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[cast] Make GET_CAPABILITIES request in debug mode

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Note that not all devices support this request
This commit is contained in:
ejurgensen 2020-11-03 23:17:26 +01:00
parent 92953f1a2c
commit ad4b886a11
1 changed files with 52 additions and 5 deletions
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57
src/outputs/cast.c
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@ -128,7 +128,7 @@
* OPUS encoded * OPUS encoded
*/ */
//#define DEBUG_CONNECTION 1 //#define DEBUG_CHROMECAST 1
union sockaddr_all union sockaddr_all
{ {
@ -272,6 +272,8 @@ enum cast_msg_types
MEDIA_LOAD_CANCELLED, MEDIA_LOAD_CANCELLED,
SET_VOLUME, SET_VOLUME,
PRESENTATION, PRESENTATION,
GET_CAPABILITIES,
CAPABILITIES_RESPONSE,
}; };
struct cast_msg_basic struct cast_msg_basic
@ -442,6 +444,18 @@ struct cast_msg_basic cast_msg[] =
.payload = "{'type':'PRESENTATION','sessionId':'%s','seqNum':%u,'title':'forked-daapd','icons':[{'url':'http://www.gyfgafguf.dk/images/fugl.jpg'}] }", .payload = "{'type':'PRESENTATION','sessionId':'%s','seqNum':%u,'title':'forked-daapd','icons':[{'url':'http://www.gyfgafguf.dk/images/fugl.jpg'}] }",
.flags = USE_TRANSPORT_ID | USE_REQUEST_ID, .flags = USE_TRANSPORT_ID | USE_REQUEST_ID,
}, },
{
// This message is useful for diagnostics, since it will return the
// codecs that the device supports, but doesn't work for all devices
.type = GET_CAPABILITIES,
.namespace = NS_WEBRTC,
.payload = "{'type':'GET_CAPABILITIES','seqNum':%u}",
.flags = USE_TRANSPORT_ID | USE_REQUEST_ID_ONLY,
},
{
.type = CAPABILITIES_RESPONSE,
.tag = "CAPABILITIES_RESPONSE",
},
{ {
.type = 0, .type = 0,
}, },
@ -648,7 +662,7 @@ cast_msg_send(struct cast_session *cs, enum cast_msg_types type, cast_reply_cb r
size_t len; size_t len;
int ret; int ret;
#ifdef DEBUG_CONNECTION #ifdef DEBUG_CHROMECAST
DPRINTF(E_DBG, L_CAST, "Preparing to send message type %d to '%s'\n", type, cs->devname); DPRINTF(E_DBG, L_CAST, "Preparing to send message type %d to '%s'\n", type, cs->devname);
#endif #endif
@ -830,7 +844,7 @@ cast_msg_process(struct cast_session *cs, const uint8_t *data, size_t len)
int unknown_session_id; int unknown_session_id;
int i; int i;
#ifdef DEBUG_CONNECTION #ifdef DEBUG_CHROMECAST
char *b64 = b64_encode(data, len); char *b64 = b64_encode(data, len);
if (b64) if (b64)
{ {
@ -1046,6 +1060,35 @@ cast_cb_startup_offer(struct cast_session *cs, struct cast_msg_payload *payload)
cast_session_shutdown(cs, CAST_STATE_FAILED); cast_session_shutdown(cs, CAST_STATE_FAILED);
} }
#ifdef DEBUG_CHROMECAST
// Not all Chromecast devices support this request, so only use for debug
static void
cast_cb_startup_get_capabilities(struct cast_session *cs, struct cast_msg_payload *payload)
{
int ret;
if (!payload)
{
DPRINTF(E_LOG, L_CAST, "No reply to our GET_CAPABILITIES - aborting\n");
goto error;
}
else if (payload->type != CAPABILITIES_RESPONSE)
{
DPRINTF(E_LOG, L_CAST, "No CAPABILITIES_RESPONSE reply to our GET_CAPABILITIES (got type: %d) - aborting\n", payload->type);
goto error;
}
ret = cast_msg_send(cs, OFFER, cast_cb_startup_offer);
if (ret < 0)
goto error;
return;
error:
cast_session_shutdown(cs, CAST_STATE_FAILED);
}
#endif
static void static void
cast_cb_startup_media(struct cast_session *cs, struct cast_msg_payload *payload) cast_cb_startup_media(struct cast_session *cs, struct cast_msg_payload *payload)
{ {
@ -1062,7 +1105,11 @@ cast_cb_startup_media(struct cast_session *cs, struct cast_msg_payload *payload)
goto error; goto error;
} }
#ifdef DEBUG_CHROMECAST
ret = cast_msg_send(cs, GET_CAPABILITIES, cast_cb_startup_get_capabilities);
#else
ret = cast_msg_send(cs, OFFER, cast_cb_startup_offer); ret = cast_msg_send(cs, OFFER, cast_cb_startup_offer);
#endif
if (ret < 0) if (ret < 0)
goto error; goto error;
@ -1254,7 +1301,7 @@ cast_listen_cb(int fd, short what, void *arg)
goto fail; goto fail;
} }
#ifdef DEBUG_CONNECTION #ifdef DEBUG_CHROMECAST
DPRINTF(E_DBG, L_CAST, "New data from '%s'\n", cs->devname); DPRINTF(E_DBG, L_CAST, "New data from '%s'\n", cs->devname);
#endif #endif
@ -1281,7 +1328,7 @@ cast_listen_cb(int fd, short what, void *arg)
received += ret; received += ret;
#ifdef DEBUG_CONNECTION #ifdef DEBUG_CHROMECAST
DPRINTF(E_DBG, L_CAST, "Received %d bytes out of expected %zu bytes\n", received, len); DPRINTF(E_DBG, L_CAST, "Received %d bytes out of expected %zu bytes\n", received, len);
#endif #endif
} }