286 |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
287 |
if (pCk3gix) { |
if (pCk3gix) { |
288 |
uint16_t iSampleGroup = pCk3gix->ReadInt16(); |
uint16_t iSampleGroup = pCk3gix->ReadInt16(); |
289 |
// caution: sample groups in .gig files are indexed (1..n) whereas Groups in libgig (0..n-1) |
pGroup = pFile->GetGroup(iSampleGroup); |
|
pGroup = pFile->GetGroup(iSampleGroup - 1); |
|
290 |
} else { // '3gix' chunk missing |
} else { // '3gix' chunk missing |
291 |
// not assigned to a group by default |
// by default assigned to that mandatory "Default Group" |
292 |
pGroup = NULL; |
pGroup = pFile->GetGroup(0); |
293 |
} |
} |
294 |
|
|
295 |
pCkSmpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
pCkSmpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
400 |
pCk3gix = pWaveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = pWaveList->GetSubChunk(CHUNK_ID_3GIX); |
401 |
if (!pCk3gix) pCk3gix = pWaveList->AddSubChunk(CHUNK_ID_3GIX, 4); |
if (!pCk3gix) pCk3gix = pWaveList->AddSubChunk(CHUNK_ID_3GIX, 4); |
402 |
// determine appropriate sample group index (to be stored in chunk) |
// determine appropriate sample group index (to be stored in chunk) |
403 |
uint16_t iSampleGroup = 0; // no sample group by default |
uint16_t iSampleGroup = 0; // 0 refers to default sample group |
404 |
File* pFile = static_cast<File*>(pParent); |
File* pFile = static_cast<File*>(pParent); |
405 |
if (pFile->pGroups) { |
if (pFile->pGroups) { |
406 |
std::list<Group*>::iterator iter = pFile->pGroups->begin(); |
std::list<Group*>::iterator iter = pFile->pGroups->begin(); |
407 |
std::list<Group*>::iterator end = pFile->pGroups->end(); |
std::list<Group*>::iterator end = pFile->pGroups->end(); |
408 |
// caution: sample groups in .gig files are indexed (1..n) whereas Groups in libgig (0..n-1) |
for (int i = 0; iter != end; i++, iter++) { |
|
for (int i = 1; iter != end; i++, iter++) { |
|
409 |
if (*iter == pGroup) { |
if (*iter == pGroup) { |
410 |
iSampleGroup = i; |
iSampleGroup = i; |
411 |
break; // found |
break; // found |
1152 |
} |
} |
1153 |
} |
} |
1154 |
|
|
1155 |
|
/** |
1156 |
|
* Returns pointer to the Group this Sample belongs to. In the .gig |
1157 |
|
* format a sample always belongs to one group. If it wasn't explicitly |
1158 |
|
* assigned to a certain group, it will be automatically assigned to a |
1159 |
|
* default group. |
1160 |
|
* |
1161 |
|
* @returns Sample's Group (never NULL) |
1162 |
|
*/ |
1163 |
|
Group* Sample::GetGroup() const { |
1164 |
|
return pGroup; |
1165 |
|
} |
1166 |
|
|
1167 |
Sample::~Sample() { |
Sample::~Sample() { |
1168 |
Instances--; |
Instances--; |
1169 |
if (!Instances && InternalDecompressionBuffer.Size) { |
if (!Instances && InternalDecompressionBuffer.Size) { |
2700 |
|
|
2701 |
/** @brief Constructor. |
/** @brief Constructor. |
2702 |
* |
* |
2703 |
* @param file - pointer to the RIFF::File object of this .gig file |
* @param file - pointer to the gig::File object |
2704 |
* @param ck3gnm - pointer to 3gnm chunk associated with this group |
* @param ck3gnm - pointer to 3gnm chunk associated with this group or |
2705 |
|
* NULL if this is a new Group |
2706 |
*/ |
*/ |
2707 |
Group::Group(RIFF::File* file, RIFF::Chunk* ck3gnm) { |
Group::Group(File* file, RIFF::Chunk* ck3gnm) { |
2708 |
pFile = file; |
pFile = file; |
2709 |
pNameChunk = ck3gnm; |
pNameChunk = ck3gnm; |
2710 |
::LoadString(pNameChunk, Name); |
::LoadString(pNameChunk, Name); |
2720 |
*/ |
*/ |
2721 |
void Group::UpdateChunks() { |
void Group::UpdateChunks() { |
2722 |
// make sure <3gri> and <3gnl> list chunks exist |
// make sure <3gri> and <3gnl> list chunks exist |
2723 |
RIFF::List* _3gri = pFile->GetSubList(LIST_TYPE_3GRI); |
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
2724 |
if (!_3gri) _3gri = pFile->AddSubList(LIST_TYPE_3GRI); |
if (!_3gri) _3gri = pFile->pRIFF->AddSubList(LIST_TYPE_3GRI); |
2725 |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
2726 |
if (!_3gnl) _3gnl = pFile->AddSubList(LIST_TYPE_3GNL); |
if (!_3gnl) _3gnl = pFile->pRIFF->AddSubList(LIST_TYPE_3GNL); |
2727 |
// now store the name of this group as <3gnm> chunk as subchunk of the <3gnl> list chunk |
// now store the name of this group as <3gnm> chunk as subchunk of the <3gnl> list chunk |
2728 |
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
2729 |
} |
} |
2730 |
|
|
2731 |
|
/** |
2732 |
|
* Returns the first Sample of this Group. You have to call this method |
2733 |
|
* once before you use GetNextSample(). |
2734 |
|
* |
2735 |
|
* <b>Notice:</b> this method might block for a long time, in case the |
2736 |
|
* samples of this .gig file were not scanned yet |
2737 |
|
* |
2738 |
|
* @returns pointer address to first Sample or NULL if there is none |
2739 |
|
* applied to this Group |
2740 |
|
* @see GetNextSample() |
2741 |
|
*/ |
2742 |
|
Sample* Group::GetFirstSample() { |
2743 |
|
// FIXME: lazy und unsafe implementation, should be an autonomous iterator |
2744 |
|
for (Sample* pSample = pFile->GetFirstSample(); pSample; pSample = pFile->GetNextSample()) { |
2745 |
|
if (pSample->GetGroup() == this) return pSample; |
2746 |
|
} |
2747 |
|
return NULL; |
2748 |
|
} |
2749 |
|
|
2750 |
|
/** |
2751 |
|
* Returns the next Sample of the Group. You have to call |
2752 |
|
* GetFirstSample() once before you can use this method. By calling this |
2753 |
|
* method multiple times it iterates through the Samples assigned to |
2754 |
|
* this Group. |
2755 |
|
* |
2756 |
|
* @returns pointer address to the next Sample of this Group or NULL if |
2757 |
|
* end reached |
2758 |
|
* @see GetFirstSample() |
2759 |
|
*/ |
2760 |
|
Sample* Group::GetNextSample() { |
2761 |
|
// FIXME: lazy und unsafe implementation, should be an autonomous iterator |
2762 |
|
for (Sample* pSample = pFile->GetNextSample(); pSample; pSample = pFile->GetNextSample()) { |
2763 |
|
if (pSample->GetGroup() == this) return pSample; |
2764 |
|
} |
2765 |
|
return NULL; |
2766 |
|
} |
2767 |
|
|
2768 |
|
/** |
2769 |
|
* Move Sample given by \a pSample from another Group to this Group. |
2770 |
|
*/ |
2771 |
|
void Group::AddSample(Sample* pSample) { |
2772 |
|
pSample->pGroup = this; |
2773 |
|
} |
2774 |
|
|
2775 |
|
/** |
2776 |
|
* Move all members of this group to another group (preferably the 1st |
2777 |
|
* one except this). This method is called explicitly by |
2778 |
|
* File::DeleteGroup() thus when a Group was deleted. This code was |
2779 |
|
* intentionally not placed in the destructor! |
2780 |
|
*/ |
2781 |
|
void Group::MoveAll() { |
2782 |
|
// get "that" other group first |
2783 |
|
Group* pOtherGroup = NULL; |
2784 |
|
for (pOtherGroup = pFile->GetFirstGroup(); pOtherGroup; pOtherGroup = pFile->GetNextGroup()) { |
2785 |
|
if (pOtherGroup != this) break; |
2786 |
|
} |
2787 |
|
if (!pOtherGroup) throw Exception( |
2788 |
|
"Could not move samples to another group, since there is no " |
2789 |
|
"other Group. This is a bug, report it!" |
2790 |
|
); |
2791 |
|
// now move all samples of this group to the other group |
2792 |
|
for (Sample* pSample = GetFirstSample(); pSample; pSample = GetNextSample()) { |
2793 |
|
pOtherGroup->AddSample(pSample); |
2794 |
|
} |
2795 |
|
} |
2796 |
|
|
2797 |
|
|
2798 |
|
|
2799 |
// *************** File *************** |
// *************** File *************** |
2873 |
} |
} |
2874 |
|
|
2875 |
void File::LoadSamples(progress_t* pProgress) { |
void File::LoadSamples(progress_t* pProgress) { |
2876 |
|
// Groups must be loaded before samples, because samples will try |
2877 |
|
// to resolve the group they belong to |
2878 |
|
LoadGroups(); |
2879 |
|
|
2880 |
if (!pSamples) pSamples = new SampleList; |
if (!pSamples) pSamples = new SampleList; |
2881 |
|
|
2882 |
RIFF::File* file = pRIFF; |
RIFF::File* file = pRIFF; |
3042 |
|
|
3043 |
Group* File::GetFirstGroup() { |
Group* File::GetFirstGroup() { |
3044 |
if (!pGroups) LoadGroups(); |
if (!pGroups) LoadGroups(); |
3045 |
if (!pGroups) return NULL; |
// there must always be at least one group |
3046 |
GroupsIterator = pGroups->begin(); |
GroupsIterator = pGroups->begin(); |
3047 |
return (GroupsIterator == pGroups->end()) ? NULL : *GroupsIterator; |
return *GroupsIterator; |
3048 |
} |
} |
3049 |
|
|
3050 |
Group* File::GetNextGroup() { |
Group* File::GetNextGroup() { |
3061 |
*/ |
*/ |
3062 |
Group* File::GetGroup(uint index) { |
Group* File::GetGroup(uint index) { |
3063 |
if (!pGroups) LoadGroups(); |
if (!pGroups) LoadGroups(); |
|
if (!pGroups) return NULL; |
|
3064 |
GroupsIterator = pGroups->begin(); |
GroupsIterator = pGroups->begin(); |
3065 |
for (uint i = 0; GroupsIterator != pGroups->end(); i++) { |
for (uint i = 0; GroupsIterator != pGroups->end(); i++) { |
3066 |
if (i == index) return *GroupsIterator; |
if (i == index) return *GroupsIterator; |
3071 |
|
|
3072 |
Group* File::AddGroup() { |
Group* File::AddGroup() { |
3073 |
if (!pGroups) LoadGroups(); |
if (!pGroups) LoadGroups(); |
3074 |
if (!pGroups) pGroups = new std::list<Group*>; |
// there must always be at least one group |
3075 |
__ensureMandatoryChunksExist(); |
__ensureMandatoryChunksExist(); |
3076 |
Group* pGroup = new Group(pRIFF, NULL); |
Group* pGroup = new Group(this, NULL); |
3077 |
pGroups->push_back(pGroup); |
pGroups->push_back(pGroup); |
3078 |
return pGroup; |
return pGroup; |
3079 |
} |
} |
3080 |
|
|
3081 |
void File::DeleteGroup(Group* pGroup) { |
void File::DeleteGroup(Group* pGroup) { |
3082 |
if (!pGroups) throw gig::Exception("Could not delete group as there are no groups"); |
if (!pGroups) LoadGroups(); |
3083 |
std::list<Group*>::iterator iter = find(pGroups->begin(), pGroups->end(), pGroup); |
std::list<Group*>::iterator iter = find(pGroups->begin(), pGroups->end(), pGroup); |
3084 |
if (iter == pGroups->end()) throw gig::Exception("Could not delete group, could not find given group"); |
if (iter == pGroups->end()) throw gig::Exception("Could not delete group, could not find given group"); |
3085 |
|
if (pGroups->size() == 1) throw gig::Exception("Cannot delete group, there must be at least one default group!"); |
3086 |
|
// move all members of this group to another group |
3087 |
|
pGroup->MoveAll(); |
3088 |
pGroups->erase(iter); |
pGroups->erase(iter); |
3089 |
delete pGroup; |
delete pGroup; |
3090 |
} |
} |
3091 |
|
|
3092 |
void File::LoadGroups() { |
void File::LoadGroups() { |
3093 |
if (!pGroups) pGroups = new std::list<Group*>; |
if (!pGroups) pGroups = new std::list<Group*>; |
3094 |
|
// try to read defined groups from file |
3095 |
RIFF::List* lst3gri = pRIFF->GetSubList(LIST_TYPE_3GRI); |
RIFF::List* lst3gri = pRIFF->GetSubList(LIST_TYPE_3GRI); |
3096 |
if (!lst3gri) return; |
if (lst3gri) { |
3097 |
RIFF::List* lst3gnl = lst3gri->GetSubList(LIST_TYPE_3GNL); |
RIFF::List* lst3gnl = lst3gri->GetSubList(LIST_TYPE_3GNL); |
3098 |
if (!lst3gnl) return; |
if (lst3gnl) { |
3099 |
{ |
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
3100 |
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
while (ck) { |
3101 |
while (ck) { |
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
3102 |
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
pGroups->push_back(new Group(this, ck)); |
3103 |
pGroups->push_back(new Group(pRIFF, ck)); |
} |
3104 |
|
ck = lst3gnl->GetNextSubChunk(); |
3105 |
} |
} |
|
ck = lst3gnl->GetNextSubChunk(); |
|
3106 |
} |
} |
3107 |
} |
} |
3108 |
|
// if there were no group(s), create at least the mandatory default group |
3109 |
|
if (!pGroups->size()) { |
3110 |
|
Group* pGroup = new Group(this, NULL); |
3111 |
|
pGroup->Name = "Default Group"; |
3112 |
|
pGroups->push_back(pGroup); |
3113 |
|
} |
3114 |
} |
} |
3115 |
|
|
3116 |
|
|