codec_builtin: Use multiples of 20 for maximum_ms

Some providers require a multiple of 20 for the maxptime or fail to complete calls,
e.g. Vivo in Brazil. To increase compatibility, only multiples of 20 are now used.

Resolves: #260

main/codec_builtin.c

@@ -146,7 +146,7 @@ static struct ast_codec none = {
 	.type = AST_MEDIA_TYPE_AUDIO,
 	.sample_rate = 8000, /* This must have some sample rate to prevent divide by 0 */
 	.minimum_ms = 10,
-	.maximum_ms = 150,
+	.maximum_ms = 140,
 	.default_ms = 20,
 	.minimum_bytes = 20,
 	.samples_count = none_samples,
@@ -169,7 +169,7 @@ static struct ast_codec ulaw = {
 	.type = AST_MEDIA_TYPE_AUDIO,
 	.sample_rate = 8000,
 	.minimum_ms = 10,
-	.maximum_ms = 150,
+	.maximum_ms = 140,
 	.default_ms = 20,
 	.minimum_bytes = 80,
 	.samples_count = ulaw_samples,
@@ -183,7 +183,7 @@ static struct ast_codec alaw = {
 	.type = AST_MEDIA_TYPE_AUDIO,
 	.sample_rate = 8000,
 	.minimum_ms = 10,
-	.maximum_ms = 150,
+	.maximum_ms = 140,
 	.default_ms = 20,
 	.minimum_bytes = 80,
 	.samples_count = ulaw_samples,
@@ -283,7 +283,7 @@ static struct ast_codec slin8 = {
 	.type = AST_MEDIA_TYPE_AUDIO,
 	.sample_rate = 8000,
 	.minimum_ms = 10,
-	.maximum_ms = 70,
+	.maximum_ms = 60,
 	.default_ms = 20,
 	.minimum_bytes = 160,
 	.samples_count = slin_samples,
@@ -298,7 +298,7 @@ static struct ast_codec slin12 = {
 	.type = AST_MEDIA_TYPE_AUDIO,
 	.sample_rate = 12000,
 	.minimum_ms = 10,
-	.maximum_ms = 70,
+	.maximum_ms = 60,
 	.default_ms = 20,
 	.minimum_bytes = 240,
 	.samples_count = slin_samples,
@@ -313,7 +313,7 @@ static struct ast_codec slin16 = {
 	.type = AST_MEDIA_TYPE_AUDIO,
 	.sample_rate = 16000,
 	.minimum_ms = 10,
-	.maximum_ms = 70,
+	.maximum_ms = 60,
 	.default_ms = 20,
 	.minimum_bytes = 320,
 	.samples_count = slin_samples,
@@ -328,7 +328,7 @@ static struct ast_codec slin24 = {
 	.type = AST_MEDIA_TYPE_AUDIO,
 	.sample_rate = 24000,
 	.minimum_ms = 10,
-	.maximum_ms = 70,
+	.maximum_ms = 60,
 	.default_ms = 20,
 	.minimum_bytes = 480,
 	.samples_count = slin_samples,
@@ -343,7 +343,7 @@ static struct ast_codec slin32 = {
 	.type = AST_MEDIA_TYPE_AUDIO,
 	.sample_rate = 32000,
 	.minimum_ms = 10,
-	.maximum_ms = 70,
+	.maximum_ms = 60,
 	.default_ms = 20,
 	.minimum_bytes = 640,
 	.samples_count = slin_samples,
@@ -358,7 +358,7 @@ static struct ast_codec slin44 = {
 	.type = AST_MEDIA_TYPE_AUDIO,
 	.sample_rate = 44100,
 	.minimum_ms = 10,
-	.maximum_ms = 70,
+	.maximum_ms = 60,
 	.default_ms = 20,
 	.minimum_bytes = 882,
 	.samples_count = slin_samples,
@@ -373,7 +373,7 @@ static struct ast_codec slin48 = {
 	.type = AST_MEDIA_TYPE_AUDIO,
 	.sample_rate = 48000,
 	.minimum_ms = 10,
-	.maximum_ms = 70,
+	.maximum_ms = 60,
 	.default_ms = 20,
 	.minimum_bytes = 960,
 	.samples_count = slin_samples,
@@ -388,7 +388,7 @@ static struct ast_codec slin96 = {
 	.type = AST_MEDIA_TYPE_AUDIO,
 	.sample_rate = 96000,
 	.minimum_ms = 10,
-	.maximum_ms = 70,
+	.maximum_ms = 60,
 	.default_ms = 20,
 	.minimum_bytes = 1920,
 	.samples_count = slin_samples,
@@ -403,7 +403,7 @@ static struct ast_codec slin192 = {
 	.type = AST_MEDIA_TYPE_AUDIO,
 	.sample_rate = 192000,
 	.minimum_ms = 10,
-	.maximum_ms = 70,
+	.maximum_ms = 60,
 	.default_ms = 20,
 	.minimum_bytes = 3840,
 	.samples_count = slin_samples,
@@ -451,7 +451,7 @@ static struct ast_codec g729a = {
 	.type = AST_MEDIA_TYPE_AUDIO,
 	.sample_rate = 8000,
 	.minimum_ms = 10,
-	.maximum_ms = 230,
+	.maximum_ms = 220,
 	.default_ms = 20,
 	.minimum_bytes = 10,
 	.samples_count = g729_samples,
@@ -649,7 +649,7 @@ static struct ast_codec g722 = {
 	.type = AST_MEDIA_TYPE_AUDIO,
 	.sample_rate = 16000,
 	.minimum_ms = 10,
-	.maximum_ms = 150,
+	.maximum_ms = 140,
 	.default_ms = 20,
 	.minimum_bytes = 80,
 	.samples_count = g726_samples,