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-rw-r--r--Src/nsavi/main.cpp269
1 files changed, 269 insertions, 0 deletions
diff --git a/Src/nsavi/main.cpp b/Src/nsavi/main.cpp
new file mode 100644
index 00000000..b17c47f8
--- /dev/null
+++ b/Src/nsavi/main.cpp
@@ -0,0 +1,269 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <windows.h> // evil, i know
+#include <bfc/platform/types.h>
+#include "avi_header.h"
+#include "file_avi_reader.h"
+#include "read.h"
+#include "Info.h"
+
+using namespace nsavi;
+
+void printf_riff_chunk(const riff_chunk *chunk, int indent)
+{
+ char cc[5];
+ memcpy(cc, &chunk->id, 4);
+ cc[4]=0;
+ if (chunk->type)
+ {
+ char type[5];
+ memcpy(type, &chunk->type, 4);
+ type[4]=0;
+ printf("%*sID: %4s%*sSIZE: %10u TYPE: %s\r\n", indent, "", cc,8-indent, "",chunk->size, type);
+ }
+ else
+ printf("%*sID: %4s%*sSIZE: %10u\r\n", indent, "", cc, 8-indent, "", chunk->size);
+}
+
+
+
+uint32_t ParseLIST(nsavi::avi_reader *reader, const riff_chunk *parse_chunk, int indent);
+uint32_t ParseHDRL(nsavi::avi_reader *reader, uint32_t chunk_size, int indent)
+{
+ uint32_t total_bytes_read=0;
+ uint32_t bytes_read=0;
+
+ riff_chunk chunk;
+ while ((chunk_size - total_bytes_read) >= 8
+ && total_bytes_read < chunk_size // seems redundant, but since the above is unsigned math, we won't get negative values
+ && (read_riff_chunk(reader, &chunk, &bytes_read) == READ_OK))
+ {
+ total_bytes_read += bytes_read;
+ printf_riff_chunk(&chunk, indent);
+ if (chunk.id == 'TSIL')
+ {
+ bytes_read = ParseLIST(reader, &chunk, indent+1);
+ if (!bytes_read)
+ return 0;
+ total_bytes_read += bytes_read;
+ }
+ else if (chunk.id == 'hiva')
+ {
+ nsavi::AVIH *header = (nsavi::AVIH *)malloc(chunk.size + sizeof(uint32_t));
+ if (header)
+ {
+ reader->Read(((uint8_t *)header) + sizeof(uint32_t), chunk.size, &bytes_read);
+ if (bytes_read != chunk.size)
+ return 0;
+ total_bytes_read+=bytes_read;
+ header->size_bytes = chunk.size;
+ }
+ else
+ return 0;
+ }
+ else
+ {
+ if (skip_chunk(reader, &chunk, &bytes_read) != READ_OK)
+ return 0;
+
+ total_bytes_read += bytes_read;
+ }
+
+ }
+ return total_bytes_read;
+}
+
+uint32_t ParseSTRL(nsavi::avi_reader *reader, uint32_t chunk_size, int indent)
+{
+ uint32_t total_bytes_read=0;
+ uint32_t bytes_read=0;
+
+ riff_chunk chunk;
+ while ((chunk_size - total_bytes_read) >= 8
+ && total_bytes_read < chunk_size // seems redundant, but since the above is unsigned math, we won't get negative values
+ && (read_riff_chunk(reader, &chunk, &bytes_read) == READ_OK))
+ {
+ total_bytes_read += bytes_read;
+ printf_riff_chunk(&chunk, indent);
+ if (chunk.id == 'TSIL')
+ {
+ bytes_read = ParseLIST(reader, &chunk, indent+1);
+ if (!bytes_read)
+ return 0;
+ total_bytes_read += bytes_read;
+ }
+ else if (chunk.id == 'hrts')
+ {
+ nsavi::STRH *header = (nsavi::STRH *)malloc(chunk.size + sizeof(uint32_t));
+ if (header)
+ {
+ reader->Read(((uint8_t *)header) + sizeof(uint32_t), chunk.size, &bytes_read);
+ if (bytes_read != chunk.size)
+ return 0;
+ total_bytes_read+=bytes_read;
+ header->size_bytes = chunk.size;
+ }
+ else
+ return 0;
+ }
+ else if (chunk.id == 'frts')
+ {
+ nsavi::STRF *header = (nsavi::STRF *)malloc(chunk.size + sizeof(uint32_t));
+ if (header)
+ {
+ reader->Read(((uint8_t *)header) + sizeof(uint32_t), chunk.size, &bytes_read);
+ if (bytes_read != chunk.size)
+ return 0;
+ total_bytes_read+=bytes_read;
+ header->size_bytes = chunk.size;
+ }
+ else
+ return 0;
+ }
+ else if (chunk.id == 'xdni')
+ {
+ nsavi::INDX *index = (nsavi::INDX *)malloc(chunk.size + sizeof(uint32_t));
+ if (index)
+ {
+ reader->Read(&index->entry_size, chunk.size, &bytes_read);
+ if (bytes_read != chunk.size)
+ return 0;
+ total_bytes_read+=bytes_read;
+ index->size_bytes = chunk.size;
+ }
+ else
+ return 0;
+ }
+ else
+ {
+ if (skip_chunk(reader, &chunk, &bytes_read) != READ_OK)
+ return 0;
+
+ total_bytes_read += bytes_read;
+ }
+
+ }
+ return total_bytes_read;
+}
+
+uint32_t ParseGeneric(nsavi::avi_reader *reader, uint32_t chunk_size, int indent)
+{
+ uint32_t total_bytes_read=0;
+ uint32_t bytes_read=0;
+
+ riff_chunk chunk;
+ while ((chunk_size - total_bytes_read) >= 8
+ && total_bytes_read < chunk_size // seems redundant, but since the above is unsigned math, we won't get negative values
+ && (read_riff_chunk(reader, &chunk, &bytes_read) == READ_OK))
+ {
+ total_bytes_read += bytes_read;
+ printf_riff_chunk(&chunk, indent);
+ if (chunk.id == 'TSIL')
+ {
+ bytes_read = ParseLIST(reader, &chunk, indent+1);
+ if (!bytes_read)
+ return 0;
+ total_bytes_read += bytes_read;
+ }
+ else
+ {
+ if (skip_chunk(reader, &chunk, &bytes_read) != READ_OK)
+ return 0;
+
+ total_bytes_read += bytes_read;
+ }
+
+ }
+ return total_bytes_read;
+}
+
+uint32_t ParseLIST(nsavi::avi_reader *reader, const riff_chunk *parse_chunk, int indent)
+{
+ uint32_t total_bytes_read=0;
+ uint32_t bytes_read=0;
+
+ if (parse_chunk->type == 'lrdh')
+ ParseHDRL(reader, parse_chunk->size, indent);
+ else if (parse_chunk->type == 'lrts')
+ ParseSTRL(reader, parse_chunk->size, indent);
+ else if (parse_chunk->type == 'lmdo')
+ ParseSTRL(reader, parse_chunk->size, indent);
+ else if (parse_chunk->type == 'OFNI')
+ {
+ Info *info = new Info;
+ info->Read(reader, parse_chunk->size);
+ info = info;
+ }
+ //else if (parse_chunk->type == 'ivom')
+ //ParseGeneric(reader, parse_chunk->size, indent);
+ //else if (parse_chunk->type == ' cer')
+ //ParseGeneric(reader, parse_chunk->size, indent);
+ else
+ reader->Skip(parse_chunk->size);
+
+ if (parse_chunk->size & 1)
+ reader->Skip(1);
+
+
+ return parse_chunk->size;
+}
+
+uint32_t ParseRIFF(nsavi::avi_reader *reader, uint32_t chunk_size, int indent)
+{
+ uint32_t total_bytes_read=0;
+ uint32_t bytes_read=0;
+
+ riff_chunk chunk;
+ while ((chunk_size - total_bytes_read) >= 8
+ && total_bytes_read < chunk_size // seems redundant, but since the above is unsigned math, we won't get negative values
+ && (read_riff_chunk(reader, &chunk, &bytes_read) == READ_OK))
+ {
+ total_bytes_read += bytes_read;
+ printf_riff_chunk(&chunk, indent);
+ if (chunk.id == 'TSIL')
+ {
+ bytes_read = ParseLIST(reader, &chunk, indent+1);
+ if (!bytes_read)
+ return 0;
+ total_bytes_read += bytes_read;
+ }
+ else if (chunk.id == '1xdi')
+ {
+ nsavi::IDX1 *index = (nsavi::IDX1 *)malloc(chunk.size + sizeof(uint32_t));
+ if (index)
+ {
+ reader->Read(((uint8_t *)index) + sizeof(uint32_t), chunk.size, &bytes_read);
+ if (bytes_read != chunk.size)
+ return 0;
+ total_bytes_read+=bytes_read;
+ index->index_count = chunk.size / sizeof(IDX1_INDEX);
+ }
+ }
+ else
+ {
+ if (skip_chunk(reader, &chunk, &bytes_read) != READ_OK)
+ return 0;
+ total_bytes_read += bytes_read;
+ }
+
+ }
+ if (chunk_size & 1)
+ reader->Skip(1);
+
+ return total_bytes_read;
+}
+
+int main()
+{
+ AVIReaderFILE reader(L"//o2d2/ftp/usr/nullsoft/test media/20bit/Track 1.wav");
+ riff_chunk chunk;
+ while (read_riff_chunk(&reader, &chunk) == READ_OK)
+ {
+ printf_riff_chunk(&chunk, 0);
+ if (chunk.id == 'FFIR')
+ ParseRIFF(&reader, chunk.size, 1);
+ else
+ skip_chunk(&reader, &chunk);
+ }
+
+} \ No newline at end of file
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