/***************************************************************************** * dmo.c : DirectMedia Object decoder module for vlc ***************************************************************************** * Copyright (C) 2002, 2003 VLC authors and VideoLAN * $Id$ * * Author: Gildas Bazin * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #ifdef _WIN32 # include # include #endif #include #include "dmo.h" #ifndef NDEBUG # define DMO_DEBUG 1 #endif #ifdef UNICODE # define PRIs "%ls" #else # define PRIs "%s" #endif typedef long (STDCALL *GETCLASS) ( const GUID*, const GUID*, void** ); static const int pi_channels_maps[7] = { 0, AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT, AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE }; /***************************************************************************** * Module descriptor *****************************************************************************/ static int DecoderOpen ( vlc_object_t * ); static void DecoderClose ( vlc_object_t * ); static int DecodeBlock ( decoder_t *, block_t * ); static void *DecoderThread( void * ); static int EncoderOpen ( vlc_object_t * ); static void EncoderClose ( vlc_object_t * ); static block_t *EncodeBlock( encoder_t *, void * ); static int EncOpen ( vlc_object_t * ); static int LoadDMO( vlc_object_t *, HINSTANCE *, IMediaObject **, es_format_t *, bool ); static void CopyPicture( picture_t *, uint8_t * ); vlc_module_begin () set_description( N_("DirectMedia Object decoder") ) add_shortcut( "dmo" ) set_capability( "video decoder", 1 ) set_callbacks( DecoderOpen, DecoderClose ) set_category( CAT_INPUT ) set_subcategory( SUBCAT_INPUT_VCODEC ) add_submodule() add_shortcut("dmo") set_capability( "audio decoder", 1 ) set_callbacks(DecoderOpen, DecoderClose) # define ENC_CFG_PREFIX "sout-dmo-" add_submodule () set_description( N_("DirectMedia Object encoder") ) add_shortcut( "dmo" ) set_capability( "encoder", 10 ) set_callbacks( EncoderOpen, EncoderClose ) vlc_module_end () /***************************************************************************** * Local prototypes *****************************************************************************/ /**************************************************************************** * Decoder descriptor declaration ****************************************************************************/ struct decoder_sys_t { HINSTANCE hmsdmo_dll; IMediaObject *p_dmo; int i_min_output; uint8_t *p_buffer; date_t end_date; vlc_thread_t thread; vlc_mutex_t lock; vlc_cond_t wait_input, wait_output; bool b_ready, b_works; block_t *p_input; }; const GUID IID_IWMCodecPrivateData = {0x73f0be8e, 0x57f7, 0x4f01, {0xaa, 0x66, 0x9f, 0x57, 0x34, 0xc, 0xfe, 0xe}}; const GUID IID_IMediaObject = {0xd8ad0f58, 0x5494, 0x4102, {0x97, 0xc5, 0xec, 0x79, 0x8e, 0x59, 0xbc, 0xf4}}; const GUID IID_IMediaBuffer = {0x59eff8b9, 0x938c, 0x4a26, {0x82, 0xf2, 0x95, 0xcb, 0x84, 0xcd, 0xc8, 0x37}}; const GUID MEDIATYPE_Video = {0x73646976, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; const GUID MEDIATYPE_Audio = {0x73647561, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; const GUID MEDIASUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; const GUID MEDIASUBTYPE_IEEE_FLOAT = {0x00000003, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; const GUID FORMAT_VideoInfo = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}}; const GUID FORMAT_WaveFormatEx = {0x05589f81, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}}; const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}; const GUID MEDIASUBTYPE_I420 = {0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; const GUID MEDIASUBTYPE_YV12 = {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; const GUID MEDIASUBTYPE_RGB24 = {0xe436eb7d, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}}; const GUID MEDIASUBTYPE_RGB565 = {0xe436eb7b, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}}; static const GUID guid_wvc1 = { 0xc9bfbccf, 0xe60e, 0x4588, { 0xa3, 0xdf, 0x5a, 0x03, 0xb1, 0xfd, 0x95, 0x85 } }; static const GUID guid_wmv9 = { 0x724bb6a4, 0xe526, 0x450f, { 0xaf, 0xfa, 0xab, 0x9b, 0x45, 0x12, 0x91, 0x11 } }; static const GUID guid_wmv = { 0x82d353df, 0x90bd, 0x4382, { 0x8b, 0xc2, 0x3f, 0x61, 0x92, 0xb7, 0x6e, 0x34 } }; static const GUID guid_wms = { 0x7bafb3b1, 0xd8f4, 0x4279, { 0x92, 0x53, 0x27, 0xda, 0x42, 0x31, 0x08, 0xde } }; static const GUID guid_wmva ={ 0x03be3ac4, 0x84b7, 0x4e0e, { 0xa7, 0x8d, 0xd3, 0x52, 0x4e, 0x60, 0x39, 0x5a } }; static const GUID guid_wma = { 0x874131cb, 0x4ecc, 0x443b, { 0x89, 0x48, 0x74, 0x6b, 0x89, 0x59, 0x5d, 0x20 } }; static const GUID guid_wma9 = { 0x27ca0808, 0x01f5, 0x4e7a, { 0x8b, 0x05, 0x87, 0xf8, 0x07, 0xa2, 0x33, 0xd1 } }; static const GUID guid_wmv_enc = { 0x3181343b, 0x94a2, 0x4feb, { 0xad, 0xef, 0x30, 0xa1, 0xdd, 0xe6, 0x17, 0xb4 } }; static const GUID guid_wmv_enc2 = { 0x96b57cdd, 0x8966, 0x410c,{ 0xbb, 0x1f, 0xc9, 0x7e, 0xea, 0x76, 0x5c, 0x04 } }; static const GUID guid_wma_enc = { 0x70f598e9, 0xf4ab, 0x495a, { 0x99, 0xe2, 0xa7, 0xc4, 0xd3, 0xd8, 0x9a, 0xbf } }; static const GUID guid_wmv8_enc = { 0x7e320092, 0x596a, 0x41b2,{ 0xbb, 0xeb, 0x17, 0x5d, 0x10, 0x50, 0x4e, 0xb6 } }; static const GUID guid_wmv9_enc = { 0xd23b90d0, 0x144f, 0x46bd,{ 0x84, 0x1d, 0x59, 0xe4, 0xeb, 0x19, 0xdc, 0x59 } }; #ifndef BI_RGB # define BI_RGB 0x0 #endif typedef struct { vlc_fourcc_t i_fourcc; const TCHAR *psz_dll; const GUID *p_guid; } codec_dll; static const codec_dll decoders_table[] = { /* WVC1 */ { VLC_CODEC_VC1, TEXT("wvc1dmod.dll"), &guid_wvc1 }, /* WMV3 */ { VLC_CODEC_WMV3, TEXT("wmv9dmod.dll"), &guid_wmv9 }, /* WMV2 */ { VLC_CODEC_WMV2, TEXT("wmvdmod.dll"), &guid_wmv }, /* WMV1 */ { VLC_CODEC_WMV1, TEXT("wmvdmod.dll"), &guid_wmv }, /* Screen codecs */ { VLC_CODEC_MSS2, TEXT("WMVSDECD.DLL"), &guid_wms }, { VLC_CODEC_MSS2, TEXT("wmsdmod.dll"), &guid_wms }, { VLC_CODEC_MSS1, TEXT("WMVSDECD.DLL"), &guid_wms }, { VLC_CODEC_MSS1, TEXT("wmsdmod.dll"), &guid_wms }, /* Windows Media Video Adv */ { VLC_CODEC_WMVA, TEXT("wmvadvd.dll"), &guid_wmva }, /* WMA 3 */ { VLC_CODEC_WMAP, TEXT("wma9dmod.dll"), &guid_wma9 }, { VLC_CODEC_WMAL, TEXT("wma9dmod.dll"), &guid_wma9 }, /* WMA 2 */ { VLC_CODEC_WMA2, TEXT("wma9dmod.dll"), &guid_wma9 }, /* WMA Speech */ { VLC_CODEC_WMAS, TEXT("wmspdmod.dll"), &guid_wma }, /* */ { 0, NULL, NULL } }; static const codec_dll encoders_table[] = { /* WMV3 */ { VLC_CODEC_WMV3, TEXT("wmvdmoe2.dll"), &guid_wmv_enc2 }, /* WMV2 */ { VLC_CODEC_WMV2, TEXT("wmvdmoe2.dll"), &guid_wmv_enc2 }, /* WMV1 */ { VLC_CODEC_WMV1, TEXT("wmvdmoe2.dll"), &guid_wmv_enc2 }, /* WMA 3 */ { VLC_CODEC_WMAP, TEXT("wmadmoe.dll"), &guid_wma_enc }, /* WMA 2 */ { VLC_CODEC_WMA2, TEXT("wmadmoe.dll"), &guid_wma_enc }, /* WMV3 v11 */ { VLC_CODEC_WMV3, TEXT("wmvencod.dll"), &guid_wmv9_enc }, /* WMV2 v11 */ { VLC_CODEC_WMV2, TEXT("wmvxencd.dll"), &guid_wmv8_enc }, /* WMV1 v11 */ { VLC_CODEC_WMV1, TEXT("wmvxencd.dll"), &guid_wmv8_enc }, /* */ { 0, NULL, NULL } }; static void WINAPI DMOFreeMediaType( DMO_MEDIA_TYPE *mt ) { if( mt->cbFormat != 0 ) CoTaskMemFree( (PVOID)mt->pbFormat ); if( mt->pUnk != NULL ) mt->pUnk->vt->Release( (IUnknown *)mt->pUnk ); mt->cbFormat = 0; mt->pbFormat = NULL; mt->pUnk = NULL; } /***************************************************************************** * DecoderOpen: open dmo codec *****************************************************************************/ static int DecoderOpen( vlc_object_t *p_this ) { decoder_t *p_dec = (decoder_t*)p_this; decoder_sys_t *p_sys; /* We can't open it now, because of ldt_keeper or something * Open/Decode/Close has to be done in the same thread */ /* Probe if we support it */ for( unsigned i = 0; decoders_table[i].i_fourcc != 0; i++ ) { if( decoders_table[i].i_fourcc == p_dec->fmt_in.i_codec ) { msg_Dbg( p_dec, "DMO codec for %4.4s may work with dll="PRIs, (char*)&p_dec->fmt_in.i_codec, decoders_table[i].psz_dll ); goto found; } } return VLC_EGENERIC; found: p_sys = p_dec->p_sys = malloc(sizeof(*p_sys)); if( !p_sys ) return VLC_ENOMEM; /* Set callbacks */ p_dec->pf_decode = DecodeBlock; vlc_mutex_init( &p_sys->lock ); vlc_cond_init( &p_sys->wait_input ); vlc_cond_init( &p_sys->wait_output ); p_sys->b_works = p_sys->b_ready = false; p_sys->p_input = NULL; if( vlc_clone( &p_sys->thread, DecoderThread, p_dec, VLC_THREAD_PRIORITY_INPUT ) ) goto error; vlc_mutex_lock( &p_sys->lock ); while( !p_sys->b_ready ) vlc_cond_wait( &p_sys->wait_output, &p_sys->lock ); vlc_mutex_unlock( &p_sys->lock ); if( p_sys->b_works ) return VLC_SUCCESS; vlc_join( p_sys->thread, NULL ); error: vlc_cond_destroy( &p_sys->wait_input ); vlc_cond_destroy( &p_sys->wait_output ); vlc_mutex_destroy( &p_sys->lock ); free( p_sys ); return VLC_ENOMEM; } /***************************************************************************** * DecoderClose: close codec *****************************************************************************/ static void DecoderClose( vlc_object_t *p_this ) { decoder_t *p_dec = (decoder_t*)p_this; decoder_sys_t *p_sys = p_dec->p_sys; vlc_mutex_lock( &p_sys->lock ); p_sys->b_ready = false; vlc_cond_signal( &p_sys->wait_input ); vlc_mutex_unlock( &p_sys->lock ); vlc_join( p_sys->thread, NULL ); vlc_cond_destroy( &p_sys->wait_input ); vlc_cond_destroy( &p_sys->wait_output ); vlc_mutex_destroy( &p_sys->lock ); free( p_sys ); } static int DecodeBlock( decoder_t *p_dec, block_t *p_block ) { decoder_sys_t *p_sys = p_dec->p_sys; if( p_block == NULL ) /* No Drain */ return VLCDEC_SUCCESS; vlc_mutex_lock( &p_sys->lock ); while( p_sys->p_input ) vlc_cond_wait( &p_sys->wait_output, &p_sys->lock ); p_sys->p_input = p_block; vlc_cond_signal( &p_sys->wait_input ); vlc_mutex_unlock( &p_sys->lock ); return VLCDEC_SUCCESS; } /***************************************************************************** * DecOpen: open dmo codec *****************************************************************************/ static int DecOpen( decoder_t *p_dec ) { decoder_sys_t *p_sys = p_dec->p_sys; DMO_MEDIA_TYPE dmo_input_type, dmo_output_type; IMediaObject *p_dmo = NULL; HINSTANCE hmsdmo_dll = NULL; VIDEOINFOHEADER *p_vih = NULL; WAVEFORMATEX *p_wf = NULL; /* Initialize OLE/COM */ if( FAILED(CoInitializeEx( NULL, COINIT_MULTITHREADED )) ) vlc_assert_unreachable(); if( LoadDMO( VLC_OBJECT(p_dec), &hmsdmo_dll, &p_dmo, &p_dec->fmt_in, false ) != VLC_SUCCESS ) { hmsdmo_dll = 0; p_dmo = 0; goto error; } /* Setup input format */ memset( &dmo_input_type, 0, sizeof(dmo_input_type) ); dmo_input_type.pUnk = 0; if( p_dec->fmt_in.i_cat == AUDIO_ES ) { uint16_t i_tag; int i_size = sizeof(WAVEFORMATEX) + p_dec->fmt_in.i_extra; p_wf = malloc( i_size ); memset( p_wf, 0, sizeof(WAVEFORMATEX) ); if( p_dec->fmt_in.i_extra ) memcpy( &p_wf[1], p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra ); dmo_input_type.majortype = MEDIATYPE_Audio; dmo_input_type.subtype = dmo_input_type.majortype; dmo_input_type.subtype.Data1 = p_dec->fmt_in.i_original_fourcc ? p_dec->fmt_in.i_original_fourcc : p_dec->fmt_in.i_codec; fourcc_to_wf_tag( p_dec->fmt_in.i_codec, &i_tag ); if( i_tag ) dmo_input_type.subtype.Data1 = i_tag; p_wf->wFormatTag = dmo_input_type.subtype.Data1; p_wf->nSamplesPerSec = p_dec->fmt_in.audio.i_rate; p_wf->nChannels = p_dec->fmt_in.audio.i_channels; p_wf->wBitsPerSample = p_dec->fmt_in.audio.i_bitspersample; p_wf->nBlockAlign = p_dec->fmt_in.audio.i_blockalign; p_wf->nAvgBytesPerSec = p_dec->fmt_in.i_bitrate / 8; p_wf->cbSize = p_dec->fmt_in.i_extra; dmo_input_type.formattype = FORMAT_WaveFormatEx; dmo_input_type.cbFormat = i_size; dmo_input_type.pbFormat = (char *)p_wf; dmo_input_type.bFixedSizeSamples = 1; dmo_input_type.bTemporalCompression = 0; dmo_input_type.lSampleSize = p_wf->nBlockAlign; } else { VLC_BITMAPINFOHEADER *p_bih; int i_size = sizeof(VIDEOINFOHEADER) + p_dec->fmt_in.i_extra; p_vih = malloc( i_size ); memset( p_vih, 0, sizeof(VIDEOINFOHEADER) ); if( p_dec->fmt_in.i_extra ) memcpy( &p_vih[1], p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra ); p_bih = &p_vih->bmiHeader; p_bih->biCompression = p_dec->fmt_in.i_original_fourcc ? p_dec->fmt_in.i_original_fourcc : p_dec->fmt_in.i_codec; p_bih->biWidth = p_dec->fmt_in.video.i_width; p_bih->biHeight = p_dec->fmt_in.video.i_height; p_bih->biBitCount = p_dec->fmt_in.video.i_bits_per_pixel; p_bih->biPlanes = 1; p_bih->biSize = i_size - sizeof(VIDEOINFOHEADER) + sizeof(VLC_BITMAPINFOHEADER); p_vih->rcSource.left = p_vih->rcSource.top = 0; p_vih->rcSource.right = p_dec->fmt_in.video.i_width; p_vih->rcSource.bottom = p_dec->fmt_in.video.i_height; p_vih->rcTarget = p_vih->rcSource; dmo_input_type.majortype = MEDIATYPE_Video; dmo_input_type.subtype = dmo_input_type.majortype; dmo_input_type.subtype.Data1 = p_dec->fmt_in.i_original_fourcc ? p_dec->fmt_in.i_original_fourcc: p_dec->fmt_in.i_codec; dmo_input_type.formattype = FORMAT_VideoInfo; dmo_input_type.bFixedSizeSamples = 0; dmo_input_type.bTemporalCompression = 1; dmo_input_type.cbFormat = i_size; dmo_input_type.pbFormat = (char *)p_vih; } if( p_dmo->vt->SetInputType( p_dmo, 0, &dmo_input_type, 0 ) ) { msg_Err( p_dec, "can't set DMO input type" ); goto error; } msg_Dbg( p_dec, "DMO input type set" ); /* Setup output format */ memset( &dmo_output_type, 0, sizeof(dmo_output_type) ); dmo_output_type.pUnk = 0; if( p_dec->fmt_in.i_cat == AUDIO_ES ) { /* Setup the format */ p_dec->fmt_out.i_codec = VLC_CODEC_S16N; p_dec->fmt_out.audio.i_rate = p_dec->fmt_in.audio.i_rate; p_dec->fmt_out.audio.i_channels = p_dec->fmt_in.audio.i_channels; p_dec->fmt_out.audio.i_bitspersample = 16;//p_dec->fmt_in.audio.i_bitspersample; We request 16 if( p_dec->fmt_in.audio.i_channels > 8 ) goto error; p_dec->fmt_out.audio.i_physical_channels = pi_channels_maps[p_dec->fmt_out.audio.i_channels]; p_wf->wFormatTag = WAVE_FORMAT_PCM; p_wf->nSamplesPerSec = p_dec->fmt_out.audio.i_rate; p_wf->nChannels = p_dec->fmt_out.audio.i_channels; p_wf->wBitsPerSample = p_dec->fmt_out.audio.i_bitspersample; p_wf->nBlockAlign = p_wf->wBitsPerSample / 8 * p_wf->nChannels; p_wf->nAvgBytesPerSec = p_wf->nSamplesPerSec * p_wf->nBlockAlign; p_wf->cbSize = 0; dmo_output_type.majortype = MEDIATYPE_Audio; dmo_output_type.formattype = FORMAT_WaveFormatEx; dmo_output_type.subtype = MEDIASUBTYPE_PCM; dmo_output_type.cbFormat = sizeof(WAVEFORMATEX); dmo_output_type.pbFormat = (char *)p_wf; dmo_output_type.bFixedSizeSamples = 1; dmo_output_type.bTemporalCompression = 0; dmo_output_type.lSampleSize = p_wf->nBlockAlign; } else { VLC_BITMAPINFOHEADER *p_bih; DMO_MEDIA_TYPE mt; unsigned i_chroma = VLC_CODEC_YUYV; int i_bpp = 16; int i = 0; /* Find out which chroma to use */ while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &mt ) ) { if( mt.subtype.Data1 == VLC_CODEC_YV12 ) { i_chroma = mt.subtype.Data1; i_bpp = 12; DMOFreeMediaType( &mt ); break; } else if( (p_dec->fmt_in.i_codec == VLC_CODEC_MSS1 || p_dec->fmt_in.i_codec == VLC_CODEC_MSS2 ) && guidcmp( &mt.subtype, &MEDIASUBTYPE_RGB24 ) ) { i_chroma = VLC_CODEC_RGB24; i_bpp = 24; } DMOFreeMediaType( &mt ); } p_dec->fmt_out.i_codec = i_chroma == VLC_CODEC_YV12 ? VLC_CODEC_I420 : i_chroma; p_dec->fmt_out.video.i_width = p_dec->fmt_in.video.i_width; p_dec->fmt_out.video.i_height = p_dec->fmt_in.video.i_height; p_dec->fmt_out.video.i_bits_per_pixel = i_bpp; /* If an aspect-ratio was specified in the input format then force it */ if( p_dec->fmt_in.video.i_sar_num > 0 && p_dec->fmt_in.video.i_sar_den > 0 ) { p_dec->fmt_out.video.i_sar_num = p_dec->fmt_in.video.i_sar_num; p_dec->fmt_out.video.i_sar_den = p_dec->fmt_in.video.i_sar_den; } else { p_dec->fmt_out.video.i_sar_num = 1; p_dec->fmt_out.video.i_sar_den = 1; } p_bih = &p_vih->bmiHeader; p_bih->biCompression = i_chroma == VLC_CODEC_RGB24 ? BI_RGB : i_chroma; p_bih->biHeight *= -1; p_bih->biBitCount = p_dec->fmt_out.video.i_bits_per_pixel; p_bih->biSizeImage = p_dec->fmt_in.video.i_width * p_dec->fmt_in.video.i_height * (p_dec->fmt_in.video.i_bits_per_pixel + 7) / 8; p_bih->biPlanes = 1; /* http://msdn.microsoft.com/en-us/library/dd183376%28v=vs.85%29.aspx */ p_bih->biSize = sizeof(VLC_BITMAPINFOHEADER); dmo_output_type.majortype = MEDIATYPE_Video; dmo_output_type.formattype = FORMAT_VideoInfo; if( i_chroma == VLC_CODEC_RGB24 ) { dmo_output_type.subtype = MEDIASUBTYPE_RGB24; } else { dmo_output_type.subtype = dmo_output_type.majortype; dmo_output_type.subtype.Data1 = p_bih->biCompression; } dmo_output_type.bFixedSizeSamples = true; dmo_output_type.bTemporalCompression = 0; dmo_output_type.lSampleSize = p_bih->biSizeImage; dmo_output_type.cbFormat = sizeof(VIDEOINFOHEADER); dmo_output_type.pbFormat = (char *)p_vih; } #ifdef DMO_DEBUG /* Enumerate output types */ if( p_dec->fmt_in.i_cat == VIDEO_ES ) { int i = 0; DMO_MEDIA_TYPE mt; while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &mt ) ) { msg_Dbg( p_dec, "available output chroma: %4.4s", (char *)&mt.subtype.Data1 ); DMOFreeMediaType( &mt ); } } #endif unsigned i_err = p_dmo->vt->SetOutputType( p_dmo, 0, &dmo_output_type, 0 ); if( i_err ) { msg_Err( p_dec, "can't set DMO output type for decoder: 0x%x", i_err ); goto error; } msg_Dbg( p_dec, "DMO output type set for decoder" ); /* Allocate the memory needed to store the decoder's structure */ p_sys->hmsdmo_dll = hmsdmo_dll; p_sys->p_dmo = p_dmo; /* Find out some properties of the output */ { uint32_t i_size, i_align; p_sys->i_min_output = 0; if( p_dmo->vt->GetOutputSizeInfo( p_dmo, 0, &i_size, &i_align ) ) { msg_Err( p_dec, "GetOutputSizeInfo() failed" ); goto error; } else { msg_Dbg( p_dec, "GetOutputSizeInfo(): bytes %i, align %i", i_size, i_align ); p_sys->i_min_output = i_size; p_sys->p_buffer = malloc( i_size ); if( !p_sys->p_buffer ) goto error; } } /* Set output properties */ p_dec->fmt_out.i_cat = p_dec->fmt_in.i_cat; if( p_dec->fmt_out.i_cat == AUDIO_ES ) date_Init( &p_sys->end_date, p_dec->fmt_in.audio.i_rate, 1 ); else date_Init( &p_sys->end_date, 25 /* FIXME */, 1 ); free( p_vih ); free( p_wf ); vlc_mutex_lock( &p_sys->lock ); p_sys->b_ready = p_sys->b_works = true; vlc_cond_signal( &p_sys->wait_output ); vlc_mutex_unlock( &p_sys->lock ); return VLC_SUCCESS; error: if( p_dmo ) p_dmo->vt->Release( (IUnknown *)p_dmo ); if( hmsdmo_dll ) FreeLibrary( hmsdmo_dll ); /* Uninitialize OLE/COM */ CoUninitialize(); free( p_vih ); free( p_wf ); vlc_mutex_lock( &p_sys->lock ); p_sys->b_ready = true; vlc_cond_signal( &p_sys->wait_output ); vlc_mutex_unlock( &p_sys->lock ); return VLC_EGENERIC; } /***************************************************************************** * LoadDMO: Load the DMO object *****************************************************************************/ static int LoadDMO( vlc_object_t *p_this, HINSTANCE *p_hmsdmo_dll, IMediaObject **pp_dmo, es_format_t *p_fmt, bool b_out ) { DMO_PARTIAL_MEDIATYPE dmo_partial_type; int i_err; long (STDCALL *OurDMOEnum)( const GUID *, uint32_t, uint32_t, const DMO_PARTIAL_MEDIATYPE *, uint32_t, const DMO_PARTIAL_MEDIATYPE *, IEnumDMO ** ); IEnumDMO *p_enum_dmo = NULL; WCHAR *psz_dmo_name; GUID clsid_dmo; uint32_t i_dummy; GETCLASS GetClass; IClassFactory *cFactory = NULL; IUnknown *cObject = NULL; const codec_dll *codecs_table = b_out ? encoders_table : decoders_table; int i_codec; /* Look for a DMO which can handle the requested codec */ if( p_fmt->i_cat == AUDIO_ES ) { uint16_t i_tag; dmo_partial_type.type = MEDIATYPE_Audio; dmo_partial_type.subtype = dmo_partial_type.type; dmo_partial_type.subtype.Data1 = p_fmt->i_original_fourcc ? p_fmt->i_original_fourcc : p_fmt->i_codec; fourcc_to_wf_tag( p_fmt->i_codec, &i_tag ); if( i_tag ) dmo_partial_type.subtype.Data1 = i_tag; } else { dmo_partial_type.type = MEDIATYPE_Video; dmo_partial_type.subtype = dmo_partial_type.type; dmo_partial_type.subtype.Data1 = p_fmt->i_original_fourcc ? p_fmt->i_original_fourcc : p_fmt->i_codec; } /* Load msdmo DLL */ *p_hmsdmo_dll = LoadLibrary( TEXT( "msdmo.dll" ) ); if( *p_hmsdmo_dll == NULL ) { msg_Dbg( p_this, "failed loading msdmo.dll" ); return VLC_EGENERIC; } OurDMOEnum = (void *)GetProcAddress( *p_hmsdmo_dll, "DMOEnum" ); if( OurDMOEnum == NULL ) { msg_Dbg( p_this, "GetProcAddress failed to find DMOEnum()" ); FreeLibrary( *p_hmsdmo_dll ); return VLC_EGENERIC; } if( !b_out ) { i_err = OurDMOEnum( &GUID_NULL, 1 /*DMO_ENUMF_INCLUDE_KEYED*/, 1, &dmo_partial_type, 0, NULL, &p_enum_dmo ); } else { i_err = OurDMOEnum( &GUID_NULL, 1 /*DMO_ENUMF_INCLUDE_KEYED*/, 0, NULL, 1, &dmo_partial_type, &p_enum_dmo ); } if( i_err ) { FreeLibrary( *p_hmsdmo_dll ); /* return VLC_EGENERIC; */ /* Try loading the dll directly */ goto loader; } /* Pickup the first available codec */ *pp_dmo = 0; while( ( S_OK == p_enum_dmo->vt->Next( p_enum_dmo, 1, &clsid_dmo, &psz_dmo_name, &i_dummy /* NULL doesn't work */ ) ) ) { msg_Dbg( p_this, "found DMO: %ls", psz_dmo_name ); CoTaskMemFree( psz_dmo_name ); /* Create DMO */ if( CoCreateInstance( &clsid_dmo, NULL, CLSCTX_INPROC, &IID_IMediaObject, (void **)pp_dmo ) ) { msg_Warn( p_this, "can't create DMO" ); *pp_dmo = 0; } else break; } p_enum_dmo->vt->Release( (IUnknown *)p_enum_dmo ); if( !*pp_dmo ) { FreeLibrary( *p_hmsdmo_dll ); /* return VLC_EGENERIC; */ /* Try loading the dll directly */ goto loader; } return VLC_SUCCESS; loader: for( i_codec = 0; codecs_table[i_codec].i_fourcc != 0; i_codec++ ) { if( codecs_table[i_codec].i_fourcc == p_fmt->i_codec ) break; } if( codecs_table[i_codec].i_fourcc == 0 ) return VLC_EGENERIC; /* Can't happen */ *p_hmsdmo_dll = LoadLibrary( codecs_table[i_codec].psz_dll ); if( *p_hmsdmo_dll == NULL ) { msg_Dbg( p_this, "failed loading '"PRIs"'", codecs_table[i_codec].psz_dll ); return VLC_EGENERIC; } GetClass = (GETCLASS)GetProcAddress( *p_hmsdmo_dll, "DllGetClassObject" ); if (!GetClass) { msg_Dbg( p_this, "GetProcAddress failed to find DllGetClassObject()" ); FreeLibrary( *p_hmsdmo_dll ); return VLC_EGENERIC; } i_err = GetClass( codecs_table[i_codec].p_guid, &IID_IClassFactory, (void**)&cFactory ); if( i_err || cFactory == NULL ) { msg_Dbg( p_this, "no such class object" ); FreeLibrary( *p_hmsdmo_dll ); return VLC_EGENERIC; } i_err = cFactory->vt->CreateInstance( cFactory, 0, &IID_IUnknown, (void**)&cObject ); cFactory->vt->Release( (IUnknown*)cFactory ); if( i_err || !cObject ) { msg_Dbg( p_this, "class factory failure" ); FreeLibrary( *p_hmsdmo_dll ); return VLC_EGENERIC; } i_err = cObject->vt->QueryInterface( cObject, &IID_IMediaObject, (void**)pp_dmo ); cObject->vt->Release( (IUnknown*)cObject ); if( i_err || !*pp_dmo ) { msg_Dbg( p_this, "QueryInterface failure" ); FreeLibrary( *p_hmsdmo_dll ); return VLC_EGENERIC; } return VLC_SUCCESS; } static void DecClose( decoder_t *p_dec ) { decoder_sys_t *p_sys = p_dec->p_sys; if( p_sys->p_dmo ) p_sys->p_dmo->vt->Release( (IUnknown *)p_sys->p_dmo ); FreeLibrary( p_sys->hmsdmo_dll ); CoUninitialize(); free( p_sys->p_buffer ); } /**************************************************************************** * DecodeBlock: the whole thing **************************************************************************** * This function must be fed with packets. ****************************************************************************/ static int DecBlock( decoder_t *p_dec, block_t **pp_block ) { decoder_sys_t *p_sys = p_dec->p_sys; block_t *p_block; int i_result; DMO_OUTPUT_DATA_BUFFER db; CMediaBuffer *p_out; block_t block_out; uint32_t i_status; p_block = *pp_block; /* Won't work with streams with B-frames, but do we have any ? */ if( p_block && p_block->i_pts <= VLC_TICK_INVALID ) p_block->i_pts = p_block->i_dts; /* Date management */ if( p_block && p_block->i_pts > VLC_TICK_INVALID && p_block->i_pts != date_Get( &p_sys->end_date ) ) { date_Set( &p_sys->end_date, p_block->i_pts ); } #if 0 /* Breaks the video decoding */ if( !date_Get( &p_sys->end_date ) ) { /* We've just started the stream, wait for the first PTS. */ if( p_block ) block_Release( p_block ); return -1; } #endif /* Feed input to the DMO */ if( p_block && p_block->i_buffer ) { CMediaBuffer *p_in; p_in = CMediaBufferCreate( p_block, p_block->i_buffer, true ); i_result = p_sys->p_dmo->vt->ProcessInput( p_sys->p_dmo, 0, (IMediaBuffer *)p_in, DMO_INPUT_DATA_BUFFERF_SYNCPOINT, 0, 0 ); *pp_block = NULL; p_in->vt->Release( (IUnknown *)p_in ); if( i_result == S_FALSE ) { /* No output generated */ #ifdef DMO_DEBUG msg_Dbg( p_dec, "ProcessInput(): no output generated" ); #endif return -1; } else if( i_result == (int)DMO_E_NOTACCEPTING ) { /* Need to call ProcessOutput */ msg_Dbg( p_dec, "ProcessInput(): not accepting" ); } else if( i_result != S_OK ) { msg_Dbg( p_dec, "ProcessInput(): failed" ); return -1; } else { #ifdef DMO_DEBUG msg_Dbg( p_dec, "ProcessInput(): successful" ); #endif } } /* Get output from the DMO */ block_out.p_buffer = p_sys->p_buffer; block_out.i_buffer = 0; p_out = CMediaBufferCreate( &block_out, p_sys->i_min_output, false ); memset( &db, 0, sizeof(db) ); db.pBuffer = (IMediaBuffer *)p_out; i_result = p_sys->p_dmo->vt->ProcessOutput( p_sys->p_dmo, DMO_PROCESS_OUTPUT_DISCARD_WHEN_NO_BUFFER, 1, &db, &i_status ); if( i_result != S_OK ) { if( i_result != S_FALSE ) msg_Dbg( p_dec, "ProcessOutput(): failed" ); #ifdef DMO_DEBUG else msg_Dbg( p_dec, "ProcessOutput(): no output" ); #endif p_out->vt->Release( (IUnknown *)p_out ); return -1; } #ifdef DMO_DEBUG msg_Dbg( p_dec, "ProcessOutput(): success" ); #endif if( !block_out.i_buffer ) { #ifdef DMO_DEBUG msg_Dbg( p_dec, "ProcessOutput(): no output (i_buffer_out == 0)" ); #endif p_out->vt->Release( (IUnknown *)p_out ); return -1; } if( p_dec->fmt_out.i_cat == VIDEO_ES ) { /* Get a new picture */ if( decoder_UpdateVideoFormat( p_dec ) ) return -1; picture_t *p_pic = decoder_NewPicture( p_dec ); if( !p_pic ) return -1; CopyPicture( p_pic, block_out.p_buffer ); /* Date management */ p_pic->date = date_Get( &p_sys->end_date ); date_Increment( &p_sys->end_date, 1 ); p_out->vt->Release( (IUnknown *)p_out ); decoder_QueueVideo( p_dec, p_pic ); return 0; } else { if( decoder_UpdateAudioFormat( p_dec ) ) { p_out->vt->Release( (IUnknown *)p_out ); return -1; } block_t *p_aout_buffer; int i_samples = block_out.i_buffer / ( p_dec->fmt_out.audio.i_bitspersample * p_dec->fmt_out.audio.i_channels / 8 ); p_aout_buffer = decoder_NewAudioBuffer( p_dec, i_samples ); if( p_aout_buffer ) { memcpy( p_aout_buffer->p_buffer, block_out.p_buffer, block_out.i_buffer ); /* Date management */ p_aout_buffer->i_pts = date_Get( &p_sys->end_date ); p_aout_buffer->i_length = date_Increment( &p_sys->end_date, i_samples ) - p_aout_buffer->i_pts; } p_out->vt->Release( (IUnknown *)p_out ); decoder_QueueAudio( p_dec, p_aout_buffer ); return 0; } } static void CopyPicture( picture_t *p_pic, uint8_t *p_in ) { int i_plane, i_line, i_width, i_dst_stride; uint8_t *p_dst, *p_src = p_in; p_dst = p_pic->p[1].p_pixels; p_pic->p[1].p_pixels = p_pic->p[2].p_pixels; p_pic->p[2].p_pixels = p_dst; for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ ) { p_dst = p_pic->p[i_plane].p_pixels; i_width = p_pic->p[i_plane].i_visible_pitch; i_dst_stride = p_pic->p[i_plane].i_pitch; for( i_line = 0; i_line < p_pic->p[i_plane].i_visible_lines; i_line++ ) { memcpy( p_dst, p_src, i_width ); p_src += i_width; p_dst += i_dst_stride; } } p_dst = p_pic->p[1].p_pixels; p_pic->p[1].p_pixels = p_pic->p[2].p_pixels; p_pic->p[2].p_pixels = p_dst; } static void *DecoderThread( void *data ) { decoder_t *p_dec = data; decoder_sys_t *p_sys = p_dec->p_sys; if( DecOpen( p_dec ) ) return NULL; /* failed */ vlc_mutex_lock( &p_sys->lock ); for( ;; ) { while( p_sys->b_ready && !p_sys->p_input ) vlc_cond_wait( &p_sys->wait_input, &p_sys->lock ); if( !p_sys->b_ready ) break; while( DecBlock( p_dec, &p_sys->p_input ) == 0 ); if( p_sys->p_input != NULL ) block_Release( p_sys->p_input ); p_sys->p_input = NULL; vlc_cond_signal( &p_sys->wait_output ); } vlc_mutex_unlock( &p_sys->lock ); DecClose( p_dec ); return NULL; } /**************************************************************************** * Encoder descriptor declaration ****************************************************************************/ struct encoder_sys_t { HINSTANCE hmsdmo_dll; IMediaObject *p_dmo; int i_min_output; date_t end_date; }; /***************************************************************************** * EncoderOpen: open dmo codec *****************************************************************************/ static int EncoderOpen( vlc_object_t *p_this ) { encoder_t *p_enc = (encoder_t*)p_this; int i_ret = EncOpen( p_this ); if( i_ret != VLC_SUCCESS ) return i_ret; /* Set callbacks */ p_enc->pf_encode_video = (block_t *(*)(encoder_t *, picture_t *)) EncodeBlock; p_enc->pf_encode_audio = (block_t *(*)(encoder_t *, block_t *)) EncodeBlock; return VLC_SUCCESS; } /***************************************************************************** * EncoderSetVideoType: configures the input and output types of the dmo *****************************************************************************/ static int EncoderSetVideoType( encoder_t *p_enc, IMediaObject *p_dmo ) { int i, i_selected, i_err; DMO_MEDIA_TYPE dmo_type; VIDEOINFOHEADER vih, *p_vih; VLC_BITMAPINFOHEADER *p_bih; /* FIXME */ p_enc->fmt_in.video.i_bits_per_pixel = p_enc->fmt_out.video.i_bits_per_pixel = 12; /* Enumerate input format (for debug output) */ i = 0; while( !p_dmo->vt->GetInputType( p_dmo, 0, i++, &dmo_type ) ) { p_vih = (VIDEOINFOHEADER *)dmo_type.pbFormat; msg_Dbg( p_enc, "available input chroma: %4.4s", (char *)&dmo_type.subtype.Data1 ); if( !memcmp( &dmo_type.subtype, &MEDIASUBTYPE_RGB565, 16 ) ) msg_Dbg( p_enc, "-> MEDIASUBTYPE_RGB565" ); if( !memcmp( &dmo_type.subtype, &MEDIASUBTYPE_RGB24, 16 ) ) msg_Dbg( p_enc, "-> MEDIASUBTYPE_RGB24" ); DMOFreeMediaType( &dmo_type ); } /* Setup input format */ memset( &dmo_type, 0, sizeof(dmo_type) ); memset( &vih, 0, sizeof(VIDEOINFOHEADER) ); p_bih = &vih.bmiHeader; p_bih->biCompression = VLC_CODEC_I420; p_bih->biWidth = p_enc->fmt_in.video.i_visible_width; p_bih->biHeight = p_enc->fmt_in.video.i_visible_height; p_bih->biBitCount = p_enc->fmt_in.video.i_bits_per_pixel; p_bih->biSizeImage = p_enc->fmt_in.video.i_visible_width * p_enc->fmt_in.video.i_visible_height * p_enc->fmt_in.video.i_bits_per_pixel /8; p_bih->biPlanes = 3; p_bih->biSize = sizeof(VLC_BITMAPINFOHEADER); vih.rcSource.left = vih.rcSource.top = 0; vih.rcSource.right = p_enc->fmt_in.video.i_visible_width; vih.rcSource.bottom = p_enc->fmt_in.video.i_visible_height; vih.rcTarget = vih.rcSource; vih.AvgTimePerFrame = INT64_C(10000000) / 25; //FIXME dmo_type.majortype = MEDIATYPE_Video; //dmo_type.subtype = MEDIASUBTYPE_RGB24; dmo_type.subtype = MEDIASUBTYPE_I420; //dmo_type.subtype.Data1 = p_bih->biCompression; dmo_type.formattype = FORMAT_VideoInfo; dmo_type.bFixedSizeSamples = TRUE; dmo_type.bTemporalCompression = FALSE; dmo_type.lSampleSize = p_bih->biSizeImage; dmo_type.cbFormat = sizeof(VIDEOINFOHEADER); dmo_type.pbFormat = (char *)&vih; if( ( i_err = p_dmo->vt->SetInputType( p_dmo, 0, &dmo_type, 0 ) ) ) { msg_Err( p_enc, "can't set DMO input type: %x", i_err ); return VLC_EGENERIC; } msg_Dbg( p_enc, "successfully set input type" ); /* Setup output format */ memset( &dmo_type, 0, sizeof(dmo_type) ); dmo_type.pUnk = 0; /* Enumerate output types */ i = 0, i_selected = -1; while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &dmo_type ) ) { p_vih = (VIDEOINFOHEADER *)dmo_type.pbFormat; msg_Dbg( p_enc, "available output codec: %4.4s", (char *)&dmo_type.subtype.Data1 ); if( p_vih->bmiHeader.biCompression == p_enc->fmt_out.i_codec ) i_selected = i - 1; DMOFreeMediaType( &dmo_type ); } if( i_selected < 0 ) { msg_Err( p_enc, "couldn't find codec: %4.4s", (char *)&p_enc->fmt_out.i_codec ); return VLC_EGENERIC; } p_dmo->vt->GetOutputType( p_dmo, 0, i_selected, &dmo_type ); ((VIDEOINFOHEADER *)dmo_type.pbFormat)->dwBitRate = p_enc->fmt_out.i_bitrate; /* Get the private data for the codec */ while( 1 ) { IWMCodecPrivateData *p_privdata; VIDEOINFOHEADER *p_vih; uint8_t *p_data = 0; uint32_t i_data = 0, i_vih; i_err = p_dmo->vt->QueryInterface( (IUnknown *)p_dmo, &IID_IWMCodecPrivateData, (void**)&p_privdata ); if( i_err ) break; i_err = p_privdata->vt->SetPartialOutputType( p_privdata, &dmo_type ); if( i_err ) { msg_Err( p_enc, "SetPartialOutputType() failed" ); p_privdata->vt->Release( (IUnknown *)p_privdata ); break; } i_err = p_privdata->vt->GetPrivateData( p_privdata, NULL, &i_data ); if( i_err ) { msg_Err( p_enc, "GetPrivateData() failed" ); p_privdata->vt->Release( (IUnknown *)p_privdata ); break; } p_data = malloc( i_data ); i_err = p_privdata->vt->GetPrivateData( p_privdata, p_data, &i_data ); /* Update the media type with the private data */ i_vih = dmo_type.cbFormat + i_data; p_vih = CoTaskMemAlloc( i_vih ); memcpy( p_vih, dmo_type.pbFormat, dmo_type.cbFormat ); memcpy( ((uint8_t *)p_vih) + dmo_type.cbFormat, p_data, i_data ); DMOFreeMediaType( &dmo_type ); dmo_type.pbFormat = (char*)p_vih; dmo_type.cbFormat = i_vih; msg_Dbg( p_enc, "found extra data: %i", i_data ); p_enc->fmt_out.i_extra = i_data; p_enc->fmt_out.p_extra = p_data; break; } i_err = p_dmo->vt->SetOutputType( p_dmo, 0, &dmo_type, 0 ); p_vih = (VIDEOINFOHEADER *)dmo_type.pbFormat; p_enc->fmt_in.i_codec = VLC_CODEC_I420; DMOFreeMediaType( &dmo_type ); if( i_err ) { msg_Err( p_enc, "can't set DMO output type for encoder: 0x%x", i_err ); return VLC_EGENERIC; } msg_Dbg( p_enc, "successfully set output type for encoder" ); return VLC_SUCCESS; } /***************************************************************************** * EncoderSetAudioType: configures the input and output types of the dmo *****************************************************************************/ static int EncoderSetAudioType( encoder_t *p_enc, IMediaObject *p_dmo ) { int i, i_selected, i_err; unsigned int i_last_byterate; uint16_t i_tag; DMO_MEDIA_TYPE dmo_type; WAVEFORMATEX *p_wf; /* Setup the format structure */ fourcc_to_wf_tag( p_enc->fmt_out.i_codec, &i_tag ); if( i_tag == 0 ) return VLC_EGENERIC; p_enc->fmt_in.i_codec = VLC_CODEC_S16N; p_enc->fmt_in.audio.i_bitspersample = 16; /* We first need to choose an output type from the predefined * list of choices (we cycle through the list to select the best match) */ i = 0; i_selected = -1; i_last_byterate = 0; while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &dmo_type ) ) { p_wf = (WAVEFORMATEX *)dmo_type.pbFormat; msg_Dbg( p_enc, "available format :%i, sample rate: %i, channels: %i, " "bits per sample: %i, bitrate: %i, blockalign: %i", (int) p_wf->wFormatTag, (int)p_wf->nSamplesPerSec, (int)p_wf->nChannels, (int)p_wf->wBitsPerSample, (int)p_wf->nAvgBytesPerSec * 8, (int)p_wf->nBlockAlign ); if( p_wf->wFormatTag == i_tag && p_wf->nSamplesPerSec == p_enc->fmt_in.audio.i_rate && p_wf->nChannels == p_enc->fmt_in.audio.i_channels && p_wf->wBitsPerSample == p_enc->fmt_in.audio.i_bitspersample ) { if( p_wf->nAvgBytesPerSec < p_enc->fmt_out.i_bitrate * 110 / 800 /* + 10% */ && p_wf->nAvgBytesPerSec > i_last_byterate ) { i_selected = i - 1; i_last_byterate = p_wf->nAvgBytesPerSec; msg_Dbg( p_enc, "selected entry %i (bitrate: %i)", i_selected, p_wf->nAvgBytesPerSec * 8 ); } } DMOFreeMediaType( &dmo_type ); } if( i_selected < 0 ) { msg_Err( p_enc, "couldn't find a matching output" ); return VLC_EGENERIC; } p_dmo->vt->GetOutputType( p_dmo, 0, i_selected, &dmo_type ); p_wf = (WAVEFORMATEX *)dmo_type.pbFormat; msg_Dbg( p_enc, "selected format: %i, sample rate:%i, " "channels: %i, bits per sample: %i, bitrate: %i, blockalign: %i", (int)p_wf->wFormatTag, (int)p_wf->nSamplesPerSec, (int)p_wf->nChannels, (int)p_wf->wBitsPerSample, (int)p_wf->nAvgBytesPerSec * 8, (int)p_wf->nBlockAlign ); p_enc->fmt_out.audio.i_rate = p_wf->nSamplesPerSec; p_enc->fmt_out.audio.i_channels = p_wf->nChannels; p_enc->fmt_out.audio.i_bitspersample = p_wf->wBitsPerSample; p_enc->fmt_out.audio.i_blockalign = p_wf->nBlockAlign; p_enc->fmt_out.i_bitrate = p_wf->nAvgBytesPerSec * 8; if( p_wf->cbSize ) { msg_Dbg( p_enc, "found cbSize: %i", p_wf->cbSize ); p_enc->fmt_out.i_extra = p_wf->cbSize; p_enc->fmt_out.p_extra = malloc( p_enc->fmt_out.i_extra ); if( p_enc->fmt_out.p_extra == NULL) return VLC_EGENERIC; memcpy( p_enc->fmt_out.p_extra, &p_wf[1], p_enc->fmt_out.i_extra ); } i_err = p_dmo->vt->SetOutputType( p_dmo, 0, &dmo_type, 0 ); DMOFreeMediaType( &dmo_type ); if( i_err ) { msg_Err( p_enc, "can't set DMO output type: %i", i_err ); return VLC_EGENERIC; } msg_Dbg( p_enc, "successfully set output type" ); /* Setup the input type */ i = 0; i_selected = -1; while( !p_dmo->vt->GetInputType( p_dmo, 0, i++, &dmo_type ) ) { p_wf = (WAVEFORMATEX *)dmo_type.pbFormat; msg_Dbg( p_enc, "available format :%i, sample rate: %i, channels: %i, " "bits per sample: %i, bitrate: %i, blockalign: %i", (int) p_wf->wFormatTag, (int)p_wf->nSamplesPerSec, (int)p_wf->nChannels, (int)p_wf->wBitsPerSample, (int)p_wf->nAvgBytesPerSec * 8, (int)p_wf->nBlockAlign ); if( p_wf->wFormatTag == WAVE_FORMAT_PCM && p_wf->nSamplesPerSec == p_enc->fmt_in.audio.i_rate && p_wf->nChannels == p_enc->fmt_in.audio.i_channels && p_wf->wBitsPerSample == p_enc->fmt_in.audio.i_bitspersample ) { i_selected = i - 1; } DMOFreeMediaType( &dmo_type ); } if( i_selected < 0 ) { msg_Err( p_enc, "couldn't find a matching input" ); return VLC_EGENERIC; } p_dmo->vt->GetInputType( p_dmo, 0, i_selected, &dmo_type ); i_err = p_dmo->vt->SetInputType( p_dmo, 0, &dmo_type, 0 ); DMOFreeMediaType( &dmo_type ); if( i_err ) { msg_Err( p_enc, "can't set DMO input type: 0x%x", i_err ); return VLC_EGENERIC; } msg_Dbg( p_enc, "successfully set input type" ); return VLC_SUCCESS; } /***************************************************************************** * EncOpen: open dmo codec *****************************************************************************/ static int EncOpen( vlc_object_t *p_this ) { encoder_t *p_enc = (encoder_t*)p_this; encoder_sys_t *p_sys = NULL; IMediaObject *p_dmo = NULL; HINSTANCE hmsdmo_dll = NULL; /* Initialize OLE/COM */ if( FAILED(CoInitializeEx( NULL, COINIT_MULTITHREADED )) ) vlc_assert_unreachable(); if( LoadDMO( p_this, &hmsdmo_dll, &p_dmo, &p_enc->fmt_out, true ) != VLC_SUCCESS ) { hmsdmo_dll = 0; p_dmo = 0; goto error; } if( p_enc->fmt_in.i_cat == VIDEO_ES ) { if( EncoderSetVideoType( p_enc, p_dmo ) != VLC_SUCCESS ) goto error; } else { if( EncoderSetAudioType( p_enc, p_dmo ) != VLC_SUCCESS ) goto error; } /* Allocate the memory needed to store the decoder's structure */ if( ( p_enc->p_sys = p_sys = malloc(sizeof(*p_sys)) ) == NULL ) { goto error; } p_sys->hmsdmo_dll = hmsdmo_dll; p_sys->p_dmo = p_dmo; /* Find out some properties of the inputput */ { uint32_t i_size, i_align, dum; if( p_dmo->vt->GetInputSizeInfo( p_dmo, 0, &i_size, &i_align, &dum ) ) msg_Err( p_enc, "GetInputSizeInfo() failed" ); else msg_Dbg( p_enc, "GetInputSizeInfo(): bytes %i, align %i, %i", i_size, i_align, dum ); } /* Find out some properties of the output */ { uint32_t i_size, i_align; p_sys->i_min_output = 0; if( p_dmo->vt->GetOutputSizeInfo( p_dmo, 0, &i_size, &i_align ) ) { msg_Err( p_enc, "GetOutputSizeInfo() failed" ); goto error; } else { msg_Dbg( p_enc, "GetOutputSizeInfo(): bytes %i, align %i", i_size, i_align ); p_sys->i_min_output = i_size; } } /* Set output properties */ p_enc->fmt_out.i_cat = p_enc->fmt_in.i_cat; if( p_enc->fmt_out.i_cat == AUDIO_ES ) date_Init( &p_sys->end_date, p_enc->fmt_out.audio.i_rate, 1 ); else date_Init( &p_sys->end_date, 25 /* FIXME */, 1 ); return VLC_SUCCESS; error: if( p_dmo ) p_dmo->vt->Release( (IUnknown *)p_dmo ); if( hmsdmo_dll ) FreeLibrary( hmsdmo_dll ); /* Uninitialize OLE/COM */ CoUninitialize(); free( p_sys ); return VLC_EGENERIC; } /**************************************************************************** * Encode: the whole thing ****************************************************************************/ static block_t *EncodeBlock( encoder_t *p_enc, void *p_data ) { encoder_sys_t *p_sys = p_enc->p_sys; CMediaBuffer *p_in; block_t *p_chain = NULL; block_t *p_block_in; uint32_t i_status; int i_result; vlc_tick_t i_pts; if( !p_data ) return NULL; if( p_enc->fmt_out.i_cat == VIDEO_ES ) { /* Get picture data */ int i_plane, i_line, i_width, i_src_stride; picture_t *p_pic = (picture_t *)p_data; uint8_t *p_dst; int i_buffer = p_enc->fmt_in.video.i_visible_width * p_enc->fmt_in.video.i_visible_height * p_enc->fmt_in.video.i_bits_per_pixel / 8; p_block_in = block_Alloc( i_buffer ); /* Copy picture stride by stride */ p_dst = p_block_in->p_buffer; for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ ) { uint8_t *p_src = p_pic->p[i_plane].p_pixels; i_width = p_pic->p[i_plane].i_visible_pitch; i_src_stride = p_pic->p[i_plane].i_pitch; for( i_line = 0; i_line < p_pic->p[i_plane].i_visible_lines; i_line++ ) { memcpy( p_dst, p_src, i_width ); p_dst += i_width; p_src += i_src_stride; } } i_pts = p_pic->date; } else { block_t *p_aout_buffer = (block_t *)p_data; p_block_in = block_Alloc( p_aout_buffer->i_buffer ); memcpy( p_block_in->p_buffer, p_aout_buffer->p_buffer, p_block_in->i_buffer ); i_pts = p_aout_buffer->i_pts; } /* Feed input to the DMO */ p_in = CMediaBufferCreate( p_block_in, p_block_in->i_buffer, true ); i_result = p_sys->p_dmo->vt->ProcessInput( p_sys->p_dmo, 0, (IMediaBuffer *)p_in, DMO_INPUT_DATA_BUFFERF_TIME, i_pts * 10, 0 ); p_in->vt->Release( (IUnknown *)p_in ); if( i_result == S_FALSE ) { /* No output generated */ #ifdef DMO_DEBUG msg_Dbg( p_enc, "ProcessInput(): no output generated %"PRId64, i_pts ); #endif return NULL; } else if( i_result == (int)DMO_E_NOTACCEPTING ) { /* Need to call ProcessOutput */ msg_Dbg( p_enc, "ProcessInput(): not accepting" ); } else if( i_result != S_OK ) { msg_Dbg( p_enc, "ProcessInput(): failed: %x", i_result ); return NULL; } #ifdef DMO_DEBUG msg_Dbg( p_enc, "ProcessInput(): success" ); #endif /* Get output from the DMO */ while( 1 ) { DMO_OUTPUT_DATA_BUFFER db; block_t *p_block_out; CMediaBuffer *p_out; p_block_out = block_Alloc( p_sys->i_min_output ); p_block_out->i_buffer = 0; p_out = CMediaBufferCreate(p_block_out, p_sys->i_min_output, false); memset( &db, 0, sizeof(db) ); db.pBuffer = (IMediaBuffer *)p_out; i_result = p_sys->p_dmo->vt->ProcessOutput( p_sys->p_dmo, 0, 1, &db, &i_status ); if( i_result != S_OK ) { if( i_result != S_FALSE ) msg_Dbg( p_enc, "ProcessOutput(): failed: %x", i_result ); #ifdef DMO_DEBUG else msg_Dbg( p_enc, "ProcessOutput(): no output" ); #endif p_out->vt->Release( (IUnknown *)p_out ); block_Release( p_block_out ); return p_chain; } if( !p_block_out->i_buffer ) { #ifdef DMO_DEBUG msg_Dbg( p_enc, "ProcessOutput(): no output (i_buffer_out == 0)" ); #endif p_out->vt->Release( (IUnknown *)p_out ); block_Release( p_block_out ); return p_chain; } if( db.dwStatus & DMO_OUTPUT_DATA_BUFFERF_TIME ) { #ifdef DMO_DEBUG msg_Dbg( p_enc, "ProcessOutput(): pts: %"PRId64", %"PRId64, i_pts, db.rtTimestamp / 10 ); #endif i_pts = db.rtTimestamp / 10; } if( db.dwStatus & DMO_OUTPUT_DATA_BUFFERF_TIMELENGTH ) { p_block_out->i_length = db.rtTimelength / 10; #ifdef DMO_DEBUG msg_Dbg( p_enc, "ProcessOutput(): length: %"PRId64, p_block_out->i_length ); #endif } if( p_enc->fmt_out.i_cat == VIDEO_ES ) { if( db.dwStatus & DMO_OUTPUT_DATA_BUFFERF_SYNCPOINT ) p_block_out->i_flags |= BLOCK_FLAG_TYPE_I; else p_block_out->i_flags |= BLOCK_FLAG_TYPE_P; } p_block_out->i_dts = p_block_out->i_pts = i_pts; block_ChainAppend( &p_chain, p_block_out ); } } /***************************************************************************** * EncoderClose: close codec *****************************************************************************/ void EncoderClose( vlc_object_t *p_this ) { encoder_t *p_enc = (encoder_t*)p_this; encoder_sys_t *p_sys = p_enc->p_sys; if( !p_sys ) return; if( p_sys->p_dmo ) p_sys->p_dmo->vt->Release( (IUnknown *)p_sys->p_dmo ); FreeLibrary( p_sys->hmsdmo_dll ); /* Uninitialize OLE/COM */ CoUninitialize(); free( p_sys ); }