initial commit

hal/hal_audio/hal_interface_audio.c

@@ -0,0 +1,87 @@
+#include <stdlib.h>
+#include "hal_interface_audio.h"
+#include "list.h"
+#include "htime.h"
+#include "hthread.h"
+#include "hbase.h"
+#include "hlog.h"
+#include "hmutex.h"
+
+typedef struct{
+	struct list_head    link;
+	HAL_AUDIO_FORMAT    format;
+	hal_audio_frame_callback cb;
+}audio_ins;
+
+static struct list_head s_alist = LIST_HEAD_INIT(s_alist);
+
+uint32_t hal_audio_openstream(hal_audio_frame_callback cb, HAL_AUDIO_FORMAT format){
+	struct list_head *pos, *n;
+	list_for_each_safe(pos, n, &s_alist){
+		audio_ins* audio = list_entry(pos, audio_ins, link);
+        if (audio->cb == cb) {
+		   return 0;
+        }
+	}
+	audio_ins *audio = (audio_ins*)hv_malloc(sizeof(audio_ins));
+	if (!audio){
+		hloge("%s failed to hv_malloc", __func__);
+		return -1;
+	}
+	audio->cb     = cb;
+	audio->format = format;
+	list_add_tail(&audio->link, &s_alist);
+	return 0;
+}
+
+uint32_t hal_audio_closestream(hal_audio_frame_callback cb){
+	struct list_head *pos, *n;
+	list_for_each_safe(pos, n, &s_alist){
+		audio_ins* audio = list_entry(pos, audio_ins, link);
+        if (audio->cb == cb) {
+           list_del(pos);
+		   hv_free(audio);
+		   return 0;
+        }
+	}
+	return -1;
+}
+
+static void * audio_polling_task(void *arg)
+{
+	uint32_t ret;
+	typedef struct{
+		int8_t  *data;
+		int16_t  size;
+	}aac_st;
+	while(1){
+		audio_frame frame;
+		ret = hal_audio_get_frame(&frame);
+		if (ret == 0){
+			aac_st aac = {0};
+			struct list_head *pos, *n;
+			list_for_each_safe(pos, n, &s_alist){
+				audio_ins* audio = list_entry(pos, audio_ins, link);
+				frame.format = audio->format;
+				switch(audio->format){
+					case HAL_AUDIO_PCM:
+						audio->cb(&frame);
+						break;
+					case HAL_AUDIO_AAC_LC:{
+							if (aac.data == NULL){
+								//encode aac ......
+							}
+							if (aac.data && aac.size){
+								memcpy(frame.data, aac.data, aac.size);
+								frame.size = aac.size;
+								audio->cb(&frame);
+							}
+							
+						}break;
+					default:
+						break;
+				}
+			}
+		}
+	}
+}