The new API snd_pcm_ioplug_avail() doesn't appear prior to alsa-lib
1.1.7. Add an own code for allowing the build with alsa-lib 1.1.6.
It has a very slight overhead than the original snd_pcm_ioplug_avail()
but should be OK as a workaround.
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
jack/pcm_jack.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/jack/pcm_jack.c b/jack/pcm_jack.c
index 98a6f7ebb82e..fbc9dafc594b 100644
--- a/jack/pcm_jack.c
+++ b/jack/pcm_jack.c
@@ -58,6 +58,15 @@ typedef struct {
static int snd_pcm_jack_stop(snd_pcm_ioplug_t *io);
+/* snd_pcm_ioplug_avail() was introduced after alsa-lib 1.1.6 */
+#if SND_LIB_VERSION < 0x10107
+static snd_pcm_uframes_t snd_pcm_ioplug_avail(const snd_pcm_ioplug_t *io,
+ const snd_pcm_uframes_t hw_ptr,
+ const snd_pcm_uframes_t appl_ptr)
+{
+ return io->buffer_size - snd_pcm_ioplug_hw_avail(io, hw_ptr, appl_ptr);
+}
+#endif
static int pcm_poll_block_check(snd_pcm_ioplug_t *io)
{
--
2.18.0
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