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/* H264 Decoder Transform
*
* Copyright 2022 Rémi Bernon 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 "gst_private.h"
#include "mfapi.h"
#include "mferror.h"
#include "mfobjects.h"
#include "mftransform.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(mfplat);
WINE_DECLARE_DEBUG_CHANNEL(winediag);
static const GUID *const h264_decoder_input_types[] =
{
&MFVideoFormat_H264,
&MFVideoFormat_H264_ES,
};
static const GUID *const h264_decoder_output_types[] =
{
&MFVideoFormat_NV12,
&MFVideoFormat_YV12,
&MFVideoFormat_IYUV,
&MFVideoFormat_I420,
&MFVideoFormat_YUY2,
};
struct h264_decoder
{
IMFTransform IMFTransform_iface;
LONG refcount;
IMFMediaType *input_type;
IMFMediaType *output_type;
struct wg_transform *wg_transform;
};
static struct h264_decoder *impl_from_IMFTransform(IMFTransform *iface)
{
return CONTAINING_RECORD(iface, struct h264_decoder, IMFTransform_iface);
}
static HRESULT try_create_wg_transform(struct h264_decoder *decoder)
{
struct wg_format input_format;
struct wg_format output_format;
if (decoder->wg_transform)
wg_transform_destroy(decoder->wg_transform);
decoder->wg_transform = NULL;
mf_media_type_to_wg_format(decoder->input_type, &input_format);
if (input_format.major_type == WG_MAJOR_TYPE_UNKNOWN)
return MF_E_INVALIDMEDIATYPE;
mf_media_type_to_wg_format(decoder->output_type, &output_format);
if (output_format.major_type == WG_MAJOR_TYPE_UNKNOWN)
return MF_E_INVALIDMEDIATYPE;
if (!(decoder->wg_transform = wg_transform_create(&input_format, &output_format)))
return E_FAIL;
return S_OK;
}
static HRESULT fill_output_media_type(IMFMediaType *media_type, IMFMediaType *default_type)
{
UINT32 value, width, height;
UINT64 ratio;
GUID subtype;
HRESULT hr;
if (FAILED(hr = IMFMediaType_GetGUID(media_type, &MF_MT_SUBTYPE, &subtype)))
return hr;
if (FAILED(hr = IMFMediaType_GetUINT64(media_type, &MF_MT_FRAME_SIZE, &ratio)))
{
if (!default_type || FAILED(hr = IMFMediaType_GetUINT64(default_type, &MF_MT_FRAME_SIZE, &ratio)))
ratio = (UINT64)1920 << 32 | 1080;
if (FAILED(hr = IMFMediaType_SetUINT64(media_type, &MF_MT_FRAME_SIZE, ratio)))
return hr;
}
width = ratio >> 32;
height = ratio;
if (FAILED(hr = IMFMediaType_GetItem(media_type, &MF_MT_FRAME_RATE, NULL)))
{
if (!default_type || FAILED(hr = IMFMediaType_GetUINT64(default_type, &MF_MT_FRAME_RATE, &ratio)))
ratio = (UINT64)30000 << 32 | 1001;
if (FAILED(hr = IMFMediaType_SetUINT64(media_type, &MF_MT_FRAME_RATE, ratio)))
return hr;
}
if (FAILED(hr = IMFMediaType_GetItem(media_type, &MF_MT_PIXEL_ASPECT_RATIO, NULL)))
{
if (!default_type || FAILED(hr = IMFMediaType_GetUINT64(default_type, &MF_MT_PIXEL_ASPECT_RATIO, &ratio)))
ratio = (UINT64)1 << 32 | 1;
if (FAILED(hr = IMFMediaType_SetUINT64(media_type, &MF_MT_PIXEL_ASPECT_RATIO, ratio)))
return hr;
}
if (FAILED(hr = IMFMediaType_GetItem(media_type, &MF_MT_SAMPLE_SIZE, NULL)))
{
if ((!default_type || FAILED(hr = IMFMediaType_GetUINT32(default_type, &MF_MT_SAMPLE_SIZE, &value))) &&
FAILED(hr = MFCalculateImageSize(&subtype, width, height, &value)))
return hr;
if (FAILED(hr = IMFMediaType_SetUINT32(media_type, &MF_MT_SAMPLE_SIZE, value)))
return hr;
}
if (FAILED(hr = IMFMediaType_GetItem(media_type, &MF_MT_DEFAULT_STRIDE, NULL)))
{
if ((!default_type || FAILED(hr = IMFMediaType_GetUINT32(default_type, &MF_MT_DEFAULT_STRIDE, &value))) &&
FAILED(hr = MFGetStrideForBitmapInfoHeader(subtype.Data1, width, (LONG *)&value)))
return hr;
if (FAILED(hr = IMFMediaType_SetUINT32(media_type, &MF_MT_DEFAULT_STRIDE, value)))
return hr;
}
if (FAILED(hr = IMFMediaType_GetItem(media_type, &MF_MT_INTERLACE_MODE, NULL)))
{
if (!default_type || FAILED(hr = IMFMediaType_GetUINT32(default_type, &MF_MT_INTERLACE_MODE, &value)))
value = MFVideoInterlace_MixedInterlaceOrProgressive;
if (FAILED(hr = IMFMediaType_SetUINT32(media_type, &MF_MT_INTERLACE_MODE, value)))
return hr;
}
if (FAILED(hr = IMFMediaType_GetItem(media_type, &MF_MT_ALL_SAMPLES_INDEPENDENT, NULL)))
{
if (!default_type || FAILED(hr = IMFMediaType_GetUINT32(default_type, &MF_MT_ALL_SAMPLES_INDEPENDENT, &value)))
value = 1;
if (FAILED(hr = IMFMediaType_SetUINT32(media_type, &MF_MT_ALL_SAMPLES_INDEPENDENT, value)))
return hr;
}
if (FAILED(hr = IMFMediaType_GetItem(media_type, &MF_MT_VIDEO_ROTATION, NULL)))
{
if (!default_type || FAILED(hr = IMFMediaType_GetUINT32(default_type, &MF_MT_VIDEO_ROTATION, &value)))
value = 0;
if (FAILED(hr = IMFMediaType_SetUINT32(media_type, &MF_MT_VIDEO_ROTATION, value)))
return hr;
}
if (FAILED(hr = IMFMediaType_GetItem(media_type, &MF_MT_FIXED_SIZE_SAMPLES, NULL)))
{
if (!default_type || FAILED(hr = IMFMediaType_GetUINT32(default_type, &MF_MT_FIXED_SIZE_SAMPLES, &value)))
value = 1;
if (FAILED(hr = IMFMediaType_SetUINT32(media_type, &MF_MT_FIXED_SIZE_SAMPLES, value)))
return hr;
}
return S_OK;
}
static HRESULT WINAPI transform_QueryInterface(IMFTransform *iface, REFIID iid, void **out)
{
struct h264_decoder *decoder = impl_from_IMFTransform(iface);
TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
if (IsEqualGUID(iid, &IID_IUnknown) ||
IsEqualGUID(iid, &IID_IMFTransform))
*out = &decoder->IMFTransform_iface;
else
{
*out = NULL;
WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown *)*out);
return S_OK;
}
static ULONG WINAPI transform_AddRef(IMFTransform *iface)
{
struct h264_decoder *decoder = impl_from_IMFTransform(iface);
ULONG refcount = InterlockedIncrement(&decoder->refcount);
TRACE("iface %p increasing refcount to %lu.\n", decoder, refcount);
return refcount;
}
static ULONG WINAPI transform_Release(IMFTransform *iface)
{
struct h264_decoder *decoder = impl_from_IMFTransform(iface);
ULONG refcount = InterlockedDecrement(&decoder->refcount);
TRACE("iface %p decreasing refcount to %lu.\n", decoder, refcount);
if (!refcount)
{
if (decoder->wg_transform)
wg_transform_destroy(decoder->wg_transform);
if (decoder->input_type)
IMFMediaType_Release(decoder->input_type);
if (decoder->output_type)
IMFMediaType_Release(decoder->output_type);
free(decoder);
}
return refcount;
}
static HRESULT WINAPI transform_GetStreamLimits(IMFTransform *iface, DWORD *input_minimum,
DWORD *input_maximum, DWORD *output_minimum, DWORD *output_maximum)
{
FIXME("iface %p, input_minimum %p, input_maximum %p, output_minimum %p, output_maximum %p stub!\n",
iface, input_minimum, input_maximum, output_minimum, output_maximum);
return E_NOTIMPL;
}
static HRESULT WINAPI transform_GetStreamCount(IMFTransform *iface, DWORD *inputs, DWORD *outputs)
{
FIXME("iface %p, inputs %p, outputs %p stub!\n", iface, inputs, outputs);
return E_NOTIMPL;
}
static HRESULT WINAPI transform_GetStreamIDs(IMFTransform *iface, DWORD input_size,
DWORD *inputs, DWORD output_size, DWORD *outputs)
{
FIXME("iface %p, input_size %lu, inputs %p, output_size %lu, outputs %p stub!\n", iface,
input_size, inputs, output_size, outputs);
return E_NOTIMPL;
}
static HRESULT WINAPI transform_GetInputStreamInfo(IMFTransform *iface, DWORD id, MFT_INPUT_STREAM_INFO *info)
{
struct h264_decoder *decoder = impl_from_IMFTransform(iface);
TRACE("iface %p, id %#lx, info %p.\n", iface, id, info);
if (!decoder->input_type)
return MF_E_TRANSFORM_TYPE_NOT_SET;
info->hnsMaxLatency = 0;
info->dwFlags = MFT_INPUT_STREAM_WHOLE_SAMPLES | MFT_INPUT_STREAM_SINGLE_SAMPLE_PER_BUFFER | MFT_INPUT_STREAM_FIXED_SAMPLE_SIZE;
info->cbSize = 0x1000;
info->cbMaxLookahead = 0;
info->cbAlignment = 0;
return S_OK;
}
static HRESULT WINAPI transform_GetOutputStreamInfo(IMFTransform *iface, DWORD id, MFT_OUTPUT_STREAM_INFO *info)
{
struct h264_decoder *decoder = impl_from_IMFTransform(iface);
UINT32 sample_size;
UINT64 frame_size;
TRACE("iface %p, id %#lx, info %p.\n", iface, id, info);
if (!decoder->output_type)
sample_size = 1920 * 1088 * 2;
else if (FAILED(IMFMediaType_GetUINT32(decoder->output_type, &MF_MT_SAMPLE_SIZE, &sample_size)))
{
if (FAILED(IMFMediaType_GetUINT64(decoder->output_type, &MF_MT_FRAME_SIZE, &frame_size)))
sample_size = 1920 * 1088 * 2;
else
sample_size = (frame_size >> 32) * (UINT32)frame_size * 2;
}
info->dwFlags = MFT_OUTPUT_STREAM_WHOLE_SAMPLES | MFT_OUTPUT_STREAM_SINGLE_SAMPLE_PER_BUFFER | MFT_OUTPUT_STREAM_FIXED_SAMPLE_SIZE;
info->cbSize = sample_size;
info->cbAlignment = 0;
return S_OK;
}
static HRESULT WINAPI transform_GetAttributes(IMFTransform *iface, IMFAttributes **attributes)
{
FIXME("iface %p, attributes %p stub!\n", iface, attributes);
return MFCreateAttributes(attributes, 0);
}
static HRESULT WINAPI transform_GetInputStreamAttributes(IMFTransform *iface, DWORD id, IMFAttributes **attributes)
{
FIXME("iface %p, id %#lx, attributes %p stub!\n", iface, id, attributes);
return E_NOTIMPL;
}
static HRESULT WINAPI transform_GetOutputStreamAttributes(IMFTransform *iface, DWORD id,
IMFAttributes **attributes)
{
FIXME("iface %p, id %#lx, attributes %p stub!\n", iface, id, attributes);
return E_NOTIMPL;
}
static HRESULT WINAPI transform_DeleteInputStream(IMFTransform *iface, DWORD id)
{
FIXME("iface %p, id %#lx stub!\n", iface, id);
return E_NOTIMPL;
}
static HRESULT WINAPI transform_AddInputStreams(IMFTransform *iface, DWORD streams, DWORD *ids)
{
FIXME("iface %p, streams %lu, ids %p stub!\n", iface, streams, ids);
return E_NOTIMPL;
}
static HRESULT WINAPI transform_GetInputAvailableType(IMFTransform *iface, DWORD id, DWORD index,
IMFMediaType **type)
{
IMFMediaType *media_type;
const GUID *subtype;
HRESULT hr;
TRACE("iface %p, id %#lx, index %#lx, type %p.\n", iface, id, index, type);
*type = NULL;
if (index >= ARRAY_SIZE(h264_decoder_input_types))
return MF_E_NO_MORE_TYPES;
subtype = h264_decoder_input_types[index];
if (FAILED(hr = MFCreateMediaType(&media_type)))
return hr;
if (SUCCEEDED(hr = IMFMediaType_SetGUID(media_type, &MF_MT_MAJOR_TYPE, &MFMediaType_Video)) &&
SUCCEEDED(hr = IMFMediaType_SetGUID(media_type, &MF_MT_SUBTYPE, subtype)))
IMFMediaType_AddRef((*type = media_type));
IMFMediaType_Release(media_type);
return hr;
}
static HRESULT WINAPI transform_GetOutputAvailableType(IMFTransform *iface, DWORD id,
DWORD index, IMFMediaType **type)
{
struct h264_decoder *decoder = impl_from_IMFTransform(iface);
IMFMediaType *media_type;
const GUID *output_type;
HRESULT hr;
TRACE("iface %p, id %#lx, index %#lx, type %p.\n", iface, id, index, type);
if (!decoder->input_type)
return MF_E_TRANSFORM_TYPE_NOT_SET;
*type = NULL;
if (index >= ARRAY_SIZE(h264_decoder_output_types))
return MF_E_NO_MORE_TYPES;
output_type = h264_decoder_output_types[index];
if (FAILED(hr = MFCreateMediaType(&media_type)))
return hr;
if (FAILED(hr = IMFMediaType_SetGUID(media_type, &MF_MT_MAJOR_TYPE, &MFMediaType_Video)))
goto done;
if (FAILED(hr = IMFMediaType_SetGUID(media_type, &MF_MT_SUBTYPE, output_type)))
goto done;
hr = fill_output_media_type(media_type, NULL);
done:
if (SUCCEEDED(hr))
IMFMediaType_AddRef((*type = media_type));
IMFMediaType_Release(media_type);
return hr;
}
static HRESULT WINAPI transform_SetInputType(IMFTransform *iface, DWORD id, IMFMediaType *type, DWORD flags)
{
struct h264_decoder *decoder = impl_from_IMFTransform(iface);
GUID major, subtype;
HRESULT hr;
ULONG i;
TRACE("iface %p, id %#lx, type %p, flags %#lx.\n", iface, id, type, flags);
if (FAILED(hr = IMFMediaType_GetGUID(type, &MF_MT_MAJOR_TYPE, &major)) ||
FAILED(hr = IMFMediaType_GetGUID(type, &MF_MT_SUBTYPE, &subtype)))
return E_INVALIDARG;
if (!IsEqualGUID(&major, &MFMediaType_Video))
return MF_E_INVALIDMEDIATYPE;
for (i = 0; i < ARRAY_SIZE(h264_decoder_input_types); ++i)
if (IsEqualGUID(&subtype, h264_decoder_input_types[i]))
break;
if (i == ARRAY_SIZE(h264_decoder_input_types))
return MF_E_INVALIDMEDIATYPE;
if (decoder->output_type)
{
IMFMediaType_Release(decoder->output_type);
decoder->output_type = NULL;
}
if (decoder->input_type)
IMFMediaType_Release(decoder->input_type);
IMFMediaType_AddRef((decoder->input_type = type));
return S_OK;
}
static HRESULT WINAPI transform_SetOutputType(IMFTransform *iface, DWORD id, IMFMediaType *type, DWORD flags)
{
struct h264_decoder *decoder = impl_from_IMFTransform(iface);
GUID major, subtype;
HRESULT hr;
ULONG i;
TRACE("iface %p, id %#lx, type %p, flags %#lx.\n", iface, id, type, flags);
if (!decoder->input_type)
return MF_E_TRANSFORM_TYPE_NOT_SET;
if (FAILED(hr = IMFMediaType_GetGUID(type, &MF_MT_MAJOR_TYPE, &major)) ||
FAILED(hr = IMFMediaType_GetGUID(type, &MF_MT_SUBTYPE, &subtype)))
return hr;
if (!IsEqualGUID(&major, &MFMediaType_Video))
return MF_E_INVALIDMEDIATYPE;
for (i = 0; i < ARRAY_SIZE(h264_decoder_output_types); ++i)
if (IsEqualGUID(&subtype, h264_decoder_output_types[i]))
break;
if (i == ARRAY_SIZE(h264_decoder_output_types))
return MF_E_INVALIDMEDIATYPE;
if (decoder->output_type)
IMFMediaType_Release(decoder->output_type);
IMFMediaType_AddRef((decoder->output_type = type));
if (FAILED(hr = try_create_wg_transform(decoder)))
{
IMFMediaType_Release(decoder->output_type);
decoder->output_type = NULL;
}
return hr;
}
static HRESULT WINAPI transform_GetInputCurrentType(IMFTransform *iface, DWORD id, IMFMediaType **type)
{
FIXME("iface %p, id %#lx, type %p stub!\n", iface, id, type);
return E_NOTIMPL;
}
static HRESULT WINAPI transform_GetOutputCurrentType(IMFTransform *iface, DWORD id, IMFMediaType **type)
{
struct h264_decoder *decoder = impl_from_IMFTransform(iface);
HRESULT hr;
FIXME("iface %p, id %#lx, type %p stub!\n", iface, id, type);
if (!decoder->output_type)
return MF_E_TRANSFORM_TYPE_NOT_SET;
if (FAILED(hr = MFCreateMediaType(type)))
return hr;
return IMFMediaType_CopyAllItems(decoder->output_type, (IMFAttributes *)*type);
}
static HRESULT WINAPI transform_GetInputStatus(IMFTransform *iface, DWORD id, DWORD *flags)
{
FIXME("iface %p, id %#lx, flags %p stub!\n", iface, id, flags);
return E_NOTIMPL;
}
static HRESULT WINAPI transform_GetOutputStatus(IMFTransform *iface, DWORD *flags)
{
FIXME("iface %p, flags %p stub!\n", iface, flags);
return E_NOTIMPL;
}
static HRESULT WINAPI transform_SetOutputBounds(IMFTransform *iface, LONGLONG lower, LONGLONG upper)
{
FIXME("iface %p, lower %I64d, upper %I64d stub!\n", iface, lower, upper);
return E_NOTIMPL;
}
static HRESULT WINAPI transform_ProcessEvent(IMFTransform *iface, DWORD id, IMFMediaEvent *event)
{
FIXME("iface %p, id %#lx, event %p stub!\n", iface, id, event);
return E_NOTIMPL;
}
static HRESULT WINAPI transform_ProcessMessage(IMFTransform *iface, MFT_MESSAGE_TYPE message, ULONG_PTR param)
{
FIXME("iface %p, message %#x, param %Ix stub!\n", iface, message, param);
return S_OK;
}
static HRESULT WINAPI transform_ProcessInput(IMFTransform *iface, DWORD id, IMFSample *sample, DWORD flags)
{
struct h264_decoder *decoder = impl_from_IMFTransform(iface);
struct wg_sample *wg_sample;
MFT_INPUT_STREAM_INFO info;
HRESULT hr;
TRACE("iface %p, id %#lx, sample %p, flags %#lx.\n", iface, id, sample, flags);
if (FAILED(hr = IMFTransform_GetInputStreamInfo(iface, 0, &info)))
return hr;
if (!decoder->wg_transform)
return MF_E_TRANSFORM_TYPE_NOT_SET;
if (FAILED(hr = mf_create_wg_sample(sample, &wg_sample)))
return hr;
hr = wg_transform_push_data(decoder->wg_transform, wg_sample);
mf_destroy_wg_sample(wg_sample);
return hr;
}
static HRESULT WINAPI transform_ProcessOutput(IMFTransform *iface, DWORD flags, DWORD count,
MFT_OUTPUT_DATA_BUFFER *samples, DWORD *status)
{
struct h264_decoder *decoder = impl_from_IMFTransform(iface);
MFT_OUTPUT_STREAM_INFO info;
struct wg_sample *wg_sample;
HRESULT hr;
TRACE("iface %p, flags %#lx, count %lu, samples %p, status %p.\n", iface, flags, count, samples, status);
if (count != 1)
return E_INVALIDARG;
if (FAILED(hr = IMFTransform_GetOutputStreamInfo(iface, 0, &info)))
return hr;
if (!decoder->wg_transform)
return MF_E_TRANSFORM_TYPE_NOT_SET;
*status = 0;
samples[0].dwStatus = 0;
if (!samples[0].pSample) return E_INVALIDARG;
if (FAILED(hr = mf_create_wg_sample(samples[0].pSample, &wg_sample)))
return hr;
if (wg_sample->max_size < info.cbSize)
hr = MF_E_BUFFERTOOSMALL;
else
hr = wg_transform_read_data(decoder->wg_transform, wg_sample);
mf_destroy_wg_sample(wg_sample);
return hr;
}
static const IMFTransformVtbl transform_vtbl =
{
transform_QueryInterface,
transform_AddRef,
transform_Release,
transform_GetStreamLimits,
transform_GetStreamCount,
transform_GetStreamIDs,
transform_GetInputStreamInfo,
transform_GetOutputStreamInfo,
transform_GetAttributes,
transform_GetInputStreamAttributes,
transform_GetOutputStreamAttributes,
transform_DeleteInputStream,
transform_AddInputStreams,
transform_GetInputAvailableType,
transform_GetOutputAvailableType,
transform_SetInputType,
transform_SetOutputType,
transform_GetInputCurrentType,
transform_GetOutputCurrentType,
transform_GetInputStatus,
transform_GetOutputStatus,
transform_SetOutputBounds,
transform_ProcessEvent,
transform_ProcessMessage,
transform_ProcessInput,
transform_ProcessOutput,
};
HRESULT h264_decoder_create(REFIID riid, void **ret)
{
static const struct wg_format output_format =
{
.major_type = WG_MAJOR_TYPE_VIDEO,
.u.video =
{
.format = WG_VIDEO_FORMAT_I420,
.width = 1920,
.height = 1080,
},
};
static const struct wg_format input_format = {.major_type = WG_MAJOR_TYPE_H264};
struct wg_transform *transform;
struct h264_decoder *decoder;
TRACE("riid %s, ret %p.\n", debugstr_guid(riid), ret);
if (!(transform = wg_transform_create(&input_format, &output_format)))
{
ERR_(winediag)("GStreamer doesn't support H.264 decoding, please install appropriate plugins\n");
return E_FAIL;
}
wg_transform_destroy(transform);
if (!(decoder = calloc(1, sizeof(*decoder))))
return E_OUTOFMEMORY;
decoder->IMFTransform_iface.lpVtbl = &transform_vtbl;
decoder->refcount = 1;
*ret = &decoder->IMFTransform_iface;
TRACE("Created decoder %p\n", *ret);
return S_OK;
}
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