From patchwork Tue Jun 18 16:45:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Zabel X-Patchwork-Id: 11002245 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BBD0F14BB for ; Tue, 18 Jun 2019 16:45:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AC1F128904 for ; Tue, 18 Jun 2019 16:45:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9B336212D6; Tue, 18 Jun 2019 16:45:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 29CD2212D6 for ; Tue, 18 Jun 2019 16:45:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730067AbfFRQpy (ORCPT ); Tue, 18 Jun 2019 12:45:54 -0400 Received: from metis.ext.pengutronix.de ([85.220.165.71]:49633 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730020AbfFRQpp (ORCPT ); Tue, 18 Jun 2019 12:45:45 -0400 Received: from dude02.hi.pengutronix.de ([2001:67c:670:100:1d::28] helo=dude02.pengutronix.de.) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1hdHEu-0003WX-4Y; Tue, 18 Jun 2019 18:45:44 +0200 From: Philipp Zabel To: linux-media@vger.kernel.org Cc: Mauro Carvalho Chehab , Hans Verkuil , kernel@pengutronix.de Subject: [PATCH 24/28] media: coda: mark last pending buffer or last meta on decoder stop command Date: Tue, 18 Jun 2019 18:45:31 +0200 Message-Id: <20190618164535.20162-25-p.zabel@pengutronix.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190618164535.20162-1-p.zabel@pengutronix.de> References: <20190618164535.20162-1-p.zabel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::28 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-media@vger.kernel.org Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP If there is still a buffer pending, mark it as the last buffer. It will create a meta that is flagged as last when the buffer is copied into the bitstream ring buffer. If there are no more buffers pending, find the last bitstream meta and mark it as last. If there is no bitstream meta either, wake up the capture queue as there will be no more decoded frames. Signed-off-by: Philipp Zabel --- drivers/media/platform/coda/coda-bit.c | 4 +++ drivers/media/platform/coda/coda-common.c | 44 +++++++++++++++++++---- drivers/media/platform/coda/coda.h | 1 + 3 files changed, 42 insertions(+), 7 deletions(-) diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c index 44085e3d43d5..1157454e3bc8 100644 --- a/drivers/media/platform/coda/coda-bit.c +++ b/drivers/media/platform/coda/coda-bit.c @@ -402,6 +402,9 @@ void coda_fill_bitstream(struct coda_ctx *ctx, struct list_head *buffer_list) meta->timestamp = src_buf->vb2_buf.timestamp; meta->start = start; meta->end = ctx->bitstream_fifo.kfifo.in; + meta->last = src_buf->flags & V4L2_BUF_FLAG_LAST; + if (meta->last) + coda_dbg(1, ctx, "marking last meta"); spin_lock(&ctx->buffer_meta_lock); list_add_tail(&meta->list, &ctx->buffer_meta_list); @@ -2334,6 +2337,7 @@ static void coda_finish_decode(struct coda_ctx *ctx) memset(&decoded_frame->meta, 0, sizeof(struct coda_buffer_meta)); decoded_frame->meta.sequence = val; + decoded_frame->meta.last = false; ctx->sequence_offset++; } diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c index 829d1e565911..cd33c260409e 100644 --- a/drivers/media/platform/coda/coda-common.c +++ b/drivers/media/platform/coda/coda-common.c @@ -1077,6 +1077,8 @@ static int coda_decoder_cmd(struct file *file, void *fh, struct coda_dev *dev = ctx->dev; struct vb2_v4l2_buffer *buf; struct vb2_queue *dst_vq; + bool stream_end; + bool wakeup; int ret; ret = coda_try_decoder_cmd(file, fh, dc); @@ -1097,23 +1099,51 @@ static int coda_decoder_cmd(struct file *file, void *fh, mutex_unlock(&ctx->bitstream_mutex); break; case V4L2_DEC_CMD_STOP: + stream_end = false; + wakeup = false; + buf = v4l2_m2m_last_src_buf(ctx->fh.m2m_ctx); - if (buf) + if (buf) { + coda_dbg(1, ctx, "marking last pending buffer\n"); + /* Mark last buffer */ buf->flags |= V4L2_BUF_FLAG_LAST; - if (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) == 0) { + if (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) == 0) { + coda_dbg(1, ctx, "all remaining buffers queued\n"); + stream_end = true; + } + } else { + coda_dbg(1, ctx, "marking last meta\n"); + + /* Mark last meta */ + spin_lock(&ctx->buffer_meta_lock); + if (!list_empty(&ctx->buffer_meta_list)) { + struct coda_buffer_meta *meta; + + meta = list_last_entry(&ctx->buffer_meta_list, + struct coda_buffer_meta, + list); + meta->last = true; + stream_end = true; + } else { + wakeup = true; + } + spin_unlock(&ctx->buffer_meta_lock); + } + + if (stream_end) { + coda_dbg(1, ctx, "all remaining buffers queued\n"); + /* Set the stream-end flag on this context */ coda_bit_stream_end_flag(ctx); ctx->hold = false; v4l2_m2m_try_schedule(ctx->fh.m2m_ctx); + } - flush_work(&ctx->pic_run_work); - + if (wakeup) { /* If there is no buffer in flight, wake up */ - if (!ctx->streamon_out || - ctx->qsequence == ctx->osequence) - coda_wake_up_capture_queue(ctx); + coda_wake_up_capture_queue(ctx); } break; diff --git a/drivers/media/platform/coda/coda.h b/drivers/media/platform/coda/coda.h index 97845e58fb8b..5c183c1944fe 100644 --- a/drivers/media/platform/coda/coda.h +++ b/drivers/media/platform/coda/coda.h @@ -146,6 +146,7 @@ struct coda_buffer_meta { u64 timestamp; unsigned int start; unsigned int end; + bool last; }; /* Per-queue, driver-specific private data */