linux-4.4.1/snd_pcm_substream の履歴ソース(No.1)

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• 履歴 を表示
• linux-4.4.1/snd_pcm_substream へ行く。
  • 1 (2016-04-29 (金) 13:51:45)
  • 2 (2016-04-29 (金) 14:39:37)

*参照元 [#kfe995a3]
#backlinks

*説明 [#ub9f0e43]
-パス: [[linux-4.4.1/include/sound/pcm.h]]

-FIXME: これは何？
--説明


**参考 [#s065f157]


*実装 [#v661f421]
 struct snd_pcm_substream {
         struct snd_pcm *pcm;
         struct snd_pcm_str *pstr;
         void *private_data;             /* copied from pcm->private_data */
-
--[[linux-4.4.1/snd_pcm]]
--[[linux-4.4.1/snd_pcm_str]]

         int number;
         char name[32];                  /* substream name */
         int stream;                     /* stream (direction) */
         struct pm_qos_request latency_pm_qos_req; /* pm_qos request */
-
--[[linux-4.4.1/pm_qos_request]]

         size_t buffer_bytes_max;        /* limit ring buffer size */
         struct snd_dma_buffer dma_buffer;
         size_t dma_max;
-
--[[linux-4.4.1/snd_dma_buffer]]

         /* -- hardware operations -- */
         const struct snd_pcm_ops *ops;
-
--[[linux-4.4.1/snd_pcm_ops]]

         /* -- runtime information -- */
         struct snd_pcm_runtime *runtime;
-
--[[linux-4.4.1/snd_pcm_runtime]]

         /* -- timer section -- */
         struct snd_timer *timer;                /* timer */
         unsigned timer_running: 1;      /* time is running */
-
--[[linux-4.4.1/snd_timer]]

         /* -- next substream -- */
         struct snd_pcm_substream *next;
-
--[[linux-4.4.1/snd_pcm_substream]]

         /* -- linked substreams -- */
         struct list_head link_list;     /* linked list member */
         struct snd_pcm_group self_group;        /* fake group for non linked substream (with substream lock inside) */
         struct snd_pcm_group *group;            /* pointer to current group */
-
--[[linux-4.4.1/list_head]]
--[[linux-4.4.1/snd_pcm_group]]

         /* -- assigned files -- */
         void *file;
         int ref_count;
         atomic_t mmap_count;
         unsigned int f_flags;
         void (*pcm_release)(struct snd_pcm_substream *);
         struct pid *pid;
-
--[[linux-4.4.1/atomic_t]]
--[[linux-4.4.1/pid]]

 #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
-
--[[linux-4.4.1/CONFIG_SND_PCM_OSS]]
--[[linux-4.4.1/CONFIG_SND_PCM_OSS_MODULE]]

         /* -- OSS things -- */
         struct snd_pcm_oss_substream oss;
-
--[[linux-4.4.1/snd_pcm_oss_substream]]

 #endif
 #ifdef CONFIG_SND_VERBOSE_PROCFS
-
--[[linux-4.4.1/CONFIG_SND_VERBOSE_PROCFS]]

         struct snd_info_entry *proc_root;
         struct snd_info_entry *proc_info_entry;
         struct snd_info_entry *proc_hw_params_entry;
         struct snd_info_entry *proc_sw_params_entry;
         struct snd_info_entry *proc_status_entry;
         struct snd_info_entry *proc_prealloc_entry;
         struct snd_info_entry *proc_prealloc_max_entry;
-
--[[linux-4.4.1/snd_info_entry]]

 #ifdef CONFIG_SND_PCM_XRUN_DEBUG
-
--[[linux-4.4.1/CONFIG_SND_PCM_XRUN_DEBUG]]

         struct snd_info_entry *proc_xrun_injection_entry;
 #endif
 #endif /* CONFIG_SND_VERBOSE_PROCFS */
         /* misc flags */
         unsigned int hw_opened: 1;
 };


*コメント [#v7119b80]