Changeset 151 for libmpc/branches/r2d/libmpcdec/mpc_demux.c

Timestamp:

11/25/06 15:19:25 (17 years ago)

Author:

r2d

Message:

• updated libmpcdec win32 project files
• removed some libmpcdec warnings in msvc

File:

• libmpc/branches/r2d/libmpcdec/mpc_demux.c (modified) (15 diffs)

libmpc/branches/r2d/libmpcdec/mpc_demux.c

@@ -33 +33 @@
 */
 
+#include <string.h>
 #include <mpcdec/streaminfo.h>
 #include <mpcdec/mpcdec.h>
@@ -114 +115 @@
  */
 static void
-mpc_demux_seek(mpc_demux * d, mpc_uint32_t fpos, mpc_uint32_t min_bytes) {
+mpc_demux_seek(mpc_demux * d, mpc_size_t fpos, mpc_uint32_t min_bytes) {
 //      mpc_uint32_t cur_pos = d->r->tell(d->r);
-        mpc_uint32_t next_pos;
+        mpc_size_t next_pos;
         mpc_int_t bit_offset;
 
@@ -123 +124 @@
         next_pos = fpos >> 3;
         if (d->si.stream_version == 7)
-                next_pos &= (-1u << 2);
-        bit_offset = fpos - (next_pos << 3);
+                next_pos &= (-1 << 2);
+        bit_offset = (int) (fpos - (next_pos << 3));
         next_pos += d->si.header_position; // add id3 offset
 
-        d->r->seek(d->r, next_pos);
+        d->r->seek(d->r, (mpc_int32_t) next_pos);
         mpc_demux_clear_buff(d);
         if (d->si.stream_version == 7)
@@ -155 +156 @@
         if (d->si.block_pwr > d->seek_pwr)
                 d->seek_pwr = d->si.block_pwr;
-        d->seek_table = malloc((1 + d->si.samples / (MPC_FRAME_LENGTH << d->seek_pwr)) * sizeof(mpc_uint32_t));
+        d->seek_table = malloc((size_t)(1 + d->si.samples / (MPC_FRAME_LENGTH << d->seek_pwr)) * sizeof(mpc_uint32_t));
         if (d->seek_table == 0)
                 return MPC_STATUS_FILE;
-        d->seek_table[0] = mpc_demux_pos(d);
+        d->seek_table[0] = (mpc_uint32_t)mpc_demux_pos(d);
         d->seek_table_size = 1;
 
@@ -175 +176 @@
 
         mpc_bits_get_size(&r, &tmp);
-        d->seek_table_size = tmp;
+        d->seek_table_size = (mpc_uint32_t) tmp;
         d->seek_pwr = d->si.block_pwr + mpc_bits_read(&r, 4);
-        d->seek_table = malloc((1 + d->si.samples / (MPC_FRAME_LENGTH << d->seek_pwr)) * sizeof(mpc_uint32_t));
+        d->seek_table = malloc((size_t)(1 + d->si.samples / (MPC_FRAME_LENGTH << d->seek_pwr)) * sizeof(mpc_uint32_t));
 
         table = d->seek_table;
         mpc_bits_get_size(&r, &tmp);
-        table[0] = (tmp + d->si.header_position) * 8;
+        table[0] = (mpc_uint32_t) (tmp + d->si.header_position) * 8;
 
         if (d->seek_table_size == 1)
@@ -187 +188 @@
 
         mpc_bits_get_size(&r, &tmp);
-        table[1] = (tmp + d->si.header_position) * 8;
+        table[1] = (mpc_uint32_t) (tmp + d->si.header_position) * 8;
 
         for (i = 2; i < d->seek_table_size; i++) {
                 int code = mpc_bits_golomb_dec(&r, 12);
                 if (code & 1)
-                        code = -(code & (-1u << 1));
+                        code = -(code & (-1 << 1));
                 code <<= 2;
                 table[i] = code + 2 * table[i-1] - table[i-2];
@@ -209 +210 @@
         mpc_bits_get_block(&d->bits_reader, &b);
         if (memcmp(b.key, "ST", 2) == 0) {
-                mpc_demux_fill(d, b.size, 0);
+                mpc_demux_fill(d, (mpc_uint32_t) b.size, 0);
                 mpc_demux_ST(d);
         }
@@ -253 +254 @@
                 size = mpc_bits_get_block(&d->bits_reader, &b);
                 while( memcmp(b.key, "AD", 2) != 0 ){ // scan all blocks until audio
-                        mpc_demux_fill(d, 11 + b.size, 0);
+                        mpc_demux_fill(d, 11 + (mpc_uint32_t) b.size, 0);
                         if (memcmp(b.key, "SI", 2) == 0){
-                                int ret = streaminfo_read_header_sv8(&d->si, &d->bits_reader, b.size);
+                                int ret = streaminfo_read_header_sv8(&d->si, &d->bits_reader, (mpc_uint32_t) b.size);
                                 if (ret != MPC_STATUS_OK) return ret;
                         } else if (memcmp(b.key, "EI", 2) == 0)
                                 streaminfo_encoder_info(&d->si, &d->bits_reader);
                         else if (memcmp(b.key, "SP", 2) == 0)
-                                mpc_demux_SP(d, size, b.size);
+                                mpc_demux_SP(d, size, (mpc_uint32_t) b.size);
                         else if (memcmp(b.key, "ST", 2) == 0)
                                 mpc_demux_ST(d);
@@ -315 +316 @@
                         d->bits_reader.count &= -8;
                         if (d->d->decoded_samples == (d->seek_table_size << d->seek_pwr) * MPC_FRAME_LENGTH) {
-                                d->seek_table[d->seek_table_size] = mpc_demux_pos(d);
+                                d->seek_table[d->seek_table_size] = (mpc_uint32_t) mpc_demux_pos(d);
                                 d->seek_table_size ++;
                         }
@@ -325 +326 @@
                                         break;
                                 }
-                                mpc_demux_fill(d, 11 + b.size, 0);
+                                mpc_demux_fill(d, 11 + (mpc_uint32_t) b.size, 0);
                                 d->bits_reader.buff += b.size;
                                 mpc_bits_get_block(&d->bits_reader, &b);
                         }
-                        d->block_bits = b.size * 8;
+                        d->block_bits = (mpc_uint32_t) b.size * 8;
                 }
                 // FIXME : this is not good if block size > buffer size
@@ -337 +338 @@
                 d->block_bits -= ((d->bits_reader.buff - r.buff) << 3) + r.count - d->bits_reader.count;
         } else {
+                mpc_bits_reader r;
                 if (d->d->decoded_samples == (d->seek_table_size << d->seek_pwr) * MPC_FRAME_LENGTH) {
-                        d->seek_table[d->seek_table_size] = mpc_demux_pos(d);
+                        d->seek_table[d->seek_table_size] = (mpc_uint32_t) mpc_demux_pos(d);
                         d->seek_table_size ++;
                 }
-                mpc_bits_reader r;
                 mpc_demux_fill(d, MAX_FRAME_SIZE, MPC_BUFFER_FULL | MPC_BUFFER_SWAP);
                 mpc_bits_read(&d->bits_reader, 20); // read frame size
@@ -354 +355 @@
 }
 
-mpc_status mpc_demux_seek_sample(mpc_demux * d, mpc_int64_t destsample)
+mpc_status mpc_demux_seek_sample(mpc_demux * d, mpc_uint64_t destsample)
 {
         mpc_uint32_t fwd, samples_to_skip, fpos, i;
@@ -388 +389 @@
                         if (memcmp(b.key, "AD", 2) == 0) {
                                 if (d->d->decoded_samples == (d->seek_table_size << d->seek_pwr) * MPC_FRAME_LENGTH) {
-                                        d->seek_table[d->seek_table_size] = mpc_demux_pos(d) - 8 * size;
+                                        d->seek_table[d->seek_table_size] = (mpc_uint32_t) mpc_demux_pos(d) - 8 * size;
                                         d->seek_table_size ++;
                                 }
@@ -394 +395 @@
                                 i++;
                         }
-                        fpos += (b.size + size) * 8;
+                        fpos += ((mpc_uint32_t)b.size + size) * 8;
                         mpc_demux_seek(d, fpos, 11);
                         size = mpc_bits_get_block(&d->bits_reader, &b);
@@ -404 +405 @@
                 for( ; i < fwd; i++){
                         if (d->d->decoded_samples == (d->seek_table_size << d->seek_pwr) * MPC_FRAME_LENGTH) {
-                                d->seek_table[d->seek_table_size] = mpc_demux_pos(d);
+                                d->seek_table[d->seek_table_size] = (mpc_uint32_t) mpc_demux_pos(d);
                                 d->seek_table_size ++;
                         }