commit 218546574a7cfc3d3a1af3d7fd04842662d3a3e0
author Mingming Yin <mingming@codeaurora.org> Wed Apr 13 11:54:02 2016 -0700
committer Naresh Tanniru <ntanniru@codeaurora.org> Fri Apr 29 10:07:58 2016 +0530
tree e95a25d83d59ef3d3817eedb467fe06c2fd65c76
parent dac705fe85a23607fd9cd94a4cd218f6764484b6

hal: add support for compress passthrough

- Add support for compress passthrough.

Change-Id: I4934470ac8b23cb8de9b2d7d1b0014afe74b5a27

hal/audio_extn/utils.c

diff --git a/hal/audio_extn/utils.c b/hal/audio_extn/utils.c
index 8eb557e..5a5ca52 100644
--- a/hal/audio_extn/utils.c
+++ b/hal/audio_extn/utils.c
@@ -649,6 +649,27 @@
          ALOGI("%s PLAYBACK app_type %d, acdb_dev_id %d, sample_rate %d",
              __func__, usecase->stream.out->app_type_cfg.app_type, acdb_dev_id, sample_rate);
 
+        if ((24 == usecase->stream.out->bit_width) &&
+            (usecase->stream.out->devices & AUDIO_DEVICE_OUT_SPEAKER)) {
+            usecase->stream.out->app_type_cfg.sample_rate = DEFAULT_OUTPUT_SAMPLING_RATE;
+        } else if ((snd_device != SND_DEVICE_OUT_HEADPHONES_44_1 &&
+            usecase->stream.out->sample_rate == OUTPUT_SAMPLING_RATE_44100) ||
+            (usecase->stream.out->sample_rate < OUTPUT_SAMPLING_RATE_44100)) {
+            usecase->stream.out->app_type_cfg.sample_rate = DEFAULT_OUTPUT_SAMPLING_RATE;
+        }
+        sample_rate = usecase->stream.out->app_type_cfg.sample_rate;
+
+        app_type_cfg[len++] = usecase->stream.out->app_type_cfg.app_type;
+        app_type_cfg[len++] = acdb_dev_id;
+        if (((usecase->stream.out->format == AUDIO_FORMAT_E_AC3) ||
+            (usecase->stream.out->format == AUDIO_FORMAT_E_AC3_JOC))
+            && audio_extn_dolby_is_passthrough_stream(usecase->stream.out)) {
+            app_type_cfg[len++] = sample_rate * 4;
+        } else {
+            app_type_cfg[len++] = sample_rate;
+        }
+        ALOGI("%s PLAYBACK app_type %d, acdb_dev_id %d, sample_rate %d",
+              __func__, usecase->stream.out->app_type_cfg.app_type, acdb_dev_id, sample_rate);
     } else if (usecase->type == PCM_CAPTURE) {
          app_type_cfg[len++] = platform_get_default_app_type_v2(adev->platform, usecase->type);
          app_type_cfg[len++] = acdb_dev_id;
@@ -984,7 +1005,7 @@
     if (audio_extn_is_dolby_format(out->format) &&
         /*TODO:Extend code to support DTS passthrough*/
         /*set compressed channel status bits*/
-        audio_extn_dolby_is_passthrough_stream(out->flags)){
+        audio_extn_dolby_is_passthrough_stream(out)){
         get_compressed_channel_status(buffer, bytes, channel_status, AUDIO_PARSER_CODEC_AC3);
     } else
 #endif