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/*
* MP3 decoder DMO
*
* Copyright 2018 Zebediah Figura
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <stdio.h>
#include <mpg123.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "mmreg.h"
#define COBJMACROS
#include "objbase.h"
#include "dmo.h"
#include "rpcproxy.h"
#include "wmcodecdsp.h"
#include "wine/debug.h"
#include "wine/heap.h"
#include "initguid.h"
DEFINE_GUID(WMMEDIATYPE_Audio, 0x73647561,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);
DEFINE_GUID(WMMEDIASUBTYPE_MP3,0x00000055,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);
DEFINE_GUID(WMMEDIASUBTYPE_PCM,0x00000001,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);
DEFINE_GUID(WMFORMAT_WaveFormatEx, 0x05589f81,0xc356,0x11ce,0xbf,0x01,0x00,0xaa,0x00,0x55,0x59,0x5a);
WINE_DEFAULT_DEBUG_CHANNEL(mp3dmod);
struct mp3_decoder
{
IUnknown IUnknown_inner;
IMediaObject IMediaObject_iface;
IUnknown *outer;
LONG ref;
mpg123_handle *mh;
DMO_MEDIA_TYPE intype, outtype;
BOOL intype_set, outtype_set;
IMediaBuffer *buffer;
REFERENCE_TIME timestamp;
};
static inline struct mp3_decoder *impl_from_IUnknown(IUnknown *iface)
{
return CONTAINING_RECORD(iface, struct mp3_decoder, IUnknown_inner);
}
static HRESULT WINAPI Unknown_QueryInterface(IUnknown *iface, REFIID iid, void **obj)
{
struct mp3_decoder *This = impl_from_IUnknown(iface);
TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(iid), obj);
if (IsEqualGUID(iid, &IID_IUnknown))
*obj = &This->IUnknown_inner;
else if (IsEqualGUID(iid, &IID_IMediaObject))
*obj = &This->IMediaObject_iface;
else
{
FIXME("no interface for %s\n", debugstr_guid(iid));
*obj = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown *)*obj);
return S_OK;
}
static ULONG WINAPI Unknown_AddRef(IUnknown *iface)
{
struct mp3_decoder *This = impl_from_IUnknown(iface);
ULONG refcount = InterlockedIncrement(&This->ref);
TRACE("(%p) AddRef from %ld\n", This, refcount - 1);
return refcount;
}
static ULONG WINAPI Unknown_Release(IUnknown *iface)
{
struct mp3_decoder *This = impl_from_IUnknown(iface);
ULONG refcount = InterlockedDecrement(&This->ref);
TRACE("(%p) Release from %ld\n", This, refcount + 1);
if (!refcount)
{
if (This->buffer)
IMediaBuffer_Release(This->buffer);
if (This->intype_set)
MoFreeMediaType(&This->intype);
MoFreeMediaType(&This->outtype);
mpg123_delete(This->mh);
heap_free(This);
}
return refcount;
}
static const IUnknownVtbl Unknown_vtbl = {
Unknown_QueryInterface,
Unknown_AddRef,
Unknown_Release,
};
static inline struct mp3_decoder *impl_from_IMediaObject(IMediaObject *iface)
{
return CONTAINING_RECORD(iface, struct mp3_decoder, IMediaObject_iface);
}
static HRESULT WINAPI MediaObject_QueryInterface(IMediaObject *iface, REFIID iid, void **obj)
{
struct mp3_decoder *This = impl_from_IMediaObject(iface);
return IUnknown_QueryInterface(This->outer, iid, obj);
}
static ULONG WINAPI MediaObject_AddRef(IMediaObject *iface)
{
struct mp3_decoder *This = impl_from_IMediaObject(iface);
return IUnknown_AddRef(This->outer);
}
static ULONG WINAPI MediaObject_Release(IMediaObject *iface)
{
struct mp3_decoder *This = impl_from_IMediaObject(iface);
return IUnknown_Release(This->outer);
}
static HRESULT WINAPI MediaObject_GetStreamCount(IMediaObject *iface, DWORD *input, DWORD *output)
{
TRACE("iface %p, input %p, output %p.\n", iface, input, output);
*input = *output = 1;
return S_OK;
}
static HRESULT WINAPI MediaObject_GetInputStreamInfo(IMediaObject *iface, DWORD index, DWORD *flags)
{
TRACE("iface %p, index %lu, flags %p.\n", iface, index, flags);
*flags = 0;
return S_OK;
}
static HRESULT WINAPI MediaObject_GetOutputStreamInfo(IMediaObject *iface, DWORD index, DWORD *flags)
{
TRACE("iface %p, index %lu, flags %p.\n", iface, index, flags);
*flags = 0;
return S_OK;
}
static HRESULT WINAPI MediaObject_GetInputType(IMediaObject *iface, DWORD index, DWORD type_index, DMO_MEDIA_TYPE *type)
{
TRACE("iface %p, index %lu, type_index %lu, type %p.\n", iface, index, type_index, type);
if (type_index)
return DMO_E_NO_MORE_ITEMS;
type->majortype = WMMEDIATYPE_Audio;
type->subtype = WMMEDIASUBTYPE_MP3;
type->formattype = GUID_NULL;
type->pUnk = NULL;
type->cbFormat = 0;
type->pbFormat = NULL;
return S_OK;
}
static HRESULT WINAPI MediaObject_GetOutputType(IMediaObject *iface, DWORD index, DWORD type_index, DMO_MEDIA_TYPE *type)
{
struct mp3_decoder *dmo = impl_from_IMediaObject(iface);
const WAVEFORMATEX *input_format;
WAVEFORMATEX *format;
TRACE("iface %p, index %lu, type_index %lu, type %p.\n", iface, index, type_index, type);
if (!dmo->intype_set)
return DMO_E_TYPE_NOT_SET;
input_format = (WAVEFORMATEX *)dmo->intype.pbFormat;
if (type_index >= (2 * input_format->nChannels))
return DMO_E_NO_MORE_ITEMS;
type->majortype = WMMEDIATYPE_Audio;
type->subtype = WMMEDIASUBTYPE_PCM;
type->formattype = WMFORMAT_WaveFormatEx;
type->pUnk = NULL;
type->cbFormat = sizeof(WAVEFORMATEX);
if (!(type->pbFormat = CoTaskMemAlloc(sizeof(WAVEFORMATEX))))
return E_OUTOFMEMORY;
format = (WAVEFORMATEX *)type->pbFormat;
format->wFormatTag = WAVE_FORMAT_PCM;
format->nSamplesPerSec = input_format->nSamplesPerSec;
format->nChannels = (type_index / 2) ? 1 : input_format->nChannels;
format->wBitsPerSample = (type_index % 2) ? 8 : 16;
format->nBlockAlign = format->nChannels * format->wBitsPerSample / 8;
format->nAvgBytesPerSec = format->nSamplesPerSec * format->nBlockAlign;
format->cbSize = 0;
return S_OK;
}
static HRESULT WINAPI MediaObject_SetInputType(IMediaObject *iface, DWORD index, const DMO_MEDIA_TYPE *type, DWORD flags)
{
struct mp3_decoder *dmo = impl_from_IMediaObject(iface);
TRACE("iface %p, index %lu, type %p, flags %#lx.\n", iface, index, type, flags);
if (flags & DMO_SET_TYPEF_CLEAR)
{
if (dmo->intype_set)
MoFreeMediaType(&dmo->intype);
dmo->intype_set = FALSE;
return S_OK;
}
if (!IsEqualGUID(&type->majortype, &WMMEDIATYPE_Audio)
|| !IsEqualGUID(&type->subtype, &WMMEDIASUBTYPE_MP3)
|| !IsEqualGUID(&type->formattype, &WMFORMAT_WaveFormatEx))
return DMO_E_TYPE_NOT_ACCEPTED;
if (!(flags & DMO_SET_TYPEF_TEST_ONLY))
{
if (dmo->intype_set)
MoFreeMediaType(&dmo->intype);
MoCopyMediaType(&dmo->intype, type);
dmo->intype_set = TRUE;
}
return S_OK;
}
static HRESULT WINAPI MediaObject_SetOutputType(IMediaObject *iface, DWORD index, const DMO_MEDIA_TYPE *type, DWORD flags)
{
struct mp3_decoder *This = impl_from_IMediaObject(iface);
WAVEFORMATEX *format;
long enc;
int err;
TRACE("(%p)->(%ld, %p, %#lx)\n", iface, index, type, flags);
if (flags & DMO_SET_TYPEF_CLEAR)
{
MoFreeMediaType(&This->outtype);
This->outtype_set = FALSE;
return S_OK;
}
if (!IsEqualGUID(&type->formattype, &WMFORMAT_WaveFormatEx))
return DMO_E_TYPE_NOT_ACCEPTED;
format = (WAVEFORMATEX *)type->pbFormat;
if (format->wBitsPerSample == 8)
enc = MPG123_ENC_UNSIGNED_8;
else if (format->wBitsPerSample == 16)
enc = MPG123_ENC_SIGNED_16;
else
{
ERR("Cannot decode to bit depth %u.\n", format->wBitsPerSample);
return DMO_E_TYPE_NOT_ACCEPTED;
}
if (!(flags & DMO_SET_TYPEF_TEST_ONLY))
{
err = mpg123_format(This->mh, format->nSamplesPerSec, format->nChannels, enc);
if (err != MPG123_OK)
{
ERR("Failed to set format: %u channels, %lu samples/sec, %u bits/sample.\n",
format->nChannels, format->nSamplesPerSec, format->wBitsPerSample);
return DMO_E_TYPE_NOT_ACCEPTED;
}
MoCopyMediaType(&This->outtype, type);
This->outtype_set = TRUE;
}
return S_OK;
}
static HRESULT WINAPI MediaObject_GetInputCurrentType(IMediaObject *iface, DWORD index, DMO_MEDIA_TYPE *type)
{
FIXME("(%p)->(%ld, %p) stub!\n", iface, index, type);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaObject_GetOutputCurrentType(IMediaObject *iface, DWORD index, DMO_MEDIA_TYPE *type)
{
FIXME("(%p)->(%ld, %p) stub!\n", iface, index, type);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaObject_GetInputSizeInfo(IMediaObject *iface,
DWORD index, DWORD *size, DWORD *lookahead, DWORD *alignment)
{
struct mp3_decoder *dmo = impl_from_IMediaObject(iface);
TRACE("iface %p, index %lu, size %p, lookahead %p, alignment %p.\n", iface, index, size, lookahead, alignment);
if (!dmo->intype_set || !dmo->outtype_set)
return DMO_E_TYPE_NOT_SET;
*size = 0;
*alignment = 1;
return S_OK;
}
static HRESULT WINAPI MediaObject_GetOutputSizeInfo(IMediaObject *iface, DWORD index, DWORD *size, DWORD *alignment)
{
struct mp3_decoder *dmo = impl_from_IMediaObject(iface);
TRACE("iface %p, index %lu, size %p, alignment %p.\n", iface, index, size, alignment);
if (!dmo->intype_set || !dmo->outtype_set)
return DMO_E_TYPE_NOT_SET;
*size = 2 * 1152 * ((WAVEFORMATEX *)dmo->outtype.pbFormat)->wBitsPerSample / 8;
*alignment = 1;
return S_OK;
}
static HRESULT WINAPI MediaObject_GetInputMaxLatency(IMediaObject *iface, DWORD index, REFERENCE_TIME *latency)
{
FIXME("(%p)->(%ld, %p) stub!\n", iface, index, latency);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaObject_SetInputMaxLatency(IMediaObject *iface, DWORD index, REFERENCE_TIME latency)
{
FIXME("(%p)->(%ld, %s) stub!\n", iface, index, wine_dbgstr_longlong(latency));
return E_NOTIMPL;
}
static HRESULT WINAPI MediaObject_Flush(IMediaObject *iface)
{
struct mp3_decoder *dmo = impl_from_IMediaObject(iface);
TRACE("iface %p.\n", iface);
if (dmo->buffer)
IMediaBuffer_Release(dmo->buffer);
dmo->buffer = NULL;
dmo->timestamp = 0;
/* mpg123 doesn't give us a way to flush, so just close and reopen the feed. */
mpg123_close(dmo->mh);
mpg123_open_feed(dmo->mh);
return S_OK;
}
static HRESULT WINAPI MediaObject_Discontinuity(IMediaObject *iface, DWORD index)
{
TRACE("iface %p.\n", iface);
return S_OK;
}
static HRESULT WINAPI MediaObject_AllocateStreamingResources(IMediaObject *iface)
{
FIXME("(%p)->() stub!\n", iface);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaObject_FreeStreamingResources(IMediaObject *iface)
{
FIXME("(%p)->() stub!\n", iface);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaObject_GetInputStatus(IMediaObject *iface, DWORD index, DWORD *flags)
{
FIXME("(%p)->(%ld, %p) stub!\n", iface, index, flags);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaObject_ProcessInput(IMediaObject *iface, DWORD index,
IMediaBuffer *buffer, DWORD flags, REFERENCE_TIME timestamp, REFERENCE_TIME timelength)
{
struct mp3_decoder *This = impl_from_IMediaObject(iface);
HRESULT hr;
BYTE *data;
DWORD len;
int err;
TRACE("(%p)->(%ld, %p, %#lx, %s, %s)\n", iface, index, buffer, flags,
wine_dbgstr_longlong(timestamp), wine_dbgstr_longlong(timelength));
if (This->buffer)
{
ERR("Already have a buffer.\n");
return DMO_E_NOTACCEPTING;
}
IMediaBuffer_AddRef(buffer);
This->buffer = buffer;
hr = IMediaBuffer_GetBufferAndLength(buffer, &data, &len);
if (FAILED(hr))
return hr;
err = mpg123_feed(This->mh, data, len);
if (err != MPG123_OK)
{
ERR("mpg123_feed() failed: %s\n", mpg123_strerror(This->mh));
return E_FAIL;
}
return S_OK;
}
static DWORD get_framesize(DMO_MEDIA_TYPE *type)
{
WAVEFORMATEX *format = (WAVEFORMATEX *)type->pbFormat;
return 1152 * format->nBlockAlign;
}
static REFERENCE_TIME get_frametime(DMO_MEDIA_TYPE *type)
{
WAVEFORMATEX *format = (WAVEFORMATEX *)type->pbFormat;
return (REFERENCE_TIME) 10000000 * 1152 / format->nSamplesPerSec;
}
static HRESULT WINAPI MediaObject_ProcessOutput(IMediaObject *iface, DWORD flags, DWORD count, DMO_OUTPUT_DATA_BUFFER *buffers, DWORD *status)
{
struct mp3_decoder *This = impl_from_IMediaObject(iface);
REFERENCE_TIME time = 0, frametime;
DWORD len, maxlen, framesize;
int got_data = 0;
size_t written;
HRESULT hr;
BYTE *data;
int err;
TRACE("(%p)->(%#lx, %ld, %p, %p)\n", iface, flags, count, buffers, status);
if (count > 1)
FIXME("Multiple buffers not handled.\n");
buffers[0].dwStatus = 0;
if (!buffers[0].pBuffer)
{
while ((err = mpg123_read(This->mh, NULL, 0, &written)) == MPG123_NEW_FORMAT);
if (err == MPG123_NEED_MORE)
return S_OK;
else if (err == MPG123_ERR)
ERR("mpg123_read() failed: %s\n", mpg123_strerror(This->mh));
else if (err != MPG123_OK)
ERR("mpg123_read() returned %d\n", err);
buffers[0].dwStatus = DMO_OUTPUT_DATA_BUFFERF_INCOMPLETE;
return S_OK;
}
if (!This->buffer)
return S_FALSE;
buffers[0].dwStatus |= DMO_OUTPUT_DATA_BUFFERF_SYNCPOINT;
hr = IMediaBuffer_GetBufferAndLength(buffers[0].pBuffer, &data, &len);
if (FAILED(hr)) return hr;
hr = IMediaBuffer_GetMaxLength(buffers[0].pBuffer, &maxlen);
if (FAILED(hr)) return hr;
framesize = get_framesize(&This->outtype);
frametime = get_frametime(&This->outtype);
while (1)
{
if (maxlen - len < framesize)
{
buffers[0].dwStatus |= DMO_OUTPUT_DATA_BUFFERF_INCOMPLETE;
break;
}
while ((err = mpg123_read(This->mh, data + len, framesize, &written)) == MPG123_NEW_FORMAT);
if (err == MPG123_NEED_MORE)
{
IMediaBuffer_Release(This->buffer);
This->buffer = NULL;
break;
}
else if (err == MPG123_ERR)
ERR("mpg123_read() failed: %s\n", mpg123_strerror(This->mh));
else if (err != MPG123_OK)
ERR("mpg123_read() returned %d\n", err);
if (written < framesize)
ERR("short write: %Id/%lu\n", written, framesize);
got_data = 1;
len += framesize;
hr = IMediaBuffer_SetLength(buffers[0].pBuffer, len);
if (FAILED(hr)) return hr;
time += frametime;
}
if (got_data)
{
buffers[0].dwStatus |= (DMO_OUTPUT_DATA_BUFFERF_TIME | DMO_OUTPUT_DATA_BUFFERF_TIMELENGTH);
buffers[0].rtTimelength = time;
buffers[0].rtTimestamp = This->timestamp;
This->timestamp += time;
return S_OK;
}
return S_FALSE;
}
static HRESULT WINAPI MediaObject_Lock(IMediaObject *iface, LONG lock)
{
FIXME("(%p)->(%ld) stub!\n", iface, lock);
return E_NOTIMPL;
}
static const IMediaObjectVtbl MediaObject_vtbl = {
MediaObject_QueryInterface,
MediaObject_AddRef,
MediaObject_Release,
MediaObject_GetStreamCount,
MediaObject_GetInputStreamInfo,
MediaObject_GetOutputStreamInfo,
MediaObject_GetInputType,
MediaObject_GetOutputType,
MediaObject_SetInputType,
MediaObject_SetOutputType,
MediaObject_GetInputCurrentType,
MediaObject_GetOutputCurrentType,
MediaObject_GetInputSizeInfo,
MediaObject_GetOutputSizeInfo,
MediaObject_GetInputMaxLatency,
MediaObject_SetInputMaxLatency,
MediaObject_Flush,
MediaObject_Discontinuity,
MediaObject_AllocateStreamingResources,
MediaObject_FreeStreamingResources,
MediaObject_GetInputStatus,
MediaObject_ProcessInput,
MediaObject_ProcessOutput,
MediaObject_Lock,
};
static HRESULT create_mp3_decoder(IUnknown *outer, REFIID iid, void **obj)
{
struct mp3_decoder *This;
HRESULT hr;
int err;
if (!(This = heap_alloc_zero(sizeof(*This))))
return E_OUTOFMEMORY;
This->IUnknown_inner.lpVtbl = &Unknown_vtbl;
This->IMediaObject_iface.lpVtbl = &MediaObject_vtbl;
This->ref = 1;
This->outer = outer ? outer : &This->IUnknown_inner;
mpg123_init();
This->mh = mpg123_new(NULL, &err);
mpg123_open_feed(This->mh);
mpg123_format_none(This->mh);
hr = IUnknown_QueryInterface(&This->IUnknown_inner, iid, obj);
IUnknown_Release(&This->IUnknown_inner);
return hr;
}
static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID iid, void **obj)
{
TRACE("(%p, %s, %p)\n", iface, debugstr_guid(iid), obj);
if (IsEqualGUID(&IID_IUnknown, iid) ||
IsEqualGUID(&IID_IClassFactory, iid))
{
IClassFactory_AddRef(iface);
*obj = iface;
return S_OK;
}
*obj = NULL;
WARN("no interface for %s\n", debugstr_guid(iid));
return E_NOINTERFACE;
}
static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
{
return 2;
}
static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
{
return 1;
}
static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown *outer, REFIID iid, void **obj)
{
TRACE("(%p, %s, %p)\n", outer, debugstr_guid(iid), obj);
if (outer && !IsEqualGUID(iid, &IID_IUnknown))
{
*obj = NULL;
return E_NOINTERFACE;
}
return create_mp3_decoder(outer, iid, obj);
}
static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL lock)
{
FIXME("(%d) stub\n", lock);
return S_OK;
}
static const IClassFactoryVtbl classfactory_vtbl = {
ClassFactory_QueryInterface,
ClassFactory_AddRef,
ClassFactory_Release,
ClassFactory_CreateInstance,
ClassFactory_LockServer
};
static IClassFactory mp3_decoder_cf = { &classfactory_vtbl };
/*************************************************************************
* DllGetClassObject (DSDMO.@)
*/
HRESULT WINAPI DllGetClassObject(REFCLSID clsid, REFIID iid, void **obj)
{
TRACE("%s, %s, %p\n", debugstr_guid(clsid), debugstr_guid(iid), obj);
if (IsEqualGUID(clsid, &CLSID_CMP3DecMediaObject))
return IClassFactory_QueryInterface(&mp3_decoder_cf, iid, obj);
FIXME("class %s not available\n", debugstr_guid(clsid));
return CLASS_E_CLASSNOTAVAILABLE;
}
/***********************************************************************
* DllRegisterServer (DSDMO.@)
*/
HRESULT WINAPI DllRegisterServer(void)
{
DMO_PARTIAL_MEDIATYPE in, out;
HRESULT hr;
in.type = WMMEDIATYPE_Audio;
in.subtype = WMMEDIASUBTYPE_MP3;
out.type = WMMEDIATYPE_Audio;
out.subtype = WMMEDIASUBTYPE_PCM;
hr = DMORegister(L"MP3 Decoder DMO", &CLSID_CMP3DecMediaObject, &DMOCATEGORY_AUDIO_DECODER,
0, 1, &in, 1, &out);
if (FAILED(hr)) return hr;
return __wine_register_resources();
}
/***********************************************************************
* DllUnregisterServer (DSDMO.@)
*/
HRESULT WINAPI DllUnregisterServer(void)
{
HRESULT hr;
hr = DMOUnregister(&CLSID_CMP3DecMediaObject, &DMOCATEGORY_AUDIO_DECODER);
if (FAILED(hr)) return hr;
return __wine_unregister_resources();
}
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