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h265parse: Introduce new state tracking variables

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Direct applying the commit 7bb6443. This could fix also unexpected
nal dropping when nonzero "config-interval" is set.
(e.g., gst-launch-1.0 videotestsrc ! x265enc key-int-max=30 !
 h265parse config-interval=30 ! avdec_h265 ! videoconvert ! autovideosink)

Similar to the h264parse, have_{vps,sps,pps} variables will be used
for deciding on when to submit updated caps or not, and rather mean
"have new SPS/PPS to be submitted?"
See also https://bugzilla.gnome.org/show_bug.cgi?id=732203

https://bugzilla.gnome.org/show_bug.cgi?id=754124
This commit is contained in:
Seungha Yang 2018-08-13 22:23:22 +09:00 committed by Nicolas Dufresne
parent ad7cf957fb
commit c0756d0909
2 changed files with 33 additions and 1 deletions
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31
gst/videoparsers/gsth265parse.c
View file

@ -55,6 +55,22 @@ enum
GST_H265_PARSE_ALIGN_AU
};
enum
{
GST_H265_PARSE_STATE_GOT_SPS = 1 << 0,
GST_H265_PARSE_STATE_GOT_PPS = 1 << 1,
GST_H265_PARSE_STATE_GOT_SLICE = 1 << 2,
GST_H265_PARSE_STATE_VALID_PICTURE_HEADERS = (GST_H265_PARSE_STATE_GOT_SPS |
GST_H265_PARSE_STATE_GOT_PPS),
GST_H265_PARSE_STATE_VALID_PICTURE =
(GST_H265_PARSE_STATE_VALID_PICTURE_HEADERS |
GST_H265_PARSE_STATE_GOT_SLICE)
};
#define GST_H265_PARSE_STATE_VALID(parse, expected_state) \
(((parse)->state & (expected_state)) == (expected_state))
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
@ -215,6 +231,7 @@ gst_h265_parse_start (GstBaseParse * parse)
gst_h265_parse_reset (h265parse);
h265parse->nalparser = gst_h265_parser_new ();
h265parse->state = 0;
gst_base_parse_set_min_frame_size (parse, 7);
@ -535,6 +552,9 @@ gst_h265_parse_process_nal (GstH265Parse * h265parse, GstH265NalUnit * nalu)
h265parse->header |= TRUE;
break;
case GST_H265_NAL_SPS:
/* reset state, everything else is obsolete */
h265parse->state = 0;
pres = gst_h265_parser_parse_sps (nalparser, nalu, &sps, TRUE);
@ -556,8 +576,10 @@ gst_h265_parse_process_nal (GstH265Parse * h265parse, GstH265NalUnit * nalu)
gst_h265_parser_store_nal (h265parse, sps.id, nal_type, nalu);
h265parse->header |= TRUE;
h265parse->state |= GST_H265_PARSE_STATE_GOT_SPS;
break;
case GST_H265_NAL_PPS:
h265parse->state &= GST_H265_PARSE_STATE_GOT_SPS;
pres = gst_h265_parser_parse_pps (nalparser, nalu, &pps);
@ -582,6 +604,7 @@ gst_h265_parse_process_nal (GstH265Parse * h265parse, GstH265NalUnit * nalu)
gst_h265_parser_store_nal (h265parse, pps.id, nal_type, nalu);
h265parse->header |= TRUE;
h265parse->state |= GST_H265_PARSE_STATE_GOT_PPS;
break;
case GST_H265_NAL_PREFIX_SEI:
case GST_H265_NAL_SUFFIX_SEI:
@ -616,11 +639,15 @@ gst_h265_parse_process_nal (GstH265Parse * h265parse, GstH265NalUnit * nalu)
{
GstH265SliceHdr slice;
h265parse->state &= GST_H265_PARSE_STATE_VALID_PICTURE_HEADERS;
pres = gst_h265_parser_parse_slice_hdr (nalparser, nalu, &slice);
if (pres == GST_H265_PARSER_OK) {
if (GST_H265_IS_I_SLICE (&slice))
h265parse->keyframe |= TRUE;
h265parse->state |= GST_H265_PARSE_STATE_GOT_SLICE;
}
if (slice.first_slice_segment_in_pic_flag == 1)
GST_DEBUG_OBJECT (h265parse,
@ -982,7 +1009,8 @@ gst_h265_parse_handle_frame (GstBaseParse * parse,
if (nalu.type == GST_H265_NAL_VPS ||
nalu.type == GST_H265_NAL_SPS ||
nalu.type == GST_H265_NAL_PPS ||
(h265parse->have_sps && h265parse->have_pps)) {
GST_H265_PARSE_STATE_VALID (h265parse,
GST_H265_PARSE_STATE_VALID_PICTURE_HEADERS)) {
gst_h265_parse_process_nal (h265parse, &nalu);
} else {
GST_WARNING_OBJECT (h265parse,
@ -2059,6 +2087,7 @@ gst_h265_parse_pre_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
h265parse->have_vps = FALSE;
h265parse->have_sps = FALSE;
h265parse->have_pps = FALSE;
h265parse->state &= GST_H265_PARSE_STATE_VALID_PICTURE_HEADERS;
}
}

3
gst/videoparsers/gsth265parse.h
View file

@ -63,12 +63,15 @@ struct _GstH265Parse
/* state */
GstH265Parser *nalparser;
guint state;
guint align;
guint format;
gint current_off;
GstClockTime last_report;
gboolean push_codec;
/* The following variables have a meaning in context of "have
* VPS/SPS/PPS to push downstream", e.g. to update caps */
gboolean have_vps;
gboolean have_sps;
gboolean have_pps;