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rtph263ppay: Implement getcaps following RFC 4629, picks the right annexes
https://bugzilla.gnome.org/show_bug.cgi?id=577784
This commit is contained in:
Olivier Crête
Mark Nauwelaerts
parent
4946cc5e7f
commit
ff31090671
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@ -22,6 +22,7 @@
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#endif
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#include <string.h>
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#include <stdlib.h>
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#include <gst/rtp/gstrtpbuffer.h>
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@ -61,9 +62,21 @@ static GstStaticPadTemplate gst_rtp_h263p_pay_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-h263, " "variant = (string) \"itu\" ")
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GST_STATIC_CAPS ("video/x-h263, " "variant = (string) \"itu\"")
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);
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/*
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* We also set all of those as required:
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*
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* "annex-f = (boolean) {true, false},"
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* "annex-i = (boolean) {true, false},"
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* "annex-j = (boolean) {true, false},"
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* "annex-l = (boolean) {true, false},"
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* "annex-t = (boolean) {true, false},"
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* "annex-v = (boolean) {true, false}")
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*/
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static GstStaticPadTemplate gst_rtp_h263p_pay_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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@ -87,6 +100,8 @@ static void gst_rtp_h263p_pay_get_property (GObject * object, guint prop_id,
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static gboolean gst_rtp_h263p_pay_setcaps (GstBaseRTPPayload * payload,
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GstCaps * caps);
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static GstCaps *gst_rtp_h263p_pay_sink_getcaps (GstBaseRTPPayload * payload,
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GstPad * pad);
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static GstFlowReturn gst_rtp_h263p_pay_handle_buffer (GstBaseRTPPayload *
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payload, GstBuffer * buffer);
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@ -123,6 +138,7 @@ gst_rtp_h263p_pay_class_init (GstRtpH263PPayClass * klass)
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gobject_class->get_property = gst_rtp_h263p_pay_get_property;
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gstbasertppayload_class->set_caps = gst_rtp_h263p_pay_setcaps;
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gstbasertppayload_class->get_caps = gst_rtp_h263p_pay_sink_getcaps;
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gstbasertppayload_class->handle_buffer = gst_rtp_h263p_pay_handle_buffer;
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g_object_class_install_property (G_OBJECT_CLASS (klass),
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@ -191,6 +207,233 @@ gst_rtp_h263p_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
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return res;
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}
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static GstCaps *
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gst_rtp_h263p_pay_sink_getcaps (GstBaseRTPPayload * payload, GstPad * pad)
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{
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GstRtpH263PPay *rtph263ppay;
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GstCaps *caps = gst_caps_new_empty ();
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GstCaps *peercaps = NULL;
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GstCaps *intersect = NULL;
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guint i;
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rtph263ppay = GST_RTP_H263P_PAY (payload);
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peercaps = gst_pad_peer_get_caps (GST_BASE_RTP_PAYLOAD_SRCPAD (payload));
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if (!peercaps)
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return
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gst_caps_copy (gst_pad_get_pad_template_caps
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(GST_BASE_RTP_PAYLOAD_SRCPAD (payload)));
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intersect = gst_caps_intersect (peercaps,
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gst_pad_get_pad_template_caps (GST_BASE_RTP_PAYLOAD_SRCPAD (payload)));
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gst_caps_unref (peercaps);
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if (gst_caps_is_empty (intersect))
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return intersect;
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for (i = 0; i < gst_caps_get_size (intersect); i++) {
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GstStructure *s = gst_caps_get_structure (intersect, i);
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const gchar *encoding_name = gst_structure_get_string (s, "encoding-name");
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if (!strcmp (encoding_name, "H263-2000")) {
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const gchar *profile_str = gst_structure_get_string (s, "profile");
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const gchar *level_str = gst_structure_get_string (s, "level");
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int profile = 0;
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int level = 0;
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if (profile_str && level_str) {
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gboolean i = FALSE, j = FALSE, l = FALSE, t = FALSE, f = FALSE,
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v = FALSE;
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GstStructure *new_s = gst_structure_new ("video/x-h263",
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"variant", G_TYPE_STRING, "itu",
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NULL);
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profile = atoi (profile_str);
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level = atoi (level_str);
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/* These profiles are defined in the H.263 Annex X */
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switch (profile) {
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case 0:
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/* The Baseline Profile (Profile 0) */
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break;
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case 1:
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/* H.320 Coding Efficiency Version 2 Backward-Compatibility Profile
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* (Profile 1)
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* Baseline + Annexes I, J, L.4 and T
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*/
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i = j = l = t = TRUE;
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break;
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case 2:
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/* Version 1 Backward-Compatibility Profile (Profile 2)
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* Baseline + Annex F
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*/
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i = j = l = t = f = TRUE;
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break;
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case 3:
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/* Version 2 Interactive and Streaming Wireless Profile
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* Baseline + Annexes I, J, T
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*/
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i = j = t = TRUE;
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break;
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case 4:
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/* Version 3 Interactive and Streaming Wireless Profile (Profile 4)
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* Baseline + Annexes I, J, T, V, W.6.3.8,
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*/
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/* Missing W.6.3.8 */
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i = j = t = v = TRUE;
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break;
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case 5:
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/* Conversational High Compression Profile (Profile 5)
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* Baseline + Annexes F, I, J, L.4, T, D, U
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*/
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/* Missing D, U */
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f = i = j = l = t = TRUE;
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break;
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case 6:
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/* Conversational Internet Profile (Profile 6)
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* Baseline + Annexes F, I, J, L.4, T, D, U and
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* K with arbitratry slice ordering
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*/
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/* Missing D, U, K with arbitratry slice ordering */
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f = i = j = l = t = TRUE;
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break;
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case 7:
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/* Conversational Interlace Profile (Profile 7)
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* Baseline + Annexes F, I, J, L.4, T, D, U, W.6.3.11
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*/
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/* Missing D, U, W.6.3.11 */
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f = i = j = l = t = TRUE;
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break;
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case 8:
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/* High Latency Profile (Profile 8)
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* Baseline + Annexes F, I, J, L.4, T, D, U, P.5, O.1.1 and
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* K with arbitratry slice ordering
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*/
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/* Missing D, U, P.5, O.1.1 */
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f = i = j = l = t = TRUE;
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break;
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}
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if (f || i || j || t || l || v) {
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GValue list = { 0 };
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GValue vstr = { 0 };
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g_value_init (&list, GST_TYPE_LIST);
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g_value_init (&vstr, G_TYPE_STRING);
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g_value_set_static_string (&vstr, "h263");
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gst_value_list_append_value (&list, &vstr);
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g_value_set_static_string (&vstr, "h263p");
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gst_value_list_append_value (&list, &vstr);
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if (l || v) {
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g_value_set_static_string (&vstr, "h263pp");
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gst_value_list_append_value (&list, &vstr);
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}
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g_value_unset (&vstr);
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gst_structure_set_value (new_s, "h263version", &list);
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g_value_unset (&list);
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} else {
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gst_structure_set (new_s, "h263version", G_TYPE_STRING, "h263", NULL);
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}
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if (!f)
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gst_structure_set (new_s, "annex-f", G_TYPE_BOOLEAN, FALSE, NULL);
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if (!i)
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gst_structure_set (new_s, "annex-i", G_TYPE_BOOLEAN, FALSE, NULL);
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if (!j)
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gst_structure_set (new_s, "annex-j", G_TYPE_BOOLEAN, FALSE, NULL);
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if (!t)
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gst_structure_set (new_s, "annex-t", G_TYPE_BOOLEAN, FALSE, NULL);
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if (!l)
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gst_structure_set (new_s, "annex-l", G_TYPE_BOOLEAN, FALSE, NULL);
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if (!v)
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gst_structure_set (new_s, "annex-v", G_TYPE_BOOLEAN, FALSE, NULL);
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/* FIXME:
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* Ignore the profile for now, gst-ffmpeg need to accept
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* height/width/framerates first
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*/
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gst_caps_merge_structure (caps, new_s);
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} else {
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GstStructure *new_s = gst_structure_new ("video/x-h263",
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"variant", G_TYPE_STRING, "itu",
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"h263version", G_TYPE_STRING, "h263",
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NULL);
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GST_DEBUG_OBJECT (rtph263ppay, "No profile or level specified"
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" for H263-2000, defaulting to baseline H263");
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gst_caps_merge_structure (caps, new_s);
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}
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} else {
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gboolean f = FALSE, i = FALSE, j = FALSE, t = FALSE;
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/* FIXME: ffmpeg support the Appendix K too, how do we express it ?
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* guint k;
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*/
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const gchar *str;
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GstStructure *new_s = gst_structure_new ("video/x-h263",
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"variant", G_TYPE_STRING, "itu",
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NULL);
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str = gst_structure_get_string (s, "f");
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if (str && !strcmp (str, "1"))
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f = TRUE;
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str = gst_structure_get_string (s, "i");
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if (str && !strcmp (str, "1"))
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i = TRUE;
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str = gst_structure_get_string (s, "j");
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if (str && !strcmp (str, "1"))
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j = TRUE;
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str = gst_structure_get_string (s, "t");
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if (str && !strcmp (str, "1"))
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t = TRUE;
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if (f || i || j || t) {
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GValue list = { 0 };
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GValue vstr = { 0 };
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g_value_init (&list, GST_TYPE_LIST);
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g_value_init (&vstr, G_TYPE_STRING);
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g_value_set_static_string (&vstr, "h263");
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gst_value_list_append_value (&list, &vstr);
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g_value_set_static_string (&vstr, "h263p");
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gst_value_list_append_value (&list, &vstr);
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g_value_unset (&vstr);
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gst_structure_set_value (new_s, "h263version", &list);
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g_value_unset (&list);
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} else {
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gst_structure_set (new_s, "h263version", G_TYPE_STRING, "h263", NULL);
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}
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if (!f)
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gst_structure_set (new_s, "annex-f", G_TYPE_BOOLEAN, FALSE, NULL);
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if (!i)
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gst_structure_set (new_s, "annex-i", G_TYPE_BOOLEAN, FALSE, NULL);
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if (!j)
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gst_structure_set (new_s, "annex-j", G_TYPE_BOOLEAN, FALSE, NULL);
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if (!t)
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gst_structure_set (new_s, "annex-t", G_TYPE_BOOLEAN, FALSE, NULL);
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gst_caps_merge_structure (caps, new_s);
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}
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}
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gst_caps_unref (intersect);
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return caps;
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}
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static void
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gst_rtp_h263p_pay_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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