[PATCH 11/16] winegstreamer: Introduce IMFMediaType -> GstCaps converter.
Derek Lesho
dlesho at codeweavers.com
Wed Mar 25 19:12:36 CDT 2020
Signed-off-by: Derek Lesho <dlesho at codeweavers.com>
---
dlls/winegstreamer/gst_private.h | 1 +
dlls/winegstreamer/mfplat.c | 83 ++++++++++++++++++++++++++++++++
2 files changed, 84 insertions(+)
diff --git a/dlls/winegstreamer/gst_private.h b/dlls/winegstreamer/gst_private.h
index 49691d1fbe..e594ed1419 100644
--- a/dlls/winegstreamer/gst_private.h
+++ b/dlls/winegstreamer/gst_private.h
@@ -56,6 +56,7 @@ void start_dispatch_thread(void) DECLSPEC_HIDDEN;
extern HRESULT mfplat_get_class_object(REFCLSID rclsid, REFIID riid, void **obj) DECLSPEC_HIDDEN;
IMFMediaType* media_type_from_caps(GstCaps *caps);
+GstCaps *caps_from_media_type(IMFMediaType *type);
IMFSample* mf_sample_from_gst_buffer(GstBuffer *in);
enum source_type
diff --git a/dlls/winegstreamer/mfplat.c b/dlls/winegstreamer/mfplat.c
index 54b611b130..b7aef27645 100644
--- a/dlls/winegstreamer/mfplat.c
+++ b/dlls/winegstreamer/mfplat.c
@@ -751,6 +751,89 @@ IMFMediaType* media_type_from_caps(GstCaps *caps)
return NULL;
}
+static const char *fourcc_str(DWORD fourcc)
+{
+ if (!fourcc) return NULL;
+ return wine_dbg_sprintf ("%c%c%c%c",
+ (char)(fourcc), (char)(fourcc >> 8),
+ (char)(fourcc >> 16), (char)(fourcc >> 24));
+}
+
+GstCaps *caps_from_media_type(IMFMediaType *type)
+{
+ GUID major_type;
+ GUID subtype;
+ GstCaps *output = NULL;
+
+ if (FAILED(IMFMediaType_GetMajorType(type, &major_type)))
+ return NULL;
+ if (FAILED(IMFMediaType_GetGUID(type, &MF_MT_SUBTYPE, &subtype)))
+ return NULL;
+
+ if (IsEqualGUID(&major_type, &MFMediaType_Video))
+ {
+ UINT64 frame_rate = 0, frame_size = 0;
+ DWORD *framerate_num = ((DWORD*)&frame_rate) + 1;
+ DWORD *framerate_den = ((DWORD*)&frame_rate);
+ DWORD *width = ((DWORD*)&frame_size) + 1;
+ DWORD *height = ((DWORD*)&frame_size);
+ UINT32 unused;
+
+ /* Check if type is uncompressed */
+ if (SUCCEEDED(MFCalculateImageSize(&subtype, 100, 100, &unused)))
+ {
+ output = gst_caps_new_empty_simple("video/x-raw");
+ gst_caps_set_simple(output, "format", G_TYPE_STRING, fourcc_str(subtype.Data1), NULL);
+ }
+ else {
+ ERR("Unrecognized subtype %s\n", debugstr_guid(&subtype));
+ return NULL;
+ }
+
+ IMFMediaType_GetUINT64(type, &MF_MT_FRAME_RATE, &frame_rate);
+ IMFMediaType_GetUINT64(type, &MF_MT_FRAME_SIZE, &frame_size);
+
+ if (frame_rate)
+ gst_caps_set_simple(output, "framerate", GST_TYPE_FRACTION, *framerate_num, *framerate_den, NULL);
+ if (frame_size)
+ {
+ gst_caps_set_simple(output, "width", G_TYPE_INT, *width, NULL);
+ gst_caps_set_simple(output, "height", G_TYPE_INT, *height, NULL);
+ }
+ return output;
+ }
+ else if (IsEqualGUID(&major_type, &MFMediaType_Audio))
+ {
+ DWORD rate, channels;
+
+ if (IsEqualGUID(&subtype, &MFAudioFormat_Float))
+ {
+ output = gst_caps_new_empty_simple("audio/x-raw");
+
+ gst_caps_set_simple(output, "format", G_TYPE_STRING, "F32LE", NULL);
+ }
+ else
+ {
+ ERR("Unrecognized subtype %s\n", debugstr_guid(&subtype));
+ return NULL;
+ }
+
+ if (SUCCEEDED(IMFMediaType_GetUINT32(type, &MF_MT_AUDIO_SAMPLES_PER_SECOND, &rate)))
+ {
+ gst_caps_set_simple(output, "rate", G_TYPE_INT, rate, NULL);
+ }
+ if (SUCCEEDED(IMFMediaType_GetUINT32(type, &MF_MT_AUDIO_NUM_CHANNELS, &channels)))
+ {
+ gst_caps_set_simple(output, "channels", G_TYPE_INT, channels, NULL);
+ }
+
+ return output;
+ }
+
+ ERR("Unrecognized major type %s\n", debugstr_guid(&major_type));
+ return NULL;
+}
+
/* IMFSample = GstBuffer
IMFBuffer = GstMemory */
--
2.25.1
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