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webrtc stats: Add more details about codecs into the stats

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This makes the output a little closer to what the upstream stats are.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1448>
This commit is contained in:
Olivier Crête 2021-12-13 16:56:37 -05:00
parent 31f4444724
commit f35435f1f7
1 changed files with 40 additions and 1 deletions
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41
subprojects/gst-plugins-bad/ext/webrtc/gstwebrtcstats.c
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@ -31,6 +31,8 @@
#include "utils.h"
#include "webrtctransceiver.h"
#include <stdlib.h>
#define GST_CAT_DEFAULT gst_webrtc_stats_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
@ -776,9 +778,13 @@ _get_codec_stats_from_pad (GstWebRTCBin * webrtc, GstPad * pad,
_set_base_stats (stats, GST_WEBRTC_STATS_CODEC, ts, id);
caps = gst_pad_get_current_caps (pad);
GST_DEBUG_OBJECT (pad, "Pad caps are: %" GST_PTR_FORMAT, caps);
if (caps && gst_caps_is_fixed (caps)) {
GstStructure *caps_s = gst_caps_get_structure (caps, 0);
gint pt;
const gchar *encoding_name, *media, *encoding_params;
GstSDPMedia sdp_media = { 0 };
guint channels = 0;
if (gst_structure_get_int (caps_s, "payload", &pt))
gst_structure_set (stats, "payload-type", G_TYPE_UINT, pt, NULL);
@ -789,7 +795,40 @@ _get_codec_stats_from_pad (GstWebRTCBin * webrtc, GstPad * pad,
if (gst_structure_get_uint (caps_s, "ssrc", &ssrc))
gst_structure_set (stats, "ssrc", G_TYPE_UINT, ssrc, NULL);
/* FIXME: codecType, mimeType, channels, sdpFmtpLine, implementation, transportId */
media = gst_structure_get_string (caps_s, "media");
encoding_name = gst_structure_get_string (caps_s, "encoding-name");
encoding_params = gst_structure_get_string (caps_s, "encoding-params");
if (media || encoding_name) {
gchar *mime_type;
mime_type = g_strdup_printf ("%s/%s", media ? media : "",
encoding_name ? encoding_name : "");
gst_structure_set (stats, "mime-type", G_TYPE_STRING, mime_type, NULL);
g_free (mime_type);
}
if (encoding_params)
channels = atoi (encoding_params);
if (channels)
gst_structure_set (stats, "channels", G_TYPE_UINT, channels, NULL);
if (gst_pad_get_direction (pad) == GST_PAD_SRC)
gst_structure_set (stats, "codec-type", G_TYPE_STRING, "decode", NULL);
else
gst_structure_set (stats, "codec-type", G_TYPE_STRING, "encode", NULL);
gst_sdp_media_init (&sdp_media);
if (gst_sdp_media_set_media_from_caps (caps, &sdp_media) == GST_SDP_OK) {
const gchar *fmtp = gst_sdp_media_get_attribute_val (&sdp_media, "fmtp");
if (fmtp) {
gst_structure_set (stats, "sdp-fmtp-line", G_TYPE_STRING, fmtp, NULL);
}
}
gst_sdp_media_uninit (&sdp_media);
/* FIXME: transportId */
}
if (caps)