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vdpaumpegdec: small cleanups

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This commit is contained in:
Carl-Anton Ingmarsson 2009-06-05 23:11:18 +02:00 committed by Jan Schmidt
parent e9f028957d
commit d65d4c40f5
2 changed files with 33 additions and 30 deletions
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39
sys/vdpau/gstvdpmpegdec.c
View file

@ -344,24 +344,6 @@ gst_vdp_mpeg_dec_decode (GstVdpMpegDec * mpeg_dec,
buffer = gst_adapter_take_buffer (mpeg_dec->adapter,
gst_adapter_available (mpeg_dec->adapter));
if (info->picture_coding_type != B_FRAME) {
if (info->backward_reference != VDP_INVALID_HANDLE) {
gst_buffer_ref (mpeg_dec->b_buffer);
gst_vdp_mpeg_dec_push_video_buffer (mpeg_dec,
GST_VDP_VIDEO_BUFFER (mpeg_dec->b_buffer));
}
if (info->forward_reference != VDP_INVALID_HANDLE) {
gst_buffer_unref (mpeg_dec->f_buffer);
info->forward_reference = VDP_INVALID_HANDLE;
}
info->forward_reference = info->backward_reference;
mpeg_dec->f_buffer = mpeg_dec->b_buffer;
info->backward_reference = VDP_INVALID_HANDLE;
}
outbuf = gst_vdp_video_buffer_new (mpeg_dec->device, VDP_CHROMA_TYPE_420,
mpeg_dec->width, mpeg_dec->height);
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
@ -380,12 +362,31 @@ gst_vdp_mpeg_dec_decode (GstVdpMpegDec * mpeg_dec,
GST_BUFFER_FLAG_UNSET (outbuf, GST_VIDEO_BUFFER_TFF);
if (info->picture_coding_type != B_FRAME) {
if (info->backward_reference != VDP_INVALID_HANDLE) {
gst_buffer_ref (mpeg_dec->b_buffer);
gst_vdp_mpeg_dec_push_video_buffer (mpeg_dec,
GST_VDP_VIDEO_BUFFER (mpeg_dec->b_buffer));
}
if (info->forward_reference != VDP_INVALID_HANDLE) {
gst_buffer_unref (mpeg_dec->f_buffer);
info->forward_reference = VDP_INVALID_HANDLE;
}
info->forward_reference = info->backward_reference;
mpeg_dec->f_buffer = mpeg_dec->b_buffer;
info->backward_reference = VDP_INVALID_HANDLE;
}
if (info->forward_reference != VDP_INVALID_HANDLE &&
info->picture_coding_type != I_FRAME)
gst_vdp_video_buffer_add_reference (outbuf,
GST_VDP_VIDEO_BUFFER (mpeg_dec->f_buffer));
if (info->backward_reference != VDP_INVALID_HANDLE)
if (info->backward_reference != VDP_INVALID_HANDLE
&& info->picture_coding_type == B_FRAME)
gst_vdp_video_buffer_add_reference (outbuf,
GST_VDP_VIDEO_BUFFER (mpeg_dec->b_buffer));

8
sys/vdpau/mpegutil.c
View file

@ -256,6 +256,10 @@ mpeg_util_parse_picture_hdr (MPEGPictureHdr * hdr, GstBuffer * buffer)
if (!gst_bit_reader_get_bits_uint8 (&reader, &hdr->f_code[0][0], 3))
return FALSE;
hdr->f_code[0][1] = hdr->f_code[0][0];
} else {
hdr->full_pel_forward_vector = 0;
hdr->f_code[0][0] = hdr->f_code[0][1] = 0;
}
if (hdr->pic_type == B_FRAME) {
if (!gst_bit_reader_get_bits_uint8 (&reader,
@ -265,11 +269,9 @@ mpeg_util_parse_picture_hdr (MPEGPictureHdr * hdr, GstBuffer * buffer)
if (!gst_bit_reader_get_bits_uint8 (&reader, &hdr->f_code[1][0], 3))
return FALSE;
hdr->f_code[1][1] = hdr->f_code[1][0];
} else
hdr->full_pel_backward_vector = 0;
} else {
hdr->full_pel_forward_vector = 0;
hdr->full_pel_backward_vector = 0;
hdr->f_code[1][0] = hdr->f_code[1][1] = 0;
}
return TRUE;