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git://source.winehq.org/git/wine.git
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dfb161624f
This releases the samples wg_transform might have referenced before destruction. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=53342
870 lines
28 KiB
C
870 lines
28 KiB
C
/*
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* DirectShow transform filters
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*
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* Copyright 2022 Anton Baskanov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "gst_private.h"
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#include "gst_guids.h"
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#include "mferror.h"
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#include "mpegtype.h"
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WINE_DEFAULT_DEBUG_CHANNEL(quartz);
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WINE_DECLARE_DEBUG_CHANNEL(winediag);
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struct transform
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{
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struct strmbase_filter filter;
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IMpegAudioDecoder IMpegAudioDecoder_iface;
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struct strmbase_sink sink;
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struct strmbase_source source;
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struct strmbase_passthrough passthrough;
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IQualityControl sink_IQualityControl_iface;
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IQualityControl source_IQualityControl_iface;
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IQualityControl *qc_sink;
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struct wg_transform *transform;
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struct wg_sample_queue *sample_queue;
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const struct transform_ops *ops;
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};
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struct transform_ops
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{
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HRESULT (*sink_query_accept)(struct transform *filter, const AM_MEDIA_TYPE *mt);
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HRESULT (*source_query_accept)(struct transform *filter, const AM_MEDIA_TYPE *mt);
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HRESULT (*source_get_media_type)(struct transform *filter, unsigned int index, AM_MEDIA_TYPE *mt);
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HRESULT (*source_decide_buffer_size)(struct transform *filter, IMemAllocator *allocator, ALLOCATOR_PROPERTIES *props);
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};
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static inline struct transform *impl_from_strmbase_filter(struct strmbase_filter *iface)
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{
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return CONTAINING_RECORD(iface, struct transform, filter);
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}
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static struct strmbase_pin *transform_get_pin(struct strmbase_filter *iface, unsigned int index)
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{
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struct transform *filter = impl_from_strmbase_filter(iface);
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if (index == 0)
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return &filter->sink.pin;
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if (index == 1)
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return &filter->source.pin;
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return NULL;
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}
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static void transform_destroy(struct strmbase_filter *iface)
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{
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struct transform *filter = impl_from_strmbase_filter(iface);
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strmbase_passthrough_cleanup(&filter->passthrough);
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strmbase_source_cleanup(&filter->source);
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strmbase_sink_cleanup(&filter->sink);
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strmbase_filter_cleanup(&filter->filter);
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free(filter);
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}
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static HRESULT transform_query_interface(struct strmbase_filter *iface, REFIID iid, void **out)
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{
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struct transform *filter = impl_from_strmbase_filter(iface);
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if (IsEqualGUID(iid, &IID_IMpegAudioDecoder) && filter->IMpegAudioDecoder_iface.lpVtbl)
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*out = &filter->IMpegAudioDecoder_iface;
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else
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return E_NOINTERFACE;
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IUnknown_AddRef((IUnknown *)*out);
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return S_OK;
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}
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static HRESULT transform_init_stream(struct strmbase_filter *iface)
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{
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struct transform *filter = impl_from_strmbase_filter(iface);
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struct wg_format input_format, output_format;
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HRESULT hr;
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if (filter->source.pin.peer)
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{
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if (!amt_to_wg_format(&filter->sink.pin.mt, &input_format))
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return E_FAIL;
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if (!amt_to_wg_format(&filter->source.pin.mt, &output_format))
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return E_FAIL;
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if (FAILED(hr = wg_sample_queue_create(&filter->sample_queue)))
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return hr;
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filter->transform = wg_transform_create(&input_format, &output_format);
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if (!filter->transform)
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{
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wg_sample_queue_destroy(filter->sample_queue);
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return E_FAIL;
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}
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hr = IMemAllocator_Commit(filter->source.pAllocator);
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if (FAILED(hr))
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ERR("Failed to commit allocator, hr %#lx.\n", hr);
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}
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return S_OK;
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}
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static HRESULT transform_cleanup_stream(struct strmbase_filter *iface)
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{
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struct transform *filter = impl_from_strmbase_filter(iface);
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if (filter->source.pin.peer)
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{
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IMemAllocator_Decommit(filter->source.pAllocator);
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EnterCriticalSection(&filter->filter.stream_cs);
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wg_transform_destroy(filter->transform);
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wg_sample_queue_destroy(filter->sample_queue);
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LeaveCriticalSection(&filter->filter.stream_cs);
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}
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return S_OK;
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}
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static const struct strmbase_filter_ops filter_ops =
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{
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.filter_get_pin = transform_get_pin,
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.filter_destroy = transform_destroy,
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.filter_query_interface = transform_query_interface,
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.filter_init_stream = transform_init_stream,
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.filter_cleanup_stream = transform_cleanup_stream,
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};
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static struct transform *impl_from_IMpegAudioDecoder(IMpegAudioDecoder *iface)
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{
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return CONTAINING_RECORD(iface, struct transform, IMpegAudioDecoder_iface);
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}
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static HRESULT WINAPI mpeg_audio_decoder_QueryInterface(IMpegAudioDecoder *iface,
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REFIID iid, void **out)
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{
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struct transform *filter = impl_from_IMpegAudioDecoder(iface);
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return IUnknown_QueryInterface(filter->filter.outer_unk, iid, out);
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}
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static ULONG WINAPI mpeg_audio_decoder_AddRef(IMpegAudioDecoder *iface)
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{
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struct transform *filter = impl_from_IMpegAudioDecoder(iface);
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return IUnknown_AddRef(filter->filter.outer_unk);
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}
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static ULONG WINAPI mpeg_audio_decoder_Release(IMpegAudioDecoder *iface)
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{
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struct transform *filter = impl_from_IMpegAudioDecoder(iface);
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return IUnknown_Release(filter->filter.outer_unk);
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}
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static HRESULT WINAPI mpeg_audio_decoder_get_FrequencyDivider(IMpegAudioDecoder *iface, ULONG *divider)
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{
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FIXME("iface %p, divider %p, stub!\n", iface, divider);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI mpeg_audio_decoder_put_FrequencyDivider(IMpegAudioDecoder *iface, ULONG divider)
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{
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FIXME("iface %p, divider %lu, stub!\n", iface, divider);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI mpeg_audio_decoder_get_DecoderAccuracy(IMpegAudioDecoder *iface, ULONG *accuracy)
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{
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FIXME("iface %p, accuracy %p, stub!\n", iface, accuracy);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI mpeg_audio_decoder_put_DecoderAccuracy(IMpegAudioDecoder *iface, ULONG accuracy)
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{
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FIXME("iface %p, accuracy %lu, stub!\n", iface, accuracy);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI mpeg_audio_decoder_get_Stereo(IMpegAudioDecoder *iface, ULONG *stereo)
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{
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FIXME("iface %p, stereo %p, stub!\n", iface, stereo);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI mpeg_audio_decoder_put_Stereo(IMpegAudioDecoder *iface, ULONG stereo)
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{
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FIXME("iface %p, stereo %lu, stub!\n", iface, stereo);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI mpeg_audio_decoder_get_DecoderWordSize(IMpegAudioDecoder *iface, ULONG *word_size)
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{
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FIXME("iface %p, word_size %p, stub!\n", iface, word_size);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI mpeg_audio_decoder_put_DecoderWordSize(IMpegAudioDecoder *iface, ULONG word_size)
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{
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FIXME("iface %p, word_size %lu, stub!\n", iface, word_size);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI mpeg_audio_decoder_get_IntegerDecode(IMpegAudioDecoder *iface, ULONG *integer_decode)
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{
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FIXME("iface %p, integer_decode %p, stub!\n", iface, integer_decode);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI mpeg_audio_decoder_put_IntegerDecode(IMpegAudioDecoder *iface, ULONG integer_decode)
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{
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FIXME("iface %p, integer_decode %lu, stub!\n", iface, integer_decode);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI mpeg_audio_decoder_get_DualMode(IMpegAudioDecoder *iface, ULONG *dual_mode)
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{
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FIXME("iface %p, dual_mode %p, stub!\n", iface, dual_mode);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI mpeg_audio_decoder_put_DualMode(IMpegAudioDecoder *iface, ULONG dual_mode)
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{
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FIXME("iface %p, dual_mode %lu, stub!\n", iface, dual_mode);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI mpeg_audio_decoder_get_AudioFormat(IMpegAudioDecoder *iface, MPEG1WAVEFORMAT *format)
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{
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FIXME("iface %p, format %p, stub!\n", iface, format);
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return E_NOTIMPL;
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}
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static const IMpegAudioDecoderVtbl mpeg_audio_decoder_vtbl =
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{
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mpeg_audio_decoder_QueryInterface,
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mpeg_audio_decoder_AddRef,
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mpeg_audio_decoder_Release,
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mpeg_audio_decoder_get_FrequencyDivider,
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mpeg_audio_decoder_put_FrequencyDivider,
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mpeg_audio_decoder_get_DecoderAccuracy,
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mpeg_audio_decoder_put_DecoderAccuracy,
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mpeg_audio_decoder_get_Stereo,
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mpeg_audio_decoder_put_Stereo,
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mpeg_audio_decoder_get_DecoderWordSize,
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mpeg_audio_decoder_put_DecoderWordSize,
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mpeg_audio_decoder_get_IntegerDecode,
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mpeg_audio_decoder_put_IntegerDecode,
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mpeg_audio_decoder_get_DualMode,
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mpeg_audio_decoder_put_DualMode,
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mpeg_audio_decoder_get_AudioFormat,
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};
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static HRESULT transform_sink_query_accept(struct strmbase_pin *pin, const AM_MEDIA_TYPE *mt)
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{
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struct transform *filter = impl_from_strmbase_filter(pin->filter);
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return filter->ops->sink_query_accept(filter, mt);
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}
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static HRESULT transform_sink_query_interface(struct strmbase_pin *pin, REFIID iid, void **out)
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{
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struct transform *filter = impl_from_strmbase_filter(pin->filter);
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if (IsEqualGUID(iid, &IID_IMemInputPin))
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*out = &filter->sink.IMemInputPin_iface;
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else if (IsEqualGUID(iid, &IID_IQualityControl))
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*out = &filter->sink_IQualityControl_iface;
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else
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return E_NOINTERFACE;
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IUnknown_AddRef((IUnknown *)*out);
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return S_OK;
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}
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static HRESULT WINAPI transform_sink_receive(struct strmbase_sink *pin, IMediaSample *sample)
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{
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struct transform *filter = impl_from_strmbase_filter(pin->pin.filter);
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struct wg_sample *wg_sample;
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HRESULT hr;
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/* We do not expect pin connection state to change while the filter is
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* running. This guarantee is necessary, since otherwise we would have to
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* take the filter lock, and we can't take the filter lock from a streaming
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* thread. */
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if (!filter->source.pMemInputPin)
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{
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WARN("Source is not connected, returning VFW_E_NOT_CONNECTED.\n");
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return VFW_E_NOT_CONNECTED;
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}
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if (filter->filter.state == State_Stopped)
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return VFW_E_WRONG_STATE;
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if (filter->sink.flushing)
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return S_FALSE;
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hr = wg_sample_create_quartz(sample, &wg_sample);
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if (FAILED(hr))
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return hr;
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hr = wg_transform_push_quartz(filter->transform, wg_sample, filter->sample_queue);
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if (FAILED(hr))
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return hr;
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for (;;)
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{
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IMediaSample *output_sample;
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hr = IMemAllocator_GetBuffer(filter->source.pAllocator, &output_sample, NULL, NULL, 0);
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if (FAILED(hr))
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return hr;
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hr = wg_sample_create_quartz(output_sample, &wg_sample);
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if (FAILED(hr))
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{
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IMediaSample_Release(output_sample);
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return hr;
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}
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hr = wg_transform_read_quartz(filter->transform, wg_sample);
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wg_sample_release(wg_sample);
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if (hr == MF_E_TRANSFORM_NEED_MORE_INPUT)
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{
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IMediaSample_Release(output_sample);
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break;
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}
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if (FAILED(hr))
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{
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IMediaSample_Release(output_sample);
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return hr;
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}
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wg_sample_queue_flush(filter->sample_queue, false);
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hr = IMemInputPin_Receive(filter->source.pMemInputPin, output_sample);
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if (FAILED(hr))
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{
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IMediaSample_Release(output_sample);
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return hr;
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}
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IMediaSample_Release(output_sample);
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}
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return S_OK;
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}
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static const struct strmbase_sink_ops sink_ops =
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{
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.base.pin_query_accept = transform_sink_query_accept,
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.base.pin_query_interface = transform_sink_query_interface,
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.pfnReceive = transform_sink_receive,
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};
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static HRESULT transform_source_query_accept(struct strmbase_pin *pin, const AM_MEDIA_TYPE *mt)
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{
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struct transform *filter = impl_from_strmbase_filter(pin->filter);
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return filter->ops->source_query_accept(filter, mt);
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}
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static HRESULT transform_source_get_media_type(struct strmbase_pin *pin, unsigned int index, AM_MEDIA_TYPE *mt)
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{
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struct transform *filter = impl_from_strmbase_filter(pin->filter);
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return filter->ops->source_get_media_type(filter, index, mt);
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}
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static HRESULT transform_source_query_interface(struct strmbase_pin *pin, REFIID iid, void **out)
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{
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struct transform *filter = impl_from_strmbase_filter(pin->filter);
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if (IsEqualGUID(iid, &IID_IMediaPosition))
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*out = &filter->passthrough.IMediaPosition_iface;
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else if (IsEqualGUID(iid, &IID_IMediaSeeking))
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*out = &filter->passthrough.IMediaSeeking_iface;
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else if (IsEqualGUID(iid, &IID_IQualityControl))
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*out = &filter->source_IQualityControl_iface;
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else
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return E_NOINTERFACE;
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IUnknown_AddRef((IUnknown *)*out);
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return S_OK;
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}
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static HRESULT WINAPI transform_source_DecideBufferSize(struct strmbase_source *pin, IMemAllocator *allocator, ALLOCATOR_PROPERTIES *props)
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{
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struct transform *filter = impl_from_strmbase_filter(pin->pin.filter);
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return filter->ops->source_decide_buffer_size(filter, allocator, props);
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}
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static const struct strmbase_source_ops source_ops =
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{
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.base.pin_query_accept = transform_source_query_accept,
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.base.pin_get_media_type = transform_source_get_media_type,
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.base.pin_query_interface = transform_source_query_interface,
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.pfnAttemptConnection = BaseOutputPinImpl_AttemptConnection,
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.pfnDecideAllocator = BaseOutputPinImpl_DecideAllocator,
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.pfnDecideBufferSize = transform_source_DecideBufferSize,
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};
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static struct transform *impl_from_sink_IQualityControl(IQualityControl *iface)
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{
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return CONTAINING_RECORD(iface, struct transform, sink_IQualityControl_iface);
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}
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static HRESULT WINAPI sink_quality_control_QueryInterface(IQualityControl *iface, REFIID iid, void **out)
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{
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struct transform *filter = impl_from_sink_IQualityControl(iface);
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return IPin_QueryInterface(&filter->source.pin.IPin_iface, iid, out);
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}
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static ULONG WINAPI sink_quality_control_AddRef(IQualityControl *iface)
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{
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struct transform *filter = impl_from_sink_IQualityControl(iface);
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return IPin_AddRef(&filter->source.pin.IPin_iface);
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}
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static ULONG WINAPI sink_quality_control_Release(IQualityControl *iface)
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{
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struct transform *filter = impl_from_sink_IQualityControl(iface);
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return IPin_Release(&filter->source.pin.IPin_iface);
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}
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static HRESULT WINAPI sink_quality_control_Notify(IQualityControl *iface, IBaseFilter *sender, Quality q)
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{
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struct transform *filter = impl_from_sink_IQualityControl(iface);
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TRACE("filter %p, sender %p, type %#x, proportion %ld, late %s, timestamp %s.\n",
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filter, sender, q.Type, q.Proportion, debugstr_time(q.Late), debugstr_time(q.TimeStamp));
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return S_OK;
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}
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static HRESULT WINAPI sink_quality_control_SetSink(IQualityControl *iface, IQualityControl *sink)
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{
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struct transform *filter = impl_from_sink_IQualityControl(iface);
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TRACE("filter %p, sink %p.\n", filter, sink);
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filter->qc_sink = sink;
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return S_OK;
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}
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static const IQualityControlVtbl sink_quality_control_vtbl =
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{
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sink_quality_control_QueryInterface,
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sink_quality_control_AddRef,
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sink_quality_control_Release,
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sink_quality_control_Notify,
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sink_quality_control_SetSink,
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};
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static struct transform *impl_from_source_IQualityControl(IQualityControl *iface)
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{
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return CONTAINING_RECORD(iface, struct transform, source_IQualityControl_iface);
|
|
}
|
|
|
|
static HRESULT WINAPI source_quality_control_QueryInterface(IQualityControl *iface, REFIID iid, void **out)
|
|
{
|
|
struct transform *filter = impl_from_source_IQualityControl(iface);
|
|
return IPin_QueryInterface(&filter->source.pin.IPin_iface, iid, out);
|
|
}
|
|
|
|
static ULONG WINAPI source_quality_control_AddRef(IQualityControl *iface)
|
|
{
|
|
struct transform *filter = impl_from_source_IQualityControl(iface);
|
|
return IPin_AddRef(&filter->source.pin.IPin_iface);
|
|
}
|
|
|
|
static ULONG WINAPI source_quality_control_Release(IQualityControl *iface)
|
|
{
|
|
struct transform *filter = impl_from_source_IQualityControl(iface);
|
|
return IPin_Release(&filter->source.pin.IPin_iface);
|
|
}
|
|
|
|
static HRESULT WINAPI source_quality_control_Notify(IQualityControl *iface, IBaseFilter *sender, Quality q)
|
|
{
|
|
struct transform *filter = impl_from_source_IQualityControl(iface);
|
|
IQualityControl *peer;
|
|
HRESULT hr = VFW_E_NOT_FOUND;
|
|
|
|
TRACE("filter %p, sender %p, type %#x, proportion %ld, late %s, timestamp %s.\n",
|
|
filter, sender, q.Type, q.Proportion, debugstr_time(q.Late), debugstr_time(q.TimeStamp));
|
|
|
|
if (filter->qc_sink)
|
|
return IQualityControl_Notify(filter->qc_sink, &filter->filter.IBaseFilter_iface, q);
|
|
|
|
if (filter->sink.pin.peer
|
|
&& SUCCEEDED(IPin_QueryInterface(filter->sink.pin.peer, &IID_IQualityControl, (void **)&peer)))
|
|
{
|
|
hr = IQualityControl_Notify(peer, &filter->filter.IBaseFilter_iface, q);
|
|
IQualityControl_Release(peer);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI source_quality_control_SetSink(IQualityControl *iface, IQualityControl *sink)
|
|
{
|
|
struct transform *filter = impl_from_source_IQualityControl(iface);
|
|
|
|
TRACE("filter %p, sink %p.\n", filter, sink);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static const IQualityControlVtbl source_quality_control_vtbl =
|
|
{
|
|
source_quality_control_QueryInterface,
|
|
source_quality_control_AddRef,
|
|
source_quality_control_Release,
|
|
source_quality_control_Notify,
|
|
source_quality_control_SetSink,
|
|
};
|
|
|
|
static HRESULT transform_create(IUnknown *outer, const CLSID *clsid, const struct transform_ops *ops, struct transform **out)
|
|
{
|
|
struct transform *object;
|
|
|
|
object = calloc(1, sizeof(*object));
|
|
if (!object)
|
|
return E_OUTOFMEMORY;
|
|
|
|
strmbase_filter_init(&object->filter, outer, clsid, &filter_ops);
|
|
strmbase_sink_init(&object->sink, &object->filter, L"In", &sink_ops, NULL);
|
|
strmbase_source_init(&object->source, &object->filter, L"Out", &source_ops);
|
|
|
|
strmbase_passthrough_init(&object->passthrough, (IUnknown *)&object->source.pin.IPin_iface);
|
|
ISeekingPassThru_Init(&object->passthrough.ISeekingPassThru_iface, FALSE,
|
|
&object->sink.pin.IPin_iface);
|
|
|
|
object->sink_IQualityControl_iface.lpVtbl = &sink_quality_control_vtbl;
|
|
object->source_IQualityControl_iface.lpVtbl = &source_quality_control_vtbl;
|
|
|
|
object->ops = ops;
|
|
|
|
*out = object;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT mpeg_audio_codec_sink_query_accept(struct transform *filter, const AM_MEDIA_TYPE *mt)
|
|
{
|
|
const MPEG1WAVEFORMAT *format;
|
|
|
|
if (!IsEqualGUID(&mt->majortype, &MEDIATYPE_Audio))
|
|
return S_FALSE;
|
|
|
|
if (!IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_MPEG1Packet)
|
|
&& !IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_MPEG1Payload)
|
|
&& !IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_MPEG1AudioPayload)
|
|
&& !IsEqualGUID(&mt->subtype, &GUID_NULL))
|
|
return S_FALSE;
|
|
|
|
if (!IsEqualGUID(&mt->formattype, &FORMAT_WaveFormatEx)
|
|
|| mt->cbFormat < sizeof(MPEG1WAVEFORMAT))
|
|
return S_FALSE;
|
|
|
|
format = (const MPEG1WAVEFORMAT *)mt->pbFormat;
|
|
|
|
if (format->wfx.wFormatTag != WAVE_FORMAT_MPEG
|
|
|| format->fwHeadLayer == ACM_MPEG_LAYER3)
|
|
return S_FALSE;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT mpeg_audio_codec_source_query_accept(struct transform *filter, const AM_MEDIA_TYPE *mt)
|
|
{
|
|
const MPEG1WAVEFORMAT *input_format;
|
|
const WAVEFORMATEX *output_format;
|
|
DWORD expected_avg_bytes_per_sec;
|
|
WORD expected_block_align;
|
|
|
|
if (!filter->sink.pin.peer)
|
|
return S_FALSE;
|
|
|
|
if (!IsEqualGUID(&mt->majortype, &MEDIATYPE_Audio)
|
|
|| !IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_PCM)
|
|
|| !IsEqualGUID(&mt->formattype, &FORMAT_WaveFormatEx)
|
|
|| mt->cbFormat < sizeof(WAVEFORMATEX))
|
|
return S_FALSE;
|
|
|
|
input_format = (const MPEG1WAVEFORMAT *)filter->sink.pin.mt.pbFormat;
|
|
output_format = (const WAVEFORMATEX *)mt->pbFormat;
|
|
|
|
if (output_format->wFormatTag != WAVE_FORMAT_PCM
|
|
|| input_format->wfx.nSamplesPerSec != output_format->nSamplesPerSec
|
|
|| input_format->wfx.nChannels != output_format->nChannels
|
|
|| (output_format->wBitsPerSample != 8 && output_format->wBitsPerSample != 16))
|
|
return S_FALSE;
|
|
|
|
expected_block_align = output_format->nChannels * output_format->wBitsPerSample / 8;
|
|
expected_avg_bytes_per_sec = expected_block_align * output_format->nSamplesPerSec;
|
|
|
|
if (output_format->nBlockAlign != expected_block_align
|
|
|| output_format->nAvgBytesPerSec != expected_avg_bytes_per_sec)
|
|
return S_FALSE;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT mpeg_audio_codec_source_get_media_type(struct transform *filter, unsigned int index, AM_MEDIA_TYPE *mt)
|
|
{
|
|
const MPEG1WAVEFORMAT *input_format;
|
|
WAVEFORMATEX *output_format;
|
|
|
|
if (!filter->sink.pin.peer)
|
|
return VFW_S_NO_MORE_ITEMS;
|
|
|
|
if (index > 1)
|
|
return VFW_S_NO_MORE_ITEMS;
|
|
|
|
input_format = (const MPEG1WAVEFORMAT *)filter->sink.pin.mt.pbFormat;
|
|
|
|
output_format = CoTaskMemAlloc(sizeof(*output_format));
|
|
if (!output_format)
|
|
return E_OUTOFMEMORY;
|
|
|
|
memset(output_format, 0, sizeof(*output_format));
|
|
output_format->wFormatTag = WAVE_FORMAT_PCM;
|
|
output_format->nSamplesPerSec = input_format->wfx.nSamplesPerSec;
|
|
output_format->nChannels = input_format->wfx.nChannels;
|
|
output_format->wBitsPerSample = index ? 8 : 16;
|
|
output_format->nBlockAlign = output_format->nChannels * output_format->wBitsPerSample / 8;
|
|
output_format->nAvgBytesPerSec = output_format->nBlockAlign * output_format->nSamplesPerSec;
|
|
|
|
memset(mt, 0, sizeof(*mt));
|
|
mt->majortype = MEDIATYPE_Audio;
|
|
mt->subtype = MEDIASUBTYPE_PCM;
|
|
mt->bFixedSizeSamples = TRUE;
|
|
mt->lSampleSize = output_format->nBlockAlign;
|
|
mt->formattype = FORMAT_WaveFormatEx;
|
|
mt->cbFormat = sizeof(*output_format);
|
|
mt->pbFormat = (BYTE *)output_format;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT mpeg_audio_codec_source_decide_buffer_size(struct transform *filter, IMemAllocator *allocator, ALLOCATOR_PROPERTIES *props)
|
|
{
|
|
MPEG1WAVEFORMAT *input_format = (MPEG1WAVEFORMAT *)filter->sink.pin.mt.pbFormat;
|
|
WAVEFORMATEX *output_format = (WAVEFORMATEX *)filter->source.pin.mt.pbFormat;
|
|
LONG frame_samples = (input_format->fwHeadLayer & ACM_MPEG_LAYER2) ? 1152 : 384;
|
|
LONG frame_size = frame_samples * output_format->nBlockAlign;
|
|
ALLOCATOR_PROPERTIES ret_props;
|
|
|
|
props->cBuffers = max(props->cBuffers, 8);
|
|
props->cbBuffer = max(props->cbBuffer, frame_size * 4);
|
|
props->cbAlign = max(props->cbAlign, 1);
|
|
|
|
return IMemAllocator_SetProperties(allocator, props, &ret_props);
|
|
}
|
|
|
|
static const struct transform_ops mpeg_audio_codec_transform_ops =
|
|
{
|
|
mpeg_audio_codec_sink_query_accept,
|
|
mpeg_audio_codec_source_query_accept,
|
|
mpeg_audio_codec_source_get_media_type,
|
|
mpeg_audio_codec_source_decide_buffer_size,
|
|
};
|
|
|
|
HRESULT mpeg_audio_codec_create(IUnknown *outer, IUnknown **out)
|
|
{
|
|
static const struct wg_format output_format =
|
|
{
|
|
.major_type = WG_MAJOR_TYPE_AUDIO,
|
|
.u.audio =
|
|
{
|
|
.format = WG_AUDIO_FORMAT_S16LE,
|
|
.channel_mask = 1,
|
|
.channels = 1,
|
|
.rate = 44100,
|
|
},
|
|
};
|
|
static const struct wg_format input_format =
|
|
{
|
|
.major_type = WG_MAJOR_TYPE_AUDIO_MPEG1,
|
|
.u.audio_mpeg1 =
|
|
{
|
|
.layer = 2,
|
|
.channels = 1,
|
|
.rate = 44100,
|
|
},
|
|
};
|
|
struct wg_transform *transform;
|
|
struct transform *object;
|
|
HRESULT hr;
|
|
|
|
transform = wg_transform_create(&input_format, &output_format);
|
|
if (!transform)
|
|
{
|
|
ERR_(winediag)("GStreamer doesn't support MPEG-1 audio decoding, please install appropriate plugins.\n");
|
|
return E_FAIL;
|
|
}
|
|
wg_transform_destroy(transform);
|
|
|
|
hr = transform_create(outer, &CLSID_CMpegAudioCodec, &mpeg_audio_codec_transform_ops, &object);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
wcscpy(object->sink.pin.name, L"XForm In");
|
|
wcscpy(object->source.pin.name, L"XForm Out");
|
|
|
|
object->IMpegAudioDecoder_iface.lpVtbl = &mpeg_audio_decoder_vtbl;
|
|
|
|
TRACE("Created MPEG audio decoder %p.\n", object);
|
|
*out = &object->filter.IUnknown_inner;
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT mpeg_layer3_decoder_sink_query_accept(struct transform *filter, const AM_MEDIA_TYPE *mt)
|
|
{
|
|
const MPEGLAYER3WAVEFORMAT *format;
|
|
|
|
if (!IsEqualGUID(&mt->majortype, &MEDIATYPE_Audio)
|
|
|| !IsEqualGUID(&mt->formattype, &FORMAT_WaveFormatEx)
|
|
|| mt->cbFormat < sizeof(MPEGLAYER3WAVEFORMAT))
|
|
return S_FALSE;
|
|
|
|
format = (const MPEGLAYER3WAVEFORMAT *)mt->pbFormat;
|
|
|
|
if (format->wfx.wFormatTag != WAVE_FORMAT_MPEGLAYER3)
|
|
return S_FALSE;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT mpeg_layer3_decoder_source_query_accept(struct transform *filter, const AM_MEDIA_TYPE *mt)
|
|
{
|
|
if (!filter->sink.pin.peer)
|
|
return S_FALSE;
|
|
|
|
if (!IsEqualGUID(&mt->majortype, &MEDIATYPE_Audio)
|
|
|| !IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_PCM))
|
|
return S_FALSE;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT mpeg_layer3_decoder_source_get_media_type(struct transform *filter, unsigned int index, AM_MEDIA_TYPE *mt)
|
|
{
|
|
const MPEGLAYER3WAVEFORMAT *input_format;
|
|
WAVEFORMATEX *output_format;
|
|
|
|
if (!filter->sink.pin.peer)
|
|
return VFW_S_NO_MORE_ITEMS;
|
|
|
|
if (index > 0)
|
|
return VFW_S_NO_MORE_ITEMS;
|
|
|
|
input_format = (const MPEGLAYER3WAVEFORMAT *)filter->sink.pin.mt.pbFormat;
|
|
|
|
output_format = CoTaskMemAlloc(sizeof(*output_format));
|
|
if (!output_format)
|
|
return E_OUTOFMEMORY;
|
|
|
|
memset(output_format, 0, sizeof(*output_format));
|
|
output_format->wFormatTag = WAVE_FORMAT_PCM;
|
|
output_format->nSamplesPerSec = input_format->wfx.nSamplesPerSec;
|
|
output_format->nChannels = input_format->wfx.nChannels;
|
|
output_format->wBitsPerSample = 16;
|
|
output_format->nBlockAlign = output_format->nChannels * output_format->wBitsPerSample / 8;
|
|
output_format->nAvgBytesPerSec = output_format->nBlockAlign * output_format->nSamplesPerSec;
|
|
|
|
memset(mt, 0, sizeof(*mt));
|
|
mt->majortype = MEDIATYPE_Audio;
|
|
mt->subtype = MEDIASUBTYPE_PCM;
|
|
mt->bFixedSizeSamples = TRUE;
|
|
mt->lSampleSize = 1152 * output_format->nBlockAlign;
|
|
mt->formattype = FORMAT_WaveFormatEx;
|
|
mt->cbFormat = sizeof(*output_format);
|
|
mt->pbFormat = (BYTE *)output_format;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT mpeg_layer3_decoder_source_decide_buffer_size(struct transform *filter, IMemAllocator *allocator, ALLOCATOR_PROPERTIES *props)
|
|
{
|
|
ALLOCATOR_PROPERTIES ret_props;
|
|
|
|
props->cBuffers = max(props->cBuffers, 8);
|
|
props->cbBuffer = max(props->cbBuffer, filter->source.pin.mt.lSampleSize * 4);
|
|
props->cbAlign = max(props->cbAlign, 1);
|
|
|
|
return IMemAllocator_SetProperties(allocator, props, &ret_props);
|
|
}
|
|
|
|
static const struct transform_ops mpeg_layer3_decoder_transform_ops =
|
|
{
|
|
mpeg_layer3_decoder_sink_query_accept,
|
|
mpeg_layer3_decoder_source_query_accept,
|
|
mpeg_layer3_decoder_source_get_media_type,
|
|
mpeg_layer3_decoder_source_decide_buffer_size,
|
|
};
|
|
|
|
HRESULT mpeg_layer3_decoder_create(IUnknown *outer, IUnknown **out)
|
|
{
|
|
static const struct wg_format output_format =
|
|
{
|
|
.major_type = WG_MAJOR_TYPE_AUDIO,
|
|
.u.audio =
|
|
{
|
|
.format = WG_AUDIO_FORMAT_S16LE,
|
|
.channel_mask = 1,
|
|
.channels = 1,
|
|
.rate = 44100,
|
|
},
|
|
};
|
|
static const struct wg_format input_format =
|
|
{
|
|
.major_type = WG_MAJOR_TYPE_AUDIO_MPEG1,
|
|
.u.audio_mpeg1 =
|
|
{
|
|
.layer = 3,
|
|
.channels = 1,
|
|
.rate = 44100,
|
|
},
|
|
};
|
|
struct wg_transform *transform;
|
|
struct transform *object;
|
|
HRESULT hr;
|
|
|
|
transform = wg_transform_create(&input_format, &output_format);
|
|
if (!transform)
|
|
{
|
|
ERR_(winediag)("GStreamer doesn't support MPEG-1 audio decoding, please install appropriate plugins.\n");
|
|
return E_FAIL;
|
|
}
|
|
wg_transform_destroy(transform);
|
|
|
|
hr = transform_create(outer, &CLSID_mpeg_layer3_decoder, &mpeg_layer3_decoder_transform_ops, &object);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
wcscpy(object->sink.pin.name, L"XForm In");
|
|
wcscpy(object->source.pin.name, L"XForm Out");
|
|
|
|
TRACE("Created MPEG layer-3 decoder %p.\n", object);
|
|
*out = &object->filter.IUnknown_inner;
|
|
return hr;
|
|
}
|