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mpeg2: fix first field detection.

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Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
This commit is contained in:
Zhao Halley 2012-01-09 17:37:34 +01:00 committed by Gwenole Beauchesne
parent a591dc3b72
commit 27fa5903ef
1 changed files with 9 additions and 6 deletions
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13
gst-libs/gst/vaapi/gstvaapidecoder_mpeg2.c
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@ -440,6 +440,8 @@ decode_gop(GstVaapiDecoderMpeg2 *decoder, guchar *buf, guint buf_size)
priv->gop_pts = pts;
if (!priv->pts_diff)
priv->pts_diff = priv->seq_pts - priv->gop_pts;
priv->is_first_field = TRUE;
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
@ -500,10 +502,6 @@ decode_picture(GstVaapiDecoderMpeg2 *decoder, guchar *buf, guint buf_size)
}
priv->mb_y = 0;
if (pic_hdr->pic_type == GST_MPEG_VIDEO_PICTURE_TYPE_I)
priv->is_first_field = TRUE;
else
priv->is_first_field ^= 1;
/* Update presentation time */
pts = priv->gop_pts;
@ -618,9 +616,14 @@ decode_slice(
GST_DEBUG("slice %d @ %p, %u bytes)", slice_no, buf, buf_size);
if (picture->slices->len == 0 && !fill_picture(decoder, picture))
if (picture->slices->len == 0) {
if (!fill_picture(decoder, picture))
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
if (!priv->pic_ext.progressive_frame)
priv->is_first_field ^= 1;
}
priv->mb_y = slice_no;
slice = gst_vaapi_decoder_new_slice(