雖然這篇Snd_pcm_hw_params鄉民發文沒有被收入到精華區：在Snd_pcm_hw_params這個話題中，我們另外找到其它相關的精選爆讚文章
[爆卦]Snd_pcm_hw_params是什麼？優點缺點精華區懶人包
你可能也想看看
搜尋相關網站
-
#1the C library reference: PCM Interface - ALSA project
int, snd_pcm_hw_params (snd_pcm_t *pcm, snd_pcm_hw_params_t *params). Install one PCM hardware configuration chosen from a configuration space and ...
-
#2snd_pcm_hw_params identifier - Linux source code (v4.2)
Elixir Cross Referencer - Explore source code in your browser - Particularly useful for the Linux kernel and other low-level projects in C/C++ (bootloaders, ...
-
#3C++ snd_pcm_hw_params函數代碼示例 - 純淨天空
在下文中一共展示了snd_pcm_hw_params函數的20個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於我們的係統推薦出更棒 ...
-
#4snd_pcm_hw_params Struct Reference - Linux Kernel
... Enumerations Enumerator Macros Groups Pages. Data Fields. snd_pcm_hw_params Struct Reference. #include <asound.h>. Data Fields. unsigned int · flags.
-
#5How to properly set up ALSA device - Stack Overflow
... (unsigned long)size); } /* Write the parameters to the driver */ rc = snd_pcm_hw_params(handle, params); if (rc < 0) { fprintf(stderr, ...
-
#6C++ (Cpp) snd_pcm_hw_params Examples - HotExamples
C++ (Cpp) snd_pcm_hw_params - 30 examples found. These are the top rated real world C++ (Cpp) examples of snd_pcm_hw_params extracted from open source ...
-
#7Android音频驱动-ASOC之PCM HW Params - 台部落
... struct snd_pcm_info info; struct snd_pcm_hw_params params; struct snd_pcm_sw_params sparams; char fn[256]; int rc; pcm = calloc(1, ...
-
#8ALSA聲音編程介紹 - 立你斯學習記錄
其實只有當我們調用函數snd_pcm_hw_params後，硬體參數才會起作用。 程式的剩餘部分獲得並列印一些PCM流參數，包括週期和緩衝區大小。結果可能會因為聲音硬體的不同而 ...
-
#9snd_pcm_hw_params failed: File descriptor in bad state".
OBSOLETE. Fix "audio_alsa_sink[hw:0,0]: snd_pcm_hw_params failed: File descriptor in bad state". - gr-audio-alsa.diff.
-
#10snd_pcm_hw_params Struct Reference - alsa-driver - Fossies
alsa-driver 1.0.25. About: ALSA (Advanced Linux Sound Architecture) - Driver. Hint: This package is now obsolete, as kernel.org is now taking updates to the ...
-
#11fireworks/bebob/dice/oxfw: fix substreams counting at vmalloc ...
struct snd_pcm_hw_params *hw_params). {. struct snd_bebob *bebob = substream->private_data;. int err;. err = snd_pcm_lib_alloc_vmalloc_buffer(substream,.
-
#12ALSA子系统（四）------Tinyplay流程分析 - CSDN博客
将配置空间减少到实际需要的配置之后，接下来才调用snd_pcm_hw_params()（SNDRV_PCM_IOCTL_HW_PARAMS）来实际为这些参数配置设备。 //include/uapi/sound/ ...
-
#13为什么我的库中的全局变量不更新？(使用ALSA LIB) - 问答
... params, &frames, &dir); /* Write the parameters to the driver */ rc = snd_pcm_hw_params(handle, params); if (rc < 0) { fprintf(stderr, ...
-
#14snd_pcm_hw_params_free() immediately after ...
call snd_pcm_hw_params_free immediately after snd_pcm_hw_params() Is this a bug of snd_pcm_hw_params_free() not change the state of the. PCM stream ?
-
#15WARNING in snd_pcm_hw_params - Google Groups
snd_pcm_hw_params +0x65a/0x1e20 sound/core/pcm_native.c:672. Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 4468 Comm: syzkaller371267 Not ...
-
#16libalsa-intf/alsa_audio.h - platform/hardware/qcom/audio
struct snd_pcm_hw_params *hw_p;. struct snd_pcm_sw_params *sw_p;. struct snd_pcm_sync_ptr *sync_ptr;. struct snd_pcm_channel_info ch[2];. void *addr;.
-
#17pcm_params.h source code [linux/include/sound/pcm_params.h]
28, struct snd_pcm_hw_params * params ,. 29, snd_pcm_hw_param_t var , int * dir );. 30, int snd_pcm_hw_param_last (struct snd_pcm_substream * pcm ,.
-
#18使用alsa庫播放pcm音訊資料
... 設定取樣率*/ int val = 44100; snd_pcm_hw_params_set_rate_near(handle,params,&val,0); /* 將引數寫入裝置*/ rc = snd_pcm_hw_params(handle, ...
-
#19ALSA: snd_pcm_hw_params() failure - Invalid argument
ALSA: snd_pcm_hw_params() failure - Invalid argument ... cause is to print out the actual value of the error from 'err = snd_pcm_hw_params.
-
#20alsa 用户空间编程【转】 - 请给我倒杯茶- 博客园
设置hw_params; ret = snd_pcm_hw_params(playback_handle, hw_params);; if (ret < 0) {; perror("snd_pcm_hw_params");; exit(1);; } ...
-
#21The ALSA Driver API — The Linux Kernel documentation
struct snd_pcm_substream * pcm: PCM instance; struct snd_pcm_hw_params * params: the hw_params instance; snd_pcm_hw_param_t var: parameter to retrieve ...
-
#22pcm.rs.html -- source - Docs.rs
(snd_pcm_hw_params(self.0, h.0)).map(|_| ()) } /// Retreive current PCM hardware configuration. pub fn hw_params_current<'a>(&'a self) ...
-
#23snd_pcm_hw_params failed - Help - Volumio
When I listen it, sometimes happened trouble: “failed to open alsa error opening ALSA device hw5,0 snd_pcm_hw_params failed” What is It?
-
#24snd_pcm_hw_params() did not return error — ALSA Devel
[ALSA - lib 0002238]: snd_pcm_hw_params() did not return error — ALSA Devel.
-
#25笔记： C 音频采集捕捉的小实验 - 知乎专栏
frames = 32; snd_pcm_hw_params_set_period_size_near(handle, params, &frames, &dir); /* Write the parameters to the driver */ rc = snd_pcm_hw_params(handle, ...
-
#26Copyright 2010, The Android Open-Source Project ...
... <= SNDRV_PCM_HW_PARAM_LAST_INTERVAL); } static inline struct snd_interval *param_to_interval(struct snd_pcm_hw_params *p, int n) { return &(p->intervals[n ...
-
#27alsa_pcm.c - Gerrit Code Review
void param_dump (struct snd_pcm_hw_params *p) {} ... int param_set_hw_refine (struct pcm *pcm, struct snd_pcm_hw_params *params).
-
#28Linux v5.16-rc8 - include/sound/pcm_params.h
... Bagnara <[email protected]> */ #include <sound/pcm.h> int snd_pcm_hw_param_first(struct snd_pcm_substream *pcm, struct snd_pcm_hw_params *params, ...
-
#29Full Code Example
... struct snd_pcm_hw_params *hw_params) { return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); } /* hw_free callback */ static int ...
-
#30ALSA project - the C library reference: PCM Interface
Retreive current PCM hardware configuration chosen with snd_pcm_hw_params. int, snd_pcm_hw_params (snd_pcm_t *pcm, snd_pcm_hw_params_t *params).
-
#31Android音频驱动-ASOC之PCM HW Params_Vincentywj的博客
... struct pcm_config *config) { struct pcm *pcm; struct snd_pcm_info info; struct snd_pcm_hw_params params; struct snd_pcm_sw_params sparams; char fn[256]; ...
-
#32SOF: match SSP config with pcm hw params · c943a586f6 - linux
static void ssp_dai_config_pcm_params_match(struct snd_sof_dev *sdev, const char *link_name,. struct snd_pcm_hw_params *params).
-
#33ALSA子系统（十三）------snd_pcm_hw_refine硬件参数重定义
... empty:1; } int snd_pcm_hw_refine(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { unsigned int k; struct snd_pcm_hardware *hw; ...
-
#34C++ (Cpp) snd_pcm_sw_params_current Example - itcodet
... snd_pcm_hw_params_t *params, snd_pcm_sw_params_t *swparams, const char *id) { int err; snd_pcm_uframes_t val; if ((err = snd_pcm_hw_params(handle, ...
-
#35Merge branch 'topic/pcm-params' into for-next - mcwhirter.io ...
-857,7 +854,7 @@ static inline unsigned int params_channels(const struct snd_pcm_hw_params *p). } /**. * params_channels - Get the sample rate from the hw ...
-
#36自定義ALSA驅動程式不執行struct snd_pcm_ops中的開啟功能
... /*snd_pcm_lib_ioctl();*/ static int snd_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params); ...
-
#37alsa sample rate跟踪<2>_江风的专栏-程序员秘密
2、以及snd_pcm_hw_params和几处单独的_snd_pcm_hw_params是如何被调用的。 先看看第一话题。 snd_pcm_hw_hw_params： 经过前面分析可知，snd_pcm_hw_hw_params赋值给 ...
-
#38Snd_Pcm_Hw_Params Any Source - Blogger.com
Snd_Pcm_Hw_Params Any Source. snd_ pcm_hw_params _ any ( snd_pcm_t *pcm, snd_ pcm_hw_params _t *params) Fill params with a full ...
-
#39使用alsa库播放pcm音频数据 - 文章整合
... 设置采样率*/ int val = 44100; snd_pcm_hw_params_set_rate_near(handle,params,&val,0); /* 将参数写入设备*/ rc = snd_pcm_hw_params(handle, ...
-
#40经典ALSA音频读取通过UDP局域网播放 - 简书
snd_pcm_hw_params (*handle,params);. //9.分配一个周期空间. //获取一个周期的帧数. snd_pcm_hw_params_get_period_size(params, frame, 0);.
-
#41openwrt 音頻開發 - GetIt01
int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); int (*hw_free)(struct snd_pcm_substream *);
-
#42Tracepoints in ALSA PCM core
The parameters are described in struct snd_pcm_hw_params . This structure includes several types of parameters.
-
#43执行tplayerdemo 01-1080P-HEVC-AAC-60F.mkv - 全志在线 ...
... TLOGE("snd_pcm_hw_params failed:%s",strerror(errno)); ERROR : tsoundcontrol : snd_pcm_hw_params failed:Connection timed out...
-
#44Linux-Kernel Archive: Re: [PATCH 2/3 v2] ALSA: usb-audio
ALSA PCM core in kernel land doesn't perform like this. In alsa-lib, 'snd_pcm_hw_params()' calls 'snd_pcm_hw_params_internal()' and ...
-
#45PCM音频设备的操作 - 51CTO博客
snd_pcm_hw_params ( ) 从设备配置空间选择一个配置，让函数snd_pcm_prepare() 准备好PCM 设备，以便写入PCM 数据。snd_pcm_writei() 用来把交错的音频数据 ...
-
#46浅析alsa声卡驱动snd_pcm_hw_param_mask函数 - ChinaUnix ...
struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var, const struct snd_mask *val) { int changed = _snd_pcm_hw_param_mask(params, var, ...
-
#47audio_alsa.c - Red Hat People
if ((err = snd_pcm_hw_params(ai->handle, pp)) < 0) { fprintf(stderr, "snd_pcm_hw_params failed: %s\n", snd_strerror(err)); /* Not fatal for partial settings ...
-
#48Linux ALSA (Advanced Linux Sound Architecture) - 代码交流
... &dir); 66 67 /* Write the parameters to the driver */ 68 /* 参数生效*/ 69 rc = snd_pcm_hw_params(handle, params); 70 if (rc < 0) { 71 fprintf(stderr, ...
-
#49openwrt 音頻開發 - 雪花台湾
int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); int (*hw_free)(struct snd_pcm_substream *);
-
#50[pulseaudio-discuss] lots of retry on failure of hw_params ...
I: [pulseaudio] alsa-util.c: snd_pcm_hw_params failed: Invalid argument I: [pulseaudio] alsa-util.c: Failed to set hardware parameters on ...
-
#51浅析alsa声卡驱动snd_pcm_hw_param_mask函数_海纳百川
static int snd_pcm_hw_param_mask(struct snd_pcm_substream *pcm, struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var, const struct snd_mask *v.
-
#52Playing audio wave file in RHEL6 using inbuilt ALSA library
Further I have set up the PCM hardware & Software params using 'snd_pcm_hw_params(PCM, params)' & 'snd_pcm_sw_params_current(PCM, ...
-
#53pcm: Fix snd_pcm_hw_params struct copy in compat mode
commit 43c54b8c7cfe22f868a751ba8a59abf1724160b1 upstream. This reverts one hunk of commit ef44a1ec6eee ("ALSA: sound/core: use ...
-
#54snd_pcm_hw_params - おなかすいたWiki！
snd_pcm_hw_params. Top / snd_pcm_hw_params. Install one PCM hardware configuration chosen from a configuration space and snd_pcm_prepare it.
-
#55openwrt 音频开发 - ITPub博客
int (*hw_params)( struct snd_pcm_substream *, struct snd_pcm_hw_params *); int (*hw_free)( struct snd_pcm_substream *);
-
#560ad no sound after Alsa libasound2 update. - openSUSE ...
... snd_pcm_hw_params_set_buffer_time_near failed: Invalid argument AL lib: (EE) ALCplaybackAlsa_reset: snd_pcm_hw_params(self->pcmHandle, ...
-
#57Sound Devices — The Linux Kernel documentation - Intel ...
const struct snd_pcm_hw_params * p: hw params. int snd_pcm_hw_constraint_single (struct snd_pcm_runtime * runtime, snd_pcm_hw_param_t var, unsigned int val) ...
-
#58Release 4.7 sound/soc/soc-utils.c - cregit-Linux
int snd_soc_params_to_bclk(struct snd_pcm_hw_params *params) { int ret; ret = snd_soc_params_to_frame_size(params); if (ret > 0) return ret ...
-
#59Linux/include/sound/pcm.h
... 58 struct snd_pcm_hw_params *params); 59 int (*hw_free)(struct snd_pcm_substream *substream); 60 int (*prepare)(struct snd_pcm_substream *substream); 61 ...
-
#60Alsa Audio Capture - 史丹利部落格
... params, &frames, &dir); /* Write the parameters to the driver */ rc = snd_pcm_hw_params(handle, params); if (rc < 0) { fprintf(stderr, ...
-
#61linux alsa pcm play sound - Katastros
Set hw_params ret = snd_pcm_hw_params(playback_handle, hw_params); if (ret <0) { perror("snd_pcm_hw_params"); exit(1); } /* Use a buffer large enough to ...
-
#62Merge pull request #275 from desttinghim/invalid-params-fix
if let Err(e) = check_errors(alsa::snd_pcm_hw_params(pcm_handle, hw_params.0)) {. return Err("Hardware params could not be set.".to_string());. }.
-
#63alsa驱动分析之二 - 360doc个人图书馆
2， param 设置，这个就是snd_pcm_hw_params;. 3， 上层的alsa 在设置param 的成功以后或者出错的时候恢复都需要调用snd_pcm_prepare;.
-
#64camilladsp #114 - Alsa issue: Playback error - githubmemory
Alsa issue: Playback error: ALSA function 'snd_pcm_hw_params' failed with error 'EBUSY: Device or resource busy', module: camilladsp.
-
#65linux alsa同時播放兩個聲音問題求解？？？ - 开发者知识库
rc = snd_pcm_hw_params(handle,params); while (1) { if (msgrcv(msg_id, (void *)&wav_msg, sizeof(struct wav_msg_t) - sizeof(long int), 0, ...
-
#66Problems with sound configuration after upgrade. / Newbie ...
ALSA error: snd_pcm_hw_params failed: Invalid argument. Also, I am not sure if pulseaudio is started correctly with system startup.
-
#67Linux高级程序设计（第三版） - Google 圖書結果
... snd_pcm_hw_params_set_rate_near ( handle , params , & val , & dir ) ; / * Write the parameters to the driver * / snd_pcm_hw_params ( handle , params ) ...
-
#68Linux Sound Programming - 第 50 頁 - Google 圖書結果
... char *argv[]) { int i; int err; int buf[128]; snd pcm_t *playback_handle; Snd_pcm_hw_params to *.hw_params; FILE *fin; size t nread; unsigned int rate ...
-
#69Game Audio Programming 2: Principles and Practices
... channels ) ; snd_pcm_hw_params ( handle_ , hardware_params ) ; snd_pcm_sw_params_t * software_params ; snd_pcm_sw_params_alloca ( & software_params ) ...
-
#70Mastering Linux Device Driver Development: Write custom ...
struct snd_pcm_hw_params int (*hw_free)(struct snd_pcm_substream *); int (*prepare)(struct snd_pcm_substream *); int (*trigger)(struct snd_pcm_substream * ...
-
#71linux - 将参数从Alsa应用程序传递到内核驱动程序 - IT工具网
(如果某些参数没有被缩减为单个值， snd_pcm_hw_params() 将选择一个随机值。) snd_pcm_hw_params_set_xxx_near() 更复杂，因为没有 SET_NEAR ioctl。此函数尝试调整间隔， ...
-
#72A patch to fix audio_alsa_sink[hw:0,0] - OZ9AEC Website
A patch to fix audio_alsa_sink[hw:0,0]: snd_pcm_hw_params failed. Last night, while I was preparing for the AMSAT-OZ satellite weekend, ...
-
#73snd_pcm_hw_params() call hangs in Ubuntu 10.04
As part of the initialization it calls snd_pcm_hw_params() to write parameters to the driver. On 10.04 this call hangs (does not return).
-
#74ALSA声卡编程概要（四）_zenki_新浪博客
2009年7月15日 — if ( (rc = snd_pcm_hw_params(handle, params)) < 0). {. std::cerr << "unable to set hw parameters: " << snd_strerror(rc) << std::endl;.
-
#75ALSA (Advanced Linux Sound Architecture): A simple example
... the driver *//* Write the previously set parameters to the playback device*/ rc = snd_pcm_hw_params( handle , params ); if (rc < 0 ) { fprintf(stderr, ...
-
#76Как установить размер периода в ALSA, revisited - CodeRoad
После вызова snd_pcm_hw_params() все параметры фиксируются. Вы должны позвонить snd_pcm_hw_params_set_period_size_near() до первого (и ...
-
#77如何正确设置ALSA设备- 堆栈内存溢出
n"); snd_pcm_close(handle); return(-1); } /* Write the parameters to the driver */ rc = snd_pcm_hw_params(handle, params); if (rc < 0) { fprintf(stderr, ...
-
#78alsa plays pcm audio - Programmer Sought
... //set the hwparams to driver err = snd_pcm_hw_params(handle,hwparams); if(err<0) { printf("failed to set hardware parameters:%s\n",snd_strerror(err)); ...
snd_pcm_hw_params 在 コバにゃんチャンネル Youtube 的最讚貼文
snd_pcm_hw_params 在 大象中醫 Youtube 的最佳貼文
snd_pcm_hw_params 在 大象中醫 Youtube 的精選貼文