From: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, dafna.hirschfeld@collabora.com, helen.koike@collabora.com, ezequiel@collabora.com, hverkuil@xs4all.nl, kernel@collabora.com, dafna3@gmail.com, sakari.ailus@linux.intel.com, linux-rockchip@lists.infradead.org, mchehab@kernel.org, tfiga@chromium.org Subject: [patch v4l-utils 1/2] v4l2-ctl: print specific error upon failure Date: Fri, 16 Jul 2021 14:57:02 +0200 [thread overview] Message-ID: <20210716125703.699-2-dafna.hirschfeld@collabora.com> (raw) In-Reply-To: <20210716125703.699-1-dafna.hirschfeld@collabora.com> When an operation fails, print an error message that specify the specific operation that failed prefixed with the current function name. This makes debugging less painful. Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> --- utils/v4l2-ctl/v4l2-ctl-streaming.cpp | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) diff --git a/utils/v4l2-ctl/v4l2-ctl-streaming.cpp b/utils/v4l2-ctl/v4l2-ctl-streaming.cpp index 62424e4c..0f28a537 100644 --- a/utils/v4l2-ctl/v4l2-ctl-streaming.cpp +++ b/utils/v4l2-ctl/v4l2-ctl-streaming.cpp @@ -1153,8 +1153,10 @@ static int do_setup_out_buffers(cv4l_fd &fd, cv4l_queue &q, FILE *fin, bool qbuf q.g_type() == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; bool is_meta = q.g_type() == V4L2_BUF_TYPE_META_OUTPUT; - if (q.obtain_bufs(&fd)) + if (q.obtain_bufs(&fd)) { + fprintf(stderr, "%s q.obtain_bufs failed\n", __func__); return QUEUE_ERROR; + } fd.g_fmt(fmt, q.g_type()); { @@ -1226,8 +1228,10 @@ static int do_setup_out_buffers(cv4l_fd &fd, cv4l_queue &q, FILE *fin, bool qbuf for (unsigned i = 0; i < q.g_buffers(); i++) { cv4l_buffer buf(q); - if (fd.querybuf(buf, i)) + if (fd.querybuf(buf, i)) { + fprintf(stderr, "%s fd.querybuf failed\n", __func__); return QUEUE_ERROR; + } buf.update(q, i); for (unsigned j = 0; j < q.g_num_planes(); j++) @@ -2720,11 +2724,21 @@ static void streaming_set_cap2out(cv4l_fd &fd, cv4l_fd &out_fd) fprintf(stderr, "mismatch between number of planes\n"); goto done; } + if (in.obtain_bufs(&fd)) { + fprintf(stderr, "%s: in.obtain_bufs failed\n", __func__); + goto done; + } - if (in.obtain_bufs(&fd) || - in.queue_all(&fd) || - do_setup_out_buffers(out_fd, out, file[OUT], false, false) == QUEUE_ERROR) + if (in.queue_all(&fd)) { + fprintf(stderr, "%s: in.queue_all failed\n", __func__); goto done; + } + + + if (do_setup_out_buffers(out_fd, out, file[OUT], false, false) == QUEUE_ERROR) { + fprintf(stderr, "%s: do_setup_out_buffers failed\n", __func__); + goto done; + } fps_ts[CAP].determine_field(fd.g_fd(), in.g_type()); fps_ts[OUT].determine_field(fd.g_fd(), out.g_type()); -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, dafna.hirschfeld@collabora.com, helen.koike@collabora.com, ezequiel@collabora.com, hverkuil@xs4all.nl, kernel@collabora.com, dafna3@gmail.com, sakari.ailus@linux.intel.com, linux-rockchip@lists.infradead.org, mchehab@kernel.org, tfiga@chromium.org Subject: [patch v4l-utils 1/2] v4l2-ctl: print specific error upon failure Date: Fri, 16 Jul 2021 14:57:02 +0200 [thread overview] Message-ID: <20210716125703.699-2-dafna.hirschfeld@collabora.com> (raw) In-Reply-To: <20210716125703.699-1-dafna.hirschfeld@collabora.com> When an operation fails, print an error message that specify the specific operation that failed prefixed with the current function name. This makes debugging less painful. Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> --- utils/v4l2-ctl/v4l2-ctl-streaming.cpp | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) diff --git a/utils/v4l2-ctl/v4l2-ctl-streaming.cpp b/utils/v4l2-ctl/v4l2-ctl-streaming.cpp index 62424e4c..0f28a537 100644 --- a/utils/v4l2-ctl/v4l2-ctl-streaming.cpp +++ b/utils/v4l2-ctl/v4l2-ctl-streaming.cpp @@ -1153,8 +1153,10 @@ static int do_setup_out_buffers(cv4l_fd &fd, cv4l_queue &q, FILE *fin, bool qbuf q.g_type() == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; bool is_meta = q.g_type() == V4L2_BUF_TYPE_META_OUTPUT; - if (q.obtain_bufs(&fd)) + if (q.obtain_bufs(&fd)) { + fprintf(stderr, "%s q.obtain_bufs failed\n", __func__); return QUEUE_ERROR; + } fd.g_fmt(fmt, q.g_type()); { @@ -1226,8 +1228,10 @@ static int do_setup_out_buffers(cv4l_fd &fd, cv4l_queue &q, FILE *fin, bool qbuf for (unsigned i = 0; i < q.g_buffers(); i++) { cv4l_buffer buf(q); - if (fd.querybuf(buf, i)) + if (fd.querybuf(buf, i)) { + fprintf(stderr, "%s fd.querybuf failed\n", __func__); return QUEUE_ERROR; + } buf.update(q, i); for (unsigned j = 0; j < q.g_num_planes(); j++) @@ -2720,11 +2724,21 @@ static void streaming_set_cap2out(cv4l_fd &fd, cv4l_fd &out_fd) fprintf(stderr, "mismatch between number of planes\n"); goto done; } + if (in.obtain_bufs(&fd)) { + fprintf(stderr, "%s: in.obtain_bufs failed\n", __func__); + goto done; + } - if (in.obtain_bufs(&fd) || - in.queue_all(&fd) || - do_setup_out_buffers(out_fd, out, file[OUT], false, false) == QUEUE_ERROR) + if (in.queue_all(&fd)) { + fprintf(stderr, "%s: in.queue_all failed\n", __func__); goto done; + } + + + if (do_setup_out_buffers(out_fd, out, file[OUT], false, false) == QUEUE_ERROR) { + fprintf(stderr, "%s: do_setup_out_buffers failed\n", __func__); + goto done; + } fps_ts[CAP].determine_field(fd.g_fd(), in.g_type()); fps_ts[OUT].determine_field(fd.g_fd(), out.g_type()); -- 2.17.1 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip
next prev parent reply other threads:[~2021-07-16 12:57 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-16 12:57 [patch v4l-utils 0/2] Fix bugs found with dmabuf Dafna Hirschfeld 2021-07-16 12:57 ` Dafna Hirschfeld 2021-07-16 12:57 ` Dafna Hirschfeld [this message] 2021-07-16 12:57 ` [patch v4l-utils 1/2] v4l2-ctl: print specific error upon failure Dafna Hirschfeld 2021-07-16 12:57 ` [patch v4l-utils 2/2] v4l2-ctl: fix bugs found in streaming_set_cap2out Dafna Hirschfeld 2021-07-16 12:57 ` Dafna Hirschfeld
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