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gst/multipart/multipartmux.c: Add support for mapping gst structure names to the MIME type equivalent.

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Original commit message from CVS:
* gst/multipart/multipartmux.c: (gst_multipart_mux_class_init),
(gst_multipart_mux_get_mime), (gst_multipart_mux_collected):
Add support for mapping gst structure names to the MIME type equivalent.
Implemented for audio/x-mulaw->audio/basic. Fixes #442874.
This commit is contained in:
Wim Taymans 2007-06-05 09:11:41 +00:00
parent 10da08ace4
commit 46ae6f904f
2 changed files with 55 additions and 2 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2007-06-05 Wim Taymans <wim@fluendo.com>
* gst/multipart/multipartmux.c: (gst_multipart_mux_class_init),
(gst_multipart_mux_get_mime), (gst_multipart_mux_collected):
Add support for mapping gst structure names to the MIME type equivalent.
Implemented for audio/x-mulaw->audio/basic. Fixes #442874.
2007-06-03 Sebastian Dröge <slomo@circular-chaos.org>
* gst/wavenc/gstwavenc.c: (gst_wavenc_create_header_buf),

50
gst/multipart/multipartmux.c
View file

@ -54,6 +54,7 @@ GST_DEBUG_CATEGORY_STATIC (gst_multipart_mux_debug);
#define GST_TYPE_MULTIPART_MUX (gst_multipart_mux_get_type())
#define GST_MULTIPART_MUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MULTIPART_MUX, GstMultipartMux))
#define GST_MULTIPART_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MULTIPART_MUX, GstMultipartMux))
#define GST_MULTIPART_MUX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_MULTIPART_MUX, GstMultipartMuxClass))
#define GST_IS_MULTIPART_MUX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MULTIPART_MUX))
#define GST_IS_MULTIPART_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MULTIPART_MUX))
@ -101,6 +102,8 @@ struct _GstMultipartMux
struct _GstMultipartMuxClass
{
GstElementClass parent_class;
GHashTable *mimetypes;
};
/* elementfactory information */
@ -131,6 +134,18 @@ static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink_%d",
GST_STATIC_CAPS_ANY /* we can take anything, really */
);
typedef struct
{
const gchar *key;
const gchar *val;
} MimeTypeMap;
/* convert from gst structure names to mime types. Add more when needed. */
static const MimeTypeMap mimetypes[] = {
{"audio/x-mulaw", "audio/basic"},
{NULL, NULL}
};
static void gst_multipart_mux_base_init (gpointer g_class);
static void gst_multipart_mux_class_init (GstMultipartMuxClass * klass);
static void gst_multipart_mux_init (GstMultipartMux * multipart_mux);
@ -197,6 +212,7 @@ gst_multipart_mux_class_init (GstMultipartMuxClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gint i;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
@ -213,6 +229,13 @@ gst_multipart_mux_class_init (GstMultipartMuxClass * klass)
gstelement_class->request_new_pad = gst_multipart_mux_request_new_pad;
gstelement_class->change_state = gst_multipart_mux_change_state;
/* populate mime types */
klass->mimetypes = g_hash_table_new (g_str_hash, g_str_equal);
for (i = 0; mimetypes[i].key; i++) {
g_hash_table_insert (klass->mimetypes, (gpointer) mimetypes[i].key,
(gpointer) mimetypes[i].val);
}
}
static void
@ -320,6 +343,26 @@ gst_multipart_mux_handle_src_event (GstPad * pad, GstEvent * event)
return gst_pad_event_default (pad, event);
}
static const gchar *
gst_multipart_mux_get_mime (GstMultipartMux * mux, GstStructure * s)
{
GstMultipartMuxClass *klass;
const gchar *mime;
const gchar *name;
klass = GST_MULTIPART_MUX_GET_CLASS (mux);
name = gst_structure_get_name (s);
/* use hashtable to convert to mime type */
mime = g_hash_table_lookup (klass->mimetypes, name);
if (mime == NULL) {
/* no mime type mapping, use name */
mime = name;
}
return mime;
}
/*
* Given two pads, compare the buffers queued on it and return 0 if they have
* an equal priority, 1 if the new pad is better, -1 if the old pad is better
@ -423,6 +466,7 @@ gst_multipart_mux_collected (GstCollectPads * pads, GstMultipartMux * mux)
GstBuffer *headerbuf = NULL;
GstBuffer *databuf = NULL;
GstStructure *structure = NULL;
const gchar *mime;
GST_DEBUG_OBJECT (mux, "all pads are collected");
@ -471,10 +515,12 @@ gst_multipart_mux_collected (GstCollectPads * pads, GstMultipartMux * mux)
if (!structure)
goto no_caps;
/* get the mime type for the structure */
mime = gst_multipart_mux_get_mime (mux, structure);
header = g_strdup_printf ("\r\n--%s\r\nContent-Type: %s\r\n"
"Content-Length: %u\r\n\r\n",
mux->boundary, gst_structure_get_name (structure),
GST_BUFFER_SIZE (best->buffer));
mux->boundary, mime, GST_BUFFER_SIZE (best->buffer));
headerlen = strlen (header);
ret = gst_pad_alloc_buffer_and_set_caps (mux->srcpad, GST_BUFFER_OFFSET_NONE,