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Merge "chan_pjsip: Check audio frame when remote SSRC changes." into 13

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This commit is contained in:
George Joseph
2020-03-10 11:58:56 -05:00
committed by Gerrit Code Review
parent 8f33d14d00 f0b6d24704
commit 6dc064b84f
1 changed files with 17 additions and 10 deletions
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27
channels/chan_pjsip.c
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@@ -731,6 +731,7 @@ static struct ast_frame *chan_pjsip_read(struct ast_channel *ast)
struct ast_sip_session_media *media = NULL;
int rtcp = 0;
int fdno = ast_channel_fdno(ast);
struct ast_frame *cur;
switch (fdno) {
case 0:
@@ -759,7 +760,13 @@ static struct ast_frame *chan_pjsip_read(struct ast_channel *ast)
ast_rtp_instance_set_last_rx(media->rtp, time(NULL));
if (f->frametype != AST_FRAME_VOICE) {
for (cur = f; cur; cur = AST_LIST_NEXT(cur, frame_list)) {
if (cur->frametype == AST_FRAME_VOICE) {
break;
}
}
if (!cur) {
return f;
}
@@ -771,36 +778,36 @@ static struct ast_frame *chan_pjsip_read(struct ast_channel *ast)
* raw read format BEFORE the native format check
*/
if (!session->endpoint->asymmetric_rtp_codec &&
ast_format_cmp(ast_channel_rawwriteformat(ast), f->subclass.format) == AST_FORMAT_CMP_NOT_EQUAL &&
ast_format_cap_iscompatible_format(session->joint_caps, f->subclass.format) == AST_FORMAT_CMP_EQUAL) {
ast_format_cmp(ast_channel_rawwriteformat(ast), cur->subclass.format) == AST_FORMAT_CMP_NOT_EQUAL &&
ast_format_cap_iscompatible_format(session->joint_caps, cur->subclass.format) == AST_FORMAT_CMP_EQUAL) {
struct ast_format_cap *caps;
/* For maximum compatibility we ensure that the formats match that of the received media */
ast_debug(1, "Oooh, got a frame with format of %s on channel '%s' when we're sending '%s', switching to match\n",
ast_format_get_name(f->subclass.format), ast_channel_name(ast),
ast_format_get_name(cur->subclass.format), ast_channel_name(ast),
ast_format_get_name(ast_channel_rawwriteformat(ast)));
caps = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
if (caps) {
ast_format_cap_append_from_cap(caps, ast_channel_nativeformats(ast), AST_MEDIA_TYPE_UNKNOWN);
ast_format_cap_remove_by_type(caps, AST_MEDIA_TYPE_AUDIO);
ast_format_cap_append(caps, f->subclass.format, 0);
ast_format_cap_append(caps, cur->subclass.format, 0);
ast_channel_nativeformats_set(ast, caps);
ao2_ref(caps, -1);
}
ast_set_write_format_path(ast, ast_channel_writeformat(ast), f->subclass.format);
ast_set_read_format_path(ast, ast_channel_readformat(ast), f->subclass.format);
ast_set_write_format_path(ast, ast_channel_writeformat(ast), cur->subclass.format);
ast_set_read_format_path(ast, ast_channel_readformat(ast), cur->subclass.format);
if (ast_channel_is_bridged(ast)) {
ast_channel_set_unbridged_nolock(ast, 1);
}
}
if (ast_format_cap_iscompatible_format(ast_channel_nativeformats(ast), f->subclass.format) == AST_FORMAT_CMP_NOT_EQUAL) {
if (ast_format_cap_iscompatible_format(ast_channel_nativeformats(ast), cur->subclass.format)
== AST_FORMAT_CMP_NOT_EQUAL) {
ast_debug(1, "Oooh, got a frame with format of %s on channel '%s' when it has not been negotiated\n",
ast_format_get_name(f->subclass.format), ast_channel_name(ast));
ast_format_get_name(cur->subclass.format), ast_channel_name(ast));
ast_frfree(f);
return &ast_null_frame;
}