Check available size before writing in decode_frame()

[ffmpeg] / libavcodec / dcadata.h

diff --git a/libavcodec/dcadata.h b/libavcodec/dcadata.h
index c9f2ca747bc78a55aadb494f2a20f67108b6a5cf..40e78360dce5c2313082155f405e0c1eb2dddf01 100644 (file)
--- a/libavcodec/dcadata.h
+++ b/libavcodec/dcadata.h
@@ -24,6 +24,11 @@
  * @file dcadata.c
  */
 
+#ifndef FFMPEG_DCADATA_H
+#define FFMPEG_DCADATA_H
+
+#include <stdint.h>
+
 /* Generic tables */
 
 static const uint32_t dca_sample_rates[16] =
@@ -7309,7 +7314,7 @@ static const float fir_32bands_nonperfect[] =
 +1.390191784E-007
 };
 
-//FIXME the coeffs are symetric
+//FIXME the coeffs are symmetric
 static const float lfe_fir_64[] =
 {
 2.6584343868307770E-004,
@@ -7826,7 +7831,7 @@ static const float lfe_fir_64[] =
 2.6584343868307770E-004
 };
 
-//FIXME the coeffs are symetric
+//FIXME the coeffs are symmetric
 
 static const float lfe_fir_128[] =
 {
@@ -8344,7 +8349,7 @@ static const float lfe_fir_128[] =
 0.00053168571
 };
 
-/* 10^-(dB/20), with dB beeing a list of dB values rangeing from 0 to -72 */
+/* 10^-(dB/20), with dB being a list of dB values ranging from 0 to -72 */
 /* do a 20*log10(dca_downmix_coeffs) to reconvert the values */
 
 static const float dca_downmix_coeffs[65] = {
@@ -8361,6 +8366,19 @@ static const float dca_downmix_coeffs[65] = {
   0.001412537544623, 0.001000000000000, 0.000501187233627, 0.000251188643151, 0.000000000000000,
 };
 
+static const uint8_t dca_default_coeffs[16][5][2] = {
+    { { 13, 13 },                                                 },
+    { {  0, 64 }, { 64,  0 },                                     },
+    { {  0, 64 }, { 64,  0 },                                     },
+    { {  0, 64 }, { 64,  0 },                                     },
+    { {  0, 64 }, { 64,  0 },                                     },
+    { {  6,  6 }, {  0, 25 }, { 25,  0 },                         },
+    { {  0, 25 }, { 25,  0 }, { 13, 13 },                         },
+    { {  6,  6 }, {  0, 25 }, { 25,  0 }, { 13, 13 },             },
+    { {  0, 25 }, { 25,  0 }, {  0, 13 }, { 13,  0 },             },
+    { {  6,  6 }, {  0, 25 }, { 25,  0 }, {  0, 13 }, { 13,  0 }, },
+};
+
 /* downmix coeffs
 
  TABLE 9
@@ -8452,3 +8470,5 @@ where Ch(n) represents the subband samples in the (n)th audio channel.
 
 
 */
+
+#endif /* FFMPEG_DCADATA_H */