tinycompress: tinycompress fixes

 - Add get_metadata() and set_metadata() API support
 - Add support to send codec specific data

Bug: 123065627
Test: make

Change-Id: I9c3f39e22d7246fbb7cf665a4b5ce71a74e07495

1 files changed, 47 insertions, 0 deletions

diff --git a/compress.c b/compress.c
index d1a2283..5845cae 100644
--- a/compress.c
+++ b/compress.c
@@ -572,6 +572,19 @@ int compress_set_gapless_metadata(struct compress *compress,
 	return 0;
 }
 
+#ifdef ENABLE_EXTENDED_COMPRESS_FORMAT
+int compress_set_next_track_param(struct compress *compress,
+	union snd_codec_options *codec_options)
+{
+	if (!is_compress_running(compress))
+		return oops(compress, ENODEV, "device not ready");
+
+	if (ioctl(compress->fd, SNDRV_COMPRESS_SET_NEXT_TRACK_PARAM, codec_options))
+		return oops(compress, errno, "cannot set next track params\n");
+	return 0;
+}
+#endif
+
 bool is_codec_supported(unsigned int card, unsigned int device,
 		unsigned int flags, struct snd_codec *codec)
 {
@@ -630,3 +643,37 @@ int compress_wait(struct compress *compress, int timeout_ms)
 	return oops(compress, EIO, "poll signalled unhandled event");
 }
 
+#ifdef ENABLE_EXTENDED_COMPRESS_FORMAT
+int compress_get_metadata(struct compress *compress,
+		struct snd_compr_metadata *mdata) {
+	int version;
+	if (!is_compress_ready(compress))
+		return oops(compress, ENODEV, "device not ready");
+
+	version = get_compress_version(compress);
+	if (version <= 0)
+		return -1;
+
+	if (ioctl(compress->fd, SNDRV_COMPRESS_GET_METADATA, mdata)) {
+		return oops(compress, errno, "can't get metadata for stream\n");
+	}
+	return 0;
+}
+
+int compress_set_metadata(struct compress *compress,
+		struct snd_compr_metadata *mdata) {
+
+	int version;
+	if (!is_compress_ready(compress))
+		return oops(compress, ENODEV, "device not ready");
+
+	version = get_compress_version(compress);
+	if (version <= 0)
+		return -1;
+
+	if (ioctl(compress->fd, SNDRV_COMPRESS_SET_METADATA, mdata)) {
+		return oops(compress, errno, "can't set metadata for stream\n");
+	}
+	return 0;
+}
+#endif