static void rtsp_cmd_interrupt(RTSPContext *c, const char *url, RTSPMessageHeader *h, int pause_only)
{
RTSPContext *rtp_c;
rtp_c = find_rtp_session_with_url(url, h->session_id);
if (!rtp_c) {
rtsp_reply_error(c, RTSP_STATUS_SESSION);
return;
}
if (pause_only) {
if (rtp_c->state != RTPSTATE_SEND_DATA) {
rtsp_reply_error(c, RTSP_STATUS_STATE);
return;
}
rtp_c->state = HTTPSTATE_READY;
c->ntp_start_time = 0.0;
}
rtsp_reply_header(c, RTSP_STATUS_OK);
/* session ID */
avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
avio_printf(c->pb, "\r\n");
if (!pause_only)
close_connection(rtp_c);
}
static void json_print_integer(const char *key, int64_t value)
{
if (octx.prefix[octx.level -1].nb_elems)
avio_printf(probe_out, ",\n");
AVP_INDENT();
avio_printf(probe_out, "\"%s\" : %"PRId64"", key, value);
}
static void json_print_array_header(const char *name, int plain_values)
{
if (octx.prefix[octx.level -1].nb_elems)
avio_printf(probe_out, ",\n");
AVP_INDENT();
avio_printf(probe_out, "\"%s\" : ", name);
avio_printf(probe_out, "[\n");
}
/* RTSP Handle Function */
static void rtsp_cmd_options(RTSPContext *c, const char *url)
{
rtsp_reply_header(c, RTSP_STATUS_OK);
avio_printf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
avio_printf(c->pb, "CSeq: %d\r\n", c->seq);
avio_printf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
avio_printf(c->pb, "\r\n");
}
static void show_format_entry_string(const char *key, const char *value)
{
if (key && av_dict_get(fmt_entries_to_show, key, NULL, 0)) {
if (nb_fmt_entries_to_show > 1)
avio_printf(probe_out, "%s=", key);
avio_printf(probe_out, "%s\n", value);
}
}
static void show_format_entry_integer(const char *key, int64_t value)
{
if (key && av_dict_get(fmt_entries_to_show, key, NULL, 0)) {
if (nb_fmt_entries_to_show > 1)
avio_printf(probe_out, "%s=", key);
avio_printf(probe_out, "%"PRId64"\n", value);
}
}
static void json_print_object_header(const char *name)
{
if (octx.prefix[octx.level -1].nb_elems)
avio_printf(probe_out, ",\n");
AVP_INDENT();
if (octx.prefix[octx.level -1].type == OBJECT)
avio_printf(probe_out, "\"%s\" : ", name);
avio_printf(probe_out, "{\n");
}
static int lrc_write_packet(AVFormatContext *s, AVPacket *pkt)
{
if(pkt->pts != AV_NOPTS_VALUE) {
char *data = av_malloc(pkt->size + 1);
char *line;
char *delim;
if(!data) {
return AVERROR(ENOMEM);
}
memcpy(data, pkt->data, pkt->size);
data[pkt->size] = '\0';
for(delim = data + pkt->size - 1;
delim >= data && (delim[0] == '\n' || delim[0] == '\r'); delim--) {
delim[0] = '\0'; // Strip last empty lines
}
line = data;
while(line[0] == '\n' || line[0] == '\r') {
line++; // Skip first empty lines
}
while(line) {
delim = strchr(line, '\n');
if(delim) {
if(delim > line && delim[-1] == '\r') {
delim[-1] = '\0';
}
delim[0] = '\0';
delim++;
}
if(line[0] == '[') {
av_log(s, AV_LOG_WARNING,
"Subtitle starts with '[', may cause problems with LRC format.\n");
}
if(pkt->pts >= 0) {
avio_printf(s->pb, "[%02"PRId64":%02"PRId64".%02"PRId64"]",
(pkt->pts / 6000),
((pkt->pts / 100) % 60),
(pkt->pts % 100));
} else {
/* Offset feature of LRC can easily make pts negative,
* we just output it directly and let the player drop it. */
avio_printf(s->pb, "[-%02"PRId64":%02"PRId64".%02"PRId64"]",
(-pkt->pts) / 6000,
((-pkt->pts) / 100) % 60,
(-pkt->pts) % 100);
}
avio_printf(s->pb, "%s\n", line);
line = delim;
}
av_free(data);
}
return 0;
}
static int microdvd_write_packet(AVFormatContext *avf, AVPacket *pkt)
{
avio_printf(avf->pb, "{%"PRId64"}", pkt->pts);
if (pkt->duration < 0)
avio_write(avf->pb, "{}", 2);
else
avio_printf(avf->pb, "{%"PRId64"}", pkt->pts + pkt->duration);
avio_write(avf->pb, pkt->data, pkt->size);
avio_write(avf->pb, "\n", 1);
return 0;
}
static void show_stream_entry_integer(const char *key, int64_t value)
{
if (!key)
key = header_key;
if (key && av_dict_get(stream_entries_to_show, key, NULL, 0)) {
if (nb_stream_entries_to_show > 1)
avio_printf(probe_out, "%s=", key);
avio_printf(probe_out, "%"PRId64"\n", value);
}
}
static void json_print_string(const char *key, const char *value)
{
if (octx.prefix[octx.level -1].nb_elems)
avio_printf(probe_out, ",\n");
AVP_INDENT();
avio_w8(probe_out, '\"');
json_escape_print(key);
avio_printf(probe_out, "\" : \"");
json_escape_print(value);
avio_w8(probe_out, '\"');
}
static void ini_print_integer(const char *key, int64_t value)
{
if (key) {
ini_escape_print(key);
avio_printf(probe_out, "=%"PRId64"\n", value);
} else {
if (octx.prefix[octx.level -1].nb_elems)
avio_printf(probe_out, ",");
avio_printf(probe_out, "%"PRId64, value);
}
}
static int framehash_write_header(struct AVFormatContext *s)
{
struct HashContext *c = s->priv_data;
int res = av_hash_alloc(&c->hash, c->hash_name);
if (res < 0)
return res;
avio_printf(s->pb, "#format: frame checksums\n");
avio_printf(s->pb, "#version: %d\n", c->format_version);
avio_printf(s->pb, "#hash: %s\n", av_hash_get_name(c->hash));
ff_framehash_write_header(s, c->format_version);
avio_printf(s->pb, "#stream#, dts, pts, duration, size, hash\n");
return 0;
}
int ff_framehash_write_header(AVFormatContext *s)
{
int i;
if (s->nb_streams && !(s->flags & AVFMT_FLAG_BITEXACT))
avio_printf(s->pb, "#software: %s\n", LIBAVFORMAT_IDENT);
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
avpriv_set_pts_info(st, 64, st->codec->time_base.num, st->codec->time_base.den);
avio_printf(s->pb, "#tb %d: %d/%d\n", i, st->time_base.num, st->time_base.den);
avio_flush(s->pb);
}
return 0;
}
static void rtsp_cmd_play(RTSPContext *c, const char *url, RTSPMessageHeader *h)
{
RTSPContext *rtp_c;
rtp_c = find_rtp_session_with_url(url, h->session_id);
if (!rtp_c) {
printf("can't find rtp session %s with url %s \n", h->session_id, url);
rtsp_reply_error(c, RTSP_STATUS_SESSION);
return;
}
rtp_c->start_time = cur_time; // set start time
// pos * 188이 offset!
int64_t last_offset = rtp_c->cur_offset;
printf("cmd play! cur_offset = %lld\n", rtp_c->cur_offset);
if (c->ntp_start_time != 0.0) {
// set start time for seek!
printf("find start time by ntp time!!! seek request! seek time = %lfs \n", c->ntp_start_time);
rtp_c->ntp_start_time = c->ntp_start_time;
rtp_c->cur_idx = get_closest_iframe_by_time(rtp_c->stream->first_idx, rtp_c->ntp_start_time);
if (rtp_c->cur_idx != NULL)
rtp_c->cur_offset = rtp_c->cur_idx->pos * 188;
// play time이 바뀐 경우, buffer도 비워줘야 함.
if (rtp_c->buffer_ptr >= rtp_c->buffer_end) {
printf("no need to reset rtp_c->buffer ptr \n");
} else {
printf("need to reset rtp_c->buffer ptr \n");
rtp_c->buffer_ptr = rtp_c->buffer_end;
av_free(c->pb_buffer);
}
} else {
rtp_c->cur_idx = NULL;
}
printf("cmd play! after find iframe cur_offset = %lld\n", rtp_c->cur_offset);
// reset served bytes for restart from pause state
rtp_c->served_bytes = 0;
rtp_c->state = RTPSTATE_SEND_DATA;
/* now everything is OK, so we can send the connection parameters */
rtsp_reply_header(c, RTSP_STATUS_OK);
/* session ID */
avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
if (rtp_c->cur_idx != NULL) {
avio_printf(c->pb, "Range: npt=%.3lf-\r\n", get_iIndex_PCR(rtp_c->cur_idx));
printf("range response! Range: npt=%.3lf-\n", get_iIndex_PCR(rtp_c->cur_idx));
avio_printf(c->pb, "RTP-Info: seq=%d\r\n", rtp_c->cur_seq);
printf("RTP info: seq=%d\n", rtp_c->cur_seq);
}
avio_printf(c->pb, "\r\n");
}
static int lrc_write_header(AVFormatContext *s)
{
const AVDictionaryEntry *metadata_item;
if(s->nb_streams != 1 ||
s->streams[0]->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE) {
av_log(s, AV_LOG_ERROR,
"LRC supports only a single subtitle stream.\n");
return AVERROR(EINVAL);
}
if(s->streams[0]->codecpar->codec_id != AV_CODEC_ID_SUBRIP &&
s->streams[0]->codecpar->codec_id != AV_CODEC_ID_TEXT) {
av_log(s, AV_LOG_ERROR, "Unsupported subtitle codec: %s\n",
avcodec_get_name(s->streams[0]->codecpar->codec_id));
return AVERROR(EINVAL);
}
avpriv_set_pts_info(s->streams[0], 64, 1, 100);
ff_standardize_creation_time(s);
ff_metadata_conv_ctx(s, ff_lrc_metadata_conv, NULL);
if(!(s->flags & AVFMT_FLAG_BITEXACT)) { // avoid breaking regression tests
/* LRC provides a metadata slot for specifying encoder version
* in addition to encoder name. We will store LIBAVFORMAT_VERSION
* to it.
*/
av_dict_set(&s->metadata, "ve", AV_STRINGIFY(LIBAVFORMAT_VERSION), 0);
} else {
av_dict_set(&s->metadata, "ve", NULL, 0);
}
for(metadata_item = NULL;
(metadata_item = av_dict_get(s->metadata, "", metadata_item,
AV_DICT_IGNORE_SUFFIX));) {
char *delim;
if(!metadata_item->value[0]) {
continue;
}
while((delim = strchr(metadata_item->value, '\n'))) {
*delim = ' ';
}
while((delim = strchr(metadata_item->value, '\r'))) {
*delim = ' ';
}
avio_printf(s->pb, "[%s:%s]\n",
metadata_item->key, metadata_item->value);
}
avio_printf(s->pb, "\n");
return 0;
}
static void ini_print_string(const char *key, const char *value)
{
ini_escape_print(key);
avio_printf(probe_out, "=");
ini_escape_print(value);
avio_w8(probe_out, '\n');
}
static void purge_dialogues(AVFormatContext *s, int force)
{
int n = 0;
ASSContext *ass = s->priv_data;
DialogueLine *dialogue = ass->dialogue_cache;
while (dialogue && (dialogue->readorder == ass->expected_readorder || force)) {
DialogueLine *next = dialogue->next;
if (dialogue->readorder != ass->expected_readorder) {
av_log(s, AV_LOG_WARNING, "ReadOrder gap found between %d and %d\n",
ass->expected_readorder, dialogue->readorder);
ass->expected_readorder = dialogue->readorder;
}
avio_printf(s->pb, "Dialogue: %s\r\n", dialogue->line);
if (dialogue == ass->last_added_dialogue)
ass->last_added_dialogue = next;
av_free(dialogue->line);
av_free(dialogue);
if (next)
next->prev = NULL;
dialogue = ass->dialogue_cache = next;
ass->expected_readorder++;
n++;
}
ass->cache_size -= n;
if (n > 1)
av_log(s, AV_LOG_DEBUG, "wrote %d ASS lines, cached dialogues: %d, waiting for event id %d\n",
n, ass->cache_size, ass->expected_readorder);
}
static int write_header(AVFormatContext *s)
{
ASSContext *ass = s->priv_data;
AVCodecContext *avctx= s->streams[0]->codec;
if (s->nb_streams != 1 || (avctx->codec_id != AV_CODEC_ID_SSA &&
avctx->codec_id != AV_CODEC_ID_ASS)) {
av_log(s, AV_LOG_ERROR, "Exactly one ASS/SSA stream is needed.\n");
return AVERROR(EINVAL);
}
ass->write_ts = avctx->codec_id == AV_CODEC_ID_ASS;
avpriv_set_pts_info(s->streams[0], 64, 1, 100);
if (avctx->extradata_size > 0) {
avio_write(s->pb, avctx->extradata, avctx->extradata_size);
if (avctx->extradata[avctx->extradata_size - 1] != '\n')
avio_write(s->pb, "\r\n", 2);
ass->ssa_mode = !strstr(avctx->extradata, "\n[V4+ Styles]");
if (!strstr(avctx->extradata, "\n[Events]"))
avio_printf(s->pb, "[Events]\r\nFormat: %s, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text\r\n",
ass->ssa_mode ? "Marked" : "Layer");
}
avio_flush(s->pb);
return 0;
}
static int write_packet(AVFormatContext *s, AVPacket *pkt)
{
ASSContext *ass = s->priv_data;
if (ass->write_ts) {
long int layer;
char *p;
int64_t start = pkt->pts;
int64_t end = start + pkt->duration;
int hh1, mm1, ss1, ms1;
int hh2, mm2, ss2, ms2;
p = pkt->data + strcspn(pkt->data, ",") + 1; // skip ReadOrder
layer = strtol(p, &p, 10);
if (*p == ',')
p++;
hh1 = (int)(start / 360000); mm1 = (int)(start / 6000) % 60;
hh2 = (int)(end / 360000); mm2 = (int)(end / 6000) % 60;
ss1 = (int)(start / 100) % 60; ms1 = (int)(start % 100);
ss2 = (int)(end / 100) % 60; ms2 = (int)(end % 100);
if (hh1 > 9) hh1 = 9, mm1 = 59, ss1 = 59, ms1 = 99;
if (hh2 > 9) hh2 = 9, mm2 = 59, ss2 = 59, ms2 = 99;
avio_printf(s->pb, "Dialogue: %ld,%d:%02d:%02d.%02d,%d:%02d:%02d.%02d,%s\r\n",
layer, hh1, mm1, ss1, ms1, hh2, mm2, ss2, ms2, p);
} else {
avio_write(s->pb, pkt->data, pkt->size);
}
return 0;
}
static int srt_write_packet(AVFormatContext *avf, AVPacket *pkt)
{
SRTContext *srt = avf->priv_data;
int write_ts = avf->streams[0]->codec->codec_id != AV_CODEC_ID_SRT;
srt->index++;
if (write_ts) {
int64_t s = pkt->pts, e, d = pkt->duration;
if (d <= 0)
/* For backward compatibility, fallback to convergence_duration. */
d = pkt->convergence_duration;
if (s == AV_NOPTS_VALUE || d < 0) {
av_log(avf, AV_LOG_ERROR, "Insufficient timestamps.\n");
return AVERROR(EINVAL);
}
e = s + d;
avio_printf(avf->pb, "%d\n%02d:%02d:%02d,%03d --> %02d:%02d:%02d,%03d\n",
srt->index,
(int)(s / 3600000), (int)(s / 60000) % 60,
(int)(s / 1000) % 60, (int)(s % 1000),
(int)(e / 3600000), (int)(e / 60000) % 60,
(int)(e / 1000) % 60, (int)(e % 1000));
}
avio_write(avf->pb, pkt->data, pkt->size);
if (write_ts)
avio_write(avf->pb, "\n\n", 2);
avio_flush(avf->pb);
return 0;
}
static void rtsp_cmd_describe(RTSPContext *c, const char *url)
{
iStream *stream;
char path1[1024];
const char *path;
uint8_t *content;
int content_length = 0;
socklen_t len;
struct sockaddr_in my_addr;
/* find which URL is asked */
av_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
int l = strlen(path1);
if (path1[l-1] == '/') {
path1[l-1] = '\0';
}
path = path1;
if (*path == '/')
path++;
for(stream = first_stream; stream != NULL; stream = stream->next) {
if (!strcmp(path, stream->name)) {
goto found;
}
}
/* no stream found */
rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
return;
found:
/* prepare the media description in SDP format */
content = av_mallocz(1024);
/* get the host IP */
len = sizeof(my_addr);
getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
rtsp_reply_header(c, RTSP_STATUS_OK);
avio_printf(c->pb, "Content-Base: %s/\r\n", url);
avio_printf(c->pb, "Content-Type: application/sdp\r\n");
int added_length = 0;
// 여기에 sdp정보 추가 해야 함.
content_length = generate_sdp_context(stream, &content);
avio_printf(c->pb, "Content-Length: %d\r\n", content_length + added_length);
avio_printf(c->pb, "\r\n");
// content added
avio_write(c->pb, content, content_length + added_length);
av_free(content);
}
static int srt_write_packet(AVFormatContext *avf, AVPacket *pkt)
{
SRTContext *srt = avf->priv_data;
int write_ts = avf->streams[0]->codec->codec_id != AV_CODEC_ID_SRT;
if (write_ts) {
int64_t s = pkt->pts, e, d = pkt->duration;
int size, x1 = -1, y1 = -1, x2 = -1, y2 = -1;
const uint8_t *p;
p = av_packet_get_side_data(pkt, AV_PKT_DATA_SUBTITLE_POSITION, &size);
if (p && size == 16) {
x1 = AV_RL32(p );
y1 = AV_RL32(p + 4);
x2 = AV_RL32(p + 8);
y2 = AV_RL32(p + 12);
}
if (d <= 0)
/* For backward compatibility, fallback to convergence_duration. */
d = pkt->convergence_duration;
if (s == AV_NOPTS_VALUE || d < 0) {
av_log(avf, AV_LOG_WARNING,
"Insufficient timestamps in event number %d.\n", srt->index);
return 0;
}
e = s + d;
avio_printf(avf->pb, "%d\n%02d:%02d:%02d,%03d --> %02d:%02d:%02d,%03d",
srt->index,
(int)(s / 3600000), (int)(s / 60000) % 60,
(int)(s / 1000) % 60, (int)(s % 1000),
(int)(e / 3600000), (int)(e / 60000) % 60,
(int)(e / 1000) % 60, (int)(e % 1000));
if (p)
avio_printf(avf->pb, " X1:%03d X2:%03d Y1:%03d Y2:%03d",
x1, x2, y1, y2);
avio_printf(avf->pb, "\n");
}
avio_write(avf->pb, pkt->data, pkt->size);
if (write_ts)
avio_write(avf->pb, "\n\n", 2);
avio_flush(avf->pb);
srt->index++;
return 0;
}
static int seg_write_packet(AVFormatContext *s, AVPacket *pkt)
{
SegmentContext *seg = s->priv_data;
AVFormatContext *oc = seg->avf;
AVStream *st = s->streams[pkt->stream_index];
int64_t end_pts = seg->recording_time * seg->number;
int ret, can_split = 1;
if (!oc)
return AVERROR(EINVAL);
if (seg->has_video) {
can_split = st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
pkt->flags & AV_PKT_FLAG_KEY;
}
if (can_split && av_compare_ts(pkt->pts, st->time_base, end_pts,
AV_TIME_BASE_Q) >= 0) {
av_log(s, AV_LOG_DEBUG, "Next segment starts at %d %"PRId64"\n",
pkt->stream_index, pkt->pts);
ret = segment_end(oc, seg->individual_header_trailer);
if (!ret)
ret = segment_start(s, seg->individual_header_trailer);
if (ret)
goto fail;
oc = seg->avf;
if (seg->list) {
if (seg->list_type == LIST_HLS) {
if ((ret = segment_hls_window(s, 0)) < 0)
goto fail;
} else {
avio_printf(seg->pb, "%s\n", oc->filename);
avio_flush(seg->pb);
if (seg->size && !(seg->number % seg->size)) {
ff_format_io_close(s, &seg->pb);
if ((ret = s->io_open(s, &seg->pb, seg->list,
AVIO_FLAG_WRITE, NULL)) < 0)
goto fail;
}
}
}
}
ret = ff_write_chained(oc, pkt->stream_index, pkt, s);
fail:
if (ret < 0)
seg_free_context(seg);
return ret;
}
static char *choose_pix_fmts(OutputStream *ost)
{
AVDictionaryEntry *strict_dict = av_dict_get(ost->encoder_opts, "strict", NULL, 0);
if(strict_dict)
// used by choose_pixel_fmt() and below
{
av_opt_set(ost->enc_ctx, "strict", strict_dict->value, 0);
}
if(ost->keep_pix_fmt)
{
if(ost->filter)
avfilter_graph_set_auto_convert(ost->filter->graph->graph,
AVFILTER_AUTO_CONVERT_NONE);
if(ost->enc_ctx->pix_fmt == AV_PIX_FMT_NONE)
{
return NULL;
}
return av_strdup(av_get_pix_fmt_name(ost->enc_ctx->pix_fmt));
}
if(ost->enc_ctx->pix_fmt != AV_PIX_FMT_NONE)
{
return av_strdup(av_get_pix_fmt_name(choose_pixel_fmt(ost->st, ost->enc_ctx, ost->enc, ost->enc_ctx->pix_fmt)));
}
else if(ost->enc && ost->enc->pix_fmts)
{
const enum AVPixelFormat *p;
AVIOContext *s = NULL;
uint8_t *ret;
int len;
if(avio_open_dyn_buf(&s) < 0)
{
exit_program(1);
}
p = ost->enc->pix_fmts;
if(ost->enc_ctx->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL)
{
p = get_compliance_unofficial_pix_fmts(ost->enc_ctx->codec_id, p);
}
for(; *p != AV_PIX_FMT_NONE; p++)
{
const char *name = av_get_pix_fmt_name(*p);
avio_printf(s, "%s|", name);
}
len = avio_close_dyn_buf(s, &ret);
ret[len - 1] = 0;
return ret;
}
else
{
return NULL;
}
}
int ff_framehash_write_header(AVFormatContext *s)
{
int i;
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
avpriv_set_pts_info(st, 64, st->codec->time_base.num, st->codec->time_base.den);
avio_printf(s->pb, "#tb %d: %d/%d\n", i, st->time_base.num, st->time_base.den);
avio_flush(s->pb);
}
return 0;
}
static void framehash_print_extradata(struct AVFormatContext *s)
{
int i;
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
AVCodecParameters *par = st->codecpar;
if (par->extradata) {
struct HashContext *c = s->priv_data;
char buf[AV_HASH_MAX_SIZE*2+1];
avio_printf(s->pb, "#extradata %d, %31d, ", i, par->extradata_size);
av_hash_init(c->hash);
av_hash_update(c->hash, par->extradata, par->extradata_size);
av_hash_final_hex(c->hash, buf, sizeof(buf));
avio_write(s->pb, buf, strlen(buf));
avio_printf(s->pb, "\n");
}
}
}
static void ini_print_array_header(const char *name, int plain_values)
{
if (!plain_values) {
/* Add a new line if we create a new full group */
if (octx.prefix[octx.level -1].nb_elems)
avio_printf(probe_out, "\n");
} else {
ini_escape_print(name);
avio_w8(probe_out, '=');
}
}
/* RTSP 관련 처리 */
static void rtsp_reply_header(RTSPContext *c, enum RTSPStatusCode error_number)
{
const char *str;
time_t ti;
struct tm *tm;
char buf2[32];
str = RTSP_STATUS_CODE2STRING(error_number);
//str = "OK";
if (!str)
str = "Unknown Error";
avio_printf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
avio_printf(c->pb, "CSeq: %d\r\n", c->seq);
/* output GMT time */
ti = time(NULL);
tm = gmtime(&ti);
strftime(buf2, sizeof(buf2), "%a, %d %b %Y %H:%M:%S", tm);
avio_printf(c->pb, "Date: %s GMT\r\n", buf2);
}
static void ini_escape_print(const char *s)
{
int i = 0;
char c = 0;
while (c = s[i++]) {
switch (c) {
case '\r': avio_printf(probe_out, "%s", "\\r"); break;
case '\n': avio_printf(probe_out, "%s", "\\n"); break;
case '\f': avio_printf(probe_out, "%s", "\\f"); break;
case '\b': avio_printf(probe_out, "%s", "\\b"); break;
case '\t': avio_printf(probe_out, "%s", "\\t"); break;
case '\\':
case '#' :
case '=' :
case ':' : avio_w8(probe_out, '\\');
default:
if ((unsigned char)c < 32)
avio_printf(probe_out, "\\x00%02x", c & 0xff);
else
avio_w8(probe_out, c);
break;
}
}
}
