#endif
#include <string.h>
+#include <stdlib.h>
#include <gst/rtp/gstrtpbuffer.h>
+#include <gst/pbutils/pbutils.h>
#include "gstrtph264pay.h"
static void gst_rtp_h264_pay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
+static GstCaps *gst_rtp_h264_pay_getcaps (GstBaseRTPPayload * payload,
+ GstPad * pad);
static gboolean gst_rtp_h264_pay_setcaps (GstBaseRTPPayload * basepayload,
GstCaps * caps);
static GstFlowReturn gst_rtp_h264_pay_handle_buffer (GstBaseRTPPayload * pad,
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_basertppayload_change_state);
+ gstbasertppayload_class->get_caps = gst_rtp_h264_pay_getcaps;
gstbasertppayload_class->set_caps = gst_rtp_h264_pay_setcaps;
gstbasertppayload_class->handle_buffer = gst_rtp_h264_pay_handle_buffer;
gstbasertppayload_class->handle_event = gst_rtp_h264_pay_handle_event;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
+static const gchar *all_levels[] = {
+ "1",
+ "1b",
+ "1.1",
+ "1.2",
+ "1.3",
+ "2",
+ "2.1",
+ "2.2",
+ "3",
+ "3.1",
+ "3.2",
+ "4",
+ "4.1",
+ "4.2",
+ "5",
+ "5.1",
+ NULL
+};
+
+static GstCaps *
+gst_rtp_h264_pay_getcaps (GstBaseRTPPayload * payload, GstPad * pad)
+{
+ GstCaps *allowed_caps;
+
+ allowed_caps =
+ gst_pad_peer_get_caps_reffed (GST_BASE_RTP_PAYLOAD_SRCPAD (payload));
+
+ if (allowed_caps) {
+ GstCaps *caps = NULL;
+ guint i;
+
+ if (gst_caps_is_any (allowed_caps)) {
+ gst_caps_unref (allowed_caps);
+ goto any;
+ }
+
+ if (gst_caps_is_empty (allowed_caps))
+ return allowed_caps;
+
+ caps = gst_caps_new_empty ();
+
+ for (i = 0; i < gst_caps_get_size (allowed_caps); i++) {
+ GstStructure *s = gst_caps_get_structure (allowed_caps, i);
+ GstStructure *new_s = gst_structure_new ("video/x-h264", NULL);
+ const gchar *profile_level_id;
+
+ profile_level_id = gst_structure_get_string (s, "profile-level-id");
+
+ if (profile_level_id && strlen (profile_level_id) == 6) {
+ const gchar *profile;
+ const gchar *level;
+ long int spsint;
+ guint8 sps[3];
+
+ spsint = strtol (profile_level_id, NULL, 16);
+ sps[0] = spsint >> 16;
+ sps[1] = spsint >> 8;
+ sps[2] = spsint;
+
+ profile = gst_codec_utils_h264_get_profile (sps, 3);
+ level = gst_codec_utils_h264_get_level (sps, 3);
+
+ if (profile && level) {
+ GST_LOG_OBJECT (payload, "In caps, have profile %s and level %s",
+ profile, level);
+
+ if (!strcmp (profile, "constrained-baseline"))
+ gst_structure_set (new_s, "profile", G_TYPE_STRING, profile, NULL);
+ else {
+ GValue val = { 0, };
+ GValue profiles = { 0, };
+
+ g_value_init (&profiles, GST_TYPE_LIST);
+ g_value_init (&val, G_TYPE_STRING);
+
+ g_value_set_static_string (&val, profile);
+ gst_value_list_append_value (&profiles, &val);
+
+ g_value_set_static_string (&val, "constrained-baseline");
+ gst_value_list_append_value (&profiles, &val);
+
+ gst_structure_take_value (new_s, "profile", &profiles);
+ }
+
+ if (!strcmp (level, "1"))
+ gst_structure_set (new_s, "level", G_TYPE_STRING, level, NULL);
+ else {
+ GValue levels = { 0, };
+ GValue val = { 0, };
+ int j;
+
+ g_value_init (&levels, GST_TYPE_LIST);
+ g_value_init (&val, G_TYPE_STRING);
+
+ for (j = 0; all_levels[j]; j++) {
+ g_value_set_static_string (&val, all_levels[j]);
+ gst_value_list_prepend_value (&levels, &val);
+ if (!strcmp (level, all_levels[j]))
+ break;
+ }
+ gst_structure_take_value (new_s, "level", &levels);
+ }
+ }
+ }
+
+ gst_caps_merge_structure (caps, new_s);
+ }
+
+ gst_caps_unref (allowed_caps);
+ return caps;
+ }
+
+any:
+ return gst_caps_new_simple ("video/x-h264", NULL);
+}
+
/* take the currently configured SPS and PPS lists and set them on the caps as
* sprop-parameter-sets */
static gboolean