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h264: minor clean-ups.

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Move DPB flush up if the current picture to decode is an IDR. Besides,
don't bother to check for IDR pictures in dpb_add() function since an
explicit DPB flush was already performed in this case.
This commit is contained in:
Gwenole Beauchesne 2012-10-31 16:37:14 +01:00
parent d180a3a9f6
commit afddf11e22
1 changed files with 5 additions and 13 deletions
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18
gst-libs/gst/vaapi/gstvaapidecoder_h264.c
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@ -470,9 +470,7 @@ dpb_add(GstVaapiDecoderH264 *decoder, GstVaapiPictureH264 *picture)
guint i;
// Remove all unused pictures
if (GST_VAAPI_PICTURE_IS_IDR(picture))
dpb_flush(decoder);
else {
if (!GST_VAAPI_PICTURE_IS_IDR(picture)) {
i = 0;
while (i < priv->dpb_count) {
GstVaapiPictureH264 * const picture = priv->dpb[i];
@ -1666,7 +1664,7 @@ init_picture_ref_lists(GstVaapiDecoderH264 *decoder)
priv->long_ref_count = long_ref_count;
}
static gboolean
static void
init_picture_refs(
GstVaapiDecoderH264 *decoder,
GstVaapiPictureH264 *picture,
@ -1715,7 +1713,6 @@ init_picture_refs(
default:
break;
}
return TRUE;
}
static gboolean
@ -1740,6 +1737,7 @@ init_picture(
if (nalu->type == GST_H264_NAL_SLICE_IDR) {
GST_DEBUG("<IDR>");
GST_VAAPI_PICTURE_FLAG_SET(picture, GST_VAAPI_PICTURE_FLAG_IDR);
dpb_flush(decoder);
}
/* Initialize slice type */
@ -1769,6 +1767,7 @@ init_picture(
else
base_picture->structure = GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD;
/* Initialize reference flags */
if (nalu->ref_idc) {
GstH264DecRefPicMarking * const dec_ref_pic_marking =
&slice_hdr->dec_ref_pic_marking;
@ -1783,14 +1782,7 @@ init_picture(
}
init_picture_poc(decoder, picture, slice_hdr);
if (GST_VAAPI_PICTURE_IS_IDR(picture))
dpb_flush(decoder);
if (!init_picture_refs(decoder, picture, slice_hdr)) {
GST_ERROR("failed to initialize references");
return FALSE;
}
init_picture_refs(decoder, picture, slice_hdr);
return TRUE;
}