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h264parse: Don't add latency when not needed

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We no longer add latency when doing AU->AU, AU->NAL and NAL->NAL
parsing.
This commit is contained in:
Nicolas Dufresne 2018-09-27 22:10:14 -04:00 committed by Nicolas Dufresne
parent ba8b605c6f
commit c52fdf994c
1 changed files with 9 additions and 4 deletions
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13
gst/videoparsers/gsth264parse.c
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@ -2142,7 +2142,7 @@ gst_h264_parse_update_src_caps (GstH264Parse * h264parse, GstCaps * caps)
if (G_UNLIKELY (modified || h264parse->update_caps)) { if (G_UNLIKELY (modified || h264parse->update_caps)) {
GstVideoInterlaceMode imode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE; GstVideoInterlaceMode imode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
gint width, height; gint width, height;
GstClockTime latency; GstClockTime latency = 0;
const gchar *caps_mview_mode = NULL; const gchar *caps_mview_mode = NULL;
GstVideoMultiviewMode mview_mode = h264parse->multiview_mode; GstVideoMultiviewMode mview_mode = h264parse->multiview_mode;
@ -2216,12 +2216,17 @@ gst_h264_parse_update_src_caps (GstH264Parse * h264parse, GstCaps * caps)
&h264parse->parsed_fps_d); &h264parse->parsed_fps_d);
gst_base_parse_set_frame_rate (GST_BASE_PARSE (h264parse), fps_num, gst_base_parse_set_frame_rate (GST_BASE_PARSE (h264parse), fps_num,
fps_den, 0, 0); fps_den, 0, 0);
if (fps_num > 0) {
/* If we know the frame duration, and if we are not in one of the zero
* latency pattern, add one frame of latency */
if (fps_num > 0 && h264parse->in_align != GST_H264_PARSE_ALIGN_AU &&
!(h264parse->in_align == GST_H264_PARSE_ALIGN_NAL &&
h264parse->align == GST_H264_PARSE_ALIGN_NAL)) {
latency = gst_util_uint64_scale (GST_SECOND, fps_den, fps_num); latency = gst_util_uint64_scale (GST_SECOND, fps_den, fps_num);
gst_base_parse_set_latency (GST_BASE_PARSE (h264parse), latency,
latency);
} }
gst_base_parse_set_latency (GST_BASE_PARSE (h264parse), latency,
latency);
} }
/* upstream overrides or uses sps info */ /* upstream overrides or uses sps info */