static ngx_int_t
ngx_rtmp_record_node_av(ngx_rtmp_session_t *s, ngx_rtmp_record_rec_ctx_t *rctx,
ngx_rtmp_header_t *h, ngx_chain_t *in)
{
ngx_time_t next;
ngx_rtmp_header_t ch;
ngx_rtmp_codec_ctx_t *codec_ctx;
ngx_int_t keyframe, brkframe;
ngx_rtmp_record_app_conf_t *rracf;
rracf = rctx->conf;
if (rracf->flags & NGX_RTMP_RECORD_OFF) {
ngx_rtmp_record_node_close(s, rctx);
return NGX_OK;
}
keyframe = (h->type == NGX_RTMP_MSG_VIDEO)
? (ngx_rtmp_get_video_frame_type(in) == NGX_RTMP_VIDEO_KEY_FRAME)
: 0;
brkframe = (h->type == NGX_RTMP_MSG_VIDEO)
? keyframe
: (rracf->flags & NGX_RTMP_RECORD_VIDEO) == 0;
if (brkframe && ((rracf->flags & NGX_RTMP_RECORD_MANUAL) == 0 ||
((rracf->flags & NGX_RTMP_RECORD_AUTO_RESTART) &&
rctx->file.fd != NGX_INVALID_FILE))) {
if (rracf->interval != (ngx_msec_t) NGX_CONF_UNSET) {
next = rctx->last;
next.msec += rracf->interval;
next.sec += (next.msec / 1000);
next.msec %= 1000;
if (ngx_cached_time->sec > next.sec ||
(ngx_cached_time->sec == next.sec &&
ngx_cached_time->msec > next.msec))
{
ngx_rtmp_record_node_close(s, rctx);
ngx_rtmp_record_node_open(s, rctx);
}
} else if (!rctx->failed) {
ngx_rtmp_record_node_open(s, rctx);
}
}
if (((rracf->flags & NGX_RTMP_RECORD_MANUAL) ||
!(rracf->flags & NGX_RTMP_RECORD_AUTO_RESTART)) &&
!brkframe && rctx->nframes == 0)
{
return NGX_OK;
}
if (rctx->file.fd == NGX_INVALID_FILE) {
return NGX_OK;
}
if (h->type == NGX_RTMP_MSG_AUDIO &&
(rracf->flags & NGX_RTMP_RECORD_AUDIO) == 0)
{
return NGX_OK;
}
if (h->type == NGX_RTMP_MSG_VIDEO &&
(rracf->flags & NGX_RTMP_RECORD_VIDEO) == 0 &&
((rracf->flags & NGX_RTMP_RECORD_KEYFRAMES) == 0 || !keyframe))
{
return NGX_OK;
}
if (!rctx->initialized) {
rctx->initialized = 1;
rctx->epoch = h->timestamp - rctx->time_shift;
if (rctx->file.offset == 0 &&
ngx_rtmp_record_write_header(&rctx->file) != NGX_OK)
{
ngx_rtmp_record_node_close(s, rctx);
return NGX_OK;
}
}
codec_ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_codec_module);
if (codec_ctx) {
ch = *h;
/* AAC header */
if (!rctx->aac_header_sent && codec_ctx->aac_header &&
(rracf->flags & NGX_RTMP_RECORD_AUDIO))
{
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"record: %V writing AAC header", &rracf->id);
ch.type = NGX_RTMP_MSG_AUDIO;
ch.mlen = ngx_rtmp_record_get_chain_mlen(codec_ctx->aac_header);
if (ngx_rtmp_record_write_frame(s, rctx, &ch,
codec_ctx->aac_header, 0)
!= NGX_OK)
{
return NGX_OK;
}
rctx->aac_header_sent = 1;
}
/* AVC header */
if (!rctx->avc_header_sent && codec_ctx->avc_header &&
(rracf->flags & (NGX_RTMP_RECORD_VIDEO|
NGX_RTMP_RECORD_KEYFRAMES)))
{
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"record: %V writing AVC header", &rracf->id);
ch.type = NGX_RTMP_MSG_VIDEO;
ch.mlen = ngx_rtmp_record_get_chain_mlen(codec_ctx->avc_header);
if (ngx_rtmp_record_write_frame(s, rctx, &ch,
codec_ctx->avc_header, 0)
!= NGX_OK)
{
return NGX_OK;
}
rctx->avc_header_sent = 1;
}
}
if (h->type == NGX_RTMP_MSG_VIDEO) {
if (codec_ctx && codec_ctx->video_codec_id == NGX_RTMP_VIDEO_H264 &&
!rctx->avc_header_sent)
{
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"record: %V skipping until H264 header", &rracf->id);
return NGX_OK;
}
if (ngx_rtmp_get_video_frame_type(in) == NGX_RTMP_VIDEO_KEY_FRAME &&
((codec_ctx && codec_ctx->video_codec_id != NGX_RTMP_VIDEO_H264) ||
!ngx_rtmp_is_codec_header(in)))
{
rctx->video_key_sent = 1;
}
if (!rctx->video_key_sent) {
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"record: %V skipping until keyframe", &rracf->id);
return NGX_OK;
}
} else {
if (codec_ctx && codec_ctx->audio_codec_id == NGX_RTMP_AUDIO_AAC &&
!rctx->aac_header_sent)
{
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"record: %V skipping until AAC header", &rracf->id);
return NGX_OK;
}
}
return ngx_rtmp_record_write_frame(s, rctx, h, in, 1);
}
static ngx_int_t
ngx_rtmp_record_av(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
ngx_chain_t *in)
{
ngx_rtmp_record_ctx_t *ctx;
ngx_rtmp_record_app_conf_t *racf;
ngx_time_t next;
ngx_rtmp_header_t ch;
ngx_rtmp_codec_ctx_t *codec_ctx;
ngx_int_t keyframe;
racf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_record_module);
ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_record_module);
if (racf == NULL || ctx == NULL || racf->flags & NGX_RTMP_RECORD_OFF) {
return NGX_OK;
}
keyframe = (ngx_rtmp_get_video_frame_type(in) == NGX_RTMP_VIDEO_KEY_FRAME);
if (keyframe && racf->interval != (ngx_msec_t)NGX_CONF_UNSET) {
next = ctx->last;
next.msec += racf->interval;
next.sec += (next.msec / 1000);
next.msec %= 1000;
if (ngx_cached_time->sec > next.sec
|| (ngx_cached_time->sec == next.sec
&& ngx_cached_time->msec > next.msec))
{
ngx_rtmp_record_close(s);
if (ngx_rtmp_record_open(s) != NGX_OK) {
ngx_log_error(NGX_LOG_CRIT, s->connection->log, 0,
"record: failed");
}
}
}
if (ctx->file.fd == NGX_INVALID_FILE) {
return NGX_OK;
}
/* filter frames */
if (h->type == NGX_RTMP_MSG_AUDIO &&
(racf->flags & NGX_RTMP_RECORD_AUDIO) == 0)
{
return NGX_OK;
}
if (h->type == NGX_RTMP_MSG_VIDEO &&
(racf->flags & NGX_RTMP_RECORD_VIDEO) == 0 &&
((racf->flags & NGX_RTMP_RECORD_KEYFRAMES) == 0 || !keyframe))
{
return NGX_OK;
}
if (ctx->file.offset == 0) {
ctx->epoch = h->timestamp;
if (ngx_rtmp_record_write_header(&ctx->file) != NGX_OK) {
ngx_rtmp_record_close(s);
return NGX_OK;
}
codec_ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_codec_module);
if (codec_ctx) {
ch = *h;
#if 0
/* metadata */
if (codec_ctx->meta) {
ngx_log_debug0(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"record: writing metadata");
ch.type = NGX_RTMP_MSG_AMF_META;
ch.mlen = ngx_rtmp_record_get_chain_mlen(codec_ctx->meta);
if (ngx_rtmp_record_write_frame(s, &ch, codec_ctx->meta)
!= NGX_OK)
{
return NGX_OK;
}
}
#endif
/* AAC header */
if (codec_ctx->aac_header && (racf->flags & NGX_RTMP_RECORD_AUDIO))
{
ngx_log_debug0(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"record: writing AAC header");
ch.type = NGX_RTMP_MSG_AUDIO;
ch.mlen = ngx_rtmp_record_get_chain_mlen(codec_ctx->aac_header);
if (ngx_rtmp_record_write_frame(s, &ch, codec_ctx->aac_header)
!= NGX_OK)
{
return NGX_OK;
}
}
/* AVC header */
if (codec_ctx->avc_header && (racf->flags
& (NGX_RTMP_RECORD_VIDEO|NGX_RTMP_RECORD_KEYFRAMES)))
{
ngx_log_debug0(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"record: writing AVC header");
ch.type = NGX_RTMP_MSG_VIDEO;
ch.mlen = ngx_rtmp_record_get_chain_mlen(codec_ctx->avc_header);
if (ngx_rtmp_record_write_frame(s, &ch, codec_ctx->avc_header)
!= NGX_OK)
{
return NGX_OK;
}
}
}
}
return ngx_rtmp_record_write_frame(s, h, in);
}
