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an attempt to implement initial video key

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This commit is contained in:
Roman Arutyunyan
2012-12-07 16:57:30 +04:00
parent 02dd440a25
commit c8ad56e2d2
4 changed files with 203 additions and 115 deletions
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23
ngx_rtmp_codec_module.c
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@ -135,6 +135,11 @@ ngx_rtmp_codec_disconnect(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
ctx->meta = NULL;
}
if (ctx->video_key) {
ngx_rtmp_free_shared_chain(cscf, ctx->video_key);
ctx->video_key = NULL;
}
return NGX_OK;
}
@ -186,6 +191,23 @@ ngx_rtmp_codec_av(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
ctx->video_codec_id = (fmt & 0x0f);
}
cscf = ngx_rtmp_get_module_srv_conf(s, ngx_rtmp_core_module);
/* save video key */
if (h->type == NGX_RTMP_MSG_VIDEO &&
ngx_rtmp_get_video_frame_type(in) == NGX_RTMP_VIDEO_KEY_FRAME &&
(ctx->video_codec_id != NGX_RTMP_VIDEO_H264 ||
(in->buf->pos + 1 < in->buf->last && in->buf->pos[1] == 1)))
{
if (ctx->video_key) {
ngx_rtmp_free_shared_chain(cscf, ctx->video_key);
}
ctx->video_key = ngx_rtmp_append_shared_bufs(cscf, NULL, in);
ngx_log_debug0(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"codec: video key arrived");
}
/* save AVC/AAC header */
if (in->buf->last - in->buf->pos < 2) {
return NGX_OK;
@ -196,7 +218,6 @@ ngx_rtmp_codec_av(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
return NGX_OK;
}
cscf = ngx_rtmp_get_module_srv_conf(s, ngx_rtmp_core_module);
header = NULL;
if (h->type == NGX_RTMP_MSG_AUDIO) {
if (ctx->audio_codec_id == NGX_RTMP_AUDIO_AAC) {