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This commit is contained in:
Roman Arutyunyan 2012-08-24 13:57:13 +04:00
parent a6c10a15bd
commit db0f765528
1 changed files with 124 additions and 1 deletions
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125
ngx_rtmp_mp4_module.c
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@ -148,7 +148,7 @@ typedef struct {
u_char *header;
size_t header_size;
ngx_int_t header_sent;
unsigned header_sent:1;
ngx_rtmp_mp4_times_t *times;
ngx_rtmp_mp4_delays_t *delays;
@ -168,6 +168,8 @@ typedef struct {
void *mmaped;
size_t mmaped_size;
unsigned meta_sent:1;
ngx_rtmp_mp4_track_t tracks[2];
ngx_rtmp_mp4_track_t *track;
ngx_uint_t ntracks;
@ -1755,6 +1757,119 @@ ngx_rtmp_mp4_to_rtmp_timestamp(ngx_rtmp_mp4_track_t *t, uint32_t ts)
}
static ngx_int_t
ngx_rtmp_mp4_send_meta(ngx_rtmp_session_t *s)
{
ngx_rtmp_mp4_ctx_t *ctx;
ngx_rtmp_core_srv_conf_t *cscf;
ngx_int_t rc;
ngx_uint_t n;
ngx_rtmp_header_t h;
ngx_chain_t *out;
ngx_rtmp_mp4_track_t *t;
double d;
static struct {
double width;
double height;
double duration;
double video_codec_id;
double audio_codec_id;
} v;
static ngx_rtmp_amf_elt_t out_inf[] = {
{ NGX_RTMP_AMF_NUMBER,
ngx_string("width"),
&v.width, 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_string("height"),
&v.height, 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_string("displayWidth"),
&v.width, 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_string("displayHeight"),
&v.height, 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_string("duration"),
&v.duration, 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_string("videocodecid"),
&v.video_codec_id, 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_string("audiocodecid"),
&v.audio_codec_id, 0 },
};
static ngx_rtmp_amf_elt_t out_elts[] = {
{ NGX_RTMP_AMF_STRING,
ngx_null_string,
"onMetaData", 0 },
{ NGX_RTMP_AMF_OBJECT,
ngx_null_string,
out_inf, sizeof(out_inf) },
};
ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_mp4_module);
if (ctx == NULL) {
return NGX_OK;
}
cscf = ngx_rtmp_get_module_srv_conf(s, ngx_rtmp_core_module);
ngx_memzero(&v, sizeof(v));
v.width = ctx->width;
v.height = ctx->height;
t = &ctx->tracks[0];
for (n = 0; n < ctx->ntracks; ++n, ++t) {
d = ngx_rtmp_mp4_to_rtmp_timestamp(t, t->duration) / 1000.;
if (v.duration < d) {
v.duration = d;
}
switch (t->type) {
case NGX_RTMP_MSG_AUDIO:
v.audio_codec_id = t->codec;
break;
case NGX_RTMP_MSG_VIDEO:
v.video_codec_id = t->codec;
break;
}
}
out = NULL;
rc = ngx_rtmp_append_amf(s, &out, NULL, out_elts,
sizeof(out_elts) / sizeof(out_elts[0]));
if (rc != NGX_OK || out == NULL) {
return NGX_ERROR;
}
ngx_memzero(&h, sizeof(h));
h.csid = NGX_RTMP_LIVE_CSID_META;
h.msid = NGX_RTMP_LIVE_MSID;
h.type = NGX_RTMP_MSG_AMF_META;
ngx_rtmp_prepare_message(s, &h, NULL, out);
ngx_rtmp_send_message(s, out, 0);
ngx_rtmp_free_shared_chain(cscf, out);
return NGX_OK;
}
static void
ngx_rtmp_mp4_send(ngx_event_t *e)
{
@ -1783,6 +1898,13 @@ ngx_rtmp_mp4_send(ngx_event_t *e)
return;
}
if (!ctx->meta_sent) {
ngx_rtmp_mp4_send_meta(s);
ctx->meta_sent = 1;
active = 1;
goto again;
}
buflen = (s->buflen ? s->buflen : NGX_RTMP_MP4_DEFAULT_BUFLEN);
t = ctx->tracks;
@ -1922,6 +2044,7 @@ next:
return;
}
again:
if (active) {
ngx_post_event(e, &ngx_posted_events);
}