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flvmux: Store incoming bitrate tags and send in the metadata

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Apparently the Microsoft Azure RTMP server requires that the
videodatarate and audiodatarate metadata be provided, so
set those, even if it's to 0. Use the actual input bitrate
tags if available.
This commit is contained in:
Jan Schmidt 2015-07-30 00:59:15 +10:00
parent b38e24995b
commit db2967125b
2 changed files with 33 additions and 2 deletions
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33
gst/flv/gstflvmux.c
View file

@ -280,23 +280,37 @@ gst_flv_mux_handle_src_event (GstPad * pad, GstObject * parent,
return gst_pad_event_default (pad, parent, event);
}
/* Extract per-codec relevant tags for
* insertion into the metadata later - ie bitrate,
* but maybe others in the future */
static void
gst_flv_mux_store_codec_tags (GstFlvMux * mux,
GstFlvPad * flvpad, GstTagList * list)
{
/* Look for a bitrate as either nominal or actual bitrate tag */
if (gst_tag_list_get_uint (list, GST_TAG_NOMINAL_BITRATE, &flvpad->bitrate) ||
gst_tag_list_get_uint (list, GST_TAG_BITRATE, &flvpad->bitrate)) {
GST_DEBUG_OBJECT (mux, "Stored bitrate for pad %" GST_PTR_FORMAT " = %u",
flvpad, flvpad->bitrate);
}
}
static gboolean
gst_flv_mux_handle_sink_event (GstCollectPads * pads, GstCollectData * data,
GstEvent * event, gpointer user_data)
{
GstFlvMux *mux = GST_FLV_MUX (user_data);
GstFlvPad *flvpad = (GstFlvPad *) data;
gboolean ret = TRUE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
GstFlvPad *flvpad;
gst_event_parse_caps (event, &caps);
/* find stream data */
flvpad = (GstFlvPad *) data;
g_assert (flvpad);
if (flvpad->video) {
@ -316,6 +330,7 @@ gst_flv_mux_handle_sink_event (GstCollectPads * pads, GstCollectData * data,
gst_event_parse_tag (event, &list);
gst_tag_setter_merge_tags (setter, list, mode);
gst_flv_mux_store_codec_tags (mux, flvpad, list);
mux->new_tags = TRUE;
ret = TRUE;
gst_event_unref (event);
@ -888,6 +903,13 @@ tags:
script_tag = gst_buffer_append (script_tag, tmp);
tags_written++;
}
GST_DEBUG_OBJECT (mux, "putting videodatarate %u KB/s in the metadata",
cpad->bitrate / 1024);
tmp = gst_flv_mux_create_number_script_value ("videodatarate",
cpad->bitrate / 1024);
script_tag = gst_buffer_append (script_tag, tmp);
tags_written++;
}
}
@ -912,6 +934,13 @@ tags:
cpad->audio_codec);
script_tag = gst_buffer_append (script_tag, tmp);
tags_written++;
GST_DEBUG_OBJECT (mux, "putting audiodatarate %u KB/s in the metadata",
cpad->bitrate / 1024);
tmp = gst_flv_mux_create_number_script_value ("audiodatarate",
cpad->bitrate / 1024);
script_tag = gst_buffer_append (script_tag, tmp);
tags_written++;
}
}

2
gst/flv/gstflvmux.h
View file

@ -52,6 +52,8 @@ typedef struct
guint video_codec;
GstBuffer *video_codec_data;
guint bitrate;
GstClockTime last_timestamp;
gint64 pts;
gint64 dts;