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h264parse: Include interlace-mode in caps

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Those are the rules:

In the SPS:
  * if frame_mbs_only_flag=1 => all frame progressive
  * if frame_mbs_only_flag=0 => field_pic_flag defines if each frame is
    progressive or interlaced, thus the mode is 'mixed' in GStreamer
    terms.

https://bugzilla.gnome.org/show_bug.cgi?id=779309
This commit is contained in:
Thibault Saunier 2017-02-27 10:32:45 -03:00
parent 40c74694ab
commit b75a61342f
1 changed files with 8 additions and 0 deletions
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8
gst/videoparsers/gsth264parse.c
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@ -1791,6 +1791,7 @@ gst_h264_parse_update_src_caps (GstH264Parse * h264parse, GstCaps * caps)
}
if (G_UNLIKELY (modified || h264parse->update_caps)) {
GstVideoInterlaceMode imode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
gint width, height;
GstClockTime latency;
@ -1864,7 +1865,14 @@ gst_h264_parse_update_src_caps (GstH264Parse * h264parse, GstCaps * caps)
gst_base_parse_set_latency (GST_BASE_PARSE (h264parse), latency,
latency);
}
}
if (sps->frame_mbs_only_flag == 0)
imode = GST_VIDEO_INTERLACE_MODE_MIXED;
if (s && !gst_structure_has_field (s, "interlace-mode"))
gst_caps_set_simple (caps, "interlace-mode", G_TYPE_STRING,
gst_video_interlace_mode_to_string (imode), NULL);
}
}