[PATCH] mfreadwrite/reader: Allocate output samples on read requests.
Instead of tracking when free notifications, simply propagate allocation error to the caller. Behavior spotted by Giovanni. Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com> --- dlls/mfreadwrite/reader.c | 138 +++++++------------------------------- 1 file changed, 25 insertions(+), 113 deletions(-) diff --git a/dlls/mfreadwrite/reader.c b/dlls/mfreadwrite/reader.c index e7b7b555e68..741ef93f367 100644 --- a/dlls/mfreadwrite/reader.c +++ b/dlls/mfreadwrite/reader.c @@ -52,7 +52,6 @@ struct stream_response DWORD stream_flags; LONGLONG timestamp; IMFSample *sample; - unsigned int sa_pending : 1; }; enum media_stream_state @@ -87,7 +86,6 @@ struct media_stream IMFMediaType *current; struct stream_transform decoder; IMFVideoSampleAllocatorEx *allocator; - IMFVideoSampleAllocatorNotify notify_cb; DWORD id; unsigned int index; enum media_stream_state state; @@ -103,7 +101,6 @@ enum source_reader_async_op SOURCE_READER_ASYNC_SEEK, SOURCE_READER_ASYNC_FLUSH, SOURCE_READER_ASYNC_SAMPLE_READY, - SOURCE_READER_ASYNC_SA_READY, }; struct source_reader_async_command @@ -201,11 +198,6 @@ static struct source_reader_async_command *impl_from_async_command_IUnknown(IUnk return CONTAINING_RECORD(iface, struct source_reader_async_command, IUnknown_iface); } -static struct media_stream *impl_stream_from_IMFVideoSampleAllocatorNotify(IMFVideoSampleAllocatorNotify *iface) -{ - return CONTAINING_RECORD(iface, struct media_stream, notify_cb); -} - static void source_reader_release_responses(struct source_reader *reader, struct media_stream *stream); static ULONG source_reader_addref(struct source_reader *reader) @@ -394,7 +386,7 @@ static void source_reader_response_ready(struct source_reader *reader, struct st struct media_stream *stream = &reader->streams[response->stream_index]; HRESULT hr; - if (!stream->requests || response->sa_pending) + if (!stream->requests) return; if (reader->async_callback) @@ -446,20 +438,6 @@ static void source_reader_copy_sample_buffer(IMFSample *src, IMFSample *dst) } } -static void source_reader_set_sa_response(struct source_reader *reader, struct stream_response *response) -{ - struct media_stream *stream = &reader->streams[response->stream_index]; - IMFSample *sample; - - if (SUCCEEDED(IMFVideoSampleAllocatorEx_AllocateSample(stream->allocator, &sample))) - { - source_reader_copy_sample_buffer(response->sample, sample); - response->sa_pending = 0; - IMFSample_Release(response->sample); - response->sample = sample; - } -} - static HRESULT source_reader_queue_response(struct source_reader *reader, struct media_stream *stream, HRESULT status, DWORD stream_flags, LONGLONG timestamp, IMFSample *sample) { @@ -476,12 +454,6 @@ static HRESULT source_reader_queue_response(struct source_reader *reader, struct if (response->sample) IMFSample_AddRef(response->sample); - if (response->sample && stream->allocator) - { - response->sa_pending = 1; - source_reader_set_sa_response(reader, response); - } - list_add_tail(&reader->responses, &response->entry); stream->responses++; @@ -975,26 +947,37 @@ static struct stream_response * media_stream_detach_response(struct source_reade static struct stream_response *media_stream_pop_response(struct source_reader *reader, struct media_stream *stream) { struct stream_response *response; + IMFSample *sample; + HRESULT hr; LIST_FOR_EACH_ENTRY(response, &reader->responses, struct stream_response, entry) { - if ((stream && response->stream_index != stream->index) || response->sa_pending) + if (stream && response->stream_index != stream->index) continue; - return media_stream_detach_response(reader, response); - } + if (!stream) stream = &reader->streams[response->stream_index]; - return NULL; -} + if (stream->allocator) + { + /* Return allocation error to the caller, while keeping original response sample in for later. */ + if (SUCCEEDED(hr = IMFVideoSampleAllocatorEx_AllocateSample(stream->allocator, &sample))) + { + source_reader_copy_sample_buffer(response->sample, sample); + IMFSample_Release(response->sample); + response->sample = sample; + } + else + { + if (!(response = calloc(1, sizeof(*response)))) + return NULL; -static struct stream_response *media_stream_pick_pending_response(struct source_reader *reader, unsigned int stream) -{ - struct stream_response *response; + response->status = hr; + response->stream_flags = MF_SOURCE_READERF_ERROR; + return response; + } + } - LIST_FOR_EACH_ENTRY(response, &reader->responses, struct stream_response, entry) - { - if (response->stream_index == stream && response->sa_pending) - return response; + return media_stream_detach_response(reader, response); } return NULL; @@ -1070,7 +1053,7 @@ static BOOL source_reader_got_response_for_stream(struct source_reader *reader, LIST_FOR_EACH_ENTRY(response, &reader->responses, struct stream_response, entry) { - if (response->stream_index == stream->index && !response->sa_pending) + if (response->stream_index == stream->index) return TRUE; } @@ -1308,18 +1291,6 @@ static HRESULT WINAPI source_reader_async_commands_callback_Invoke(IMFAsyncCallb break; - case SOURCE_READER_ASYNC_SA_READY: - - EnterCriticalSection(&reader->cs); - if ((response = media_stream_pick_pending_response(reader, command->u.sa.stream_index))) - { - source_reader_set_sa_response(reader, response); - source_reader_response_ready(reader, response); - } - LeaveCriticalSection(&reader->cs); - - break; - case SOURCE_READER_ASYNC_SAMPLE_READY: EnterCriticalSection(&reader->cs); @@ -1683,7 +1654,6 @@ static HRESULT source_reader_set_compatible_media_type(struct source_reader *rea static HRESULT source_reader_setup_sample_allocator(struct source_reader *reader, unsigned int index) { struct media_stream *stream = &reader->streams[index]; - IMFVideoSampleAllocatorCallback *callback; GUID major = { 0 }; HRESULT hr; @@ -1713,13 +1683,6 @@ static HRESULT source_reader_setup_sample_allocator(struct source_reader *reader if (FAILED(hr = IMFVideoSampleAllocatorEx_InitializeSampleAllocatorEx(stream->allocator, 2, 8, NULL, stream->current))) WARN("Failed to initialize sample allocator, hr %#lx.\n", hr); - if (SUCCEEDED(IMFVideoSampleAllocatorEx_QueryInterface(stream->allocator, &IID_IMFVideoSampleAllocatorCallback, (void **)&callback))) - { - if (FAILED(hr = IMFVideoSampleAllocatorCallback_SetCallback(callback, &stream->notify_cb))) - WARN("Failed to set allocator callback, hr %#lx.\n", hr); - IMFVideoSampleAllocatorCallback_Release(callback); - } - return hr; } @@ -2283,56 +2246,6 @@ static DWORD reader_get_first_stream_index(IMFPresentationDescriptor *descriptor return MF_SOURCE_READER_INVALID_STREAM_INDEX; } -static HRESULT WINAPI stream_sample_allocator_cb_QueryInterface(IMFVideoSampleAllocatorNotify *iface, - REFIID riid, void **obj) -{ - if (IsEqualIID(riid, &IID_IMFVideoSampleAllocatorNotify) || - IsEqualIID(riid, &IID_IUnknown)) - { - *obj = iface; - IMFVideoSampleAllocatorNotify_AddRef(iface); - return S_OK; - } - - *obj = NULL; - return E_NOINTERFACE; -} - -static ULONG WINAPI stream_sample_allocator_cb_AddRef(IMFVideoSampleAllocatorNotify *iface) -{ - struct media_stream *stream = impl_stream_from_IMFVideoSampleAllocatorNotify(iface); - return source_reader_addref(stream->reader); -} - -static ULONG WINAPI stream_sample_allocator_cb_Release(IMFVideoSampleAllocatorNotify *iface) -{ - struct media_stream *stream = impl_stream_from_IMFVideoSampleAllocatorNotify(iface); - return source_reader_release(stream->reader); -} - -static HRESULT WINAPI stream_sample_allocator_cb_NotifyRelease(IMFVideoSampleAllocatorNotify *iface) -{ - struct media_stream *stream = impl_stream_from_IMFVideoSampleAllocatorNotify(iface); - struct source_reader_async_command *command; - - if (SUCCEEDED(source_reader_create_async_op(SOURCE_READER_ASYNC_SA_READY, &command))) - { - command->u.sa.stream_index = stream->index; - MFPutWorkItem(stream->reader->queue, &stream->reader->async_commands_callback, &command->IUnknown_iface); - IUnknown_Release(&command->IUnknown_iface); - } - - return S_OK; -} - -static const IMFVideoSampleAllocatorNotifyVtbl stream_sample_allocator_cb_vtbl = -{ - stream_sample_allocator_cb_QueryInterface, - stream_sample_allocator_cb_AddRef, - stream_sample_allocator_cb_Release, - stream_sample_allocator_cb_NotifyRelease, -}; - static HRESULT create_source_reader_from_source(IMFMediaSource *source, IMFAttributes *attributes, BOOL shutdown_on_release, REFIID riid, void **out) { @@ -2404,7 +2317,6 @@ static HRESULT create_source_reader_from_source(IMFMediaSource *source, IMFAttri if (FAILED(hr)) break; - object->streams[i].notify_cb.lpVtbl = &stream_sample_allocator_cb_vtbl; object->streams[i].reader = object; object->streams[i].index = i; } -- 2.35.1
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Nikolay Sivov