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rtph264pay/depay: Add optional framerate caps for use in SDP

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This allows for applications to format SDP attributes and still do SDP
offer/answer based on caps negotiation.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=700749
This commit is contained in:
Sebastian Rasmussen 2013-05-22 03:18:07 +02:00 committed by Sebastian Dröge
parent 3dca756a5d
commit d8825e2a5c
3 changed files with 50 additions and 1 deletions
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23
gst/rtp/gstrtph264depay.c
View file

@ -48,11 +48,13 @@ static GstStaticPadTemplate gst_rtp_h264_depay_src_template =
/** optional parameters **/
/* "width = (int) [ 1, MAX ], " */
/* "height = (int) [ 1, MAX ], " */
/* "framerate = (fraction) [ 0/1, MAX/1 ], " */
"video/x-h264, "
"stream-format = (string) byte-stream, alignment = (string) { nal, au }")
/** optional parameters **/
/* "width = (int) [ 1, MAX ], " */
/* "height = (int) [ 1, MAX ], " */
/* "framerate = (fraction) [ 0/1, MAX/1 ], " */
);
static GstStaticPadTemplate gst_rtp_h264_depay_sink_template =
@ -82,6 +84,7 @@ GST_STATIC_PAD_TEMPLATE ("sink",
/* "max-rcmd-nalu-size = (string) ANY, " */
/* "width = (int) [ 1, MAX ], " */
/* "height = (int) [ 1, MAX ], " */
/* "framerate = (fraction) [ 0/1, MAX/1 ] " */
);
#define gst_rtp_h264_depay_parent_class parent_class
@ -158,6 +161,8 @@ gst_rtp_h264_depay_reset (GstRtpH264Depay * rtph264depay)
rtph264depay->new_codec_data = FALSE;
rtph264depay->width = 0;
rtph264depay->height = 0;
rtph264depay->frate_num = 0;
rtph264depay->frate_denom = 1;
g_ptr_array_set_size (rtph264depay->sps, 0);
g_ptr_array_set_size (rtph264depay->pps, 0);
}
@ -321,6 +326,11 @@ gst_rtp_h264_set_src_caps (GstRtpH264Depay * rtph264depay)
"height", G_TYPE_INT, rtph264depay->height, NULL);
}
if (rtph264depay->frate_num > 0) {
gst_caps_set_simple (srccaps, "framerate", GST_TYPE_FRACTION,
rtph264depay->frate_num, rtph264depay->frate_denom, NULL);
}
if (!rtph264depay->byte_stream) {
GstBuffer *codec_data;
GstMapInfo map;
@ -536,6 +546,7 @@ gst_rtp_h264_depay_setcaps (GstRTPBaseDepayload * depayload, GstCaps * caps)
GstMapInfo map;
guint8 *ptr;
gint width = 0, height = 0;
gint num = 0, denom = 1;
rtph264depay = GST_RTP_H264_DEPAY (depayload);
@ -642,8 +653,15 @@ gst_rtp_h264_depay_setcaps (GstRTPBaseDepayload * depayload, GstCaps * caps)
goto invalid_dimension;
}
if (gst_structure_get_fraction (structure, "framerate", &num, &denom) &&
(num < 0 || denom <= 0)) {
goto invalid_framerate;
}
rtph264depay->width = width;
rtph264depay->height = height;
rtph264depay->frate_num = num;
rtph264depay->frate_denom = denom;
return gst_rtp_h264_set_src_caps (rtph264depay);
@ -659,6 +677,11 @@ invalid_dimension:
GST_ERROR_OBJECT (depayload, "invalid width/height from caps");
return FALSE;
}
invalid_framerate:
{
GST_ERROR_OBJECT (depayload, "invalid framerate from caps");
return FALSE;
}
}
static GstBuffer *

2
gst/rtp/gstrtph264depay.h
View file

@ -68,6 +68,8 @@ struct _GstRtpH264Depay
gboolean new_codec_data;
gint width;
gint height;
gint frate_num;
gint frate_denom;
};
struct _GstRtpH264DepayClass

26
gst/rtp/gstrtph264pay.c
View file

@ -52,6 +52,8 @@ static GstStaticPadTemplate gst_rtp_h264_pay_sink_template =
"video/x-h264, "
"stream-format = (string) byte-stream, alignment = (string) { nal, au }, "
"width = (int) [ 1, MAX ], height = (int) [ 1, MAX ]")
/** optional parameters **/
/* "framerate = (fraction) [ 0/1, MAX/1 ] " */
);
static GstStaticPadTemplate gst_rtp_h264_pay_src_template =
@ -64,6 +66,8 @@ GST_STATIC_PAD_TEMPLATE ("src",
"clock-rate = (int) 90000, "
"encoding-name = (string) \"H264\", "
"width = (int) [ 1, MAX ], height = (int) [ 1, MAX ]")
/** optional parameters **/
/* "framerate = (fraction) [ 0/1, MAX/1 ] " */
);
#define DEFAULT_SPROP_PARAMETER_SETS NULL
@ -431,6 +435,7 @@ gst_rtp_h264_pay_setcaps (GstRTPBasePayload * basepayload, GstCaps * caps)
gchar *sprops;
gboolean caps_set;
gint width, height;
gint num = 0, denom = 1;
rtph264pay = GST_RTP_H264_PAY (basepayload);
@ -465,6 +470,11 @@ gst_rtp_h264_pay_setcaps (GstRTPBasePayload * basepayload, GstCaps * caps)
goto invalid_dimension;
}
if (gst_structure_get_fraction (str, "framerate", &num, &denom) &&
(num < 0 || denom <= 0)) {
goto invalid_framerate;
}
/* packetized AVC video has a codec_data */
if ((value = gst_structure_get_value (str, "codec_data"))) {
guint num_sps, num_pps;
@ -569,10 +579,19 @@ gst_rtp_h264_pay_setcaps (GstRTPBasePayload * basepayload, GstCaps * caps)
sprops = NULL;
}
if (sprops != NULL) {
if (num > 0 && sprops != NULL) {
caps_set = gst_rtp_base_payload_set_outcaps (basepayload, "width",
G_TYPE_INT, width, "height", G_TYPE_INT, height,
"sprop-parameter-sets", G_TYPE_STRING, sprops, "framerate",
GST_TYPE_FRACTION, num, denom, NULL);
} else if (num <= 0 && sprops != NULL) {
caps_set = gst_rtp_base_payload_set_outcaps (basepayload, "width",
G_TYPE_INT, width, "height", G_TYPE_INT, height,
"sprop-parameter-sets", G_TYPE_STRING, sprops, NULL);
} else if (num > 0 && sprops == NULL) {
caps_set = gst_rtp_base_payload_set_outcaps (basepayload, "width",
G_TYPE_INT, width, "height", G_TYPE_INT, height, "framerate",
GST_TYPE_FRACTION, num, denom, NULL);
} else {
caps_set = gst_rtp_base_payload_set_outcaps (basepayload, "width",
G_TYPE_INT, width, "height", G_TYPE_INT, height, NULL);
@ -613,6 +632,11 @@ invalid_dimension:
GST_ERROR_OBJECT (rtph264pay, "invalid width/height from caps");
return FALSE;
}
invalid_framerate:
{
GST_ERROR_OBJECT (rtph264pay, "invalid framerate from caps");
return FALSE;
}
error:
{
gst_buffer_unmap (buffer, &map);