[{"id":3686,"web_url":"https://patchwork.libcamera.org/comment/3686/","msgid":"<20200212002830.GT20823@pendragon.ideasonboard.com>","date":"2020-02-12T00:28:30","subject":"Re: [libcamera-devel] [PATCH v1 20/23] gst: Add getters for Stream\n\tand FrameBuffer","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/people/2/","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"content":"Hi Nicolas,\n\nThank you for the patch.\n\nOn Tue, Jan 28, 2020 at 10:32:07PM -0500, Nicolas Dufresne wrote:\n> From: Nicolas Dufresne <nicolas.dufresne@collabora.com>\n> \n> This add getters on pad/pool/allocator so that we can retrieve the\n\ns/add/adds/\n\n> Stream or FrameBuffer.\n> \n> Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>\n\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n\n> ---\n>  src/gstreamer/gstlibcameraallocator.cpp |  9 +++++++++\n>  src/gstreamer/gstlibcameraallocator.h   |  2 ++\n>  src/gstreamer/gstlibcamerapad.cpp       | 11 +++++++++++\n>  src/gstreamer/gstlibcamerapad.h         |  2 ++\n>  src/gstreamer/gstlibcamerapool.cpp      | 20 ++++++++++++++++++++\n>  src/gstreamer/gstlibcamerapool.h        |  7 +++++++\n>  6 files changed, 51 insertions(+)\n> \n> diff --git a/src/gstreamer/gstlibcameraallocator.cpp b/src/gstreamer/gstlibcameraallocator.cpp\n> index 0f248b4..bdc6de6 100644\n> --- a/src/gstreamer/gstlibcameraallocator.cpp\n> +++ b/src/gstreamer/gstlibcameraallocator.cpp\n> @@ -238,3 +238,12 @@ gst_libcamera_allocator_get_pool_size(GstLibcameraAllocator *self,\n>  \n>  \treturn pool->length;\n>  }\n> +\n> +FrameBuffer *\n> +gst_libcamera_memory_get_frame_buffer(GstMemory *mem)\n> +{\n> +\tgpointer data = gst_mini_object_get_qdata(GST_MINI_OBJECT_CAST(mem),\n> +\t\t\t\t\t\t  gst_libcamera_frame_quark());\n> +\tauto *frame = (FrameWrap *)data;\n> +\treturn frame->buffer_;\n> +}\n> diff --git a/src/gstreamer/gstlibcameraallocator.h b/src/gstreamer/gstlibcameraallocator.h\n> index f2a0f58..b4de65a 100644\n> --- a/src/gstreamer/gstlibcameraallocator.h\n> +++ b/src/gstreamer/gstlibcameraallocator.h\n> @@ -26,4 +26,6 @@ bool gst_libcamera_allocator_prepare_buffer(GstLibcameraAllocator *self,\n>  gsize gst_libcamera_allocator_get_pool_size(GstLibcameraAllocator *allocator,\n>  \t\t\t\t\t    libcamera::Stream *stream);\n>  \n> +libcamera::FrameBuffer *gst_libcamera_memory_get_frame_buffer(GstMemory *mem);\n> +\n>  #endif /* __GST_LIBCAMERA_ALLOCATOR_H__ */\n> diff --git a/src/gstreamer/gstlibcamerapad.cpp b/src/gstreamer/gstlibcamerapad.cpp\n> index b9e6dc5..6401810 100644\n> --- a/src/gstreamer/gstlibcamerapad.cpp\n> +++ b/src/gstreamer/gstlibcamerapad.cpp\n> @@ -125,3 +125,14 @@ gst_libcamera_pad_set_pool(GstPad *pad, GstLibcameraPool *pool)\n>  \t\tg_object_unref(self->pool);\n>  \tself->pool = pool;\n>  }\n> +\n> +Stream *\n> +gst_libcamera_pad_get_stream(GstPad *pad)\n> +{\n> +\tauto *self = GST_LIBCAMERA_PAD(pad);\n> +\n> +\tif (self->pool)\n> +\t\treturn gst_libcamera_pool_get_stream(self->pool);\n> +\n> +\treturn nullptr;\n> +}\n> diff --git a/src/gstreamer/gstlibcamerapad.h b/src/gstreamer/gstlibcamerapad.h\n> index 4570c0c..81d0d58 100644\n> --- a/src/gstreamer/gstlibcamerapad.h\n> +++ b/src/gstreamer/gstlibcamerapad.h\n> @@ -24,4 +24,6 @@ GstLibcameraPool *gst_libcamera_pad_get_pool(GstPad *pad);\n>  \n>  void gst_libcamera_pad_set_pool(GstPad *pad, GstLibcameraPool *pool);\n>  \n> +libcamera::Stream *gst_libcamera_pad_get_stream(GstPad *pad);\n> +\n>  #endif /* __GST_LIBCAMERA_PAD_H__ */\n> diff --git a/src/gstreamer/gstlibcamerapool.cpp b/src/gstreamer/gstlibcamerapool.cpp\n> index f84d1d6..6ab01cb 100644\n> --- a/src/gstreamer/gstlibcamerapool.cpp\n> +++ b/src/gstreamer/gstlibcamerapool.cpp\n> @@ -107,3 +107,23 @@ gst_libcamera_pool_new(GstLibcameraAllocator *allocator, Stream *stream)\n>  \n>  \treturn pool;\n>  }\n> +\n> +Stream *\n> +gst_libcamera_pool_get_stream(GstLibcameraPool *self)\n> +{\n> +\treturn self->stream;\n> +}\n> +\n> +Stream *\n> +gst_libcamera_buffer_get_stream(GstBuffer *buffer)\n> +{\n> +\tauto *self = (GstLibcameraPool *)buffer->pool;\n> +\treturn self->stream;\n> +}\n> +\n> +FrameBuffer *\n> +gst_libcamera_buffer_get_frame_buffer(GstBuffer *buffer)\n> +{\n> +\tGstMemory *mem = gst_buffer_peek_memory(buffer, 0);\n> +\treturn gst_libcamera_memory_get_frame_buffer(mem);\n> +}\n> diff --git a/src/gstreamer/gstlibcamerapool.h b/src/gstreamer/gstlibcamerapool.h\n> index ca6b299..8cc6cdf 100644\n> --- a/src/gstreamer/gstlibcamerapool.h\n> +++ b/src/gstreamer/gstlibcamerapool.h\n> @@ -24,4 +24,11 @@ G_DECLARE_FINAL_TYPE(GstLibcameraPool, gst_libcamera_pool,\n>  GstLibcameraPool *gst_libcamera_pool_new(GstLibcameraAllocator *allocator,\n>  \t\t\t\t\t libcamera::Stream *stream);\n>  \n> +libcamera::Stream *gst_libcamera_pool_get_stream(GstLibcameraPool *self);\n> +\n> +libcamera::Stream *gst_libcamera_buffer_get_stream(GstBuffer *buffer);\n> +\n> +libcamera::FrameBuffer *gst_libcamera_buffer_get_frame_buffer(GstBuffer *buffer);\n> +\n> +\n>  #endif /* __GST_LIBCAMERA_POOL_H__ */","headers":{"Return-Path":"<laurent.pinchart@ideasonboard.com>","Received":["from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id EA37D61020\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 12 Feb 2020 01:28:46 +0100 (CET)","from pendragon.ideasonboard.com (81-175-216-236.bb.dnainternet.fi\n\t[81.175.216.236])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 19FC19DA;\n\tWed, 12 Feb 2020 01:28:45 +0100 (CET)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1581467326;\n\tbh=AA7BauUhbzYh6n+ROQ1/DDpoR+vvq3dOjS8fsPIjsCY=;\n\th=Date:From:To:Cc:Subject:References:In-Reply-To:From;\n\tb=GamOUhoXJCMTlPsxbwiCtExnWGmnUvbQcI1QM6BCmk4ue2lIh0jPCrOEtuYNMk4vn\n\t6FflNaiaBtDvcokrKKTeqYHUBfamecKMm4dP+nSJWA9tPc0+G/q5Gh89hOxGmXxDOb\n\tMGiLr74abKPZG0Vwbr7n1OCpC17Mh452/Of+oCkE=","Date":"Wed, 12 Feb 2020 02:28:30 +0200","From":"Laurent Pinchart <laurent.pinchart@ideasonboard.com>","To":"Nicolas Dufresne <nicolas@ndufresne.ca>","Cc":"libcamera-devel@lists.libcamera.org,\n\tNicolas Dufresne <nicolas.dufresne@collabora.com>","Message-ID":"<20200212002830.GT20823@pendragon.ideasonboard.com>","References":"<20200129033210.278800-1-nicolas@ndufresne.ca>\n\t<20200129033210.278800-21-nicolas@ndufresne.ca>","MIME-Version":"1.0","Content-Type":"text/plain; charset=utf-8","Content-Disposition":"inline","In-Reply-To":"<20200129033210.278800-21-nicolas@ndufresne.ca>","User-Agent":"Mutt/1.10.1 (2018-07-13)","Subject":"Re: [libcamera-devel] [PATCH v1 20/23] gst: Add 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