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gstdvbvideosink.c
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/*
* GStreamer DVB Media Sink
*
* Copyright 2011 <[email protected]>
*
* based on code by:
* Copyright 2006 Felix Domke <[email protected]>
* Copyright 2005 Thomas Vander Stichele <[email protected]>
* Copyright 2005 Ronald S. Bultje <[email protected]>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Alternatively, the contents of this file may be used under the
* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
* which case the following provisions apply instead of the ones
* mentioned above:
*
* 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.
*/
/**
* SECTION:element-plugin
*
* <refsect2>
* <title>Example launch line</title>
* <para>
* <programlisting>
* gst-launch -v -m audiotestsrc ! plugin ! fakesink silent=TRUE
* </programlisting>
* </para>
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef __sh__
#include <linux/dvb/stm_ioctls.h>
#endif
#include <gst/gst.h>
#include <gst/base/gstbasesink.h>
#include "common.h"
#include "gstdvbvideosink.h"
#include "gstdvbsink-marshal.h"
#ifndef VIDEO_SET_CODEC_DATA
typedef struct video_codec_data
{
int length;
guint8 *data;
} video_codec_data_t;
#define VIDEO_SET_CODEC_DATA _IOW('o', 80, video_codec_data_t)
#endif
#ifdef DREAMBOX
static int readMpegProc(const char *str, int decoder)
{
int val = -1;
char tmp[64];
sprintf(tmp, "/proc/stb/vmpeg/%d/%s", decoder, str);
FILE *f = fopen(tmp, "r");
if(f)
{
fscanf(f, "%x", &val);
fclose(f);
}
return val;
}
static int readApiSize(int fd, int *xres, int *yres, int *aspect)
{
video_size_t size;
if(!ioctl(fd, VIDEO_GET_SIZE, &size))
{
*xres = size.w;
*yres = size.h;
*aspect = size.aspect_ratio == 0 ? 2 : 3; // convert dvb api to etsi
return 0;
}
return -1;
}
static int readApiFrameRate(int fd, int *framerate)
{
unsigned int frate;
if(!ioctl(fd, VIDEO_GET_FRAME_RATE, &frate))
{
*framerate = frate;
return 0;
}
return -1;
}
#endif
GST_DEBUG_CATEGORY_STATIC (dvbvideosink_debug);
#define GST_CAT_DEFAULT dvbvideosink_debug
#define VIDEO_CAPS \
"width = (int) [ 16, 4096 ], " \
"height = (int) [ 16, 4096 ] "
#define MPEG4V2_LIMITED_CAPS \
"width = (int) [ 16, 800 ], " \
"height = (int) [ 16, 600 ], " \
"framerate = (fraction) [ 0, MAX ]"
enum
{
PROP_0,
PROP_SYNC,
PROP_LAST,
};
enum
{
SIGNAL_GET_DECODER_TIME,
LAST_SIGNAL
};
static guint gst_dvb_videosink_signals[LAST_SIGNAL] = { 0 };
static GstStaticPadTemplate sink_factory =
GST_STATIC_PAD_TEMPLATE (
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (
#ifdef HAVE_MPEG4
"video/mpeg, "
"mpegversion = (int) 4, "
"unpacked = (boolean) true, "
VIDEO_CAPS "; "
#endif
"video/mpeg, "
"mpegversion = (int) { 1, 2 }, "
VIDEO_CAPS "; "
#ifdef HAVE_H265
"video/x-h265, "
VIDEO_CAPS "; "
#endif
#ifdef HAVE_H264
"video/x-h264, "
VIDEO_CAPS "; "
"video/x-h264, "
"parsed = (boolean) true, "
"alignment = (string) nal; "
#endif
#ifdef HAVE_H263
"video/x-h263, "
VIDEO_CAPS "; "
#endif
#ifdef HAVE_MPEG4V2
"video/x-msmpeg, "
#ifdef HAVE_LIMITED_MPEG4V2
MPEG4V2_LIMITED_CAPS
#else
VIDEO_CAPS
#endif
", msmpegversion = (int) 43; "
"video/x-divx, "
#ifdef HAVE_LIMITED_MPEG4V2
MPEG4V2_LIMITED_CAPS
#else
VIDEO_CAPS
#endif
", divxversion = (int) 3;"
"video/x-xvid, "
#ifdef HAVE_LIMITED_MPEG4V2
MPEG4V2_LIMITED_CAPS
#else
VIDEO_CAPS
#endif
"; "
"video/x-3ivx, "
#ifdef HAVE_LIMITED_MPEG4V2
MPEG4V2_LIMITED_CAPS
#else
VIDEO_CAPS
#endif
"; "
#endif
#ifdef HAVE_WMV
"video/x-wmv, "
VIDEO_CAPS ", wmvversion = (int) 3; "
#endif
)
);
#define VIDEO_ENCODING_UNKNOWN 0xFF
unsigned int streamtype_to_encoding(unsigned int streamtype)
{
#ifdef VIDEO_SET_ENCODING
switch(streamtype)
{
case STREAMTYPE_MPEG2:
return VIDEO_ENCODING_AUTO;
case STREAMTYPE_MPEG4_H264:
return VIDEO_ENCODING_H264;
case STREAMTYPE_H263:
return VIDEO_ENCODING_H263;
case STREAMTYPE_MPEG4_Part2:
return VIDEO_ENCODING_MPEG4P2;
case STREAMTYPE_MPEG1:
return VIDEO_ENCODING_AUTO;
case STREAMTYPE_XVID:
return VIDEO_ENCODING_MPEG4P2;
case STREAMTYPE_DIVX311:
return VIDEO_ENCODING_MPEG4P2;
case STREAMTYPE_DIVX4:
return VIDEO_ENCODING_MPEG4P2;
case STREAMTYPE_DIVX5:
return VIDEO_ENCODING_MPEG4P2;
case STREAMTYPE_VC1:
return VIDEO_ENCODING_VC1;
case STREAMTYPE_VC1_SM:
return VIDEO_ENCODING_WMV;
default:
return VIDEO_ENCODING_UNKNOWN;
}
#endif
return VIDEO_ENCODING_UNKNOWN;
}
static void gst_dvbvideosink_init(GstDVBVideoSink *self);
static void gst_dvbvideosink_dispose(GObject *obj);
static void gst_dvbvideosink_reset(GObject *obj);
static void gst_dvbvideosink_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_dvbvideosink_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec);
#define DEBUG_INIT \
GST_DEBUG_CATEGORY_INIT(dvbvideosink_debug, "dvbvideosink", 0, "dvbvideosink element");
static GstBaseSinkClass *parent_class = NULL;
G_DEFINE_TYPE_WITH_CODE(GstDVBVideoSink, gst_dvbvideosink, GST_TYPE_BASE_SINK, DEBUG_INIT);
static gboolean gst_dvbvideosink_start (GstBaseSink * sink);
static gboolean gst_dvbvideosink_stop (GstBaseSink * sink);
static gboolean gst_dvbvideosink_event (GstBaseSink * sink, GstEvent * event);
static GstFlowReturn gst_dvbvideosink_render (GstBaseSink * sink, GstBuffer * buffer);
static gboolean gst_dvbvideosink_set_caps (GstBaseSink * sink, GstCaps * caps);
static gboolean gst_dvbvideosink_unlock (GstBaseSink * basesink);
static gboolean gst_dvbvideosink_unlock_stop (GstBaseSink * basesink);
static GstStateChangeReturn gst_dvbvideosink_change_state (GstElement * element, GstStateChange transition);
static gint64 gst_dvbvideosink_get_decoder_time (GstDVBVideoSink *self);
/* initialize the plugin's class */
static void gst_dvbvideosink_class_init(GstDVBVideoSinkClass *self)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (self);
GstBaseSinkClass *gstbasesink_class = GST_BASE_SINK_CLASS (self);
GstElementClass *element_class = GST_ELEMENT_CLASS (self);
parent_class = g_type_class_peek_parent(self);
gobject_class->finalize = gst_dvbvideosink_reset;
gobject_class->dispose = gst_dvbvideosink_dispose;
gst_element_class_add_pad_template(element_class, gst_static_pad_template_get(&sink_factory));
gst_element_class_set_static_metadata(element_class,
"DVB video sink",
"Generic/DVBVideoSink",
"Outputs PES into a linuxtv dvb video device",
"PLi team");
gobject_class->set_property = gst_dvbvideosink_set_property;
gobject_class->get_property = gst_dvbvideosink_get_property;
g_object_class_install_property (gobject_class, PROP_SYNC,
g_param_spec_boolean ("sync", "Sync", "Sync on the clock", FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstbasesink_class->start = GST_DEBUG_FUNCPTR (gst_dvbvideosink_start);
gstbasesink_class->stop = GST_DEBUG_FUNCPTR (gst_dvbvideosink_stop);
gstbasesink_class->render = GST_DEBUG_FUNCPTR (gst_dvbvideosink_render);
gstbasesink_class->event = GST_DEBUG_FUNCPTR (gst_dvbvideosink_event);
gstbasesink_class->unlock = GST_DEBUG_FUNCPTR (gst_dvbvideosink_unlock);
gstbasesink_class->unlock_stop = GST_DEBUG_FUNCPTR (gst_dvbvideosink_unlock_stop);
gstbasesink_class->set_caps = GST_DEBUG_FUNCPTR (gst_dvbvideosink_set_caps);
element_class->change_state = GST_DEBUG_FUNCPTR (gst_dvbvideosink_change_state);
gst_dvb_videosink_signals[SIGNAL_GET_DECODER_TIME] =
g_signal_new ("get-decoder-time",
G_TYPE_FROM_CLASS (self),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GstDVBVideoSinkClass, get_decoder_time),
NULL, NULL, gst_dvbsink_marshal_INT64__VOID, G_TYPE_INT64, 0);
self->get_decoder_time = gst_dvbvideosink_get_decoder_time;
}
#define H264_BUFFER_SIZE (64*1024+2048)
/* initialize the new element
* instantiate pads and add them to element
* set functions
* initialize structure
*/
static void gst_dvbvideosink_init(GstDVBVideoSink *self)
{
self->must_send_header = TRUE;
self->h264_nal_len_size = 0;
self->h264_initial_audelim_written = FALSE;
self->pesheader_buffer = NULL;
self->codec_data = NULL;
self->codec_type = CT_H264;
self->stream_type = STREAMTYPE_UNKNOWN;
self->use_dts = FALSE;
self->paused = self->playing = self->unlocking = self->flushing = self->first_paused = FALSE;
self->pts_written = self->using_dts_downmix = FALSE;
self->lastpts = 0;
self->timestamp_offset = 0;
self->queue = NULL;
self->fd = -1;
self->unlockfd[0] = self->unlockfd[1] = -1;
self->saved_fallback_framerate[0] = 0;
self->rate = 1.0;
self->wmv_asf = FALSE;
#ifdef VIDEO_SET_ENCODING
self->use_set_encoding = TRUE;
#else
self->use_set_encoding = FALSE;
#endif
#ifdef VUPLUS
gst_base_sink_set_sync(GST_BASE_SINK(self), FALSE);
gst_base_sink_set_async_enabled(GST_BASE_SINK(self), FALSE);
#else
gst_base_sink_set_sync(GST_BASE_SINK(self), FALSE);
gst_base_sink_set_async_enabled(GST_BASE_SINK(self), FALSE);
#endif
}
static void gst_dvbvideosink_dispose(GObject *obj)
{
G_OBJECT_CLASS(parent_class)->dispose(obj);
GST_DEBUG("GstDVBVideoSink DISPOSED");
}
static void gst_dvbvideosink_reset(GObject *obj)
{
G_OBJECT_CLASS(parent_class)->finalize(obj);
GST_DEBUG("GstDVBVideoSink RESET");
}
static void gst_dvbvideosink_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstDVBVideoSink *self = GST_DVBVIDEOSINK(object);
switch (prop_id)
{
/* sink should only work with sync turned off, ignore all attempts to change it */
case PROP_SYNC:
GST_INFO_OBJECT(self, "ignoring attempt to change 'sync' to '%d'", g_value_get_boolean(value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void gst_dvbvideosink_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
{
GstDVBVideoSink *self = GST_DVBVIDEOSINK(object);
switch (prop_id)
{
case PROP_SYNC:
g_value_set_boolean(value, gst_base_sink_get_sync(GST_BASE_SINK(object)));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gint64 gst_dvbvideosink_get_decoder_time(GstDVBVideoSink *self)
{
gint64 cur = 0;
if (self->fd < 0 || !self->playing || !self->pts_written) return GST_CLOCK_TIME_NONE;
ioctl(self->fd, VIDEO_GET_PTS, &cur);
if (cur)
{
self->lastpts = cur;
}
else
{
cur = self->lastpts;
}
cur *= 11111;
cur -= self->timestamp_offset;
return cur;
}
static gboolean gst_dvbvideosink_unlock(GstBaseSink *basesink)
{
GstDVBVideoSink *self = GST_DVBVIDEOSINK (basesink);
self->unlocking = TRUE;
/* wakeup the poll */
write(self->unlockfd[1], "\x01", 1);
GST_DEBUG_OBJECT(basesink, "unlock");
return TRUE;
}
static gboolean gst_dvbvideosink_unlock_stop(GstBaseSink *basesink)
{
GstDVBVideoSink *self = GST_DVBVIDEOSINK (basesink);
self->unlocking = FALSE;
GST_DEBUG_OBJECT(basesink, "unlock_stop");
return TRUE;
}
static gboolean gst_dvbvideosink_event(GstBaseSink *sink, GstEvent *event)
{
GstDVBVideoSink *self = GST_DVBVIDEOSINK (sink);
GST_INFO_OBJECT (self, "EVENT %s", gst_event_type_get_name(GST_EVENT_TYPE (event)));
int ret = TRUE;
switch (GST_EVENT_TYPE (event))
{
case GST_EVENT_FLUSH_START:
if(self->flushed && !self->playing && self->using_dts_downmix && !self->paused)
{
self->playing = TRUE;
self->ok_to_write = 1;
}
self->flushed = FALSE;
self->flushing = TRUE;
/* wakeup the poll */
write(self->unlockfd[1], "\x01", 1);
break;
case GST_EVENT_FLUSH_STOP:
if (self->fd >= 0) ioctl(self->fd, VIDEO_CLEAR_BUFFER);
GST_OBJECT_LOCK(self);
self->must_send_header = TRUE;
while (self->queue)
{
queue_pop(&self->queue);
}
self->flushing = FALSE;
GST_OBJECT_UNLOCK(self);
/* flush while media is playing requires a delay before rendering */
if (self->using_dts_downmix && !self->paused)
{
self->ok_to_write = 0;
self->playing = FALSE;
}
self->flushed = TRUE;
break;
case GST_EVENT_EOS:
{
gboolean pass_eos = FALSE;
struct pollfd pfd[2];
pfd[0].fd = self->unlockfd[0];
pfd[0].events = POLLIN;
pfd[1].fd = self->fd;
pfd[1].events = POLLIN;
#ifdef VIDEO_FLUSH
if (self->fd >= 0) ioctl(self->fd, VIDEO_FLUSH, 1/*NONBLOCK*/); //Notify the player that no addionional data will be injected
#endif
GST_BASE_SINK_PREROLL_UNLOCK(sink);
while (1)
{
int retval = poll(pfd, 2, 250);
if (retval < 0)
{
perror("poll in EVENT_EOS");
ret = FALSE;
break;
}
if (pfd[0].revents & POLLIN)
{
GST_DEBUG_OBJECT (self, "wait EOS aborted!!\n");
ret = FALSE;
break;
}
if (pfd[1].revents & POLLIN)
{
GST_DEBUG_OBJECT (self, "got buffer empty from driver!\n");
break;
}
if (sink->flushing)
{
GST_DEBUG_OBJECT (self, "wait EOS flushing!!\n");
ret = FALSE;
break;
}
}
GST_BASE_SINK_PREROLL_LOCK(sink);
break;
}
case GST_EVENT_SEGMENT:
{
const GstSegment *segment;
GstFormat format;
gdouble rate;
guint64 start, end, pos;
gint64 start_dvb;
gst_event_parse_segment(event, &segment);
format = segment->format;
rate = segment->rate;
start = segment->start;
end = segment->stop;
pos = segment->position;
start_dvb = start / 11111LL;
GST_INFO_OBJECT(self, "SEGMENT rate=%f format=%d start=%"G_GUINT64_FORMAT " pos=%"G_GUINT64_FORMAT, rate, format, start, pos);
GST_INFO_OBJECT(self, "SEGMENT DVB TIMESTAMP=%"G_GINT64_FORMAT " HEXFORMAT %#"G_GINT64_MODIFIER "x", start_dvb, start_dvb);
if (format == GST_FORMAT_TIME)
{
self->timestamp_offset = start - pos;
if (rate != self->rate)
{
int skip = 0, repeat = 0;
if (rate > 1.0)
{
skip = (int)rate;
}
else if (rate < 1.0)
{
repeat = 1.0 / rate;
}
ioctl(self->fd, VIDEO_SLOWMOTION, repeat);
ioctl(self->fd, VIDEO_FAST_FORWARD, skip);
ioctl(self->fd, VIDEO_CONTINUE);
self->rate = rate;
}
}
break;
}
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps(event, &caps);
if (caps)
{
GST_DEBUG_OBJECT(self,"CAP %"GST_PTR_FORMAT, caps);
}
else
ret = FALSE;
break;
}
case GST_EVENT_TAG:
{
GstTagList *taglist;
gst_event_parse_tag(event, &taglist);
GST_DEBUG_OBJECT(self,"TAG %"GST_PTR_FORMAT, taglist);
if(self->codec_type == CT_VC1)
{
gchar *cont_val = NULL;
gboolean have_cont_tag = gst_tag_list_get_string (taglist, GST_TAG_CONTAINER_FORMAT, &cont_val);
if(have_cont_tag && cont_val)
{
if(!strncmp(cont_val, "ASF", 3))
{
GST_INFO_OBJECT(self,"SET wmv_asf to TRUE");
self->wmv_asf = TRUE;
}
}
if(have_cont_tag)
g_free(cont_val);
}
break;
}
default:
break;
}
if (ret)
ret = GST_BASE_SINK_CLASS(parent_class)->event(sink, event);
else
gst_event_unref;
return ret;
}
static int video_write(GstBaseSink *sink, GstDVBVideoSink *self, GstBuffer *buffer, size_t start, size_t end)
{
size_t written = start;
size_t len = end;
struct pollfd pfd[2];
guint8 *data;
int retval = 0;
GstMapInfo map;
gst_buffer_map(buffer, &map, GST_MAP_READ);
data = map.data;
pfd[0].fd = self->unlockfd[0];
pfd[0].events = POLLIN;
pfd[1].fd = self->fd;
pfd[1].events = POLLOUT | POLLPRI;
do
{
if (self->flushing)
{
GST_INFO_OBJECT(self, "flushing, skip %d bytes", len - written);
break;
}
else if (self->paused || self->unlocking)
{
GST_OBJECT_LOCK(self);
queue_push(&self->queue, buffer, written, end);
GST_OBJECT_UNLOCK(self);
GST_TRACE_OBJECT(self, "pushed %d bytes to queue", len - written);
break;
}
else
{
GST_TRACE_OBJECT (self, "going into poll, have %d bytes to write", len - written);
}
if (poll(pfd, 2, -1) < 0)
{
if (errno == EINTR) continue;
retval = -1;
break;
}
if (pfd[0].revents & POLLIN)
{
/* read all stop commands */
while (1)
{
gchar command;
int res = read(self->unlockfd[0], &command, 1);
if (res < 0)
{
GST_DEBUG_OBJECT (self, "no more commands");
/* no more commands */
break;
}
}
}
if (pfd[1].revents & POLLPRI)
{
GstStructure *s;
GstMessage *msg;
struct video_event evt;
if (ioctl(self->fd, VIDEO_GET_EVENT, &evt) < 0)
{
g_warning("failed to ioctl VIDEO_GET_EVENT!");
}
else
{
GST_INFO_OBJECT (self, "VIDEO_EVENT %d", evt.type);
if (evt.type == VIDEO_EVENT_SIZE_CHANGED) {
s = gst_structure_new ("eventSizeChanged",
"aspect_ratio", G_TYPE_INT, evt.u.size.aspect_ratio == 0 ? 2 : 3,
"width", G_TYPE_INT, evt.u.size.w,
"height", G_TYPE_INT, evt.u.size.h, NULL);
msg = gst_message_new_element (GST_OBJECT(sink), s);
gst_element_post_message (GST_ELEMENT(sink), msg);
}
else if (evt.type == VIDEO_EVENT_FRAME_RATE_CHANGED)
{
s = gst_structure_new ("eventFrameRateChanged",
"frame_rate", G_TYPE_INT, evt.u.frame_rate, NULL);
msg = gst_message_new_element (GST_OBJECT(sink), s);
gst_element_post_message (GST_ELEMENT(sink), msg);
}
else if (evt.type == 16 /*VIDEO_EVENT_PROGRESSIVE_CHANGED*/)
{
s = gst_structure_new ("eventProgressiveChanged",
"progressive", G_TYPE_INT, evt.u.frame_rate, NULL);
msg = gst_message_new_element (GST_OBJECT(sink), s);
gst_element_post_message (GST_ELEMENT(sink), msg);
}
else
{
g_warning ("unhandled DVBAPI Video Event %d", evt.type);
}
}
}
if (pfd[1].revents & POLLOUT)
{
size_t queuestart, queueend;
GstBuffer *queuebuffer;
GST_OBJECT_LOCK(self);
if (queue_front(&self->queue, &queuebuffer, &queuestart, &queueend) >= 0)
{
guint8 *queuedata;
GstMapInfo queuemap;
gst_buffer_map(queuebuffer, &queuemap, GST_MAP_READ);
queuedata = queuemap.data;
int wr = write(self->fd, queuedata + queuestart, queueend - queuestart);
gst_buffer_unmap(queuebuffer, &queuemap);
if (wr < 0)
{
switch (errno)
{
case EINTR:
case EAGAIN:
break;
default:
GST_OBJECT_UNLOCK(self);
retval = -3;
break;
}
if (retval < 0) break;
}
else if (wr >= queueend - queuestart)
{
queue_pop(&self->queue);
GST_TRACE_OBJECT (self, "written %d queue bytes... pop entry", wr);
}
else
{
self->queue->start += wr;
GST_TRACE_OBJECT (self, "written %d queue bytes... update offset", wr);
}
GST_OBJECT_UNLOCK(self);
continue;
}
GST_OBJECT_UNLOCK(self);
int wr = write(self->fd, data + written, len - written);
if (wr < 0)
{
switch (errno)
{
case EINTR:
case EAGAIN:
continue;
default:
retval = -3;
break;
}
if (retval < 0) break;
}
written += wr;
}
} while (written < len);
gst_buffer_unmap(buffer, &map);
return retval;
}
static GstFlowReturn gst_dvbvideosink_render(GstBaseSink *sink, GstBuffer *buffer)
{
GstDVBVideoSink *self = GST_DVBVIDEOSINK(sink);
guint8 *pes_header;
gsize pes_header_len = 0;
gsize data_len;
guint8 *data, *original_data;
guint8 *codec_data = NULL;
gsize codec_data_size = 0;
gsize payload_len = 0;
GstBuffer *tmpbuf = NULL;
GstFlowReturn ret = GST_FLOW_OK;
if (self->fd < 0)
{
return GST_FLOW_OK;
}
gint i = 0;
/* WAIT 1 seconds after flush needed for enigma2 to be ready*/
while (self->ok_to_write == 0)
{
self->flushed = FALSE;
self->ok_to_write = 1;
self->playing = TRUE;
gst_sleepms(1200);
GST_INFO_OBJECT(self,"RESUME PLAY AFTER FLUSH + 1,2 SECOND");
}
GstMapInfo map, pesheadermap, codecdatamap;
gst_buffer_map(buffer, &map, GST_MAP_READ);
original_data = data = map.data;
data_len = map.size;
gst_buffer_map(self->pesheader_buffer, &pesheadermap, GST_MAP_WRITE);
pes_header = pesheadermap.data;
if (self->codec_data)
{
gst_buffer_map(self->codec_data, &codecdatamap, GST_MAP_READ);
codec_data = codecdatamap.data;
codec_data_size = codecdatamap.size;
}
if (self->codec_type == CT_H264 && !self->h264_initial_audelim_written)
{
int i = 0;
while( data[i] == 0 && i != data_len)
{
//GST_DEBUG_OBJECT(self, "data[%d] = %d", i , data[i]);
i++;
}
if (i > 1 && data[i] == 1)
{
int au_type = data[i+1] & 0x1f;
char au_str[64];
switch(au_type)
{
case 1: strcpy(au_str, "SLICE"); break;
case 5: strcpy(au_str, "IDR"); break;
case 6: strcpy(au_str, "SEI"); break;
case 7: strcpy(au_str, "SPS"); break;
case 8: strcpy(au_str, "PPS"); break;
case 9: strcpy(au_str, "AU_DELIM"); break;
default:
strcpy(au_str, "UNK");
break;
}
GST_DEBUG_OBJECT(self, "AU_TYPE = %s [%d]", au_str, au_type);
if (au_type == 9)
{
if (!GST_BUFFER_PTS_IS_VALID(buffer))
{
GST_DEBUG_OBJECT(self, "writing missing pts to AU_DELIM");
GST_BUFFER_PTS(buffer) = 0;
}
self->h264_initial_audelim_written = TRUE;
}
}
else
GST_TRACE_OBJECT(self, "data[%d] = %d :(", i, data[i]);
}
pes_header[0] = 0;
pes_header[1] = 0;
pes_header[2] = 1;
pes_header[3] = 0xE0;
pes_header[6] = 0x81;
pes_header[7] = 0; /* no pts */
pes_header[8] = 0;
pes_header_len = 9;
if (self->codec_type == CT_VC1 || self->codec_type == CT_VC1_SM)
{
if (!(GST_BUFFER_FLAGS(buffer) & GST_BUFFER_FLAG_DELTA_UNIT))
{
pes_header[6] = 0x80;
}
}
if (GST_BUFFER_PTS_IS_VALID(buffer) || (self->use_dts && GST_BUFFER_DTS_IS_VALID(buffer)))
{
pes_header[7] = 0x80; /* pts */
pes_header[8] = 5; /* pts size */
pes_header_len += 5;
pes_set_pts(GST_BUFFER_PTS_IS_VALID(buffer) ? GST_BUFFER_PTS(buffer) : GST_BUFFER_DTS(buffer), pes_header);
if (self->codec_data)
{
if (self->must_send_header)
{
if (self->codec_type != CT_MPEG1 && self->codec_type != CT_MPEG2 && (self->codec_type != CT_DIVX4 || data[3] == 0x00))
{
if (self->codec_type == CT_DIVX311)
{
video_write(sink, self, self->codec_data, 0, codec_data_size);
}
else
{
memcpy(pes_header + pes_header_len, codec_data, codec_data_size);
pes_header_len += codec_data_size;
}
self->must_send_header = FALSE;
}
}
if (self->codec_type == CT_H264 || self->codec_type == CT_H265)
{
unsigned int pos = 0;
if (self->h264_nal_len_size >= 3)
{
/* we need to write to the buffer */
gst_buffer_unmap(buffer, &map);
if (!gst_buffer_is_writable(buffer))
{
/* buffer is not writable, create a new buffer to which we can write */
buffer = tmpbuf = gst_buffer_copy(buffer);
}
gst_buffer_map(buffer, &map, GST_MAP_READ | GST_MAP_WRITE);
original_data = data = map.data;
data_len = map.size;
while (1)
{
unsigned int pack_len = 0;
int i;
for (i = 0; i < self->h264_nal_len_size; i++, pos++)
{
pack_len <<= 8;
pack_len += data[pos];
/* replace the lenght field with \x00..\x00\x01 */
data[pos] = (i == self->h264_nal_len_size - 1) ? 1 : 0;
}
if ((pos + pack_len) >= data_len) break;
pos += pack_len;
}
}
else
{
/* length field too small to insert \x00\x00\x01, so we need to copy everything into a second buffer */
unsigned char *dest;
unsigned int dest_pos = 0;
/* TODO: predict needed size, based on data_len and h264_nal_len_size, and number of frames */
tmpbuf = gst_buffer_new_and_alloc(H264_BUFFER_SIZE);
GstMapInfo tmpmap;
gst_buffer_map(tmpbuf, &tmpmap, GST_MAP_READ | GST_MAP_WRITE);
dest = tmpmap.data;
while (1)
{
unsigned int pack_len = 0;
int i;
for (i = 0; i < self->h264_nal_len_size; i++, pos++)
{
pack_len <<= 8;
pack_len += data[pos];
}
memcpy(dest + dest_pos, "\x00\x00\x01", 3);
dest_pos += 3;
memcpy(dest + dest_pos, data + pos, pack_len);
dest_pos += pack_len;
if ((pos + pack_len) >= data_len) break;
pos += pack_len;
}
/* switch to the h264 buffer, where we copied the original render buffer contents */
gst_buffer_unmap(buffer, &map);
gst_buffer_unmap(tmpbuf, &tmpmap);
buffer = tmpbuf;
gst_buffer_map(buffer, &map, GST_MAP_READ);
original_data = data = map.data;
data_len = dest_pos;
}
}
else if (self->codec_type == CT_MPEG4_PART2)
{
if (memcmp(data, "\x00\x00\x01", 3))
{
memcpy(pes_header + pes_header_len, "\x00\x00\x01", 3);
pes_header_len += 3;
}
}
else if (self->codec_type == CT_DIVX311)
{
if (memcmp(data, "\x00\x00\x01\xb6", 4))
{
memcpy(pes_header + pes_header_len, "\x00\x00\x01\xb6", 4);
pes_header_len += 4;
}
}
}
}
payload_len = data_len + pes_header_len - 6;
if (self->codec_type == CT_MPEG2 || self->codec_type == CT_MPEG1)
{
if (!self->codec_data && data_len > 3 && !memcmp(data, "\x00\x00\x01\xb3", 4))
{
gboolean ok = TRUE;
unsigned int pos = 4;
unsigned int sheader_data_len = 0;
while (pos < data_len && ok)
{
if (pos >= data_len) break;
pos += 7;
if (pos >=data_len) break;
sheader_data_len = 12;
if (data[pos] & 2)
{ // intra matrix
pos += 64;
if (pos >=data_len) break;
sheader_data_len += 64;
}
if (data[pos] & 1)
{ // non intra matrix
pos += 64;