dlls/winegstreamer/quartz_transform.c

   1 /*
   2  * DirectShow transform filters
   3  *
   4  * Copyright 2022 Anton Baskanov
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "gst_private.h"
  22 #include "gst_guids.h"
  23
  24 #include "mferror.h"
  25 #include "mpegtype.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  28 WINE_DECLARE_DEBUG_CHANNEL(winediag);
  29
  30 struct transform
  31 {
  32     struct strmbase_filter filter;
  33     IMpegAudioDecoder IMpegAudioDecoder_iface;
  34
  35     struct strmbase_sink sink;
  36     struct strmbase_source source;
  37     struct strmbase_passthrough passthrough;
  38
  39     IQualityControl sink_IQualityControl_iface;
  40     IQualityControl source_IQualityControl_iface;
  41     IQualityControl *qc_sink;
  42
  43     wg_transform_t transform;
  44     struct wg_sample_queue *sample_queue;
  45
  46     const struct transform_ops *ops;
  47 };
  48
  49 struct transform_ops
  50 {
  51     HRESULT (*sink_query_accept)(struct transform *filter, const AM_MEDIA_TYPE *mt);
  52     HRESULT (*source_query_accept)(struct transform *filter, const AM_MEDIA_TYPE *mt);
  53     HRESULT (*source_get_media_type)(struct transform *filter, unsigned int index, AM_MEDIA_TYPE *mt);
  54     HRESULT (*source_decide_buffer_size)(struct transform *filter, IMemAllocator *allocator, ALLOCATOR_PROPERTIES *props);
  55 };
  56
  57 static inline struct transform *impl_from_strmbase_filter(struct strmbase_filter *iface)
  58 {
  59     return CONTAINING_RECORD(iface, struct transform, filter);
  60 }
  61
  62 static struct strmbase_pin *transform_get_pin(struct strmbase_filter *iface, unsigned int index)
  63 {
  64     struct transform *filter = impl_from_strmbase_filter(iface);
  65     if (index == 0)
  66         return &filter->sink.pin;
  67     if (index == 1)
  68         return &filter->source.pin;
  69     return NULL;
  70 }
  71
  72 static void transform_destroy(struct strmbase_filter *iface)
  73 {
  74     struct transform *filter = impl_from_strmbase_filter(iface);
  75
  76     strmbase_passthrough_cleanup(&filter->passthrough);
  77     strmbase_source_cleanup(&filter->source);
  78     strmbase_sink_cleanup(&filter->sink);
  79     strmbase_filter_cleanup(&filter->filter);
  80
  81     free(filter);
  82 }
  83
  84 static HRESULT transform_query_interface(struct strmbase_filter *iface, REFIID iid, void **out)
  85 {
  86     struct transform *filter = impl_from_strmbase_filter(iface);
  87
  88     if (IsEqualGUID(iid, &IID_IMpegAudioDecoder) && filter->IMpegAudioDecoder_iface.lpVtbl)
  89         *out = &filter->IMpegAudioDecoder_iface;
  90     else
  91         return E_NOINTERFACE;
  92
  93     IUnknown_AddRef((IUnknown *)*out);
  94     return S_OK;
  95 }
  96
  97 static HRESULT transform_init_stream(struct strmbase_filter *iface)
  98 {
  99     struct transform *filter = impl_from_strmbase_filter(iface);
 100     struct wg_format input_format, output_format;
 101     struct wg_transform_attrs attrs = {0};
 102     HRESULT hr;
 103
 104     if (filter->source.pin.peer)
 105     {
 106         if (!amt_to_wg_format(&filter->sink.pin.mt, &input_format))
 107             return E_FAIL;
 108
 109         if (!amt_to_wg_format(&filter->source.pin.mt, &output_format))
 110             return E_FAIL;
 111
 112         if (FAILED(hr = wg_sample_queue_create(&filter->sample_queue)))
 113             return hr;
 114
 115         filter->transform = wg_transform_create(&input_format, &output_format, &attrs);
 116         if (!filter->transform)
 117         {
 118             wg_sample_queue_destroy(filter->sample_queue);
 119             return E_FAIL;
 120         }
 121
 122         hr = IMemAllocator_Commit(filter->source.pAllocator);
 123         if (FAILED(hr))
 124             ERR("Failed to commit allocator, hr %#lx.\n", hr);
 125     }
 126
 127     return S_OK;
 128 }
 129
 130 static HRESULT transform_cleanup_stream(struct strmbase_filter *iface)
 131 {
 132     struct transform *filter = impl_from_strmbase_filter(iface);
 133
 134     if (filter->source.pin.peer)
 135     {
 136         IMemAllocator_Decommit(filter->source.pAllocator);
 137
 138         EnterCriticalSection(&filter->filter.stream_cs);
 139         wg_transform_destroy(filter->transform);
 140         wg_sample_queue_destroy(filter->sample_queue);
 141         LeaveCriticalSection(&filter->filter.stream_cs);
 142     }
 143
 144     return S_OK;
 145 }
 146
 147 static const struct strmbase_filter_ops filter_ops =
 148 {
 149     .filter_get_pin = transform_get_pin,
 150     .filter_destroy = transform_destroy,
 151     .filter_query_interface = transform_query_interface,
 152     .filter_init_stream = transform_init_stream,
 153     .filter_cleanup_stream = transform_cleanup_stream,
 154 };
 155
 156 static struct transform *impl_from_IMpegAudioDecoder(IMpegAudioDecoder *iface)
 157 {
 158     return CONTAINING_RECORD(iface, struct transform, IMpegAudioDecoder_iface);
 159 }
 160
 161 static HRESULT WINAPI mpeg_audio_decoder_QueryInterface(IMpegAudioDecoder *iface,
 162         REFIID iid, void **out)
 163 {
 164     struct transform *filter = impl_from_IMpegAudioDecoder(iface);
 165     return IUnknown_QueryInterface(filter->filter.outer_unk, iid, out);
 166 }
 167
 168 static ULONG WINAPI mpeg_audio_decoder_AddRef(IMpegAudioDecoder *iface)
 169 {
 170     struct transform *filter = impl_from_IMpegAudioDecoder(iface);
 171     return IUnknown_AddRef(filter->filter.outer_unk);
 172 }
 173
 174 static ULONG WINAPI mpeg_audio_decoder_Release(IMpegAudioDecoder *iface)
 175 {
 176     struct transform *filter = impl_from_IMpegAudioDecoder(iface);
 177     return IUnknown_Release(filter->filter.outer_unk);
 178 }
 179
 180 static HRESULT WINAPI mpeg_audio_decoder_get_FrequencyDivider(IMpegAudioDecoder *iface, ULONG *divider)
 181 {
 182     FIXME("iface %p, divider %p, stub!\n", iface, divider);
 183     return E_NOTIMPL;
 184 }
 185
 186 static HRESULT WINAPI mpeg_audio_decoder_put_FrequencyDivider(IMpegAudioDecoder *iface, ULONG divider)
 187 {
 188     FIXME("iface %p, divider %lu, stub!\n", iface, divider);
 189     return E_NOTIMPL;
 190 }
 191
 192 static HRESULT WINAPI mpeg_audio_decoder_get_DecoderAccuracy(IMpegAudioDecoder *iface, ULONG *accuracy)
 193 {
 194     FIXME("iface %p, accuracy %p, stub!\n", iface, accuracy);
 195     return E_NOTIMPL;
 196 }
 197
 198 static HRESULT WINAPI mpeg_audio_decoder_put_DecoderAccuracy(IMpegAudioDecoder *iface, ULONG accuracy)
 199 {
 200     FIXME("iface %p, accuracy %lu, stub!\n", iface, accuracy);
 201     return E_NOTIMPL;
 202 }
 203
 204 static HRESULT WINAPI mpeg_audio_decoder_get_Stereo(IMpegAudioDecoder *iface, ULONG *stereo)
 205 {
 206     FIXME("iface %p, stereo %p, stub!\n", iface, stereo);
 207     return E_NOTIMPL;
 208 }
 209
 210 static HRESULT WINAPI mpeg_audio_decoder_put_Stereo(IMpegAudioDecoder *iface, ULONG stereo)
 211 {
 212     FIXME("iface %p, stereo %lu, stub!\n", iface, stereo);
 213     return E_NOTIMPL;
 214 }
 215
 216 static HRESULT WINAPI mpeg_audio_decoder_get_DecoderWordSize(IMpegAudioDecoder *iface, ULONG *word_size)
 217 {
 218     FIXME("iface %p, word_size %p, stub!\n", iface, word_size);
 219     return E_NOTIMPL;
 220 }
 221
 222 static HRESULT WINAPI mpeg_audio_decoder_put_DecoderWordSize(IMpegAudioDecoder *iface, ULONG word_size)
 223 {
 224     FIXME("iface %p, word_size %lu, stub!\n", iface, word_size);
 225     return E_NOTIMPL;
 226 }
 227
 228 static HRESULT WINAPI mpeg_audio_decoder_get_IntegerDecode(IMpegAudioDecoder *iface, ULONG *integer_decode)
 229 {
 230     FIXME("iface %p, integer_decode %p, stub!\n", iface, integer_decode);
 231     return E_NOTIMPL;
 232 }
 233
 234 static HRESULT WINAPI mpeg_audio_decoder_put_IntegerDecode(IMpegAudioDecoder *iface, ULONG integer_decode)
 235 {
 236     FIXME("iface %p, integer_decode %lu, stub!\n", iface, integer_decode);
 237     return E_NOTIMPL;
 238 }
 239
 240 static HRESULT WINAPI mpeg_audio_decoder_get_DualMode(IMpegAudioDecoder *iface, ULONG *dual_mode)
 241 {
 242     FIXME("iface %p, dual_mode %p, stub!\n", iface, dual_mode);
 243     return E_NOTIMPL;
 244 }
 245
 246 static HRESULT WINAPI mpeg_audio_decoder_put_DualMode(IMpegAudioDecoder *iface, ULONG dual_mode)
 247 {
 248     FIXME("iface %p, dual_mode %lu, stub!\n", iface, dual_mode);
 249     return E_NOTIMPL;
 250 }
 251
 252 static HRESULT WINAPI mpeg_audio_decoder_get_AudioFormat(IMpegAudioDecoder *iface, MPEG1WAVEFORMAT *format)
 253 {
 254     FIXME("iface %p, format %p, stub!\n", iface, format);
 255     return E_NOTIMPL;
 256 }
 257
 258 static const IMpegAudioDecoderVtbl mpeg_audio_decoder_vtbl =
 259 {
 260     mpeg_audio_decoder_QueryInterface,
 261     mpeg_audio_decoder_AddRef,
 262     mpeg_audio_decoder_Release,
 263     mpeg_audio_decoder_get_FrequencyDivider,
 264     mpeg_audio_decoder_put_FrequencyDivider,
 265     mpeg_audio_decoder_get_DecoderAccuracy,
 266     mpeg_audio_decoder_put_DecoderAccuracy,
 267     mpeg_audio_decoder_get_Stereo,
 268     mpeg_audio_decoder_put_Stereo,
 269     mpeg_audio_decoder_get_DecoderWordSize,
 270     mpeg_audio_decoder_put_DecoderWordSize,
 271     mpeg_audio_decoder_get_IntegerDecode,
 272     mpeg_audio_decoder_put_IntegerDecode,
 273     mpeg_audio_decoder_get_DualMode,
 274     mpeg_audio_decoder_put_DualMode,
 275     mpeg_audio_decoder_get_AudioFormat,
 276 };
 277
 278 static HRESULT transform_sink_query_accept(struct strmbase_pin *pin, const AM_MEDIA_TYPE *mt)
 279 {
 280     struct transform *filter = impl_from_strmbase_filter(pin->filter);
 281
 282     return filter->ops->sink_query_accept(filter, mt);
 283 }
 284
 285 static HRESULT transform_sink_query_interface(struct strmbase_pin *pin, REFIID iid, void **out)
 286 {
 287     struct transform *filter = impl_from_strmbase_filter(pin->filter);
 288
 289     if (IsEqualGUID(iid, &IID_IMemInputPin))
 290         *out = &filter->sink.IMemInputPin_iface;
 291     else if (IsEqualGUID(iid, &IID_IQualityControl))
 292         *out = &filter->sink_IQualityControl_iface;
 293     else
 294         return E_NOINTERFACE;
 295
 296     IUnknown_AddRef((IUnknown *)*out);
 297     return S_OK;
 298 }
 299
 300 static HRESULT WINAPI transform_sink_receive(struct strmbase_sink *pin, IMediaSample *sample)
 301 {
 302     struct transform *filter = impl_from_strmbase_filter(pin->pin.filter);
 303     struct wg_sample *wg_sample;
 304     HRESULT hr;
 305
 306     /* We do not expect pin connection state to change while the filter is
 307      * running. This guarantee is necessary, since otherwise we would have to
 308      * take the filter lock, and we can't take the filter lock from a streaming
 309      * thread. */
 310     if (!filter->source.pMemInputPin)
 311     {
 312         WARN("Source is not connected, returning VFW_E_NOT_CONNECTED.\n");
 313         return VFW_E_NOT_CONNECTED;
 314     }
 315
 316     if (filter->filter.state == State_Stopped)
 317         return VFW_E_WRONG_STATE;
 318
 319     if (filter->sink.flushing)
 320         return S_FALSE;
 321
 322     hr = wg_sample_create_quartz(sample, &wg_sample);
 323     if (FAILED(hr))
 324         return hr;
 325
 326     hr = wg_transform_push_quartz(filter->transform, wg_sample, filter->sample_queue);
 327     if (FAILED(hr))
 328         return hr;
 329
 330     for (;;)
 331     {
 332         IMediaSample *output_sample;
 333
 334         hr = IMemAllocator_GetBuffer(filter->source.pAllocator, &output_sample, NULL, NULL, 0);
 335         if (FAILED(hr))
 336             return hr;
 337
 338         hr = wg_sample_create_quartz(output_sample, &wg_sample);
 339         if (FAILED(hr))
 340         {
 341             IMediaSample_Release(output_sample);
 342             return hr;
 343         }
 344
 345         hr = wg_transform_read_quartz(filter->transform, wg_sample);
 346         wg_sample_release(wg_sample);
 347
 348         if (hr == MF_E_TRANSFORM_NEED_MORE_INPUT)
 349         {
 350             IMediaSample_Release(output_sample);
 351             break;
 352         }
 353         if (FAILED(hr))
 354         {
 355             IMediaSample_Release(output_sample);
 356             return hr;
 357         }
 358
 359         wg_sample_queue_flush(filter->sample_queue, false);
 360
 361         hr = IMemInputPin_Receive(filter->source.pMemInputPin, output_sample);
 362         if (FAILED(hr))
 363         {
 364             IMediaSample_Release(output_sample);
 365             return hr;
 366         }
 367
 368         IMediaSample_Release(output_sample);
 369     }
 370
 371     return S_OK;
 372 }
 373
 374 static const struct strmbase_sink_ops sink_ops =
 375 {
 376     .base.pin_query_accept = transform_sink_query_accept,
 377     .base.pin_query_interface = transform_sink_query_interface,
 378     .pfnReceive = transform_sink_receive,
 379 };
 380
 381 static HRESULT transform_source_query_accept(struct strmbase_pin *pin, const AM_MEDIA_TYPE *mt)
 382 {
 383     struct transform *filter = impl_from_strmbase_filter(pin->filter);
 384
 385     return filter->ops->source_query_accept(filter, mt);
 386 }
 387
 388 static HRESULT transform_source_get_media_type(struct strmbase_pin *pin, unsigned int index, AM_MEDIA_TYPE *mt)
 389 {
 390     struct transform *filter = impl_from_strmbase_filter(pin->filter);
 391
 392     return filter->ops->source_get_media_type(filter, index, mt);
 393 }
 394
 395 static HRESULT transform_source_query_interface(struct strmbase_pin *pin, REFIID iid, void **out)
 396 {
 397     struct transform *filter = impl_from_strmbase_filter(pin->filter);
 398
 399     if (IsEqualGUID(iid, &IID_IMediaPosition))
 400         *out = &filter->passthrough.IMediaPosition_iface;
 401     else if (IsEqualGUID(iid, &IID_IMediaSeeking))
 402         *out = &filter->passthrough.IMediaSeeking_iface;
 403     else if (IsEqualGUID(iid, &IID_IQualityControl))
 404         *out = &filter->source_IQualityControl_iface;
 405     else
 406         return E_NOINTERFACE;
 407
 408     IUnknown_AddRef((IUnknown *)*out);
 409     return S_OK;
 410 }
 411
 412 static HRESULT WINAPI transform_source_DecideBufferSize(struct strmbase_source *pin, IMemAllocator *allocator, ALLOCATOR_PROPERTIES *props)
 413 {
 414     struct transform *filter = impl_from_strmbase_filter(pin->pin.filter);
 415
 416     return filter->ops->source_decide_buffer_size(filter, allocator, props);
 417 }
 418
 419 static const struct strmbase_source_ops source_ops =
 420 {
 421     .base.pin_query_accept = transform_source_query_accept,
 422     .base.pin_get_media_type = transform_source_get_media_type,
 423     .base.pin_query_interface = transform_source_query_interface,
 424     .pfnAttemptConnection = BaseOutputPinImpl_AttemptConnection,
 425     .pfnDecideAllocator = BaseOutputPinImpl_DecideAllocator,
 426     .pfnDecideBufferSize = transform_source_DecideBufferSize,
 427 };
 428
 429 static struct transform *impl_from_sink_IQualityControl(IQualityControl *iface)
 430 {
 431     return CONTAINING_RECORD(iface, struct transform, sink_IQualityControl_iface);
 432 }
 433
 434 static HRESULT WINAPI sink_quality_control_QueryInterface(IQualityControl *iface, REFIID iid, void **out)
 435 {
 436     struct transform *filter = impl_from_sink_IQualityControl(iface);
 437     return IPin_QueryInterface(&filter->source.pin.IPin_iface, iid, out);
 438 }
 439
 440 static ULONG WINAPI sink_quality_control_AddRef(IQualityControl *iface)
 441 {
 442     struct transform *filter = impl_from_sink_IQualityControl(iface);
 443     return IPin_AddRef(&filter->source.pin.IPin_iface);
 444 }
 445
 446 static ULONG WINAPI sink_quality_control_Release(IQualityControl *iface)
 447 {
 448     struct transform *filter = impl_from_sink_IQualityControl(iface);
 449     return IPin_Release(&filter->source.pin.IPin_iface);
 450 }
 451
 452 static HRESULT WINAPI sink_quality_control_Notify(IQualityControl *iface, IBaseFilter *sender, Quality q)
 453 {
 454     struct transform *filter = impl_from_sink_IQualityControl(iface);
 455
 456     TRACE("filter %p, sender %p, type %#x, proportion %ld, late %s, timestamp %s.\n",
 457             filter, sender, q.Type, q.Proportion, debugstr_time(q.Late), debugstr_time(q.TimeStamp));
 458
 459     return S_OK;
 460 }
 461
 462 static HRESULT WINAPI sink_quality_control_SetSink(IQualityControl *iface, IQualityControl *sink)
 463 {
 464     struct transform *filter = impl_from_sink_IQualityControl(iface);
 465
 466     TRACE("filter %p, sink %p.\n", filter, sink);
 467
 468     filter->qc_sink = sink;
 469
 470     return S_OK;
 471 }
 472
 473 static const IQualityControlVtbl sink_quality_control_vtbl =
 474 {
 475     sink_quality_control_QueryInterface,
 476     sink_quality_control_AddRef,
 477     sink_quality_control_Release,
 478     sink_quality_control_Notify,
 479     sink_quality_control_SetSink,
 480 };
 481
 482 static struct transform *impl_from_source_IQualityControl(IQualityControl *iface)
 483 {
 484     return CONTAINING_RECORD(iface, struct transform, source_IQualityControl_iface);
 485 }
 486
 487 static HRESULT WINAPI source_quality_control_QueryInterface(IQualityControl *iface, REFIID iid, void **out)
 488 {
 489     struct transform *filter = impl_from_source_IQualityControl(iface);
 490     return IPin_QueryInterface(&filter->source.pin.IPin_iface, iid, out);
 491 }
 492
 493 static ULONG WINAPI source_quality_control_AddRef(IQualityControl *iface)
 494 {
 495     struct transform *filter = impl_from_source_IQualityControl(iface);
 496     return IPin_AddRef(&filter->source.pin.IPin_iface);
 497 }
 498
 499 static ULONG WINAPI source_quality_control_Release(IQualityControl *iface)
 500 {
 501     struct transform *filter = impl_from_source_IQualityControl(iface);
 502     return IPin_Release(&filter->source.pin.IPin_iface);
 503 }
 504
 505 static HRESULT WINAPI source_quality_control_Notify(IQualityControl *iface, IBaseFilter *sender, Quality q)
 506 {
 507     struct transform *filter = impl_from_source_IQualityControl(iface);
 508     IQualityControl *peer;
 509     HRESULT hr = VFW_E_NOT_FOUND;
 510
 511     TRACE("filter %p, sender %p, type %#x, proportion %ld, late %s, timestamp %s.\n",
 512             filter, sender, q.Type, q.Proportion, debugstr_time(q.Late), debugstr_time(q.TimeStamp));
 513
 514     if (filter->qc_sink)
 515         return IQualityControl_Notify(filter->qc_sink, &filter->filter.IBaseFilter_iface, q);
 516
 517     if (filter->sink.pin.peer
 518             && SUCCEEDED(IPin_QueryInterface(filter->sink.pin.peer, &IID_IQualityControl, (void **)&peer)))
 519     {
 520         hr = IQualityControl_Notify(peer, &filter->filter.IBaseFilter_iface, q);
 521         IQualityControl_Release(peer);
 522     }
 523
 524     return hr;
 525 }
 526
 527 static HRESULT WINAPI source_quality_control_SetSink(IQualityControl *iface, IQualityControl *sink)
 528 {
 529     struct transform *filter = impl_from_source_IQualityControl(iface);
 530
 531     TRACE("filter %p, sink %p.\n", filter, sink);
 532
 533     return S_OK;
 534 }
 535
 536 static const IQualityControlVtbl source_quality_control_vtbl =
 537 {
 538     source_quality_control_QueryInterface,
 539     source_quality_control_AddRef,
 540     source_quality_control_Release,
 541     source_quality_control_Notify,
 542     source_quality_control_SetSink,
 543 };
 544
 545 static HRESULT transform_create(IUnknown *outer, const CLSID *clsid, const struct transform_ops *ops, struct transform **out)
 546 {
 547     struct transform *object;
 548
 549     object = calloc(1, sizeof(*object));
 550     if (!object)
 551         return E_OUTOFMEMORY;
 552
 553     strmbase_filter_init(&object->filter, outer, clsid, &filter_ops);
 554     strmbase_sink_init(&object->sink, &object->filter, L"In", &sink_ops, NULL);
 555     strmbase_source_init(&object->source, &object->filter, L"Out", &source_ops);
 556
 557     strmbase_passthrough_init(&object->passthrough, (IUnknown *)&object->source.pin.IPin_iface);
 558     ISeekingPassThru_Init(&object->passthrough.ISeekingPassThru_iface, FALSE,
 559             &object->sink.pin.IPin_iface);
 560
 561     object->sink_IQualityControl_iface.lpVtbl = &sink_quality_control_vtbl;
 562     object->source_IQualityControl_iface.lpVtbl = &source_quality_control_vtbl;
 563
 564     object->ops = ops;
 565
 566     *out = object;
 567     return S_OK;
 568 }
 569
 570 static HRESULT mpeg_audio_codec_sink_query_accept(struct transform *filter, const AM_MEDIA_TYPE *mt)
 571 {
 572     const MPEG1WAVEFORMAT *format;
 573
 574     if (!IsEqualGUID(&mt->majortype, &MEDIATYPE_Audio))
 575         return S_FALSE;
 576
 577     if (!IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_MPEG1Packet)
 578             && !IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_MPEG1Payload)
 579             && !IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_MPEG1AudioPayload)
 580             && !IsEqualGUID(&mt->subtype, &GUID_NULL))
 581         return S_FALSE;
 582
 583     if (!IsEqualGUID(&mt->formattype, &FORMAT_WaveFormatEx)
 584             || mt->cbFormat < sizeof(MPEG1WAVEFORMAT))
 585         return S_FALSE;
 586
 587     format = (const MPEG1WAVEFORMAT *)mt->pbFormat;
 588
 589     if (format->wfx.wFormatTag != WAVE_FORMAT_MPEG
 590             || format->fwHeadLayer == ACM_MPEG_LAYER3)
 591         return S_FALSE;
 592
 593     return S_OK;
 594 }
 595
 596 static HRESULT mpeg_audio_codec_source_query_accept(struct transform *filter, const AM_MEDIA_TYPE *mt)
 597 {
 598     const MPEG1WAVEFORMAT *input_format;
 599     const WAVEFORMATEX *output_format;
 600     DWORD expected_avg_bytes_per_sec;
 601     WORD expected_block_align;
 602
 603     if (!filter->sink.pin.peer)
 604         return S_FALSE;
 605
 606     if (!IsEqualGUID(&mt->majortype, &MEDIATYPE_Audio)
 607             || !IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_PCM)
 608             || !IsEqualGUID(&mt->formattype, &FORMAT_WaveFormatEx)
 609             || mt->cbFormat < sizeof(WAVEFORMATEX))
 610         return S_FALSE;
 611
 612     input_format = (const MPEG1WAVEFORMAT *)filter->sink.pin.mt.pbFormat;
 613     output_format = (const WAVEFORMATEX *)mt->pbFormat;
 614
 615     if (output_format->wFormatTag != WAVE_FORMAT_PCM
 616             || input_format->wfx.nSamplesPerSec != output_format->nSamplesPerSec
 617             || input_format->wfx.nChannels != output_format->nChannels
 618             || (output_format->wBitsPerSample != 8 && output_format->wBitsPerSample != 16))
 619         return S_FALSE;
 620
 621     expected_block_align = output_format->nChannels * output_format->wBitsPerSample / 8;
 622     expected_avg_bytes_per_sec = expected_block_align * output_format->nSamplesPerSec;
 623
 624     if (output_format->nBlockAlign != expected_block_align
 625             || output_format->nAvgBytesPerSec != expected_avg_bytes_per_sec)
 626         return S_FALSE;
 627
 628     return S_OK;
 629 }
 630
 631 static HRESULT mpeg_audio_codec_source_get_media_type(struct transform *filter, unsigned int index, AM_MEDIA_TYPE *mt)
 632 {
 633     const MPEG1WAVEFORMAT *input_format;
 634     WAVEFORMATEX *output_format;
 635
 636     if (!filter->sink.pin.peer)
 637         return VFW_S_NO_MORE_ITEMS;
 638
 639     if (index > 1)
 640         return VFW_S_NO_MORE_ITEMS;
 641
 642     input_format = (const MPEG1WAVEFORMAT *)filter->sink.pin.mt.pbFormat;
 643
 644     output_format = CoTaskMemAlloc(sizeof(*output_format));
 645     if (!output_format)
 646         return E_OUTOFMEMORY;
 647
 648     memset(output_format, 0, sizeof(*output_format));
 649     output_format->wFormatTag = WAVE_FORMAT_PCM;
 650     output_format->nSamplesPerSec = input_format->wfx.nSamplesPerSec;
 651     output_format->nChannels = input_format->wfx.nChannels;
 652     output_format->wBitsPerSample = index ? 8 : 16;
 653     output_format->nBlockAlign = output_format->nChannels * output_format->wBitsPerSample / 8;
 654     output_format->nAvgBytesPerSec = output_format->nBlockAlign * output_format->nSamplesPerSec;
 655
 656     memset(mt, 0, sizeof(*mt));
 657     mt->majortype = MEDIATYPE_Audio;
 658     mt->subtype = MEDIASUBTYPE_PCM;
 659     mt->bFixedSizeSamples = TRUE;
 660     mt->lSampleSize = output_format->nBlockAlign;
 661     mt->formattype = FORMAT_WaveFormatEx;
 662     mt->cbFormat = sizeof(*output_format);
 663     mt->pbFormat = (BYTE *)output_format;
 664
 665     return S_OK;
 666 }
 667
 668 static HRESULT mpeg_audio_codec_source_decide_buffer_size(struct transform *filter, IMemAllocator *allocator, ALLOCATOR_PROPERTIES *props)
 669 {
 670     MPEG1WAVEFORMAT *input_format = (MPEG1WAVEFORMAT *)filter->sink.pin.mt.pbFormat;
 671     WAVEFORMATEX *output_format = (WAVEFORMATEX *)filter->source.pin.mt.pbFormat;
 672     LONG frame_samples = (input_format->fwHeadLayer & ACM_MPEG_LAYER2) ? 1152 : 384;
 673     LONG frame_size = frame_samples * output_format->nBlockAlign;
 674     ALLOCATOR_PROPERTIES ret_props;
 675
 676     props->cBuffers = max(props->cBuffers, 8);
 677     props->cbBuffer = max(props->cbBuffer, frame_size * 4);
 678     props->cbAlign = max(props->cbAlign, 1);
 679
 680     return IMemAllocator_SetProperties(allocator, props, &ret_props);
 681 }
 682
 683 static const struct transform_ops mpeg_audio_codec_transform_ops =
 684 {
 685     mpeg_audio_codec_sink_query_accept,
 686     mpeg_audio_codec_source_query_accept,
 687     mpeg_audio_codec_source_get_media_type,
 688     mpeg_audio_codec_source_decide_buffer_size,
 689 };
 690
 691 HRESULT mpeg_audio_codec_create(IUnknown *outer, IUnknown **out)
 692 {
 693     static const struct wg_format output_format =
 694     {
 695         .major_type = WG_MAJOR_TYPE_AUDIO,
 696         .u.audio =
 697         {
 698             .format = WG_AUDIO_FORMAT_S16LE,
 699             .channel_mask = 1,
 700             .channels = 1,
 701             .rate = 44100,
 702         },
 703     };
 704     static const struct wg_format input_format =
 705     {
 706         .major_type = WG_MAJOR_TYPE_AUDIO_MPEG1,
 707         .u.audio_mpeg1 =
 708         {
 709             .layer = 2,
 710             .channels = 1,
 711             .rate = 44100,
 712         },
 713     };
 714     struct wg_transform_attrs attrs = {0};
 715     wg_transform_t transform;
 716     struct transform *object;
 717     HRESULT hr;
 718
 719     transform = wg_transform_create(&input_format, &output_format, &attrs);
 720     if (!transform)
 721     {
 722         ERR_(winediag)("GStreamer doesn't support MPEG-1 audio decoding, please install appropriate plugins.\n");
 723         return E_FAIL;
 724     }
 725     wg_transform_destroy(transform);
 726
 727     hr = transform_create(outer, &CLSID_CMpegAudioCodec, &mpeg_audio_codec_transform_ops, &object);
 728     if (FAILED(hr))
 729         return hr;
 730
 731     wcscpy(object->sink.pin.name, L"XForm In");
 732     wcscpy(object->source.pin.name, L"XForm Out");
 733
 734     object->IMpegAudioDecoder_iface.lpVtbl = &mpeg_audio_decoder_vtbl;
 735
 736     TRACE("Created MPEG audio decoder %p.\n", object);
 737     *out = &object->filter.IUnknown_inner;
 738     return hr;
 739 }
 740
 741 static HRESULT mpeg_layer3_decoder_sink_query_accept(struct transform *filter, const AM_MEDIA_TYPE *mt)
 742 {
 743     const MPEGLAYER3WAVEFORMAT *format;
 744
 745     if (!IsEqualGUID(&mt->majortype, &MEDIATYPE_Audio)
 746             || !IsEqualGUID(&mt->formattype, &FORMAT_WaveFormatEx)
 747             || mt->cbFormat < sizeof(MPEGLAYER3WAVEFORMAT))
 748         return S_FALSE;
 749
 750     format = (const MPEGLAYER3WAVEFORMAT *)mt->pbFormat;
 751
 752     if (format->wfx.wFormatTag != WAVE_FORMAT_MPEGLAYER3)
 753         return S_FALSE;
 754
 755     return S_OK;
 756 }
 757
 758 static HRESULT mpeg_layer3_decoder_source_query_accept(struct transform *filter, const AM_MEDIA_TYPE *mt)
 759 {
 760     if (!filter->sink.pin.peer)
 761         return S_FALSE;
 762
 763     if (!IsEqualGUID(&mt->majortype, &MEDIATYPE_Audio)
 764             || !IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_PCM))
 765         return S_FALSE;
 766
 767     return S_OK;
 768 }
 769
 770 static HRESULT mpeg_layer3_decoder_source_get_media_type(struct transform *filter, unsigned int index, AM_MEDIA_TYPE *mt)
 771 {
 772     const MPEGLAYER3WAVEFORMAT *input_format;
 773     WAVEFORMATEX *output_format;
 774
 775     if (!filter->sink.pin.peer)
 776         return VFW_S_NO_MORE_ITEMS;
 777
 778     if (index > 0)
 779         return VFW_S_NO_MORE_ITEMS;
 780
 781     input_format = (const MPEGLAYER3WAVEFORMAT *)filter->sink.pin.mt.pbFormat;
 782
 783     output_format = CoTaskMemAlloc(sizeof(*output_format));
 784     if (!output_format)
 785         return E_OUTOFMEMORY;
 786
 787     memset(output_format, 0, sizeof(*output_format));
 788     output_format->wFormatTag = WAVE_FORMAT_PCM;
 789     output_format->nSamplesPerSec = input_format->wfx.nSamplesPerSec;
 790     output_format->nChannels = input_format->wfx.nChannels;
 791     output_format->wBitsPerSample = 16;
 792     output_format->nBlockAlign = output_format->nChannels * output_format->wBitsPerSample / 8;
 793     output_format->nAvgBytesPerSec = output_format->nBlockAlign * output_format->nSamplesPerSec;
 794
 795     memset(mt, 0, sizeof(*mt));
 796     mt->majortype = MEDIATYPE_Audio;
 797     mt->subtype = MEDIASUBTYPE_PCM;
 798     mt->bFixedSizeSamples = TRUE;
 799     mt->lSampleSize = 1152 * output_format->nBlockAlign;
 800     mt->formattype = FORMAT_WaveFormatEx;
 801     mt->cbFormat = sizeof(*output_format);
 802     mt->pbFormat = (BYTE *)output_format;
 803
 804     return S_OK;
 805 }
 806
 807 static HRESULT mpeg_layer3_decoder_source_decide_buffer_size(struct transform *filter, IMemAllocator *allocator, ALLOCATOR_PROPERTIES *props)
 808 {
 809     ALLOCATOR_PROPERTIES ret_props;
 810
 811     props->cBuffers = max(props->cBuffers, 8);
 812     props->cbBuffer = max(props->cbBuffer, filter->source.pin.mt.lSampleSize * 4);
 813     props->cbAlign = max(props->cbAlign, 1);
 814
 815     return IMemAllocator_SetProperties(allocator, props, &ret_props);
 816 }
 817
 818 static const struct transform_ops mpeg_layer3_decoder_transform_ops =
 819 {
 820     mpeg_layer3_decoder_sink_query_accept,
 821     mpeg_layer3_decoder_source_query_accept,
 822     mpeg_layer3_decoder_source_get_media_type,
 823     mpeg_layer3_decoder_source_decide_buffer_size,
 824 };
 825
 826 HRESULT mpeg_layer3_decoder_create(IUnknown *outer, IUnknown **out)
 827 {
 828     static const struct wg_format output_format =
 829     {
 830         .major_type = WG_MAJOR_TYPE_AUDIO,
 831         .u.audio =
 832         {
 833             .format = WG_AUDIO_FORMAT_S16LE,
 834             .channel_mask = 1,
 835             .channels = 1,
 836             .rate = 44100,
 837         },
 838     };
 839     static const struct wg_format input_format =
 840     {
 841         .major_type = WG_MAJOR_TYPE_AUDIO_MPEG1,
 842         .u.audio_mpeg1 =
 843         {
 844             .layer = 3,
 845             .channels = 1,
 846             .rate = 44100,
 847         },
 848     };
 849     struct wg_transform_attrs attrs = {0};
 850     wg_transform_t transform;
 851     struct transform *object;
 852     HRESULT hr;
 853
 854     transform = wg_transform_create(&input_format, &output_format, &attrs);
 855     if (!transform)
 856     {
 857         ERR_(winediag)("GStreamer doesn't support MPEG-1 audio decoding, please install appropriate plugins.\n");
 858         return E_FAIL;
 859     }
 860     wg_transform_destroy(transform);
 861
 862     hr = transform_create(outer, &CLSID_mpeg_layer3_decoder, &mpeg_layer3_decoder_transform_ops, &object);
 863     if (FAILED(hr))
 864         return hr;
 865
 866     wcscpy(object->sink.pin.name, L"XForm In");
 867     wcscpy(object->source.pin.name, L"XForm Out");
 868
 869     TRACE("Created MPEG layer-3 decoder %p.\n", object);
 870     *out = &object->filter.IUnknown_inner;
 871     return hr;
 872 }