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Fri, 16 Oct 2015 02:27:52 -0400 Received: from epcpsbgr2.samsung.com (u142.gpu120.samsung.co.kr [203.254.230.142]) by mailout3.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0NWA0204NVAALWD0@mailout3.samsung.com> for linux-media@vger.kernel.org; Fri, 16 Oct 2015 15:27:46 +0900 (KST) Received: from epcpsbgm2new.samsung.com ( [172.20.52.113]) by epcpsbgr2.samsung.com (EPCPMTA) with SMTP id F9.18.05272.2E890265; Fri, 16 Oct 2015 15:27:46 +0900 (KST) X-AuditID: cbfee68e-f791c6d000001498-4c-562098e2cb5c Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2new.samsung.com (EPCPMTA) with SMTP id 9E.26.18629.1E890265; Fri, 16 Oct 2015 15:27:46 +0900 (KST) Received: from localhost.localdomain ([10.252.83.96]) by mmp1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0NWA001RRVA8KE70@mmp1.samsung.com>; Fri, 16 Oct 2015 15:27:45 +0900 (KST) From: Junghak Sung To: linux-media@vger.kernel.org, mchehab@osg.samsung.com, hverkuil@xs4all.nl, laurent.pinchart@ideasonboard.com, sakari.ailus@iki.fi, pawel@osciak.com Cc: inki.dae@samsung.com, sw0312.kim@samsung.com, nenggun.kim@samsung.com, sangbae90.lee@samsung.com, rany.kwon@samsung.com, Junghak Sung Subject: [RFC PATCH v7 6/7] media: videobuf2: Refactor vb2_fileio_data and vb2_thread Date: Fri, 16 Oct 2015 15:27:42 +0900 Message-id: <1444976863-3657-7-git-send-email-jh1009.sung@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1444976863-3657-1-git-send-email-jh1009.sung@samsung.com> References: <1444976863-3657-1-git-send-email-jh1009.sung@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrDLMWRmVeSWpSXmKPExsWyRsSkUPfRDIUwg5W/uC1OTX7GZDHp/gQW i+3HX7FbdE5cwm7Rs2Erq8XqZxUWB/p2MVlMefuT3eLftKfMFmf2r2SzOP7pIIvFjMkv2Rx4 PGZ3zGT1OPx1IYvH418v2Ty29N9l9+jbsorR4/MmOY9TXz+zB7BHcdmkpOZklqUW6dslcGVs 33+bpWCbXcXsNY+YGxhPG3YxcnJICJhI9Oy6zAJhi0lcuLeerYuRi0NIYAWjxI3mC+wwRTcO tLOB2EICSxkldh7RhCj6zijx6/tUoAQHB5uAjsTkzYYgcRGBGYwSvcdXMYE4zALLGSVOvz4F NklYIFyif84iVhCbRUBV4kbDfrA4r4CbxNWtS8AGSQgoSMyZZAMS5hRwl1h9ciszSFgIqOTo qVqQkRICl9glLnxewAgxRkDi2+RDLBCtshKbDjBD3CwpcXDFDZYJjMILGBlWMYqmFiQXFCel FxnpFSfmFpfmpesl5+duYgRGyul/z/p2MN48YH2IUYCDUYmHl8FOIUyINbGsuDL3EKMp0IaJ zFKiyfnAeMwriTc0NjOyMDUxNTYytzRTEudNkPoZLCSQnliSmp2aWpBaFF9UmpNafIiRiYNT qoEx7mTmtL5HkRZxwZefuE+v/q35I5NZdPE8p1Or17xZM99aqOFDNk/7/D/nHLUabx84c3K3 j6jT2hOqX8IKN6yY63V+a1B1xmq5B0xLQ+z9Dmx99lIqVpXvgf+J3B8zVjvNEc74/EVurpoG Y9N7o6wpOmX6GaE2R1ojebX4fU/K8BrLnqpOuZurxFKckWioxVxUnAgAFnccZo8CAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrJIsWRmVeSWpSXmKPExsVy+t9jAd1HMxTCDFq2sVqcmvyMyWLS/Qks FtuPv2K36Jy4hN2iZ8NWVovVzyosDvTtYrKY8vYnu8W/aU+ZLc7sX8lmcfzTQRaLGZNfsjnw eMzumMnqcfjrQhaPx79esnls6b/L7tG3ZRWjx+dNch6nvn5mD2CPamC0yUhNTEktUkjNS85P ycxLt1XyDo53jjc1MzDUNbS0MFdSyEvMTbVVcvEJ0HXLzAG6VEmhLDGnFCgUkFhcrKRvh2lC aIibrgVMY4Sub0gQXI+RARpIWMOYsX3/bZaCbXYVs9c8Ym5gPG3YxcjJISFgInHjQDsbhC0m ceHeejBbSGApo8TOI5pdjFxA9ndGiV/fpwIlODjYBHQkJm82BImLCMxglOg9vooJxGEWWM4o cfr1KXaQbmGBcIn+OYtYQWwWAVWJGw37weK8Am4SV7cuARskIaAgMWeSDUiYU8BdYvXJrcwg YSGgkqOnaicw8i5gZFjFKJFakFxQnJSea5SXWq5XnJhbXJqXrpecn7uJERyNz6R3MB7e5X6I UYCDUYmHl9FOIUyINbGsuDL3EKMEB7OSCG9XDFCINyWxsiq1KD++qDQntfgQoynQWROZpUST 84GJIq8k3tDYxMzI0sjc0MLI2FxJnPfGIYYwIYH0xJLU7NTUgtQimD4mDk6pBkZzJdm/nw/P 5+qTy5z9o6e3f3njwSO+etGv+b52li8L95t6seDoooAYoanWAi0bTzx89zP4SvQUrkh/r4kx u4JaPySplhqeFNuY/ME3az1r/l4DZqusJ0EPp1RarXrz5VPLH1/2Y67qr+Yr/rwdtUcwf/aR 188jvrl9zEwzeZ9TYDDl/6m3i78qsRRnJBpqMRcVJwIArTnxVtwCAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Replace v4l2-stuffs with common things in struct vb2_fileio_data and vb2_thread(). Signed-off-by: Junghak Sung Signed-off-by: Geunyoung Kim Acked-by: Seung-Woo Kim Acked-by: Inki Dae --- drivers/media/v4l2-core/videobuf2-v4l2.c | 113 +++++++++++++++--------------- 1 file changed, 58 insertions(+), 55 deletions(-) diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c index dabcb6d..ea5ab37 100644 --- a/drivers/media/v4l2-core/videobuf2-v4l2.c +++ b/drivers/media/v4l2-core/videobuf2-v4l2.c @@ -882,6 +882,15 @@ unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait) } EXPORT_SYMBOL_GPL(vb2_poll); +static void vb2_get_timestamp(struct timeval *tv) +{ + struct timespec ts; + + ktime_get_ts(&ts); + tv->tv_sec = ts.tv_sec; + tv->tv_usec = ts.tv_nsec / NSEC_PER_USEC; +} + /** * struct vb2_fileio_buf - buffer context used by file io emulator * @@ -921,9 +930,10 @@ struct vb2_fileio_buf { * or write function. */ struct vb2_fileio_data { - struct v4l2_requestbuffers req; - struct v4l2_plane p; - struct v4l2_buffer b; + unsigned int count; + unsigned int type; + unsigned int memory; + struct vb2_buffer *b; struct vb2_fileio_buf bufs[VB2_MAX_FRAME]; unsigned int cur_index; unsigned int initial_index; @@ -976,6 +986,10 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read) if (fileio == NULL) return -ENOMEM; + fileio->b = kzalloc(q->buf_struct_size, GFP_KERNEL); + if (fileio->b == NULL) + return -ENOMEM; + fileio->read_once = q->fileio_read_once; fileio->write_immediately = q->fileio_write_immediately; @@ -983,11 +997,11 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read) * Request buffers and use MMAP type to force driver * to allocate buffers by itself. */ - fileio->req.count = count; - fileio->req.memory = VB2_MEMORY_MMAP; - fileio->req.type = q->type; + fileio->count = count; + fileio->memory = VB2_MEMORY_MMAP; + fileio->type = q->type; q->fileio = fileio; - ret = vb2_core_reqbufs(q, fileio->req.memory, &fileio->req.count); + ret = vb2_core_reqbufs(q, fileio->memory, &fileio->count); if (ret) goto err_kfree; @@ -1016,24 +1030,17 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read) * Read mode requires pre queuing of all buffers. */ if (read) { - bool is_multiplanar = q->is_multiplanar; - /* * Queue all buffers. */ for (i = 0; i < q->num_buffers; i++) { - struct v4l2_buffer *b = &fileio->b; + struct vb2_buffer *b = fileio->b; - memset(b, 0, sizeof(*b)); + memset(b, 0, q->buf_struct_size); b->type = q->type; - if (is_multiplanar) { - memset(&fileio->p, 0, sizeof(fileio->p)); - b->m.planes = &fileio->p; - b->length = 1; - } b->memory = q->memory; b->index = i; - ret = vb2_internal_qbuf(q, b); + ret = vb2_core_qbuf(q, i, b); if (ret) goto err_reqbufs; fileio->bufs[i].queued = 1; @@ -1056,8 +1063,8 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read) return ret; err_reqbufs: - fileio->req.count = 0; - vb2_core_reqbufs(q, fileio->req.memory, &fileio->req.count); + fileio->count = 0; + vb2_core_reqbufs(q, fileio->memory, &fileio->count); err_kfree: q->fileio = NULL; @@ -1076,8 +1083,9 @@ static int __vb2_cleanup_fileio(struct vb2_queue *q) if (fileio) { vb2_core_streamoff(q, q->type); q->fileio = NULL; - fileio->req.count = 0; - vb2_reqbufs(q, &fileio->req); + fileio->count = 0; + vb2_core_reqbufs(q, fileio->memory, &fileio->count); + kfree(fileio->b); kfree(fileio); dprintk(3, "file io emulator closed\n"); } @@ -1130,24 +1138,21 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_ */ index = fileio->cur_index; if (index >= q->num_buffers) { + struct vb2_buffer *b = fileio->b; + /* * Call vb2_dqbuf to get buffer back. */ - memset(&fileio->b, 0, sizeof(fileio->b)); - fileio->b.type = q->type; - fileio->b.memory = q->memory; - if (is_multiplanar) { - memset(&fileio->p, 0, sizeof(fileio->p)); - fileio->b.m.planes = &fileio->p; - fileio->b.length = 1; - } - ret = vb2_internal_dqbuf(q, &fileio->b, nonblock); + memset(b, 0, q->buf_struct_size); + b->type = q->type; + b->memory = q->memory; + ret = vb2_core_dqbuf(q, b, nonblock); dprintk(5, "vb2_dqbuf result: %d\n", ret); if (ret) return ret; fileio->dq_count += 1; - fileio->cur_index = index = fileio->b.index; + fileio->cur_index = index = b->index; buf = &fileio->bufs[index]; /* @@ -1159,8 +1164,8 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_ : vb2_plane_size(q->bufs[index], 0); /* Compensate for data_offset on read in the multiplanar case. */ if (is_multiplanar && read && - fileio->b.m.planes[0].data_offset < buf->size) { - buf->pos = fileio->b.m.planes[0].data_offset; + b->planes[0].data_offset < buf->size) { + buf->pos = b->planes[0].data_offset; buf->size -= buf->pos; } } else { @@ -1199,6 +1204,8 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_ * Queue next buffer if required. */ if (buf->pos == buf->size || (!read && fileio->write_immediately)) { + struct vb2_buffer *b = fileio->b; + /* * Check if this is the last buffer to read. */ @@ -1210,20 +1217,15 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_ /* * Call vb2_qbuf and give buffer to the driver. */ - memset(&fileio->b, 0, sizeof(fileio->b)); - fileio->b.type = q->type; - fileio->b.memory = q->memory; - fileio->b.index = index; - fileio->b.bytesused = buf->pos; - if (is_multiplanar) { - memset(&fileio->p, 0, sizeof(fileio->p)); - fileio->p.bytesused = buf->pos; - fileio->b.m.planes = &fileio->p; - fileio->b.length = 1; - } + memset(b, 0, q->buf_struct_size); + b->type = q->type; + b->memory = q->memory; + b->index = index; + b->planes[0].bytesused = buf->pos; + if (set_timestamp) - v4l2_get_timestamp(&fileio->b.timestamp); - ret = vb2_internal_qbuf(q, &fileio->b); + vb2_get_timestamp(&b->timestamp); + ret = vb2_core_qbuf(q, index, b); dprintk(5, "vb2_dbuf result: %d\n", ret); if (ret) return ret; @@ -1300,20 +1302,21 @@ static int vb2_thread(void *data) for (;;) { struct vb2_buffer *vb; + struct vb2_buffer *b = fileio->b; /* * Call vb2_dqbuf to get buffer back. */ - memset(&fileio->b, 0, sizeof(fileio->b)); - fileio->b.type = q->type; - fileio->b.memory = q->memory; + memset(b, 0, q->buf_struct_size); + b->type = q->type; + b->memory = q->memory; if (prequeue) { - fileio->b.index = index++; + b->index = index++; prequeue--; } else { call_void_qop(q, wait_finish, q); if (!threadio->stop) - ret = vb2_internal_dqbuf(q, &fileio->b, 0); + ret = vb2_core_dqbuf(q, b, 0); call_void_qop(q, wait_prepare, q); dprintk(5, "file io: vb2_dqbuf result: %d\n", ret); } @@ -1321,15 +1324,15 @@ static int vb2_thread(void *data) break; try_to_freeze(); - vb = q->bufs[fileio->b.index]; - if (!(fileio->b.flags & V4L2_BUF_FLAG_ERROR)) + vb = q->bufs[b->index]; + if (b->state == VB2_BUF_STATE_DONE) if (threadio->fnc(vb, threadio->priv)) break; call_void_qop(q, wait_finish, q); if (set_timestamp) - v4l2_get_timestamp(&fileio->b.timestamp); + vb2_get_timestamp(&b->timestamp); if (!threadio->stop) - ret = vb2_internal_qbuf(q, &fileio->b); + ret = vb2_core_qbuf(q, b->index, b); call_void_qop(q, wait_prepare, q); if (ret || threadio->stop) break;