[PATCH v6 1/3] winegstreamer: Add a GstPad wrapping the media source's bytestream.
Signed-off-by: Derek Lesho <dlesho(a)codeweavers.com> --- dlls/winegstreamer/gst_cbs.c | 58 +++++++++ dlls/winegstreamer/gst_cbs.h | 12 +- dlls/winegstreamer/main.c | 3 + dlls/winegstreamer/media_source.c | 189 +++++++++++++++++++++++++++++- 4 files changed, 258 insertions(+), 4 deletions(-) diff --git a/dlls/winegstreamer/gst_cbs.c b/dlls/winegstreamer/gst_cbs.c index bf7103b1606..12b53bc5d68 100644 --- a/dlls/winegstreamer/gst_cbs.c +++ b/dlls/winegstreamer/gst_cbs.c @@ -49,6 +49,8 @@ static void CALLBACK perform_cb(TP_CALLBACK_INSTANCE *instance, void *user) if (cbdata->type < GSTDEMUX_MAX) perform_cb_gstdemux(cbdata); + else if (cbdata->type < MEDIA_SOURCE_MAX) + perform_cb_media_source(cbdata); pthread_mutex_lock(&cbdata->lock); cbdata->finished = 1; @@ -301,3 +303,59 @@ gboolean query_sink_wrapper(GstPad *pad, GstObject *parent, GstQuery *query) return cbdata.u.query_sink_data.ret; } + +GstFlowReturn bytestream_wrapper_pull_wrapper(GstPad *pad, GstObject *parent, guint64 ofs, guint len, + GstBuffer **buf) +{ + struct cb_data cbdata = { BYTESTREAM_WRAPPER_PULL }; + + cbdata.u.getrange_data.pad = pad; + cbdata.u.getrange_data.parent = parent; + cbdata.u.getrange_data.ofs = ofs; + cbdata.u.getrange_data.len = len; + cbdata.u.getrange_data.buf = buf; + + call_cb(&cbdata); + + return cbdata.u.getrange_data.ret; +} + +gboolean bytestream_query_wrapper(GstPad *pad, GstObject *parent, GstQuery *query) +{ + struct cb_data cbdata = { BYTESTREAM_QUERY }; + + cbdata.u.query_function_data.pad = pad; + cbdata.u.query_function_data.parent = parent; + cbdata.u.query_function_data.query = query; + + call_cb(&cbdata); + + return cbdata.u.query_function_data.ret; +} + +gboolean bytestream_pad_mode_activate_wrapper(GstPad *pad, GstObject *parent, GstPadMode mode, gboolean activate) +{ + struct cb_data cbdata = { BYTESTREAM_PAD_MODE_ACTIVATE }; + + cbdata.u.activate_mode_data.pad = pad; + cbdata.u.activate_mode_data.parent = parent; + cbdata.u.activate_mode_data.mode = mode; + cbdata.u.activate_mode_data.activate = activate; + + call_cb(&cbdata); + + return cbdata.u.activate_mode_data.ret; +} + +gboolean bytestream_pad_event_process_wrapper(GstPad *pad, GstObject *parent, GstEvent *event) +{ + struct cb_data cbdata = { BYTESTREAM_PAD_EVENT_PROCESS }; + + cbdata.u.event_src_data.pad = pad; + cbdata.u.event_src_data.parent = parent; + cbdata.u.event_src_data.event = event; + + call_cb(&cbdata); + + return cbdata.u.event_src_data.ret; +} diff --git a/dlls/winegstreamer/gst_cbs.h b/dlls/winegstreamer/gst_cbs.h index 4725f23ad1a..3459a9ef8ee 100644 --- a/dlls/winegstreamer/gst_cbs.h +++ b/dlls/winegstreamer/gst_cbs.h @@ -43,7 +43,12 @@ enum CB_TYPE { AUTOPLUG_BLACKLIST, UNKNOWN_TYPE, QUERY_SINK, - GSTDEMUX_MAX + GSTDEMUX_MAX, + BYTESTREAM_WRAPPER_PULL, + BYTESTREAM_QUERY, + BYTESTREAM_PAD_MODE_ACTIVATE, + BYTESTREAM_PAD_EVENT_PROCESS, + MEDIA_SOURCE_MAX, }; struct cb_data { @@ -138,6 +143,7 @@ struct cb_data { void mark_wine_thread(void) DECLSPEC_HIDDEN; void perform_cb_gstdemux(struct cb_data *data) DECLSPEC_HIDDEN; +void perform_cb_media_source(struct cb_data *data) DECLSPEC_HIDDEN; GstBusSyncReply watch_bus_wrapper(GstBus *bus, GstMessage *msg, gpointer user) DECLSPEC_HIDDEN; void existing_new_pad_wrapper(GstElement *bin, GstPad *pad, gpointer user) DECLSPEC_HIDDEN; @@ -154,5 +160,9 @@ GstAutoplugSelectResult autoplug_blacklist_wrapper(GstElement *bin, GstPad *pad, void unknown_type_wrapper(GstElement *bin, GstPad *pad, GstCaps *caps, gpointer user) DECLSPEC_HIDDEN; void Gstreamer_transform_pad_added_wrapper(GstElement *filter, GstPad *pad, gpointer user) DECLSPEC_HIDDEN; gboolean query_sink_wrapper(GstPad *pad, GstObject *parent, GstQuery *query) DECLSPEC_HIDDEN; +GstFlowReturn bytestream_wrapper_pull_wrapper(GstPad *pad, GstObject *parent, guint64 ofs, guint len, GstBuffer **buf) DECLSPEC_HIDDEN; +gboolean bytestream_query_wrapper(GstPad *pad, GstObject *parent, GstQuery *query) DECLSPEC_HIDDEN; +gboolean bytestream_pad_mode_activate_wrapper(GstPad *pad, GstObject *parent, GstPadMode mode, gboolean activate) DECLSPEC_HIDDEN; +gboolean bytestream_pad_event_process_wrapper(GstPad *pad, GstObject *parent, GstEvent *event) DECLSPEC_HIDDEN; #endif diff --git a/dlls/winegstreamer/main.c b/dlls/winegstreamer/main.c index 2872710b3e2..4ca371d58bd 100644 --- a/dlls/winegstreamer/main.c +++ b/dlls/winegstreamer/main.c @@ -146,6 +146,9 @@ HRESULT WINAPI DllGetClassObject(REFCLSID clsid, REFIID iid, void **out) TRACE("clsid %s, iid %s, out %p.\n", debugstr_guid(clsid), debugstr_guid(iid), out); + if (!init_gstreamer()) + return CLASS_E_CLASSNOTAVAILABLE; + if (SUCCEEDED(hr = mfplat_get_class_object(clsid, iid, out))) return hr; diff --git a/dlls/winegstreamer/media_source.c b/dlls/winegstreamer/media_source.c index f365c8a1827..1accf55c6a2 100644 --- a/dlls/winegstreamer/media_source.c +++ b/dlls/winegstreamer/media_source.c @@ -17,9 +17,15 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ +#include "config.h" + +#include <gst/gst.h> + #include "gst_private.h" +#include "gst_cbs.h" #include <stdarg.h> +#include <assert.h> #define COBJMACROS #define NONAMELESSUNION @@ -27,6 +33,7 @@ #include "mfapi.h" #include "mferror.h" #include "mfidl.h" +#include "mfobjects.h" #include "wine/debug.h" #include "wine/heap.h" @@ -39,6 +46,8 @@ struct media_source IMFMediaSource IMFMediaSource_iface; LONG ref; IMFMediaEventQueue *event_queue; + IMFByteStream *byte_stream; + GstPad *my_src; enum { SOURCE_OPENING, @@ -52,6 +61,127 @@ static inline struct media_source *impl_from_IMFMediaSource(IMFMediaSource *ifac return CONTAINING_RECORD(iface, struct media_source, IMFMediaSource_iface); } +static GstFlowReturn bytestream_wrapper_pull(GstPad *pad, GstObject *parent, guint64 ofs, guint len, + GstBuffer **buf) +{ + struct media_source *source = gst_pad_get_element_private(pad); + IMFByteStream *byte_stream = source->byte_stream; + ULONG bytes_read; + GstMapInfo info; + BOOL is_eof; + HRESULT hr; + + TRACE("requesting %u bytes at %s from source %p into buffer %p\n", len, wine_dbgstr_longlong(ofs), source, *buf); + + if (ofs != GST_BUFFER_OFFSET_NONE) + { + if (FAILED(IMFByteStream_SetCurrentPosition(byte_stream, ofs))) + return GST_FLOW_ERROR; + } + + if (FAILED(IMFByteStream_IsEndOfStream(byte_stream, &is_eof))) + return GST_FLOW_ERROR; + if (is_eof) + return GST_FLOW_EOS; + + if (!(*buf)) + *buf = gst_buffer_new_and_alloc(len); + gst_buffer_map(*buf, &info, GST_MAP_WRITE); + hr = IMFByteStream_Read(byte_stream, info.data, len, &bytes_read); + gst_buffer_unmap(*buf, &info); + + gst_buffer_set_size(*buf, bytes_read); + + if (FAILED(hr)) + return GST_FLOW_ERROR; + return GST_FLOW_OK; +} + +static gboolean bytestream_query(GstPad *pad, GstObject *parent, GstQuery *query) +{ + struct media_source *source = gst_pad_get_element_private(pad); + GstFormat format; + QWORD bytestream_len; + + TRACE("GStreamer queries source %p for %s\n", source, GST_QUERY_TYPE_NAME(query)); + + if (FAILED(IMFByteStream_GetLength(source->byte_stream, &bytestream_len))) + return FALSE; + + switch (GST_QUERY_TYPE(query)) + { + case GST_QUERY_DURATION: + { + gst_query_parse_duration(query, &format, NULL); + if (format == GST_FORMAT_PERCENT) + { + gst_query_set_duration(query, GST_FORMAT_PERCENT, GST_FORMAT_PERCENT_MAX); + return TRUE; + } + else if (format == GST_FORMAT_BYTES) + { + QWORD length; + IMFByteStream_GetLength(source->byte_stream, &length); + gst_query_set_duration(query, GST_FORMAT_BYTES, length); + return TRUE; + } + return FALSE; + } + case GST_QUERY_SEEKING: + { + gst_query_parse_seeking (query, &format, NULL, NULL, NULL); + if (format != GST_FORMAT_BYTES) + { + WARN("Cannot seek using format \"%s\".\n", gst_format_get_name(format)); + return FALSE; + } + gst_query_set_seeking(query, GST_FORMAT_BYTES, 1, 0, bytestream_len); + return TRUE; + } + case GST_QUERY_SCHEDULING: + { + gst_query_set_scheduling(query, GST_SCHEDULING_FLAG_SEEKABLE, 1, -1, 0); + gst_query_add_scheduling_mode(query, GST_PAD_MODE_PULL); + return TRUE; + } + default: + { + WARN("Unhandled query type %s\n", GST_QUERY_TYPE_NAME(query)); + return FALSE; + } + } +} + +static gboolean bytestream_pad_mode_activate(GstPad *pad, GstObject *parent, GstPadMode mode, gboolean activate) +{ + struct media_source *source = gst_pad_get_element_private(pad); + + TRACE("%s source pad for mediasource %p in %s mode.\n", + activate ? "Activating" : "Deactivating", source, gst_pad_mode_get_name(mode)); + + return mode == GST_PAD_MODE_PULL; +} + +static gboolean bytestream_pad_event_process(GstPad *pad, GstObject *parent, GstEvent *event) +{ + struct media_source *source = gst_pad_get_element_private(pad); + + TRACE("source %p, type \"%s\".\n", source, GST_EVENT_TYPE_NAME(event)); + + switch (event->type) { + /* the seek event should fail in pull mode */ + case GST_EVENT_SEEK: + return FALSE; + default: + WARN("Ignoring \"%s\" event.\n", GST_EVENT_TYPE_NAME(event)); + case GST_EVENT_TAG: + case GST_EVENT_QOS: + case GST_EVENT_RECONFIGURE: + return gst_pad_event_default(pad, parent, event); + } + return TRUE; +} + static HRESULT WINAPI media_source_QueryInterface(IMFMediaSource *iface, REFIID riid, void **out) { struct media_source *source = impl_from_IMFMediaSource(iface); @@ -211,8 +341,12 @@ static HRESULT WINAPI media_source_Shutdown(IMFMediaSource *iface) source->state = SOURCE_SHUTDOWN; + if (source->my_src) + gst_object_unref(GST_OBJECT(source->my_src)); if (source->event_queue) IMFMediaEventQueue_Shutdown(source->event_queue); + if (source->byte_stream) + IMFByteStream_Release(source->byte_stream); return S_OK; } @@ -236,19 +370,31 @@ static const IMFMediaSourceVtbl IMFMediaSource_vtbl = static HRESULT media_source_constructor(IMFByteStream *bytestream, struct media_source **out_media_source) { + GstStaticPadTemplate src_template = + GST_STATIC_PAD_TEMPLATE("mf_src", GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_CAPS_ANY); + struct media_source *object = heap_alloc_zero(sizeof(*object)); HRESULT hr; if (!object) return E_OUTOFMEMORY; + object->IMFMediaSource_iface.lpVtbl = &IMFMediaSource_vtbl; + object->ref = 1; + object->byte_stream = bytestream; + IMFByteStream_AddRef(bytestream); + if (FAILED(hr = MFCreateEventQueue(&object->event_queue))) goto fail; - object->state = SOURCE_STOPPED; + object->my_src = gst_pad_new_from_static_template(&src_template, "mf-src"); + gst_pad_set_element_private(object->my_src, object); + gst_pad_set_getrange_function(object->my_src, bytestream_wrapper_pull_wrapper); + gst_pad_set_query_function(object->my_src, bytestream_query_wrapper); + gst_pad_set_activatemode_function(object->my_src, bytestream_pad_mode_activate_wrapper); + gst_pad_set_event_function(object->my_src, bytestream_pad_event_process_wrapper); - object->IMFMediaSource_iface.lpVtbl = &IMFMediaSource_vtbl; - object->ref = 1; + object->state = SOURCE_STOPPED; *out_media_source = object; return S_OK; @@ -716,3 +862,40 @@ HRESULT winegstreamer_stream_handler_create(REFIID riid, void **obj) return hr; } + +/* helper for callback forwarding */ +void perform_cb_media_source(struct cb_data *cbdata) +{ + switch(cbdata->type) + { + case BYTESTREAM_WRAPPER_PULL: + { + struct getrange_data *data = &cbdata->u.getrange_data; + cbdata->u.getrange_data.ret = bytestream_wrapper_pull(data->pad, data->parent, + data->ofs, data->len, data->buf); + break; + } + case BYTESTREAM_QUERY: + { + struct query_function_data *data = &cbdata->u.query_function_data; + cbdata->u.query_function_data.ret = bytestream_query(data->pad, data->parent, data->query); + break; + } + case BYTESTREAM_PAD_MODE_ACTIVATE: + { + struct activate_mode_data *data = &cbdata->u.activate_mode_data; + cbdata->u.activate_mode_data.ret = bytestream_pad_mode_activate(data->pad, data->parent, data->mode, data->activate); + break; + } + case BYTESTREAM_PAD_EVENT_PROCESS: + { + struct event_src_data *data = &cbdata->u.event_src_data; + cbdata->u.event_src_data.ret = bytestream_pad_event_process(data->pad, data->parent, data->event); + break; + } + default: + { + assert(0); + } + } +} -- 2.28.0
Signed-off-by: Derek Lesho <dlesho(a)codeweavers.com> --- dlls/winegstreamer/gst_cbs.c | 45 ++++ dlls/winegstreamer/gst_cbs.h | 8 + dlls/winegstreamer/media_source.c | 408 +++++++++++++++++++++++++++++- 3 files changed, 460 insertions(+), 1 deletion(-) diff --git a/dlls/winegstreamer/gst_cbs.c b/dlls/winegstreamer/gst_cbs.c index 12b53bc5d68..51aaefa911d 100644 --- a/dlls/winegstreamer/gst_cbs.c +++ b/dlls/winegstreamer/gst_cbs.c @@ -359,3 +359,48 @@ gboolean bytestream_pad_event_process_wrapper(GstPad *pad, GstObject *parent, Gs return cbdata.u.event_src_data.ret; } + +GstBusSyncReply mf_src_bus_watch_wrapper(GstBus *bus, GstMessage *message, gpointer user) +{ + struct cb_data cbdata = { MF_SRC_BUS_WATCH }; + + cbdata.u.watch_bus_data.bus = bus; + cbdata.u.watch_bus_data.msg = message; + cbdata.u.watch_bus_data.user = user; + + call_cb(&cbdata); + + return cbdata.u.watch_bus_data.ret; +} + +void mf_src_stream_added_wrapper(GstElement *bin, GstPad *pad, gpointer user) +{ + struct cb_data cbdata = { MF_SRC_STREAM_ADDED }; + + cbdata.u.pad_added_data.element = bin; + cbdata.u.pad_added_data.pad = pad; + cbdata.u.pad_added_data.user = user; + + call_cb(&cbdata); +} + +void mf_src_stream_removed_wrapper(GstElement *element, GstPad *pad, gpointer user) +{ + struct cb_data cbdata = { MF_SRC_STREAM_REMOVED }; + + cbdata.u.pad_removed_data.element = element; + cbdata.u.pad_removed_data.pad = pad; + cbdata.u.pad_removed_data.user = user; + + call_cb(&cbdata); +} + +void mf_src_no_more_pads_wrapper(GstElement *element, gpointer user) +{ + struct cb_data cbdata = { MF_SRC_NO_MORE_PADS }; + + cbdata.u.no_more_pads_data.element = element; + cbdata.u.no_more_pads_data.user = user; + + call_cb(&cbdata); +} diff --git a/dlls/winegstreamer/gst_cbs.h b/dlls/winegstreamer/gst_cbs.h index 3459a9ef8ee..a48999bbf71 100644 --- a/dlls/winegstreamer/gst_cbs.h +++ b/dlls/winegstreamer/gst_cbs.h @@ -48,6 +48,10 @@ enum CB_TYPE { BYTESTREAM_QUERY, BYTESTREAM_PAD_MODE_ACTIVATE, BYTESTREAM_PAD_EVENT_PROCESS, + MF_SRC_BUS_WATCH, + MF_SRC_STREAM_ADDED, + MF_SRC_STREAM_REMOVED, + MF_SRC_NO_MORE_PADS, MEDIA_SOURCE_MAX, }; @@ -164,5 +168,9 @@ GstFlowReturn bytestream_wrapper_pull_wrapper(GstPad *pad, GstObject *parent, gu gboolean bytestream_query_wrapper(GstPad *pad, GstObject *parent, GstQuery *query) DECLSPEC_HIDDEN; gboolean bytestream_pad_mode_activate_wrapper(GstPad *pad, GstObject *parent, GstPadMode mode, gboolean activate) DECLSPEC_HIDDEN; gboolean bytestream_pad_event_process_wrapper(GstPad *pad, GstObject *parent, GstEvent *event) DECLSPEC_HIDDEN; +GstBusSyncReply mf_src_bus_watch_wrapper(GstBus *bus, GstMessage *message, gpointer user) DECLSPEC_HIDDEN; +void mf_src_stream_added_wrapper(GstElement *bin, GstPad *pad, gpointer user) DECLSPEC_HIDDEN; +void mf_src_stream_removed_wrapper(GstElement *element, GstPad *pad, gpointer user) DECLSPEC_HIDDEN; +void mf_src_no_more_pads_wrapper(GstElement *element, gpointer user) DECLSPEC_HIDDEN; #endif diff --git a/dlls/winegstreamer/media_source.c b/dlls/winegstreamer/media_source.c index 1accf55c6a2..2d9e56a1696 100644 --- a/dlls/winegstreamer/media_source.c +++ b/dlls/winegstreamer/media_source.c @@ -24,6 +24,7 @@ #include "gst_private.h" #include "gst_cbs.h" +#include <assert.h> #include <stdarg.h> #include <assert.h> @@ -41,21 +42,47 @@ WINE_DEFAULT_DEBUG_CHANNEL(mfplat); +struct media_stream +{ + IMFMediaStream IMFMediaStream_iface; + LONG ref; + struct media_source *parent_source; + IMFMediaEventQueue *event_queue; + GstElement *appsink; + GstPad *their_src, *my_sink; + enum + { + STREAM_INACTIVE, + STREAM_SHUTDOWN, + } state; +}; + struct media_source { IMFMediaSource IMFMediaSource_iface; LONG ref; IMFMediaEventQueue *event_queue; IMFByteStream *byte_stream; - GstPad *my_src; + struct media_stream **streams; + ULONG stream_count; + GstBus *bus; + GstElement *container; + GstElement *decodebin; + GstPad *my_src, *their_sink; enum { SOURCE_OPENING, SOURCE_STOPPED, SOURCE_SHUTDOWN, } state; + HANDLE no_more_pads_event; }; +static inline struct media_stream *impl_from_IMFMediaStream(IMFMediaStream *iface) +{ + return CONTAINING_RECORD(iface, struct media_stream, IMFMediaStream_iface); +} + static inline struct media_source *impl_from_IMFMediaSource(IMFMediaSource *iface) { return CONTAINING_RECORD(iface, struct media_source, IMFMediaSource_iface); @@ -182,6 +209,241 @@ static gboolean bytestream_pad_event_process(GstPad *pad, GstObject *parent, Gst return TRUE; } +GstBusSyncReply bus_watch(GstBus *bus, GstMessage *message, gpointer user) +{ + struct media_source *source = user; + gchar *dbg_info = NULL; + GError *err = NULL; + + TRACE("source %p message type %s\n", source, GST_MESSAGE_TYPE_NAME(message)); + + switch (message->type) + { + case GST_MESSAGE_ERROR: + gst_message_parse_error(message, &err, &dbg_info); + ERR("%s: %s\n", GST_OBJECT_NAME(message->src), err->message); + ERR("%s\n", dbg_info); + g_error_free(err); + g_free(dbg_info); + break; + case GST_MESSAGE_WARNING: + gst_message_parse_warning(message, &err, &dbg_info); + WARN("%s: %s\n", GST_OBJECT_NAME(message->src), err->message); + WARN("%s\n", dbg_info); + g_error_free(err); + g_free(dbg_info); + break; + default: + break; + } + + gst_message_unref(message); + return GST_BUS_DROP; +} + +static HRESULT WINAPI media_stream_QueryInterface(IMFMediaStream *iface, REFIID riid, void **out) +{ + struct media_stream *stream = impl_from_IMFMediaStream(iface); + + TRACE("(%p)->(%s %p)\n", stream, debugstr_guid(riid), out); + + if (IsEqualIID(riid, &IID_IMFMediaStream) || + IsEqualIID(riid, &IID_IMFMediaEventGenerator) || + IsEqualIID(riid, &IID_IUnknown)) + { + *out = &stream->IMFMediaStream_iface; + } + else + { + FIXME("(%s, %p)\n", debugstr_guid(riid), out); + *out = NULL; + return E_NOINTERFACE; + } + + IUnknown_AddRef((IUnknown*)*out); + return S_OK; +} + +static ULONG WINAPI media_stream_AddRef(IMFMediaStream *iface) +{ + struct media_stream *stream = impl_from_IMFMediaStream(iface); + ULONG ref = InterlockedIncrement(&stream->ref); + + TRACE("(%p) ref=%u\n", stream, ref); + + return ref; +} + +static ULONG WINAPI media_stream_Release(IMFMediaStream *iface) +{ + struct media_stream *stream = impl_from_IMFMediaStream(iface); + + ULONG ref = InterlockedDecrement(&stream->ref); + + TRACE("(%p) ref=%u\n", stream, ref); + + if (!ref) + { + if (stream->my_sink) + gst_object_unref(GST_OBJECT(stream->my_sink)); + if (stream->event_queue) + IMFMediaEventQueue_Release(stream->event_queue); + if (stream->parent_source) + IMFMediaSource_Release(&stream->parent_source->IMFMediaSource_iface); + + heap_free(stream); + } + + return ref; +} + +static HRESULT WINAPI media_stream_GetEvent(IMFMediaStream *iface, DWORD flags, IMFMediaEvent **event) +{ + struct media_stream *stream = impl_from_IMFMediaStream(iface); + + TRACE("(%p)->(%#x, %p)\n", stream, flags, event); + + if (stream->state == STREAM_SHUTDOWN) + return MF_E_SHUTDOWN; + + return IMFMediaEventQueue_GetEvent(stream->event_queue, flags, event); +} + +static HRESULT WINAPI media_stream_BeginGetEvent(IMFMediaStream *iface, IMFAsyncCallback *callback, IUnknown *state) +{ + struct media_stream *stream = impl_from_IMFMediaStream(iface); + + TRACE("(%p)->(%p, %p)\n", stream, callback, state); + + if (stream->state == STREAM_SHUTDOWN) + return MF_E_SHUTDOWN; + + return IMFMediaEventQueue_BeginGetEvent(stream->event_queue, callback, state); +} + +static HRESULT WINAPI media_stream_EndGetEvent(IMFMediaStream *iface, IMFAsyncResult *result, IMFMediaEvent **event) +{ + struct media_stream *stream = impl_from_IMFMediaStream(iface); + + TRACE("(%p)->(%p, %p)\n", stream, result, event); + + if (stream->state == STREAM_SHUTDOWN) + return MF_E_SHUTDOWN; + + return IMFMediaEventQueue_EndGetEvent(stream->event_queue, result, event); +} + +static HRESULT WINAPI media_stream_QueueEvent(IMFMediaStream *iface, MediaEventType event_type, REFGUID ext_type, + HRESULT hr, const PROPVARIANT *value) +{ + struct media_stream *stream = impl_from_IMFMediaStream(iface); + + TRACE("(%p)->(%d, %s, %#x, %p)\n", stream, event_type, debugstr_guid(ext_type), hr, value); + + if (stream->state == STREAM_SHUTDOWN) + return MF_E_SHUTDOWN; + + return IMFMediaEventQueue_QueueEventParamVar(stream->event_queue, event_type, ext_type, hr, value); +} + +static HRESULT WINAPI media_stream_GetMediaSource(IMFMediaStream *iface, IMFMediaSource **source) +{ + struct media_stream *stream = impl_from_IMFMediaStream(iface); + + FIXME("stub (%p)->(%p)\n", stream, source); + + if (stream->state == STREAM_SHUTDOWN) + return MF_E_SHUTDOWN; + + return E_NOTIMPL; +} + +static HRESULT WINAPI media_stream_GetStreamDescriptor(IMFMediaStream* iface, IMFStreamDescriptor **descriptor) +{ + struct media_stream *stream = impl_from_IMFMediaStream(iface); + + TRACE("(%p)->(%p)\n", stream, descriptor); + + if (stream->state == STREAM_SHUTDOWN) + return MF_E_SHUTDOWN; + + return E_NOTIMPL; +} + +static HRESULT WINAPI media_stream_RequestSample(IMFMediaStream *iface, IUnknown *token) +{ + struct media_stream *stream = impl_from_IMFMediaStream(iface); + + TRACE("(%p)->(%p)\n", iface, token); + + if (stream->state == STREAM_SHUTDOWN) + return MF_E_SHUTDOWN; + + return E_NOTIMPL; +} + +static const IMFMediaStreamVtbl media_stream_vtbl = +{ + media_stream_QueryInterface, + media_stream_AddRef, + media_stream_Release, + media_stream_GetEvent, + media_stream_BeginGetEvent, + media_stream_EndGetEvent, + media_stream_QueueEvent, + media_stream_GetMediaSource, + media_stream_GetStreamDescriptor, + media_stream_RequestSample +}; + +static HRESULT new_media_stream(struct media_source *source, GstPad *pad, struct media_stream **out_stream) +{ + struct media_stream *object = heap_alloc_zero(sizeof(*object)); + HRESULT hr; + + TRACE("(%p %p)->(%p)\n", source, pad, out_stream); + + object->IMFMediaStream_iface.lpVtbl = &media_stream_vtbl; + object->ref = 1; + + IMFMediaSource_AddRef(&source->IMFMediaSource_iface); + object->parent_source = source; + object->their_src = pad; + + object->state = STREAM_INACTIVE; + + if (FAILED(hr = MFCreateEventQueue(&object->event_queue))) + goto fail; + + if (!(object->appsink = gst_element_factory_make("appsink", NULL))) + { + hr = E_OUTOFMEMORY; + goto fail; + } + gst_bin_add(GST_BIN(object->parent_source->container), object->appsink); + + g_object_set(object->appsink, "sync", FALSE, NULL); + g_object_set(object->appsink, "max-buffers", 5, NULL); + + object->my_sink = gst_element_get_static_pad(object->appsink, "sink"); + gst_pad_set_element_private(object->my_sink, object); + + gst_pad_link(object->their_src, object->my_sink); + + gst_element_sync_state_with_parent(object->appsink); + + TRACE("->(%p)\n", object); + *out_stream = object; + + return S_OK; + +fail: + WARN("Failed to construct media stream, hr %#x.\n", hr); + + IMFMediaStream_Release(&object->IMFMediaStream_iface); + return hr; +} + static HRESULT WINAPI media_source_QueryInterface(IMFMediaSource *iface, REFIID riid, void **out) { struct media_source *source = impl_from_IMFMediaSource(iface); @@ -333,6 +595,7 @@ static HRESULT WINAPI media_source_Pause(IMFMediaSource *iface) static HRESULT WINAPI media_source_Shutdown(IMFMediaSource *iface) { struct media_source *source = impl_from_IMFMediaSource(iface); + unsigned int i; TRACE("(%p)\n", source); @@ -341,13 +604,34 @@ static HRESULT WINAPI media_source_Shutdown(IMFMediaSource *iface) source->state = SOURCE_SHUTDOWN; + if (source->container) + { + gst_element_set_state(source->container, GST_STATE_NULL); + gst_object_unref(GST_OBJECT(source->container)); + } + if (source->my_src) gst_object_unref(GST_OBJECT(source->my_src)); + if (source->their_sink) + gst_object_unref(GST_OBJECT(source->their_sink)); + if (source->event_queue) IMFMediaEventQueue_Shutdown(source->event_queue); if (source->byte_stream) IMFByteStream_Release(source->byte_stream); + for (i = 0; i < source->stream_count; i++) + { + source->streams[i]->state = STREAM_SHUTDOWN; + IMFMediaStream_Release(&source->streams[i]->IMFMediaStream_iface); + } + + if (source->stream_count) + heap_free(source->streams); + + if (source->no_more_pads_event) + CloseHandle(source->no_more_pads_event); + return S_OK; } @@ -368,6 +652,50 @@ static const IMFMediaSourceVtbl IMFMediaSource_vtbl = media_source_Shutdown, }; +static void stream_added(GstElement *element, GstPad *pad, gpointer user) +{ + struct media_source *source = user; + struct media_stream **new_stream_array; + struct media_stream *stream; + + if (gst_pad_get_direction(pad) != GST_PAD_SRC) + return; + + if (FAILED(new_media_stream(source, pad, &stream))) + return; + + if (!(new_stream_array = heap_realloc(source->streams, (source->stream_count + 1) * (sizeof(*new_stream_array))))) + { + ERR("Failed to add stream to source\n"); + IMFMediaStream_Release(&stream->IMFMediaStream_iface); + return; + } + + source->streams = new_stream_array; + source->streams[source->stream_count++] = stream; +} + +static void stream_removed(GstElement *element, GstPad *pad, gpointer user) +{ + struct media_source *source = user; + unsigned int i; + + for (i = 0; i < source->stream_count; i++) + { + struct media_stream *stream = source->streams[i]; + if (stream->their_src != pad) + continue; + stream->their_src = NULL; + } +} + +static void no_more_pads(GstElement *element, gpointer user) +{ + struct media_source *source = user; + + SetEvent(source->no_more_pads_event); +} + static HRESULT media_source_constructor(IMFByteStream *bytestream, struct media_source **out_media_source) { GstStaticPadTemplate src_template = @@ -375,6 +703,7 @@ static HRESULT media_source_constructor(IMFByteStream *bytestream, struct media_ struct media_source *object = heap_alloc_zero(sizeof(*object)); HRESULT hr; + int ret; if (!object) return E_OUTOFMEMORY; @@ -383,10 +712,16 @@ static HRESULT media_source_constructor(IMFByteStream *bytestream, struct media_ object->ref = 1; object->byte_stream = bytestream; IMFByteStream_AddRef(bytestream); + object->no_more_pads_event = CreateEventA(NULL, FALSE, FALSE, NULL); if (FAILED(hr = MFCreateEventQueue(&object->event_queue))) goto fail; + object->container = gst_bin_new(NULL); + object->bus = gst_bus_new(); + gst_bus_set_sync_handler(object->bus, mf_src_bus_watch_wrapper, object, NULL); + gst_element_set_bus(object->container, object->bus); + object->my_src = gst_pad_new_from_static_template(&src_template, "mf-src"); gst_pad_set_element_private(object->my_src, object); gst_pad_set_getrange_function(object->my_src, bytestream_wrapper_pull_wrapper); @@ -394,6 +729,53 @@ static HRESULT media_source_constructor(IMFByteStream *bytestream, struct media_ gst_pad_set_activatemode_function(object->my_src, bytestream_pad_mode_activate_wrapper); gst_pad_set_event_function(object->my_src, bytestream_pad_event_process_wrapper); + if (!(object->decodebin = gst_element_factory_make("decodebin", NULL))) + { + WARN("Failed to create decodebin for source\n"); + hr = E_OUTOFMEMORY; + goto fail; + } + + /* In Media Foundation, sources may read from any media source stream + without fear of blocking due to buffering limits on another. Trailmakers, + a Unity3D engine game does this by only reading from the audio stream once, + and never deselecting this. These properties replicate that behavior. + + Note that with most elements, this causes excessive memory use, however + this is also what occurs on Windows. + */ + g_object_set(object->decodebin, "max-size-buffers", 0, NULL); + g_object_set(object->decodebin, "max-size-time", G_GUINT64_CONSTANT(0), NULL); + g_object_set(object->decodebin, "max-size-bytes", 0, NULL); + + gst_bin_add(GST_BIN(object->container), object->decodebin); + + g_signal_connect(object->decodebin, "pad-added", G_CALLBACK(mf_src_stream_added_wrapper), object); + g_signal_connect(object->decodebin, "pad-removed", G_CALLBACK(mf_src_stream_removed_wrapper), object); + g_signal_connect(object->decodebin, "no-more-pads", G_CALLBACK(mf_src_no_more_pads_wrapper), object); + + object->their_sink = gst_element_get_static_pad(object->decodebin, "sink"); + + if ((ret = gst_pad_link(object->my_src, object->their_sink)) < 0) + { + WARN("Failed to link our bytestream pad to the demuxer input, error %d.\n", ret); + hr = E_FAIL; + goto fail; + } + + object->state = SOURCE_OPENING; + + gst_element_set_state(object->container, GST_STATE_PAUSED); + ret = gst_element_get_state(object->container, NULL, NULL, -1); + if (ret == GST_STATE_CHANGE_FAILURE) + { + ERR("Failed to play source, error %d.\n", ret); + hr = E_FAIL; + goto fail; + } + + WaitForSingleObject(object->no_more_pads_event, INFINITE); + object->state = SOURCE_STOPPED; *out_media_source = object; @@ -893,6 +1275,30 @@ void perform_cb_media_source(struct cb_data *cbdata) cbdata->u.event_src_data.ret = bytestream_pad_event_process(data->pad, data->parent, data->event); break; } + case MF_SRC_BUS_WATCH: + { + struct watch_bus_data *data = &cbdata->u.watch_bus_data; + cbdata->u.watch_bus_data.ret = bus_watch(data->bus, data->msg, data->user); + break; + } + case MF_SRC_STREAM_ADDED: + { + struct pad_added_data *data = &cbdata->u.pad_added_data; + stream_added(data->element, data->pad, data->user); + break; + } + case MF_SRC_STREAM_REMOVED: + { + struct pad_removed_data *data = &cbdata->u.pad_removed_data; + stream_removed(data->element, data->pad, data->user); + break; + } + case MF_SRC_NO_MORE_PADS: + { + struct no_more_pads_data *data = &cbdata->u.no_more_pads_data; + no_more_pads(data->element, data->user); + break; + } default: { assert(0); -- 2.28.0
Signed-off-by: Derek Lesho <dlesho(a)codeweavers.com> --- v3: Remove redundant statement. --- dlls/winegstreamer/gst_private.h | 4 + dlls/winegstreamer/media_source.c | 59 ++++++++++- dlls/winegstreamer/mfplat.c | 165 ++++++++++++++++++++++++++++++ 3 files changed, 223 insertions(+), 5 deletions(-) diff --git a/dlls/winegstreamer/gst_private.h b/dlls/winegstreamer/gst_private.h index ef07d3591e7..60b38a48f5a 100644 --- a/dlls/winegstreamer/gst_private.h +++ b/dlls/winegstreamer/gst_private.h @@ -36,6 +36,7 @@ #include "winuser.h" #include "dshow.h" #include "strmif.h" +#include "mfobjects.h" #include "wine/heap.h" #include "wine/strmbase.h" @@ -54,6 +55,9 @@ void start_dispatch_thread(void) DECLSPEC_HIDDEN; extern HRESULT mfplat_get_class_object(REFCLSID rclsid, REFIID riid, void **obj) DECLSPEC_HIDDEN; +HRESULT winegstreamer_stream_handler_create(REFIID riid, void **obj) DECLSPEC_HIDDEN; +IMFMediaType *mf_media_type_from_caps(const GstCaps *caps) DECLSPEC_HIDDEN; + HRESULT winegstreamer_stream_handler_create(REFIID riid, void **obj) DECLSPEC_HIDDEN; #endif /* __GST_PRIVATE_INCLUDED__ */ diff --git a/dlls/winegstreamer/media_source.c b/dlls/winegstreamer/media_source.c index 2d9e56a1696..29947e1554f 100644 --- a/dlls/winegstreamer/media_source.c +++ b/dlls/winegstreamer/media_source.c @@ -48,6 +48,7 @@ struct media_stream LONG ref; struct media_source *parent_source; IMFMediaEventQueue *event_queue; + IMFStreamDescriptor *descriptor; GstElement *appsink; GstPad *their_src, *my_sink; enum @@ -55,6 +56,7 @@ struct media_stream STREAM_INACTIVE, STREAM_SHUTDOWN, } state; + DWORD stream_id; }; struct media_source @@ -286,6 +288,8 @@ static ULONG WINAPI media_stream_Release(IMFMediaStream *iface) { if (stream->my_sink) gst_object_unref(GST_OBJECT(stream->my_sink)); + if (stream->descriptor) + IMFStreamDescriptor_Release(stream->descriptor); if (stream->event_queue) IMFMediaEventQueue_Release(stream->event_queue); if (stream->parent_source) @@ -367,7 +371,10 @@ static HRESULT WINAPI media_stream_GetStreamDescriptor(IMFMediaStream* iface, IM if (stream->state == STREAM_SHUTDOWN) return MF_E_SHUTDOWN; - return E_NOTIMPL; + IMFStreamDescriptor_AddRef(stream->descriptor); + *descriptor = stream->descriptor; + + return S_OK; } static HRESULT WINAPI media_stream_RequestSample(IMFMediaStream *iface, IUnknown *token) @@ -396,7 +403,7 @@ static const IMFMediaStreamVtbl media_stream_vtbl = media_stream_RequestSample }; -static HRESULT new_media_stream(struct media_source *source, GstPad *pad, struct media_stream **out_stream) +static HRESULT new_media_stream(struct media_source *source, GstPad *pad, DWORD stream_id, struct media_stream **out_stream) { struct media_stream *object = heap_alloc_zero(sizeof(*object)); HRESULT hr; @@ -409,6 +416,7 @@ static HRESULT new_media_stream(struct media_source *source, GstPad *pad, struct IMFMediaSource_AddRef(&source->IMFMediaSource_iface); object->parent_source = source; object->their_src = pad; + object->stream_id = stream_id; object->state = STREAM_INACTIVE; @@ -426,8 +434,6 @@ static HRESULT new_media_stream(struct media_source *source, GstPad *pad, struct g_object_set(object->appsink, "max-buffers", 5, NULL); object->my_sink = gst_element_get_static_pad(object->appsink, "sink"); - gst_pad_set_element_private(object->my_sink, object); - gst_pad_link(object->their_src, object->my_sink); gst_element_sync_state_with_parent(object->appsink); @@ -444,6 +450,35 @@ fail: return hr; } +static HRESULT media_stream_init_desc(struct media_stream *stream) +{ + GstCaps *current_caps = gst_pad_get_current_caps(stream->their_src); + IMFMediaTypeHandler *type_handler; + IMFMediaType *stream_type = NULL; + HRESULT hr; + + stream_type = mf_media_type_from_caps(current_caps); + gst_caps_unref(current_caps); + if (!stream_type) + return E_FAIL; + + hr = MFCreateStreamDescriptor(stream->stream_id, 1, &stream_type, &stream->descriptor); + + IMFMediaType_Release(stream_type); + + if (FAILED(hr)) + return hr; + + if (FAILED(hr = IMFStreamDescriptor_GetMediaTypeHandler(stream->descriptor, &type_handler))) + return hr; + + hr = IMFMediaTypeHandler_SetCurrentMediaType(type_handler, stream_type); + + IMFMediaTypeHandler_Release(type_handler); + + return hr; +} + static HRESULT WINAPI media_source_QueryInterface(IMFMediaSource *iface, REFIID riid, void **out) { struct media_source *source = impl_from_IMFMediaSource(iface); @@ -661,7 +696,7 @@ static void stream_added(GstElement *element, GstPad *pad, gpointer user) if (gst_pad_get_direction(pad) != GST_PAD_SRC) return; - if (FAILED(new_media_stream(source, pad, &stream))) + if (FAILED(new_media_stream(source, pad, source->stream_count, &stream))) return; if (!(new_stream_array = heap_realloc(source->streams, (source->stream_count + 1) * (sizeof(*new_stream_array))))) @@ -686,6 +721,7 @@ static void stream_removed(GstElement *element, GstPad *pad, gpointer user) if (stream->their_src != pad) continue; stream->their_src = NULL; + stream->state = STREAM_INACTIVE; } } @@ -702,6 +738,7 @@ static HRESULT media_source_constructor(IMFByteStream *bytestream, struct media_ GST_STATIC_PAD_TEMPLATE("mf_src", GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_CAPS_ANY); struct media_source *object = heap_alloc_zero(sizeof(*object)); + unsigned int i; HRESULT hr; int ret; @@ -775,6 +812,18 @@ static HRESULT media_source_constructor(IMFByteStream *bytestream, struct media_ } WaitForSingleObject(object->no_more_pads_event, INFINITE); + for (i = 0; i < object->stream_count; i++) + { + GstSample *preroll; + g_signal_emit_by_name(object->streams[i]->appsink, "pull-preroll", &preroll); + if (FAILED(hr = media_stream_init_desc(object->streams[i]))) + { + ERR("Failed to finish initialization of media stream %p, hr %x.\n", object->streams[i], hr); + IMFMediaStream_Release(&object->streams[i]->IMFMediaStream_iface); + goto fail; + } + gst_sample_unref(preroll); + } object->state = SOURCE_STOPPED; diff --git a/dlls/winegstreamer/mfplat.c b/dlls/winegstreamer/mfplat.c index c996f06211e..2e8b0978648 100644 --- a/dlls/winegstreamer/mfplat.c +++ b/dlls/winegstreamer/mfplat.c @@ -16,6 +16,11 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ +#include "config.h" +#include <gst/gst.h> + +#include "gst_private.h" + #include <stdarg.h> #include "gst_private.h" @@ -436,3 +441,163 @@ HRESULT mfplat_get_class_object(REFCLSID rclsid, REFIID riid, void **obj) return CLASS_E_CLASSNOTAVAILABLE; } + +static const struct +{ + const GUID *subtype; + GstVideoFormat format; +} +uncompressed_video_formats[] = +{ + {&MFVideoFormat_ARGB32, GST_VIDEO_FORMAT_BGRA}, + {&MFVideoFormat_RGB32, GST_VIDEO_FORMAT_BGRx}, + {&MFVideoFormat_RGB24, GST_VIDEO_FORMAT_BGR}, + {&MFVideoFormat_RGB565, GST_VIDEO_FORMAT_BGR16}, + {&MFVideoFormat_RGB555, GST_VIDEO_FORMAT_BGR15}, +}; + +/* returns NULL if doesn't match exactly */ +IMFMediaType *mf_media_type_from_caps(const GstCaps *caps) +{ + IMFMediaType *media_type; + GstStructure *info; + const char *mime_type; + + if (TRACE_ON(mfplat)) + { + gchar *human_readable = gst_caps_to_string(caps); + TRACE("caps = %s\n", debugstr_a(human_readable)); + g_free(human_readable); + } + + if (FAILED(MFCreateMediaType(&media_type))) + return NULL; + + info = gst_caps_get_structure(caps, 0); + mime_type = gst_structure_get_name(info); + + if (!strncmp(mime_type, "video", 5)) + { + GstVideoInfo video_info; + + if (!gst_video_info_from_caps(&video_info, caps)) + { + return NULL; + } + + IMFMediaType_SetGUID(media_type, &MF_MT_MAJOR_TYPE, &MFMediaType_Video); + + IMFMediaType_SetUINT64(media_type, &MF_MT_FRAME_SIZE, ((UINT64)video_info.width << 32) | video_info.height); + + IMFMediaType_SetUINT64(media_type, &MF_MT_FRAME_RATE, ((UINT64)video_info.fps_n << 32) | video_info.fps_d); + + if (!strcmp(mime_type, "video/x-raw")) + { + GUID fourcc_subtype = MFVideoFormat_Base; + unsigned int i; + + IMFMediaType_SetUINT32(media_type, &MF_MT_COMPRESSED, FALSE); + + /* First try FOURCC */ + if ((fourcc_subtype.Data1 = gst_video_format_to_fourcc(video_info.finfo->format))) + { + IMFMediaType_SetGUID(media_type, &MF_MT_SUBTYPE, &fourcc_subtype); + } + else + { + for (i = 0; i < ARRAY_SIZE(uncompressed_video_formats); i++) + { + if (uncompressed_video_formats[i].format == video_info.finfo->format) + { + IMFMediaType_SetGUID(media_type, &MF_MT_SUBTYPE, uncompressed_video_formats[i].subtype); + break; + } + } + if (i == ARRAY_SIZE(uncompressed_video_formats)) + { + FIXME("Unrecognized uncompressed video format %s\n", gst_video_format_to_string(video_info.finfo->format)); + IMFMediaType_Release(media_type); + return NULL; + } + } + } + else + { + FIXME("Unrecognized video format %s\n", mime_type); + return NULL; + } + } + else if (!strncmp(mime_type, "audio", 5)) + { + gint rate, channels, bitrate; + guint64 channel_mask; + IMFMediaType_SetGUID(media_type, &MF_MT_MAJOR_TYPE, &MFMediaType_Audio); + + if (gst_structure_get_int(info, "rate", &rate)) + IMFMediaType_SetUINT32(media_type, &MF_MT_AUDIO_SAMPLES_PER_SECOND, rate); + + if (gst_structure_get_int(info, "channels", &channels)) + IMFMediaType_SetUINT32(media_type, &MF_MT_AUDIO_NUM_CHANNELS, channels); + + if (gst_structure_get(info, "channel-mask", GST_TYPE_BITMASK, &channel_mask, NULL)) + IMFMediaType_SetUINT32(media_type, &MF_MT_AUDIO_CHANNEL_MASK, channel_mask); + + if (gst_structure_get_int(info, "bitrate", &bitrate)) + IMFMediaType_SetUINT32(media_type, &MF_MT_AVG_BITRATE, bitrate); + + if (!strcmp(mime_type, "audio/x-raw")) + { + GstAudioInfo audio_info; + DWORD depth; + + if (!gst_audio_info_from_caps(&audio_info, caps)) + { + ERR("Failed to get caps audio info\n"); + IMFMediaType_Release(media_type); + return NULL; + } + + depth = GST_AUDIO_INFO_DEPTH(&audio_info); + + /* validation */ + if ((audio_info.finfo->flags & GST_AUDIO_FORMAT_FLAG_INTEGER && depth > 8) || + (audio_info.finfo->flags & GST_AUDIO_FORMAT_FLAG_SIGNED && depth <= 8) || + (audio_info.finfo->endianness != G_LITTLE_ENDIAN && depth > 8)) + { + IMFMediaType_Release(media_type); + return NULL; + } + + /* conversion */ + switch (audio_info.finfo->flags) + { + case GST_AUDIO_FORMAT_FLAG_FLOAT: + IMFMediaType_SetGUID(media_type, &MF_MT_SUBTYPE, &MFAudioFormat_Float); + break; + case GST_AUDIO_FORMAT_FLAG_INTEGER: + case GST_AUDIO_FORMAT_FLAG_SIGNED: + IMFMediaType_SetGUID(media_type, &MF_MT_SUBTYPE, &MFAudioFormat_PCM); + break; + default: + FIXME("Unrecognized audio format %x\n", audio_info.finfo->format); + IMFMediaType_Release(media_type); + return NULL; + } + + IMFMediaType_SetUINT32(media_type, &MF_MT_AUDIO_BITS_PER_SAMPLE, depth); + } + else + { + FIXME("Unrecognized audio format %s\n", mime_type); + IMFMediaType_Release(media_type); + return NULL; + } + } + else + { + IMFMediaType_Release(media_type); + return NULL; + } + + return media_type; +} -- 2.28.0
participants (1)
-
Derek Lesho