X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=filter_common.c;h=cdd9f39855c8add2f5c4f4bdfdd88c65bbe72651;hp=8e657f5a4e880ea3968991974a8c07e1e75d96db;hb=f3b4f3298d2dffdb84a121b7d4aa561975f79be9;hpb=009e80ae25df7a247a263b5b8e2259c9bdfe20ce

diff --git a/filter_common.c b/filter_common.c
index 8e657f5a..cdd9f398 100644
--- a/filter_common.c
+++ b/filter_common.c
@@ -137,12 +137,18 @@ void generic_filter_pre_select(struct sched *s, struct task *t)
 		sched_min_delay(s);
 }
 
+#ifdef WORDS_BIGENDIAN
+#define DECODER_SAMPLE_FORMAT SF_S16_BE
+#else
+#define DECODER_SAMPLE_FORMAT SF_S16_LE
+#endif
+
 /**
  * Execute a btr command for a decoder.
  *
- * The buffer tree nodes of the writers ask the parent nodes about sample_rate
- * and the channels count. This function is called by all decoders to answer
- * these queries.
+ * The buffer tree nodes of the writers ask the parent nodes about sample_rate,
+ * channels count and sample format. This function is called by all decoders to
+ * answer these queries.
  *
  * \param cmd The command to be executed by the child node.
  * \param sample_rate Known to the decoder.
@@ -164,5 +170,9 @@ int decoder_execute(const char *cmd, unsigned sample_rate, unsigned channels,
 		*result = make_message("%u", channels);
 		return 1;
 	}
+	if (!strcmp(cmd, "sample_format")) {
+		*result = make_message("%u", DECODER_SAMPLE_FORMAT);
+		return 1;
+	}
 	return -ERRNO_TO_PARA_ERROR(ENOTSUP);
 }