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ac3parse: Post AUDIO_CODEC tag

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This commit is contained in:
Sebastian Dröge 2013-12-16 09:49:48 +01:00
parent b3abbe3f5e
commit 6f89b430ea
2 changed files with 35 additions and 2 deletions
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36
gst/audioparsers/gstac3parse.c
View file

@ -46,8 +46,8 @@
#include <string.h>
#include "gstac3parse.h"
#include <gst/base/gstbytereader.h>
#include <gst/base/gstbitreader.h>
#include <gst/base/base.h>
#include <gst/pbutils/pbutils.h>
GST_DEBUG_CATEGORY_STATIC (ac3_parse_debug);
#define GST_CAT_DEFAULT ac3_parse_debug
@ -162,6 +162,8 @@ static gboolean gst_ac3_parse_start (GstBaseParse * parse);
static gboolean gst_ac3_parse_stop (GstBaseParse * parse);
static GstFlowReturn gst_ac3_parse_handle_frame (GstBaseParse * parse,
GstBaseParseFrame * frame, gint * skipsize);
static GstFlowReturn gst_ac3_parse_pre_push_frame (GstBaseParse * parse,
GstBaseParseFrame * frame);
static gboolean gst_ac3_parse_src_event (GstBaseParse * parse,
GstEvent * event);
static GstCaps *gst_ac3_parse_get_sink_caps (GstBaseParse * parse,
@ -196,6 +198,8 @@ gst_ac3_parse_class_init (GstAc3ParseClass * klass)
parse_class->start = GST_DEBUG_FUNCPTR (gst_ac3_parse_start);
parse_class->stop = GST_DEBUG_FUNCPTR (gst_ac3_parse_stop);
parse_class->handle_frame = GST_DEBUG_FUNCPTR (gst_ac3_parse_handle_frame);
parse_class->pre_push_frame =
GST_DEBUG_FUNCPTR (gst_ac3_parse_pre_push_frame);
parse_class->src_event = GST_DEBUG_FUNCPTR (gst_ac3_parse_src_event);
parse_class->get_sink_caps = GST_DEBUG_FUNCPTR (gst_ac3_parse_get_sink_caps);
parse_class->set_sink_caps = GST_DEBUG_FUNCPTR (gst_ac3_parse_set_sink_caps);
@ -208,6 +212,7 @@ gst_ac3_parse_reset (GstAc3Parse * ac3parse)
ac3parse->sample_rate = -1;
ac3parse->blocks = -1;
ac3parse->eac = FALSE;
ac3parse->sent_codec_tag = FALSE;
g_atomic_int_set (&ac3parse->align, GST_AC3_PARSE_ALIGN_NONE);
}
@ -770,6 +775,33 @@ bad_first_access_parameter:
}
}
static GstFlowReturn
gst_ac3_parse_pre_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
{
GstAc3Parse *ac3parse = GST_AC3_PARSE (parse);
if (!ac3parse->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 (ac3parse),
gst_event_new_tag (taglist));
/* also signals the end of first-frame processing */
ac3parse->sent_codec_tag = TRUE;
}
return GST_FLOW_OK;
}
static gboolean
gst_ac3_parse_src_event (GstBaseParse * parse, GstEvent * event)
{

1
gst/audioparsers/gstac3parse.h
View file

@ -61,6 +61,7 @@ struct _GstAc3Parse {
gint channels;
gint blocks;
gboolean eac;
gboolean sent_codec_tag;
volatile gint align;
GstPadChainFunction baseparse_chainfunc;
};