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kmssink: Handle the DMA buffer importing correctly

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5174>
This commit is contained in:
He Junyan 2023-08-11 18:43:57 +08:00
parent a925630d87
commit e4d7ac5989
2 changed files with 41 additions and 4 deletions
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44
subprojects/gst-plugins-bad/sys/kms/gstkmssink.c
View file

@ -1616,11 +1616,41 @@ gst_kms_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
{
GstKMSSink *self;
GstVideoInfo vinfo;
GstVideoInfoDmaDrm vinfo_drm;
self = GST_KMS_SINK (bsink);
if (!gst_video_info_from_caps (&vinfo, caps))
goto invalid_format;
if (gst_video_is_dma_drm_caps (caps)) {
GstVideoFormat video_format;
GstVideoInfo tmp_info;
guint i;
if (!gst_video_info_dma_drm_from_caps (&vinfo_drm, caps))
goto invalid_format;
self->vinfo_drm = vinfo_drm;
/* Convert the dma to traditional video info */
video_format = gst_video_format_from_drm (vinfo_drm.drm_fourcc);
if (video_format == GST_VIDEO_FORMAT_UNKNOWN)
goto invalid_format;
if (!gst_video_info_set_format (&tmp_info, video_format,
GST_VIDEO_INFO_WIDTH (&vinfo_drm.vinfo),
GST_VIDEO_INFO_HEIGHT (&vinfo_drm.vinfo)))
goto invalid_format;
vinfo = vinfo_drm.vinfo;
vinfo.finfo = tmp_info.finfo;
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++)
vinfo.stride[i] = tmp_info.stride[i];
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++)
vinfo.offset[i] = tmp_info.offset[i];
vinfo.size = tmp_info.size;
} else {
if (!gst_video_info_from_caps (&vinfo, caps))
goto invalid_format;
}
self->vinfo = vinfo;
if (!gst_kms_sink_calculate_display_ratio (self, &vinfo,
@ -1842,6 +1872,11 @@ gst_kms_sink_import_dmabuf (GstKMSSink * self, GstBuffer * inbuf,
if (!self->has_prime_import)
return FALSE;
/* Not a DMA format. */
if (GST_VIDEO_INFO_FORMAT (&self->vinfo_drm.vinfo) !=
GST_VIDEO_FORMAT_DMA_DRM)
return FALSE;
/* This will eliminate most non-dmabuf out there */
if (!gst_is_dmabuf_memory (gst_buffer_peek_memory (inbuf, 0)))
return FALSE;
@ -1904,8 +1939,8 @@ gst_kms_sink_import_dmabuf (GstKMSSink * self, GstBuffer * inbuf,
GST_LOG_OBJECT (self, "found these prime ids: %d, %d, %d, %d", prime_fds[0],
prime_fds[1], prime_fds[2], prime_fds[3]);
kmsmem = gst_kms_allocator_dmabuf_import (self->allocator,
prime_fds, n_planes, mems_skip, &self->vinfo, 0);
kmsmem = gst_kms_allocator_dmabuf_import (self->allocator, prime_fds,
n_planes, mems_skip, &self->vinfo, self->vinfo_drm.drm_modifier);
if (!kmsmem)
return FALSE;
@ -2470,6 +2505,7 @@ gst_kms_sink_init (GstKMSSink * sink)
gst_poll_fd_init (&sink->pollfd);
sink->poll = gst_poll_new (TRUE);
gst_video_info_init (&sink->vinfo);
gst_video_info_dma_drm_init (&sink->vinfo_drm);
sink->skip_vsync = FALSE;
#ifdef HAVE_DRM_HDR

1
subprojects/gst-plugins-bad/sys/kms/gstkmssink.h
View file

@ -71,6 +71,7 @@ struct _GstKMSSink {
GstStructure *plane_props;
GstVideoInfo vinfo;
GstVideoInfoDmaDrm vinfo_drm;
GstCaps *allowed_caps;
GstBufferPool *pool;
GstAllocator *allocator;