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mfreadwrite/reader: Introduce a new source_reader_allocate_stream_sample helper.

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Rémi Bernon 2024-01-23 22:16:10 +01:00 committed by Alexandre Julliard
parent dd6e8198e0
commit 8946e6df7e
1 changed files with 28 additions and 23 deletions
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51
dlls/mfreadwrite/reader.c
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@ -655,42 +655,47 @@ static ULONG WINAPI source_reader_stream_events_callback_Release(IMFAsyncCallbac
return source_reader_release(reader);
}
static HRESULT source_reader_allocate_stream_sample(MFT_OUTPUT_STREAM_INFO *info, IMFSample **out)
{
IMFMediaBuffer *buffer;
IMFSample *sample;
HRESULT hr;
*out = NULL;
if (FAILED(hr = MFCreateSample(&sample)))
return hr;
if (SUCCEEDED(hr = MFCreateAlignedMemoryBuffer(info->cbSize, info->cbAlignment, &buffer)))
{
if (SUCCEEDED(hr = IMFSample_AddBuffer(sample, buffer)))
{
*out = sample;
IMFSample_AddRef(sample);
}
IMFMediaBuffer_Release(buffer);
}
IMFSample_Release(sample);
return hr;
}
static HRESULT source_reader_pull_transform_samples(struct source_reader *reader, struct media_stream *stream,
struct transform_entry *entry)
{
MFT_OUTPUT_STREAM_INFO stream_info = { 0 };
MFT_OUTPUT_DATA_BUFFER out_buffer;
unsigned int buffer_size;
IMFMediaBuffer *buffer;
DWORD status;
HRESULT hr;
if (FAILED(hr = IMFTransform_GetOutputStreamInfo(entry->transform, 0, &stream_info)))
{
WARN("Failed to get output stream info, hr %#lx.\n", hr);
return hr;
}
stream_info.cbSize = max(stream_info.cbSize, entry->min_buffer_size);
for (;;)
{
memset(&out_buffer, 0, sizeof(out_buffer));
MFT_OUTPUT_DATA_BUFFER out_buffer = {0};
if (!(stream_info.dwFlags & (MFT_OUTPUT_STREAM_PROVIDES_SAMPLES | MFT_OUTPUT_STREAM_CAN_PROVIDE_SAMPLES)))
{
if (FAILED(hr = MFCreateSample(&out_buffer.pSample)))
break;
buffer_size = max(stream_info.cbSize, entry->min_buffer_size);
if (FAILED(hr = MFCreateAlignedMemoryBuffer(buffer_size, stream_info.cbAlignment, &buffer)))
{
IMFSample_Release(out_buffer.pSample);
break;
}
IMFSample_AddBuffer(out_buffer.pSample, buffer);
IMFMediaBuffer_Release(buffer);
}
if (!(stream_info.dwFlags & (MFT_OUTPUT_STREAM_PROVIDES_SAMPLES | MFT_OUTPUT_STREAM_CAN_PROVIDE_SAMPLES))
&& FAILED(hr = source_reader_allocate_stream_sample(&stream_info, &out_buffer.pSample)))
break;
if (FAILED(hr = IMFTransform_ProcessOutput(entry->transform, 0, 1, &out_buffer, &status)))
{