[meta-freescale] [PATCH v2 2/6] gstreamer1.0: Add NXP specific patches
Otavio Salvador
otavio.salvador at ossystems.com.br
Tue Dec 19 15:59:50 PST 2017
On Tue, Dec 19, 2017 at 9:06 PM, Stefan Agner <stefan at agner.ch> wrote:
> From: Stefan Agner <stefan.agner at toradex.com>
>
> Add NXP specific patches from morty-4.9.51-mx8_beta branch. This
> allows to use imx-gst1.0-plugin 4.3.1 with gstreamer 1.12.2.
>
> Signed-off-by: Stefan Agner <stefan.agner at toradex.com>
> ---
> .../0001-handle-base-parse-error.patch | 35 ++++++++
> ...ith-gst-inspect-Chris-Lord-chris-openedha.patch | 32 ++++++++
> ...e-unset-FLAG_DISCONT-when-push-to-adapter.patch | 33 ++++++++
> ...e-Need-push-adapter-remainning-data-in-pa.patch | 51 ++++++++++++
> ...or-should-proceed-non-active-pad-buffer-e.patch | 51 ++++++++++++
> ...0006-poll-Add-check-if-can-read-event-API.patch | 95 ++++++++++++++++++++++
> ...or-Need-flush-when-set-active-pad-and-the.patch | 68 ++++++++++++++++
> .../gstreamer/gstreamer1.0_1.12.%.bbappend | 16 ++++
> 8 files changed, 381 insertions(+)
> create mode 100644 recipes-multimedia/gstreamer/gstreamer1.0/0001-handle-base-parse-error.patch
> create mode 100644 recipes-multimedia/gstreamer/gstreamer1.0/0002-Fix-crash-with-gst-inspect-Chris-Lord-chris-openedha.patch
> create mode 100644 recipes-multimedia/gstreamer/gstreamer1.0/0003-baseparse-unset-FLAG_DISCONT-when-push-to-adapter.patch
> create mode 100644 recipes-multimedia/gstreamer/gstreamer1.0/0004-gstbaseparse-Need-push-adapter-remainning-data-in-pa.patch
> create mode 100644 recipes-multimedia/gstreamer/gstreamer1.0/0005-inputselector-should-proceed-non-active-pad-buffer-e.patch
> create mode 100644 recipes-multimedia/gstreamer/gstreamer1.0/0006-poll-Add-check-if-can-read-event-API.patch
> create mode 100644 recipes-multimedia/gstreamer/gstreamer1.0/0007-inputselector-Need-flush-when-set-active-pad-and-the.patch
> create mode 100644 recipes-multimedia/gstreamer/gstreamer1.0_1.12.%.bbappend
>
> diff --git a/recipes-multimedia/gstreamer/gstreamer1.0/0001-handle-base-parse-error.patch b/recipes-multimedia/gstreamer/gstreamer1.0/0001-handle-base-parse-error.patch
> new file mode 100644
> index 00000000..3aaa6360
> --- /dev/null
> +++ b/recipes-multimedia/gstreamer/gstreamer1.0/0001-handle-base-parse-error.patch
> @@ -0,0 +1,35 @@
> +From 01b047cbb5e326fb3980bb6fc5206a82ea401170 Mon Sep 17 00:00:00 2001
> +From: Lyon Wang <lyon.wang at freescale.com>
> +Date: Wed, 14 Oct 2015 14:15:11 +0800
> +Subject: [PATCH 1/7] handle base parse error
> +
> +There is no need to send GST_ELEMENT_ERROR
> +becuase ohter tracks may still good to play.
> +no need to end the element, just print error message is enough
> +
> +Upstream-Status: Submitted [https://bugzilla.gnome.org/show_bug.cgi?id=741542]
> +
> +Signed-off-by: Lyon Wang <lyon.wang at freescale.com>
> +---
> + libs/gst/base/gstbaseparse.c | 5 +++--
> + 1 file changed, 3 insertions(+), 2 deletions(-)
> +
> +diff --git a/libs/gst/base/gstbaseparse.c b/libs/gst/base/gstbaseparse.c
> +index df67dd0..2f45d23 100644
> +--- a/libs/gst/base/gstbaseparse.c
> ++++ b/libs/gst/base/gstbaseparse.c
> +@@ -1324,8 +1324,9 @@ gst_base_parse_sink_event_default (GstBaseParse * parse, GstEvent * event)
> + /* If we STILL have zero frames processed, fire an error */
> + if (parse->priv->framecount == 0 && !parse->priv->saw_gaps &&
> + !parse->priv->first_buffer) {
> +- GST_ELEMENT_ERROR (parse, STREAM, WRONG_TYPE,
> +- ("No valid frames found before end of stream"), (NULL));
> ++ /* GST_ELEMENT_ERROR (parse, STREAM, WRONG_TYPE,
> ++ ("No valid frames found before end of stream"), (NULL));*/
> ++ GST_ERROR_OBJECT(parse, "No valid frames decoded before end of stream");
> + }
> +
> + if (!parse->priv->saw_gaps
> +--
> +1.9.1
> +
> diff --git a/recipes-multimedia/gstreamer/gstreamer1.0/0002-Fix-crash-with-gst-inspect-Chris-Lord-chris-openedha.patch b/recipes-multimedia/gstreamer/gstreamer1.0/0002-Fix-crash-with-gst-inspect-Chris-Lord-chris-openedha.patch
> new file mode 100644
> index 00000000..1bd381b6
> --- /dev/null
> +++ b/recipes-multimedia/gstreamer/gstreamer1.0/0002-Fix-crash-with-gst-inspect-Chris-Lord-chris-openedha.patch
> @@ -0,0 +1,32 @@
> +From 1bd9b30040ad23d86faa577baeb1c6734f39150f Mon Sep 17 00:00:00 2001
> +From: Carlos Rafael Giani <dv at pseudoterminal.org>
> +Date: Sat, 6 Apr 2013 23:52:11 +0200
> +Subject: [PATCH 2/7] Fix crash with gst-inspect Chris Lord
> + <chris at openedhand.com>
> +
> +Upstream-Status: Pending
> +
> +Signed-off-by: Carlos Rafael Giani <dv at pseudoterminal.org>
> +
> +Conflicts:
> + tools/gst-inspect.c
> +---
> + tools/gst-inspect.c | 2 +-
> + 1 file changed, 1 insertion(+), 1 deletion(-)
> +
> +diff --git a/tools/gst-inspect.c b/tools/gst-inspect.c
> +index e420e4c..95983bc 100644
> +--- a/tools/gst-inspect.c
> ++++ b/tools/gst-inspect.c
> +@@ -1548,7 +1548,7 @@ main (int argc, char *argv[])
> + g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
> + g_option_context_add_group (ctx, gst_init_get_option_group ());
> + if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
> +- g_printerr ("Error initializing: %s\n", err->message);
> ++ g_printerr ("Error initializing: %s\n", err ? err->message : "(null)");
> + g_clear_error (&err);
> + g_option_context_free (ctx);
> + return -1;
> +--
> +1.9.1
> +
> diff --git a/recipes-multimedia/gstreamer/gstreamer1.0/0003-baseparse-unset-FLAG_DISCONT-when-push-to-adapter.patch b/recipes-multimedia/gstreamer/gstreamer1.0/0003-baseparse-unset-FLAG_DISCONT-when-push-to-adapter.patch
> new file mode 100644
> index 00000000..9758d9c5
> --- /dev/null
> +++ b/recipes-multimedia/gstreamer/gstreamer1.0/0003-baseparse-unset-FLAG_DISCONT-when-push-to-adapter.patch
> @@ -0,0 +1,33 @@
> +From 95d80584413c60cfe302cb2b55f59ffdca2a67b9 Mon Sep 17 00:00:00 2001
> +From: Lyon Wang <lyon.wang at freescale.com>
> +Date: Wed, 4 Nov 2015 18:16:52 +0800
> +Subject: [PATCH 3/7] [baseparse] unset FLAG_DISCONT when push to adapter
> +
> +Since DISCONT flag will be handled by priv->discont flag.
> +There is no need to copy DISCONT flag to adapter.
> +Otherwise, the DISCONT flag will alwasys been set on each frame,
> +for the first chain in buffer.
> +
> +
> +Upstream-Status: Pending [https://bugzilla.gnome.org/show_bug.cgi?id=757575]
> +
> +Signed-off-by: Lyon Wang <lyon.wang at freescale.com>
> +---
> + libs/gst/base/gstbaseparse.c | 1 +
> + 1 file changed, 1 insertion(+)
> +
> +diff --git a/libs/gst/base/gstbaseparse.c b/libs/gst/base/gstbaseparse.c
> +index 2f45d23..3c52887 100644
> +--- a/libs/gst/base/gstbaseparse.c
> ++++ b/libs/gst/base/gstbaseparse.c
> +@@ -3157,6 +3157,7 @@ gst_base_parse_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
> + parse->priv->discont = TRUE;
> + }
> + }
> ++ GST_BUFFER_FLAG_UNSET(buffer, GST_BUFFER_FLAG_DISCONT);
> + gst_adapter_push (parse->priv->adapter, buffer);
> + }
> +
> +--
> +1.9.1
> +
> diff --git a/recipes-multimedia/gstreamer/gstreamer1.0/0004-gstbaseparse-Need-push-adapter-remainning-data-in-pa.patch b/recipes-multimedia/gstreamer/gstreamer1.0/0004-gstbaseparse-Need-push-adapter-remainning-data-in-pa.patch
> new file mode 100644
> index 00000000..303e1082
> --- /dev/null
> +++ b/recipes-multimedia/gstreamer/gstreamer1.0/0004-gstbaseparse-Need-push-adapter-remainning-data-in-pa.patch
> @@ -0,0 +1,51 @@
> +From b7f3a53b5d43c40fc1432c12f2ca314c5dbf403b Mon Sep 17 00:00:00 2001
> +From: Lyon Wang <lyon.wang at nxp.com>
> +Date: Fri, 15 Jan 2016 17:30:14 +0800
> +Subject: [PATCH 4/7] [gstbaseparse] Need push adapter remainning data in pass
> + through mode
> +
> +When switching to pass through mode, there might be remainning
> +data in the adpater, and it will be no chance to push to downstream when
> +in pass through mode.
> +So need check adapter available data and push downstream to avoid missing data
> +
> +package: gstreamer1.0
> +Upstream-Status: Pending [https://bugzilla.gnome.org/show_bug.cgi?id=760513]
> +
> +Signed-off-by: Lyon Wang <lyon.wang at nxp.com>
> +---
> + libs/gst/base/gstbaseparse.c | 15 +++++++++++++++
> + 1 file changed, 15 insertions(+)
> + mode change 100644 => 100755 libs/gst/base/gstbaseparse.c
> +
> +diff --git a/libs/gst/base/gstbaseparse.c b/libs/gst/base/gstbaseparse.c
> +old mode 100644
> +new mode 100755
> +index 3c52887..6d3eacf
> +--- a/libs/gst/base/gstbaseparse.c
> ++++ b/libs/gst/base/gstbaseparse.c
> +@@ -3138,6 +3138,21 @@ gst_base_parse_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
> + && parse->priv->passthrough)) {
> + GstBaseParseFrame frame;
> +
> ++ av = gst_adapter_available (parse->priv->adapter);
> ++ if (av) {
> ++ tmpbuf = gst_adapter_take_buffer (parse->priv->adapter, av);
> ++
> ++ if (parse->priv->upstream_format == GST_FORMAT_TIME) {
> ++ tmpbuf = gst_buffer_make_writable (tmpbuf);
> ++ GST_BUFFER_PTS (tmpbuf) = parse->priv->next_pts;
> ++ GST_BUFFER_DTS (tmpbuf) = parse->priv->next_dts;
> ++ GST_BUFFER_DURATION (tmpbuf) = GST_CLOCK_TIME_NONE;
> ++ }
> ++
> ++ ret = gst_pad_push (parse->srcpad, tmpbuf);
> ++
> ++ }
> ++
> + gst_base_parse_frame_init (&frame);
> + frame.buffer = gst_buffer_make_writable (buffer);
> + ret = gst_base_parse_push_frame (parse, &frame);
> +--
> +1.9.1
> +
> diff --git a/recipes-multimedia/gstreamer/gstreamer1.0/0005-inputselector-should-proceed-non-active-pad-buffer-e.patch b/recipes-multimedia/gstreamer/gstreamer1.0/0005-inputselector-should-proceed-non-active-pad-buffer-e.patch
> new file mode 100644
> index 00000000..f35ca044
> --- /dev/null
> +++ b/recipes-multimedia/gstreamer/gstreamer1.0/0005-inputselector-should-proceed-non-active-pad-buffer-e.patch
> @@ -0,0 +1,51 @@
> +From 7f7398acb5dc5fdc904f6684eab2bb072be25de7 Mon Sep 17 00:00:00 2001
> +From: Song Bing <bing.song at nxp.com>
> +Date: Wed, 11 May 2016 16:57:23 +0800
> +Subject: [PATCH 5/7] inputselector: should proceed non-active pad buffer even
> + if active pad reach eos
> +
> +non-active pad will be blocked if active pad reach eos in inputselector.
> +Which will cause all pipeline be blocked.
> +Inputselector should proceed non-active pad buffer based on clock even
> +if active pad reach eos
> +Change to sync with clock for better user experience.
> +
> +
> +Upstream-Status: Pending [https://bugzilla.gnome.org/show_bug.cgi?id=766261]
> +
> +Signed-off-by: Song Bing bing.song at nxp.com
> +---
> + plugins/elements/gstinputselector.c | 10 ++++++++--
> + 1 file changed, 8 insertions(+), 2 deletions(-)
> +
> +diff --git a/plugins/elements/gstinputselector.c b/plugins/elements/gstinputselector.c
> +index f3f95e6..f6e1993 100644
> +--- a/plugins/elements/gstinputselector.c
> ++++ b/plugins/elements/gstinputselector.c
> +@@ -772,7 +772,7 @@ gst_input_selector_wait_running_time (GstInputSelector * sel,
> + }
> +
> + cur_running_time = GST_CLOCK_TIME_NONE;
> +- if (sel->sync_mode == GST_INPUT_SELECTOR_SYNC_MODE_CLOCK) {
> ++ if (sel->sync_mode == GST_INPUT_SELECTOR_SYNC_MODE_CLOCK || active_selpad->eos) {
> + clock = gst_element_get_clock (GST_ELEMENT_CAST (sel));
> + if (clock) {
> + GstClockTime base_time;
> +@@ -823,7 +823,13 @@ gst_input_selector_wait_running_time (GstInputSelector * sel,
> + "Waiting for active streams to advance. %" GST_TIME_FORMAT " >= %"
> + GST_TIME_FORMAT, GST_TIME_ARGS (running_time),
> + GST_TIME_ARGS (cur_running_time));
> +- GST_INPUT_SELECTOR_WAIT (sel);
> ++ if (active_selpad->eos) {
> ++ GST_INPUT_SELECTOR_UNLOCK (sel);
> ++ g_usleep (5000);
> ++ GST_INPUT_SELECTOR_LOCK (sel);
> ++ } else {
> ++ GST_INPUT_SELECTOR_WAIT (sel);
> ++ }
> + } else {
> + GST_INPUT_SELECTOR_UNLOCK (sel);
> + break;
> +--
> +1.9.1
> +
> diff --git a/recipes-multimedia/gstreamer/gstreamer1.0/0006-poll-Add-check-if-can-read-event-API.patch b/recipes-multimedia/gstreamer/gstreamer1.0/0006-poll-Add-check-if-can-read-event-API.patch
> new file mode 100644
> index 00000000..9a6cf470
> --- /dev/null
> +++ b/recipes-multimedia/gstreamer/gstreamer1.0/0006-poll-Add-check-if-can-read-event-API.patch
> @@ -0,0 +1,95 @@
> +From 6daed66db8a147783acc117b76afa2e779c8c12c Mon Sep 17 00:00:00 2001
> +From: Song Bing <bing.song at nxp.com>
> +Date: Thu, 20 Aug 2015 14:57:46 +0800
> +Subject: [PATCH 6/7] poll: Add check if can read event API
> +
> +Need check if can read event of buffer for video decoder based on
> +V4L2 driver. Add the API for it.
> +
> +
> +Upstream-Status: Pending [https://bugzilla.gnome.org/show_bug.cgi?id=752962]
> +
> +Signed-off-by: Song Bing bing.song at nxp.com
> +---
> + gst/gstpoll.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
> + gst/gstpoll.h | 1 +
> + 2 files changed, 53 insertions(+)
> +
> +diff --git a/gst/gstpoll.c b/gst/gstpoll.c
> +index fd672ed..084f6f7 100644
> +--- a/gst/gstpoll.c
> ++++ b/gst/gstpoll.c
> +@@ -1242,6 +1242,58 @@ gst_poll_fd_can_read (const GstPoll * set, GstPollFD * fd)
> + return res;
> + }
> +
> ++static gboolean
> ++gst_poll_fd_can_read_pri_unlocked (const GstPoll * set, GstPollFD * fd)
> ++{
> ++ gboolean res = FALSE;
> ++ gint idx;
> ++
> ++ idx = find_index (set->active_fds, fd);
> ++ if (idx >= 0) {
> ++#ifndef G_OS_WIN32
> ++ struct pollfd *pfd = &g_array_index (set->active_fds, struct pollfd, idx);
> ++
> ++ res = (pfd->revents & POLLPRI) != 0;
> ++#else
> ++ WinsockFd *wfd = &g_array_index (set->active_fds, WinsockFd, idx);
> ++
> ++ res = (wfd->events.lNetworkEvents & FD_ACCEPT) != 0;
> ++#endif
> ++ } else {
> ++ GST_WARNING ("%p: couldn't find fd !", set);
> ++ }
> ++ GST_DEBUG ("%p: fd (fd:%d, idx:%d) %d", set, fd->fd, fd->idx, res);
> ++
> ++ return res;
> ++}
> ++
> ++/**
> ++ * gst_poll_fd_can_read_pri:
> ++ * @set: a file descriptor set.
> ++ * @fd: a file descriptor.
> ++ *
> ++ * Check if @fd in @set has data to be read.
> ++ *
> ++ * Returns: %TRUE if the descriptor has data to be read.
> ++ */
> ++gboolean
> ++gst_poll_fd_can_read_pri (const GstPoll * set, GstPollFD * fd)
> ++{
> ++ gboolean res = FALSE;
> ++
> ++ g_return_val_if_fail (set != NULL, FALSE);
> ++ g_return_val_if_fail (fd != NULL, FALSE);
> ++ g_return_val_if_fail (fd->fd >= 0, FALSE);
> ++
> ++ g_mutex_lock (&((GstPoll *) set)->lock);
> ++
> ++ res = gst_poll_fd_can_read_pri_unlocked (set, fd);
> ++
> ++ g_mutex_unlock (&((GstPoll *) set)->lock);
> ++
> ++ return res;
> ++}
> ++
> + /**
> + * gst_poll_fd_can_write:
> + * @set: a file descriptor set.
> +diff --git a/gst/gstpoll.h b/gst/gstpoll.h
> +index ef6dcea..0513648 100644
> +--- a/gst/gstpoll.h
> ++++ b/gst/gstpoll.h
> +@@ -79,6 +79,7 @@ void gst_poll_fd_ignored (GstPoll *set, GstPollFD *fd);
> + gboolean gst_poll_fd_has_closed (const GstPoll *set, GstPollFD *fd);
> + gboolean gst_poll_fd_has_error (const GstPoll *set, GstPollFD *fd);
> + gboolean gst_poll_fd_can_read (const GstPoll *set, GstPollFD *fd);
> ++gboolean gst_poll_fd_can_read_pri (const GstPoll *set, GstPollFD *fd);
> + gboolean gst_poll_fd_can_write (const GstPoll *set, GstPollFD *fd);
> +
> + gint gst_poll_wait (GstPoll *set, GstClockTime timeout);
> +--
> +1.9.1
> +
> diff --git a/recipes-multimedia/gstreamer/gstreamer1.0/0007-inputselector-Need-flush-when-set-active-pad-and-the.patch b/recipes-multimedia/gstreamer/gstreamer1.0/0007-inputselector-Need-flush-when-set-active-pad-and-the.patch
> new file mode 100644
> index 00000000..c5d329b6
> --- /dev/null
> +++ b/recipes-multimedia/gstreamer/gstreamer1.0/0007-inputselector-Need-flush-when-set-active-pad-and-the.patch
> @@ -0,0 +1,68 @@
> +From 9860e95c4c6bcec422b6c83a2650ef76dd6a5488 Mon Sep 17 00:00:00 2001
> +From: Song Bing <bing.song at nxp.com>
> +Date: Wed, 10 May 2017 11:24:46 +0800
> +Subject: [PATCH 7/7] inputselector: Need flush when set active pad and then
> + seek in PAUSE state
> +
> +
> +Upstream-Status: Pending [https://bugzilla.gnome.org/show_bug.cgi?id=782417]
> +
> +Signed-off-by: Song Bing bing.song at nxp.com
> +---
> + plugins/elements/gstinputselector.c | 11 ++++++++++-
> + 1 file changed, 10 insertions(+), 1 deletion(-)
> +
> +diff --git a/plugins/elements/gstinputselector.c b/plugins/elements/gstinputselector.c
> +index f6e1993..54400dd 100644
> +--- a/plugins/elements/gstinputselector.c
> ++++ b/plugins/elements/gstinputselector.c
> +@@ -161,6 +161,7 @@ struct _GstSelectorPad
> + guint32 segment_seqnum; /* sequence number of the current segment */
> +
> + gboolean events_pending; /* TRUE if sticky events need to be updated */
> ++ gboolean flush_events_pending;/* unblock old active track */
> +
> + gboolean sending_cached_buffers;
> + GQueue *cached_buffers;
> +@@ -339,6 +340,7 @@ gst_selector_pad_reset (GstSelectorPad * pad)
> + pad->eos = FALSE;
> + pad->eos_sent = FALSE;
> + pad->events_pending = FALSE;
> ++ pad->flush_events_pending = FALSE;
> + pad->discont = FALSE;
> + pad->flushing = FALSE;
> + gst_segment_init (&pad->segment, GST_FORMAT_UNDEFINED);
> +@@ -557,6 +559,8 @@ gst_selector_pad_event (GstPad * pad, GstObject * parent, GstEvent * event)
> + selpad->flushing = TRUE;
> + sel->eos = FALSE;
> + selpad->group_done = FALSE;
> ++ if (selpad->flush_events_pending)
> ++ forward = TRUE;
> + GST_INPUT_SELECTOR_BROADCAST (sel);
> + break;
> + case GST_EVENT_FLUSH_STOP:
> +@@ -1136,6 +1140,7 @@ gst_selector_pad_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
> + buf = gst_buffer_ref (buf);
> + res = gst_pad_push (sel->srcpad, buf);
> + GST_LOG_OBJECT (pad, "Buffer %p forwarded result=%d", buf, res);
> ++ selpad->flush_events_pending = FALSE;
> +
> + GST_INPUT_SELECTOR_LOCK (sel);
> +
> +@@ -1389,8 +1394,12 @@ gst_input_selector_set_active_pad (GstInputSelector * self, GstPad * pad)
> + active_pad_p = &self->active_sinkpad;
> + gst_object_replace ((GstObject **) active_pad_p, GST_OBJECT_CAST (pad));
> +
> +- if (old && old != new)
> ++ if (old && old != new) {
> + gst_pad_push_event (GST_PAD_CAST (old), gst_event_new_reconfigure ());
> ++ /* Old will be blocked on gst_pad_push() when set active pad in PAUSE
> ++ * state. Need flush when set active pad and then seek in PAUSE state */
> ++ old->flush_events_pending = TRUE;
> ++ }
> + if (new)
> + gst_pad_push_event (GST_PAD_CAST (new), gst_event_new_reconfigure ());
> +
> +--
> +1.9.1
> +
> diff --git a/recipes-multimedia/gstreamer/gstreamer1.0_1.12.%.bbappend b/recipes-multimedia/gstreamer/gstreamer1.0_1.12.%.bbappend
> new file mode 100644
> index 00000000..c99d1f20
> --- /dev/null
> +++ b/recipes-multimedia/gstreamer/gstreamer1.0_1.12.%.bbappend
> @@ -0,0 +1,16 @@
> +FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
> +
> +DEPENDS += " elfutils"
Is this depends really required? if so, it also must be conditional.
--
Otavio Salvador O.S. Systems
http://www.ossystems.com.br http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854 Mobile: +1 (347) 903-9750
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