mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-25 01:30:38 +00:00
Code Issues 1 Projects Releases Wiki Activity

ext/: Added query/convert/formats functions to vorbis and theora decoders so that the outside world can use them too....

Browse source 
Original commit message from CVS:
* ext/theora/theoradec.c: (gst_theora_dec_init),
(theora_get_formats), (theora_get_event_masks),
(theora_get_query_types), (theora_dec_src_convert),
(theora_dec_sink_convert), (theora_dec_src_query),
(theora_dec_src_event), (theora_dec_event), (theora_dec_chain):
* ext/vorbis/vorbisdec.c: (vorbis_dec_get_formats),
(vorbis_get_event_masks), (vorbis_get_query_types),
(gst_vorbis_dec_init), (vorbis_dec_convert),
(vorbis_dec_src_query), (vorbis_dec_src_event), (vorbis_dec_event):
Added query/convert/formats functions to vorbis and theora decoders
so that the outside world can use them too. Fixed seeking on an
ogg/theora/vorbis file by disabling the seeking on the
theora srcpad.
This commit is contained in:
Wim Taymans 2004-07-21 13:28:23 +00:00
parent a9aec497a5
commit 8caa0523e7
3 changed files with 357 additions and 159 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
ChangeLog
View file

@ -1,3 +1,19 @@
2004-07-21 Wim Taymans <wim@fluendo.com>
* ext/theora/theoradec.c: (gst_theora_dec_init),
(theora_get_formats), (theora_get_event_masks),
(theora_get_query_types), (theora_dec_src_convert),
(theora_dec_sink_convert), (theora_dec_src_query),
(theora_dec_src_event), (theora_dec_event), (theora_dec_chain):
* ext/vorbis/vorbisdec.c: (vorbis_dec_get_formats),
(vorbis_get_event_masks), (vorbis_get_query_types),
(gst_vorbis_dec_init), (vorbis_dec_convert),
(vorbis_dec_src_query), (vorbis_dec_src_event), (vorbis_dec_event):
Added query/convert/formats functions to vorbis and theora decoders
so that the outside world can use them too. Fixed seeking on an
ogg/theora/vorbis file by disabling the seeking seeking on the
theora srcpad.
2004-07-21 Julien MOUTTE <julien@moutte.net> 2004-07-21 Julien MOUTTE <julien@moutte.net>
* sys/ximage/ximagesink.c: (gst_ximagesink_ximage_new), * sys/ximage/ximagesink.c: (gst_ximagesink_ximage_new),

341
ext/theora/theoradec.c
View file

@ -69,7 +69,8 @@ static GstElementDetails theora_dec_details = {
"TheoraDec", "TheoraDec",
"Codec/Decoder/Video", "Codec/Decoder/Video",
"decode raw theora streams to raw YUV video", "decode raw theora streams to raw YUV video",
"Benjamin Otte <in7y118@public.uni-hamburg.de>", "Benjamin Otte <in7y118@public.uni-hamburg.de>, "
"Wim Taymans <wim@fluendo.com>",
}; };
static GstStaticPadTemplate theora_dec_src_factory = static GstStaticPadTemplate theora_dec_src_factory =
@ -96,6 +97,15 @@ static GstElementStateReturn theora_dec_change_state (GstElement * element);
static gboolean theora_dec_src_event (GstPad * pad, GstEvent * event); static gboolean theora_dec_src_event (GstPad * pad, GstEvent * event);
static gboolean theora_dec_src_query (GstPad * pad, static gboolean theora_dec_src_query (GstPad * pad,
GstQueryType query, GstFormat * format, gint64 * value); GstQueryType query, GstFormat * format, gint64 * value);
static gboolean theora_dec_src_convert (GstPad * pad,
GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value);
static gboolean theora_dec_sink_convert (GstPad * pad,
GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value);
static const GstFormat *theora_get_formats (GstPad * pad);
static const GstEventMask *theora_get_event_masks (GstPad * pad);
static const GstQueryType *theora_get_query_types (GstPad * pad);
static void static void
@ -126,6 +136,8 @@ gst_theora_dec_init (GstTheoraDec * dec)
dec->sinkpad = dec->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get gst_pad_new_from_template (gst_static_pad_template_get
(&theora_dec_sink_factory), "sink"); (&theora_dec_sink_factory), "sink");
gst_pad_set_formats_function (dec->sinkpad, theora_get_formats);
gst_pad_set_convert_function (dec->sinkpad, theora_dec_sink_convert);
gst_pad_set_chain_function (dec->sinkpad, theora_dec_chain); gst_pad_set_chain_function (dec->sinkpad, theora_dec_chain);
gst_element_add_pad (GST_ELEMENT (dec), dec->sinkpad); gst_element_add_pad (GST_ELEMENT (dec), dec->sinkpad);
@ -133,8 +145,13 @@ gst_theora_dec_init (GstTheoraDec * dec)
gst_pad_new_from_template (gst_static_pad_template_get gst_pad_new_from_template (gst_static_pad_template_get
(&theora_dec_src_factory), "src"); (&theora_dec_src_factory), "src");
gst_pad_use_explicit_caps (dec->srcpad); gst_pad_use_explicit_caps (dec->srcpad);
gst_pad_set_event_mask_function (dec->srcpad, theora_get_event_masks);
gst_pad_set_event_function (dec->srcpad, theora_dec_src_event); gst_pad_set_event_function (dec->srcpad, theora_dec_src_event);
gst_pad_set_query_type_function (dec->srcpad, theora_get_query_types);
gst_pad_set_query_function (dec->srcpad, theora_dec_src_query); gst_pad_set_query_function (dec->srcpad, theora_dec_src_query);
gst_pad_set_formats_function (dec->srcpad, theora_get_formats);
gst_pad_set_convert_function (dec->srcpad, theora_dec_src_convert);
gst_element_add_pad (GST_ELEMENT (dec), dec->srcpad); gst_element_add_pad (GST_ELEMENT (dec), dec->srcpad);
GST_FLAG_SET (dec, GST_ELEMENT_EVENT_AWARE); GST_FLAG_SET (dec, GST_ELEMENT_EVENT_AWARE);
@ -153,65 +170,151 @@ _theora_ilog (unsigned int v)
return (ret); return (ret);
} }
static gboolean static const GstFormat *
theora_dec_from_granulepos (GstTheoraDec * dec, GstFormat format, guint64 from, theora_get_formats (GstPad * pad)
guint64 * to)
{ {
guint64 framecount; static GstFormat src_formats[] = {
guint ilog = _theora_ilog (dec->info.keyframe_frequency_force - 1); GST_FORMAT_DEFAULT, /* frames in this case */
GST_FORMAT_TIME,
GST_FORMAT_BYTES,
0
};
static GstFormat sink_formats[] = {
GST_FORMAT_DEFAULT,
GST_FORMAT_TIME,
0
};
if (dec->packetno < 1) return (GST_PAD_IS_SRC (pad) ? src_formats : sink_formats);
return FALSE;
/* granulepos is last ilog bits for counting pframes since last iframe and
* bits in front of that for the framenumber of the last iframe. */
framecount = from >> ilog;
framecount += from - (framecount << ilog);
switch (format) {
case GST_FORMAT_TIME:
*to = framecount * (GST_SECOND * dec->info.fps_denominator /
dec->info.fps_numerator);
break;
case GST_FORMAT_DEFAULT:
*to = framecount;
break;
case GST_FORMAT_BYTES:
*to = framecount * dec->info.height * dec->info.width * 3 / 2;
break;
default:
return FALSE;
}
return TRUE;
} }
/* FIXME: we can only seek to keyframes... */ static const GstEventMask *
static gboolean theora_get_event_masks (GstPad * pad)
theora_dec_to_granulepos (GstTheoraDec * dec, GstFormat format, guint64 from,
guint64 * to)
{ {
guint64 framecount; static const GstEventMask theora_src_event_masks[] = {
{GST_EVENT_SEEK, GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH},
{0,}
};
return theora_src_event_masks;
}
static const GstQueryType *
theora_get_query_types (GstPad * pad)
{
static const GstQueryType theora_src_query_types[] = {
GST_QUERY_TOTAL,
GST_QUERY_POSITION,
0
};
return theora_src_query_types;
}
static gboolean
theora_dec_src_convert (GstPad * pad,
GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value)
{
gboolean res = TRUE;
GstTheoraDec *dec;
guint64 scale = 1;
dec = GST_THEORA_DEC (gst_pad_get_parent (pad));
/* we need the info part before we can done something */
if (dec->packetno < 1) if (dec->packetno < 1)
return FALSE; return FALSE;
switch (format) { switch (src_format) {
case GST_FORMAT_BYTES:
switch (*dest_format) {
case GST_FORMAT_DEFAULT:
*dest_value =
src_value * 2 / (dec->info.height * dec->info.width * 3);
break;
case GST_FORMAT_TIME:
/* seems like a rather silly conversion, implement me if you like */
default:
res = FALSE;
}
break;
case GST_FORMAT_TIME: case GST_FORMAT_TIME:
framecount = switch (*dest_format) {
from * dec->info.fps_numerator / (GST_SECOND * case GST_FORMAT_BYTES:
dec->info.fps_denominator); scale = 4 * (dec->info.width * dec->info.height) / 3;
case GST_FORMAT_DEFAULT:
*dest_value = src_value * scale * dec->info.fps_numerator /
(dec->info.fps_denominator * GST_SECOND);
break;
default:
res = FALSE;
}
break; break;
case GST_FORMAT_DEFAULT: case GST_FORMAT_DEFAULT:
framecount = from; switch (*dest_format) {
break; case GST_FORMAT_TIME:
case GST_FORMAT_BYTES: *dest_value = src_value * (GST_SECOND * dec->info.fps_denominator /
framecount = from * 8 / (dec->info.height * dec->info.width * 12); dec->info.fps_numerator);
break;
case GST_FORMAT_BYTES:
*dest_value =
src_value * 3 * (dec->info.width * dec->info.height) / 2;
break;
default:
res = FALSE;
}
break; break;
default: default:
return FALSE; res = FALSE;
} }
*to = framecount << _theora_ilog (dec->info.keyframe_frequency_force - 1);
return TRUE; return res;
}
static gboolean
theora_dec_sink_convert (GstPad * pad,
GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value)
{
gboolean res = TRUE;
GstTheoraDec *dec;
dec = GST_THEORA_DEC (gst_pad_get_parent (pad));
/* we need the info part before we can done something */
if (dec->packetno < 1)
return FALSE;
switch (src_format) {
case GST_FORMAT_DEFAULT:
{
guint64 framecount;
guint ilog;
ilog = _theora_ilog (dec->info.keyframe_frequency_force - 1);
/* granulepos is last ilog bits for counting pframes since last iframe and
* bits in front of that for the framenumber of the last iframe. */
framecount = src_value >> ilog;
framecount += src_value - (framecount << ilog);
switch (*dest_format) {
case GST_FORMAT_TIME:
*dest_value = framecount * (GST_SECOND * dec->info.fps_denominator /
dec->info.fps_numerator);
break;
default:
res = FALSE;
}
break;
}
default:
res = FALSE;
}
return res;
} }
static gboolean static gboolean
@ -221,16 +324,25 @@ theora_dec_src_query (GstPad * pad, GstQueryType query, GstFormat * format,
gint64 granulepos; gint64 granulepos;
GstTheoraDec *dec = GST_THEORA_DEC (gst_pad_get_parent (pad)); GstTheoraDec *dec = GST_THEORA_DEC (gst_pad_get_parent (pad));
GstFormat my_format = GST_FORMAT_DEFAULT; GstFormat my_format = GST_FORMAT_DEFAULT;
guint64 time;
if (query == GST_QUERY_POSITION) { if (query == GST_QUERY_POSITION) {
/* this is easy, we can convert a granule position to everything */
granulepos = dec->granulepos; granulepos = dec->granulepos;
} else { } else {
/* for the total, we just forward the query to the peer */
if (!gst_pad_query (GST_PAD_PEER (dec->sinkpad), query, &my_format, if (!gst_pad_query (GST_PAD_PEER (dec->sinkpad), query, &my_format,
&granulepos)) &granulepos))
return FALSE; return FALSE;
} }
if (!theora_dec_from_granulepos (dec, *format, granulepos, value)) /* and convert to the final format in two steps with time as the
* intermediate step */
my_format = GST_FORMAT_TIME;
if (!theora_dec_sink_convert (dec->sinkpad, granulepos, GST_FORMAT_DEFAULT,
&my_format, &time))
return FALSE;
if (!theora_dec_src_convert (pad, my_format, time, format, value))
return FALSE; return FALSE;
GST_LOG_OBJECT (dec, GST_LOG_OBJECT (dec,
@ -244,6 +356,7 @@ theora_dec_src_event (GstPad * pad, GstEvent * event)
{ {
gboolean res = TRUE; gboolean res = TRUE;
GstTheoraDec *dec; GstTheoraDec *dec;
GstFormat format;
dec = GST_THEORA_DEC (gst_pad_get_parent (pad)); dec = GST_THEORA_DEC (gst_pad_get_parent (pad));
@ -251,17 +364,23 @@ theora_dec_src_event (GstPad * pad, GstEvent * event)
case GST_EVENT_SEEK:{ case GST_EVENT_SEEK:{
guint64 value; guint64 value;
res = theora_dec_to_granulepos (dec, GST_EVENT_SEEK_FORMAT (event), /* convert to granulepos, this will fail as we cannot generate
GST_EVENT_SEEK_OFFSET (event), &value); * a granulepos, only convert an existing one to something else,
* which basically means that seeking doesn't work this way */
format = GST_FORMAT_DEFAULT;
res = theora_dec_sink_convert (pad, GST_EVENT_SEEK_FORMAT (event),
GST_EVENT_SEEK_OFFSET (event), &format, &value);
if (res) { if (res) {
GstEvent *real_seek = gst_event_new_seek ( GstEvent *real_seek = gst_event_new_seek (
(GST_EVENT_SEEK_TYPE (event) & ~GST_SEEK_FORMAT_MASK) | (GST_EVENT_SEEK_TYPE (event) & ~GST_SEEK_FORMAT_MASK) |
GST_FORMAT_DEFAULT, GST_FORMAT_DEFAULT,
value); value);
/* sync to keyframe */
dec->need_keyframe = TRUE;
res = gst_pad_send_event (GST_PAD_PEER (dec->sinkpad), real_seek); res = gst_pad_send_event (GST_PAD_PEER (dec->sinkpad), real_seek);
if (res) {
/* sync to keyframe */
dec->need_keyframe = TRUE;
}
} }
gst_event_unref (event); gst_event_unref (event);
break; break;
@ -300,22 +419,31 @@ theora_dec_event (GstTheoraDec * dec, GstEvent * event)
GST_FORMAT_TIME, (guint64) 0, GST_FORMAT_DEFAULT, GST_FORMAT_TIME, (guint64) 0, GST_FORMAT_DEFAULT,
(guint64) 0, GST_FORMAT_BYTES, (guint64) 0, 0))); (guint64) 0, GST_FORMAT_BYTES, (guint64) 0, 0)));
} else { } else {
dec->packetno = 3; GstFormat time_format, default_format, bytes_format;
time_format = GST_FORMAT_TIME;
default_format = GST_FORMAT_DEFAULT;
bytes_format = GST_FORMAT_BYTES;
/* if one of them works, all of them work */ /* if one of them works, all of them work */
if (theora_dec_from_granulepos (dec, GST_FORMAT_TIME, dec->granulepos, if (theora_dec_sink_convert (dec->sinkpad, GST_FORMAT_DEFAULT,
&time) dec->granulepos, &time_format, &time)
&& theora_dec_from_granulepos (dec, GST_FORMAT_DEFAULT, && theora_dec_src_convert (dec->srcpad, GST_FORMAT_TIME, time,
dec->granulepos, &value) &default_format, &value)
&& theora_dec_from_granulepos (dec, GST_FORMAT_BYTES, && theora_dec_src_convert (dec->srcpad, GST_FORMAT_TIME, time,
dec->granulepos, &bytes)) { &bytes_format, &bytes)) {
gst_pad_push (dec->srcpad, gst_pad_push (dec->srcpad,
GST_DATA (gst_event_new_discontinuous (FALSE, GST_FORMAT_TIME, GST_DATA (gst_event_new_discontinuous (FALSE, GST_FORMAT_TIME,
time, GST_FORMAT_DEFAULT, value, GST_FORMAT_BYTES, bytes, time, GST_FORMAT_DEFAULT, value, GST_FORMAT_BYTES, bytes,
0))); 0)));
/* store new framenumber */
dec->packetno = value + 3;
} else { } else {
GST_ERROR_OBJECT (dec, GST_ERROR_OBJECT (dec,
"failed to parse data for DISCONT event, not sending any"); "failed to parse data for DISCONT event, not sending any");
} }
/* sync to keyframe */
dec->need_keyframe = TRUE;
} }
break; break;
default: default:
@ -331,6 +459,7 @@ theora_dec_chain (GstPad * pad, GstData * data)
GstTheoraDec *dec; GstTheoraDec *dec;
ogg_packet packet; ogg_packet packet;
guint64 offset_end; guint64 offset_end;
GstClockTime outtime;
dec = GST_THEORA_DEC (gst_pad_get_parent (pad)); dec = GST_THEORA_DEC (gst_pad_get_parent (pad));
if (GST_IS_EVENT (data)) { if (GST_IS_EVENT (data)) {
@ -340,9 +469,22 @@ theora_dec_chain (GstPad * pad, GstData * data)
buf = GST_BUFFER (data); buf = GST_BUFFER (data);
offset_end = GST_BUFFER_OFFSET_END (buf); if (dec->packetno >= 3) {
if (offset_end != -1) { offset_end = GST_BUFFER_OFFSET_END (buf);
dec->granulepos = offset_end; if (offset_end != -1) {
dec->granulepos = offset_end;
/* granulepos to time */
outtime = GST_SECOND * theora_granule_time (&dec->state, dec->granulepos);
} else {
GstFormat time_format = GST_FORMAT_TIME;
/* framenumber to time */
theora_dec_src_convert (dec->srcpad, GST_FORMAT_DEFAULT,
dec->packetno - 3, &time_format, &outtime);
}
} else {
/* we don't know yet */
outtime = -1;
} }
/* make ogg_packet out of the buffer */ /* make ogg_packet out of the buffer */
@ -412,54 +554,39 @@ theora_dec_chain (GstPad * pad, GstData * data)
gst_data_unref (data); gst_data_unref (data);
return; return;
} }
#if 0 if (theora_decode_packetin (&dec->state, &packet)) {
{ GST_ELEMENT_ERROR (GST_ELEMENT (dec), STREAM, DECODE,
GTimeVal tv; (NULL), ("theora decoder did not read data packet"));
guint64 time; gst_data_unref (data);
return;
g_get_current_time (&tv);
time = GST_TIMEVAL_TO_TIME (tv);
#endif
if (theora_decode_packetin (&dec->state, &packet)) {
GST_ELEMENT_ERROR (GST_ELEMENT (dec), STREAM, DECODE,
(NULL), ("theora decoder did not read data packet"));
gst_data_unref (data);
return;
}
if (theora_decode_YUVout (&dec->state, &yuv) < 0) {
GST_ELEMENT_ERROR (GST_ELEMENT (dec), STREAM, DECODE,
(NULL), ("couldn't read out YUV image"));
gst_data_unref (data);
return;
}
g_return_if_fail (yuv.y_width == dec->info.width);
g_return_if_fail (yuv.y_height == dec->info.height);
out = gst_pad_alloc_buffer (dec->srcpad, GST_BUFFER_OFFSET_NONE,
yuv.y_width * yuv.y_height * 12 / 8);
y = GST_BUFFER_DATA (out);
u = y + yuv.y_width * yuv.y_height;
v = u + yuv.y_width * yuv.y_height / 4;
for (i = 0; i < yuv.y_height; i++) {
memcpy (y + i * yuv.y_width, yuv.y + i * yuv.y_stride, yuv.y_width);
}
for (i = 0; i < yuv.y_height / 2; i++) {
memcpy (u + i * yuv.uv_width, yuv.u + i * yuv.uv_stride, yuv.uv_width);
memcpy (v + i * yuv.uv_width, yuv.v + i * yuv.uv_stride, yuv.uv_width);
}
GST_BUFFER_OFFSET (out) = dec->packetno - 4;
GST_BUFFER_OFFSET_END (out) = dec->packetno - 3;
GST_BUFFER_DURATION (out) =
GST_SECOND * ((gdouble) dec->info.fps_denominator) /
dec->info.fps_numerator;
GST_BUFFER_TIMESTAMP (out) =
GST_BUFFER_OFFSET (out) * GST_BUFFER_DURATION (out);
#if 0
g_get_current_time (&tv);
time = GST_TIMEVAL_TO_TIME (tv) - time;
if (time > 10000000)
g_print ("w00t, you're sl0000w!! - %llu\n", time);
} }
#endif if (theora_decode_YUVout (&dec->state, &yuv) < 0) {
GST_ELEMENT_ERROR (GST_ELEMENT (dec), STREAM, DECODE,
(NULL), ("couldn't read out YUV image"));
gst_data_unref (data);
return;
}
g_return_if_fail (yuv.y_width == dec->info.width);
g_return_if_fail (yuv.y_height == dec->info.height);
out = gst_pad_alloc_buffer (dec->srcpad, GST_BUFFER_OFFSET_NONE,
yuv.y_width * yuv.y_height * 3 / 2);
y = GST_BUFFER_DATA (out);
u = y + yuv.y_width * yuv.y_height;
v = u + yuv.y_width * yuv.y_height / 4;
for (i = 0; i < yuv.y_height; i++) {
memcpy (y + i * yuv.y_width, yuv.y + i * yuv.y_stride, yuv.y_width);
}
for (i = 0; i < yuv.y_height / 2; i++) {
memcpy (u + i * yuv.uv_width, yuv.u + i * yuv.uv_stride, yuv.uv_width);
memcpy (v + i * yuv.uv_width, yuv.v + i * yuv.uv_stride, yuv.uv_width);
}
GST_BUFFER_OFFSET (out) = dec->packetno - 4;
GST_BUFFER_OFFSET_END (out) = dec->packetno - 3;
GST_BUFFER_DURATION (out) =
GST_SECOND * ((gdouble) dec->info.fps_denominator) /
dec->info.fps_numerator;
GST_BUFFER_TIMESTAMP (out) = outtime;
gst_pad_push (dec->srcpad, GST_DATA (out)); gst_pad_push (dec->srcpad, GST_DATA (out));
} }
gst_data_unref (data); gst_data_unref (data);

159
ext/vorbis/vorbisdec.c
View file

@ -78,6 +78,9 @@ static const GstFormat *vorbis_dec_get_formats (GstPad * pad);
static gboolean vorbis_dec_src_event (GstPad * pad, GstEvent * event); static gboolean vorbis_dec_src_event (GstPad * pad, GstEvent * event);
static gboolean vorbis_dec_src_query (GstPad * pad, static gboolean vorbis_dec_src_query (GstPad * pad,
GstQueryType query, GstFormat * format, gint64 * value); GstQueryType query, GstFormat * format, gint64 * value);
static gboolean vorbis_dec_convert (GstPad * pad,
GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value);
static void static void
@ -103,21 +106,45 @@ gst_vorbis_dec_class_init (GstVorbisDecClass * klass)
static const GstFormat * static const GstFormat *
vorbis_dec_get_formats (GstPad * pad) vorbis_dec_get_formats (GstPad * pad)
{ {
static const GstFormat src_formats[] = { static GstFormat src_formats[] = {
GST_FORMAT_BYTES, GST_FORMAT_BYTES,
GST_FORMAT_DEFAULT, GST_FORMAT_DEFAULT, /* samples in the audio case */
GST_FORMAT_TIME, GST_FORMAT_TIME,
0 0
}; };
static const GstFormat sink_formats[] = { static GstFormat sink_formats[] = {
GST_FORMAT_BYTES, GST_FORMAT_BYTES,
GST_FORMAT_TIME, GST_FORMAT_TIME,
GST_FORMAT_DEFAULT, /* granulepos or samples */
0 0
}; };
return (GST_PAD_IS_SRC (pad) ? src_formats : sink_formats); return (GST_PAD_IS_SRC (pad) ? src_formats : sink_formats);
} }
static const GstEventMask *
vorbis_get_event_masks (GstPad * pad)
{
static const GstEventMask vorbis_dec_src_event_masks[] = {
{GST_EVENT_SEEK, GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH},
{0,}
};
return vorbis_dec_src_event_masks;
}
static const GstQueryType *
vorbis_get_query_types (GstPad * pad)
{
static const GstQueryType vorbis_dec_src_query_types[] = {
GST_QUERY_TOTAL,
GST_QUERY_POSITION,
0
};
return vorbis_dec_src_query_types;
}
static void static void
gst_vorbis_dec_init (GstVorbisDec * dec) gst_vorbis_dec_init (GstVorbisDec * dec)
{ {
@ -132,73 +159,94 @@ gst_vorbis_dec_init (GstVorbisDec * dec)
gst_pad_new_from_template (gst_static_pad_template_get gst_pad_new_from_template (gst_static_pad_template_get
(&vorbis_dec_src_factory), "src"); (&vorbis_dec_src_factory), "src");
gst_pad_use_explicit_caps (dec->srcpad); gst_pad_use_explicit_caps (dec->srcpad);
gst_pad_set_event_mask_function (dec->srcpad, vorbis_get_event_masks);
gst_pad_set_event_function (dec->srcpad, vorbis_dec_src_event); gst_pad_set_event_function (dec->srcpad, vorbis_dec_src_event);
gst_pad_set_query_type_function (dec->srcpad, vorbis_get_query_types);
gst_pad_set_query_function (dec->srcpad, vorbis_dec_src_query); gst_pad_set_query_function (dec->srcpad, vorbis_dec_src_query);
gst_pad_set_formats_function (dec->srcpad, vorbis_dec_get_formats); gst_pad_set_formats_function (dec->srcpad, vorbis_dec_get_formats);
gst_pad_set_convert_function (dec->srcpad, vorbis_dec_convert);
gst_element_add_pad (GST_ELEMENT (dec), dec->srcpad); gst_element_add_pad (GST_ELEMENT (dec), dec->srcpad);
GST_FLAG_SET (dec, GST_ELEMENT_EVENT_AWARE); GST_FLAG_SET (dec, GST_ELEMENT_EVENT_AWARE);
} }
/* FIXME: plug this to the pad convert function */
static gboolean static gboolean
vorbis_dec_to_granulepos (GstVorbisDec * dec, GstFormat format, guint64 from, vorbis_dec_convert (GstPad * pad,
guint64 * to) GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value)
{ {
gboolean res = TRUE;
GstVorbisDec *dec;
guint64 scale = 1;
dec = GST_VORBIS_DEC (gst_pad_get_parent (pad));
if (dec->packetno < 1) if (dec->packetno < 1)
return FALSE; return FALSE;
switch (format) { switch (src_format) {
case GST_FORMAT_TIME: case GST_FORMAT_TIME:
*to = from * dec->vi.rate / GST_SECOND; switch (*dest_format) {
return TRUE; case GST_FORMAT_BYTES:
scale = sizeof (float) * dec->vi.channels;
case GST_FORMAT_DEFAULT:
*dest_value = scale * (src_value * dec->vi.rate / GST_SECOND);
break;
default:
res = FALSE;
}
break;
case GST_FORMAT_DEFAULT: case GST_FORMAT_DEFAULT:
*to = from; switch (*dest_format) {
return TRUE; case GST_FORMAT_BYTES:
*dest_value = src_value * sizeof (float) * dec->vi.channels;
break;
case GST_FORMAT_TIME:
*dest_value = src_value * GST_SECOND / dec->vi.rate;
break;
default:
res = FALSE;
}
break;
case GST_FORMAT_BYTES: case GST_FORMAT_BYTES:
*to = from / sizeof (float) / dec->vi.channels; switch (*dest_format) {
return TRUE; case GST_FORMAT_DEFAULT:
*dest_value = src_value / (sizeof (float) * dec->vi.channels);
break;
case GST_FORMAT_TIME:
*dest_value = src_value * GST_SECOND /
(dec->vi.rate * sizeof (float) * dec->vi.channels);
break;
default:
res = FALSE;
}
break;
default: default:
return FALSE; res = FALSE;
} }
return res;
} }
static gboolean
vorbis_dec_from_granulepos (GstVorbisDec * dec, GstFormat format, guint64 from,
guint64 * to)
{
if (dec->packetno < 1)
return FALSE;
switch (format) {
case GST_FORMAT_TIME:
*to = from * GST_SECOND / dec->vi.rate;
return TRUE;
case GST_FORMAT_DEFAULT:
*to = from;
return TRUE;
case GST_FORMAT_BYTES:
*to = from * sizeof (float) * dec->vi.channels;
return TRUE;
default:
return FALSE;
}
}
static gboolean static gboolean
vorbis_dec_src_query (GstPad * pad, GstQueryType query, GstFormat * format, vorbis_dec_src_query (GstPad * pad, GstQueryType query, GstFormat * format,
gint64 * value) gint64 * value)
{ {
gint64 granulepos; gint64 granulepos = 0;
GstVorbisDec *dec = GST_VORBIS_DEC (gst_pad_get_parent (pad)); GstVorbisDec *dec = GST_VORBIS_DEC (gst_pad_get_parent (pad));
GstFormat my_format = GST_FORMAT_DEFAULT; GstFormat my_format = GST_FORMAT_DEFAULT;
if (!gst_pad_query (GST_PAD_PEER (dec->sinkpad), query, &my_format, if (query == GST_QUERY_POSITION) {
&granulepos)) granulepos = dec->granulepos;
return FALSE; } else {
/* query peer in default format */
if (!gst_pad_query (GST_PAD_PEER (dec->sinkpad), query, &my_format,
&granulepos))
return FALSE;
}
if (!vorbis_dec_from_granulepos (dec, *format, granulepos, (guint64 *) value)) /* and convert to the final format */
if (!vorbis_dec_convert (pad, GST_FORMAT_DEFAULT, granulepos, format, value))
return FALSE; return FALSE;
GST_LOG_OBJECT (dec, GST_LOG_OBJECT (dec,
@ -216,9 +264,11 @@ vorbis_dec_src_event (GstPad * pad, GstEvent * event)
switch (GST_EVENT_TYPE (event)) { switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:{ case GST_EVENT_SEEK:{
guint64 value; guint64 value;
GstFormat my_format = GST_FORMAT_DEFAULT;
res = vorbis_dec_to_granulepos (dec, GST_EVENT_SEEK_FORMAT (event), /* convert to granulepos */
GST_EVENT_SEEK_OFFSET (event), &value); res = vorbis_dec_convert (pad, GST_EVENT_SEEK_FORMAT (event),
GST_EVENT_SEEK_OFFSET (event), &my_format, &value);
if (res) { if (res) {
GstEvent *real_seek = gst_event_new_seek ( GstEvent *real_seek = gst_event_new_seek (
(GST_EVENT_SEEK_TYPE (event) & ~GST_SEEK_FORMAT_MASK) | (GST_EVENT_SEEK_TYPE (event) & ~GST_SEEK_FORMAT_MASK) |
@ -237,6 +287,7 @@ vorbis_dec_src_event (GstPad * pad, GstEvent * event)
return res; return res;
} }
static void static void
vorbis_dec_event (GstVorbisDec * dec, GstEvent * event) vorbis_dec_event (GstVorbisDec * dec, GstEvent * event)
{ {
@ -264,18 +315,22 @@ vorbis_dec_event (GstVorbisDec * dec, GstEvent * event)
GST_FORMAT_TIME, (guint64) 0, GST_FORMAT_DEFAULT, GST_FORMAT_TIME, (guint64) 0, GST_FORMAT_DEFAULT,
(guint64) 0, GST_FORMAT_BYTES, (guint64) 0, 0))); (guint64) 0, GST_FORMAT_BYTES, (guint64) 0, 0)));
} else { } else {
GstFormat time_format, default_format, bytes_format;
time_format = GST_FORMAT_TIME;
default_format = GST_FORMAT_DEFAULT;
bytes_format = GST_FORMAT_BYTES;
dec->packetno = 3; dec->packetno = 3;
/* if one of them works, all of them work */ /* if one of them works, all of them work */
if (vorbis_dec_from_granulepos (dec, GST_FORMAT_TIME, dec->granulepos, if (vorbis_dec_convert (dec->srcpad, GST_FORMAT_DEFAULT,
&time) dec->granulepos, &time_format, &time)
&& vorbis_dec_from_granulepos (dec, GST_FORMAT_DEFAULT, && vorbis_dec_convert (dec->srcpad, GST_FORMAT_DEFAULT,
dec->granulepos, &value) dec->granulepos, &bytes_format, &bytes)) {
&& vorbis_dec_from_granulepos (dec, GST_FORMAT_BYTES,
dec->granulepos, &bytes)) {
gst_pad_push (dec->srcpad, gst_pad_push (dec->srcpad,
GST_DATA (gst_event_new_discontinuous (FALSE, GST_FORMAT_TIME, GST_DATA (gst_event_new_discontinuous (FALSE, GST_FORMAT_TIME,
time, GST_FORMAT_DEFAULT, value, GST_FORMAT_BYTES, bytes, time, GST_FORMAT_DEFAULT, dec->granulepos,
0))); GST_FORMAT_BYTES, bytes, 0)));
} else { } else {
GST_ERROR_OBJECT (dec, GST_ERROR_OBJECT (dec,
"failed to parse data for DISCONT event, not sending any"); "failed to parse data for DISCONT event, not sending any");