From: Anton Baskanov baskanov@gmail.com
This is required to avoid glitches when seeking, as some formats (e.g. MP3) may use data from previous frames. --- dlls/winegstreamer/unixlib.h | 1 + dlls/winegstreamer/wg_sample.c | 8 ++++++++ dlls/winegstreamer/wg_transform.c | 4 ++++ 3 files changed, 13 insertions(+)
diff --git a/dlls/winegstreamer/unixlib.h b/dlls/winegstreamer/unixlib.h index be76d366cae..09aa68eb4cc 100644 --- a/dlls/winegstreamer/unixlib.h +++ b/dlls/winegstreamer/unixlib.h @@ -135,6 +135,7 @@ enum wg_sample_flag WG_SAMPLE_FLAG_HAS_PTS = 2, WG_SAMPLE_FLAG_HAS_DURATION = 4, WG_SAMPLE_FLAG_SYNC_POINT = 8, + WG_SAMPLE_FLAG_DISCONTINUITY = 0x10, };
struct wg_sample diff --git a/dlls/winegstreamer/wg_sample.c b/dlls/winegstreamer/wg_sample.c index f48639a6822..eb4af86c381 100644 --- a/dlls/winegstreamer/wg_sample.c +++ b/dlls/winegstreamer/wg_sample.c @@ -277,6 +277,8 @@ HRESULT wg_transform_push_mf(struct wg_transform *transform, IMFSample *sample, } if (SUCCEEDED(IMFSample_GetUINT32(sample, &MFSampleExtension_CleanPoint, &value)) && value) wg_sample->flags |= WG_SAMPLE_FLAG_SYNC_POINT; + if (SUCCEEDED(IMFSample_GetUINT32(sample, &MFSampleExtension_Discontinuity, &value)) && value) + wg_sample->flags |= WG_SAMPLE_FLAG_DISCONTINUITY;
wg_sample_queue_begin_append(queue, wg_sample); hr = wg_transform_push_data(transform, wg_sample); @@ -320,6 +322,8 @@ HRESULT wg_transform_read_mf(struct wg_transform *transform, IMFSample *sample, IMFSample_SetSampleDuration(sample, wg_sample->duration); if (wg_sample->flags & WG_SAMPLE_FLAG_SYNC_POINT) IMFSample_SetUINT32(sample, &MFSampleExtension_CleanPoint, 1); + if (wg_sample->flags & WG_SAMPLE_FLAG_DISCONTINUITY) + IMFSample_SetUINT32(sample, &MFSampleExtension_Discontinuity, 1);
if (SUCCEEDED(hr = IMFSample_ConvertToContiguousBuffer(sample, &buffer))) { @@ -354,6 +358,8 @@ HRESULT wg_transform_push_quartz(struct wg_transform *transform, struct wg_sampl
if (IMediaSample_IsSyncPoint(sample->u.quartz.sample) == S_OK) wg_sample->flags |= WG_SAMPLE_FLAG_SYNC_POINT; + if (IMediaSample_IsDiscontinuity(sample->u.quartz.sample) == S_OK) + wg_sample->flags |= WG_SAMPLE_FLAG_DISCONTINUITY;
wg_sample_queue_begin_append(queue, wg_sample); hr = wg_transform_push_data(transform, wg_sample); @@ -397,6 +403,8 @@ HRESULT wg_transform_read_quartz(struct wg_transform *transform, struct wg_sampl
value = !!(wg_sample->flags & WG_SAMPLE_FLAG_SYNC_POINT); IMediaSample_SetSyncPoint(sample->u.quartz.sample, value); + value = !!(wg_sample->flags & WG_SAMPLE_FLAG_DISCONTINUITY); + IMediaSample_SetDiscontinuity(sample->u.quartz.sample, value);
return S_OK; } diff --git a/dlls/winegstreamer/wg_transform.c b/dlls/winegstreamer/wg_transform.c index 34b8d25c2e5..a52d7e1f722 100644 --- a/dlls/winegstreamer/wg_transform.c +++ b/dlls/winegstreamer/wg_transform.c @@ -648,6 +648,8 @@ NTSTATUS wg_transform_push_data(void *args) GST_BUFFER_DURATION(buffer) = sample->duration * 100; if (!(sample->flags & WG_SAMPLE_FLAG_SYNC_POINT)) GST_BUFFER_FLAG_SET(buffer, GST_BUFFER_FLAG_DELTA_UNIT); + if (sample->flags & WG_SAMPLE_FLAG_DISCONTINUITY) + GST_BUFFER_FLAG_SET(buffer, GST_BUFFER_FLAG_DISCONT); gst_atomic_queue_push(transform->input_queue, buffer);
params->result = S_OK; @@ -781,6 +783,8 @@ static NTSTATUS read_transform_output_data(GstBuffer *buffer, GstCaps *caps, gsi } if (!GST_BUFFER_FLAG_IS_SET(buffer, GST_BUFFER_FLAG_DELTA_UNIT)) sample->flags |= WG_SAMPLE_FLAG_SYNC_POINT; + if (GST_BUFFER_FLAG_IS_SET(buffer, GST_BUFFER_FLAG_DISCONT)) + sample->flags |= WG_SAMPLE_FLAG_DISCONTINUITY;
if (needs_copy) {