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omxvideoenc: Implement getcaps() vfunc

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This commit is contained in:
Sebastian Dröge 2013-02-12 10:53:24 +01:00
parent ee069488f9
commit 023b542ad5
1 changed files with 75 additions and 0 deletions
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75
omx/gstomxvideoenc.c
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@ -92,6 +92,8 @@ static GstFlowReturn gst_omx_video_enc_handle_frame (GstVideoEncoder * encoder,
static gboolean gst_omx_video_enc_finish (GstVideoEncoder * encoder);
static gboolean gst_omx_video_enc_propose_allocation (GstVideoEncoder * encoder,
GstQuery * query);
static GstCaps *gst_omx_video_enc_getcaps (GstVideoEncoder * encoder,
GstCaps * filter);
static GstFlowReturn gst_omx_video_enc_drain (GstOMXVideoEnc * self,
gboolean at_eos);
@ -188,6 +190,7 @@ gst_omx_video_enc_class_init (GstOMXVideoEncClass * klass)
video_encoder_class->finish = GST_DEBUG_FUNCPTR (gst_omx_video_enc_finish);
video_encoder_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_omx_video_enc_propose_allocation);
video_encoder_class->getcaps = GST_DEBUG_FUNCPTR (gst_omx_video_enc_getcaps);
klass->cdata.default_sink_template_caps = "video/x-raw, "
"width = " GST_VIDEO_SIZE_RANGE ", "
@ -1508,3 +1511,75 @@ gst_omx_video_enc_propose_allocation (GstVideoEncoder * encoder,
GST_VIDEO_ENCODER_CLASS
(gst_omx_video_enc_parent_class)->propose_allocation (encoder, query);
}
static GstCaps *
gst_omx_video_enc_getcaps (GstVideoEncoder * encoder, GstCaps * filter)
{
GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (encoder);
GstOMXVideoEncClass *klass = GST_OMX_VIDEO_ENC_GET_CLASS (self);
GstOMXPort *port = self->in_port;
OMX_VIDEO_PARAM_PORTFORMATTYPE param;
OMX_ERRORTYPE err;
GstCaps *comp_supported_caps;
gint old_index;
if (!self->component)
return gst_video_encoder_proxy_getcaps (encoder, NULL, filter);
GST_OMX_INIT_STRUCT (&param);
param.nPortIndex = port->index;
param.nIndex = 0;
if (!(klass->cdata.hacks & GST_OMX_HACK_VIDEO_FRAMERATE_INTEGER))
param.xFramerate = (25 << 16) / (1);
else
param.xFramerate = (25) / (1);
old_index = -1;
comp_supported_caps = gst_caps_new_empty ();
do {
err =
gst_omx_component_get_parameter (self->component,
OMX_IndexParamVideoPortFormat, &param);
/* FIXME: Workaround for Bellagio that simply always
* returns the same value regardless of nIndex and
* never returns OMX_ErrorNoMore
*/
if (old_index == param.nIndex)
break;
if (err == OMX_ErrorNone || err == OMX_ErrorNoMore) {
switch (param.eColorFormat) {
case OMX_COLOR_FormatYUV420Planar:
case OMX_COLOR_FormatYUV420PackedPlanar:
gst_caps_append_structure (comp_supported_caps,
gst_structure_new ("video/x-raw",
"format", G_TYPE_STRING, "I420", NULL));
GST_DEBUG_OBJECT (self, "Component supports I420 (%d) at index %d",
param.eColorFormat, param.nIndex);
break;
case OMX_COLOR_FormatYUV420SemiPlanar:
gst_caps_append_structure (comp_supported_caps,
gst_structure_new ("video/x-raw",
"format", G_TYPE_STRING, "NV12", NULL));
GST_DEBUG_OBJECT (self, "Component supports NV12 (%d) at index %d",
param.eColorFormat, param.nIndex);
break;
default:
break;
}
}
old_index = param.nIndex++;
} while (err == OMX_ErrorNone);
if (!gst_caps_is_empty (comp_supported_caps)) {
GstCaps *ret =
gst_video_encoder_proxy_getcaps (encoder, comp_supported_caps, filter);
gst_caps_unref (comp_supported_caps);
return ret;
} else {
gst_caps_unref (comp_supported_caps);
return gst_video_encoder_proxy_getcaps (encoder, NULL, filter);
}
}