static GstFlowReturn
gst_vdp_h264_dec_handle_frame (GstBaseVideoDecoder * base_video_decoder,
GstVideoFrame * frame, GstClockTimeDiff deadline)
{
GstVdpH264Dec *h264_dec = GST_VDP_H264_DEC (base_video_decoder);
GstH264Frame *h264_frame;
GstH264Slice *slice;
GstH264Picture *pic G_GNUC_UNUSED;
GstH264Sequence *seq G_GNUC_UNUSED;
GstFlowReturn ret;
GstVdpVideoBuffer *outbuf;
VdpPictureInfoH264 info;
VdpBitstreamBuffer *bufs;
guint n_bufs;
GST_DEBUG ("handle_frame");
h264_frame = GST_H264_FRAME_CAST (frame);
slice = &h264_frame->slice_hdr;
pic = slice->picture;
seq = pic->sequence;
if (slice->nal_unit.IdrPicFlag) {
ret = gst_vdp_h264_dec_idr (h264_dec, h264_frame);
if (ret == GST_FLOW_OK)
h264_dec->got_idr = TRUE;
else {
gst_base_video_decoder_skip_frame (base_video_decoder, frame);
return GST_FLOW_OK;
}
}
/* check if we've got a IDR frame yet */
if (!h264_dec->got_idr) {
gst_base_video_decoder_skip_frame (base_video_decoder, frame);
return GST_FLOW_OK;
}
gst_vdp_h264_dec_init_frame_info (h264_dec, h264_frame);
info = gst_vdp_h264_dec_fill_info (h264_dec, h264_frame);
bufs = gst_vdp_h264_dec_create_bitstream_buffers (h264_dec, h264_frame,
&n_bufs);
ret = gst_vdp_decoder_render (GST_VDP_DECODER (h264_dec),
(VdpPictureInfo *) & info, n_bufs, bufs, &outbuf);
g_free (bufs);
if (ret != GST_FLOW_OK) {
gst_base_video_decoder_skip_frame (base_video_decoder, frame);
return ret;
}
frame->src_buffer = GST_BUFFER_CAST (outbuf);
/* DPB handling */
if (slice->nal_unit.ref_idc != 0 && !slice->nal_unit.IdrPicFlag) {
if (slice->dec_ref_pic_marking.adaptive_ref_pic_marking_mode_flag) {
GstH264RefPicMarking *marking;
guint i;
marking = slice->dec_ref_pic_marking.ref_pic_marking;
for (i = 0; i < slice->dec_ref_pic_marking.n_ref_pic_marking; i++) {
switch (marking[i].memory_management_control_operation) {
case 1:
{
guint16 pic_num;
pic_num = slice->frame_num -
(marking[i].difference_of_pic_nums_minus1 + 1);
gst_h264_dpb_mark_short_term_unused (h264_dec->dpb, pic_num);
break;
}
case 2:
{
gst_h264_dpb_mark_long_term_unused (h264_dec->dpb,
marking[i].long_term_pic_num);
break;
}
case 3:
{
guint16 pic_num;
pic_num = slice->frame_num -
(marking[i].difference_of_pic_nums_minus1 + 1);
gst_h264_dpb_mark_long_term (h264_dec->dpb, pic_num,
marking[i].long_term_frame_idx);
break;
}
case 4:
{
g_object_set (h264_dec->dpb, "max-longterm-frame-idx",
marking[i].max_long_term_frame_idx_plus1 - 1, NULL);
break;
}
case 5:
{
gst_h264_dpb_mark_all_unused (h264_dec->dpb);
g_object_set (h264_dec->dpb, "max-longterm-frame-idx", -1, NULL);
break;
}
default:
break;
}
}
} else
gst_h264_dpb_mark_sliding (h264_dec->dpb);
}
return gst_h264_dpb_add (h264_dec->dpb, h264_frame);
}
static GstFlowReturn
gst_vdp_h264_dec_handle_dpb (GstVdpH264Dec * h264_dec,
GstH264Frame * h264_frame, GstH264SliceHdr * slice)
{
if (slice->nalu_ref_idc != 0 && slice->slice_type != GST_H264_NAL_SLICE_IDR) {
if (slice->dec_ref_pic_marking.adaptive_ref_pic_marking_mode_flag) {
GstH264RefPicMarking *marking;
guint i;
marking = slice->dec_ref_pic_marking.ref_pic_marking;
for (i = 0; i < slice->dec_ref_pic_marking.n_ref_pic_marking; i++) {
switch (marking[i].memory_management_control_operation) {
case 1:
{
guint16 pic_num;
pic_num = slice->frame_num -
(marking[i].difference_of_pic_nums_minus1 + 1);
gst_h264_dpb_mark_short_term_unused (h264_dec->dpb, pic_num);
break;
}
case 2:
{
gst_h264_dpb_mark_long_term_unused (h264_dec->dpb,
marking[i].long_term_pic_num);
break;
}
case 3:
{
guint16 pic_num;
pic_num = slice->frame_num -
(marking[i].difference_of_pic_nums_minus1 + 1);
gst_h264_dpb_mark_long_term (h264_dec->dpb, pic_num,
marking[i].long_term_frame_idx);
break;
}
case 4:
{
g_object_set (h264_dec->dpb, "max-longterm-frame-idx",
marking[i].max_long_term_frame_idx_plus1 - 1, NULL);
break;
}
case 5:
{
gst_h264_dpb_mark_all_unused (h264_dec->dpb);
g_object_set (h264_dec->dpb, "max-longterm-frame-idx", -1, NULL);
break;
}
default:
break;
}
}
} else
gst_h264_dpb_mark_sliding (h264_dec->dpb);
}
return gst_h264_dpb_add (h264_dec->dpb, h264_frame);
}