mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-03 16:09:39 +00:00
cf2b2b017f
Also move schroedinger plugin. This creates a new library, gstbasevideo-0.10, which will probably be merged back into gstvideo-0.10 when this is moved back to -base.
870 lines
23 KiB
C
870 lines
23 KiB
C
/* Schrodinger
|
|
* Copyright (C) 2006 David Schleef <ds@schleef.org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "gstbasevideoparse.h"
|
|
|
|
#include <string.h>
|
|
#include <math.h>
|
|
|
|
GST_DEBUG_CATEGORY_EXTERN (basevideo_debug);
|
|
#define GST_CAT_DEFAULT basevideo_debug
|
|
|
|
|
|
|
|
/* GstBaseVideoParse signals and args */
|
|
enum
|
|
{
|
|
LAST_SIGNAL
|
|
};
|
|
|
|
enum
|
|
{
|
|
ARG_0
|
|
};
|
|
|
|
static void gst_base_video_parse_finalize (GObject * object);
|
|
|
|
static const GstQueryType *gst_base_video_parse_get_query_types (GstPad * pad);
|
|
static gboolean gst_base_video_parse_src_query (GstPad * pad, GstQuery * query);
|
|
static gboolean gst_base_video_parse_sink_query (GstPad * pad,
|
|
GstQuery * query);
|
|
static gboolean gst_base_video_parse_src_event (GstPad * pad, GstEvent * event);
|
|
static gboolean gst_base_video_parse_sink_event (GstPad * pad,
|
|
GstEvent * event);
|
|
static GstStateChangeReturn gst_base_video_parse_change_state (GstElement *
|
|
element, GstStateChange transition);
|
|
static GstFlowReturn gst_base_video_parse_push_all (GstBaseVideoParse *
|
|
base_video_parse, gboolean at_eos);
|
|
static GstFlowReturn gst_base_video_parse_chain (GstPad * pad, GstBuffer * buf);
|
|
static void gst_base_video_parse_free_frame (GstVideoFrame * frame);
|
|
static GstVideoFrame *gst_base_video_parse_new_frame (GstBaseVideoParse *
|
|
base_video_parse);
|
|
|
|
|
|
GST_BOILERPLATE (GstBaseVideoParse, gst_base_video_parse,
|
|
GstBaseVideoCodec, GST_TYPE_BASE_VIDEO_CODEC);
|
|
|
|
static void
|
|
gst_base_video_parse_base_init (gpointer g_class)
|
|
{
|
|
|
|
}
|
|
|
|
static void
|
|
gst_base_video_parse_class_init (GstBaseVideoParseClass * klass)
|
|
{
|
|
GObjectClass *gobject_class;
|
|
GstElementClass *element_class;
|
|
|
|
gobject_class = G_OBJECT_CLASS (klass);
|
|
element_class = GST_ELEMENT_CLASS (klass);
|
|
|
|
gobject_class->finalize = gst_base_video_parse_finalize;
|
|
|
|
element_class->change_state = gst_base_video_parse_change_state;
|
|
}
|
|
|
|
static void
|
|
gst_base_video_parse_init (GstBaseVideoParse * base_video_parse,
|
|
GstBaseVideoParseClass * klass)
|
|
{
|
|
GstPad *pad;
|
|
|
|
GST_DEBUG ("gst_base_video_parse_init");
|
|
|
|
pad = GST_BASE_VIDEO_CODEC_SINK_PAD (base_video_parse);
|
|
|
|
gst_pad_set_chain_function (pad, gst_base_video_parse_chain);
|
|
gst_pad_set_query_function (pad, gst_base_video_parse_sink_query);
|
|
gst_pad_set_event_function (pad, gst_base_video_parse_sink_event);
|
|
|
|
pad = GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse);
|
|
|
|
gst_pad_set_query_type_function (pad, gst_base_video_parse_get_query_types);
|
|
gst_pad_set_query_function (pad, gst_base_video_parse_src_query);
|
|
gst_pad_set_event_function (pad, gst_base_video_parse_src_event);
|
|
|
|
base_video_parse->input_adapter = gst_adapter_new ();
|
|
base_video_parse->output_adapter = gst_adapter_new ();
|
|
|
|
base_video_parse->reorder_depth = 1;
|
|
|
|
base_video_parse->current_frame =
|
|
gst_base_video_parse_new_frame (base_video_parse);
|
|
}
|
|
|
|
static void
|
|
gst_base_video_parse_reset (GstBaseVideoParse * base_video_parse)
|
|
{
|
|
GST_DEBUG ("reset");
|
|
|
|
base_video_parse->discont = TRUE;
|
|
base_video_parse->have_sync = FALSE;
|
|
|
|
base_video_parse->system_frame_number = 0;
|
|
base_video_parse->presentation_frame_number = 0;
|
|
|
|
if (base_video_parse->caps) {
|
|
gst_caps_unref (base_video_parse->caps);
|
|
base_video_parse->caps = NULL;
|
|
}
|
|
|
|
gst_segment_init (&base_video_parse->state.segment, GST_FORMAT_TIME);
|
|
gst_adapter_clear (base_video_parse->input_adapter);
|
|
gst_adapter_clear (base_video_parse->output_adapter);
|
|
|
|
if (base_video_parse->current_frame) {
|
|
gst_base_video_parse_free_frame (base_video_parse->current_frame);
|
|
}
|
|
base_video_parse->current_frame =
|
|
gst_base_video_parse_new_frame (base_video_parse);
|
|
|
|
}
|
|
|
|
static void
|
|
gst_base_video_parse_finalize (GObject * object)
|
|
{
|
|
GstBaseVideoParse *base_video_parse;
|
|
|
|
g_return_if_fail (GST_IS_BASE_VIDEO_PARSE (object));
|
|
base_video_parse = GST_BASE_VIDEO_PARSE (object);
|
|
|
|
if (base_video_parse->input_adapter) {
|
|
g_object_unref (base_video_parse->input_adapter);
|
|
}
|
|
if (base_video_parse->output_adapter) {
|
|
g_object_unref (base_video_parse->output_adapter);
|
|
}
|
|
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
}
|
|
|
|
static const GstQueryType *
|
|
gst_base_video_parse_get_query_types (GstPad * pad)
|
|
{
|
|
static const GstQueryType query_types[] = {
|
|
GST_QUERY_POSITION,
|
|
GST_QUERY_DURATION,
|
|
GST_QUERY_CONVERT,
|
|
0
|
|
};
|
|
|
|
return query_types;
|
|
}
|
|
|
|
#if 0
|
|
static gboolean
|
|
gst_base_video_parse_src_convert (GstPad * pad,
|
|
GstFormat src_format, gint64 src_value,
|
|
GstFormat * dest_format, gint64 * dest_value)
|
|
{
|
|
gboolean res;
|
|
GstBaseVideoParse *dec;
|
|
|
|
if (src_format == *dest_format) {
|
|
*dest_value = src_value;
|
|
return TRUE;
|
|
}
|
|
|
|
dec = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
|
|
|
|
if (src_format == GST_FORMAT_DEFAULT && *dest_format == GST_FORMAT_TIME) {
|
|
if (dec->fps_d != 0) {
|
|
*dest_value = gst_util_uint64_scale (granulepos_to_frame (src_value),
|
|
dec->fps_d * GST_SECOND, dec->fps_n);
|
|
res = TRUE;
|
|
} else {
|
|
res = FALSE;
|
|
}
|
|
} else {
|
|
GST_WARNING ("unhandled conversion from %d to %d", src_format,
|
|
*dest_format);
|
|
res = FALSE;
|
|
}
|
|
|
|
gst_object_unref (dec);
|
|
|
|
return res;
|
|
}
|
|
|
|
static gboolean
|
|
gst_base_video_parse_sink_convert (GstPad * pad,
|
|
GstFormat src_format, gint64 src_value,
|
|
GstFormat * dest_format, gint64 * dest_value)
|
|
{
|
|
gboolean res = TRUE;
|
|
GstBaseVideoParse *dec;
|
|
|
|
if (src_format == *dest_format) {
|
|
*dest_value = src_value;
|
|
return TRUE;
|
|
}
|
|
|
|
dec = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
|
|
|
|
/* FIXME: check if we are in a decoding state */
|
|
|
|
switch (src_format) {
|
|
case GST_FORMAT_DEFAULT:
|
|
switch (*dest_format) {
|
|
case GST_FORMAT_TIME:
|
|
*dest_value = gst_util_uint64_scale (src_value,
|
|
dec->fps_d * GST_SECOND, dec->fps_n);
|
|
break;
|
|
default:
|
|
res = FALSE;
|
|
}
|
|
break;
|
|
case GST_FORMAT_TIME:
|
|
switch (*dest_format) {
|
|
case GST_FORMAT_DEFAULT:
|
|
{
|
|
*dest_value = gst_util_uint64_scale (src_value,
|
|
dec->fps_n, dec->fps_d * GST_SECOND);
|
|
break;
|
|
}
|
|
default:
|
|
res = FALSE;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
res = FALSE;
|
|
break;
|
|
}
|
|
|
|
gst_object_unref (dec);
|
|
|
|
return res;
|
|
}
|
|
#endif
|
|
|
|
static gboolean
|
|
gst_base_video_parse_src_query (GstPad * pad, GstQuery * query)
|
|
{
|
|
GstBaseVideoParse *base_parse;
|
|
gboolean res = FALSE;
|
|
|
|
base_parse = GST_BASE_VIDEO_PARSE (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_parse->presentation_frame_number,
|
|
base_parse->state.fps_n, base_parse->state.fps_d);
|
|
time += base_parse->state.segment.time;
|
|
GST_DEBUG ("query position %lld", time);
|
|
res = gst_base_video_encoded_video_convert (&base_parse->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 (GST_BASE_VIDEO_CODEC_SINK_PAD
|
|
(base_parse)), query);
|
|
if (!res)
|
|
goto error;
|
|
break;
|
|
case GST_QUERY_CONVERT:
|
|
{
|
|
GstFormat src_fmt, dest_fmt;
|
|
gint64 src_val, dest_val;
|
|
|
|
GST_WARNING ("query convert");
|
|
|
|
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
|
|
res = gst_base_video_encoded_video_convert (&base_parse->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_parse);
|
|
|
|
return res;
|
|
error:
|
|
GST_DEBUG_OBJECT (base_parse, "query failed");
|
|
goto done;
|
|
}
|
|
|
|
static gboolean
|
|
gst_base_video_parse_sink_query (GstPad * pad, GstQuery * query)
|
|
{
|
|
GstBaseVideoParse *base_video_parse;
|
|
gboolean res = FALSE;
|
|
|
|
base_video_parse = GST_BASE_VIDEO_PARSE (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_parse->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_parse);
|
|
|
|
return res;
|
|
error:
|
|
GST_DEBUG_OBJECT (base_video_parse, "query failed");
|
|
goto done;
|
|
}
|
|
|
|
static gboolean
|
|
gst_base_video_parse_src_event (GstPad * pad, GstEvent * event)
|
|
{
|
|
GstBaseVideoParse *base_video_parse;
|
|
gboolean res = FALSE;
|
|
|
|
base_video_parse = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
case GST_EVENT_SEEK:
|
|
{
|
|
GstFormat format, tformat;
|
|
gdouble rate;
|
|
GstEvent *real_seek;
|
|
GstSeekFlags flags;
|
|
GstSeekType cur_type, stop_type;
|
|
gint64 cur, stop;
|
|
gint64 tcur, tstop;
|
|
|
|
gst_event_parse_seek (event, &rate, &format, &flags, &cur_type,
|
|
&cur, &stop_type, &stop);
|
|
gst_event_unref (event);
|
|
|
|
tformat = GST_FORMAT_TIME;
|
|
res = gst_base_video_encoded_video_convert (&base_video_parse->state,
|
|
format, cur, &tformat, &tcur);
|
|
if (!res)
|
|
goto convert_error;
|
|
res = gst_base_video_encoded_video_convert (&base_video_parse->state,
|
|
format, stop, &tformat, &tstop);
|
|
if (!res)
|
|
goto convert_error;
|
|
|
|
real_seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
|
|
flags, cur_type, tcur, stop_type, tstop);
|
|
|
|
res =
|
|
gst_pad_push_event (GST_BASE_VIDEO_CODEC_SINK_PAD (base_video_parse),
|
|
real_seek);
|
|
|
|
break;
|
|
}
|
|
#if 0
|
|
case GST_EVENT_QOS:
|
|
{
|
|
gdouble proportion;
|
|
GstClockTimeDiff diff;
|
|
GstClockTime timestamp;
|
|
|
|
gst_event_parse_qos (event, &proportion, &diff, ×tamp);
|
|
|
|
GST_OBJECT_LOCK (base_video_parse);
|
|
base_video_parse->proportion = proportion;
|
|
base_video_parse->earliest_time = timestamp + diff;
|
|
GST_OBJECT_UNLOCK (base_video_parse);
|
|
|
|
GST_DEBUG_OBJECT (base_video_parse,
|
|
"got QoS %" GST_TIME_FORMAT ", %" G_GINT64_FORMAT,
|
|
GST_TIME_ARGS (timestamp), diff);
|
|
|
|
res = gst_pad_push_event (base_video_parse->sinkpad, event);
|
|
break;
|
|
}
|
|
#endif
|
|
default:
|
|
res =
|
|
gst_pad_push_event (GST_BASE_VIDEO_CODEC_SINK_PAD (base_video_parse),
|
|
event);
|
|
break;
|
|
}
|
|
done:
|
|
gst_object_unref (base_video_parse);
|
|
return res;
|
|
|
|
convert_error:
|
|
GST_DEBUG_OBJECT (base_video_parse, "could not convert format");
|
|
goto done;
|
|
}
|
|
|
|
static gboolean
|
|
gst_base_video_parse_sink_event (GstPad * pad, GstEvent * event)
|
|
{
|
|
GstBaseVideoParse *base_video_parse;
|
|
gboolean ret = FALSE;
|
|
|
|
base_video_parse = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
case GST_EVENT_FLUSH_START:
|
|
ret =
|
|
gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
|
|
event);
|
|
break;
|
|
case GST_EVENT_FLUSH_STOP:
|
|
gst_base_video_parse_reset (base_video_parse);
|
|
ret =
|
|
gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
|
|
event);
|
|
break;
|
|
case GST_EVENT_EOS:
|
|
if (gst_base_video_parse_push_all (base_video_parse,
|
|
FALSE) == GST_FLOW_ERROR) {
|
|
gst_event_unref (event);
|
|
return FALSE;
|
|
}
|
|
|
|
ret =
|
|
gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
|
|
event);
|
|
break;
|
|
case GST_EVENT_NEWSEGMENT:
|
|
{
|
|
gboolean update;
|
|
GstFormat format;
|
|
gdouble rate;
|
|
gint64 start, stop, time;
|
|
|
|
gst_event_parse_new_segment (event, &update, &rate, &format, &start,
|
|
&stop, &time);
|
|
|
|
if (format != GST_FORMAT_TIME)
|
|
goto newseg_wrong_format;
|
|
|
|
if (rate <= 0.0)
|
|
goto newseg_wrong_rate;
|
|
|
|
GST_DEBUG ("newsegment %lld %lld", start, time);
|
|
gst_segment_set_newsegment (&base_video_parse->state.segment, update,
|
|
rate, format, start, stop, time);
|
|
|
|
ret =
|
|
gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
|
|
event);
|
|
break;
|
|
}
|
|
default:
|
|
ret =
|
|
gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
|
|
event);
|
|
break;
|
|
}
|
|
done:
|
|
gst_object_unref (base_video_parse);
|
|
return ret;
|
|
|
|
newseg_wrong_format:
|
|
GST_DEBUG_OBJECT (base_video_parse, "received non TIME newsegment");
|
|
gst_event_unref (event);
|
|
goto done;
|
|
|
|
newseg_wrong_rate:
|
|
GST_DEBUG_OBJECT (base_video_parse, "negative rates not supported");
|
|
gst_event_unref (event);
|
|
goto done;
|
|
}
|
|
|
|
|
|
static GstStateChangeReturn
|
|
gst_base_video_parse_change_state (GstElement * element,
|
|
GstStateChange transition)
|
|
{
|
|
GstBaseVideoParse *base_parse = GST_BASE_VIDEO_PARSE (element);
|
|
GstStateChangeReturn ret;
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_NULL_TO_READY:
|
|
break;
|
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
gst_base_video_parse_reset (base_parse);
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
gst_base_video_parse_reset (base_parse);
|
|
break;
|
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static guint64
|
|
gst_base_video_parse_get_timestamp (GstBaseVideoParse * base_video_parse,
|
|
int picture_number)
|
|
{
|
|
if (picture_number < 0) {
|
|
return base_video_parse->timestamp_offset -
|
|
(gint64) gst_util_uint64_scale (-picture_number,
|
|
base_video_parse->state.fps_d * GST_SECOND,
|
|
base_video_parse->state.fps_n);
|
|
} else {
|
|
return base_video_parse->timestamp_offset +
|
|
gst_util_uint64_scale (picture_number,
|
|
base_video_parse->state.fps_d * GST_SECOND,
|
|
base_video_parse->state.fps_n);
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_base_video_parse_push_all (GstBaseVideoParse * base_video_parse,
|
|
gboolean at_eos)
|
|
{
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
|
|
/* FIXME do stuff */
|
|
|
|
return ret;
|
|
}
|
|
|
|
static GstBuffer *
|
|
gst_adapter_get_buffer (GstAdapter * adapter)
|
|
{
|
|
return gst_buffer_ref (GST_BUFFER (adapter->buflist->data));
|
|
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_base_video_parse_chain (GstPad * pad, GstBuffer * buf)
|
|
{
|
|
GstBaseVideoParse *base_video_parse;
|
|
GstBaseVideoParseClass *klass;
|
|
GstBuffer *buffer;
|
|
GstFlowReturn ret;
|
|
|
|
GST_DEBUG ("chain with %d bytes", GST_BUFFER_SIZE (buf));
|
|
|
|
base_video_parse = GST_BASE_VIDEO_PARSE (GST_PAD_PARENT (pad));
|
|
klass = GST_BASE_VIDEO_PARSE_GET_CLASS (base_video_parse);
|
|
|
|
if (!base_video_parse->started) {
|
|
klass->start (base_video_parse);
|
|
base_video_parse->started = TRUE;
|
|
}
|
|
|
|
if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DISCONT))) {
|
|
GST_DEBUG_OBJECT (base_video_parse, "received DISCONT buffer");
|
|
gst_base_video_parse_reset (base_video_parse);
|
|
base_video_parse->discont = TRUE;
|
|
base_video_parse->have_sync = FALSE;
|
|
}
|
|
|
|
if (GST_BUFFER_TIMESTAMP (buf) != GST_CLOCK_TIME_NONE) {
|
|
base_video_parse->last_timestamp = GST_BUFFER_TIMESTAMP (buf);
|
|
}
|
|
gst_adapter_push (base_video_parse->input_adapter, buf);
|
|
|
|
if (!base_video_parse->have_sync) {
|
|
int n, m;
|
|
|
|
GST_DEBUG ("no sync, scanning");
|
|
|
|
n = gst_adapter_available (base_video_parse->input_adapter);
|
|
m = klass->scan_for_sync (base_video_parse->input_adapter, FALSE, 0, n);
|
|
|
|
gst_adapter_flush (base_video_parse->input_adapter, m);
|
|
|
|
if (m < n) {
|
|
GST_DEBUG ("found possible sync after %d bytes (of %d)", m, n);
|
|
|
|
/* this is only "maybe" sync */
|
|
base_video_parse->have_sync = TRUE;
|
|
}
|
|
|
|
if (!base_video_parse->have_sync) {
|
|
return GST_FLOW_OK;
|
|
}
|
|
}
|
|
|
|
/* FIXME: use gst_adapter_prev_timestamp() here instead? */
|
|
buffer = gst_adapter_get_buffer (base_video_parse->input_adapter);
|
|
|
|
gst_buffer_unref (buffer);
|
|
|
|
/* FIXME check klass->parse_data */
|
|
|
|
do {
|
|
ret = klass->parse_data (base_video_parse, FALSE);
|
|
} while (ret == GST_FLOW_OK);
|
|
|
|
if (ret == GST_BASE_VIDEO_PARSE_FLOW_NEED_DATA) {
|
|
return GST_FLOW_OK;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
GstVideoState *
|
|
gst_base_video_parse_get_state (GstBaseVideoParse * base_video_parse)
|
|
{
|
|
return &base_video_parse->state;
|
|
}
|
|
|
|
void
|
|
gst_base_video_parse_set_state (GstBaseVideoParse * base_video_parse,
|
|
GstVideoState * state)
|
|
{
|
|
GST_DEBUG ("set_state");
|
|
|
|
memcpy (&base_video_parse->state, state, sizeof (GstVideoState));
|
|
|
|
/* FIXME set caps */
|
|
|
|
}
|
|
|
|
|
|
gboolean
|
|
gst_base_video_parse_set_src_caps (GstBaseVideoParse * base_video_parse,
|
|
GstCaps * caps)
|
|
{
|
|
g_return_val_if_fail (GST_IS_BASE_VIDEO_PARSE (base_video_parse), FALSE);
|
|
|
|
GST_DEBUG ("set_src_caps");
|
|
|
|
return gst_pad_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
|
|
caps);
|
|
}
|
|
|
|
void
|
|
gst_base_video_parse_lost_sync (GstBaseVideoParse * base_video_parse)
|
|
{
|
|
g_return_if_fail (GST_IS_BASE_VIDEO_PARSE (base_video_parse));
|
|
|
|
GST_DEBUG ("lost_sync");
|
|
|
|
if (gst_adapter_available (base_video_parse->input_adapter) >= 1) {
|
|
gst_adapter_flush (base_video_parse->input_adapter, 1);
|
|
}
|
|
|
|
base_video_parse->have_sync = FALSE;
|
|
}
|
|
|
|
GstVideoFrame *
|
|
gst_base_video_parse_get_frame (GstBaseVideoParse * base_video_parse)
|
|
{
|
|
g_return_val_if_fail (GST_IS_BASE_VIDEO_PARSE (base_video_parse), NULL);
|
|
|
|
return base_video_parse->current_frame;
|
|
}
|
|
|
|
void
|
|
gst_base_video_parse_add_to_frame (GstBaseVideoParse * base_video_parse,
|
|
int n_bytes)
|
|
{
|
|
GstBuffer *buf;
|
|
|
|
GST_DEBUG ("add_to_frame");
|
|
|
|
buf = gst_adapter_take_buffer (base_video_parse->input_adapter, n_bytes);
|
|
|
|
gst_adapter_push (base_video_parse->output_adapter, buf);
|
|
}
|
|
|
|
GstFlowReturn
|
|
gst_base_video_parse_finish_frame (GstBaseVideoParse * base_video_parse)
|
|
{
|
|
GstVideoFrame *frame = base_video_parse->current_frame;
|
|
GstBuffer *buffer;
|
|
GstBaseVideoParseClass *base_video_parse_class;
|
|
GstFlowReturn ret;
|
|
|
|
GST_DEBUG ("finish_frame");
|
|
|
|
base_video_parse_class = GST_BASE_VIDEO_PARSE_GET_CLASS (base_video_parse);
|
|
|
|
buffer = gst_adapter_take_buffer (base_video_parse->output_adapter,
|
|
gst_adapter_available (base_video_parse->output_adapter));
|
|
|
|
if (frame->is_sync_point) {
|
|
base_video_parse->timestamp_offset = base_video_parse->last_timestamp -
|
|
gst_util_uint64_scale (frame->presentation_frame_number,
|
|
base_video_parse->state.fps_d * GST_SECOND,
|
|
base_video_parse->state.fps_n);
|
|
base_video_parse->distance_from_sync = 0;
|
|
}
|
|
|
|
frame->distance_from_sync = base_video_parse->distance_from_sync;
|
|
base_video_parse->distance_from_sync++;
|
|
|
|
frame->presentation_timestamp =
|
|
gst_base_video_parse_get_timestamp (base_video_parse,
|
|
frame->presentation_frame_number);
|
|
frame->presentation_duration =
|
|
gst_base_video_parse_get_timestamp (base_video_parse,
|
|
frame->presentation_frame_number + 1) - frame->presentation_timestamp;
|
|
frame->decode_timestamp =
|
|
gst_base_video_parse_get_timestamp (base_video_parse,
|
|
frame->decode_frame_number);
|
|
|
|
GST_BUFFER_TIMESTAMP (buffer) = frame->presentation_timestamp;
|
|
GST_BUFFER_DURATION (buffer) = frame->presentation_duration;
|
|
if (frame->decode_frame_number < 0) {
|
|
GST_BUFFER_OFFSET (buffer) = 0;
|
|
} else {
|
|
GST_BUFFER_OFFSET (buffer) = frame->decode_timestamp;
|
|
}
|
|
GST_BUFFER_OFFSET_END (buffer) = GST_CLOCK_TIME_NONE;
|
|
|
|
GST_DEBUG ("pts %" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS (frame->presentation_timestamp));
|
|
GST_DEBUG ("dts %" GST_TIME_FORMAT, GST_TIME_ARGS (frame->decode_timestamp));
|
|
GST_DEBUG ("dist %d", frame->distance_from_sync);
|
|
|
|
if (frame->is_sync_point) {
|
|
GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
|
|
} else {
|
|
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
|
|
}
|
|
|
|
frame->src_buffer = buffer;
|
|
ret = base_video_parse_class->shape_output (base_video_parse, frame);
|
|
|
|
gst_base_video_parse_free_frame (base_video_parse->current_frame);
|
|
|
|
/* create new frame */
|
|
base_video_parse->current_frame =
|
|
gst_base_video_parse_new_frame (base_video_parse);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
gst_base_video_parse_free_frame (GstVideoFrame * frame)
|
|
{
|
|
if (frame->sink_buffer) {
|
|
gst_buffer_unref (frame->sink_buffer);
|
|
}
|
|
#if 0
|
|
if (frame->src_buffer) {
|
|
gst_buffer_unref (frame->src_buffer);
|
|
}
|
|
#endif
|
|
|
|
g_free (frame);
|
|
}
|
|
|
|
static GstVideoFrame *
|
|
gst_base_video_parse_new_frame (GstBaseVideoParse * base_video_parse)
|
|
{
|
|
GstVideoFrame *frame;
|
|
|
|
frame = g_malloc0 (sizeof (GstVideoFrame));
|
|
|
|
frame->system_frame_number = base_video_parse->system_frame_number;
|
|
base_video_parse->system_frame_number++;
|
|
|
|
frame->decode_frame_number = frame->system_frame_number -
|
|
base_video_parse->reorder_depth;
|
|
|
|
return frame;
|
|
}
|
|
|
|
void
|
|
gst_base_video_parse_set_sync_point (GstBaseVideoParse * base_video_parse)
|
|
{
|
|
GST_DEBUG ("set_sync_point");
|
|
|
|
base_video_parse->current_frame->is_sync_point = TRUE;
|
|
|
|
base_video_parse->distance_from_sync = 0;
|
|
}
|
|
|
|
GstFlowReturn
|
|
gst_base_video_parse_push (GstBaseVideoParse * base_video_parse,
|
|
GstBuffer * buffer)
|
|
{
|
|
GstBaseVideoParseClass *base_video_parse_class;
|
|
|
|
base_video_parse_class = GST_BASE_VIDEO_PARSE_GET_CLASS (base_video_parse);
|
|
|
|
if (base_video_parse->caps == NULL) {
|
|
gboolean ret;
|
|
|
|
base_video_parse->caps =
|
|
base_video_parse_class->get_caps (base_video_parse);
|
|
|
|
ret = gst_pad_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
|
|
base_video_parse->caps);
|
|
|
|
if (!ret) {
|
|
GST_WARNING ("pad didn't accept caps");
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
gst_buffer_set_caps (buffer, base_video_parse->caps);
|
|
|
|
GST_DEBUG ("pushing ts=%lld dur=%lld off=%lld off_end=%lld",
|
|
GST_BUFFER_TIMESTAMP (buffer),
|
|
GST_BUFFER_DURATION (buffer),
|
|
GST_BUFFER_OFFSET (buffer), GST_BUFFER_OFFSET_END (buffer));
|
|
|
|
if (base_video_parse->discont) {
|
|
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
|
|
base_video_parse->discont = FALSE;
|
|
} else {
|
|
GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DISCONT);
|
|
}
|
|
|
|
return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse), buffer);
|
|
}
|