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From 5ad42791ad2d93bd694bf5faa466ccaffee7d23b Mon Sep 17 00:00:00 2001
From: Kazunori Kobayashi <kkobayas@igel.co.jp>
Date: Wed, 19 Jun 2013 16:03:02 +0900
Subject: [PATCH 09/14] omxwmvdec: support VC-1 advanced profile
If VC-1 advanced profile stream is demuxed, codec_data has a sequence
header and a entry point header. At the beginning of playback,
this patch pushes a buffer which is the concatenation of sequence header,
entry point header and first frame data to decode the advanced profile
stream.
---
omx/gstomxwmvdec.c | 28 +++++++++++++++++++++++++++-
1 file changed, 27 insertions(+), 1 deletion(-)
diff --git a/omx/gstomxwmvdec.c b/omx/gstomxwmvdec.c
index 0f8f2db..a3bd3c5 100644
--- a/omx/gstomxwmvdec.c
+++ b/omx/gstomxwmvdec.c
@@ -107,7 +107,33 @@ static GstFlowReturn
gst_omx_wmv_dec_prepare_frame (GstOMXVideoDec * self,
GstVideoCodecFrame * frame)
{
- if (self->codec_data) {
+ GstCaps *caps;
+ gboolean is_ap = FALSE;
+ GstStructure *structure;
+ const gchar *fourcc;
+
+ if (self->codec_data == NULL)
+ return GST_FLOW_OK;
+
+ caps = gst_pad_get_current_caps (GST_VIDEO_DECODER_SINK_PAD (self));
+ structure = gst_caps_get_structure (caps, 0);
+ fourcc = gst_structure_get_string (structure, "format");
+ if (fourcc) {
+ if (strncmp (fourcc, "WVC1", strlen ("WVC1")) == 0) {
+ GST_INFO_OBJECT (self, "stream type is Advanced Profile");
+ is_ap = TRUE;
+ } else {
+ GST_INFO_OBJECT (self, "stream type is Simple/Main Profile");
+ is_ap = FALSE;
+ }
+ }
+ gst_caps_unref (caps);
+
+ if (is_ap) {
+ frame->input_buffer =
+ gst_buffer_append (self->codec_data, frame->input_buffer);
+ self->codec_data = NULL;
+ } else {
OMX_PARAM_PORTDEFINITIONTYPE port_def;
guint32 *SeqHdrBuf;
guint8 *u8ptr;
--
1.8.1.2
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