1 /*****************************************************************************
2 * dmo.c : DirectMedia Object decoder module for vlc
3 *****************************************************************************
4 * Copyright (C) 2002, 2003 the VideoLAN team
7 * Author: Gildas Bazin <gbazin@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc/decoder.h>
42 /* Need the w32dll loader from mplayer */
43 # include <wine/winerror.h>
44 # include <ldt_keeper.h>
45 # include <wine/windef.h>
55 long CoInitialize( void *pvReserved ) { return -1; }
56 void CoUninitialize( void ) { }
58 /* A few prototypes */
59 HMODULE WINAPI LoadLibraryA(LPCSTR);
60 #define LoadLibrary LoadLibraryA
61 FARPROC WINAPI GetProcAddress(HMODULE,LPCSTR);
62 int WINAPI FreeLibrary(HMODULE);
65 typedef long (STDCALL *GETCLASS) ( const GUID*, const GUID*, void** );
67 static int pi_channels_maps[7] =
71 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
72 AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
73 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
74 | AOUT_CHAN_REARRIGHT,
75 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
76 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
77 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
78 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE
81 /*****************************************************************************
83 *****************************************************************************/
84 static int DecoderOpen ( vlc_object_t * );
85 static int DecOpen ( vlc_object_t * );
86 static void DecoderClose ( vlc_object_t * );
87 static void *DecodeBlock ( decoder_t *, block_t ** );
89 static int EncoderOpen ( vlc_object_t * );
90 static int EncOpen ( vlc_object_t * );
91 static void EncoderClose ( vlc_object_t * );
92 static block_t *EncodeBlock( encoder_t *, void * );
94 static int LoadDMO( vlc_object_t *, HINSTANCE *, IMediaObject **,
95 es_format_t *, vlc_bool_t );
96 static void CopyPicture( decoder_t *, picture_t *, uint8_t * );
99 set_description( _("DirectMedia Object decoder") );
100 add_shortcut( "dmo" );
101 set_capability( "decoder", 1 );
102 set_callbacks( DecoderOpen, DecoderClose );
103 set_category( CAT_INPUT );
104 set_subcategory( SUBCAT_INPUT_SCODEC );
106 # define ENC_CFG_PREFIX "sout-dmo-"
108 set_description( _("DirectMedia Object encoder") );
109 set_capability( "encoder", 10 );
110 set_callbacks( EncoderOpen, EncoderClose );
114 /*****************************************************************************
116 *****************************************************************************/
118 /****************************************************************************
119 * Decoder descriptor declaration
120 ****************************************************************************/
123 HINSTANCE hmsdmo_dll;
136 static const GUID guid_wvc1 = { 0xc9bfbccf, 0xe60e, 0x4588, { 0xa3, 0xdf, 0x5a, 0x03, 0xb1, 0xfd, 0x95, 0x85 } };
137 static const GUID guid_wmv9 = { 0x724bb6a4, 0xe526, 0x450f, { 0xaf, 0xfa, 0xab, 0x9b, 0x45, 0x12, 0x91, 0x11 } };
139 static const GUID guid_wmv = { 0x82d353df, 0x90bd, 0x4382, { 0x8b, 0xc2, 0x3f, 0x61, 0x92, 0xb7, 0x6e, 0x34 } };
140 static const GUID guid_wms = { 0x7bafb3b1, 0xd8f4, 0x4279, { 0x92, 0x53, 0x27, 0xda, 0x42, 0x31, 0x08, 0xde } };
141 static const GUID guid_wmva ={ 0x03be3ac4, 0x84b7, 0x4e0e, { 0xa7, 0x8d, 0xd3, 0x52, 0x4e, 0x60, 0x39, 0x5a } };
143 static const GUID guid_wma = { 0x874131cb, 0x4ecc, 0x443b, { 0x89, 0x48, 0x74, 0x6b, 0x89, 0x59, 0x5d, 0x20 } };
144 static const GUID guid_wma9 = { 0x27ca0808, 0x01f5, 0x4e7a, { 0x8b, 0x05, 0x87, 0xf8, 0x07, 0xa2, 0x33, 0xd1 } };
146 static const GUID guid_wmv_enc = { 0x3181343b, 0x94a2, 0x4feb, { 0xad, 0xef, 0x30, 0xa1, 0xdd, 0xe6, 0x17, 0xb4 } };
147 static const GUID guid_wma_enc = { 0x70f598e9, 0xf4ab, 0x495a, { 0x99, 0xe2, 0xa7, 0xc4, 0xd3, 0xd8, 0x9a, 0xbf } };
151 vlc_fourcc_t i_fourcc;
157 static const codec_dll decoders_table[] =
160 { VLC_FOURCC('W','V','C','1'), "wvc1dmod.dll", &guid_wvc1 },
161 { VLC_FOURCC('w','v','c','1'), "wvc1dmod.dll", &guid_wvc1 },
163 { VLC_FOURCC('W','M','V','3'), "wmv9dmod.dll", &guid_wmv9 },
164 { VLC_FOURCC('W','M','V','P'), "wmv9dmod.dll", &guid_wmv9 },
165 { VLC_FOURCC('w','m','v','3'), "wmv9dmod.dll", &guid_wmv9 },
167 { VLC_FOURCC('W','M','V','2'), "wmvdmod.dll", &guid_wmv },
168 { VLC_FOURCC('w','m','v','2'), "wmvdmod.dll", &guid_wmv },
170 { VLC_FOURCC('W','M','V','1'), "wmvdmod.dll", &guid_wmv },
171 { VLC_FOURCC('w','m','v','1'), "wmvdmod.dll", &guid_wmv },
173 { VLC_FOURCC('M','S','S','1'), "wmsdmod.dll", &guid_wms },
174 { VLC_FOURCC('M','S','S','2'), "wmsdmod.dll", &guid_wms },
175 /* Windows Media Video Adv */
176 { VLC_FOURCC('W','M','V','A'), "wmvadvd.dll", &guid_wmva },
177 { VLC_FOURCC('W','V','P','2'), "wmvadvd.dll", &guid_wmva },
180 { VLC_FOURCC('W','M','A','3'), "wma9dmod.dll", &guid_wma9 },
181 { VLC_FOURCC('w','m','a','3'), "wma9dmod.dll", &guid_wma9 },
182 { VLC_FOURCC('w','m','a','p'), "wma9dmod.dll", &guid_wma9 },
184 { VLC_FOURCC('W','M','A','2'), "wma9dmod.dll", &guid_wma9 },
185 { VLC_FOURCC('w','m','a','2'), "wma9dmod.dll", &guid_wma9 },
188 { VLC_FOURCC('w','m','a','s'), "wmspdmod.dll", &guid_wma },
194 static const codec_dll encoders_table[] =
197 { VLC_FOURCC('W','M','V','2'), "wmvdmoe.dll", &guid_wmv_enc },
198 { VLC_FOURCC('w','m','v','2'), "wmvdmoe.dll", &guid_wmv_enc },
200 { VLC_FOURCC('W','M','V','1'), "wmvdmoe.dll", &guid_wmv_enc },
201 { VLC_FOURCC('w','m','v','1'), "wmvdmoe.dll", &guid_wmv_enc },
204 { VLC_FOURCC('W','M','A','3'), "wmadmoe.dll", &guid_wma_enc },
205 { VLC_FOURCC('w','m','a','3'), "wmadmoe.dll", &guid_wma_enc },
207 { VLC_FOURCC('W','M','A','2'), "wmadmoe.dll", &guid_wma_enc },
208 { VLC_FOURCC('w','m','a','2'), "wmadmoe.dll", &guid_wma_enc },
214 static void WINAPI DMOFreeMediaType( DMO_MEDIA_TYPE *mt )
216 if( mt->cbFormat != 0 ) CoTaskMemFree( (PVOID)mt->pbFormat );
217 if( mt->pUnk != NULL ) mt->pUnk->vt->Release( (IUnknown *)mt->pUnk );
223 /*****************************************************************************
224 * DecoderOpen: open dmo codec
225 *****************************************************************************/
226 static int DecoderOpen( vlc_object_t *p_this )
228 decoder_t *p_dec = (decoder_t*)p_this;
231 int i_ret = DecOpen( p_this );
232 if( i_ret != VLC_SUCCESS ) return i_ret;
236 /* We can't open it now, because of ldt_keeper or something
237 * Open/Decode/Close has to be done in the same thread */
242 /* Probe if we support it */
243 for( i = 0; decoders_table[i].i_fourcc != 0; i++ )
245 if( decoders_table[i].i_fourcc == p_dec->fmt_in.i_codec )
247 msg_Dbg( p_dec, "DMO codec for %4.4s may work with dll=%s",
248 (char*)&p_dec->fmt_in.i_codec,
249 decoders_table[i].psz_dll );
255 if( !decoders_table[i].i_fourcc ) return VLC_EGENERIC;
259 p_dec->pf_decode_video = (picture_t *(*)(decoder_t *, block_t **))
261 p_dec->pf_decode_audio = (aout_buffer_t *(*)(decoder_t *, block_t **))
267 /*****************************************************************************
268 * DecOpen: open dmo codec
269 *****************************************************************************/
270 static int DecOpen( vlc_object_t *p_this )
272 decoder_t *p_dec = (decoder_t*)p_this;
273 decoder_sys_t *p_sys = NULL;
275 DMO_MEDIA_TYPE dmo_input_type, dmo_output_type;
276 IMediaObject *p_dmo = NULL;
277 HINSTANCE hmsdmo_dll = NULL;
279 VIDEOINFOHEADER *p_vih = NULL;
280 WAVEFORMATEX *p_wf = NULL;
283 ldt_fs_t *ldt_fs = Setup_LDT_Keeper();
285 /* Initialize OLE/COM */
289 if( LoadDMO( p_this, &hmsdmo_dll, &p_dmo, &p_dec->fmt_in, VLC_FALSE )
297 /* Setup input format */
298 memset( &dmo_input_type, 0, sizeof(dmo_input_type) );
299 dmo_input_type.pUnk = 0;
301 if( p_dec->fmt_in.i_cat == AUDIO_ES )
304 int i_size = sizeof(WAVEFORMATEX) + p_dec->fmt_in.i_extra;
305 p_wf = malloc( i_size );
307 memset( p_wf, 0, sizeof(WAVEFORMATEX) );
308 if( p_dec->fmt_in.i_extra )
309 memcpy( &p_wf[1], p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
311 dmo_input_type.majortype = MEDIATYPE_Audio;
312 dmo_input_type.subtype = dmo_input_type.majortype;
313 dmo_input_type.subtype.Data1 = p_dec->fmt_in.i_codec;
314 fourcc_to_wf_tag( p_dec->fmt_in.i_codec, &i_tag );
315 if( i_tag ) dmo_input_type.subtype.Data1 = i_tag;
317 p_wf->wFormatTag = dmo_input_type.subtype.Data1;
318 p_wf->nSamplesPerSec = p_dec->fmt_in.audio.i_rate;
319 p_wf->nChannels = p_dec->fmt_in.audio.i_channels;
320 p_wf->wBitsPerSample = p_dec->fmt_in.audio.i_bitspersample;
321 p_wf->nBlockAlign = p_dec->fmt_in.audio.i_blockalign;
322 p_wf->nAvgBytesPerSec = p_dec->fmt_in.i_bitrate / 8;
323 p_wf->cbSize = p_dec->fmt_in.i_extra;
325 dmo_input_type.formattype = FORMAT_WaveFormatEx;
326 dmo_input_type.cbFormat = i_size;
327 dmo_input_type.pbFormat = (char *)p_wf;
328 dmo_input_type.bFixedSizeSamples = 1;
329 dmo_input_type.bTemporalCompression = 0;
330 dmo_input_type.lSampleSize = p_wf->nBlockAlign;
334 BITMAPINFOHEADER *p_bih;
336 int i_size = sizeof(VIDEOINFOHEADER) + p_dec->fmt_in.i_extra;
337 p_vih = malloc( i_size );
339 memset( p_vih, 0, sizeof(VIDEOINFOHEADER) );
340 if( p_dec->fmt_in.i_extra )
341 memcpy( &p_vih[1], p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
343 p_bih = &p_vih->bmiHeader;
344 p_bih->biCompression = p_dec->fmt_in.i_codec;
345 p_bih->biWidth = p_dec->fmt_in.video.i_width;
346 p_bih->biHeight = p_dec->fmt_in.video.i_height;
347 p_bih->biBitCount = p_dec->fmt_in.video.i_bits_per_pixel;
349 p_bih->biSize = i_size - sizeof(VIDEOINFOHEADER) +
350 sizeof(BITMAPINFOHEADER);
352 p_vih->rcSource.left = p_vih->rcSource.top = 0;
353 p_vih->rcSource.right = p_dec->fmt_in.video.i_width;
354 p_vih->rcSource.bottom = p_dec->fmt_in.video.i_height;
355 p_vih->rcTarget = p_vih->rcSource;
357 dmo_input_type.majortype = MEDIATYPE_Video;
358 dmo_input_type.subtype = dmo_input_type.majortype;
359 dmo_input_type.subtype.Data1 = p_dec->fmt_in.i_codec;
360 dmo_input_type.formattype = FORMAT_VideoInfo;
361 dmo_input_type.bFixedSizeSamples = 0;
362 dmo_input_type.bTemporalCompression = 1;
363 dmo_input_type.cbFormat = i_size;
364 dmo_input_type.pbFormat = (char *)p_vih;
367 if( p_dmo->vt->SetInputType( p_dmo, 0, &dmo_input_type, 0 ) )
369 msg_Err( p_dec, "can't set DMO input type" );
372 msg_Dbg( p_dec, "DMO input type set" );
374 /* Setup output format */
375 memset( &dmo_output_type, 0, sizeof(dmo_output_type) );
376 dmo_output_type.pUnk = 0;
378 if( p_dec->fmt_in.i_cat == AUDIO_ES )
380 /* Setup the format */
381 p_dec->fmt_out.i_codec = AOUT_FMT_S16_NE;
382 p_dec->fmt_out.audio.i_rate = p_dec->fmt_in.audio.i_rate;
383 p_dec->fmt_out.audio.i_channels = p_dec->fmt_in.audio.i_channels;
384 p_dec->fmt_out.audio.i_bitspersample = 16;//p_dec->fmt_in.audio.i_bitspersample; We request 16
385 p_dec->fmt_out.audio.i_physical_channels =
386 p_dec->fmt_out.audio.i_original_channels =
387 pi_channels_maps[p_dec->fmt_out.audio.i_channels];
389 p_wf->wFormatTag = WAVE_FORMAT_PCM;
390 p_wf->nSamplesPerSec = p_dec->fmt_out.audio.i_rate;
391 p_wf->nChannels = p_dec->fmt_out.audio.i_channels;
392 p_wf->wBitsPerSample = p_dec->fmt_out.audio.i_bitspersample;
394 p_wf->wBitsPerSample / 8 * p_wf->nChannels;
395 p_wf->nAvgBytesPerSec =
396 p_wf->nSamplesPerSec * p_wf->nBlockAlign;
399 dmo_output_type.majortype = MEDIATYPE_Audio;
400 dmo_output_type.formattype = FORMAT_WaveFormatEx;
401 dmo_output_type.subtype = MEDIASUBTYPE_PCM;
402 dmo_output_type.cbFormat = sizeof(WAVEFORMATEX);
403 dmo_output_type.pbFormat = (char *)p_wf;
404 dmo_output_type.bFixedSizeSamples = 1;
405 dmo_output_type.bTemporalCompression = 0;
406 dmo_output_type.lSampleSize = p_wf->nBlockAlign;
410 BITMAPINFOHEADER *p_bih;
412 unsigned i_chroma = VLC_FOURCC('Y','U','Y','2');
413 int i_planes = 1, i_bpp = 16;
416 /* Find out which chroma to use */
417 while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &mt ) )
419 if( mt.subtype.Data1 == VLC_FOURCC('Y','V','1','2') )
421 i_chroma = mt.subtype.Data1;
422 i_planes = 3; i_bpp = 12;
425 DMOFreeMediaType( &mt );
428 p_dec->fmt_out.i_codec = i_chroma == VLC_FOURCC('Y','V','1','2') ?
429 VLC_FOURCC('I','4','2','0') : i_chroma;
430 p_dec->fmt_out.video.i_width = p_dec->fmt_in.video.i_width;
431 p_dec->fmt_out.video.i_height = p_dec->fmt_in.video.i_height;
432 p_dec->fmt_out.video.i_bits_per_pixel = i_bpp;
434 /* If an aspect-ratio was specified in the input format then force it */
435 if( p_dec->fmt_in.video.i_aspect )
437 p_dec->fmt_out.video.i_aspect = p_dec->fmt_in.video.i_aspect;
441 p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR *
442 p_dec->fmt_out.video.i_width / p_dec->fmt_out.video.i_height;
445 p_bih = &p_vih->bmiHeader;
446 p_bih->biCompression = i_chroma;
447 p_bih->biHeight *= -1;
448 p_bih->biBitCount = p_dec->fmt_out.video.i_bits_per_pixel;
449 p_bih->biSizeImage = p_dec->fmt_in.video.i_width *
450 p_dec->fmt_in.video.i_height *
451 (p_dec->fmt_in.video.i_bits_per_pixel + 7) / 8;
453 p_bih->biPlanes = i_planes;
454 p_bih->biSize = sizeof(BITMAPINFOHEADER);
456 dmo_output_type.majortype = MEDIATYPE_Video;
457 dmo_output_type.formattype = FORMAT_VideoInfo;
458 dmo_output_type.subtype = dmo_output_type.majortype;
459 dmo_output_type.subtype.Data1 = p_bih->biCompression;
460 dmo_output_type.bFixedSizeSamples = VLC_TRUE;
461 dmo_output_type.bTemporalCompression = 0;
462 dmo_output_type.lSampleSize = p_bih->biSizeImage;
463 dmo_output_type.cbFormat = sizeof(VIDEOINFOHEADER);
464 dmo_output_type.pbFormat = (char *)p_vih;
468 /* Enumerate output types */
469 if( p_dec->fmt_in.i_cat == VIDEO_ES )
474 while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &mt ) )
476 msg_Dbg( p_dec, "available output chroma: %4.4s",
477 (char *)&mt.subtype.Data1 );
478 DMOFreeMediaType( &mt );
483 if( p_dmo->vt->SetOutputType( p_dmo, 0, &dmo_output_type, 0 ) )
485 msg_Err( p_dec, "can't set DMO output type" );
488 msg_Dbg( p_dec, "DMO output type set" );
490 /* Allocate the memory needed to store the decoder's structure */
491 if( ( p_dec->p_sys = p_sys =
492 (decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
494 msg_Err( p_dec, "out of memory" );
498 p_sys->hmsdmo_dll = hmsdmo_dll;
499 p_sys->p_dmo = p_dmo;
501 p_sys->ldt_fs = ldt_fs;
504 /* Find out some properties of the output */
506 uint32_t i_size, i_align;
508 p_sys->i_min_output = 0;
509 if( p_dmo->vt->GetOutputSizeInfo( p_dmo, 0, &i_size, &i_align ) )
511 msg_Err( p_dec, "GetOutputSizeInfo() failed" );
516 msg_Dbg( p_dec, "GetOutputSizeInfo(): bytes %i, align %i",
518 p_sys->i_min_output = i_size;
519 p_sys->p_buffer = malloc( i_size );
520 if( !p_sys->p_buffer ) goto error;
524 /* Set output properties */
525 p_dec->fmt_out.i_cat = p_dec->fmt_in.i_cat;
526 if( p_dec->fmt_out.i_cat == AUDIO_ES )
527 date_Init( &p_sys->end_date, p_dec->fmt_in.audio.i_rate, 1 );
529 date_Init( &p_sys->end_date, 25 /* FIXME */, 1 );
531 if( p_vih ) free( p_vih );
532 if( p_wf ) free( p_wf );
538 if( p_dmo ) p_dmo->vt->Release( (IUnknown *)p_dmo );
539 if( hmsdmo_dll ) FreeLibrary( hmsdmo_dll );
542 Restore_LDT_Keeper( ldt_fs );
544 /* Uninitialize OLE/COM */
548 if( p_vih ) free( p_vih );
549 if( p_wf ) free( p_wf );
550 if( p_sys ) free( p_sys );
555 /*****************************************************************************
556 * LoadDMO: Load the DMO object
557 *****************************************************************************/
558 static int LoadDMO( vlc_object_t *p_this, HINSTANCE *p_hmsdmo_dll,
559 IMediaObject **pp_dmo, es_format_t *p_fmt,
562 DMO_PARTIAL_MEDIATYPE dmo_partial_type;
566 long (STDCALL *OurDMOEnum)( const GUID *, uint32_t, uint32_t,
567 const DMO_PARTIAL_MEDIATYPE *,
568 uint32_t, const DMO_PARTIAL_MEDIATYPE *,
571 IEnumDMO *p_enum_dmo = NULL;
578 IClassFactory *cFactory = NULL;
579 IUnknown *cObject = NULL;
580 const codec_dll *codecs_table = b_out ? encoders_table : decoders_table;
583 /* Look for a DMO which can handle the requested codec */
584 if( p_fmt->i_cat == AUDIO_ES )
587 dmo_partial_type.type = MEDIATYPE_Audio;
588 dmo_partial_type.subtype = dmo_partial_type.type;
589 dmo_partial_type.subtype.Data1 = p_fmt->i_codec;
590 fourcc_to_wf_tag( p_fmt->i_codec, &i_tag );
591 if( i_tag ) dmo_partial_type.subtype.Data1 = i_tag;
595 dmo_partial_type.type = MEDIATYPE_Video;
596 dmo_partial_type.subtype = dmo_partial_type.type;
597 dmo_partial_type.subtype.Data1 = p_fmt->i_codec;
602 *p_hmsdmo_dll = LoadLibrary( "msdmo.dll" );
603 if( *p_hmsdmo_dll == NULL )
605 msg_Dbg( p_this, "failed loading msdmo.dll" );
608 OurDMOEnum = (void *)GetProcAddress( *p_hmsdmo_dll, "DMOEnum" );
609 if( OurDMOEnum == NULL )
611 msg_Dbg( p_this, "GetProcAddress failed to find DMOEnum()" );
612 FreeLibrary( *p_hmsdmo_dll );
618 i_err = OurDMOEnum( &GUID_NULL, 1 /*DMO_ENUMF_INCLUDE_KEYED*/,
619 1, &dmo_partial_type, 0, NULL, &p_enum_dmo );
623 i_err = OurDMOEnum( &GUID_NULL, 1 /*DMO_ENUMF_INCLUDE_KEYED*/,
624 0, NULL, 1, &dmo_partial_type, &p_enum_dmo );
628 FreeLibrary( *p_hmsdmo_dll );
629 /* return VLC_EGENERIC; */
630 /* Try loading the dll directly */
634 /* Pickup the first available codec */
636 while( ( S_OK == p_enum_dmo->vt->Next( p_enum_dmo, 1, &clsid_dmo,
637 &psz_dmo_name, &i_dummy /* NULL doesn't work */ ) ) )
639 char psz_temp[MAX_PATH];
640 wcstombs( psz_temp, psz_dmo_name, MAX_PATH );
641 msg_Dbg( p_this, "found DMO: %s", psz_temp );
642 CoTaskMemFree( psz_dmo_name );
645 if( CoCreateInstance( &clsid_dmo, NULL, CLSCTX_INPROC,
646 &IID_IMediaObject, (void **)pp_dmo ) )
648 msg_Warn( p_this, "can't create DMO: %s", psz_temp );
654 p_enum_dmo->vt->Release( (IUnknown *)p_enum_dmo );
658 FreeLibrary( *p_hmsdmo_dll );
659 /* return VLC_EGENERIC; */
660 /* Try loading the dll directly */
669 for( i_codec = 0; codecs_table[i_codec].i_fourcc != 0; i_codec++ )
671 if( codecs_table[i_codec].i_fourcc == p_fmt->i_codec )
674 if( codecs_table[i_codec].i_fourcc == 0 )
675 return VLC_EGENERIC; /* Can't happen */
677 *p_hmsdmo_dll = LoadLibrary( codecs_table[i_codec].psz_dll );
678 if( *p_hmsdmo_dll == NULL )
680 msg_Dbg( p_this, "failed loading '%s'",
681 codecs_table[i_codec].psz_dll );
685 GetClass = (GETCLASS)GetProcAddress( *p_hmsdmo_dll, "DllGetClassObject" );
688 msg_Dbg( p_this, "GetProcAddress failed to find DllGetClassObject()" );
689 FreeLibrary( *p_hmsdmo_dll );
693 i_err = GetClass( codecs_table[i_codec].p_guid, &IID_IClassFactory,
695 if( i_err || cFactory == NULL )
697 msg_Dbg( p_this, "no such class object" );
698 FreeLibrary( *p_hmsdmo_dll );
702 i_err = cFactory->vt->CreateInstance( cFactory, 0, &IID_IUnknown,
704 cFactory->vt->Release( (IUnknown*)cFactory );
705 if( i_err || !cObject )
707 msg_Dbg( p_this, "class factory failure" );
708 FreeLibrary( *p_hmsdmo_dll );
711 i_err = cObject->vt->QueryInterface( cObject, &IID_IMediaObject,
713 cObject->vt->Release( (IUnknown*)cObject );
714 if( i_err || !*pp_dmo )
716 msg_Dbg( p_this, "QueryInterface failure" );
717 FreeLibrary( *p_hmsdmo_dll );
724 /*****************************************************************************
725 * DecoderClose: close codec
726 *****************************************************************************/
727 void DecoderClose( vlc_object_t *p_this )
729 decoder_t *p_dec = (decoder_t*)p_this;
730 decoder_sys_t *p_sys = p_dec->p_sys;
734 if( p_sys->p_dmo ) p_sys->p_dmo->vt->Release( (IUnknown *)p_sys->p_dmo );
735 FreeLibrary( p_sys->hmsdmo_dll );
739 Restore_LDT_Keeper( p_sys->ldt_fs );
742 /* Uninitialize OLE/COM */
746 if( p_sys->p_buffer ) free( p_sys->p_buffer );
750 /****************************************************************************
751 * DecodeBlock: the whole thing
752 ****************************************************************************
753 * This function must be fed with ogg packets.
754 ****************************************************************************/
755 static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
757 decoder_sys_t *p_sys = p_dec->p_sys;
761 DMO_OUTPUT_DATA_BUFFER db;
768 if( DecOpen( VLC_OBJECT(p_dec) ) )
770 msg_Err( p_dec, "DecOpen failed" );
773 p_sys = p_dec->p_sys;
776 if( !pp_block ) return NULL;
780 /* Won't work with streams with B-frames, but do we have any ? */
781 if( p_block && p_block->i_pts <= 0 ) p_block->i_pts = p_block->i_dts;
783 /* Date management */
784 if( p_block && p_block->i_pts > 0 &&
785 p_block->i_pts != date_Get( &p_sys->end_date ) )
787 date_Set( &p_sys->end_date, p_block->i_pts );
790 #if 0 /* Breaks the video decoding */
791 if( !date_Get( &p_sys->end_date ) )
793 /* We've just started the stream, wait for the first PTS. */
794 if( p_block ) block_Release( p_block );
799 /* Feed input to the DMO */
800 if( p_block && p_block->i_buffer )
804 p_in = CMediaBufferCreate( p_block, p_block->i_buffer, VLC_TRUE );
806 i_result = p_sys->p_dmo->vt->ProcessInput( p_sys->p_dmo, 0,
807 (IMediaBuffer *)p_in, DMO_INPUT_DATA_BUFFERF_SYNCPOINT,
810 p_in->vt->Release( (IUnknown *)p_in );
812 if( i_result == S_FALSE )
814 /* No output generated */
816 msg_Dbg( p_dec, "ProcessInput(): no output generated" );
820 else if( i_result == (int)DMO_E_NOTACCEPTING )
822 /* Need to call ProcessOutput */
823 msg_Dbg( p_dec, "ProcessInput(): not accepting" );
825 else if( i_result != S_OK )
827 msg_Dbg( p_dec, "ProcessInput(): failed" );
832 //msg_Dbg( p_dec, "ProcessInput(): successful" );
836 else if( p_block && !p_block->i_buffer )
838 block_Release( p_block );
842 /* Get output from the DMO */
843 block_out.p_buffer = p_sys->p_buffer;
844 block_out.i_buffer = 0;
846 p_out = CMediaBufferCreate( &block_out, p_sys->i_min_output, VLC_FALSE );
847 memset( &db, 0, sizeof(db) );
848 db.pBuffer = (IMediaBuffer *)p_out;
850 i_result = p_sys->p_dmo->vt->ProcessOutput( p_sys->p_dmo,
851 DMO_PROCESS_OUTPUT_DISCARD_WHEN_NO_BUFFER,
854 if( i_result != S_OK )
856 if( i_result != S_FALSE )
857 msg_Dbg( p_dec, "ProcessOutput(): failed" );
860 msg_Dbg( p_dec, "ProcessOutput(): no output" );
863 p_out->vt->Release( (IUnknown *)p_out );
868 msg_Dbg( p_dec, "ProcessOutput(): success" );
871 if( !block_out.i_buffer )
874 msg_Dbg( p_dec, "ProcessOutput(): no output (i_buffer_out == 0)" );
876 p_out->vt->Release( (IUnknown *)p_out );
880 if( p_dec->fmt_out.i_cat == VIDEO_ES )
882 /* Get a new picture */
883 picture_t *p_pic = p_dec->pf_vout_buffer_new( p_dec );
884 if( !p_pic ) return NULL;
886 CopyPicture( p_dec, p_pic, block_out.p_buffer );
888 /* Date management */
889 p_pic->date = date_Get( &p_sys->end_date );
890 date_Increment( &p_sys->end_date, 1 );
892 p_out->vt->Release( (IUnknown *)p_out );
898 aout_buffer_t *p_aout_buffer;
899 int i_samples = block_out.i_buffer /
900 ( p_dec->fmt_out.audio.i_bitspersample *
901 p_dec->fmt_out.audio.i_channels / 8 );
903 p_aout_buffer = p_dec->pf_aout_buffer_new( p_dec, i_samples );
904 memcpy( p_aout_buffer->p_buffer,
905 block_out.p_buffer, block_out.i_buffer );
907 /* Date management */
908 p_aout_buffer->start_date = date_Get( &p_sys->end_date );
909 p_aout_buffer->end_date =
910 date_Increment( &p_sys->end_date, i_samples );
912 p_out->vt->Release( (IUnknown *)p_out );
914 return p_aout_buffer;
920 static void CopyPicture( decoder_t *p_dec, picture_t *p_pic, uint8_t *p_in )
922 int i_plane, i_line, i_width, i_dst_stride;
923 uint8_t *p_dst, *p_src = p_in;
925 p_dst = p_pic->p[1].p_pixels;
926 p_pic->p[1].p_pixels = p_pic->p[2].p_pixels;
927 p_pic->p[2].p_pixels = p_dst;
929 for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
931 p_dst = p_pic->p[i_plane].p_pixels;
932 i_width = p_pic->p[i_plane].i_visible_pitch;
933 i_dst_stride = p_pic->p[i_plane].i_pitch;
935 for( i_line = 0; i_line < p_pic->p[i_plane].i_visible_lines; i_line++ )
937 p_dec->p_libvlc->pf_memcpy( p_dst, p_src, i_width );
939 p_dst += i_dst_stride;
943 p_dst = p_pic->p[1].p_pixels;
944 p_pic->p[1].p_pixels = p_pic->p[2].p_pixels;
945 p_pic->p[2].p_pixels = p_dst;
948 /****************************************************************************
949 * Encoder descriptor declaration
950 ****************************************************************************/
953 HINSTANCE hmsdmo_dll;
965 /*****************************************************************************
966 * EncoderOpen: open dmo codec
967 *****************************************************************************/
968 static int EncoderOpen( vlc_object_t *p_this )
970 encoder_t *p_enc = (encoder_t*)p_this;
973 int i_ret = EncOpen( p_this );
974 if( i_ret != VLC_SUCCESS ) return i_ret;
977 /* We can't open it now, because of ldt_keeper or something
978 * Open/Encode/Close has to be done in the same thread */
981 /* Probe if we support it */
982 for( i = 0; encoders_table[i].i_fourcc != 0; i++ )
984 if( encoders_table[i].i_fourcc == p_enc->fmt_out.i_codec )
986 msg_Dbg( p_enc, "DMO codec for %4.4s may work with dll=%s",
987 (char*)&p_enc->fmt_out.i_codec,
988 encoders_table[i].psz_dll );
994 if( !encoders_table[i].i_fourcc ) return VLC_EGENERIC;
998 p_enc->pf_encode_video = (block_t *(*)(encoder_t *, picture_t *))
1000 p_enc->pf_encode_audio = (block_t *(*)(encoder_t *, aout_buffer_t *))
1006 /*****************************************************************************
1007 * EncoderSetVideoType: configures the input and output types of the dmo
1008 *****************************************************************************/
1009 static int EncoderSetVideoType( encoder_t *p_enc, IMediaObject *p_dmo )
1011 int i, i_selected, i_err;
1012 DMO_MEDIA_TYPE dmo_type;
1013 VIDEOINFOHEADER vih, *p_vih;
1014 BITMAPINFOHEADER *p_bih;
1017 p_enc->fmt_in.video.i_bits_per_pixel =
1018 p_enc->fmt_out.video.i_bits_per_pixel = 12;
1020 /* Enumerate input format (for debug output) */
1022 while( !p_dmo->vt->GetInputType( p_dmo, 0, i++, &dmo_type ) )
1024 p_vih = (VIDEOINFOHEADER *)dmo_type.pbFormat;
1026 msg_Dbg( p_enc, "available input chroma: %4.4s",
1027 (char *)&dmo_type.subtype.Data1 );
1028 if( !memcmp( &dmo_type.subtype, &MEDIASUBTYPE_RGB565, 16 ) )
1029 msg_Dbg( p_enc, "-> MEDIASUBTYPE_RGB565" );
1030 if( !memcmp( &dmo_type.subtype, &MEDIASUBTYPE_RGB24, 16 ) )
1031 msg_Dbg( p_enc, "-> MEDIASUBTYPE_RGB24" );
1033 DMOFreeMediaType( &dmo_type );
1036 /* Setup input format */
1037 memset( &dmo_type, 0, sizeof(dmo_type) );
1039 memset( &vih, 0, sizeof(VIDEOINFOHEADER) );
1041 p_bih = &vih.bmiHeader;
1042 p_bih->biCompression = VLC_FOURCC('I','4','2','0');
1043 p_bih->biWidth = p_enc->fmt_in.video.i_width;
1044 p_bih->biHeight = p_enc->fmt_in.video.i_height;
1045 p_bih->biBitCount = p_enc->fmt_in.video.i_bits_per_pixel;
1046 p_bih->biSizeImage = p_enc->fmt_in.video.i_width *
1047 p_enc->fmt_in.video.i_height * p_enc->fmt_in.video.i_bits_per_pixel /8;
1048 p_bih->biPlanes = 3;
1049 p_bih->biSize = sizeof(BITMAPINFOHEADER);
1051 vih.rcSource.left = vih.rcSource.top = 0;
1052 vih.rcSource.right = p_enc->fmt_in.video.i_width;
1053 vih.rcSource.bottom = p_enc->fmt_in.video.i_height;
1054 vih.rcTarget = vih.rcSource;
1056 vih.AvgTimePerFrame = I64C(10000000) / 25; //FIXME
1058 dmo_type.majortype = MEDIATYPE_Video;
1059 //dmo_type.subtype = MEDIASUBTYPE_RGB24;
1060 dmo_type.subtype = MEDIASUBTYPE_I420;
1061 //dmo_type.subtype.Data1 = p_bih->biCompression;
1062 dmo_type.formattype = FORMAT_VideoInfo;
1063 dmo_type.bFixedSizeSamples = TRUE;
1064 dmo_type.bTemporalCompression = FALSE;
1065 dmo_type.lSampleSize = p_bih->biSizeImage;
1066 dmo_type.cbFormat = sizeof(VIDEOINFOHEADER);
1067 dmo_type.pbFormat = (char *)&vih;
1069 if( ( i_err = p_dmo->vt->SetInputType( p_dmo, 0, &dmo_type, 0 ) ) )
1071 msg_Err( p_enc, "can't set DMO input type: %x", i_err );
1072 return VLC_EGENERIC;
1075 msg_Dbg( p_enc, "successfully set input type" );
1077 /* Setup output format */
1078 memset( &dmo_type, 0, sizeof(dmo_type) );
1081 /* Enumerate output types */
1082 i = 0, i_selected = -1;
1083 while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &dmo_type ) )
1085 p_vih = (VIDEOINFOHEADER *)dmo_type.pbFormat;
1087 msg_Dbg( p_enc, "available output codec: %4.4s",
1088 (char *)&dmo_type.subtype.Data1 );
1090 if( p_vih->bmiHeader.biCompression == p_enc->fmt_out.i_codec )
1093 DMOFreeMediaType( &dmo_type );
1096 if( i_selected < 0 )
1098 msg_Err( p_enc, "couldn't find codec: %4.4s",
1099 (char *)&p_enc->fmt_out.i_codec );
1100 return VLC_EGENERIC;
1103 p_dmo->vt->GetOutputType( p_dmo, 0, i_selected, &dmo_type );
1104 ((VIDEOINFOHEADER *)dmo_type.pbFormat)->dwBitRate =
1105 p_enc->fmt_out.i_bitrate;
1107 /* Get the private data for the codec */
1110 IWMCodecPrivateData *p_privdata;
1111 VIDEOINFOHEADER *p_vih;
1112 uint8_t *p_data = 0;
1113 uint32_t i_data = 0, i_vih;
1115 i_err = p_dmo->vt->QueryInterface( (IUnknown *)p_dmo,
1116 &IID_IWMCodecPrivateData,
1117 (void **)&p_privdata );
1120 i_err = p_privdata->vt->SetPartialOutputType( p_privdata, &dmo_type );
1123 msg_Err( p_enc, "SetPartialOutputType() failed" );
1124 p_privdata->vt->Release( (IUnknown *)p_privdata );
1128 i_err = p_privdata->vt->GetPrivateData( p_privdata, NULL, &i_data );
1131 msg_Err( p_enc, "GetPrivateData() failed" );
1132 p_privdata->vt->Release( (IUnknown *)p_privdata );
1136 p_data = malloc( i_data );
1137 i_err = p_privdata->vt->GetPrivateData( p_privdata, p_data, &i_data );
1139 /* Update the media type with the private data */
1140 i_vih = dmo_type.cbFormat + i_data;
1141 p_vih = CoTaskMemAlloc( i_vih );
1142 memcpy( p_vih, dmo_type.pbFormat, dmo_type.cbFormat );
1143 memcpy( ((uint8_t *)p_vih) + dmo_type.cbFormat, p_data, i_data );
1144 DMOFreeMediaType( &dmo_type );
1145 dmo_type.pbFormat = (char*)p_vih;
1146 dmo_type.cbFormat = i_vih;
1148 msg_Dbg( p_enc, "found extra data: %i", i_data );
1149 p_enc->fmt_out.i_extra = i_data;
1150 p_enc->fmt_out.p_extra = p_data;
1154 i_err = p_dmo->vt->SetOutputType( p_dmo, 0, &dmo_type, 0 );
1156 p_vih = (VIDEOINFOHEADER *)dmo_type.pbFormat;
1157 p_enc->fmt_in.i_codec = VLC_FOURCC('I','4','2','0');
1159 DMOFreeMediaType( &dmo_type );
1162 msg_Err( p_enc, "can't set DMO output type: %i", i_err );
1163 return VLC_EGENERIC;
1166 msg_Dbg( p_enc, "successfully set output type" );
1170 /*****************************************************************************
1171 * EncoderSetAudioType: configures the input and output types of the dmo
1172 *****************************************************************************/
1173 static int EncoderSetAudioType( encoder_t *p_enc, IMediaObject *p_dmo )
1175 int i, i_selected, i_err;
1176 unsigned int i_last_byterate;
1178 DMO_MEDIA_TYPE dmo_type;
1181 /* Setup the format structure */
1182 fourcc_to_wf_tag( p_enc->fmt_out.i_codec, &i_tag );
1183 if( i_tag == 0 ) return VLC_EGENERIC;
1185 p_enc->fmt_in.i_codec = AOUT_FMT_S16_NE;
1186 p_enc->fmt_in.audio.i_bitspersample = 16;
1188 /* We first need to choose an output type from the predefined
1189 * list of choices (we cycle through the list to select the best match) */
1190 i = 0; i_selected = -1; i_last_byterate = 0;
1191 while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &dmo_type ) )
1193 p_wf = (WAVEFORMATEX *)dmo_type.pbFormat;
1194 msg_Dbg( p_enc, "available format :%i, sample rate: %i, channels: %i, "
1195 "bits per sample: %i, bitrate: %i, blockalign: %i",
1196 (int) p_wf->wFormatTag, (int)p_wf->nSamplesPerSec,
1197 (int)p_wf->nChannels, (int)p_wf->wBitsPerSample,
1198 (int)p_wf->nAvgBytesPerSec * 8, (int)p_wf->nBlockAlign );
1200 if( p_wf->wFormatTag == i_tag &&
1201 p_wf->nSamplesPerSec == p_enc->fmt_in.audio.i_rate &&
1202 p_wf->nChannels == p_enc->fmt_in.audio.i_channels &&
1203 p_wf->wBitsPerSample == p_enc->fmt_in.audio.i_bitspersample )
1205 if( (int)p_wf->nAvgBytesPerSec <
1206 p_enc->fmt_out.i_bitrate * 110 / 800 /* + 10% */ &&
1207 p_wf->nAvgBytesPerSec > i_last_byterate )
1210 i_last_byterate = p_wf->nAvgBytesPerSec;
1211 msg_Dbg( p_enc, "selected entry %i (bitrate: %i)",
1212 i_selected, p_wf->nAvgBytesPerSec * 8 );
1216 DMOFreeMediaType( &dmo_type );
1219 if( i_selected < 0 )
1221 msg_Err( p_enc, "couldn't find a matching output" );
1222 return VLC_EGENERIC;
1225 p_dmo->vt->GetOutputType( p_dmo, 0, i_selected, &dmo_type );
1226 p_wf = (WAVEFORMATEX *)dmo_type.pbFormat;
1228 msg_Dbg( p_enc, "selected format: %i, sample rate:%i, "
1229 "channels: %i, bits per sample: %i, bitrate: %i, blockalign: %i",
1230 (int)p_wf->wFormatTag, (int)p_wf->nSamplesPerSec,
1231 (int)p_wf->nChannels, (int)p_wf->wBitsPerSample,
1232 (int)p_wf->nAvgBytesPerSec * 8, (int)p_wf->nBlockAlign );
1234 p_enc->fmt_out.audio.i_rate = p_wf->nSamplesPerSec;
1235 p_enc->fmt_out.audio.i_channels = p_wf->nChannels;
1236 p_enc->fmt_out.audio.i_bitspersample = p_wf->wBitsPerSample;
1237 p_enc->fmt_out.audio.i_blockalign = p_wf->nBlockAlign;
1238 p_enc->fmt_out.i_bitrate = p_wf->nAvgBytesPerSec * 8;
1242 msg_Dbg( p_enc, "found cbSize: %i", p_wf->cbSize );
1243 p_enc->fmt_out.i_extra = p_wf->cbSize;
1244 p_enc->fmt_out.p_extra = malloc( p_enc->fmt_out.i_extra );
1245 memcpy( p_enc->fmt_out.p_extra, &p_wf[1], p_enc->fmt_out.i_extra );
1248 i_err = p_dmo->vt->SetOutputType( p_dmo, 0, &dmo_type, 0 );
1249 DMOFreeMediaType( &dmo_type );
1253 msg_Err( p_enc, "can't set DMO output type: %i", i_err );
1254 return VLC_EGENERIC;
1257 msg_Dbg( p_enc, "successfully set output type" );
1259 /* Setup the input type */
1260 i = 0; i_selected = -1;
1261 while( !p_dmo->vt->GetInputType( p_dmo, 0, i++, &dmo_type ) )
1263 p_wf = (WAVEFORMATEX *)dmo_type.pbFormat;
1264 msg_Dbg( p_enc, "available format :%i, sample rate: %i, channels: %i, "
1265 "bits per sample: %i, bitrate: %i, blockalign: %i",
1266 (int) p_wf->wFormatTag, (int)p_wf->nSamplesPerSec,
1267 (int)p_wf->nChannels, (int)p_wf->wBitsPerSample,
1268 (int)p_wf->nAvgBytesPerSec * 8, (int)p_wf->nBlockAlign );
1270 if( p_wf->wFormatTag == WAVE_FORMAT_PCM &&
1271 p_wf->nSamplesPerSec == p_enc->fmt_in.audio.i_rate &&
1272 p_wf->nChannels == p_enc->fmt_in.audio.i_channels &&
1273 p_wf->wBitsPerSample == p_enc->fmt_in.audio.i_bitspersample )
1278 DMOFreeMediaType( &dmo_type );
1281 if( i_selected < 0 )
1283 msg_Err( p_enc, "couldn't find a matching input" );
1284 return VLC_EGENERIC;
1287 p_dmo->vt->GetInputType( p_dmo, 0, i_selected, &dmo_type );
1288 i_err = p_dmo->vt->SetInputType( p_dmo, 0, &dmo_type, 0 );
1289 DMOFreeMediaType( &dmo_type );
1292 msg_Err( p_enc, "can't set DMO input type: %x", i_err );
1293 return VLC_EGENERIC;
1295 msg_Dbg( p_enc, "successfully set input type" );
1300 /*****************************************************************************
1301 * EncOpen: open dmo codec
1302 *****************************************************************************/
1303 static int EncOpen( vlc_object_t *p_this )
1305 encoder_t *p_enc = (encoder_t*)p_this;
1306 encoder_sys_t *p_sys = NULL;
1307 IMediaObject *p_dmo = NULL;
1308 HINSTANCE hmsdmo_dll = NULL;
1311 ldt_fs_t *ldt_fs = Setup_LDT_Keeper();
1313 /* Initialize OLE/COM */
1317 if( LoadDMO( p_this, &hmsdmo_dll, &p_dmo, &p_enc->fmt_out, VLC_TRUE )
1325 if( p_enc->fmt_in.i_cat == VIDEO_ES )
1327 if( EncoderSetVideoType( p_enc, p_dmo ) != VLC_SUCCESS ) goto error;
1331 if( EncoderSetAudioType( p_enc, p_dmo ) != VLC_SUCCESS ) goto error;
1334 /* Allocate the memory needed to store the decoder's structure */
1335 if( ( p_enc->p_sys = p_sys =
1336 (encoder_sys_t *)malloc(sizeof(encoder_sys_t)) ) == NULL )
1338 msg_Err( p_enc, "out of memory" );
1342 p_sys->hmsdmo_dll = hmsdmo_dll;
1343 p_sys->p_dmo = p_dmo;
1345 p_sys->ldt_fs = ldt_fs;
1348 /* Find out some properties of the inputput */
1350 uint32_t i_size, i_align, dum;
1352 if( p_dmo->vt->GetInputSizeInfo( p_dmo, 0, &i_size, &i_align, &dum ) )
1353 msg_Err( p_enc, "GetInputSizeInfo() failed" );
1355 msg_Dbg( p_enc, "GetInputSizeInfo(): bytes %i, align %i, %i",
1356 i_size, i_align, dum );
1359 /* Find out some properties of the output */
1361 uint32_t i_size, i_align;
1363 p_sys->i_min_output = 0;
1364 if( p_dmo->vt->GetOutputSizeInfo( p_dmo, 0, &i_size, &i_align ) )
1366 msg_Err( p_enc, "GetOutputSizeInfo() failed" );
1371 msg_Dbg( p_enc, "GetOutputSizeInfo(): bytes %i, align %i",
1373 p_sys->i_min_output = i_size;
1377 /* Set output properties */
1378 p_enc->fmt_out.i_cat = p_enc->fmt_out.i_cat;
1379 if( p_enc->fmt_out.i_cat == AUDIO_ES )
1380 date_Init( &p_sys->end_date, p_enc->fmt_out.audio.i_rate, 1 );
1382 date_Init( &p_sys->end_date, 25 /* FIXME */, 1 );
1388 if( p_dmo ) p_dmo->vt->Release( (IUnknown *)p_dmo );
1389 if( hmsdmo_dll ) FreeLibrary( hmsdmo_dll );
1392 Restore_LDT_Keeper( ldt_fs );
1394 /* Uninitialize OLE/COM */
1398 if( p_sys ) free( p_sys );
1400 return VLC_EGENERIC;
1403 /****************************************************************************
1404 * Encode: the whole thing
1405 ****************************************************************************/
1406 static block_t *EncodeBlock( encoder_t *p_enc, void *p_data )
1408 encoder_sys_t *p_sys = p_enc->p_sys;
1410 block_t *p_chain = NULL;
1411 block_t *p_block_in;
1418 if( EncOpen( VLC_OBJECT(p_enc) ) )
1420 msg_Err( p_enc, "EncOpen failed" );
1423 p_sys = p_enc->p_sys;
1426 if( !p_data ) return NULL;
1428 if( p_enc->fmt_out.i_cat == VIDEO_ES )
1430 /* Get picture data */
1431 int i_plane, i_line, i_width, i_src_stride;
1432 picture_t *p_pic = (picture_t *)p_data;
1435 int i_buffer = p_enc->fmt_in.video.i_width *
1436 p_enc->fmt_in.video.i_height *
1437 p_enc->fmt_in.video.i_bits_per_pixel / 8;
1439 p_block_in = block_New( p_enc, i_buffer );
1441 /* Copy picture stride by stride */
1442 p_dst = p_block_in->p_buffer;
1443 for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
1445 uint8_t *p_src = p_pic->p[i_plane].p_pixels;
1446 i_width = p_pic->p[i_plane].i_visible_pitch;
1447 i_src_stride = p_pic->p[i_plane].i_pitch;
1449 for( i_line = 0; i_line < p_pic->p[i_plane].i_visible_lines;
1452 p_enc->p_libvlc->pf_memcpy( p_dst, p_src, i_width );
1454 p_src += i_src_stride;
1458 i_pts = p_pic->date;
1462 aout_buffer_t *p_aout_buffer = (aout_buffer_t *)p_data;
1463 p_block_in = block_New( p_enc, p_aout_buffer->i_nb_bytes );
1464 memcpy( p_block_in->p_buffer, p_aout_buffer->p_buffer,
1465 p_block_in->i_buffer );
1467 i_pts = p_aout_buffer->start_date;
1470 /* Feed input to the DMO */
1471 p_in = CMediaBufferCreate( p_block_in, p_block_in->i_buffer, VLC_TRUE );
1472 i_result = p_sys->p_dmo->vt->ProcessInput( p_sys->p_dmo, 0,
1473 (IMediaBuffer *)p_in, DMO_INPUT_DATA_BUFFERF_TIME, i_pts * 10, 0 );
1475 p_in->vt->Release( (IUnknown *)p_in );
1476 if( i_result == S_FALSE )
1478 /* No output generated */
1480 msg_Dbg( p_enc, "ProcessInput(): no output generated "I64Fd, i_pts );
1484 else if( i_result == (int)DMO_E_NOTACCEPTING )
1486 /* Need to call ProcessOutput */
1487 msg_Dbg( p_enc, "ProcessInput(): not accepting" );
1489 else if( i_result != S_OK )
1491 msg_Dbg( p_enc, "ProcessInput(): failed: %x", i_result );
1496 msg_Dbg( p_enc, "ProcessInput(): success" );
1499 /* Get output from the DMO */
1502 DMO_OUTPUT_DATA_BUFFER db;
1503 block_t *p_block_out;
1504 CMediaBuffer *p_out;
1506 p_block_out = block_New( p_enc, p_sys->i_min_output );
1507 p_block_out->i_buffer = 0;
1508 p_out = CMediaBufferCreate(p_block_out, p_sys->i_min_output, VLC_FALSE);
1509 memset( &db, 0, sizeof(db) );
1510 db.pBuffer = (IMediaBuffer *)p_out;
1512 i_result = p_sys->p_dmo->vt->ProcessOutput( p_sys->p_dmo,
1513 0, 1, &db, &i_status );
1515 if( i_result != S_OK )
1517 if( i_result != S_FALSE )
1518 msg_Dbg( p_enc, "ProcessOutput(): failed: %x", i_result );
1521 msg_Dbg( p_enc, "ProcessOutput(): no output" );
1524 p_out->vt->Release( (IUnknown *)p_out );
1525 block_Release( p_block_out );
1529 if( !p_block_out->i_buffer )
1532 msg_Dbg( p_enc, "ProcessOutput(): no output (i_buffer_out == 0)" );
1534 p_out->vt->Release( (IUnknown *)p_out );
1535 block_Release( p_block_out );
1539 if( db.dwStatus & DMO_OUTPUT_DATA_BUFFERF_TIME )
1542 msg_Dbg( p_enc, "ProcessOutput(): pts: "I64Fd", "I64Fd,
1543 i_pts, db.rtTimestamp / 10 );
1545 i_pts = db.rtTimestamp / 10;
1548 if( db.dwStatus & DMO_OUTPUT_DATA_BUFFERF_TIMELENGTH )
1550 p_block_out->i_length = db.rtTimelength / 10;
1552 msg_Dbg( p_enc, "ProcessOutput(): length: "I64Fd,
1553 p_block_out->i_length );
1557 if( p_enc->fmt_out.i_cat == VIDEO_ES )
1559 if( db.dwStatus & DMO_OUTPUT_DATA_BUFFERF_SYNCPOINT )
1560 p_block_out->i_flags |= BLOCK_FLAG_TYPE_I;
1562 p_block_out->i_flags |= BLOCK_FLAG_TYPE_P;
1565 p_block_out->i_dts = p_block_out->i_pts = i_pts;
1566 block_ChainAppend( &p_chain, p_block_out );
1570 /*****************************************************************************
1571 * EncoderClose: close codec
1572 *****************************************************************************/
1573 void EncoderClose( vlc_object_t *p_this )
1575 encoder_t *p_enc = (encoder_t*)p_this;
1576 encoder_sys_t *p_sys = p_enc->p_sys;
1578 if( !p_sys ) return;
1580 if( p_sys->p_dmo ) p_sys->p_dmo->vt->Release( (IUnknown *)p_sys->p_dmo );
1581 FreeLibrary( p_sys->hmsdmo_dll );
1585 Restore_LDT_Keeper( p_sys->ldt_fs );
1588 /* Uninitialize OLE/COM */