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wasapisrc: Clarify that nBlockAlign is actually bpf

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bpf = bytes per frame.
This commit is contained in:
Nirbheek Chauhan 2019-11-25 21:16:05 +05:30 committed by GStreamer Merge Bot
parent 6d27c0ac08
commit 5d9c060ca7
1 changed files with 8 additions and 8 deletions
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16
sys/wasapi/gstwasapisrc.c
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@ -555,6 +555,7 @@ gst_wasapi_src_read (GstAudioSrc * asrc, gpointer data, guint length,
HRESULT hr;
gint16 *from = NULL;
guint wanted = length;
guint bpf;
DWORD flags;
GST_OBJECT_LOCK (self);
@ -564,6 +565,8 @@ gst_wasapi_src_read (GstAudioSrc * asrc, gpointer data, guint length,
GST_OBJECT_UNLOCK (self); goto err);
self->client_needs_restart = FALSE;
}
bpf = self->mix_format->nBlockAlign;
GST_OBJECT_UNLOCK (self);
while (wanted > 0) {
@ -603,7 +606,7 @@ gst_wasapi_src_read (GstAudioSrc * asrc, gpointer data, guint length,
if (flags & AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY)
GST_WARNING_OBJECT (self, "WASAPI reported glitch in buffer");
want_frames = wanted / self->mix_format->nBlockAlign;
want_frames = wanted / bpf;
/* If GetBuffer is returning more frames than we can handle, all we can do is
* hope that this is temporary and that things will settle down later. */
@ -613,14 +616,11 @@ gst_wasapi_src_read (GstAudioSrc * asrc, gpointer data, guint length,
/* Only copy data that will fit into the allocated buffer of size @length */
n_frames = MIN (have_frames, want_frames);
read_len = n_frames * self->mix_format->nBlockAlign;
read_len = n_frames * bpf;
{
guint bpf = self->mix_format->nBlockAlign;
GST_DEBUG_OBJECT (self, "have: %i (%i bytes), can read: %i (%i bytes), "
"will read: %i (%i bytes)", have_frames, have_frames * bpf,
want_frames, wanted, n_frames, read_len);
}
GST_DEBUG_OBJECT (self, "have: %i (%i bytes), can read: %i (%i bytes), "
"will read: %i (%i bytes)", have_frames, have_frames * bpf,
want_frames, wanted, n_frames, read_len);
memcpy (data, from, read_len);
wanted -= read_len;