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/*
* Copyright 2019 Nikolay Sivov for CodeWeavers
*
* 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 "config.h"
#include <gst/gst.h>
#include "gst_private.h"
#include <stdarg.h>
#include "gst_private.h"
#include "mfapi.h"
#include "mfidl.h"
#include "wine/debug.h"
#include "wine/heap.h"
WINE_DEFAULT_DEBUG_CHANNEL(mfplat);
struct video_processor
{
IMFTransform IMFTransform_iface;
LONG refcount;
IMFAttributes *attributes;
IMFAttributes *output_attributes;
};
static struct video_processor *impl_video_processor_from_IMFTransform(IMFTransform *iface)
{
return CONTAINING_RECORD(iface, struct video_processor, IMFTransform_iface);
}
static HRESULT WINAPI video_processor_QueryInterface(IMFTransform *iface, REFIID riid, void **obj)
{
TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IMFTransform) ||
IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IMFTransform_AddRef(iface);
return S_OK;
}
WARN("Unsupported %s.\n", debugstr_guid(riid));
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI video_processor_AddRef(IMFTransform *iface)
{
struct video_processor *transform = impl_video_processor_from_IMFTransform(iface);
ULONG refcount = InterlockedIncrement(&transform->refcount);
TRACE("%p, refcount %u.\n", iface, refcount);
return refcount;
}
static ULONG WINAPI video_processor_Release(IMFTransform *iface)
{
struct video_processor *transform = impl_video_processor_from_IMFTransform(iface);
ULONG refcount = InterlockedDecrement(&transform->refcount);
TRACE("%p, refcount %u.\n", iface, refcount);
if (!refcount)
{
if (transform->attributes)
IMFAttributes_Release(transform->attributes);
if (transform->output_attributes)
IMFAttributes_Release(transform->output_attributes);
heap_free(transform);
}
return refcount;
}
static HRESULT WINAPI video_processor_GetStreamLimits(IMFTransform *iface, DWORD *input_minimum, DWORD *input_maximum,
DWORD *output_minimum, DWORD *output_maximum)
{
TRACE("%p, %p, %p, %p, %p.\n", iface, input_minimum, input_maximum, output_minimum, output_maximum);
*input_minimum = *input_maximum = *output_minimum = *output_maximum = 1;
return S_OK;
}
static HRESULT WINAPI video_processor_GetStreamCount(IMFTransform *iface, DWORD *inputs, DWORD *outputs)
{
TRACE("%p, %p, %p.\n", iface, inputs, outputs);
*inputs = *outputs = 1;
return S_OK;
}
static HRESULT WINAPI video_processor_GetStreamIDs(IMFTransform *iface, DWORD input_size, DWORD *inputs,
DWORD output_size, DWORD *outputs)
{
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_GetInputStreamInfo(IMFTransform *iface, DWORD id, MFT_INPUT_STREAM_INFO *info)
{
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_GetOutputStreamInfo(IMFTransform *iface, DWORD id, MFT_OUTPUT_STREAM_INFO *info)
{
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_GetAttributes(IMFTransform *iface, IMFAttributes **attributes)
{
struct video_processor *transform = impl_video_processor_from_IMFTransform(iface);
TRACE("%p, %p.\n", iface, attributes);
*attributes = transform->attributes;
IMFAttributes_AddRef(*attributes);
return S_OK;
}
static HRESULT WINAPI video_processor_GetInputStreamAttributes(IMFTransform *iface, DWORD id,
IMFAttributes **attributes)
{
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_GetOutputStreamAttributes(IMFTransform *iface, DWORD id,
IMFAttributes **attributes)
{
struct video_processor *transform = impl_video_processor_from_IMFTransform(iface);
TRACE("%p, %u, %p.\n", iface, id, attributes);
*attributes = transform->output_attributes;
IMFAttributes_AddRef(*attributes);
return S_OK;
}
static HRESULT WINAPI video_processor_DeleteInputStream(IMFTransform *iface, DWORD id)
{
TRACE("%p, %u.\n", iface, id);
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_AddInputStreams(IMFTransform *iface, DWORD streams, DWORD *ids)
{
TRACE("%p, %u, %p.\n", iface, streams, ids);
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_GetInputAvailableType(IMFTransform *iface, DWORD id, DWORD index,
IMFMediaType **type)
{
FIXME("%p, %u, %u, %p.\n", iface, id, index, type);
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_GetOutputAvailableType(IMFTransform *iface, DWORD id, DWORD index,
IMFMediaType **type)
{
FIXME("%p, %u, %u, %p.\n", iface, id, index, type);
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_SetInputType(IMFTransform *iface, DWORD id, IMFMediaType *type, DWORD flags)
{
FIXME("%p, %u, %p, %#x.\n", iface, id, type, flags);
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_SetOutputType(IMFTransform *iface, DWORD id, IMFMediaType *type, DWORD flags)
{
FIXME("%p, %u, %p, %#x.\n", iface, id, type, flags);
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_GetInputCurrentType(IMFTransform *iface, DWORD id, IMFMediaType **type)
{
FIXME("%p, %u, %p.\n", iface, id, type);
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_GetOutputCurrentType(IMFTransform *iface, DWORD id, IMFMediaType **type)
{
FIXME("%p, %u, %p.\n", iface, id, type);
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_GetInputStatus(IMFTransform *iface, DWORD id, DWORD *flags)
{
FIXME("%p, %u, %p.\n", iface, id, flags);
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_GetOutputStatus(IMFTransform *iface, DWORD *flags)
{
FIXME("%p, %p.\n", iface, flags);
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_SetOutputBounds(IMFTransform *iface, LONGLONG lower, LONGLONG upper)
{
FIXME("%p, %s, %s.\n", iface, wine_dbgstr_longlong(lower), wine_dbgstr_longlong(upper));
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_ProcessEvent(IMFTransform *iface, DWORD id, IMFMediaEvent *event)
{
TRACE("%p, %u, %p.\n", iface, id, event);
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_ProcessMessage(IMFTransform *iface, MFT_MESSAGE_TYPE message, ULONG_PTR param)
{
FIXME("%p, %u.\n", iface, message);
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_ProcessInput(IMFTransform *iface, DWORD id, IMFSample *sample, DWORD flags)
{
FIXME("%p, %u, %p, %#x.\n", iface, id, sample, flags);
return E_NOTIMPL;
}
static HRESULT WINAPI video_processor_ProcessOutput(IMFTransform *iface, DWORD flags, DWORD count,
MFT_OUTPUT_DATA_BUFFER *samples, DWORD *status)
{
FIXME("%p, %#x, %u, %p, %p.\n", iface, flags, count, samples, status);
return E_NOTIMPL;
}
static const IMFTransformVtbl video_processor_vtbl =
{
video_processor_QueryInterface,
video_processor_AddRef,
video_processor_Release,
video_processor_GetStreamLimits,
video_processor_GetStreamCount,
video_processor_GetStreamIDs,
video_processor_GetInputStreamInfo,
video_processor_GetOutputStreamInfo,
video_processor_GetAttributes,
video_processor_GetInputStreamAttributes,
video_processor_GetOutputStreamAttributes,
video_processor_DeleteInputStream,
video_processor_AddInputStreams,
video_processor_GetInputAvailableType,
video_processor_GetOutputAvailableType,
video_processor_SetInputType,
video_processor_SetOutputType,
video_processor_GetInputCurrentType,
video_processor_GetOutputCurrentType,
video_processor_GetInputStatus,
video_processor_GetOutputStatus,
video_processor_SetOutputBounds,
video_processor_ProcessEvent,
video_processor_ProcessMessage,
video_processor_ProcessInput,
video_processor_ProcessOutput,
};
struct class_factory
{
IClassFactory IClassFactory_iface;
LONG refcount;
HRESULT (*create_instance)(REFIID riid, void **obj);
};
static struct class_factory *impl_from_IClassFactory(IClassFactory *iface)
{
return CONTAINING_RECORD(iface, struct class_factory, IClassFactory_iface);
}
static HRESULT WINAPI class_factory_QueryInterface(IClassFactory *iface, REFIID riid, void **obj)
{
TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj);
if (IsEqualGUID(riid, &IID_IClassFactory) ||
IsEqualGUID(riid, &IID_IUnknown))
{
*obj = iface;
IClassFactory_AddRef(iface);
return S_OK;
}
WARN("%s is not supported.\n", debugstr_guid(riid));
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI class_factory_AddRef(IClassFactory *iface)
{
struct class_factory *factory = impl_from_IClassFactory(iface);
return InterlockedIncrement(&factory->refcount);
}
static ULONG WINAPI class_factory_Release(IClassFactory *iface)
{
struct class_factory *factory = impl_from_IClassFactory(iface);
ULONG refcount = InterlockedDecrement(&factory->refcount);
if (!refcount)
heap_free(factory);
return refcount;
}
static HRESULT WINAPI class_factory_CreateInstance(IClassFactory *iface, IUnknown *outer, REFIID riid, void **obj)
{
struct class_factory *factory = impl_from_IClassFactory(iface);
TRACE("%p, %p, %s, %p.\n", iface, outer, debugstr_guid(riid), obj);
if (outer)
{
*obj = NULL;
return CLASS_E_NOAGGREGATION;
}
return factory->create_instance(riid, obj);
}
static HRESULT WINAPI class_factory_LockServer(IClassFactory *iface, BOOL dolock)
{
TRACE("%p, %d.\n", iface, dolock);
if (dolock)
InterlockedIncrement(&object_locks);
else
InterlockedDecrement(&object_locks);
return S_OK;
}
static const IClassFactoryVtbl class_factory_vtbl =
{
class_factory_QueryInterface,
class_factory_AddRef,
class_factory_Release,
class_factory_CreateInstance,
class_factory_LockServer,
};
static HRESULT video_processor_create(REFIID riid, void **ret)
{
struct video_processor *object;
HRESULT hr;
if (!(object = heap_alloc_zero(sizeof(*object))))
return E_OUTOFMEMORY;
object->IMFTransform_iface.lpVtbl = &video_processor_vtbl;
object->refcount = 1;
if (FAILED(hr = MFCreateAttributes(&object->attributes, 0)))
goto failed;
if (FAILED(hr = MFCreateAttributes(&object->output_attributes, 0)))
goto failed;
*ret = &object->IMFTransform_iface;
return S_OK;
failed:
IMFTransform_Release(&object->IMFTransform_iface);
return hr;
}
static const GUID CLSID_GStreamerByteStreamHandler = {0x317df618, 0x5e5a, 0x468a, {0x9f, 0x15, 0xd8, 0x27, 0xa9, 0xa0, 0x81, 0x62}};
static const GUID CLSID_WINEAudioConverter = {0x6a170414,0xaad9,0x4693,{0xb8,0x06,0x3a,0x0c,0x47,0xc5,0x70,0xd6}};
static const struct class_object
{
const GUID *clsid;
HRESULT (*create_instance)(REFIID riid, void **obj);
}
class_objects[] =
{
{ &CLSID_VideoProcessorMFT, &video_processor_create },
{ &CLSID_GStreamerByteStreamHandler, &winegstreamer_stream_handler_create },
{ &CLSID_WINEAudioConverter, &audio_converter_create },
};
HRESULT mfplat_get_class_object(REFCLSID rclsid, REFIID riid, void **obj)
{
struct class_factory *factory;
unsigned int i;
HRESULT hr;
for (i = 0; i < ARRAY_SIZE(class_objects); ++i)
{
if (IsEqualGUID(class_objects[i].clsid, rclsid))
{
if (!(factory = heap_alloc(sizeof(*factory))))
return E_OUTOFMEMORY;
factory->IClassFactory_iface.lpVtbl = &class_factory_vtbl;
factory->refcount = 1;
factory->create_instance = class_objects[i].create_instance;
hr = IClassFactory_QueryInterface(&factory->IClassFactory_iface, riid, obj);
IClassFactory_Release(&factory->IClassFactory_iface);
return hr;
}
}
return CLASS_E_CLASSNOTAVAILABLE;
}
static WCHAR audio_converterW[] = {'A','u','d','i','o',' ','C','o','n','v','e','r','t','e','r',0};
static const GUID *audio_converter_supported_types[] =
{
&MFAudioFormat_PCM,
&MFAudioFormat_Float,
};
static const struct mft
{
const GUID *clsid;
const GUID *category;
LPWSTR name;
const UINT32 flags;
const GUID *major_type;
const UINT32 input_types_count;
const GUID **input_types;
const UINT32 output_types_count;
const GUID **output_types;
IMFAttributes *attributes;
}
mfts[] =
{
{
&CLSID_WINEAudioConverter,
&MFT_CATEGORY_AUDIO_EFFECT,
audio_converterW,
MFT_ENUM_FLAG_SYNCMFT,
&MFMediaType_Audio,
ARRAY_SIZE(audio_converter_supported_types),
audio_converter_supported_types,
ARRAY_SIZE(audio_converter_supported_types),
audio_converter_supported_types,
NULL
},
};
HRESULT mfplat_DllRegisterServer(void)
{
unsigned int i, j;
HRESULT hr;
MFT_REGISTER_TYPE_INFO input_types[2], output_types[2];
for (i = 0; i < ARRAY_SIZE(mfts); i++)
{
const struct mft *cur = &mfts[i];
for (j = 0; j < cur->input_types_count; j++)
{
input_types[j].guidMajorType = *(cur->major_type);
input_types[j].guidSubtype = *(cur->input_types[j]);
}
for (j = 0; j < cur->output_types_count; j++)
{
output_types[j].guidMajorType = *(cur->major_type);
output_types[j].guidSubtype = *(cur->output_types[j]);
}
hr = MFTRegister(*(cur->clsid), *(cur->category), cur->name, cur->flags, cur->input_types_count,
input_types, cur->output_types_count, output_types, cur->attributes);
if (FAILED(hr))
{
FIXME("Failed to register MFT, hr %#x\n", hr);
return hr;
}
}
return S_OK;
}
static const struct
{
const GUID *subtype;
GstVideoFormat format;
}
uncompressed_video_formats[] =
{
{&MFVideoFormat_ARGB32, GST_VIDEO_FORMAT_BGRA},
{&MFVideoFormat_RGB32, GST_VIDEO_FORMAT_BGRx},
{&MFVideoFormat_RGB24, GST_VIDEO_FORMAT_BGR},
{&MFVideoFormat_RGB565, GST_VIDEO_FORMAT_BGR16},
{&MFVideoFormat_RGB555, GST_VIDEO_FORMAT_BGR15},
};
/* returns NULL if doesn't match exactly */
IMFMediaType *mf_media_type_from_caps(const GstCaps *caps)
{
IMFMediaType *media_type;
GstStructure *info;
const char *mime_type;
if (TRACE_ON(mfplat))
{
gchar *human_readable = gst_caps_to_string(caps);
TRACE("caps = %s\n", debugstr_a(human_readable));
g_free(human_readable);
}
if (FAILED(MFCreateMediaType(&media_type)))
return NULL;
info = gst_caps_get_structure(caps, 0);
mime_type = gst_structure_get_name(info);
if (!strncmp(mime_type, "video", 5))
{
GstVideoInfo video_info;
if (!gst_video_info_from_caps(&video_info, caps))
{
return NULL;
}
IMFMediaType_SetGUID(media_type, &MF_MT_MAJOR_TYPE, &MFMediaType_Video);
IMFMediaType_SetUINT64(media_type, &MF_MT_FRAME_SIZE, ((UINT64)video_info.width << 32) | video_info.height);
IMFMediaType_SetUINT64(media_type, &MF_MT_FRAME_RATE, ((UINT64)video_info.fps_n << 32) | video_info.fps_d);
if (!strcmp(mime_type, "video/x-raw"))
{
GUID fourcc_subtype = MFVideoFormat_Base;
unsigned int i;
IMFMediaType_SetUINT32(media_type, &MF_MT_COMPRESSED, FALSE);
/* First try FOURCC */
if ((fourcc_subtype.Data1 = gst_video_format_to_fourcc(video_info.finfo->format)))
{
IMFMediaType_SetGUID(media_type, &MF_MT_SUBTYPE, &fourcc_subtype);
}
else
{
for (i = 0; i < ARRAY_SIZE(uncompressed_video_formats); i++)
{
if (uncompressed_video_formats[i].format == video_info.finfo->format)
{
IMFMediaType_SetGUID(media_type, &MF_MT_SUBTYPE, uncompressed_video_formats[i].subtype);
break;
}
}
if (i == ARRAY_SIZE(uncompressed_video_formats))
{
FIXME("Unrecognized uncompressed video format %s\n", gst_video_format_to_string(video_info.finfo->format));
IMFMediaType_Release(media_type);
return NULL;
}
}
}
else
{
FIXME("Unrecognized video format %s\n", mime_type);
return NULL;
}
}
else if (!strncmp(mime_type, "audio", 5))
{
gint rate, channels, bitrate;
guint64 channel_mask;
IMFMediaType_SetGUID(media_type, &MF_MT_MAJOR_TYPE, &MFMediaType_Audio);
if (gst_structure_get_int(info, "rate", &rate))
IMFMediaType_SetUINT32(media_type, &MF_MT_AUDIO_SAMPLES_PER_SECOND, rate);
if (gst_structure_get_int(info, "channels", &channels))
IMFMediaType_SetUINT32(media_type, &MF_MT_AUDIO_NUM_CHANNELS, channels);
if (gst_structure_get(info, "channel-mask", GST_TYPE_BITMASK, &channel_mask, NULL))
IMFMediaType_SetUINT32(media_type, &MF_MT_AUDIO_CHANNEL_MASK, channel_mask);
if (gst_structure_get_int(info, "bitrate", &bitrate))
IMFMediaType_SetUINT32(media_type, &MF_MT_AVG_BITRATE, bitrate);
if (!strcmp(mime_type, "audio/x-raw"))
{
GstAudioInfo audio_info;
DWORD depth;
if (!gst_audio_info_from_caps(&audio_info, caps))
{
ERR("Failed to get caps audio info\n");
IMFMediaType_Release(media_type);
return NULL;
}
depth = GST_AUDIO_INFO_DEPTH(&audio_info);
/* validation */
if ((audio_info.finfo->flags & GST_AUDIO_FORMAT_FLAG_INTEGER && depth > 8) ||
(audio_info.finfo->flags & GST_AUDIO_FORMAT_FLAG_SIGNED && depth <= 8) ||
(audio_info.finfo->endianness != G_LITTLE_ENDIAN && depth > 8))
{
IMFMediaType_Release(media_type);
return NULL;
}
/* conversion */
switch (audio_info.finfo->flags)
{
case GST_AUDIO_FORMAT_FLAG_FLOAT:
IMFMediaType_SetGUID(media_type, &MF_MT_SUBTYPE, &MFAudioFormat_Float);
break;
case GST_AUDIO_FORMAT_FLAG_INTEGER:
case GST_AUDIO_FORMAT_FLAG_SIGNED:
IMFMediaType_SetGUID(media_type, &MF_MT_SUBTYPE, &MFAudioFormat_PCM);
break;
default:
FIXME("Unrecognized audio format %x\n", audio_info.finfo->format);
IMFMediaType_Release(media_type);
return NULL;
}
IMFMediaType_SetUINT32(media_type, &MF_MT_AUDIO_BITS_PER_SAMPLE, depth);
}
else
{
FIXME("Unrecognized audio format %s\n", mime_type);
IMFMediaType_Release(media_type);
return NULL;
}
}
else
{
IMFMediaType_Release(media_type);
return NULL;
}
return media_type;
}
GstCaps *caps_from_mf_media_type(IMFMediaType *type)
{
GUID major_type;
GUID subtype;
GstCaps *output = NULL;
if (FAILED(IMFMediaType_GetMajorType(type, &major_type)))
return NULL;
if (FAILED(IMFMediaType_GetGUID(type, &MF_MT_SUBTYPE, &subtype)))
return NULL;
if (IsEqualGUID(&major_type, &MFMediaType_Video))
{
UINT64 frame_rate = 0, frame_size = 0;
DWORD width, height;
GstVideoFormat format = GST_VIDEO_FORMAT_UNKNOWN;
GUID subtype_base;
GstVideoInfo info;
unsigned int i;
if (FAILED(IMFMediaType_GetUINT64(type, &MF_MT_FRAME_SIZE, &frame_size)))
return NULL;
width = frame_size >> 32;
height = frame_size;
output = gst_caps_new_empty_simple("video/x-raw");
for (i = 0; i < ARRAY_SIZE(uncompressed_video_formats); i++)
{
if (IsEqualGUID(uncompressed_video_formats[i].subtype, &subtype))
{
format = uncompressed_video_formats[i].format;
break;
}
}
subtype_base = subtype;
subtype_base.Data1 = 0;
if (format == GST_VIDEO_FORMAT_UNKNOWN && IsEqualGUID(&MFVideoFormat_Base, &subtype_base))
format = gst_video_format_from_fourcc(subtype.Data1);
if (format == GST_VIDEO_FORMAT_UNKNOWN)
{
FIXME("Unrecognized format %s\n", debugstr_guid(&subtype));
return NULL;
}
gst_video_info_set_format(&info, format, width, height);
output = gst_video_info_to_caps(&info);
if (frame_size)
{
gst_caps_set_simple(output, "width", G_TYPE_INT, width, NULL);
gst_caps_set_simple(output, "height", G_TYPE_INT, height, NULL);
}
if (SUCCEEDED(IMFMediaType_GetUINT64(type, &MF_MT_FRAME_RATE, &frame_rate)))
{
/* Darksiders: Warmastered Edition uses a MF_MT_FRAME_RATE of 0,
and gstreamer won't accept an undefined number as the framerate. */
if (!(DWORD32)frame_rate)
frame_rate = 1;
gst_caps_set_simple(output, "framerate", GST_TYPE_FRACTION, (DWORD32)(frame_rate >> 32), (DWORD32) frame_rate, NULL);
}
return output;
}
else if (IsEqualGUID(&major_type, &MFMediaType_Audio))
{
DWORD rate = -1, channels = -1, channel_mask = -1;
if (FAILED(IMFMediaType_GetUINT32(type, &MF_MT_AUDIO_SAMPLES_PER_SECOND, &rate)))
{
ERR("Sample rate not set.\n");
return NULL;
}
if (FAILED(IMFMediaType_GetUINT32(type, &MF_MT_AUDIO_NUM_CHANNELS, &channels)))
{
ERR("Channel count not set.\n");
return NULL;
}
IMFMediaType_GetUINT32(type, &MF_MT_AUDIO_CHANNEL_MASK, &channel_mask);
if (IsEqualGUID(&subtype, &MFAudioFormat_Float))
{
GstAudioInfo float_info;
gst_audio_info_set_format(&float_info, GST_AUDIO_FORMAT_F32LE, rate, channels, NULL);
output = gst_audio_info_to_caps(&float_info);
}
else if (IsEqualGUID(&subtype, &MFAudioFormat_PCM))
{
GstAudioFormat pcm_format;
GstAudioInfo pcm_info;
DWORD bits_per_sample;
if (SUCCEEDED(IMFMediaType_GetUINT32(type, &MF_MT_AUDIO_BITS_PER_SAMPLE, &bits_per_sample)))
{
pcm_format = gst_audio_format_build_integer(bits_per_sample > 8, G_LITTLE_ENDIAN, bits_per_sample, bits_per_sample);
gst_audio_info_set_format(&pcm_info, pcm_format, rate, channels, NULL);
output = gst_audio_info_to_caps(&pcm_info);
}
else
{
ERR("Bits per sample not set.\n");
return NULL;
}
}
else
{
FIXME("Unrecognized subtype %s\n", debugstr_guid(&subtype));
return NULL;
}
if (channel_mask != -1)
gst_caps_set_simple(output, "channel-mask", GST_TYPE_BITMASK, (guint64) channel_mask, NULL);
return output;
}
FIXME("Unrecognized major type %s\n", debugstr_guid(&major_type));
return NULL;
}
/* IMFSample = GstBuffer
IMFBuffer = GstMemory */
/* TODO: Future optimization could be to create a custom
IMFMediaBuffer wrapper around GstMemory, and to utilize
gst_memory_new_wrapped on IMFMediaBuffer data. However,
this wouldn't work if we allow the callers to allocate
the buffers. */
IMFSample* mf_sample_from_gst_buffer(GstBuffer *gst_buffer)
{
IMFMediaBuffer *mf_buffer = NULL;
GstMapInfo map_info = {0};
LONGLONG duration, time;
BYTE *mapped_buf = NULL;
IMFSample *out = NULL;
HRESULT hr;
if (FAILED(hr = MFCreateSample(&out)))
goto done;
duration = GST_BUFFER_DURATION(gst_buffer);
time = GST_BUFFER_PTS(gst_buffer);
if (FAILED(hr = IMFSample_SetSampleDuration(out, duration / 100)))
goto done;
if (FAILED(hr = IMFSample_SetSampleTime(out, time / 100)))
goto done;
if (!gst_buffer_map(gst_buffer, &map_info, GST_MAP_READ))
{
hr = E_FAIL;
goto done;
}
if (FAILED(hr = MFCreateMemoryBuffer(map_info.maxsize, &mf_buffer)))
goto done;
if (FAILED(hr = IMFMediaBuffer_Lock(mf_buffer, &mapped_buf, NULL, NULL)))
goto done;
memcpy(mapped_buf, map_info.data, map_info.size);
if (FAILED(hr = IMFMediaBuffer_Unlock(mf_buffer)))
goto done;
if (FAILED(hr = IMFMediaBuffer_SetCurrentLength(mf_buffer, map_info.size)))
goto done;
if (FAILED(hr = IMFSample_AddBuffer(out, mf_buffer)))
goto done;
done:
if (mf_buffer)
IMFMediaBuffer_Release(mf_buffer);
if (map_info.data)
gst_buffer_unmap(gst_buffer, &map_info);
if (FAILED(hr))
{
ERR("Failed to copy IMFSample to GstBuffer, hr = %#x\n", hr);
if (out)
IMFSample_Release(out);
out = NULL;
}
return out;
}
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