Elizabeth Figura : winegstreamer: Implement MPEG-1 audio to IMFMediaType conversion.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 8f4bb2e9f9151ebbcea4c1be6c86a29586156de5
URL:    https://gitlab.winehq.org/wine/wine/-/commit/8f4bb2e9f9151ebbcea4c1be6c86a29...

Author: Elizabeth Figura 
Date:   Sat Jun 15 18:51:07 2024 -0500

winegstreamer: Implement MPEG-1 audio to IMFMediaType conversion.

---

dlls/winegstreamer/mfplat.c | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/dlls/winegstreamer/mfplat.c b/dlls/winegstreamer/mfplat.c
index b3bb4573847..d84939ce13d 100644
--- a/dlls/winegstreamer/mfplat.c
+++ b/dlls/winegstreamer/mfplat.c
@@ -586,6 +586,28 @@ static IMFMediaType *mf_media_type_from_wg_format_video(const struct wg_format *
     return NULL;
 }

+static IMFMediaType *mf_media_type_from_wg_format_audio_mpeg1(const struct wg_format *format)
+{
+    IMFMediaType *type;
+
+    if (FAILED(MFCreateMediaType(&type)))
+        return NULL;
+
+    if (format->u.audio.layer != 3)
+        FIXME("Unhandled layer %#x.\n", format->u.audio.layer);
+
+    IMFMediaType_SetGUID(type, &MF_MT_MAJOR_TYPE, &MFMediaType_Audio);
+    IMFMediaType_SetGUID(type, &MF_MT_SUBTYPE, &MFAudioFormat_MP3);
+    IMFMediaType_SetGUID(type, &MF_MT_AM_FORMAT_TYPE, &FORMAT_WaveFormatEx);
+    IMFMediaType_SetUINT32(type, &MF_MT_AUDIO_NUM_CHANNELS, format->u.audio.channels);
+    IMFMediaType_SetUINT32(type, &MF_MT_AUDIO_CHANNEL_MASK, format->u.audio.channel_mask);
+    IMFMediaType_SetUINT32(type, &MF_MT_AUDIO_PREFER_WAVEFORMATEX, TRUE);
+    IMFMediaType_SetUINT32(type, &MF_MT_FIXED_SIZE_SAMPLES, TRUE);
+    IMFMediaType_SetUINT32(type, &MF_MT_ALL_SAMPLES_INDEPENDENT, TRUE);
+
+    return type;
+}
+
 static IMFMediaType *mf_media_type_from_wg_format_audio_mpeg4(const struct wg_format *format)
 {
     IMFMediaType *type;
@@ -697,7 +719,6 @@ IMFMediaType *mf_media_type_from_wg_format(const struct wg_format *format)
 {
     switch (format->major_type)
     {
-        case WG_MAJOR_TYPE_AUDIO_MPEG1:
         case WG_MAJOR_TYPE_VIDEO_CINEPAK:
         case WG_MAJOR_TYPE_VIDEO_INDEO:
         case WG_MAJOR_TYPE_VIDEO_MPEG1:
@@ -715,6 +736,9 @@ IMFMediaType *mf_media_type_from_wg_format(const struct wg_format *format)
         case WG_MAJOR_TYPE_VIDEO_H264:
             return mf_media_type_from_wg_format_h264(format);

+        case WG_MAJOR_TYPE_AUDIO_MPEG1:
+            return mf_media_type_from_wg_format_audio_mpeg1(format);
+
         case WG_MAJOR_TYPE_AUDIO_MPEG4:
             return mf_media_type_from_wg_format_audio_mpeg4(format);