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Diffstat (limited to 'libavformat/rtmpproto.c')
-rw-r--r--libavformat/rtmpproto.c249
1 files changed, 158 insertions, 91 deletions
diff --git a/libavformat/rtmpproto.c b/libavformat/rtmpproto.c
index 2ebb998187..31a8639215 100644
--- a/libavformat/rtmpproto.c
+++ b/libavformat/rtmpproto.c
@@ -880,75 +880,104 @@ static int rtmp_handshake(URLContext *s, RTMPContext *rt)
return 0;
}
-/**
- * Parse received packet and possibly perform some action depending on
- * the packet contents.
- * @return 0 for no errors, negative values for serious errors which prevent
- * further communications, positive values for uncritical errors
- */
-static int rtmp_parse_result(URLContext *s, RTMPContext *rt, RTMPPacket *pkt)
+static int handle_chunk_size(URLContext *s, RTMPPacket *pkt)
+{
+ RTMPContext *rt = s->priv_data;
+ int ret;
+
+ if (pkt->data_size != 4) {
+ av_log(s, AV_LOG_ERROR,
+ "Chunk size change packet is not 4 bytes long (%d)\n",
+ pkt->data_size);
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (!rt->is_input) {
+ if ((ret = ff_rtmp_packet_write(rt->stream, pkt, rt->chunk_size,
+ rt->prev_pkt[1])) < 0)
+ return ret;
+ }
+
+ rt->chunk_size = AV_RB32(pkt->data);
+ if (rt->chunk_size <= 0) {
+ av_log(s, AV_LOG_ERROR, "Incorrect chunk size %d\n", rt->chunk_size);
+ return AVERROR_INVALIDDATA;
+ }
+ av_log(s, AV_LOG_DEBUG, "New chunk size = %d\n", rt->chunk_size);
+
+ return 0;
+}
+
+static int handle_ping(URLContext *s, RTMPPacket *pkt)
+{
+ RTMPContext *rt = s->priv_data;
+ int t, ret;
+
+ t = AV_RB16(pkt->data);
+ if (t == 6) {
+ if ((ret = gen_pong(s, rt, pkt)) < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int handle_client_bw(URLContext *s, RTMPPacket *pkt)
{
+ RTMPContext *rt = s->priv_data;
+
+ if (pkt->data_size < 4) {
+ av_log(s, AV_LOG_ERROR,
+ "Client bandwidth report packet is less than 4 bytes long (%d)\n",
+ pkt->data_size);
+ return AVERROR_INVALIDDATA;
+ }
+
+ rt->client_report_size = AV_RB32(pkt->data);
+ if (rt->client_report_size <= 0) {
+ av_log(s, AV_LOG_ERROR, "Incorrect client bandwidth %d\n",
+ rt->client_report_size);
+ return AVERROR_INVALIDDATA;
+
+ }
+ av_log(s, AV_LOG_DEBUG, "Client bandwidth = %d\n", rt->client_report_size);
+ rt->client_report_size >>= 1;
+
+ return 0;
+}
+
+static int handle_server_bw(URLContext *s, RTMPPacket *pkt)
+{
+ RTMPContext *rt = s->priv_data;
+
+ rt->server_bw = AV_RB32(pkt->data);
+ if (rt->server_bw <= 0) {
+ av_log(s, AV_LOG_ERROR, "Incorrect server bandwidth %d\n",
+ rt->server_bw);
+ return AVERROR_INVALIDDATA;
+ }
+ av_log(s, AV_LOG_DEBUG, "Server bandwidth = %d\n", rt->server_bw);
+
+ return 0;
+}
+
+static int handle_invoke(URLContext *s, RTMPPacket *pkt)
+{
+ RTMPContext *rt = s->priv_data;
int i, t;
const uint8_t *data_end = pkt->data + pkt->data_size;
int ret;
-#ifdef DEBUG
- ff_rtmp_packet_dump(s, pkt);
-#endif
+ //TODO: check for the messages sent for wrong state?
+ if (!memcmp(pkt->data, "\002\000\006_error", 9)) {
+ uint8_t tmpstr[256];
- switch (pkt->type) {
- case RTMP_PT_CHUNK_SIZE:
- if (pkt->data_size != 4) {
- av_log(s, AV_LOG_ERROR,
- "Chunk size change packet is not 4 bytes long (%d)\n", pkt->data_size);
- return -1;
- }
- if (!rt->is_input)
- if ((ret = ff_rtmp_packet_write(rt->stream, pkt, rt->chunk_size,
- rt->prev_pkt[1])) < 0)
- return ret;
- rt->chunk_size = AV_RB32(pkt->data);
- if (rt->chunk_size <= 0) {
- av_log(s, AV_LOG_ERROR, "Incorrect chunk size %d\n", rt->chunk_size);
- return -1;
- }
- av_log(s, AV_LOG_DEBUG, "New chunk size = %d\n", rt->chunk_size);
- break;
- case RTMP_PT_PING:
- t = AV_RB16(pkt->data);
- if (t == 6)
- if ((ret = gen_pong(s, rt, pkt)) < 0)
- return ret;
- break;
- case RTMP_PT_CLIENT_BW:
- if (pkt->data_size < 4) {
- av_log(s, AV_LOG_ERROR,
- "Client bandwidth report packet is less than 4 bytes long (%d)\n",
- pkt->data_size);
- return -1;
- }
- av_log(s, AV_LOG_DEBUG, "Client bandwidth = %d\n", AV_RB32(pkt->data));
- rt->client_report_size = AV_RB32(pkt->data) >> 1;
- break;
- case RTMP_PT_SERVER_BW:
- rt->server_bw = AV_RB32(pkt->data);
- if (rt->server_bw <= 0) {
- av_log(s, AV_LOG_ERROR, "Incorrect server bandwidth %d\n", rt->server_bw);
- return AVERROR(EINVAL);
- }
- av_log(s, AV_LOG_DEBUG, "Server bandwidth = %d\n", rt->server_bw);
- break;
- case RTMP_PT_INVOKE:
- //TODO: check for the messages sent for wrong state?
- if (!memcmp(pkt->data, "\002\000\006_error", 9)) {
- uint8_t tmpstr[256];
-
- if (!ff_amf_get_field_value(pkt->data + 9, data_end,
- "description", tmpstr, sizeof(tmpstr)))
- av_log(s, AV_LOG_ERROR, "Server error: %s\n",tmpstr);
- return -1;
- } else if (!memcmp(pkt->data, "\002\000\007_result", 10)) {
- switch (rt->state) {
+ if (!ff_amf_get_field_value(pkt->data + 9, data_end,
+ "description", tmpstr, sizeof(tmpstr)))
+ av_log(s, AV_LOG_ERROR, "Server error: %s\n",tmpstr);
+ return -1;
+ } else if (!memcmp(pkt->data, "\002\000\007_result", 10)) {
+ switch (rt->state) {
case STATE_HANDSHAKED:
if (!rt->is_input) {
if ((ret = gen_release_stream(s, rt)) < 0)
@@ -996,35 +1025,73 @@ static int rtmp_parse_result(URLContext *s, RTMPContext *rt, RTMPPacket *pkt)
}
rt->state = STATE_READY;
break;
- }
- } else if (!memcmp(pkt->data, "\002\000\010onStatus", 11)) {
- const uint8_t* ptr = pkt->data + 11;
- uint8_t tmpstr[256];
-
- for (i = 0; i < 2; i++) {
- t = ff_amf_tag_size(ptr, data_end);
- if (t < 0)
- return 1;
- ptr += t;
- }
- t = ff_amf_get_field_value(ptr, data_end,
- "level", tmpstr, sizeof(tmpstr));
- if (!t && !strcmp(tmpstr, "error")) {
- if (!ff_amf_get_field_value(ptr, data_end,
- "description", tmpstr, sizeof(tmpstr)))
- av_log(s, AV_LOG_ERROR, "Server error: %s\n",tmpstr);
- return -1;
- }
- t = ff_amf_get_field_value(ptr, data_end,
- "code", tmpstr, sizeof(tmpstr));
- if (!t && !strcmp(tmpstr, "NetStream.Play.Start")) rt->state = STATE_PLAYING;
- 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)) {
- if ((ret = gen_check_bw(s, rt)) < 0)
- return ret;
}
+ } else if (!memcmp(pkt->data, "\002\000\010onStatus", 11)) {
+ const uint8_t* ptr = pkt->data + 11;
+ uint8_t tmpstr[256];
+
+ for (i = 0; i < 2; i++) {
+ t = ff_amf_tag_size(ptr, data_end);
+ if (t < 0)
+ return 1;
+ ptr += t;
+ }
+ t = ff_amf_get_field_value(ptr, data_end,
+ "level", tmpstr, sizeof(tmpstr));
+ if (!t && !strcmp(tmpstr, "error")) {
+ if (!ff_amf_get_field_value(ptr, data_end,
+ "description", tmpstr, sizeof(tmpstr)))
+ av_log(s, AV_LOG_ERROR, "Server error: %s\n",tmpstr);
+ return -1;
+ }
+ t = ff_amf_get_field_value(ptr, data_end,
+ "code", tmpstr, sizeof(tmpstr));
+ if (!t && !strcmp(tmpstr, "NetStream.Play.Start")) rt->state = STATE_PLAYING;
+ 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)) {
+ if ((ret = gen_check_bw(s, rt)) < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+/**
+ * Parse received packet and possibly perform some action depending on
+ * the packet contents.
+ * @return 0 for no errors, negative values for serious errors which prevent
+ * further communications, positive values for uncritical errors
+ */
+static int rtmp_parse_result(URLContext *s, RTMPContext *rt, RTMPPacket *pkt)
+{
+ int ret;
+
+#ifdef DEBUG
+ ff_rtmp_packet_dump(s, pkt);
+#endif
+
+ switch (pkt->type) {
+ case RTMP_PT_CHUNK_SIZE:
+ if ((ret = handle_chunk_size(s, pkt)) < 0)
+ return ret;
+ break;
+ case RTMP_PT_PING:
+ if ((ret = handle_ping(s, pkt)) < 0)
+ return ret;
+ break;
+ case RTMP_PT_CLIENT_BW:
+ if ((ret = handle_client_bw(s, pkt)) < 0)
+ return ret;
+ break;
+ case RTMP_PT_SERVER_BW:
+ if ((ret = handle_server_bw(s, pkt)) < 0)
+ return ret;
+ break;
+ case RTMP_PT_INVOKE:
+ if ((ret = handle_invoke(s, pkt)) < 0)
+ return ret;
break;
case RTMP_PT_VIDEO:
case RTMP_PT_AUDIO:
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-22 21:19:27 +0000