* RTMP protocol based on http://rtmpdump.mplayerhq.hu/ librtmp
*/
+#include "libavutil/avstring.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/opt.h"
#include "avformat.h"
+#include "url.h"
#include <librtmp/rtmp.h>
#include <librtmp/log.h>
+typedef struct LibRTMPContext {
+ const AVClass *class;
+ RTMP rtmp;
+ char *app;
+ char *conn;
+ char *subscribe;
+ char *playpath;
+ char *tcurl;
+ char *flashver;
+ char *swfurl;
+ char *swfverify;
+ char *pageurl;
+ char *client_buffer_time;
+ int live;
+ char *temp_filename;
+} LibRTMPContext;
+
static void rtmp_log(int level, const char *fmt, va_list args)
{
switch (level) {
static int rtmp_close(URLContext *s)
{
- RTMP *r = s->priv_data;
+ LibRTMPContext *ctx = s->priv_data;
+ RTMP *r = &ctx->rtmp;
RTMP_Close(r);
- av_free(r);
+ av_freep(&ctx->temp_filename);
return 0;
}
*/
static int rtmp_open(URLContext *s, const char *uri, int flags)
{
- RTMP *r;
- int rc;
-
- r = av_mallocz(sizeof(RTMP));
- if (!r)
- return AVERROR(ENOMEM);
+ LibRTMPContext *ctx = s->priv_data;
+ RTMP *r = &ctx->rtmp;
+ int rc = 0, level;
+ char *filename = s->filename;
+ int len = strlen(s->filename) + 1;
switch (av_log_get_level()) {
default:
- case AV_LOG_FATAL: rc = RTMP_LOGCRIT; break;
- case AV_LOG_ERROR: rc = RTMP_LOGERROR; break;
- case AV_LOG_WARNING: rc = RTMP_LOGWARNING; break;
- case AV_LOG_INFO: rc = RTMP_LOGINFO; break;
- case AV_LOG_VERBOSE: rc = RTMP_LOGDEBUG; break;
- case AV_LOG_DEBUG: rc = RTMP_LOGDEBUG2; break;
- }
- RTMP_LogSetLevel(rc);
+ case AV_LOG_FATAL: level = RTMP_LOGCRIT; break;
+ case AV_LOG_ERROR: level = RTMP_LOGERROR; break;
+ case AV_LOG_WARNING: level = RTMP_LOGWARNING; break;
+ case AV_LOG_INFO: level = RTMP_LOGINFO; break;
+ case AV_LOG_VERBOSE: level = RTMP_LOGDEBUG; break;
+ case AV_LOG_DEBUG: level = RTMP_LOGDEBUG2; break;
+ }
+ RTMP_LogSetLevel(level);
RTMP_LogSetCallback(rtmp_log);
+ if (ctx->app) len += strlen(ctx->app) + sizeof(" app=");
+ if (ctx->tcurl) len += strlen(ctx->tcurl) + sizeof(" tcUrl=");
+ if (ctx->pageurl) len += strlen(ctx->pageurl) + sizeof(" pageUrl=");
+ if (ctx->flashver) len += strlen(ctx->flashver) + sizeof(" flashver=");
+
+ if (ctx->conn) {
+ char *sep, *p = ctx->conn;
+ int options = 0;
+
+ while (p) {
+ options++;
+ p += strspn(p, " ");
+ if (!*p)
+ break;
+ sep = strchr(p, ' ');
+ if (sep)
+ p = sep + 1;
+ else
+ break;
+ }
+ len += options * sizeof(" conn=");
+ len += strlen(ctx->conn);
+ }
+
+ if (ctx->playpath)
+ len += strlen(ctx->playpath) + sizeof(" playpath=");
+ if (ctx->live)
+ len += sizeof(" live=1");
+ if (ctx->subscribe)
+ len += strlen(ctx->subscribe) + sizeof(" subscribe=");
+
+ if (ctx->client_buffer_time)
+ len += strlen(ctx->client_buffer_time) + sizeof(" buffer=");
+
+ if (ctx->swfurl || ctx->swfverify) {
+ len += sizeof(" swfUrl=");
+
+ if (ctx->swfverify)
+ len += strlen(ctx->swfverify) + sizeof(" swfVfy=1");
+ else
+ len += strlen(ctx->swfurl);
+ }
+
+ if (!(ctx->temp_filename = filename = av_malloc(len)))
+ return AVERROR(ENOMEM);
+
+ av_strlcpy(filename, s->filename, len);
+ if (ctx->app) {
+ av_strlcat(filename, " app=", len);
+ av_strlcat(filename, ctx->app, len);
+ }
+ if (ctx->tcurl) {
+ av_strlcat(filename, " tcUrl=", len);
+ av_strlcat(filename, ctx->tcurl, len);
+ }
+ if (ctx->pageurl) {
+ av_strlcat(filename, " pageUrl=", len);
+ av_strlcat(filename, ctx->pageurl, len);
+ }
+ if (ctx->swfurl) {
+ av_strlcat(filename, " swfUrl=", len);
+ av_strlcat(filename, ctx->swfurl, len);
+ }
+ if (ctx->flashver) {
+ av_strlcat(filename, " flashVer=", len);
+ av_strlcat(filename, ctx->flashver, len);
+ }
+ if (ctx->conn) {
+ char *sep, *p = ctx->conn;
+ while (p) {
+ av_strlcat(filename, " conn=", len);
+ p += strspn(p, " ");
+ if (!*p)
+ break;
+ sep = strchr(p, ' ');
+ if (sep)
+ *sep = '\0';
+ av_strlcat(filename, p, len);
+
+ if (sep)
+ p = sep + 1;
+ }
+ }
+ if (ctx->playpath) {
+ av_strlcat(filename, " playpath=", len);
+ av_strlcat(filename, ctx->playpath, len);
+ }
+ if (ctx->live)
+ av_strlcat(filename, " live=1", len);
+ if (ctx->subscribe) {
+ av_strlcat(filename, " subscribe=", len);
+ av_strlcat(filename, ctx->subscribe, len);
+ }
+ if (ctx->client_buffer_time) {
+ av_strlcat(filename, " buffer=", len);
+ av_strlcat(filename, ctx->client_buffer_time, len);
+ }
+ if (ctx->swfurl || ctx->swfverify) {
+ av_strlcat(filename, " swfUrl=", len);
+
+ if (ctx->swfverify) {
+ av_strlcat(filename, ctx->swfverify, len);
+ av_strlcat(filename, " swfVfy=1", len);
+ } else {
+ av_strlcat(filename, ctx->swfurl, len);
+ }
+ }
+
RTMP_Init(r);
- if (!RTMP_SetupURL(r, s->filename)) {
- rc = -1;
+ if (!RTMP_SetupURL(r, filename)) {
+ rc = AVERROR_UNKNOWN;
goto fail;
}
- if (flags & URL_WRONLY)
+ if (flags & AVIO_FLAG_WRITE)
RTMP_EnableWrite(r);
if (!RTMP_Connect(r, NULL) || !RTMP_ConnectStream(r, 0)) {
- rc = -1;
+ rc = AVERROR_UNKNOWN;
goto fail;
}
- s->priv_data = r;
s->is_streamed = 1;
return 0;
fail:
- av_free(r);
+ av_freep(&ctx->temp_filename);
return rc;
}
static int rtmp_write(URLContext *s, const uint8_t *buf, int size)
{
- RTMP *r = s->priv_data;
+ LibRTMPContext *ctx = s->priv_data;
+ RTMP *r = &ctx->rtmp;
return RTMP_Write(r, buf, size);
}
static int rtmp_read(URLContext *s, uint8_t *buf, int size)
{
- RTMP *r = s->priv_data;
+ LibRTMPContext *ctx = s->priv_data;
+ RTMP *r = &ctx->rtmp;
return RTMP_Read(r, buf, size);
}
static int rtmp_read_pause(URLContext *s, int pause)
{
- RTMP *r = s->priv_data;
+ LibRTMPContext *ctx = s->priv_data;
+ RTMP *r = &ctx->rtmp;
if (!RTMP_Pause(r, pause))
- return -1;
+ return AVERROR_UNKNOWN;
return 0;
}
static int64_t rtmp_read_seek(URLContext *s, int stream_index,
int64_t timestamp, int flags)
{
- RTMP *r = s->priv_data;
+ LibRTMPContext *ctx = s->priv_data;
+ RTMP *r = &ctx->rtmp;
if (flags & AVSEEK_FLAG_BYTE)
return AVERROR(ENOSYS);
flags & AVSEEK_FLAG_BACKWARD ? AV_ROUND_DOWN : AV_ROUND_UP);
if (!RTMP_SendSeek(r, timestamp))
- return -1;
+ return AVERROR_UNKNOWN;
return timestamp;
}
static int rtmp_get_file_handle(URLContext *s)
{
- RTMP *r = s->priv_data;
+ LibRTMPContext *ctx = s->priv_data;
+ RTMP *r = &ctx->rtmp;
return RTMP_Socket(r);
}
-URLProtocol ff_rtmp_protocol = {
- "rtmp",
- rtmp_open,
- rtmp_read,
- rtmp_write,
- NULL, /* seek */
- rtmp_close,
- NULL, /* next */
- rtmp_read_pause,
- rtmp_read_seek,
- rtmp_get_file_handle
+#define OFFSET(x) offsetof(LibRTMPContext, x)
+#define DEC AV_OPT_FLAG_DECODING_PARAM
+#define ENC AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption 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_buffer", "Set buffer time in milliseconds. The default is 3000.", OFFSET(client_buffer_time), AV_OPT_TYPE_STRING, {.str = "3000"}, 0, 0, DEC|ENC},
+ {"rtmp_conn", "Append arbitrary AMF data to the Connect message", OFFSET(conn), 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, {.i64 = 0}, INT_MIN, INT_MAX, DEC, "rtmp_live"},
+ {"any", "both", 0, AV_OPT_TYPE_CONST, {.i64 = -2}, 0, 0, DEC, "rtmp_live"},
+ {"live", "live stream", 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, DEC, "rtmp_live"},
+ {"recorded", "recorded stream", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, DEC, "rtmp_live"},
+ {"rtmp_pageurl", "URL of the web page in which the media was embedded. By default no value will be sent.", OFFSET(pageurl), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC},
+ {"rtmp_playpath", "Stream identifier to play or to publish", OFFSET(playpath), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
+ {"rtmp_subscribe", "Name of live stream to subscribe to. Defaults to rtmp_playpath.", OFFSET(subscribe), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC},
+ {"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_swfverify", "URL to player swf file, compute hash/size automatically. (unimplemented)", OFFSET(swfverify), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC},
+ {"rtmp_tcurl", "URL of the target stream. Defaults to proto://host[:port]/app.", OFFSET(tcurl), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
+ { NULL },
+};
+
+#define RTMP_CLASS(flavor)\
+static const AVClass lib ## flavor ## _class = {\
+ .class_name = "lib" #flavor " protocol",\
+ .item_name = av_default_item_name,\
+ .option = options,\
+ .version = LIBAVUTIL_VERSION_INT,\
+};
+
+RTMP_CLASS(rtmp)
+URLProtocol ff_librtmp_protocol = {
+ .name = "rtmp",
+ .url_open = rtmp_open,
+ .url_read = rtmp_read,
+ .url_write = rtmp_write,
+ .url_close = rtmp_close,
+ .url_read_pause = rtmp_read_pause,
+ .url_read_seek = rtmp_read_seek,
+ .url_get_file_handle = rtmp_get_file_handle,
+ .priv_data_size = sizeof(LibRTMPContext),
+ .priv_data_class = &librtmp_class,
+ .flags = URL_PROTOCOL_FLAG_NETWORK,
};
-URLProtocol ff_rtmpt_protocol = {
- "rtmpt",
- rtmp_open,
- rtmp_read,
- rtmp_write,
- NULL, /* seek */
- rtmp_close,
- NULL, /* next */
- rtmp_read_pause,
- rtmp_read_seek,
- rtmp_get_file_handle
+RTMP_CLASS(rtmpt)
+URLProtocol ff_librtmpt_protocol = {
+ .name = "rtmpt",
+ .url_open = rtmp_open,
+ .url_read = rtmp_read,
+ .url_write = rtmp_write,
+ .url_close = rtmp_close,
+ .url_read_pause = rtmp_read_pause,
+ .url_read_seek = rtmp_read_seek,
+ .url_get_file_handle = rtmp_get_file_handle,
+ .priv_data_size = sizeof(LibRTMPContext),
+ .priv_data_class = &librtmpt_class,
+ .flags = URL_PROTOCOL_FLAG_NETWORK,
};
-URLProtocol ff_rtmpe_protocol = {
- "rtmpe",
- rtmp_open,
- rtmp_read,
- rtmp_write,
- NULL, /* seek */
- rtmp_close,
- NULL, /* next */
- rtmp_read_pause,
- rtmp_read_seek,
- rtmp_get_file_handle
+RTMP_CLASS(rtmpe)
+URLProtocol ff_librtmpe_protocol = {
+ .name = "rtmpe",
+ .url_open = rtmp_open,
+ .url_read = rtmp_read,
+ .url_write = rtmp_write,
+ .url_close = rtmp_close,
+ .url_read_pause = rtmp_read_pause,
+ .url_read_seek = rtmp_read_seek,
+ .url_get_file_handle = rtmp_get_file_handle,
+ .priv_data_size = sizeof(LibRTMPContext),
+ .priv_data_class = &librtmpe_class,
+ .flags = URL_PROTOCOL_FLAG_NETWORK,
};
-URLProtocol ff_rtmpte_protocol = {
- "rtmpte",
- rtmp_open,
- rtmp_read,
- rtmp_write,
- NULL, /* seek */
- rtmp_close,
- NULL, /* next */
- rtmp_read_pause,
- rtmp_read_seek,
- rtmp_get_file_handle
+RTMP_CLASS(rtmpte)
+URLProtocol ff_librtmpte_protocol = {
+ .name = "rtmpte",
+ .url_open = rtmp_open,
+ .url_read = rtmp_read,
+ .url_write = rtmp_write,
+ .url_close = rtmp_close,
+ .url_read_pause = rtmp_read_pause,
+ .url_read_seek = rtmp_read_seek,
+ .url_get_file_handle = rtmp_get_file_handle,
+ .priv_data_size = sizeof(LibRTMPContext),
+ .priv_data_class = &librtmpte_class,
+ .flags = URL_PROTOCOL_FLAG_NETWORK,
};
-URLProtocol ff_rtmps_protocol = {
- "rtmps",
- rtmp_open,
- rtmp_read,
- rtmp_write,
- NULL, /* seek */
- rtmp_close,
- NULL, /* next */
- rtmp_read_pause,
- rtmp_read_seek,
- rtmp_get_file_handle
+RTMP_CLASS(rtmps)
+URLProtocol ff_librtmps_protocol = {
+ .name = "rtmps",
+ .url_open = rtmp_open,
+ .url_read = rtmp_read,
+ .url_write = rtmp_write,
+ .url_close = rtmp_close,
+ .url_read_pause = rtmp_read_pause,
+ .url_read_seek = rtmp_read_seek,
+ .url_get_file_handle = rtmp_get_file_handle,
+ .priv_data_size = sizeof(LibRTMPContext),
+ .priv_data_class = &librtmps_class,
+ .flags = URL_PROTOCOL_FLAG_NETWORK,
};
projects / ffmpeg / blobdiff