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Diffstat (limited to 'libavformat/rtmpproto.c')
-rw-r--r--libavformat/rtmpproto.c72
1 files changed, 59 insertions, 13 deletions
diff --git a/libavformat/rtmpproto.c b/libavformat/rtmpproto.c
index 2feb2409ba..c7db91de9e 100644
--- a/libavformat/rtmpproto.c
+++ b/libavformat/rtmpproto.c
@@ -44,6 +44,8 @@
#define APP_MAX_LENGTH 128
#define PLAYPATH_MAX_LENGTH 256
+#define TCURL_MAX_LENGTH 512
+#define FLASHVER_MAX_LENGTH 64
/** RTMP protocol handler state */
typedef enum {
@@ -82,6 +84,9 @@ typedef struct RTMPContext {
int flv_header_bytes; ///< number of initialized bytes in flv_header
int nb_invokes; ///< keeps track of invoke messages
int create_stream_invoke; ///< invoke id for the create stream command
+ char* tcurl; ///< url of the target stream
+ char* flashver; ///< version of the flash plugin
+ char* swfurl; ///< url of the swf player
} RTMPContext;
#define PLAYER_KEY_OPEN_PART_LEN 30 ///< length of partial key used for first client digest signing
@@ -110,35 +115,34 @@ static const uint8_t rtmp_server_key[] = {
/**
* Generate 'connect' call and send it to the server.
*/
-static void gen_connect(URLContext *s, RTMPContext *rt, const char *proto,
- const char *host, int port)
+static void gen_connect(URLContext *s, RTMPContext *rt)
{
RTMPPacket pkt;
- uint8_t ver[64], *p;
- char tcurl[512];
+ uint8_t *p;
ff_rtmp_packet_create(&pkt, RTMP_SYSTEM_CHANNEL, RTMP_PT_INVOKE, 0, 4096);
p = pkt.data;
- ff_url_join(tcurl, sizeof(tcurl), proto, NULL, host, port, "/%s", rt->app);
ff_amf_write_string(&p, "connect");
ff_amf_write_number(&p, ++rt->nb_invokes);
ff_amf_write_object_start(&p);
ff_amf_write_field_name(&p, "app");
ff_amf_write_string(&p, rt->app);
- if (rt->is_input) {
- snprintf(ver, sizeof(ver), "%s %d,%d,%d,%d", RTMP_CLIENT_PLATFORM, RTMP_CLIENT_VER1,
- RTMP_CLIENT_VER2, RTMP_CLIENT_VER3, RTMP_CLIENT_VER4);
- } else {
- snprintf(ver, sizeof(ver), "FMLE/3.0 (compatible; %s)", LIBAVFORMAT_IDENT);
+ if (!rt->is_input) {
ff_amf_write_field_name(&p, "type");
ff_amf_write_string(&p, "nonprivate");
}
ff_amf_write_field_name(&p, "flashVer");
- ff_amf_write_string(&p, ver);
+ ff_amf_write_string(&p, rt->flashver);
+
+ if (rt->swfurl) {
+ ff_amf_write_field_name(&p, "swfUrl");
+ ff_amf_write_string(&p, rt->swfurl);
+ }
+
ff_amf_write_field_name(&p, "tcUrl");
- ff_amf_write_string(&p, tcurl);
+ ff_amf_write_string(&p, rt->tcurl);
if (rt->is_input) {
ff_amf_write_field_name(&p, "fpad");
ff_amf_write_bool(&p, 0);
@@ -369,6 +373,25 @@ static void gen_server_bw(URLContext *s, RTMPContext *rt)
}
/**
+ * Generate check bandwidth message and send it to the server.
+ */
+static void gen_check_bw(URLContext *s, RTMPContext *rt)
+{
+ RTMPPacket pkt;
+ uint8_t *p;
+
+ ff_rtmp_packet_create(&pkt, RTMP_SYSTEM_CHANNEL, RTMP_PT_INVOKE, 0, 21);
+
+ p = pkt.data;
+ ff_amf_write_string(&p, "_checkbw");
+ ff_amf_write_number(&p, ++rt->nb_invokes);
+ ff_amf_write_null(&p);
+
+ ff_rtmp_packet_write(rt->stream, &pkt, rt->chunk_size, rt->prev_pkt[1]);
+ ff_rtmp_packet_destroy(&pkt);
+}
+
+/**
* Generate report on bytes read so far and send it to the server.
*/
static void gen_bytes_read(URLContext *s, RTMPContext *rt, uint32_t ts)
@@ -687,6 +710,8 @@ static int rtmp_parse_result(URLContext *s, RTMPContext *rt, RTMPPacket *pkt)
if (!t && !strcmp(tmpstr, "NetStream.Play.Stop")) rt->state = STATE_STOPPED;
if (!t && !strcmp(tmpstr, "NetStream.Play.UnpublishNotify")) rt->state = STATE_STOPPED;
if (!t && !strcmp(tmpstr, "NetStream.Publish.Start")) rt->state = STATE_PUBLISHING;
+ } else if (!memcmp(pkt->data, "\002\000\010onBWDone", 11)) {
+ gen_check_bw(s, rt);
}
break;
}
@@ -910,13 +935,31 @@ static int rtmp_open(URLContext *s, const char *uri, int flags)
strncat(rt->playpath, fname, PLAYPATH_MAX_LENGTH - 5);
}
+ if (!rt->tcurl) {
+ rt->tcurl = av_malloc(TCURL_MAX_LENGTH);
+ ff_url_join(rt->tcurl, TCURL_MAX_LENGTH, proto, NULL, hostname,
+ port, "/%s", rt->app);
+ }
+
+ if (!rt->flashver) {
+ rt->flashver = av_malloc(FLASHVER_MAX_LENGTH);
+ if (rt->is_input) {
+ snprintf(rt->flashver, FLASHVER_MAX_LENGTH, "%s %d,%d,%d,%d",
+ RTMP_CLIENT_PLATFORM, RTMP_CLIENT_VER1, RTMP_CLIENT_VER2,
+ RTMP_CLIENT_VER3, RTMP_CLIENT_VER4);
+ } else {
+ snprintf(rt->flashver, FLASHVER_MAX_LENGTH,
+ "FMLE/3.0 (compatible; %s)", LIBAVFORMAT_IDENT);
+ }
+ }
+
rt->client_report_size = 1048576;
rt->bytes_read = 0;
rt->last_bytes_read = 0;
av_log(s, AV_LOG_DEBUG, "Proto = %s, path = %s, app = %s, fname = %s\n",
proto, path, rt->app, rt->playpath);
- gen_connect(s, rt, proto, hostname, port);
+ gen_connect(s, rt);
do {
ret = get_packet(s, 1);
@@ -1052,11 +1095,14 @@ static int rtmp_write(URLContext *s, const uint8_t *buf, int size)
static const AVOption rtmp_options[] = {
{"rtmp_app", "Name of application to connect to on the RTMP server", OFFSET(app), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
+ {"rtmp_flashver", "Version of the Flash plugin used to run the SWF player.", OFFSET(flashver), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
{"rtmp_live", "Specify that the media is a live stream.", OFFSET(live), AV_OPT_TYPE_INT, {-2}, INT_MIN, INT_MAX, DEC, "rtmp_live"},
{"any", "both", 0, AV_OPT_TYPE_CONST, {-2}, 0, 0, DEC, "rtmp_live"},
{"live", "live stream", 0, AV_OPT_TYPE_CONST, {-1}, 0, 0, DEC, "rtmp_live"},
{"recorded", "recorded stream", 0, AV_OPT_TYPE_CONST, {0}, 0, 0, DEC, "rtmp_live"},
{"rtmp_playpath", "Stream identifier to play or to publish", OFFSET(playpath), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
+ {"rtmp_swfurl", "URL of the SWF player. By default no value will be sent", OFFSET(swfurl), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
+ {"rtmp_tcurl", "URL of the target stream. Defaults to rtmp://host[:port]/app.", OFFSET(tcurl), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
{ NULL },
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-14 03:43:15 +0000