From patchwork Sun Feb 24 08:41:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dafna Hirschfeld X-Patchwork-Id: 10827765 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 966366C2 for ; Sun, 24 Feb 2019 08:41:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 861242B817 for ; Sun, 24 Feb 2019 08:41:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7A6C62B824; Sun, 24 Feb 2019 08:41:57 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,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 B214A2B817 for ; Sun, 24 Feb 2019 08:41:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728149AbfBXIl4 (ORCPT ); Sun, 24 Feb 2019 03:41:56 -0500 Received: from mail-wr1-f67.google.com ([209.85.221.67]:44047 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726459AbfBXIlz (ORCPT ); Sun, 24 Feb 2019 03:41:55 -0500 Received: by mail-wr1-f67.google.com with SMTP id w2so6612555wrt.11 for ; Sun, 24 Feb 2019 00:41:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Ga5/g3343M9bUseYVhoKeXA13d/ynfyPrcFECoXQMd0=; b=V3GVFFh5pcgKwV1XdokPId9rmkGbTpSY03+NcGGeWeIBz3/eseytIqKIs47HoF7t2I OUkjA4bEbyqsHZbDCicDDib4n/TR/WfByOmd4PPYKTM1Xdr4oHllMRb/MNORFKoANyTt 5MRkwWdgW0Q0aIBEitG+zh/z3WwbUskeEYMTRWuElwSChvBG3Bn91mMeowSlJFMscpMx M0OVhI97HZxuTySPCsafubXRtP33PEtO9llgHi3RaHwtqxjWHC3Ga7LbUewX0gnpQJAg ZR39/DXUKX4n4kK1VSrPodm3DqXKWSsOJ061ifJOic+PhSnGf+J2+k6daDpzAK+kISga MJPQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Ga5/g3343M9bUseYVhoKeXA13d/ynfyPrcFECoXQMd0=; b=eUgJw8P7yi7Kjq1ov8HZZAgIglQr5W8GqDySII4lo1TnflvQvaekmMidFyreRP2IE7 mrpnMTjVSguhNWkkaHm6SMIyfvhQlMcfKGg3ZhAmD5VvP1RigRjJAfv4u1cW/wwRwhaf zpkBropKiy1fFivWVq2WZU+fJ4j444sGl6Npd8VzzJBv3WGlcbhNQz1oD9kvHhZaJh/x C7w+9ORSNBGEH82NLzmQh3sAu6CAduQHgQ1KsKD1eEByU5g+dzxQOc+lVAl8NDVcUtAV jF2ka9p4NayRmHKK/SC+SNA24XTmP5FJtNEm2fl0bch7ZWZsNvVejdKf8HqgEo1kqYNl RguA== X-Gm-Message-State: AHQUAuaQKBpeVo7SvMnMS9DkJUQqgSm7Xfa3clBAkPHxLQtg3JsunLLv 2EQ0DM+7RrVghk7jjPA2SLlPoMe+9aQ= X-Google-Smtp-Source: AHgI3IYTzP6fasaVN9hKi1i1ZopWLZZvrC7ldItj/9jmjFr/40X2LOJ4L3GbgFwmeWumbG00PkuHKg== X-Received: by 2002:a5d:5111:: with SMTP id s17mr8516065wrt.183.1550997713598; Sun, 24 Feb 2019 00:41:53 -0800 (PST) Received: from ubuntu.home ([77.127.107.32]) by smtp.gmail.com with ESMTPSA id x24sm6837465wmi.5.2019.02.24.00.41.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 24 Feb 2019 00:41:53 -0800 (PST) From: Dafna Hirschfeld To: linux-media@vger.kernel.org Cc: hverkuil@xs4all.nl, helen.koike@collabora.com, Dafna Hirschfeld Subject: [v4l-utils PATCH v3 8/8] v4l2-ctl: Add implementation for the stateless fwht decoder. Date: Sun, 24 Feb 2019 00:41:26 -0800 Message-Id: <20190224084126.19412-9-dafna3@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190224084126.19412-1-dafna3@gmail.com> References: <20190224084126.19412-1-dafna3@gmail.com> 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 Add code to support the stateless decoder and the function 'stateless_m2m' that implements it. Signed-off-by: Dafna Hirschfeld --- utils/v4l2-ctl/v4l2-ctl-streaming.cpp | 236 +++++++++++++++++++++++++- 1 file changed, 233 insertions(+), 3 deletions(-) diff --git a/utils/v4l2-ctl/v4l2-ctl-streaming.cpp b/utils/v4l2-ctl/v4l2-ctl-streaming.cpp index 82a93d4b..db6734e9 100644 --- a/utils/v4l2-ctl/v4l2-ctl-streaming.cpp +++ b/utils/v4l2-ctl/v4l2-ctl-streaming.cpp @@ -1063,8 +1063,9 @@ restart: return false; } } - - if (support_out_crop && v4l2_fwht_find_pixfmt(fmt.g_pixelformat())) + if (q.g_capabilities() & V4L2_BUF_CAP_SUPPORTS_REQUESTS) + read_fwht_frame(fmt, (unsigned char *)buf, fin, sz, len); + else if (support_out_crop && v4l2_fwht_find_pixfmt(fmt.g_pixelformat())) read_write_padded_frame(fmt, (unsigned char *)buf, fin, sz, len, true); else sz = fread(buf, 1, len, fin); @@ -1091,6 +1092,21 @@ restart: return true; } +static bool split_fwht_frame(u8 *frame, struct fwht_cframe_hdr *hdr, unsigned max_len) +{ + unsigned int len; + bool ret = true; + + memcpy(hdr, frame, sizeof(struct fwht_cframe_hdr)); + len = ntohl(hdr->size); + if (len > max_len) { + len = max_len; + ret = false; + } + memmove(frame, frame + sizeof(struct fwht_cframe_hdr), len); + return ret; +} + static int do_setup_out_buffers(cv4l_fd &fd, cv4l_queue &q, FILE *fin, bool qbuf) { tpg_pixel_aspect aspect = TPG_PIXEL_ASPECT_SQUARE; @@ -1195,6 +1211,35 @@ static int do_setup_out_buffers(cv4l_fd &fd, cv4l_queue &q, FILE *fin, bool qbuf if (fin && !fill_buffer_from_file(fd, q, buf, fmt, fin)) return -2; + struct fwht_cframe_hdr hdr; + + if (q.g_capabilities() & V4L2_BUF_CAP_SUPPORTS_REQUESTS) { + int media_fd = mi_get_media_fd(fd.g_fd()); + + if (!split_fwht_frame((u8 *)q.g_dataptr(buf.g_index(), 0), + &hdr, buf.g_length(0))) + fprintf(stderr, "%s: warning: size field in fwht header is larger than buf size\n", + __func__); + + if (media_fd < 0) { + fprintf(stderr, "%s: mi_get_media_fd failed\n", __func__); + return media_fd; + } + + if (q.alloc_req(media_fd, i)) { + fprintf(stderr, "%s: q.alloc_req failed\n", __func__); + return -1; + } + buf.s_request_fd(q.g_req_fd(i)); + buf.or_flags(V4L2_BUF_FLAG_REQUEST_FD); + + if (set_fwht_ext_ctrl(fd, &hdr, last_fwht_bf_ts, + buf.g_request_fd())) { + fprintf(stderr, "%s: set_fwht_ext_ctrls failed on %dth buf: %s\n", + __func__, i, strerror(errno)); + return -1; + } + } if (qbuf) { set_time_stamp(buf); if (fd.qbuf(buf)) @@ -1204,6 +1249,16 @@ static int do_setup_out_buffers(cv4l_fd &fd, cv4l_queue &q, FILE *fin, bool qbuf fprintf(stderr, ">"); fflush(stderr); } + if (q.g_capabilities() & V4L2_BUF_CAP_SUPPORTS_REQUESTS) { + set_fwht_req_by_idx(i, &hdr, q.g_req_fd(i), + last_fwht_bf_ts, get_ns_timestamp(buf)); + last_fwht_bf_ts = get_ns_timestamp(buf); + if (ioctl(q.g_req_fd(i), MEDIA_REQUEST_IOC_QUEUE) < 0) { + fprintf(stderr, "Unable to queue media request: %s\n", + strerror(errno)); + return -1; + } + } } if (qbuf) output_field = field; @@ -1442,12 +1497,48 @@ static int do_handle_out(cv4l_fd &fd, cv4l_queue &q, FILE *fin, cv4l_buffer *cap (u8 *)q.g_dataptr(buf.g_index(), j)); } + struct fwht_cframe_hdr hdr; + + if (q.g_capabilities() & V4L2_BUF_CAP_SUPPORTS_REQUESTS) { + if (ioctl(buf.g_request_fd(), MEDIA_REQUEST_IOC_REINIT, NULL)) { + fprintf(stderr, "Unable to reinit media request: %s\n", + strerror(errno)); + return -1; + } + if (!split_fwht_frame((u8 *)q.g_dataptr(buf.g_index(), 0), &hdr, buf.g_length(0))) + fprintf(stderr, "%s: warning: size field in fwht header is larger than buf size\n", + __func__); + + if (set_fwht_ext_ctrl(fd, &hdr, last_fwht_bf_ts, + buf.g_request_fd())) { + fprintf(stderr, "%s: set_fwht_ext_ctrls failed: %s\n", + __func__, strerror(errno)); + return -1; + } + } + set_time_stamp(buf); if (fd.qbuf(buf)) { fprintf(stderr, "%s: failed: %s\n", "VIDIOC_QBUF", strerror(errno)); return -1; } + if (q.g_capabilities() & V4L2_BUF_CAP_SUPPORTS_REQUESTS) { + if (!set_fwht_req_by_fd(&hdr, buf.g_request_fd(), last_fwht_bf_ts, + get_ns_timestamp(buf))) { + fprintf(stderr, "%s: request for fd %d does not exist\n", + __func__, buf.g_request_fd()); + return -1; + } + + last_fwht_bf_ts = get_ns_timestamp(buf); + if (ioctl(buf.g_request_fd(), MEDIA_REQUEST_IOC_QUEUE) < 0) { + fprintf(stderr, "Unable to queue media request: %s\n", + strerror(errno)); + return -1; + } + } + tpg_update_mv_count(&tpg, V4L2_FIELD_HAS_T_OR_B(output_field)); if (!verbose) @@ -2236,6 +2327,140 @@ static void stateful_m2m(cv4l_fd &fd, cv4l_queue &in, cv4l_queue &out, tpg_free(&tpg); } +static void stateless_m2m(cv4l_fd &fd, cv4l_queue &in, cv4l_queue &out, + FILE *fin, FILE *fout, cv4l_fd *exp_fd_p) +{ + fps_timestamps fps_ts[2]; + unsigned count[2] = { 0, 0 }; + cv4l_fmt fmt[2]; + int fd_flags = fcntl(fd.g_fd(), F_GETFL); + + fd.g_fmt(fmt[OUT], out.g_type()); + fd.g_fmt(fmt[CAP], in.g_type()); + + if (out.reqbufs(&fd, reqbufs_count_out)) { + fprintf(stderr, "%s: out.reqbufs failed\n", __func__); + return; + } + + if (in.reqbufs(&fd, reqbufs_count_cap)) { + fprintf(stderr, "%s: in.reqbufs failed\n", __func__); + return; + } + + if (exp_fd_p && in.export_bufs(exp_fd_p, exp_fd_p->g_type())) + return; + + if (in.obtain_bufs(&fd)) { + fprintf(stderr, "%s: in.obtain_bufs error\n", __func__); + return; + } + + if (do_setup_out_buffers(fd, out, fout, true) == -1) { + fprintf(stderr, "%s: do_setup_out_buffers failed\n", __func__); + return; + } + + if (in.queue_all(&fd)) { + fprintf(stderr, "%s: in.queue_all failed\n", __func__); + return; + } + + if (fd.streamon(out.g_type())) { + fprintf(stderr, "%s: streamon for out failed\n", __func__); + return; + } + + if (fd.streamon(in.g_type())) { + fprintf(stderr, "%s: streamon for in failed\n", __func__); + return; + } + int index = 0; + bool queue_lst_buf = false; + cv4l_buffer last_in_buf; + + fcntl(fd.g_fd(), F_SETFL, fd_flags | O_NONBLOCK); + + while (true) { + fd_set except_fds; + int req_fd = out.g_req_fd(index); + struct timeval tv = { 2, 0 }; + + FD_ZERO(&except_fds); + FD_SET(req_fd, &except_fds); + + int rc = select(req_fd + 1, NULL, NULL, &except_fds, &tv); + + if (rc == 0) { + fprintf(stderr, "Timeout when waiting for media request\n"); + return; + } else if (rc < 0) { + fprintf(stderr, "Unable to select media request: %s\n", + strerror(errno)); + return; + } + /* + * it is safe to queue back last cap buffer only after + * the following request is done so that the buffer + * is not needed anymore as a reference frame + */ + if (queue_lst_buf) { + if (fd.qbuf(last_in_buf) < 0) { + fprintf(stderr, "%s: qbuf failed\n", __func__); + return; + } + } + int buf_idx = -1; + /* + * fin is not sent to do_handle_cap since the capture buf is + * written to the file in current function + */ + rc = do_handle_cap(fd, in, NULL, &buf_idx, count[CAP], + fps_ts[CAP], fmt[CAP]); + if (rc) { + fprintf(stderr, "%s: do_handle_cap err\n", __func__); + return; + } + /* + * in case of an error in the frame, set last ts to 0 as a mean + * to recover so that next request will not use a + * reference buffer. Otherwise the error flag will be set to + * all the future capture buffers. + */ + if (buf_idx == -1) { + fprintf(stderr, "%s: frame returned with error\n", __func__); + last_fwht_bf_ts = 0; + } else { + cv4l_buffer cap_buf(in, index); + if (fd.querybuf(cap_buf)) + return; + last_in_buf = cap_buf; + queue_lst_buf = true; + if (fin && cap_buf.g_bytesused(0) && + !(cap_buf.g_flags() & V4L2_BUF_FLAG_ERROR)) { + int idx = get_fwht_req_by_ts(get_ns_timestamp(cap_buf)); + + if (idx < 0) { + fprintf(stderr, "%s: could not find request from buffer\n", __func__); + fprintf(stderr, "%s: ts = %llu\n", __func__, get_ns_timestamp(cap_buf)); + return; + } + composed_width = fwht_reqs[idx].params.width; + composed_height = fwht_reqs[idx].params.height; + write_buffer_to_file(fd, in, cap_buf, + fmt[CAP], fin); + } + } + rc = do_handle_out(fd, out, fout, NULL, count[OUT], + fps_ts[OUT], fmt[OUT]); + if (rc) { + fprintf(stderr, "%s: output stream ended\n", __func__); + close(req_fd); + } + index = (index + 1) % out.g_buffers(); + } +} + static void streaming_set_m2m(cv4l_fd &fd, cv4l_fd &exp_fd) { cv4l_queue in(fd.g_type(), memory); @@ -2272,7 +2497,12 @@ static void streaming_set_m2m(cv4l_fd &fd, cv4l_fd &exp_fd) if (out.export_bufs(&exp_fd, exp_fd.g_type())) return; } - stateful_m2m(fd, in, out, file[CAP], file[OUT], exp_fd_p); + if (out.reqbufs(&fd, 0)) + goto done; + if (out.g_capabilities() & V4L2_BUF_CAP_SUPPORTS_REQUESTS) + stateless_m2m(fd, in, out, file[CAP], file[OUT], exp_fd_p); + else + stateful_m2m(fd, in, out, file[CAP], file[OUT], exp_fd_p); done: if (options[OptStreamDmaBuf] || options[OptStreamOutDmaBuf]) exp_q.close_exported_fds();