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vaapipostproc: add support for "mixed" interlace mode.

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Add support for "mixed" interlace-mode, whereby the video frame buffer
shall be deinterlaced only if its flags mention that's actually an
interlaced frame buffer.
This commit is contained in:
Gwenole Beauchesne 2013-10-04 16:00:56 +02:00
parent f6f24bfc55
commit f0d50cfbc2
3 changed files with 30 additions and 4 deletions
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3
gst/vaapi/gstvaapipluginutil.c
View file

@ -397,6 +397,9 @@ gst_caps_set_interlaced(GstCaps *caps, GstVideoInfo *vip)
case GST_VIDEO_INTERLACE_MODE_INTERLEAVED:
mode_str = "interleaved";
break;
case GST_VIDEO_INTERLACE_MODE_MIXED:
mode_str = "mixed";
break;
default:
GST_ERROR("unsupported `interlace-mode' %d", mode);
return FALSE;

2
gst/vaapi/gstvaapipluginutil.h
View file

@ -64,7 +64,7 @@ gst_vaapi_apply_composition(GstVaapiSurface *surface, GstBuffer *buffer);
/* Helpers to handle interlaced contents */
#if GST_CHECK_VERSION(1,0,0)
# define GST_CAPS_INTERLACED_MODES \
"interlace-mode = (string){ progressive, interleaved }"
"interlace-mode = (string){ progressive, interleaved, mixed }"
# define GST_CAPS_INTERLACED_FALSE \
"interlace-mode = (string)progressive"
#else

29
gst/vaapi/gstvaapipostproc.c
View file

@ -200,6 +200,28 @@ gst_vaapipostproc_stop(GstBaseTransform *trans)
return TRUE;
}
static gboolean
is_interlaced_buffer(GstVaapiPostproc *postproc, GstBuffer *buf)
{
if (!postproc->deinterlace)
return FALSE;
switch (GST_VIDEO_INFO_INTERLACE_MODE(&postproc->sinkpad_info)) {
case GST_VIDEO_INTERLACE_MODE_MIXED:
#if GST_CHECK_VERSION(1,0,0)
if (!GST_BUFFER_FLAG_IS_SET(buf, GST_VIDEO_BUFFER_FLAG_INTERLACED))
return FALSE;
#else
if (GST_BUFFER_FLAG_IS_SET(buf, GST_VIDEO_BUFFER_PROGRESSIVE))
return FALSE;
#endif
break;
default:
break;
}
return TRUE;
}
static GstBuffer *
create_output_buffer(GstVaapiPostproc *postproc)
{
@ -242,7 +264,7 @@ gst_vaapipostproc_process(GstBaseTransform *trans, GstBuffer *inbuf,
GstFlowReturn ret;
GstBuffer *fieldbuf;
guint fieldbuf_flags, outbuf_flags, flags;
gboolean tff;
gboolean tff, deint;
meta = gst_buffer_get_vaapi_video_meta(inbuf);
if (!meta)
@ -250,6 +272,7 @@ gst_vaapipostproc_process(GstBaseTransform *trans, GstBuffer *inbuf,
timestamp = GST_BUFFER_TIMESTAMP(inbuf);
tff = GST_BUFFER_FLAG_IS_SET(inbuf, GST_VIDEO_BUFFER_FLAG_TFF);
deint = is_interlaced_buffer(postproc, inbuf);
flags = gst_vaapi_video_meta_get_render_flags(meta) &
~(GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD|
@ -263,7 +286,7 @@ gst_vaapipostproc_process(GstBaseTransform *trans, GstBuffer *inbuf,
meta = gst_buffer_get_vaapi_video_meta(fieldbuf);
fieldbuf_flags = flags;
fieldbuf_flags |= postproc->deinterlace ? (
fieldbuf_flags |= deint ? (
tff ?
GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD :
GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD) :
@ -281,7 +304,7 @@ gst_vaapipostproc_process(GstBaseTransform *trans, GstBuffer *inbuf,
meta = gst_buffer_get_vaapi_video_meta(outbuf);
outbuf_flags = flags;
outbuf_flags |= postproc->deinterlace ? (
outbuf_flags |= deint ? (
tff ?
GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD :
GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD) :