pcap

.github/workflows/test-suite.yaml

@@ -120,7 +120,7 @@ jobs:
           LIBS: >
             ev asound2 x264 x265 speexdsp png freetype6 zvbi gcrypt tasn1 dvbv5
             udev avcodec avformat avfilter swresample swscale gl1-mesa glu1-mesa
-            srt-gnutls gnutls28 ssl bearssl ebur128 dvbcsa
+            srt-gnutls gnutls28 ssl bearssl ebur128 dvbcsa pcap
         run: |
           if [ "${{ matrix.arch }}" != "amd64" ]; then
             sudo apt-get install qemu-user-binfmt
@@ -135,7 +135,7 @@ jobs:
       - name: Install dependencies (macOS)
         if: runner.os == 'macOS'
         run: |
-          brew install autoconf automake libtool pkg-config nasm ffmpeg \
+          brew install autoconf automake libtool pkg-config nasm ffmpeg libpcap \
             freetype libebur128 libev libgcrypt libtasn1 speexdsp x264 x265 luajit
           BREW_PREFIX="$(brew --prefix)"
           set-env HOST_CC "clang"

examples/.gitignore

@@ -19,3 +19,4 @@
 /ts_encrypt
 /dvbsrc
 /frame
+/pcap

examples/Build.mk

@@ -70,6 +70,10 @@ multicatudp-src = multicatudp.c
 multicatudp-deps = upipe_fsink
 multicatudp-libs = libupipe libupipe_modules libupipe_pthread libupump_ev
 
+noinst-targets += pcap
+pcap-src = pcap.c
+pcap-libs = libupipe libupipe_modules libupipe_pcap libupump_ev bitstream
+
 noinst-targets += rist_rx
 rist_rx-src = rist_rx.c
 rist_rx-deps = upipe_udpsink upipe_rtpfb

examples/pcap.c

@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2025 Open Broadcast Systems Ltd
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject
+ * to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "upipe/uprobe.h"
+#include "upipe/uprobe_stdio.h"
+#include "upipe/uprobe_prefix.h"
+#include "upipe/uprobe_uref_mgr.h"
+#include "upipe/uprobe_uclock.h"
+#include "upipe/uprobe_upump_mgr.h"
+#include "upipe/uprobe_ubuf_mem.h"
+#include "upipe/umem.h"
+#include "upipe/uclock.h"
+#include "upipe/uclock_std.h"
+#include "upipe/umem_pool.h"
+#include "upipe/udict.h"
+#include "upipe/udict_inline.h"
+#include "upipe/uref.h"
+#include "upipe/uref_std.h"
+#include "upipe/upipe.h"
+#include "upipe/upump.h"
+#include "upump-ev/upump_ev.h"
+#include "upipe-pcap/upipe_pcap_src.h"
+#include "upipe-modules/upipe_null.h"
+
+#define UPROBE_LOG_LEVEL UPROBE_LOG_INFO
+#define UMEM_POOL 512
+#define UDICT_POOL_DEPTH 500
+#define UREF_POOL_DEPTH 500
+#define UBUF_POOL_DEPTH 3000
+#define UBUF_SHARED_POOL_DEPTH 50
+#define UPUMP_POOL 10
+#define UPUMP_BLOCKER_POOL 10
+
+int main(int argc, char **argv)
+{
+    if (argc < 2) {
+        printf("Usage: %s <input>\n", argv[0]);
+        exit(-1);
+    }
+
+    const char *input = argv[1];
+
+    /* structures managers */
+    struct upump_mgr *upump_mgr =
+        upump_ev_mgr_alloc_default(UPUMP_POOL, UPUMP_BLOCKER_POOL);
+    assert(upump_mgr != NULL);
+    struct umem_mgr *umem_mgr = umem_pool_mgr_alloc_simple(UMEM_POOL);
+    struct udict_mgr *udict_mgr =
+        udict_inline_mgr_alloc(UDICT_POOL_DEPTH, umem_mgr, -1, -1);
+    struct uref_mgr *uref_mgr =
+        uref_std_mgr_alloc(UREF_POOL_DEPTH, udict_mgr, 0);
+    udict_mgr_release(udict_mgr);
+
+    struct uclock *uclock = uclock_std_alloc(0);
+
+    /* probes */
+    struct uprobe *uprobe;
+    uprobe = uprobe_stdio_alloc(NULL, stderr, UPROBE_LOG_DEBUG);
+    assert(uprobe != NULL);
+    uprobe = uprobe_uref_mgr_alloc(uprobe, uref_mgr);
+    assert(uprobe != NULL);
+    uprobe = uprobe_upump_mgr_alloc(uprobe, upump_mgr);
+    assert(uprobe != NULL);
+    uprobe = uprobe_ubuf_mem_alloc(uprobe, umem_mgr, UBUF_POOL_DEPTH,
+                                   UBUF_SHARED_POOL_DEPTH);
+    assert(uprobe != NULL);
+    uprobe = uprobe_uclock_alloc(uprobe, uclock);
+    assert(uprobe != NULL);
+
+    uref_mgr_release(uref_mgr);
+    upump_mgr_release(upump_mgr);
+    umem_mgr_release(umem_mgr);
+
+    /* pipes */
+
+    struct upipe_mgr *upipe_pcap_src_mgr = upipe_pcap_src_mgr_alloc();
+    struct upipe *upipe_src = upipe_void_alloc(upipe_pcap_src_mgr,
+        uprobe_pfx_alloc(uprobe_use(uprobe), UPROBE_LOG_DEBUG, "pcap"));
+    upipe_mgr_release(upipe_pcap_src_mgr);
+
+    upipe_attach_uclock(upipe_src);
+
+    struct upipe_mgr *upipe_null_mgr = upipe_null_mgr_alloc();
+    struct upipe *upipe = upipe_void_alloc_output(upipe_src, upipe_null_mgr,
+        uprobe_pfx_alloc(uprobe_use(uprobe), UPROBE_LOG_DEBUG, "null"));
+    upipe_mgr_release(upipe_null_mgr);
+    upipe_release(upipe);
+
+    if (!ubase_check(upipe_set_uri(upipe_src, input))) {
+        fprintf(stderr, "invalid input\n");
+        return EXIT_FAILURE;
+    }
+
+    uprobe_release(uprobe);
+
+    /* main loop */
+    upump_mgr_run(upump_mgr, NULL);
+
+    uclock_release(uclock);
+    upipe_release(upipe_src);
+
+    return 0;
+}

include/upipe-pcap/upipe_pcap_src.h

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2025 Open Broadcast Systems Ltd
+ *
+ * Authors: Rafaël Carré
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject
+ * to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/** @file
+ * @short Upipe module to output data from a pcap
+ */
+
+#ifndef _UPIPE_PCAP_UPIPE_PCAP_SRC_H_
+# define _UPIPE_PCAP_UPIPE_PCAP_SRC_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define UPIPE_PCAP_SRC_SIGNATURE UBASE_FOURCC('p','c','a','p')
+
+struct upipe_mgr *upipe_pcap_src_mgr_alloc(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

lib/Build.mk

@@ -19,6 +19,7 @@ subdirs = \
     upipe-netmap \
     upipe-openssl \
     upipe-osx \
+    upipe-pcap \
     upipe-pthread \
     upipe-qt \
     upipe-speexdsp \

lib/upipe-pcap/Build.mk

@@ -0,0 +1,7 @@
+lib-targets = libupipe_pcap
+
+libupipe_pcap-desc = pcap file source
+libupipe_pcap-so-version = 1.0.0
+libupipe_pcap-includes = upipe_pcap_src.h
+libupipe_pcap-src = upipe_pcap_src.c
+libupipe_pcap-libs = libupipe libpcap bitstream