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Commit 626833dc authored by juyuchen's avatar juyuchen Committed by Gerrit - the friendly Code Review server
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audio: Use flag instead of negative size hack to indicate exclusive mode support 



Bug: 131325988
Bug: 134634278
Test: use Oboetester_20190424.apk

Change-Id: Ic7dec7a38ee11e541cab6eccf1dd49a0d40d2533
Signed-off-by: default avatarjuyuchen <juyuchen@google.com>
(cherry picked from commit fc2ff82d9f20deee96448e5ba500dca0601f3e13)
Signed-off-by: default avatarAniket Kumar Lata <alata@codeaurora.org>
parent ee00824d

hal/audio_hw.c

+5 −4
Original line number Diff line number Diff line
@@ -6393,6 +6393,8 @@ static int out_create_mmap_buffer(const struct audio_stream_out *stream, 
        step = "begin";

        goto exit;

    }



    info->flags = 0;

    info->buffer_size_frames = pcm_get_buffer_size(out->pcm);

    buffer_size = pcm_frames_to_bytes(out->pcm, info->buffer_size_frames);

    info->burst_size_frames = out->config.period_size;
@@ -6411,8 +6413,7 @@ static int out_create_mmap_buffer(const struct audio_stream_out *stream, 
            step = "mmap";

            goto exit;

        }

        // FIXME: indicate exclusive mode support by returning a negative buffer size

        info->buffer_size_frames *= -1;

        info->flags |= AUDIO_MMAP_APPLICATION_SHAREABLE;

    }

    memset(info->shared_memory_address, 0, pcm_frames_to_bytes(out->pcm,

                                                               info->buffer_size_frames));
@@ -7289,6 +7290,7 @@ static int in_create_mmap_buffer(const struct audio_stream_in *stream, 
        goto exit;

    }



    info->flags = 0;

    info->buffer_size_frames = pcm_get_buffer_size(in->pcm);

    buffer_size = pcm_frames_to_bytes(in->pcm, info->buffer_size_frames);

    info->burst_size_frames = in->config.period_size;
@@ -7307,8 +7309,7 @@ static int in_create_mmap_buffer(const struct audio_stream_in *stream, 
            step = "mmap";

            goto exit;

        }

        // FIXME: indicate exclusive mode support by returning a negative buffer size

        info->buffer_size_frames *= -1;

        info->flags |= AUDIO_MMAP_APPLICATION_SHAREABLE;

    }



    memset(info->shared_memory_address, 0, buffer_size);