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amrparse: Post AUDIO_CODEC tag

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This commit is contained in:
Sebastian Dröge 2013-12-16 09:54:38 +01:00
parent 6f89b430ea
commit d2ab5199bc
2 changed files with 34 additions and 1 deletions
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34
gst/audioparsers/gstamrparse.c
View file

@ -43,7 +43,7 @@
#include <string.h>
#include "gstamrparse.h"
#include <gst/pbutils/pbutils.h>
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
@ -81,6 +81,8 @@ static GstCaps *gst_amr_parse_sink_getcaps (GstBaseParse * parse,
static GstFlowReturn gst_amr_parse_handle_frame (GstBaseParse * parse,
GstBaseParseFrame * frame, gint * skipsize);
static GstFlowReturn gst_amr_parse_pre_push_frame (GstBaseParse * parse,
GstBaseParseFrame * frame);
G_DEFINE_TYPE (GstAmrParse, gst_amr_parse, GST_TYPE_BASE_PARSE);
@ -113,6 +115,8 @@ gst_amr_parse_class_init (GstAmrParseClass * klass)
parse_class->set_sink_caps = GST_DEBUG_FUNCPTR (gst_amr_parse_sink_setcaps);
parse_class->get_sink_caps = GST_DEBUG_FUNCPTR (gst_amr_parse_sink_getcaps);
parse_class->handle_frame = GST_DEBUG_FUNCPTR (gst_amr_parse_handle_frame);
parse_class->pre_push_frame =
GST_DEBUG_FUNCPTR (gst_amr_parse_pre_push_frame);
}
@ -338,6 +342,7 @@ gst_amr_parse_start (GstBaseParse * parse)
GST_DEBUG ("start");
amrparse->need_header = TRUE;
amrparse->header = 0;
amrparse->sent_codec_tag = FALSE;
return TRUE;
}
@ -410,3 +415,30 @@ gst_amr_parse_sink_getcaps (GstBaseParse * parse, GstCaps * filter)
return res;
}
static GstFlowReturn
gst_amr_parse_pre_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
{
GstAmrParse *amrparse = GST_AMR_PARSE (parse);
if (!amrparse->sent_codec_tag) {
GstTagList *taglist;
GstCaps *caps;
taglist = gst_tag_list_new_empty ();
/* codec tag */
caps = gst_pad_get_current_caps (GST_BASE_PARSE_SRC_PAD (parse));
gst_pb_utils_add_codec_description_to_tag_list (taglist,
GST_TAG_AUDIO_CODEC, caps);
gst_caps_unref (caps);
gst_pad_push_event (GST_BASE_PARSE_SRC_PAD (amrparse),
gst_event_new_tag (taglist));
/* also signals the end of first-frame processing */
amrparse->sent_codec_tag = TRUE;
}
return GST_FLOW_OK;
}

1
gst/audioparsers/gstamrparse.h
View file

@ -61,6 +61,7 @@ struct _GstAmrParse {
GstBaseParse element;
const gint *block_size;
gboolean need_header;
gboolean sent_codec_tag;
gint header;
gboolean wide;
};