static gboolean
speex_dec_sink_query (GstPad * pad, GstQuery * query)
{
GstSpeexDec *dec;
gboolean res;
dec = GST_SPEEX_DEC (gst_pad_get_parent (pad));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
res = speex_dec_convert (pad, src_fmt, src_val, &dest_fmt, &dest_val);
if (res) {
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
}
break;
}
default:
res = gst_pad_query_default (pad, query);
break;
}
gst_object_unref (dec);
return res;
}
static gboolean
gst_video_test_src_query (GstBaseSrc * bsrc, GstQuery * query)
{
gboolean res;
GstVideoTestSrc *src;
src = GST_VIDEO_TEST_SRC (bsrc);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
res =
gst_video_info_convert (&src->info, src_fmt, src_val, dest_fmt,
&dest_val);
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = GST_BASE_SRC_CLASS (parent_class)->query (bsrc, query);
break;
}
return res;
}
static gboolean
gst_schro_dec_sink_query (GstPad *pad, GstQuery *query)
{
GstSchroDec *dec;
gboolean res = FALSE;
dec = GST_SCHRO_DEC (gst_pad_get_parent(pad));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
res = gst_schro_dec_sink_convert (pad, src_fmt, src_val, &dest_fmt,
&dest_val);
if (!res) goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = gst_pad_query_default (pad, query);
break;
}
done:
gst_object_unref (dec);
return res;
error:
GST_DEBUG_OBJECT (dec, "query failed");
goto done;
}
static gboolean
xing_mp3_encoder_sink_query(GstPad * pad, GstQuery * query)
{
gboolean res = TRUE;
XingMp3Encoder *encoder;
encoder = XING_MP3_ENCODER(gst_pad_get_parent(pad));
switch(GST_QUERY_TYPE(query)) {
case GST_QUERY_CONVERT: {
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert(query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if(!(res = xing_mp3_encoder_convert_sink(pad, src_fmt, src_val, &dest_fmt, &dest_val))) {
return res;
}
gst_query_set_convert(query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = gst_pad_query_default (pad, query);
break;
}
return res;
}
static gboolean
gst_base_video_codec_sink_query (GstPad * pad, GstQuery * query)
{
GstBaseVideoCodec *base_video_codec;
gboolean res = FALSE;
base_video_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
res = gst_base_video_encoded_video_convert (&base_video_codec->state,
src_fmt, src_val, &dest_fmt, &dest_val);
if (!res)
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = gst_pad_query_default (pad, query);
break;
}
done:
gst_object_unref (base_video_codec);
return res;
error:
GST_DEBUG_OBJECT (base_video_codec, "query failed");
goto done;
}
static gboolean
gst_base_video_decoder_src_query (GstPad * pad, GstQuery * query)
{
GstBaseVideoDecoder *enc;
gboolean res;
enc = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
switch GST_QUERY_TYPE
(query) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
res =
gst_base_video_decoder_src_convert (pad, src_fmt, src_val, &dest_fmt,
&dest_val);
if (!res)
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = gst_pad_query_default (pad, query);
}
gst_object_unref (enc);
return res;
error:
GST_DEBUG_OBJECT (enc, "query failed");
gst_object_unref (enc);
return res;
}
static gboolean
gst_kate_enc_source_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
gboolean res = FALSE;
GST_DEBUG ("source query %d", GST_QUERY_TYPE (query));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (!gst_kate_enc_convert (pad, src_fmt, src_val, &dest_fmt, &dest_val)) {
return gst_pad_query_default (pad, parent, query);
}
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
res = TRUE;
}
break;
default:
res = gst_pad_query_default (pad, parent, query);
break;
}
return res;
}
static gboolean
gstbt_audio_synth_query (GstBaseSrc * basesrc, GstQuery * query)
{
GstBtAudioSynth *src = GSTBT_AUDIO_SYNTH (basesrc);
gboolean res = FALSE;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if ((res = gst_audio_info_convert (&src->info, src_fmt, src_val, dest_fmt,
&dest_val))) {
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
}
break;
}
default:
res =
GST_BASE_SRC_CLASS (gstbt_audio_synth_parent_class)->query (basesrc,
query);
break;
}
return res;
}
static gboolean
gst_speex_enc_sink_query (GstPad * pad, GstQuery * query)
{
gboolean res = TRUE;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (!(res =
gst_speex_enc_convert_sink (pad, src_fmt, src_val, &dest_fmt,
&dest_val)))
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = gst_pad_query_default (pad, query);
break;
}
error:
return res;
}
static gboolean
gst_base_video_encoder_src_query (GstPad * pad, GstQuery * query)
{
GstBaseVideoEncoder *enc;
gboolean res;
GstPad *peerpad;
enc = GST_BASE_VIDEO_ENCODER (gst_pad_get_parent (pad));
peerpad = gst_pad_get_peer (GST_BASE_VIDEO_CODEC_SINK_PAD (enc));
switch GST_QUERY_TYPE
(query) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
res =
gst_base_video_encoded_video_convert (&GST_BASE_VIDEO_CODEC
(enc)->state, src_fmt, src_val, &dest_fmt, &dest_val);
if (!res)
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
case GST_QUERY_LATENCY:
{
gboolean live;
GstClockTime min_latency, max_latency;
res = gst_pad_query (peerpad, query);
if (res) {
gst_query_parse_latency (query, &live, &min_latency, &max_latency);
min_latency += enc->min_latency;
if (max_latency != GST_CLOCK_TIME_NONE) {
max_latency += enc->max_latency;
}
gst_query_set_latency (query, live, min_latency, max_latency);
}
}
break;
default:
res = gst_pad_query_default (pad, query);
}
gst_object_unref (peerpad);
gst_object_unref (enc);
return res;
error:
GST_DEBUG_OBJECT (enc, "query failed");
gst_object_unref (peerpad);
gst_object_unref (enc);
return res;
}
static gboolean
gst_wildmidi_src_query (GstPad * pad, GstQuery * query)
{
gboolean res = TRUE;
GstWildmidi *wildmidi = GST_WILDMIDI (gst_pad_get_parent (pad));
GstFormat src_format, dst_format;
gint64 src_value, dst_value;
if (!wildmidi->song) {
gst_object_unref (wildmidi);
return FALSE;
}
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_DURATION:
gst_query_set_duration (query, GST_FORMAT_TIME,
gst_util_uint64_scale_int (wildmidi->o_len, GST_SECOND,
WILDMIDI_RATE));
break;
case GST_QUERY_POSITION:
gst_query_set_position (query, GST_FORMAT_TIME,
gst_util_uint64_scale_int (wildmidi->o_segment->last_stop, GST_SECOND,
WILDMIDI_RATE));
break;
case GST_QUERY_CONVERT:
gst_query_parse_convert (query, &src_format, &src_value,
&dst_format, NULL);
res =
gst_wildmidi_src_convert (wildmidi, src_format, src_value,
&dst_format, &dst_value);
if (res)
gst_query_set_convert (query, src_format, src_value, dst_format,
dst_value);
break;
case GST_QUERY_FORMATS:
gst_query_set_formats (query, 3,
GST_FORMAT_TIME, GST_FORMAT_BYTES, GST_FORMAT_DEFAULT);
break;
case GST_QUERY_SEGMENT:
gst_query_set_segment (query, wildmidi->o_segment->rate,
wildmidi->o_segment->format, wildmidi->o_segment->start,
wildmidi->o_segment->stop);
break;
case GST_QUERY_SEEKING:
gst_query_set_seeking (query, wildmidi->o_segment->format,
TRUE, 0, wildmidi->o_len);
break;
default:
res = FALSE;
break;
}
gst_object_unref (wildmidi);
return res;
}
static gboolean
gst_schro_dec_src_query (GstPad *pad, GstQuery *query)
{
GstSchroDec *dec;
gboolean res = FALSE;
dec = GST_SCHRO_DEC (gst_pad_get_parent(pad));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
{
GstFormat format;
gint64 time;
gint64 value;
gst_query_parse_position (query, &format, NULL);
time = gst_util_uint64_scale (granulepos_to_frame (dec->granulepos),
dec->fps_n, dec->fps_d);
//time -= dec->segment.start;
time += dec->segment.time;
GST_DEBUG("query position %lld", time);
res = gst_schro_dec_src_convert (pad, GST_FORMAT_TIME, time,
&format, &value);
if (!res) goto error;
gst_query_set_position (query, format, value);
break;
}
case GST_QUERY_DURATION:
res = gst_pad_query (GST_PAD_PEER (dec->sinkpad), query);
if (!res) goto error;
break;
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
res = gst_schro_dec_src_convert (pad, src_fmt, src_val, &dest_fmt,
&dest_val);
if (!res) goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = gst_pad_query_default (pad, query);
break;
}
done:
gst_object_unref (dec);
return res;
error:
GST_DEBUG_OBJECT (dec, "query failed");
goto done;
}
static gboolean
gst_timidity_src_query (GstPad * pad, GstQuery * query)
{
gboolean res = TRUE;
GstTimidity *timidity = GST_TIMIDITY (gst_pad_get_parent (pad));
GstFormat src_format, dst_format;
gint64 src_value, dst_value;
if (!timidity->song) {
gst_object_unref (timidity);
return FALSE;
}
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_DURATION:
gst_query_set_duration (query, GST_FORMAT_TIME,
GST_MSECOND * (gint64) mid_song_get_total_time (timidity->song));
break;
case GST_QUERY_POSITION:
gst_query_set_position (query, GST_FORMAT_TIME,
timidity->o_segment->last_stop * timidity->time_per_frame);
break;
case GST_QUERY_CONVERT:
gst_query_parse_convert (query, &src_format, &src_value,
&dst_format, NULL);
res =
gst_timidity_src_convert (timidity, src_format, src_value,
&dst_format, &dst_value);
if (res)
gst_query_set_convert (query, src_format, src_value, dst_format,
dst_value);
break;
case GST_QUERY_FORMATS:
gst_query_set_formats (query, 3,
GST_FORMAT_TIME, GST_FORMAT_BYTES, GST_FORMAT_DEFAULT);
break;
case GST_QUERY_SEGMENT:
gst_query_set_segment (query, timidity->o_segment->rate,
timidity->o_segment->format, timidity->o_segment->start,
timidity->o_segment->stop);
break;
case GST_QUERY_SEEKING:
gst_query_set_seeking (query, timidity->o_segment->format,
TRUE, 0, timidity->o_len);
break;
default:
res = FALSE;
break;
}
gst_object_unref (timidity);
return res;
}
static gboolean
gst_ladspa_source_type_query (GstBaseSrc * base, GstQuery * query)
{
GstLADSPASource *ladspa = GST_LADSPA_SOURCE (base);
gboolean res = FALSE;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (!gst_audio_info_convert (&ladspa->info, src_fmt, src_val, dest_fmt,
&dest_val)) {
GST_DEBUG_OBJECT (ladspa, "query failed");
return FALSE;
}
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
res = TRUE;
break;
}
case GST_QUERY_SCHEDULING:
{
/* if we can operate in pull mode */
gst_query_set_scheduling (query, GST_SCHEDULING_FLAG_SEEKABLE, 1, -1, 0);
gst_query_add_scheduling_mode (query, GST_PAD_MODE_PUSH);
if (ladspa->can_activate_pull)
gst_query_add_scheduling_mode (query, GST_PAD_MODE_PULL);
res = TRUE;
break;
}
default:
res =
GST_BASE_SRC_CLASS (gst_ladspa_source_type_parent_class)->query
(base, query);
break;
}
return res;
}
gboolean
gst_kate_decoder_base_sink_query (GstKateDecoderBase * decoder,
GstElement * element, GstPad * pad, GstQuery * query)
{
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (!gst_kate_decoder_base_convert (decoder, element, pad, src_fmt,
src_val, &dest_fmt, &dest_val)) {
return gst_pad_query_default (pad, query);
}
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
return TRUE;
}
default:
return gst_pad_query_default (pad, query);
}
}
static gboolean
vorbis_dec_sink_query (GstPad * pad, GstQuery * query)
{
GstVorbisDec *dec;
gboolean res;
dec = GST_VORBIS_DEC (gst_pad_get_parent (pad));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (!(res =
vorbis_dec_convert (pad, src_fmt, src_val, &dest_fmt, &dest_val)))
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = gst_pad_query_default (pad, query);
break;
}
done:
gst_object_unref (dec);
return res;
/* ERRORS */
error:
{
GST_DEBUG_OBJECT (dec, "error converting value");
goto done;
}
}
static gboolean
gst_cmml_dec_sink_query (GstPad * pad, GstQuery * query)
{
gboolean res = FALSE;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
res = gst_cmml_dec_convert (pad, src_fmt, src_val, &dest_fmt, &dest_val);
if (res)
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
break;
}
return res;
}
static gboolean
vorbis_dec_src_query (GstPad * pad, GstQuery * query)
{
GstVorbisDec *dec;
gboolean res = FALSE;
dec = GST_VORBIS_DEC (gst_pad_get_parent (pad));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
{
gint64 value;
GstFormat format;
gint64 time;
gst_query_parse_position (query, &format, NULL);
/* we start from the last seen time */
time = dec->last_timestamp;
/* correct for the segment values */
time = gst_segment_to_stream_time (&dec->segment, GST_FORMAT_TIME, time);
GST_LOG_OBJECT (dec,
"query %p: our time: %" GST_TIME_FORMAT, query, GST_TIME_ARGS (time));
/* and convert to the final format */
if (!(res =
vorbis_dec_convert (pad, GST_FORMAT_TIME, time, &format, &value)))
goto error;
gst_query_set_position (query, format, value);
GST_LOG_OBJECT (dec,
"query %p: we return %" G_GINT64_FORMAT " (format %u)", query, value,
format);
break;
}
case GST_QUERY_DURATION:
{
res = gst_pad_peer_query (dec->sinkpad, query);
if (!res)
goto error;
break;
}
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (!(res =
vorbis_dec_convert (pad, src_fmt, src_val, &dest_fmt, &dest_val)))
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = gst_pad_query_default (pad, query);
break;
}
done:
gst_object_unref (dec);
return res;
/* ERRORS */
error:
{
GST_WARNING_OBJECT (dec, "error handling query");
goto done;
}
}
static gboolean
gst_base_video_codec_src_query (GstPad * pad, GstQuery * query)
{
GstBaseVideoCodec *base_codec;
gboolean res = FALSE;
base_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
{
GstFormat format;
gint64 time;
gint64 value;
gst_query_parse_position (query, &format, NULL);
time = gst_util_uint64_scale (base_codec->system_frame_number,
base_codec->state.fps_n, base_codec->state.fps_d);
time += base_codec->state.segment.time;
GST_DEBUG ("query position %" GST_TIME_FORMAT, GST_TIME_ARGS (time));
res = gst_base_video_encoded_video_convert (&base_codec->state,
GST_FORMAT_TIME, time, &format, &value);
if (!res)
goto error;
gst_query_set_position (query, format, value);
break;
}
case GST_QUERY_DURATION:
res = gst_pad_query (GST_PAD_PEER (base_codec->sinkpad), query);
if (!res)
goto error;
break;
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
GST_DEBUG ("query convert");
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
res = gst_base_video_encoded_video_convert (&base_codec->state,
src_fmt, src_val, &dest_fmt, &dest_val);
if (!res)
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = gst_pad_query_default (pad, query);
break;
}
done:
gst_object_unref (base_codec);
return res;
error:
GST_DEBUG_OBJECT (base_codec, "query failed");
goto done;
}
static gboolean
gst_base_video_decoder_src_query (GstPad * pad, GstQuery * query)
{
GstBaseVideoDecoder *dec;
gboolean res = TRUE;
dec = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
switch GST_QUERY_TYPE
(query) {
case GST_QUERY_POSITION:
{
GstFormat format;
gint64 time;
gst_query_parse_position (query, &format, NULL);
GST_DEBUG ("query in format %d", format);
if (format != GST_FORMAT_TIME) {
goto error;
}
time = dec->last_timestamp;
time = gst_segment_to_stream_time (&dec->segment, GST_FORMAT_TIME, time);
gst_query_set_position (query, format, time);
res = TRUE;
break;
}
case GST_QUERY_DURATION:
{
res = gst_pad_peer_query (dec->sinkpad, query);
break;
}
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
GST_DEBUG ("convert query");
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
res =
gst_base_video_decoder_src_convert (pad, src_fmt, src_val, &dest_fmt,
&dest_val);
if (!res)
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = gst_pad_query_default (pad, query);
}
gst_object_unref (dec);
return res;
error:
GST_ERROR_OBJECT (dec, "query failed");
gst_object_unref (dec);
return res;
}
static gboolean
theora_parse_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
GstTheoraParse *parse;
gboolean res = FALSE;
parse = GST_THEORA_PARSE (parent);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
{
gint64 frame, value;
GstFormat my_format, format;
gint64 time;
frame = parse->prev_frame;
GST_LOG_OBJECT (parse,
"query %p: we have current frame: %" G_GINT64_FORMAT, query, frame);
/* parse format */
gst_query_parse_position (query, &format, NULL);
/* and convert to the final format in two steps with time as the
* intermediate step */
my_format = GST_FORMAT_TIME;
if (!(res =
theora_parse_src_convert (parse->sinkpad, GST_FORMAT_DEFAULT,
frame, &my_format, &time)))
goto error;
/* fixme: handle segments
time = (time - parse->segment.start) + parse->segment.time;
*/
GST_LOG_OBJECT (parse,
"query %p: our time: %" GST_TIME_FORMAT " (conv to %s)",
query, GST_TIME_ARGS (time), gst_format_get_name (format));
if (!(res =
theora_parse_src_convert (pad, my_format, time, &format, &value)))
goto error;
gst_query_set_position (query, format, value);
GST_LOG_OBJECT (parse,
"query %p: we return %" G_GINT64_FORMAT " (format %u)", query, value,
format);
break;
}
case GST_QUERY_DURATION:
/* forward to peer for total */
if (!(res = gst_pad_query (GST_PAD_PEER (parse->sinkpad), query)))
goto error;
break;
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (!(res =
theora_parse_src_convert (pad, src_fmt, src_val, &dest_fmt,
&dest_val)))
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = gst_pad_query_default (pad, parent, query);
break;
}
done:
return res;
/* ERRORS */
error:
{
GST_DEBUG_OBJECT (parse, "query failed");
goto done;
}
}
static gboolean
gst_vorbis_enc_src_query (GstPad * pad, GstQuery * query)
{
gboolean res = TRUE;
GstVorbisEnc *vorbisenc;
GstPad *peerpad;
vorbisenc = GST_VORBISENC (gst_pad_get_parent (pad));
peerpad = gst_pad_get_peer (GST_PAD (vorbisenc->sinkpad));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
{
GstFormat fmt, req_fmt;
gint64 pos, val;
gst_query_parse_position (query, &req_fmt, NULL);
if ((res = gst_pad_query_position (peerpad, &req_fmt, &val))) {
gst_query_set_position (query, req_fmt, val);
break;
}
fmt = GST_FORMAT_TIME;
if (!(res = gst_pad_query_position (peerpad, &fmt, &pos)))
break;
if ((res = gst_pad_query_convert (peerpad, fmt, pos, &req_fmt, &val))) {
gst_query_set_position (query, req_fmt, val);
}
break;
}
case GST_QUERY_DURATION:
{
GstFormat fmt, req_fmt;
gint64 dur, val;
gst_query_parse_duration (query, &req_fmt, NULL);
if ((res = gst_pad_query_duration (peerpad, &req_fmt, &val))) {
gst_query_set_duration (query, req_fmt, val);
break;
}
fmt = GST_FORMAT_TIME;
if (!(res = gst_pad_query_duration (peerpad, &fmt, &dur)))
break;
if ((res = gst_pad_query_convert (peerpad, fmt, dur, &req_fmt, &val))) {
gst_query_set_duration (query, req_fmt, val);
}
break;
}
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (!(res =
gst_vorbis_enc_convert_src (pad, src_fmt, src_val, &dest_fmt,
&dest_val)))
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = gst_pad_query_default (pad, query);
break;
}
error:
gst_object_unref (peerpad);
gst_object_unref (vorbisenc);
return res;
}
static gboolean
gst_video_test_src_query (GstBaseSrc * bsrc, GstQuery * query)
{
gboolean res;
GstVideoTestSrc *src;
src = GST_VIDEO_TEST_SRC (bsrc);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (src_fmt == dest_fmt) {
dest_val = src_val;
goto done;
}
switch (src_fmt) {
case GST_FORMAT_DEFAULT:
switch (dest_fmt) {
case GST_FORMAT_TIME:
/* frames to time */
if (src->rate_numerator) {
dest_val = gst_util_uint64_scale (src_val,
src->rate_denominator * GST_SECOND, src->rate_numerator);
} else {
dest_val = 0;
}
break;
default:
goto error;
}
break;
case GST_FORMAT_TIME:
switch (dest_fmt) {
case GST_FORMAT_DEFAULT:
/* time to frames */
if (src->rate_numerator) {
dest_val = gst_util_uint64_scale (src_val,
src->rate_numerator, src->rate_denominator * GST_SECOND);
} else {
dest_val = 0;
}
break;
default:
goto error;
}
break;
default:
goto error;
}
done:
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
res = TRUE;
break;
}
default:
res = GST_BASE_SRC_CLASS (parent_class)->query (bsrc, query);
}
return res;
/* ERROR */
error:
{
GST_DEBUG_OBJECT (src, "query failed");
return FALSE;
}
}
static gboolean
vorbis_parse_src_query (GstPad * pad, GstQuery * query)
{
gint64 granulepos;
GstVorbisParse *parse;
gboolean res = FALSE;
parse = GST_VORBIS_PARSE (GST_PAD_PARENT (pad));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
{
GstFormat format;
gint64 value;
granulepos = parse->prev_granulepos;
gst_query_parse_position (query, &format, NULL);
/* and convert to the final format */
if (!(res =
vorbis_parse_convert (pad, GST_FORMAT_DEFAULT, granulepos,
&format, &value)))
goto error;
/* fixme: support segments
value = (value - parse->segment_start) + parse->segment_time;
*/
gst_query_set_position (query, format, value);
GST_LOG_OBJECT (parse, "query %p: peer returned granulepos: %"
G_GUINT64_FORMAT " - we return %" G_GUINT64_FORMAT " (format %u)",
query, granulepos, value, format);
break;
}
case GST_QUERY_DURATION:
{
/* fixme: not threadsafe */
/* query peer for total length */
if (!gst_pad_is_linked (parse->sinkpad)) {
GST_WARNING_OBJECT (parse, "sink pad %" GST_PTR_FORMAT " is not linked",
parse->sinkpad);
goto error;
}
if (!(res = gst_pad_query (GST_PAD_PEER (parse->sinkpad), query)))
goto error;
break;
}
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (!(res =
vorbis_parse_convert (pad, src_fmt, src_val, &dest_fmt,
&dest_val)))
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = gst_pad_query_default (pad, query);
break;
}
return res;
error:
{
GST_WARNING_OBJECT (parse, "error handling query");
return res;
}
}
static gboolean
xing_mp3_encoder_src_query(GstPad * pad, GstQuery * query)
{
gboolean res = TRUE;
XingMp3Encoder *encoder;
GstPad *peerpad;
encoder = XING_MP3_ENCODER(gst_pad_get_parent(pad));
peerpad = gst_pad_get_peer(GST_PAD(encoder->sinkpad));
switch(GST_QUERY_TYPE(query)) {
case GST_QUERY_DURATION: {
GstFormat fmt, req_fmt;
gint64 dur, val;
gst_query_parse_duration(query, &req_fmt, NULL);
if((res = gst_pad_query_duration(peerpad, &req_fmt, &val))) {
gst_query_set_duration(query, req_fmt, val);
break;
}
fmt = GST_FORMAT_TIME;
if(!(res = gst_pad_query_duration (peerpad, &fmt, &dur))) {
break;
}
if((res = gst_pad_query_convert(peerpad, fmt, dur, &req_fmt, &val))) {
gst_query_set_duration(query, req_fmt, val);
}
break;
}
case GST_QUERY_POSITION: {
GstFormat fmt, req_fmt;
gint64 pos, val;
gst_query_parse_position(query, &req_fmt, NULL);
if((res = gst_pad_query_position(peerpad, &req_fmt, &val))) {
gst_query_set_position (query, req_fmt, val);
break;
}
fmt = GST_FORMAT_TIME;
if(!(res = gst_pad_query_position(peerpad, &fmt, &pos))) {
break;
}
if((res = gst_pad_query_convert(peerpad, fmt, pos, &req_fmt, &val))) {
gst_query_set_position(query, req_fmt, val);
}
break;
}
case GST_QUERY_CONVERT: {
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert(query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if(!(res = xing_mp3_encoder_convert_src(pad, src_fmt, src_val, &dest_fmt, &dest_val))) {
gst_object_unref(peerpad);
gst_object_unref(encoder);
}
gst_query_set_convert(query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = gst_pad_query_default(pad, query);
break;
}
return res;
}
static gboolean
gst_audio_test_src_query (GstBaseSrc * basesrc, GstQuery * query)
{
GstAudioTestSrc *src = GST_AUDIO_TEST_SRC (basesrc);
gboolean res = FALSE;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (src_fmt == dest_fmt) {
dest_val = src_val;
goto done;
}
switch (src_fmt) {
case GST_FORMAT_DEFAULT:
switch (dest_fmt) {
case GST_FORMAT_TIME:
/* samples to time */
dest_val =
gst_util_uint64_scale_int (src_val, GST_SECOND,
src->samplerate);
break;
default:
goto error;
}
break;
case GST_FORMAT_TIME:
switch (dest_fmt) {
case GST_FORMAT_DEFAULT:
/* time to samples */
dest_val =
gst_util_uint64_scale_int_round (src_val, src->samplerate,
GST_SECOND);
break;
default:
goto error;
}
break;
default:
goto error;
}
done:
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
res = TRUE;
break;
}
default:
res = GST_BASE_SRC_CLASS (parent_class)->query (basesrc, query);
break;
}
return res;
/* ERROR */
error:
{
GST_DEBUG_OBJECT (src, "query failed");
return FALSE;
}
}
static gboolean
gst_wildmidi_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
gboolean res = TRUE;
GstWildmidi *wildmidi = GST_WILDMIDI (parent);
GstFormat src_format, dst_format;
gint64 src_value, dst_value;
if (!wildmidi->song)
return FALSE;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_DURATION:
gst_query_set_duration (query, GST_FORMAT_TIME,
gst_util_uint64_scale_int (wildmidi->o_len, GST_SECOND,
WILDMIDI_RATE));
break;
case GST_QUERY_POSITION:
gst_query_set_position (query, GST_FORMAT_TIME,
gst_util_uint64_scale_int (wildmidi->o_segment->position, GST_SECOND,
WILDMIDI_RATE));
break;
case GST_QUERY_CONVERT:
gst_query_parse_convert (query, &src_format, &src_value,
&dst_format, NULL);
res =
gst_wildmidi_src_convert (wildmidi, src_format, src_value,
&dst_format, &dst_value);
if (res)
gst_query_set_convert (query, src_format, src_value, dst_format,
dst_value);
break;
case GST_QUERY_FORMATS:
gst_query_set_formats (query, 3,
GST_FORMAT_TIME, GST_FORMAT_BYTES, GST_FORMAT_DEFAULT);
break;
case GST_QUERY_SEGMENT:{
GstFormat format;
gint64 start, stop;
format = wildmidi->o_segment->format;
start =
gst_segment_to_stream_time (wildmidi->o_segment, format,
wildmidi->o_segment->start);
if ((stop = wildmidi->o_segment->stop) == -1)
stop = wildmidi->o_segment->duration;
else
stop = gst_segment_to_stream_time (wildmidi->o_segment, format, stop);
gst_query_set_segment (query, wildmidi->o_segment->rate, format, start,
stop);
res = TRUE;
break;
}
case GST_QUERY_SEEKING:
gst_query_set_seeking (query, wildmidi->o_segment->format,
TRUE, 0, wildmidi->o_len);
break;
default:
res = gst_pad_query_default (pad, parent, query);
break;
}
return res;
}
static gboolean
gst_speex_enc_src_query (GstPad * pad, GstQuery * query)
{
gboolean res = TRUE;
GstSpeexEnc *enc;
enc = GST_SPEEX_ENC (gst_pad_get_parent (pad));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
{
GstFormat fmt, req_fmt;
gint64 pos, val;
gst_query_parse_position (query, &req_fmt, NULL);
if ((res = gst_pad_query_peer_position (enc->sinkpad, &req_fmt, &val))) {
gst_query_set_position (query, req_fmt, val);
break;
}
fmt = GST_FORMAT_TIME;
if (!(res = gst_pad_query_peer_position (enc->sinkpad, &fmt, &pos)))
break;
if ((res =
gst_pad_query_peer_convert (enc->sinkpad, fmt, pos, &req_fmt,
&val)))
gst_query_set_position (query, req_fmt, val);
break;
}
case GST_QUERY_DURATION:
{
GstFormat fmt, req_fmt;
gint64 dur, val;
gst_query_parse_duration (query, &req_fmt, NULL);
if ((res = gst_pad_query_peer_duration (enc->sinkpad, &req_fmt, &val))) {
gst_query_set_duration (query, req_fmt, val);
break;
}
fmt = GST_FORMAT_TIME;
if (!(res = gst_pad_query_peer_duration (enc->sinkpad, &fmt, &dur)))
break;
if ((res =
gst_pad_query_peer_convert (enc->sinkpad, fmt, dur, &req_fmt,
&val))) {
gst_query_set_duration (query, req_fmt, val);
}
break;
}
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (!(res = gst_speex_enc_convert_src (pad, src_fmt, src_val, &dest_fmt,
&dest_val)))
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
case GST_QUERY_LATENCY:
{
gboolean live;
GstClockTime min_latency, max_latency;
gint64 latency;
if ((res = gst_pad_peer_query (enc->sinkpad, query))) {
gst_query_parse_latency (query, &live, &min_latency, &max_latency);
GST_LOG_OBJECT (pad, "Upstream latency: %" GST_PTR_FORMAT, query);
latency = gst_speex_enc_get_latency (enc);
/* add our latency */
min_latency += latency;
if (max_latency != -1)
max_latency += latency;
gst_query_set_latency (query, live, min_latency, max_latency);
GST_LOG_OBJECT (pad, "Adjusted latency: %" GST_PTR_FORMAT, query);
}
break;
}
default:
res = gst_pad_peer_query (enc->sinkpad, query);
break;
}
error:
gst_object_unref (enc);
return res;
}
/* handle queries for location and length in requested format */
static gboolean
gst_aiff_parse_pad_query (GstPad * pad, GstQuery * query)
{
gboolean res = TRUE;
GstAiffParse *aiff = GST_AIFF_PARSE (gst_pad_get_parent (pad));
/* only if we know */
if (aiff->state != AIFF_PARSE_DATA) {
gst_object_unref (aiff);
return FALSE;
}
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_DURATION:
{
gint64 duration = 0;
GstFormat format;
gst_query_parse_duration (query, &format, NULL);
switch (format) {
case GST_FORMAT_TIME:{
if ((res = gst_aiff_parse_calculate_duration (aiff))) {
duration = aiff->duration;
}
break;
}
default:
format = GST_FORMAT_BYTES;
duration = aiff->datasize;
break;
}
gst_query_set_duration (query, format, duration);
break;
}
case GST_QUERY_CONVERT:
{
gint64 srcvalue, dstvalue;
GstFormat srcformat, dstformat;
gst_query_parse_convert (query, &srcformat, &srcvalue,
&dstformat, &dstvalue);
res = gst_aiff_parse_pad_convert (pad, srcformat, srcvalue,
&dstformat, &dstvalue);
if (res)
gst_query_set_convert (query, srcformat, srcvalue, dstformat, dstvalue);
break;
}
case GST_QUERY_SEEKING:{
GstFormat fmt;
gst_query_parse_seeking (query, &fmt, NULL, NULL, NULL);
if (fmt == GST_FORMAT_TIME) {
gboolean seekable = TRUE;
if (!gst_aiff_parse_calculate_duration (aiff)) {
seekable = FALSE;
}
gst_query_set_seeking (query, GST_FORMAT_TIME, seekable,
0, aiff->duration);
res = TRUE;
}
break;
}
default:
res = gst_pad_query_default (pad, query);
break;
}
gst_object_unref (aiff);
return res;
}
static gboolean
gst_raw_parse_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
GstRawParse *rp = GST_RAW_PARSE (parent);
gboolean ret = FALSE;
GST_DEBUG ("src_query %s", gst_query_type_get_name (GST_QUERY_TYPE (query)));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
{
GstFormat format;
gint64 time, value;
GST_LOG ("query position");
gst_query_parse_position (query, &format, NULL);
time = rp->segment.position;
ret = gst_raw_parse_convert (rp, GST_FORMAT_TIME, time, format, &value);
gst_query_set_position (query, format, value);
break;
}
case GST_QUERY_DURATION:{
gint64 duration;
GstFormat format;
GstQuery *bquery;
GST_LOG ("query duration");
ret = gst_pad_peer_query (rp->sinkpad, query);
if (ret)
goto done;
gst_query_parse_duration (query, &format, NULL);
/* We only handle TIME and DEFAULT format */
if (format != GST_FORMAT_TIME && format != GST_FORMAT_DEFAULT)
goto error;
bquery = gst_query_new_duration (GST_FORMAT_BYTES);
ret = gst_pad_peer_query (rp->sinkpad, bquery);
if (!ret) {
gst_query_unref (bquery);
goto error;
}
gst_query_parse_duration (bquery, NULL, &duration);
gst_query_unref (bquery);
ret =
gst_raw_parse_convert (rp, GST_FORMAT_BYTES, duration, format,
&duration);
if (ret)
gst_query_set_duration (query, format, duration);
break;
}
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
GST_LOG ("query convert");
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
ret = gst_raw_parse_convert (rp, src_fmt, src_val, dest_fmt, &dest_val);
if (!ret)
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
case GST_QUERY_SEEKING:{
GstFormat fmt;
ret = TRUE;
gst_query_parse_seeking (query, &fmt, NULL, NULL, NULL);
if (fmt != GST_FORMAT_TIME && fmt != GST_FORMAT_DEFAULT
&& fmt != GST_FORMAT_BYTES) {
gst_query_set_seeking (query, fmt, FALSE, -1, -1);
} else if (rp->mode == GST_PAD_MODE_PUSH) {
GstQuery *peerquery = gst_query_new_seeking (GST_FORMAT_BYTES);
gboolean seekable;
seekable = gst_pad_peer_query (rp->sinkpad, peerquery);
if (seekable)
gst_query_parse_seeking (peerquery, NULL, &seekable, NULL, NULL);
gst_query_unref (peerquery);
gst_query_set_seeking (query, fmt, seekable, seekable ? 0 : -1, -1);
} else {
gst_query_set_seeking (query, fmt, TRUE, 0, -1);
}
break;
}
default:
/* else forward upstream */
ret = gst_pad_query_default (rp->sinkpad, parent, query);
break;
}
done:
return ret;
/* ERRORS */
error:
{
GST_DEBUG_OBJECT (rp, "query failed");
goto done;
}
}
