opus: Copy metadata in the (de)payloader, but only the relevant ones

The payloader didn't copy anything so far, the depayloader copied every
possible meta. Let's make it consistent and just copy all metas without tags or
with only the audio tag.

https://bugzilla.gnome.org/show_bug.cgi?id=751774
This commit is contained in:
Sebastian Dröge 2015-06-30 13:51:33 +02:00
parent a83dabd5e8
commit 711589ebde
2 changed files with 59 additions and 0 deletions

View file

@ -26,6 +26,7 @@
#include <string.h>
#include <stdlib.h>
#include <gst/rtp/gstrtpbuffer.h>
#include <gst/audio/audio.h>
#include "gstrtpopusdepay.h"
GST_DEBUG_CATEGORY_STATIC (rtpopusdepay_debug);
@ -137,6 +138,25 @@ gst_rtp_opus_depay_setcaps (GstRTPBaseDepayload * depayload, GstCaps * caps)
return ret;
}
static gboolean
foreach_metadata (GstBuffer * inbuf, GstMeta ** meta, gpointer user_data)
{
GstRTPOpusDepay *depay = user_data;
const GstMetaInfo *info = (*meta)->info;
const gchar *const *tags = gst_meta_api_type_get_tags (info->api);
if (!tags || (g_strv_length ((gchar **) tags) == 1
&& gst_meta_api_type_has_tag (info->api,
g_quark_from_string (GST_META_TAG_AUDIO_STR)))) {
GST_DEBUG_OBJECT (depay, "keeping metadata %s", g_type_name (info->api));
} else {
GST_DEBUG_OBJECT (depay, "dropping metadata %s", g_type_name (info->api));
*meta = NULL;
}
return TRUE;
}
static GstBuffer *
gst_rtp_opus_depay_process (GstRTPBaseDepayload * depayload, GstBuffer * buf)
{
@ -147,5 +167,9 @@ gst_rtp_opus_depay_process (GstRTPBaseDepayload * depayload, GstBuffer * buf)
outbuf = gst_rtp_buffer_get_payload_buffer (&rtpbuf);
gst_rtp_buffer_unmap (&rtpbuf);
outbuf = gst_buffer_make_writable (outbuf);
/* Filter away all metas that are not sensible to copy */
gst_buffer_foreach_meta (outbuf, foreach_metadata, depayload);
return outbuf;
}

View file

@ -26,6 +26,7 @@
#include <string.h>
#include <gst/rtp/gstrtpbuffer.h>
#include <gst/audio/audio.h>
#include "gstrtpopuspay.h"
@ -160,18 +161,52 @@ gst_rtp_opus_pay_setcaps (GstRTPBasePayload * payload, GstCaps * caps)
return res;
}
typedef struct
{
GstRtpOPUSPay *pay;
GstBuffer *outbuf;
} CopyMetaData;
static gboolean
foreach_metadata (GstBuffer * inbuf, GstMeta ** meta, gpointer user_data)
{
CopyMetaData *data = user_data;
GstRtpOPUSPay *pay = data->pay;
GstBuffer *outbuf = data->outbuf;
const GstMetaInfo *info = (*meta)->info;
const gchar *const *tags = gst_meta_api_type_get_tags (info->api);
if (!tags || (g_strv_length ((gchar **) tags) == 1
&& gst_meta_api_type_has_tag (info->api,
g_quark_from_string (GST_META_TAG_AUDIO_STR)))) {
GstMetaTransformCopy copy_data = { FALSE, 0, -1 };
GST_DEBUG_OBJECT (pay, "copy metadata %s", g_type_name (info->api));
/* simply copy then */
info->transform_func (outbuf, *meta, inbuf,
_gst_meta_transform_copy, &copy_data);
} else {
GST_DEBUG_OBJECT (pay, "not copying metadata %s", g_type_name (info->api));
}
return TRUE;
}
static GstFlowReturn
gst_rtp_opus_pay_handle_buffer (GstRTPBasePayload * basepayload,
GstBuffer * buffer)
{
GstBuffer *outbuf;
GstClockTime pts, dts, duration;
CopyMetaData data;
pts = GST_BUFFER_PTS (buffer);
dts = GST_BUFFER_DTS (buffer);
duration = GST_BUFFER_DURATION (buffer);
outbuf = gst_rtp_buffer_new_allocate (0, 0, 0);
data.pay = GST_RTP_OPUS_PAY (basepayload);
data.outbuf = outbuf;
gst_buffer_foreach_meta (buffer, foreach_metadata, &data);
outbuf = gst_buffer_append (outbuf, buffer);
GST_BUFFER_PTS (outbuf) = pts;