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encoder: h264: fix frame cropping rectangle calculation.

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Fix frame cropping rectangle calculation to handle horizontal resolutions
that don't match a multiple of 16 pixels, but also the vertical resolution
that was incorrectly computed for progressive sequences too.

https://bugzilla.gnome.org/show_bug.cgi?id=722089
This commit is contained in:
Gwenole Beauchesne 2014-01-13 13:41:35 +01:00
parent c7a2095b78
commit 78bf2c01cc
1 changed files with 7 additions and 4 deletions
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11
gst-libs/gst/vaapi/gstvaapiencoder_h264.c
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@ -991,14 +991,17 @@ fill_va_sequence_param (GstVaapiEncoderH264 * encoder,
sizeof (seq_param->offset_for_ref_frame));
}
if (encoder->mb_height * 16 - GST_VAAPI_ENCODER_HEIGHT (encoder)) {
/* frame_cropping_flag */
if ((GST_VAAPI_ENCODER_WIDTH (encoder) & 15) ||
(GST_VAAPI_ENCODER_HEIGHT (encoder) & 15)) {
seq_param->frame_cropping_flag = 1;
seq_param->frame_crop_left_offset = 0;
seq_param->frame_crop_right_offset = 0;
seq_param->frame_crop_right_offset =
16 * encoder->mb_width - GST_VAAPI_ENCODER_WIDTH (encoder);
seq_param->frame_crop_top_offset = 0;
seq_param->frame_crop_bottom_offset =
((encoder->mb_height * 16 - GST_VAAPI_ENCODER_HEIGHT (encoder)) /
(2 * (!seq_param->seq_fields.bits.frame_mbs_only_flag + 1)));
(16 * encoder->mb_height - GST_VAAPI_ENCODER_HEIGHT (encoder)) /
(2 - seq_param->seq_fields.bits.frame_mbs_only_flag);
}
/* vui not set */