a class="el" href="group___hw_dep.html#ga041c777902d3888a5b000ccd305f32ce">snd_hwdep_dsp_image_t</a> *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get the name of the DSP block <a href="group___hw_dep.html#ga025e4656f44f73d8c372b8b10285f202"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#gaf6087e4530245055c8cceaa74df629aa">snd_hwdep_dsp_image_get_length</a> (const <a class="el" href="group___hw_dep.html#ga041c777902d3888a5b000ccd305f32ce">snd_hwdep_dsp_image_t</a> *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get the length of the DSP block <a href="group___hw_dep.html#gaf6087e4530245055c8cceaa74df629aa"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const void * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga330539511a4fe2936351b34a26cf96ff">snd_hwdep_dsp_image_get_image</a> (const <a class="el" href="group___hw_dep.html#ga041c777902d3888a5b000ccd305f32ce">snd_hwdep_dsp_image_t</a> *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get the image pointer of the DSP block <a href="group___hw_dep.html#ga330539511a4fe2936351b34a26cf96ff"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga6e93c88a4595ac0915211dca5f46ab72">snd_hwdep_dsp_image_set_index</a> (<a class="el" href="group___hw_dep.html#ga041c777902d3888a5b000ccd305f32ce">snd_hwdep_dsp_image_t</a> *obj, unsigned int index)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">set the DSP block index <a href="group___hw_dep.html#ga6e93c88a4595ac0915211dca5f46ab72"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#gab6529c1bf1aba5bf2abdbbf157a4e9e0">snd_hwdep_dsp_image_set_name</a> (<a class="el" href="group___hw_dep.html#ga041c777902d3888a5b000ccd305f32ce">snd_hwdep_dsp_image_t</a> *obj, const char *name)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">set the name of the DSP block <a href="group___hw_dep.html#gab6529c1bf1aba5bf2abdbbf157a4e9e0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga6de5750e29632c68af2648dcb11a1429">snd_hwdep_dsp_image_set_length</a> (<a class="el" href="group___hw_dep.html#ga041c777902d3888a5b000ccd305f32ce">snd_hwdep_dsp_image_t</a> *obj, size_t length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">set the DSP block length <a href="group___hw_dep.html#ga6de5750e29632c68af2648dcb11a1429"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___hw_dep.html#ga3da9921e2aab7ab9ed91a39c4f3f6a0f">snd_hwdep_dsp_image_set_image</a> (<a class="el" href="group___hw_dep.html#ga041c777902d3888a5b000ccd305f32ce">snd_hwdep_dsp_image_t</a> *obj, void *image)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">set the DSP block image pointer <a href="group___hw_dep.html#ga3da9921e2aab7ab9ed91a39c4f3f6a0f"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>HwDep Interface (hardware dependent). </p>
<dl class="author"><dt><b>Author:</b></dt><dd>Jaroslav Kysela <<a href="mailto:perex@perex.cz">perex@perex.cz</a>> </dd></dl>
<dl class="date"><dt><b>Date:</b></dt><dd>2000-2001</dd></dl>
<p>HwDep (hardware dependent) Interface is designed for individual hardware access. This interface does not cover any API specification. </p>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a26ee56a9b3711414ce6687e8dc0ea646"></a><!-- doxytag: member="hwdep.c::snd_hwdep_name" ref="a26ee56a9b3711414ce6687e8dc0ea646" args="(snd_hwdep_t *hwdep)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">const char* snd_hwdep_name </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> * </td>
<td class="paramname"> <em>hwdep</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>get identifier of HwDep handle </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>hwdep</em> </td><td>a Hwdep handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>ascii identifier of HwDep handle</dd></dl>
<p>Returns the ASCII identifier of given HwDep handle. It's the same identifier specified in <a class="el" href="group___hw_dep.html#gaade8a9030fadb398fdb6d139f360f07e" title="Opens a new connection to the HwDep interface.">snd_hwdep_open()</a>. </p>
</div>
</div>
<a class="anchor" id="a162c6ca2e4c9f9dc6dd65a987ca6b118"></a><!-- doxytag: member="hwdep.c::snd_hwdep_open_lconf" ref="a162c6ca2e4c9f9dc6dd65a987ca6b118" args="(snd_hwdep_t **hwdep, const char *name, int mode, snd_config_t *lconf)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">int snd_hwdep_open_lconf </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> ** </td>
<td class="paramname"> <em>hwdep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>mode</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>lconf</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
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</div>
<div class="memdoc">
<p>Opens a new connection to the HwDep interface using local configuration. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>hwdep</em> </td><td>Returned handle (NULL if not wanted) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>name</em> </td><td>ASCII identifier of the HwDep handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>mode</em> </td><td>Open mode </td></tr>
<tr><td valign="top"></td><td valign="top"><em>lconf</em> </td><td>The local configuration tree </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code</dd></dl>
<p>Opens a new connection to the HwDep interface specified with an ASCII identifier and mode. </p>
</div>
</div>
<a class="anchor" id="acc4e48e9d9fa90fb5e35b3502cfe6f7f"></a><!-- doxytag: member="hwdep.c::snd_hwdep_poll_descriptors_count" ref="acc4e48e9d9fa90fb5e35b3502cfe6f7f" args="(snd_hwdep_t *hwdep)" -->
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<div class="memproto">
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<td class="memname">int snd_hwdep_poll_descriptors_count </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> * </td>
<td class="paramname"> <em>hwdep</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>get count of poll descriptors for HwDep handle </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>hwdep</em> </td><td>HwDep handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>count of poll descriptors </dd></dl>
</div>
</div>
<a class="anchor" id="a4f94fc58c4ee20fd845eb11df435107a"></a><!-- doxytag: member="hwdep.c::snd_hwdep_type" ref="a4f94fc58c4ee20fd845eb11df435107a" args="(snd_hwdep_t *hwdep)" -->
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<td class="memname"><a class="el" href="group___hw_dep.html#ga839de1d3a2bf9495cc631c08099bca79">snd_hwdep_type_t</a> snd_hwdep_type </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___hw_dep.html#ga1f13b151f43d06b257c71570010b2ed0">snd_hwdep_t</a> * </td>
<td class="paramname"> <em>hwdep</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>get type of HwDep handle </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>hwdep</em> </td><td>a HwDep handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>type of HwDep handle</dd></dl>
<p>Returns the type <a class="el" href="group___hw_dep.html#ga839de1d3a2bf9495cc631c08099bca79">snd_hwdep_type_t</a> of given HwDep handle. </p>
</div>
</div>
</div>
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