From ea679567683c8e43255a0636e32ccf7c683c6997 Mon Sep 17 00:00:00 2001
From: Matthew Hoops
Date: Tue, 15 Feb 2011 10:45:43 -0500
Subject: VIDEO: Add some stubs for QuickTime edit list work

The edit lists are actually read in now. Minor cleanup of streams as well.
---
 video/qt_decoder.cpp | 55 ++++++++++++++++++++++++++++++++++++++--------------
 video/qt_decoder.h   | 10 +++++++++-
 2 files changed, 49 insertions(+), 16 deletions(-)

(limited to 'video')

diff --git a/video/qt_decoder.cpp b/video/qt_decoder.cpp
index 6944fd5a77..a277d6bbde 100644
--- a/video/qt_decoder.cpp
+++ b/video/qt_decoder.cpp
@@ -820,19 +820,25 @@ int QuickTimeDecoder::readTKHD(MOVatom atom) {
 
 // edit list atom
 int QuickTimeDecoder::readELST(MOVatom atom) {
+	MOVStreamContext *st = _streams[_numStreams - 1];
+
 	_fd->readByte(); // version
 	_fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
-	uint32 editCount = _streams[_numStreams - 1]->edit_count = _fd->readUint32BE();	 // entries
 
-	for (uint32 i = 0; i < editCount; i++){
-		_fd->readUint32BE(); // Track duration
-		_fd->readUint32BE(); // Media time
-		_fd->readUint32BE(); // Media rate
-	}
+	st->editCount = _fd->readUint32BE();
+	st->editList = new EditListEntry[st->editCount];
 
-	debug(0, "track[%i].edit_count = %i", _numStreams - 1, _streams[_numStreams - 1]->edit_count);
+	debug(2, "Track %d edit list count: %d", _numStreams - 1, st->editCount);
+
+	for (uint32 i = 0; i < st->editCount; i++){
+		st->editList[i].trackDuration = _fd->readUint32BE();
+		st->editList[i].mediaTime = _fd->readSint32BE();
+		st->editList[i].mediaRate = Common::Rational(_fd->readUint32BE(), 0x10000);
+		debugN(3, "\tDuration = %d, Media Time = %d, ", st->editList[i].trackDuration, st->editList[i].mediaTime);
+		st->editList[i].mediaRate.debugPrint(3, "Media Rate =");
+	}
 
-	if (editCount != 1)
+	if (st->editCount != 1)
 		warning("Multiple edit list entries. Things may go awry");
 
 	return 0;
@@ -863,7 +869,7 @@ int QuickTimeDecoder::readHDLR(MOVatom atom) {
 	else if (type == MKID_BE('soun'))
 		st->codec_type = CODEC_TYPE_AUDIO;
 
-	_fd->readUint32BE(); // component  manufacture
+	_fd->readUint32BE(); // component manufacture
 	_fd->readUint32BE(); // component flags
 	_fd->readUint32BE(); // component flags mask
 
@@ -1465,12 +1471,30 @@ QuickTimeDecoder::STSDEntry::~STSDEntry() {
 }
 
 QuickTimeDecoder::MOVStreamContext::MOVStreamContext() {
-	// FIXME: Setting all members to 0 via memset is a hack -- it works
-	// because the only non-POD member of MOVStreamContext is of type
-	// Common::Rational, and that luckily has no virtual methods nor
-	// does it keep internal pointers or anything like that. But watch
-	// out if you ever extend MOVStreamContext!
-	memset(this, 0, sizeof(MOVStreamContext));
+	chunk_count = 0;
+	chunk_offsets = 0;
+	stts_count = 0;
+	stts_data = 0;
+	sample_to_chunk_sz = 0;
+	sample_to_chunk = 0;
+	sample_size = 0;
+	sample_count = 0;
+	sample_sizes = 0;
+	keyframe_count = 0;
+	keyframes = 0;
+	time_scale = 0;
+	time_rate = 0;
+	width = 0;
+	height = 0;
+	codec_type = CODEC_TYPE_MOV_OTHER;
+	stsdEntryCount = 0;
+	stsdEntries = 0;
+	editCount = 0;
+	editList = 0;
+	extradata = 0;
+	nb_frames = 0;
+	duration = 0;
+	start_time = 0;
 }
 
 QuickTimeDecoder::MOVStreamContext::~MOVStreamContext() {
@@ -1480,6 +1504,7 @@ QuickTimeDecoder::MOVStreamContext::~MOVStreamContext() {
 	delete[] sample_sizes;
 	delete[] keyframes;
 	delete[] stsdEntries;
+	delete[] editList;
 	delete extradata;
 }
 
diff --git a/video/qt_decoder.h b/video/qt_decoder.h
index 809c8a718d..e876097dfd 100644
--- a/video/qt_decoder.h
+++ b/video/qt_decoder.h
@@ -149,6 +149,12 @@ private:
 		uint32 id;
 	};
 
+	struct EditListEntry {
+		uint32 trackDuration;
+		int32 mediaTime;
+		Common::Rational mediaRate;
+	};
+
 	struct STSDEntry {
 		STSDEntry();
 		~STSDEntry();
@@ -183,7 +189,6 @@ private:
 		uint32 *chunk_offsets;
 		int stts_count;
 		MOVstts *stts_data;
-		int edit_count; /* number of 'edit' (elst atom) */
 		uint32 sample_to_chunk_sz;
 		MOVstsc *sample_to_chunk;
 		uint32 sample_size;
@@ -201,6 +206,9 @@ private:
 		uint32 stsdEntryCount;
 		STSDEntry *stsdEntries;
 
+		uint32 editCount;
+		EditListEntry *editList;
+
 		Common::SeekableReadStream *extradata;
 
 		uint32 nb_frames;
-- 
cgit v1.2.3