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dvdemux: The convert and duration queries are not supposed to change the format

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This commit is contained in:
Sebastian Dröge 2012-09-27 11:02:51 +02:00
parent f5e0321dfc
commit 2dc8425f03
1 changed files with 37 additions and 42 deletions
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79
ext/dv/gstdvdemux.c
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@ -143,10 +143,10 @@ static gboolean gst_dvdemux_sink_query (GstPad * pad, GstObject * parent,
/* convert functions */
static gboolean gst_dvdemux_sink_convert (GstDVDemux * demux,
GstFormat src_format, gint64 src_value, GstFormat * dest_format,
GstFormat src_format, gint64 src_value, GstFormat dest_format,
gint64 * dest_value);
static gboolean gst_dvdemux_src_convert (GstDVDemux * demux, GstPad * pad,
GstFormat src_format, gint64 src_value, GstFormat * dest_format,
GstFormat src_format, gint64 src_value, GstFormat dest_format,
gint64 * dest_value);
/* event functions */
@ -326,12 +326,12 @@ gst_dvdemux_remove_pads (GstDVDemux * dvdemux)
static gboolean
gst_dvdemux_src_convert (GstDVDemux * dvdemux, GstPad * pad,
GstFormat src_format, gint64 src_value, GstFormat * dest_format,
GstFormat src_format, gint64 src_value, GstFormat dest_format,
gint64 * dest_value)
{
gboolean res = TRUE;
if (*dest_format == src_format || src_value == -1) {
if (dest_format == src_format || src_value == -1) {
*dest_value = src_value;
goto done;
}
@ -344,11 +344,11 @@ gst_dvdemux_src_convert (GstDVDemux * dvdemux, GstPad * pad,
GST_INFO_OBJECT (pad,
"src_value:%" G_GINT64_FORMAT ", src_format:%d, dest_format:%d",
src_value, src_format, *dest_format);
src_value, src_format, dest_format);
switch (src_format) {
case GST_FORMAT_BYTES:
switch (*dest_format) {
switch (dest_format) {
case GST_FORMAT_DEFAULT:
if (pad == dvdemux->videosrcpad)
*dest_value = src_value / dvdemux->frame_len;
@ -356,7 +356,6 @@ gst_dvdemux_src_convert (GstDVDemux * dvdemux, GstPad * pad,
*dest_value = src_value / (2 * dvdemux->channels);
break;
case GST_FORMAT_TIME:
*dest_format = GST_FORMAT_TIME;
if (pad == dvdemux->videosrcpad)
*dest_value = gst_util_uint64_scale (src_value,
GST_SECOND * dvdemux->framerate_denominator,
@ -370,7 +369,7 @@ gst_dvdemux_src_convert (GstDVDemux * dvdemux, GstPad * pad,
}
break;
case GST_FORMAT_TIME:
switch (*dest_format) {
switch (dest_format) {
case GST_FORMAT_BYTES:
if (pad == dvdemux->videosrcpad)
*dest_value = gst_util_uint64_scale (src_value,
@ -398,7 +397,7 @@ gst_dvdemux_src_convert (GstDVDemux * dvdemux, GstPad * pad,
}
break;
case GST_FORMAT_DEFAULT:
switch (*dest_format) {
switch (dest_format) {
case GST_FORMAT_TIME:
if (pad == dvdemux->videosrcpad) {
*dest_value = gst_util_uint64_scale (src_value,
@ -430,7 +429,7 @@ gst_dvdemux_src_convert (GstDVDemux * dvdemux, GstPad * pad,
done:
GST_INFO_OBJECT (pad,
"Result : dest_format:%d, dest_value:%" G_GINT64_FORMAT ", res:%d",
*dest_format, *dest_value, res);
dest_format, *dest_value, res);
return res;
/* ERRORS */
@ -443,19 +442,16 @@ error:
static gboolean
gst_dvdemux_sink_convert (GstDVDemux * dvdemux, GstFormat src_format,
gint64 src_value, GstFormat * dest_format, gint64 * dest_value)
gint64 src_value, GstFormat dest_format, gint64 * dest_value)
{
gboolean res = TRUE;
GST_DEBUG_OBJECT (dvdemux, "%d -> %d", src_format, *dest_format);
GST_DEBUG_OBJECT (dvdemux, "%d -> %d", src_format, dest_format);
GST_INFO_OBJECT (dvdemux,
"src_value:%" G_GINT64_FORMAT ", src_format:%d, dest_format:%d",
src_value, src_format, *dest_format);
src_value, src_format, dest_format);
if (*dest_format == GST_FORMAT_DEFAULT)
*dest_format = GST_FORMAT_TIME;
if (*dest_format == src_format || src_value == -1) {
if (dest_format == src_format || src_value == -1) {
*dest_value = src_value;
goto done;
}
@ -465,7 +461,7 @@ gst_dvdemux_sink_convert (GstDVDemux * dvdemux, GstFormat src_format,
switch (src_format) {
case GST_FORMAT_BYTES:
switch (*dest_format) {
switch (dest_format) {
case GST_FORMAT_TIME:
{
guint64 frame;
@ -484,7 +480,7 @@ gst_dvdemux_sink_convert (GstDVDemux * dvdemux, GstFormat src_format,
}
break;
case GST_FORMAT_TIME:
switch (*dest_format) {
switch (dest_format) {
case GST_FORMAT_BYTES:
{
guint64 frame;
@ -507,7 +503,7 @@ gst_dvdemux_sink_convert (GstDVDemux * dvdemux, GstFormat src_format,
}
GST_INFO_OBJECT (dvdemux,
"Result : dest_format:%d, dest_value:%" G_GINT64_FORMAT ", res:%d",
*dest_format, *dest_value, res);
dest_format, *dest_value, res);
done:
return res;
@ -539,7 +535,7 @@ gst_dvdemux_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
/* bring the position to the requested format. */
if (!(res = gst_dvdemux_src_convert (dvdemux, pad,
GST_FORMAT_TIME, dvdemux->time_segment.position,
&format, &cur)))
format, &cur)))
goto error;
gst_query_set_position (query, format, cur);
break;
@ -547,30 +543,29 @@ gst_dvdemux_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
case GST_QUERY_DURATION:
{
GstFormat format;
GstFormat format2;
gint64 end;
GstQuery *pquery;
/* First ask the peer in the original format */
if (!gst_pad_peer_query (dvdemux->sinkpad, query)) {
/* get target format */
gst_query_parse_duration (query, &format, NULL);
/* change query to bytes to perform on peer */
gst_query_set_duration (query, GST_FORMAT_BYTES, -1);
/* Now ask the peer in BYTES format and try to convert */
if (!gst_pad_peer_query (dvdemux->sinkpad, query)) {
pquery = gst_query_new_duration (GST_FORMAT_BYTES);
if (!gst_pad_peer_query (dvdemux->sinkpad, pquery)) {
gst_query_unref (pquery);
goto error;
}
/* get peer total length */
gst_query_parse_duration (query, NULL, &end);
gst_query_parse_duration (pquery, NULL, &end);
gst_query_unref (pquery);
/* convert end to requested format */
if (end != -1) {
format2 = format;
if (!(res = gst_dvdemux_sink_convert (dvdemux,
GST_FORMAT_BYTES, end, &format2, &end))) {
GST_FORMAT_BYTES, end, format, &end))) {
goto error;
}
gst_query_set_duration (query, format, end);
@ -586,7 +581,7 @@ gst_dvdemux_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (!(res =
gst_dvdemux_src_convert (dvdemux, pad, src_fmt, src_val,
&dest_fmt, &dest_val)))
dest_fmt, &dest_val)))
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
@ -622,7 +617,7 @@ gst_dvdemux_sink_query (GstPad * pad, GstObject * parent, GstQuery * query)
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (!(res =
gst_dvdemux_sink_convert (dvdemux, src_fmt, src_val, &dest_fmt,
gst_dvdemux_sink_convert (dvdemux, src_fmt, src_val, dest_fmt,
&dest_val)))
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
@ -738,7 +733,7 @@ gst_dvdemux_convert_src_pair (GstDVDemux * dvdemux, GstPad * pad,
GST_INFO ("starting conversion of start");
/* bring the format to time on srcpad. */
if (!(res = gst_dvdemux_src_convert (dvdemux, pad,
src_format, src_start, &dst_format, dst_start))) {
src_format, src_start, dst_format, dst_start))) {
goto done;
}
GST_INFO ("Finished conversion of start: %" G_GINT64_FORMAT, *dst_start);
@ -746,7 +741,7 @@ gst_dvdemux_convert_src_pair (GstDVDemux * dvdemux, GstPad * pad,
GST_INFO ("starting conversion of stop");
/* bring the format to time on srcpad. */
if (!(res = gst_dvdemux_src_convert (dvdemux, pad,
src_format, src_stop, &dst_format, dst_stop))) {
src_format, src_stop, dst_format, dst_stop))) {
/* could not convert seek format to time offset */
goto done;
}
@ -766,7 +761,7 @@ gst_dvdemux_convert_sink_pair (GstDVDemux * dvdemux,
GST_INFO ("starting conversion of start");
/* bring the format to time on srcpad. */
if (!(res = gst_dvdemux_sink_convert (dvdemux,
src_format, src_start, &dst_format, dst_start))) {
src_format, src_start, dst_format, dst_start))) {
goto done;
}
GST_INFO ("Finished conversion of start: %" G_GINT64_FORMAT, *dst_start);
@ -774,7 +769,7 @@ gst_dvdemux_convert_sink_pair (GstDVDemux * dvdemux,
GST_INFO ("starting conversion of stop");
/* bring the format to time on srcpad. */
if (!(res = gst_dvdemux_sink_convert (dvdemux,
src_format, src_stop, &dst_format, dst_stop))) {
src_format, src_stop, dst_format, dst_stop))) {
/* could not convert seek format to time offset */
goto done;
}
@ -885,34 +880,34 @@ gst_dvdemux_do_seek (GstDVDemux * demux, GstSegment * segment)
format = GST_FORMAT_BYTES;
res = gst_dvdemux_sink_convert (demux,
segment->format, segment->position,
&format, (gint64 *) & demux->byte_segment.position);
format, (gint64 *) & demux->byte_segment.position);
if (!res)
goto done;
/* update byte segment start */
gst_dvdemux_sink_convert (demux,
segment->format, segment->start, &format,
segment->format, segment->start, format,
(gint64 *) & demux->byte_segment.start);
/* update byte segment stop */
gst_dvdemux_sink_convert (demux,
segment->format, segment->stop, &format,
segment->format, segment->stop, format,
(gint64 *) & demux->byte_segment.stop);
/* update byte segment time */
gst_dvdemux_sink_convert (demux,
segment->format, segment->time, &format,
segment->format, segment->time, format,
(gint64 *) & demux->byte_segment.time);
/* calculate current frame number */
format = GST_FORMAT_DEFAULT;
gst_dvdemux_src_convert (demux, demux->videosrcpad,
segment->format, segment->start, &format, &demux->video_offset);
segment->format, segment->start, format, &demux->video_offset);
/* calculate current audio number */
format = GST_FORMAT_DEFAULT;
gst_dvdemux_src_convert (demux, demux->audiosrcpad,
segment->format, segment->start, &format, &demux->audio_offset);
segment->format, segment->start, format, &demux->audio_offset);
/* every DV frame corresponts with one video frame */
demux->frame_offset = demux->video_offset;
@ -1404,7 +1399,7 @@ gst_dvdemux_demux_frame (GstDVDemux * dvdemux, GstBuffer * buffer)
format = GST_FORMAT_DEFAULT;
if (!(gst_dvdemux_src_convert (dvdemux, dvdemux->videosrcpad,
GST_FORMAT_TIME, dvdemux->time_segment.start,
&format, &dvdemux->frame_offset)))
format, &dvdemux->frame_offset)))
goto segment_error;
GST_DEBUG_OBJECT (dvdemux, "sending segment start: %" GST_TIME_FORMAT