First commit of brand new rewrite

project/clip.cpp

@@ -0,0 +1,81 @@
+#include "clip.h"
+
+#include "project/effect.h"
+#include "io/media.h"
+#include "playback/playback.h"
+#include "playback/cacher.h"
+
+#include <QDebug>
+
+extern "C" {
+	#include <libavformat/avformat.h>
+}
+
+Clip::Clip() {
+	init();
+}
+
+Clip::Clip(const Clip &c) {
+	init();
+	copy(c);
+}
+
+Clip& Clip::operator= (const Clip& c) {
+	init();
+	copy(c);
+	return *this;
+}
+
+void Clip::copy(const Clip& c) {
+	name = c.name;
+	clip_in = c.clip_in;
+	timeline_in = c.timeline_in;
+	timeline_out = c.timeline_out;
+	track = c.track;
+	color_r = c.color_r;
+	color_g = c.color_g;
+	color_b = c.color_b;
+	sequence = c.sequence;
+	media = c.media;
+	media_stream = c.media_stream;
+}
+
+void Clip::init() {
+	reset();
+	clip_in = timeline_in = timeline_out = track = undeletable = 0;
+	texture = NULL;
+	pkt = new AVPacket();
+}
+
+void Clip::reset() {
+	cache_size = cache_A.offset = cache_B.offset = open = pkt_written = cache_A.written = cache_B.written = cache_A.unread = cache_B.unread = reached_end = reset_audio = frame_sample_index = 0;
+	texture_frame = -1;
+	formatCtx = NULL;
+	stream = NULL;
+	codec = NULL;
+	codecCtx = NULL;
+	texture = NULL;
+	cache_A.frames = NULL;
+	cache_B.frames = NULL;
+}
+
+Clip::~Clip() {
+	if (open) {
+		close_clip(this);
+	}
+
+	// make sure clip has closed before clip is destroyed
+	open_lock.lock();
+	open_lock.unlock();
+
+	for (int i=0;i<effects.size();i++) {
+		delete effects.at(i);
+	}
+	av_packet_unref(pkt);
+	delete pkt;
+}
+
+// timeline functions
+long Clip::getLength() {
+	return timeline_out - timeline_in;
+}