first

2025-10-29 13:10:02 +08:00
commit 49a07fa419
2284 changed files with 642060 additions and 0 deletions
--- a/cpu/br28/audio_dec/audio_dec_iis.c
+++ b/cpu/br28/audio_dec/audio_dec_iis.c
@ -0,0 +1,391 @@
+#include "audio_dec_iis.h"
+#include "app_config.h"
+#include "audio_decoder.h"
+#include "media/includes.h"
+#include "audio_config.h"
+#include "system/includes.h"
+#include "audio_enc.h"
+#include "application/audio_eq.h"
+#include "application/audio_drc.h"
+#include "app_config.h"
+#include "audio_config.h"
+#include "audio_dec.h"
+#include "app_main.h"
+#include "clock_cfg.h"
+#include "audio_dec_eff.h"
+#include "audio_codec_clock.h"
+#include "audio_dvol.h"
+#include "audio_link.h"
+#include "circular_buf.h"
+#include "sound_device.h"
+
+
+#if (TCFG_AUDIO_INPUT_IIS)
+
+extern ALINK_PARM alink0_platform_data;
+extern struct audio_dac_hdl dac_hdl;
+extern struct audio_decoder_task decode_task;
+extern struct audio_mixer mixer;
+/* extern void *hw_alink; //alink初始化句柄 */
+#define IIS_IN_STORE_PCM_SIZE   (4 * 1024)
+
+//iis 驱动结构体
+struct iis_in_sample_hdl {
+    OS_SEM sem;
+    s16 *store_pcm_buf;
+    cbuffer_t cbuf;
+    int sample_rate;
+    void *hw_alink;
+    void *alink_ch;
+};
+
+// iis 输入解码结构体
+struct iis_in_dec_hdl {
+    struct audio_decoder decoder;
+    struct audio_res_wait wait;
+    struct audio_mixer_ch mix_ch;
+    u8 channel;
+    u8 start;
+    u8 need_resume;
+    u8 remain;
+    u8 output_ch;
+    int sample_rate;
+    void *iis_in;		//驱动句柄
+};
+static struct iis_in_dec_hdl *iis_in_dec = NULL;
+
+// ********************** iis in 驱动 ************************* //
+static void iis_in_dec_resume(void)
+{
+    if (iis_in_dec) {
+        audio_decoder_resume(&iis_in_dec->decoder);
+    }
+}
+
+static void pcm_LR_to_mono(s16 *pcm_lr, s16 *pcm_mono, int points_len)
+{
+    s16 pcm_L;
+    s16 pcm_R;
+    int i = 0;
+
+    for (i = 0; i < points_len; i++, pcm_lr += 2) {
+        pcm_L = *pcm_lr;
+        pcm_R = *(pcm_lr + 1);
+        *pcm_mono++ = (s16)(((int)pcm_L + pcm_R) >> 1);
+    }
+}
+
+static void iis_in_data_handler(void *priv, void *_data, int len)
+{
+    struct iis_in_sample_hdl *iis_in = (struct iis_in_sample_hdl *)priv;
+    s16 *data = (s16 *)_data;
+    u16 temp_len = len;
+    int wlen = 0;
+
+    if (iis_in_dec->start == 0) {
+        goto __exit;
+    }
+    //iis 默认输入的是双声道数据
+    if (iis_in_dec->output_ch == 1) {
+        s16 *mono_data = data;
+        for (int i = 0; i < len / 4; i++) {
+            mono_data[i] = mono_data[i * 2];
+        }
+        len = len / 2;
+        wlen = cbuf_write(&iis_in->cbuf, mono_data, len);
+        if (wlen != len) {
+            putchar('w');
+        }
+    } else if (iis_in_dec->output_ch == 2) {
+        wlen = cbuf_write(&iis_in->cbuf, data, len);
+        /* os_sem_post(&iis_in->sem); */
+        if (wlen != len) {
+            putchar('W');
+        }
+    } else {
+        putchar('e');
+        goto __exit;
+    }
+
+    if (iis_in_dec && iis_in_dec->need_resume) {
+        iis_in_dec->need_resume = 0;
+        iis_in_dec_resume();
+    }
+__exit:
+    alink_set_shn(&alink0_platform_data.ch_cfg[1], temp_len / 4);
+}
+
+static void *iis_in_open(int sr)
+{
+    struct iis_in_sample_hdl *iis_in = NULL;
+    iis_in = zalloc(sizeof(struct iis_in_sample_hdl));
+    if (!iis_in) {
+        return NULL;
+    }
+    iis_in->store_pcm_buf = malloc(IIS_IN_STORE_PCM_SIZE);
+    if (!iis_in->store_pcm_buf) {
+        free(iis_in);
+        return NULL;
+    }
+    cbuf_init(&iis_in->cbuf, iis_in->store_pcm_buf, IIS_IN_STORE_PCM_SIZE);
+    iis_in->hw_alink = (ALINK_PARM *)get_iis_alink_param();
+    if (iis_in->hw_alink == NULL) {
+        iis_in->hw_alink = alink_init(&alink0_platform_data);
+    }
+    iis_in->alink_ch = alink_channel_init(iis_in->hw_alink, 1, ALINK_DIR_RX, (void *)iis_in, iis_in_data_handler);
+    alink_start(iis_in->hw_alink);
+    iis_in->sample_rate = sr;
+    return iis_in;
+}
+
+
+// *********************** iis in dec 解码 ***************************//
+static int iis_in_stream_read(struct audio_decoder *decoder, void *buf, u32 len)
+{
+    int rlen = 0;
+    struct iis_in_sample_hdl *iis_in = (struct iis_in_sample_hdl *)iis_in_dec->iis_in;
+    if (!iis_in || iis_in_dec->start == 0) {
+        goto __exit;
+    }
+    if (!iis_in->store_pcm_buf) {
+        goto __exit;
+    }
+    int read_len = cbuf_get_data_size(&iis_in->cbuf);
+    if (read_len) {
+        read_len = read_len > len ? len : read_len;
+        rlen = cbuf_read(&iis_in->cbuf, buf, read_len);
+        /* printf("--- rlen : %d\n", rlen); */
+    }
+__exit:
+    if (!rlen) {
+        iis_in_dec->need_resume = 1;
+        return -1;
+    }
+    /* y_printf("--- rlen = %d\n",rlen); */
+    return rlen;
+}
+
+static int iis_in_dec_probe_handler(struct audio_decoder *decoder)
+{
+    /* struct pcm_dec_hdl *dec = container_of(decoder, struct pcm_dec_hdl, decoder); */
+    struct iis_in_dec_hdl *dec = container_of(decoder, struct iis_in_dec_hdl, decoder);
+    return 0;
+}
+
+static int iis_in_dec_output_handler(struct audio_decoder *decoder, s16 *data, int len, void *priv)
+{
+    struct iis_in_dec_hdl *dec = container_of(decoder, struct iis_in_dec_hdl, decoder);
+
+    if (!dec) {
+        return 0;
+    }
+    int rlen = len;
+    int wlen = 0;
+
+    if (!dec->remain) {
+#if (SYS_VOL_TYPE == VOL_TYPE_DIGITAL)
+        audio_digital_vol_run(MUSIC_DVOL, data, len);
+#endif
+    }
+
+    wlen = audio_mixer_ch_write(&dec->mix_ch, data, rlen);
+    if (!wlen) {
+        putchar('w');
+    }
+    rlen -= wlen;
+
+    if (rlen == 0) {
+        dec->remain = 0;
+    } else {
+        dec->remain = 1;
+    }
+    return len - rlen;
+}
+
+static const struct audio_dec_handler iis_in_dec_handler = {
+    .dec_probe  = iis_in_dec_probe_handler,
+    .dec_output = iis_in_dec_output_handler,
+};
+
+static const struct audio_dec_input iis_input = {
+    .coding_type = AUDIO_CODING_PCM,
+    .data_type   = AUDIO_INPUT_FILE,
+    .ops = {
+        .file = {
+            .fread = iis_in_stream_read,
+        }
+    }
+};
+
+static void iis_in_dec_event_handler(struct audio_decoder *decoder, int argc, int *argv)
+{
+    switch (argv[0]) {
+    case AUDIO_DEC_EVENT_END:
+        /*pcm_audio_close();*/
+        break;
+    }
+}
+
+//开始 iis dec 解码
+static int iis_in_dec_start(void)
+{
+    int err;
+    y_printf(">>>>>>>> Enter Func: %s \n", __func__);
+    struct audio_fmt f = {0};
+    struct iis_in_dec_hdl *dec = iis_in_dec;
+
+    if (!iis_in_dec && iis_in_dec->start == 1) {
+        return -EINVAL;
+    }
+
+    err = audio_decoder_open(&dec->decoder, &iis_input, &decode_task);
+    if (err) {
+        goto __err;
+    }
+    if (dec->iis_in == NULL) {
+        y_printf("--> %s, %d, Init iis_in!\n", __func__, __LINE__);
+        dec->iis_in = iis_in_open(dec->sample_rate);
+        if (!dec->iis_in) {
+            goto __err;
+        }
+    }
+
+    audio_decoder_set_handler(&dec->decoder, &iis_in_dec_handler);
+    audio_decoder_set_event_handler(&dec->decoder, iis_in_dec_event_handler, 0);
+    u8 dac_conn = audio_dac_get_channel(&dac_hdl);
+    if (dac_conn == DAC_OUTPUT_LR) {
+        dec->output_ch = 2;
+    } else {
+        dec->output_ch = 1;
+    }
+
+    f.coding_type = AUDIO_CODING_PCM;
+    f.sample_rate = dec->sample_rate;
+    f.channel = dec->output_ch;
+
+    sound_pcm_dev_channel_mapping(dec->output_ch);
+
+    err = audio_decoder_set_fmt(&dec->decoder, &f);
+    if (err) {
+        goto __err;
+    }
+
+
+#if (SYS_VOL_TYPE == VOL_TYPE_DIGITAL)
+    audio_digital_vol_open(MUSIC_DVOL, app_audio_get_volume(APP_AUDIO_STATE_MUSIC), MUSIC_DVOL_MAX, MUSIC_DVOL_FS, -1);
+#endif
+
+    // 设置叠加功能
+    audio_mixer_ch_open(&dec->mix_ch, &mixer);
+    audio_mixer_ch_set_sample_rate(&dec->mix_ch, audio_output_rate(f.sample_rate));
+    app_audio_state_switch(APP_AUDIO_STATE_MUSIC, get_max_sys_vol());
+
+    int vol = app_audio_get_volume(APP_AUDIO_STATE_MUSIC);
+    app_audio_set_volume(APP_AUDIO_STATE_MUSIC, vol, 1);
+
+    err = audio_decoder_start(&dec->decoder);
+    if (err) {
+        goto __err;
+    }
+    /* audio_codec_clock_set(AUDIO_PC_MODE, AUDIO_CODING_PCM, dec->wait.preemption); */
+    dec->start = 1;
+    return 0;
+
+__err:
+    return err;
+}
+
+// iis in 解码资源等待
+void iis_in_dec_stop(void);
+
+static int iis_in_wait_res_handler(struct audio_res_wait *wait, int event)
+{
+    int err = 0;
+    if (event == AUDIO_RES_GET) {
+        // 启动解码
+        err = iis_in_dec_start();
+    } else if (event == AUDIO_RES_PUT) {
+        // 被打断
+        iis_in_dec_stop();
+    }
+    return err;
+}
+
+int iis_in_dec_open(void)
+{
+    int err;
+    struct iis_in_dec_hdl *dec = NULL;;
+    dec = zalloc(sizeof(*dec));
+    if (!dec) {
+        return -ENOMEM;
+    }
+    iis_in_dec = dec;
+    dec->sample_rate = TCFG_IIS_SR;
+    dec->channel = 2;		//iis 是双声道数据
+    dec->wait.priority = 2;
+    dec->wait.preemption = 1;
+    dec->wait.handler = iis_in_wait_res_handler;
+
+    err = audio_decoder_task_add_wait(&decode_task, &dec->wait);
+    clock_add(DEC_PCM_CLK);
+    return err;
+}
+
+
+void iis_in_dec_stop(void)
+{
+    if (iis_in_dec && iis_in_dec->start == 1) {
+        struct iis_in_sample_hdl *iis_in = (struct iis_in_sample_hdl *)iis_in_dec->iis_in;
+        iis_in_dec->start = 0;
+        audio_decoder_close(&iis_in_dec->decoder);
+        audio_mixer_ch_close(&iis_in_dec->mix_ch);
+        app_audio_state_exit(APP_AUDIO_STATE_MUSIC);
+
+#if (SYS_VOL_TYPE == VOL_TYPE_DIGITAL)
+        audio_digital_vol_close(MUSIC_DVOL);
+#endif/*SYS_VOL_TYPE == VOL_TYPE_DIGITAL*/
+
+        local_irq_disable();
+#if 1
+        if (iis_in) {
+            void *alink_p = (ALINK_PARM *)get_iis_alink_param();
+            if (iis_in->hw_alink && !alink_p) {
+                alink_uninit(iis_in->hw_alink);
+                iis_in->hw_alink = NULL;
+            } else {
+                /* alink_uninit(iis_in->hw_alink); */
+                alink_channel_close(iis_in->alink_ch);
+            }
+            if (iis_in->store_pcm_buf) {
+                free(iis_in->store_pcm_buf);
+                iis_in->store_pcm_buf = NULL;
+            }
+            free(iis_in);
+            iis_in = NULL;
+            iis_in_dec->iis_in = NULL;
+        }
+#endif
+        local_irq_enable();
+    }
+}
+
+void iis_in_dec_close(void)
+{
+    if (!iis_in_dec) {
+        return;
+    }
+    iis_in_dec_stop();
+    audio_decoder_task_del_wait(&decode_task, &iis_in_dec->wait);
+    clock_remove(DEC_PCM_CLK);
+    local_irq_disable();
+    free(iis_in_dec);
+    iis_in_dec = NULL;
+    local_irq_enable();
+}
+
+
+
+#endif
+
+
+