Merge commit '48a4ffa722c0874b251de9d201babed52cef0bcb'

* commit '48a4ffa722c0874b251de9d201babed52cef0bcb':
  asf: K&R formatting cosmetics
  vc1dec: use codec_id instead of codec_tag for VC1IMAGE
  sh4: drop unused functions

Conflicts:
	libavformat/asf.c
	libavformat/asfdec.c
	libavformat/asfenc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 36 insertions, 26 deletions

diff --git a/libavformat/asfcrypt.c b/libavformat/asfcrypt.c
index 6a51c0426e..a402758d0a 100644
--- a/libavformat/asfcrypt.c
+++ b/libavformat/asfcrypt.c
@@ -20,10 +20,10 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavutil/common.h"
-#include "libavutil/intreadwrite.h"
 #include "libavutil/bswap.h"
+#include "libavutil/common.h"
 #include "libavutil/des.h"
+#include "libavutil/intreadwrite.h"
 #include "libavutil/rc4.h"
 #include "asfcrypt.h"
 
@@ -32,7 +32,8 @@
  * @param v number to invert, must be odd!
  * @return number so that result * v = 1 (mod 2^32)
  */
-static uint32_t inverse(uint32_t v) {
+static uint32_t inverse(uint32_t v)
+{
     // v ^ 3 gives the inverse (mod 16), could also be implemented
     // as table etc. (only lowest 4 bits matter!)
     uint32_t inverse = v * v * v;
@@ -50,7 +51,8 @@ static uint32_t inverse(uint32_t v) {
  * @param keys output key array containing the keys for encryption in
  *             native endianness
  */
-static void multiswap_init(const uint8_t keybuf[48], uint32_t keys[12]) {
+static void multiswap_init(const uint8_t keybuf[48], uint32_t keys[12])
+{
     int i;
     for (i = 0; i < 12; i++)
         keys[i] = AV_RL32(keybuf + (i << 2)) | 1;
@@ -61,7 +63,8 @@ static void multiswap_init(const uint8_t keybuf[48], uint32_t keys[12]) {
  *        the other way round.
  * @param keys key array of ints to invert
  */
-static void multiswap_invert_keys(uint32_t keys[12]) {
+static void multiswap_invert_keys(uint32_t keys[12])
+{
     int i;
     for (i = 0; i < 5; i++)
         keys[i] = inverse(keys[i]);
@@ -69,23 +72,25 @@ static void multiswap_invert_keys(uint32_t keys[12]) {
         keys[i] = inverse(keys[i]);
 }
 
-static uint32_t multiswap_step(const uint32_t keys[12], uint32_t v) {
+static uint32_t multiswap_step(const uint32_t keys[12], uint32_t v)
+{
     int i;
     v *= keys[0];
     for (i = 1; i < 5; i++) {
-        v = (v >> 16) | (v << 16);
+        v  = (v >> 16) | (v << 16);
         v *= keys[i];
     }
     v += keys[5];
     return v;
 }
 
-static uint32_t multiswap_inv_step(const uint32_t keys[12], uint32_t v) {
+static uint32_t multiswap_inv_step(const uint32_t keys[12], uint32_t v)
+{
     int i;
     v -= keys[5];
     for (i = 4; i > 0; i--) {
         v *= keys[i];
-        v = (v >> 16) | (v << 16);
+        v  = (v >> 16) | (v << 16);
     }
     v *= keys[0];
     return v;
@@ -99,17 +104,19 @@ static uint32_t multiswap_inv_step(const uint32_t keys[12], uint32_t v) {
  * @param data data to encrypt
  * @return encrypted data
  */
-static uint64_t multiswap_enc(const uint32_t keys[12], uint64_t key, uint64_t data) {
+static uint64_t multiswap_enc(const uint32_t keys[12],
+                              uint64_t key, uint64_t data)
+{
     uint32_t a = data;
     uint32_t b = data >> 32;
     uint32_t c;
     uint32_t tmp;
-    a += key;
-    tmp = multiswap_step(keys    , a);
-    b += tmp;
-    c = (key >> 32) + tmp;
+    a  += key;
+    tmp = multiswap_step(keys, a);
+    b  += tmp;
+    c   = (key >> 32) + tmp;
     tmp = multiswap_step(keys + 6, b);
-    c += tmp;
+    c  += tmp;
     return ((uint64_t)c << 32) | tmp;
 }
 
@@ -121,25 +128,28 @@ static uint64_t multiswap_enc(const uint32_t keys[12], uint64_t key, uint64_t da
  * @param data data to decrypt
  * @return decrypted data
  */
-static uint64_t multiswap_dec(const uint32_t keys[12], uint64_t key, uint64_t data) {
+static uint64_t multiswap_dec(const uint32_t keys[12],
+                              uint64_t key, uint64_t data)
+{
     uint32_t a;
     uint32_t b;
-    uint32_t c = data >> 32;
+    uint32_t c   = data >> 32;
     uint32_t tmp = data;
-    c -= tmp;
-    b = multiswap_inv_step(keys + 6, tmp);
+    c  -= tmp;
+    b   = multiswap_inv_step(keys + 6, tmp);
     tmp = c - (key >> 32);
-    b -= tmp;
-    a = multiswap_inv_step(keys    , tmp);
-    a -= key;
+    b  -= tmp;
+    a   = multiswap_inv_step(keys, tmp);
+    a  -= key;
     return ((uint64_t)b << 32) | a;
 }
 
-void ff_asfcrypt_dec(const uint8_t key[20], uint8_t *data, int len) {
+void ff_asfcrypt_dec(const uint8_t key[20], uint8_t *data, int len)
+{
     struct AVDES des;
     struct AVRC4 rc4;
-    int num_qwords = len >> 3;
-    uint8_t *qwords = data;
+    int num_qwords      = len >> 3;
+    uint8_t *qwords     = data;
     uint64_t rc4buff[8] = { 0 };
     uint64_t packetkey;
     uint32_t ms_keys[12];
@@ -155,7 +165,7 @@ void ff_asfcrypt_dec(const uint8_t key[20], uint8_t *data, int len) {
     av_rc4_crypt(&rc4, (uint8_t *)rc4buff, NULL, sizeof(rc4buff), NULL, 1);
     multiswap_init((uint8_t *)rc4buff, ms_keys);
 
-    packetkey = AV_RN64(&qwords[num_qwords*8 - 8]);
+    packetkey  = AV_RN64(&qwords[num_qwords * 8 - 8]);
     packetkey ^= rc4buff[7];
     av_des_init(&des, key + 12, 64, 1);
     av_des_crypt(&des, (uint8_t *)&packetkey, (uint8_t *)&packetkey, 1, NULL, 1);