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Read tracks block.

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This commit is contained in:
Natalia Portillo
2019-03-18 00:10:24 +00:00
parent 7f5e38e52f
commit 7e5874aaaa
3 changed files with 55 additions and 12 deletions
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64
src/open.c
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@@ -440,7 +440,7 @@ void *open(const char *filepath)
if(readBytes != ddtHeader.entries * sizeof(uint32_t))
{
free(data);
fprintf(stderr, "Could not read deduplication table, continuing...");
fprintf(stderr, "libdicformat: Could not read deduplication table, continuing...");
break;
}
@@ -464,7 +464,7 @@ void *open(const char *filepath)
if(readBytes != sizeof(GeometryBlockHeader))
{
memset(&ctx->geometryBlock, 0, sizeof(GeometryBlockHeader));
fprintf(stderr, "Could not read geometry block, continuing...");
fprintf(stderr, "libdicformat: Could not read geometry block, continuing...");
break;
}
@@ -487,16 +487,16 @@ void *open(const char *filepath)
break;
// Metadata block
case MetadataBlock:readBytes =
fread(&ctx->metadataBlockHeader,
sizeof(MetadataBlockHeader),
1,
ctx->imageStream);
case MetadataBlock: readBytes =
fread(&ctx->metadataBlockHeader,
sizeof(MetadataBlockHeader),
1,
ctx->imageStream);
if(readBytes != sizeof(MetadataBlockHeader))
{
memset(&ctx->metadataBlockHeader, 0, sizeof(MetadataBlockHeader));
fprintf(stderr, "Could not read metadata block header, continuing...");
fprintf(stderr, "libdicformat: Could not read metadata block header, continuing...");
break;
}
@@ -504,7 +504,6 @@ void *open(const char *filepath)
{
memset(&ctx->metadataBlockHeader, 0, sizeof(MetadataBlockHeader));
fprintf(stderr,
"libdicformat: Incorrect identifier for data block at position %"PRIu64"",
idxEntries[i].offset);
break;
@@ -525,12 +524,53 @@ void *open(const char *filepath)
{
memset(&ctx->metadataBlockHeader, 0, sizeof(MetadataBlockHeader));
free(ctx->metadataBlock);
fprintf(stderr, "Could not read metadata block, continuing...");
fprintf(stderr, "libdicformat: Could not read metadata block, continuing...");
}
break;
case TracksBlock:
// TODO
case TracksBlock: readBytes = fread(&ctx->tracksHeader, sizeof(TracksHeader), 1, ctx->imageStream);
if(readBytes != sizeof(TracksHeader))
{
memset(&ctx->tracksHeader, 0, sizeof(TracksHeader));
fprintf(stderr, "libdicformat: Could not read tracks header, continuing...");
break;
}
if(ctx->tracksHeader.identifier != TracksBlock)
{
memset(&ctx->tracksHeader, 0, sizeof(TracksHeader));
fprintf(stderr,
"libdicformat: Incorrect identifier for data block at position %"PRIu64"",
idxEntries[i].offset);
}
ctx->trackEntries = malloc(sizeof(TrackEntry) * ctx->tracksHeader.entries);
if(ctx->trackEntries == NULL)
{
memset(&ctx->tracksHeader, 0, sizeof(TracksHeader));
fprintf(stderr, "libdicformat: Could not allocate memory for metadata block, continuing...");
break;
}
readBytes = fread(ctx->trackEntries, sizeof(TrackEntry), ctx->tracksHeader.entries, ctx->imageStream);
if(readBytes != ctx->metadataBlockHeader.blockSize)
{
memset(&ctx->tracksHeader, 0, sizeof(TracksHeader));
free(ctx->trackEntries);
fprintf(stderr, "libdicformat: Could not read metadata block, continuing...");
}
fprintf(stderr,
"libdicformat: Found %d tracks at position %"PRIu64".",
ctx->tracksHeader.entries,
idxEntries[i].offset);
// TODO: Cache flags and ISRCs
// TODO: ImageInfo
break;
case CicmBlock:
// TODO