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h265parse: Handle interlaced video

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For interlaced video:
* set the interlace mode in the src caps
* double the height from SPS in the caps.
* set field latency, instead of frame latency.

Fix #778
This commit is contained in:
Zeeshan Ali 2018-06-13 16:33:21 +02:00 committed by GStreamer Merge Bot
parent 7b8c071f9c
commit 51bc67d4ef
1 changed files with 13 additions and 4 deletions
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17
gst/videoparsers/gsth265parse.c
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@ -1960,10 +1960,11 @@ gst_h265_parse_update_src_caps (GstH265Parse * h265parse, GstCaps * caps)
if (G_UNLIKELY (h265parse->width != crop_width ||
h265parse->height != crop_height)) {
GST_INFO_OBJECT (h265parse, "resolution changed %dx%d",
crop_width, crop_height);
h265parse->width = crop_width;
h265parse->height = crop_height;
h265parse->height = sps->profile_tier_level.interlaced_source_flag ?
crop_height * 2 : crop_height;
GST_INFO_OBJECT (h265parse, "resolution changed %dx%d",
h265parse->width, h265parse->height);
modified = TRUE;
}
@ -2052,6 +2053,8 @@ gst_h265_parse_update_src_caps (GstH265Parse * h265parse, GstCaps * caps)
/* but not necessarily or reliably this */
if (fps_num > 0 && fps_den > 0) {
GstStructure *s2;
GstClockTime val;
GST_INFO_OBJECT (h265parse, "setting framerate in caps");
gst_caps_set_simple (caps, "framerate",
GST_TYPE_FRACTION, fps_num, fps_den, NULL);
@ -2060,7 +2063,9 @@ gst_h265_parse_update_src_caps (GstH265Parse * h265parse, GstCaps * caps)
&h265parse->parsed_fps_d);
gst_base_parse_set_frame_rate (GST_BASE_PARSE (h265parse),
fps_num, fps_den, 0, 0);
latency = gst_util_uint64_scale (GST_SECOND, fps_den, fps_num);
val = sps->profile_tier_level.interlaced_source_flag ? GST_SECOND / 2 :
GST_SECOND;
latency = gst_util_uint64_scale (val, fps_den, fps_num);
gst_base_parse_set_latency (GST_BASE_PARSE (h265parse), latency,
latency);
}
@ -2130,6 +2135,10 @@ gst_h265_parse_update_src_caps (GstH265Parse * h265parse, GstCaps * caps)
if (profile != NULL)
gst_caps_set_simple (caps, "profile", G_TYPE_STRING, profile, NULL);
if (sps->profile_tier_level.interlaced_source_flag)
gst_caps_set_simple (caps, "interlace-mode", G_TYPE_STRING, "alternate",
NULL);
tier = get_tier_string (sps->profile_tier_level.tier_flag);
if (tier != NULL)
gst_caps_set_simple (caps, "tier", G_TYPE_STRING, tier, NULL);