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oggstream: use separate tag extraction vfunction

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This commit is contained in:
Mark Nauwelaerts 2010-10-27 12:08:25 +02:00
parent cc3dfd31d0
commit d5055a9f23
3 changed files with 70 additions and 20 deletions
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2
ext/ogg/gstoggdemux.c
View file

@ -836,6 +836,8 @@ gst_ogg_pad_submit_packet (GstOggPad * pad, ogg_packet * packet)
}
}
} else {
/* look for tags in header packet (before inc header count) */
gst_ogg_stream_extract_tags (&pad->map, packet);
pad->map.n_header_packets_seen++;
if (!pad->map.have_headers) {
pad->map.headers =

87
ext/ogg/gstoggstream.c
View file

@ -55,6 +55,8 @@ typedef gboolean (*GstOggMapIsHeaderPacketFunc) (GstOggStream * pad,
ogg_packet * packet);
typedef gint64 (*GstOggMapPacketDurationFunc) (GstOggStream * pad,
ogg_packet * packet);
typedef void (*GstOggMapExtractTagsFunc) (GstOggStream * pad,
ogg_packet * packet);
typedef gint64 (*GstOggMapGranuleposToKeyGranuleFunc) (GstOggStream * pad,
gint64 granulepos);
@ -76,6 +78,7 @@ struct _GstOggMap
GstOggMapIsHeaderPacketFunc is_header_func;
GstOggMapPacketDurationFunc packet_duration_func;
GstOggMapGranuleposToKeyGranuleFunc granulepos_to_key_granule_func;
GstOggMapExtractTagsFunc extract_tags_func;
};
extern const GstOggMap mappers[];
@ -210,6 +213,18 @@ gst_ogg_stream_get_packet_duration (GstOggStream * pad, ogg_packet * packet)
return mappers[pad->map].packet_duration_func (pad, packet);
}
void
gst_ogg_stream_extract_tags (GstOggStream * pad, ogg_packet * packet)
{
if (mappers[pad->map].extract_tags_func == NULL) {
GST_DEBUG ("No tag extraction");
return;
}
mappers[pad->map].extract_tags_func (pad, packet);
}
/* some generic functions */
static gboolean
@ -639,11 +654,6 @@ granulepos_to_key_granule_vp8 (GstOggStream * pad, gint64 granulepos)
static gboolean
is_header_vp8 (GstOggStream * pad, ogg_packet * packet)
{
if (packet->bytes >= 7 && memcmp (packet->packet, "OVP80\2 ", 7) == 0) {
tag_list_from_vorbiscomment_packet (packet,
(const guint8 *) "OVP80\2 ", 7, &pad->taglist);
}
if (packet->bytes >= 5 && packet->packet[0] == 0x4F &&
packet->packet[1] == 0x56 && packet->packet[2] == 0x50 &&
packet->packet[3] == 0x38 && packet->packet[4] == 0x30)
@ -651,6 +661,15 @@ is_header_vp8 (GstOggStream * pad, ogg_packet * packet)
return FALSE;
}
static void
extract_tags_vp8 (GstOggStream * pad, ogg_packet * packet)
{
if (packet->bytes >= 7 && memcmp (packet->packet, "OVP80\2 ", 7) == 0) {
tag_list_from_vorbiscomment_packet (packet,
(const guint8 *) "OVP80\2 ", 7, &pad->taglist);
}
}
/* vorbis */
static gboolean
@ -708,6 +727,19 @@ is_header_vorbis (GstOggStream * pad, ogg_packet * packet)
if (packet->bytes > 0 && (packet->packet[0] & 0x01) == 0)
return FALSE;
if (packet->packet[0] == 5) {
parse_vorbis_setup_packet (pad, packet);
}
return TRUE;
}
static void
extract_tags_vorbis (GstOggStream * pad, ogg_packet * packet)
{
if (packet->bytes == 0 || (packet->packet[0] & 0x01) == 0)
return;
if (((guint8 *) (packet->packet))[0] == 0x03) {
tag_list_from_vorbiscomment_packet (packet,
(const guint8 *) "\003vorbis", 7, &pad->taglist);
@ -734,12 +766,6 @@ is_header_vorbis (GstOggStream * pad, ogg_packet * packet)
gst_tag_list_add (pad->taglist, GST_TAG_MERGE_REPLACE,
GST_TAG_BITRATE, (guint) pad->bitrate, NULL);
}
if (packet->packet[0] == 5) {
parse_vorbis_setup_packet (pad, packet);
}
return TRUE;
}
static gint64
@ -1295,17 +1321,21 @@ gst_ogg_map_search_index (GstOggStream * pad, gboolean before,
static gboolean
is_header_ogm (GstOggStream * pad, ogg_packet * packet)
{
if (!(packet->packet[0] & 1) && (packet->packet[0] & 3 && pad->is_ogm_text)) {
tag_list_from_vorbiscomment_packet (packet,
(const guint8 *) "\003vorbis", 7, &pad->taglist);
}
if (packet->bytes >= 1 && (packet->packet[0] & 0x01))
return TRUE;
return FALSE;
}
static void
extract_tags_ogm (GstOggStream * pad, ogg_packet * packet)
{
if (!(packet->packet[0] & 1) && (packet->packet[0] & 3 && pad->is_ogm_text)) {
tag_list_from_vorbiscomment_packet (packet,
(const guint8 *) "\003vorbis", 7, &pad->taglist);
}
}
static gint64
packet_duration_ogm (GstOggStream * pad, ogg_packet * packet)
{
@ -1674,6 +1704,7 @@ const GstOggMap mappers[] = {
is_keyframe_theora,
is_header_theora,
packet_duration_constant,
NULL,
NULL
},
{
@ -1685,7 +1716,8 @@ const GstOggMap mappers[] = {
is_keyframe_true,
is_header_vorbis,
packet_duration_vorbis,
NULL
NULL,
extract_tags_vorbis
},
{
"Speex", 5, 80,
@ -1696,6 +1728,7 @@ const GstOggMap mappers[] = {
is_keyframe_true,
is_header_count,
packet_duration_constant,
NULL,
NULL
},
{
@ -1707,6 +1740,7 @@ const GstOggMap mappers[] = {
NULL,
is_header_count,
NULL,
NULL,
NULL
},
{
@ -1718,6 +1752,7 @@ const GstOggMap mappers[] = {
NULL,
is_header_count,
NULL,
NULL,
NULL
},
{
@ -1729,6 +1764,7 @@ const GstOggMap mappers[] = {
NULL,
is_header_count,
NULL,
NULL,
NULL
},
{
@ -1740,6 +1776,7 @@ const GstOggMap mappers[] = {
NULL,
is_header_true,
NULL,
NULL,
NULL
},
{
@ -1751,6 +1788,7 @@ const GstOggMap mappers[] = {
is_keyframe_true,
is_header_fLaC,
packet_duration_flac,
NULL,
NULL
},
{
@ -1762,6 +1800,7 @@ const GstOggMap mappers[] = {
is_keyframe_true,
is_header_flac,
packet_duration_flac,
NULL,
NULL
},
{
@ -1772,6 +1811,7 @@ const GstOggMap mappers[] = {
NULL,
NULL,
NULL,
NULL,
NULL
},
{
@ -1783,6 +1823,7 @@ const GstOggMap mappers[] = {
NULL,
is_header_count,
packet_duration_constant,
NULL,
NULL
},
{
@ -1794,6 +1835,7 @@ const GstOggMap mappers[] = {
NULL,
is_header_count,
NULL,
NULL,
NULL
},
{
@ -1805,7 +1847,8 @@ const GstOggMap mappers[] = {
is_keyframe_dirac,
is_header_count,
packet_duration_constant,
granulepos_to_key_granule_dirac
granulepos_to_key_granule_dirac,
NULL
},
{
"OVP80\1\1", 7, 4,
@ -1816,7 +1859,8 @@ const GstOggMap mappers[] = {
is_keyframe_vp8,
is_header_vp8,
packet_duration_vp8,
granulepos_to_key_granule_vp8
granulepos_to_key_granule_vp8,
extract_tags_vp8
},
{
"\001audio\0\0\0", 9, 53,
@ -1827,6 +1871,7 @@ const GstOggMap mappers[] = {
is_keyframe_true,
is_header_ogm,
packet_duration_ogm,
NULL,
NULL
},
{
@ -1838,6 +1883,7 @@ const GstOggMap mappers[] = {
NULL,
is_header_ogm,
packet_duration_constant,
NULL,
NULL
},
{
@ -1849,7 +1895,8 @@ const GstOggMap mappers[] = {
is_keyframe_true,
is_header_ogm,
packet_duration_ogm,
NULL
NULL,
extract_tags_ogm
}
};
/* *INDENT-ON* */

1
ext/ogg/gstoggstream.h
View file

@ -119,6 +119,7 @@ gboolean gst_ogg_stream_granulepos_is_key_frame (GstOggStream *pad,
gint64 granulepos);
gboolean gst_ogg_stream_packet_is_header (GstOggStream *pad, ogg_packet *packet);
gint64 gst_ogg_stream_get_packet_duration (GstOggStream * pad, ogg_packet *packet);
void gst_ogg_stream_extract_tags (GstOggStream * pad, ogg_packet * packet);
gboolean gst_ogg_map_parse_fisbone (GstOggStream * pad, const guint8 * data, guint size,
guint32 * serialno, GstOggSkeleton *type);