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wavpackparse: Post AUDIO_CODEC tag

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This commit is contained in:
Sebastian Dröge 2013-12-16 10:02:37 +01:00
parent 753d3c23a2
commit 2927805749
2 changed files with 37 additions and 1 deletions
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36
gst/audioparsers/gstwavpackparse.c
View file

@ -41,7 +41,8 @@
#include "gstwavpackparse.h" #include "gstwavpackparse.h"
#include <gst/base/gstbytereader.h> #include <gst/base/base.h>
#include <gst/pbutils/pbutils.h>
#include <gst/audio/audio.h> #include <gst/audio/audio.h>
GST_DEBUG_CATEGORY_STATIC (wavpack_parse_debug); GST_DEBUG_CATEGORY_STATIC (wavpack_parse_debug);
@ -70,6 +71,8 @@ static GstFlowReturn gst_wavpack_parse_handle_frame (GstBaseParse * parse,
GstBaseParseFrame * frame, gint * skipsize); GstBaseParseFrame * frame, gint * skipsize);
static GstCaps *gst_wavpack_parse_get_sink_caps (GstBaseParse * parse, static GstCaps *gst_wavpack_parse_get_sink_caps (GstBaseParse * parse,
GstCaps * filter); GstCaps * filter);
static GstFlowReturn gst_wavpack_parse_pre_push_frame (GstBaseParse * parse,
GstBaseParseFrame * frame);
#define gst_wavpack_parse_parent_class parent_class #define gst_wavpack_parse_parent_class parent_class
G_DEFINE_TYPE (GstWavpackParse, gst_wavpack_parse, GST_TYPE_BASE_PARSE); G_DEFINE_TYPE (GstWavpackParse, gst_wavpack_parse, GST_TYPE_BASE_PARSE);
@ -92,6 +95,8 @@ gst_wavpack_parse_class_init (GstWavpackParseClass * klass)
GST_DEBUG_FUNCPTR (gst_wavpack_parse_handle_frame); GST_DEBUG_FUNCPTR (gst_wavpack_parse_handle_frame);
parse_class->get_sink_caps = parse_class->get_sink_caps =
GST_DEBUG_FUNCPTR (gst_wavpack_parse_get_sink_caps); GST_DEBUG_FUNCPTR (gst_wavpack_parse_get_sink_caps);
parse_class->pre_push_frame =
GST_DEBUG_FUNCPTR (gst_wavpack_parse_pre_push_frame);
gst_element_class_add_pad_template (element_class, gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template)); gst_static_pad_template_get (&sink_template));
@ -111,6 +116,7 @@ gst_wavpack_parse_reset (GstWavpackParse * wvparse)
wvparse->sample_rate = -1; wvparse->sample_rate = -1;
wvparse->width = -1; wvparse->width = -1;
wvparse->total_samples = 0; wvparse->total_samples = 0;
wvparse->sent_codec_tag = FALSE;
} }
static void static void
@ -661,3 +667,31 @@ gst_wavpack_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
return res; return res;
} }
static GstFlowReturn
gst_wavpack_parse_pre_push_frame (GstBaseParse * parse,
GstBaseParseFrame * frame)
{
GstWavpackParse *wavpackparse = GST_WAVPACK_PARSE (parse);
if (!wavpackparse->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 (wavpackparse),
gst_event_new_tag (taglist));
/* also signals the end of first-frame processing */
wavpackparse->sent_codec_tag = TRUE;
}
return GST_FLOW_OK;
}

2
gst/audioparsers/gstwavpackparse.h
View file

@ -112,6 +112,8 @@ struct _GstWavpackParse {
gint channel_mask; gint channel_mask;
guint total_samples; guint total_samples;
gboolean sent_codec_tag;
}; };
/** /**