Add initial CPL model and unit tests

libavformat/Makefile

@@ -282,7 +282,7 @@ OBJS-$(CONFIG_IMAGE_WEBP_PIPE_DEMUXER) += img2dec.o img2.o
 OBJS-$(CONFIG_IMAGE_XBM_PIPE_DEMUXER) += img2dec.o img2.o
 OBJS-$(CONFIG_IMAGE_XPM_PIPE_DEMUXER) += img2dec.o img2.o
 OBJS-$(CONFIG_IMAGE_XWD_PIPE_DEMUXER) += img2dec.o img2.o
-OBJS-$(CONFIG_IMF_DEMUXER) += imfdec.o
+OBJS-$(CONFIG_IMF_DEMUXER) += imfdec.o imf_cpl.o
 OBJS-$(CONFIG_INGENIENT_DEMUXER) += ingenientdec.o rawdec.o
 OBJS-$(CONFIG_IPMOVIE_DEMUXER) += ipmovie.o
 OBJS-$(CONFIG_IPU_DEMUXER) += ipudec.o
@@ -690,6 +690,7 @@ TESTPROGS-$(CONFIG_FFRTMPCRYPT_PROTOCOL) += rtmpdh
 TESTPROGS-$(CONFIG_MOV_MUXER) += movenc
 TESTPROGS-$(CONFIG_NETWORK) += noproxy
 TESTPROGS-$(CONFIG_SRTP) += srtp
+TESTPROGS-$(CONFIG_IMF_DEMUXER) += imf
 
 TOOLS = aviocat \
  ismindex \

libavformat/imf.h

@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) Sandflow Consulting LLC
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * @file
+ * @ingroup lavu_imf
+ * Public header for processing of Interoperable Master Format packages
+ */
+
+#ifndef AVCODEC_IMF_H
+#define AVCODEC_IMF_H
+
+#include "libavformat/avio.h"
+#include "libavutil/rational.h"
+#include <libxml/tree.h>
+
+/**
+ * IMF Composition Playlist Base Resource
+ */
+typedef struct IMFBaseResource {
+ AVRational edit_rate;
+ unsigned long entry_point;
+ unsigned long duration;
+ unsigned long repeat_count;
+} IMFBaseResource;
+
+/**
+ * IMF Composition Playlist Track File Resource
+ */
+typedef struct IMFTrackFileResource {
+ IMFBaseResource base;
+ unsigned char track_file_uuid[16];
+} IMFTrackFileResource;
+
+/**
+ * IMF Marker
+ */
+typedef struct IMFMarker {
+ xmlChar *label_utf8;
+ xmlChar *scope_utf8;
+ unsigned long offset;
+} IMFMarker;
+
+/**
+ * IMF Composition Playlist Marker Resource
+ */
+typedef struct IMFMarkerResource {
+ IMFBaseResource base;
+ unsigned long marker_count;
+ IMFMarker *markers;
+} IMFMarkerResource;
+
+/**
+ * IMF Composition Playlist Virtual Track
+ */
+typedef struct IMFBaseVirtualTrack {
+ unsigned char id_uuid[16];
+} IMFBaseVirtualTrack;
+
+/**
+ * IMF Composition Playlist Virtual Track that consists of Track File Resources
+ */
+typedef struct IMFTrackFileVirtualTrack {
+ IMFBaseVirtualTrack base;
+ unsigned long resource_count;
+ IMFTrackFileResource *resources;
+} IMFTrackFileVirtualTrack;
+
+/**
+ * IMF Composition Playlist Virtual Track that consists of Marker Resources
+ */
+typedef struct IMFMarkerVirtualTrack {
+ IMFBaseVirtualTrack base;
+ unsigned long resource_count;
+ IMFMarkerResource *resources;
+} IMFMarkerVirtualTrack;
+
+/**
+ * IMF Composition Playlist
+ */
+typedef struct IMFCPL {
+ uint8_t id_uuid[16];
+ xmlChar *content_title_utf8;
+ AVRational edit_rate;
+ IMFMarkerVirtualTrack *main_markers_track;
+ IMFTrackFileVirtualTrack *main_image_2d_track;
+ unsigned long main_audio_track_count;
+ IMFTrackFileVirtualTrack *main_audio_tracks;
+} IMFCPL;
+
+int parse_imf_cpl_from_xml_dom(xmlDocPtr doc, IMFCPL **cpl);
+
+int parse_imf_cpl(AVIOContext *in, IMFCPL **cpl);
+
+IMFCPL *imf_cpl_alloc(void);
+
+void imf_cpl_free(IMFCPL *cpl);
+
+#endif