[PATCH 2/7] winegstreamer: Support MPEG-1 audio in wg_transform.
Anton Baskanov
baskanov at gmail.com
Tue May 3 13:28:00 CDT 2022
Signed-off-by: Anton Baskanov <baskanov at gmail.com>
---
dlls/winegstreamer/wg_format.c | 17 ++++++++++++++++-
dlls/winegstreamer/wg_transform.c | 6 +++++-
2 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/dlls/winegstreamer/wg_format.c b/dlls/winegstreamer/wg_format.c
index 608070b78e8..32d5a35e41a 100644
--- a/dlls/winegstreamer/wg_format.c
+++ b/dlls/winegstreamer/wg_format.c
@@ -331,6 +331,21 @@ static void wg_channel_mask_to_gst(GstAudioChannelPosition *positions, uint32_t
}
}
+static GstCaps *wg_format_to_caps_mpeg1_audio(const struct wg_format *format)
+{
+ GstCaps *caps;
+
+ if (!(caps = gst_caps_new_empty_simple("audio/mpeg")))
+ return NULL;
+
+ gst_caps_set_simple(caps, "mpegversion", G_TYPE_INT, 1, NULL);
+ gst_caps_set_simple(caps, "layer", G_TYPE_INT, format->u.mpeg1_audio.layer, NULL);
+ gst_caps_set_simple(caps, "rate", G_TYPE_INT, format->u.mpeg1_audio.rate, NULL);
+ gst_caps_set_simple(caps, "channels", G_TYPE_INT, format->u.mpeg1_audio.channels, NULL);
+
+ return caps;
+}
+
static GstCaps *wg_format_to_caps_audio(const struct wg_format *format)
{
GstAudioChannelPosition positions[32];
@@ -495,7 +510,7 @@ GstCaps *wg_format_to_caps(const struct wg_format *format)
case WG_MAJOR_TYPE_UNKNOWN:
return gst_caps_new_any();
case WG_MAJOR_TYPE_MPEG1_AUDIO:
- return NULL;
+ return wg_format_to_caps_mpeg1_audio(format);
case WG_MAJOR_TYPE_WMA:
return wg_format_to_caps_wma(format);
case WG_MAJOR_TYPE_H264:
diff --git a/dlls/winegstreamer/wg_transform.c b/dlls/winegstreamer/wg_transform.c
index dca85e7366e..3af9822b016 100644
--- a/dlls/winegstreamer/wg_transform.c
+++ b/dlls/winegstreamer/wg_transform.c
@@ -114,6 +114,10 @@ static GstElement *transform_find_element(GstElementFactoryListType type, GstCap
for (tmp = transforms; tmp != NULL && element == NULL; tmp = tmp->next)
{
name = gst_plugin_feature_get_name(GST_PLUGIN_FEATURE(tmp->data));
+ /* Ignore mpg123audiodec for now, as it has issues with frame delay,
+ * e.g. it does not output any data until it receives 2 frames. */
+ if (!strcmp(name, "mpg123audiodec"))
+ continue;
if (!(element = gst_element_factory_create(GST_ELEMENT_FACTORY(tmp->data), NULL)))
GST_WARNING("Failed to create %s element.", name);
}
@@ -224,6 +228,7 @@ NTSTATUS wg_transform_create(void *args)
*/
transform->input_max_length = 16;
/* fallthrough */
+ case WG_MAJOR_TYPE_MPEG1_AUDIO:
case WG_MAJOR_TYPE_WMA:
if (!(element = transform_find_element(GST_ELEMENT_FACTORY_TYPE_DECODER, src_caps, raw_caps))
|| !transform_append_element(transform, element, &first, &last))
@@ -233,7 +238,6 @@ NTSTATUS wg_transform_create(void *args)
}
break;
- case WG_MAJOR_TYPE_MPEG1_AUDIO:
case WG_MAJOR_TYPE_AUDIO:
case WG_MAJOR_TYPE_VIDEO:
case WG_MAJOR_TYPE_UNKNOWN:
--
2.34.1
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