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hls2rtp.c
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/*
* Copyright (c) 2015 Arnaud de Turckheim <quarium@gmail.com>
* Copyright (c) 2016-2018 OpenHeadend S.A.R.L.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject
* to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#undef NDEBUG
#include <stdlib.h>
#include <getopt.h>
#include <unistd.h>
#include <ctype.h>
#include <syslog.h>
#include "upipe/config.h"
#include "upipe/upipe_dump.h"
#include "upipe/uprobe.h"
#include "upipe/uprobe_helper_uprobe.h"
#include "upipe/uprobe_helper_urefcount.h"
#include "upipe/uprobe_helper_alloc.h"
#include "upipe/uprobe_stdio.h"
#include "upipe/uprobe_syslog.h"
#include "upipe/uprobe_prefix.h"
#include "upipe/uprobe_select_flows.h"
#include "upipe/uprobe_uref_mgr.h"
#include "upipe/uprobe_ubuf_mem.h"
#include "upipe/uprobe_uclock.h"
#include "upipe/uprobe_source_mgr.h"
#include "upipe/uprobe_dejitter.h"
#include "upipe/uclock.h"
#include "upipe/uclock_std.h"
#include "upipe/umem.h"
#include "upipe/umem_pool.h"
#include "upipe/udict.h"
#include "upipe/udict_inline.h"
#include "upipe/uref.h"
#include "upipe/uref_std.h"
#include "upipe/uref_m3u.h"
#include "upipe/uref_m3u_master.h"
#include "upipe/uref_dump.h"
#include "upipe/uref_pic.h"
#include "upipe/upump.h"
#include "upump-ev/upump_ev.h"
#include "upipe-modules/upipe_auto_source.h"
#include "upipe-modules/upipe_file_source.h"
#include "upipe-modules/upipe_http_source.h"
#include "upipe-modules/upipe_trickplay.h"
#include "upipe-modules/upipe_rtp_prepend.h"
#include "upipe-modules/upipe_file_sink.h"
#include "upipe-modules/upipe_udp_sink.h"
#include "upipe-modules/upipe_rtp_h264.h"
#include "upipe-modules/upipe_rtp_mpeg4.h"
#include "upipe-modules/upipe_probe_uref.h"
#include "upipe-modules/upipe_setflowdef.h"
#include "upipe-modules/upipe_time_limit.h"
#include "upipe-modules/upipe_worker_sink.h"
#include "upipe-modules/upipe_dejitter.h"
#include "upipe-modules/upipe_delay.h"
#include "upipe-hls/upipe_hls.h"
#include "upipe-hls/upipe_hls_playlist.h"
#include "upipe-hls/uref_hls.h"
#include "upipe-ts/upipe_ts_mux.h"
#include "upipe-pthread/uprobe_pthread_upump_mgr.h"
#include "upipe-pthread/upipe_pthread_transfer.h"
#include "upipe-pthread/umutex_pthread.h"
#ifdef UPIPE_HAVE_BEARSSL_H
#include "upipe-bearssl/uprobe_https.h"
#endif
#include <pthread.h>
struct output {
uint16_t port;
uint32_t rtp_type;
bool enabled;
struct upipe *pipe;
struct upipe *sink;
};
#define UMEM_POOL 512
#define UREF_POOL_DEPTH 500
#define UBUF_POOL_DEPTH 3000
#define UBUF_SHARED_POOL_DEPTH 50
#define UDICT_POOL_DEPTH 500
#define UPUMP_POOL 10
#define UPUMP_BLOCKER_POOL 10
#define WSINK_QUEUE_LENGTH 255
#define XFER_QUEUE 255
#define XFER_POOL 20
#define QUEUE_LENGTH 255
#define PADDING_OCTETRATE 128000
#define TS_PAYLOAD_SIZE 1316
#define MAX_GAP (UCLOCK_FREQ)
#define DEFAULT_TIME_LIMIT (UCLOCK_FREQ * 10)
/** 2^33 (max resolution of PCR, PTS and DTS) */
#define POW2_33 UINT64_C(8589934592)
/** max resolution of PCR, PTS and DTS */
#define TS_CLOCK_MAX (POW2_33 * UCLOCK_FREQ / 90000)
static int log_level = UPROBE_LOG_INFO;
static uint64_t variant_id = UINT64_MAX;
static uint64_t bandwidth_max = UINT64_MAX;
static const char *url = NULL;
static const char *addr = "127.0.0.1";
static const char *dump = NULL;
static struct output video_output = {
.port = 5004,
.rtp_type = 96,
.enabled = true,
.pipe = NULL,
.sink = NULL,
};
static struct output audio_output = {
.port = 5006,
.rtp_type = 97,
.enabled = true,
.pipe = NULL,
.sink = NULL,
};
static bool rewrite_date = false;
static uint64_t quit_timeout = 0;
static uint64_t seek = 0;
static uint64_t sequence = 0;
static uint64_t delay = 0;
static uint64_t mux_max_delay = UINT64_MAX;
static uint64_t min_deviation = UINT64_MAX;
static struct upipe *src = NULL;
static struct upipe *hls = NULL;
static struct upipe *variant = NULL;
static struct upipe *ts_mux = NULL;
static struct upipe *dejitter = NULL;
static struct upipe_mgr *probe_uref_mgr = NULL;
static struct upipe_mgr *time_limit_mgr = NULL;
static struct upipe_mgr *delay_mgr = NULL;
static struct upipe_mgr *rtp_prepend_mgr = NULL;
static struct upipe_mgr *udpsink_mgr = NULL;
static struct upipe_mgr *setflowdef_mgr = NULL;
static struct uprobe *main_probe = NULL;
static struct uprobe *dejitter_probe = NULL;
static struct uref_mgr *uref_mgr;
static struct upump *quit_timeout_pump = NULL;
static struct uprobe *uprobe_rewrite_date_alloc(struct uprobe *next,
bool video);
static struct uprobe *uprobe_variant_alloc(struct uprobe *next,
uint64_t id, uint64_t at);
static struct uprobe *uprobe_audio_alloc(struct uprobe *next);
static struct uprobe *uprobe_video_alloc(struct uprobe *next);
static struct uprobe *uprobe_seek_alloc(struct uprobe *next, uint64_t at);
static struct uprobe *uprobe_playlist_alloc(struct uprobe *next,
uint64_t variant_id,
uint64_t at);
static void cmd_quit(void);
/** @This releases a pipe and sets the pointer to NULL.
*
* @param upipe_p pointer to a pipe
*/
static inline void upipe_cleanup(struct upipe **upipe_p)
{
if (upipe_p) {
upipe_release(*upipe_p);
*upipe_p = NULL;
}
}
static int select_variant(struct uprobe *uprobe)
{
struct uref *uref_variant = NULL;
uint64_t bandwidth_variant = 0;
for (struct uref *uref = NULL;
ubase_check(upipe_split_iterate(hls, &uref)) && uref;) {
uint64_t id;
ubase_assert(uref_flow_get_id(uref, &id));
uint64_t bandwidth = 0;
uref_m3u_master_get_bandwidth(uref, &bandwidth);
if (variant_id == id) {
uref_variant = uref;
break;
}
if ((!bandwidth && !uref_variant) ||
(bandwidth <= bandwidth_max && bandwidth > bandwidth_variant)) {
uref_variant = uref;
bandwidth_variant = bandwidth;
}
}
if (!uref_variant) {
uprobe_warn_va(uprobe, NULL, "no variant %"PRIu64, variant_id);
return UBASE_ERR_INVALID;
}
uprobe_notice_va(uprobe, NULL, "selected variant");
uref_dump(uref_variant, uprobe);
variant = upipe_flow_alloc_sub(
hls,
uprobe_pfx_alloc(
uprobe_variant_alloc(uprobe_use(main_probe),
variant_id, seek),
UPROBE_LOG_VERBOSE, "variant"),
uref_variant);
seek = 0;
UBASE_ALLOC_RETURN(variant);
return UBASE_ERR_NONE;
}
static void cmd_start(void)
{
upipe_cleanup(&audio_output.pipe);
upipe_cleanup(&video_output.pipe);
upipe_cleanup(&variant);
if (!ubase_check(select_variant(main_probe)))
cmd_quit();
}
/** @This stops the current variant. */
static void cmd_stop(void)
{
upipe_cleanup(&audio_output.pipe);
upipe_cleanup(&video_output.pipe);
upipe_cleanup(&variant);
}
/** @This quits the program.
*/
static void cmd_quit(void)
{
if (quit_timeout)
upump_start(quit_timeout_pump);
#if 0
/* FIXME this requires being in the sink thread */
if (ts_mux) {
struct upipe *superpipe;
if (ubase_check(upipe_sub_get_super(ts_mux, &superpipe)))
upipe_ts_mux_freeze_psi(superpipe);
}
#endif
if (dump != NULL)
upipe_dump_open(NULL, NULL, dump, NULL, src, NULL);
cmd_stop();
upipe_cleanup(&hls);
upipe_cleanup(&src);
upipe_cleanup(&ts_mux);
upipe_cleanup(&variant);
upipe_cleanup(&src);
upipe_cleanup(&video_output.sink);
upipe_cleanup(&audio_output.sink);
upipe_cleanup(&dejitter);
}
/** @This handles SIGINT and SIGTERM signal. */
static void sigint_cb(struct upump *upump)
{
static bool graceful = true;
if (graceful)
cmd_quit();
else
exit(-1);
graceful = false;
}
/** @This handles SIGINT and SIGTERM signal. */
static void quit_timeout_cb(struct upump *upump)
{
uprobe_warn(main_probe, NULL, "quit timeout");
exit(-1);
}
/** @This handles seek.
*
* @param seek seek value as a string
*/
static void cmd_seek(const char *seek)
{
}
/** @This handles select command. */
static void cmd_select(const char *id)
{
variant_id = strtoull(id, NULL, 10);
}
/** @This handles stdin events. */
static void stdin_cb(struct upump *upump)
{
char cmd_buffer[2048];
int rsize = read(STDIN_FILENO, cmd_buffer, sizeof (cmd_buffer) - 1);
if (rsize <= 0)
return;
cmd_buffer[rsize] = '\0';
char *cmd = cmd_buffer;
while (isspace(*cmd))
cmd++;
char *last = cmd + strlen(cmd);
while (last != cmd && *--last == '\n')
*last = '\0';
if (!strcmp("quit", cmd))
cmd_quit();
else if (!strcmp("stop", cmd))
cmd_stop();
else if (!strcmp("start", cmd))
cmd_start();
else if (!strncmp("seek ", cmd, sizeof ("seek ") - 1))
cmd_seek(cmd + sizeof ("seek ") - 1);
else if (!strncmp("select ", cmd, sizeof ("select ") - 1))
cmd_select(cmd + sizeof ("select ") - 1);
else if (!strlen(cmd))
return;
else
fprintf(stderr, "unknowned command \"%s\"\n", cmd);
}
/** @This is the private context of a seek probe */
struct uprobe_seek {
struct uprobe probe;
uint64_t at;
uint64_t pts;
};
UPROBE_HELPER_UPROBE(uprobe_seek, probe);
/** @This is the private context of a video probe */
struct uprobe_video {
struct uprobe probe;
uint64_t at;
};
UPROBE_HELPER_UPROBE(uprobe_video, probe);
UPROBE_HELPER_UREFCOUNT(uprobe_video);
/** @This is the private context of an audio probe */
struct uprobe_audio {
struct uprobe probe;
};
UPROBE_HELPER_UPROBE(uprobe_audio, probe);
UPROBE_HELPER_UREFCOUNT(uprobe_audio);
/** @This is the private context of a playlist probe */
struct uprobe_playlist {
struct uprobe probe;
uint64_t at;
uint64_t variant_id;
struct uprobe_video *video;
struct uprobe_audio *audio;
};
UPROBE_HELPER_UPROBE(uprobe_playlist, probe);
UPROBE_HELPER_UREFCOUNT(uprobe_playlist);
/** @This is the private context of a variant probe */
struct uprobe_variant {
struct uprobe probe;
uint64_t id;
uint64_t at;
struct uprobe_playlist *video;
struct uprobe_playlist *audio;
};
UPROBE_HELPER_UPROBE(uprobe_variant, probe);
/** @This is the private context of a rewrite date probe */
struct uprobe_rewrite_date {
struct uprobe probe;
bool video;
uint64_t last_cr;
int64_t timestamp_offset;
uint64_t timestamp_highest;
};
UPROBE_HELPER_UPROBE(uprobe_rewrite_date, probe);
/** @This is the rewrite date callback */
static int catch_rewrite_date(struct uprobe *uprobe, struct upipe *upipe,
int event, va_list args)
{
struct uprobe_rewrite_date *probe_rewrite_date =
uprobe_rewrite_date_from_uprobe(uprobe);
if (event != UPROBE_PROBE_UREF ||
ubase_get_signature(args) != UPIPE_PROBE_UREF_SIGNATURE)
return uprobe_throw_next(uprobe, upipe, event, args);
UBASE_SIGNATURE_CHECK(args, UPIPE_PROBE_UREF_SIGNATURE);
struct uref *uref = va_arg(args, struct uref *);
int type;
uint64_t date;
uref_clock_get_date_orig(uref, &date, &type);
if (type == UREF_DATE_NONE)
return UBASE_ERR_NONE;
uint64_t delta = (TS_CLOCK_MAX + date -
(probe_rewrite_date->last_cr % TS_CLOCK_MAX)) %
TS_CLOCK_MAX;
if (delta < MAX_GAP)
probe_rewrite_date->last_cr += delta;
else {
upipe_warn_va(upipe, "clock ref discontinuity %"PRIu64, delta);
probe_rewrite_date->last_cr = date;
probe_rewrite_date->timestamp_offset =
probe_rewrite_date->timestamp_highest - date;
}
delta = (TS_CLOCK_MAX + date -
(probe_rewrite_date->last_cr % TS_CLOCK_MAX)) % TS_CLOCK_MAX;
upipe_verbose_va(upipe, "rewrite %"PRIu64" -> %"PRIu64, date,
probe_rewrite_date->timestamp_offset +
probe_rewrite_date->last_cr + delta);
date = probe_rewrite_date->timestamp_offset +
probe_rewrite_date->last_cr + delta;
uref_clock_set_date_prog(uref, date, type);
if (date > probe_rewrite_date->timestamp_highest)
probe_rewrite_date->timestamp_highest = date;
return UBASE_ERR_NONE;
}
/** @This initializes a rewrite date probe. */
static struct uprobe *
uprobe_rewrite_date_init(struct uprobe_rewrite_date *probe_rewrite_date,
struct uprobe *next, bool video)
{
struct uprobe *probe = uprobe_rewrite_date_to_uprobe(probe_rewrite_date);
uprobe_init(probe, catch_rewrite_date, next);
probe_rewrite_date->video = video;
probe_rewrite_date->last_cr = TS_CLOCK_MAX;
probe_rewrite_date->timestamp_offset = 0;
probe_rewrite_date->timestamp_highest = TS_CLOCK_MAX;
return probe;
}
/** @This cleans a rewrite date probe */
static void uprobe_rewrite_date_clean(struct uprobe_rewrite_date *probe)
{
uprobe_clean(uprobe_rewrite_date_to_uprobe(probe));
}
#define ARGS_DECL struct uprobe *next, bool video
#define ARGS next, video
UPROBE_HELPER_ALLOC(uprobe_rewrite_date);
#undef ARGS
#undef ARGS_DECL
/** @This is the seek probe callback */
static int catch_seek(struct uprobe *uprobe, struct upipe *upipe,
int event, va_list args)
{
struct uprobe_seek *probe_seek = uprobe_seek_from_uprobe(uprobe);
if (event < UPROBE_LOCAL ||
ubase_get_signature(args) != UPIPE_PROBE_UREF_SIGNATURE)
return uprobe_throw_next(uprobe, upipe, event, args);
UBASE_SIGNATURE_CHECK(args, UPIPE_PROBE_UREF_SIGNATURE);
struct uref *uref = va_arg(args, struct uref *);
va_arg(args, struct upump **);
bool *drop = va_arg(args, bool *);
*drop = false;
uint64_t pts;
if (!ubase_check(uref_clock_get_pts_prog(uref, &pts))) {
uprobe_warn(uprobe, NULL, "no PTS prog, drop...");
*drop = true;
return UBASE_ERR_NONE;
}
if (probe_seek->at) {
probe_seek->pts = pts + probe_seek->at;
uprobe_notice_va(uprobe, NULL,
"seek PTS %"PRIu64" (%"PRIu64")",
probe_seek->pts, probe_seek->at);
probe_seek->at = 0;
}
if (probe_seek->pts) {
if (pts < probe_seek->pts || !ubase_check(uref_pic_get_key(uref)))
*drop = true;
else
probe_seek->pts = 0;
}
return UBASE_ERR_NONE;
}
static struct uprobe *uprobe_seek_init(struct uprobe_seek *probe_seek,
struct uprobe *next,
uint64_t at)
{
struct uprobe *probe = uprobe_seek_to_uprobe(probe_seek);
uprobe_init(probe, catch_seek, next);
probe_seek->at = at;
probe_seek->pts = 0;
return probe;
}
static void uprobe_seek_clean(struct uprobe_seek *probe_seek)
{
uprobe_clean(uprobe_seek_to_uprobe(probe_seek));
}
#define ARGS_DECL struct uprobe *next, uint64_t at
#define ARGS next, at
UPROBE_HELPER_ALLOC(uprobe_seek);
#undef ARGS
#undef ARGS_DECL
/*
* catch audio stream
*/
static int catch_audio(struct uprobe *uprobe,
struct upipe *upipe,
int event, va_list args)
{
switch (event) {
case UPROBE_NEED_OUTPUT: {
struct upipe *output = upipe_use(upipe);
if (rewrite_date) {
output = upipe_void_chain_output(
output, probe_uref_mgr,
uprobe_pfx_alloc(
uprobe_rewrite_date_alloc(uprobe_use(main_probe), false),
UPROBE_LOG_VERBOSE, "rewrite sound"));
assert(output);
}
if (dejitter) {
if (!video_output.pipe) {
upipe_set_output(output, dejitter);
upipe_release(output);
output = upipe_use(dejitter);
}
else {
output = upipe_void_chain_output_sub(
output, dejitter,
uprobe_pfx_alloc(
uprobe_use(dejitter_probe),
UPROBE_LOG_VERBOSE, "dejitter sound"));
assert(output);
}
}
int ret = upipe_set_output(output, audio_output.sink);
upipe_release(output);
return ret;
}
}
return uprobe_throw_next(uprobe, upipe, event, args);
}
static struct uprobe *uprobe_audio_init(struct uprobe_audio *probe_audio,
struct uprobe *next)
{
struct uprobe *probe = uprobe_audio_to_uprobe(probe_audio);
uprobe_init(probe, catch_audio, next);
return probe;
}
static void uprobe_audio_clean(struct uprobe_audio *probe_audio)
{
uprobe_clean(uprobe_audio_to_uprobe(probe_audio));
}
#define ARGS_DECL struct uprobe *next
#define ARGS next
UPROBE_HELPER_ALLOC(uprobe_audio);
#undef ARGS
#undef ARGS_DECL
/*
* catch video stream
*/
static int catch_video(struct uprobe *uprobe,
struct upipe *upipe,
int event, va_list args)
{
struct uprobe_video *probe_video = uprobe_video_from_uprobe(uprobe);
switch (event) {
case UPROBE_NEED_OUTPUT: {
struct upipe *output = upipe_use(upipe);
if (rewrite_date) {
output = upipe_void_chain_output(
output, probe_uref_mgr,
uprobe_pfx_alloc(
uprobe_rewrite_date_alloc(uprobe_use(main_probe), true),
UPROBE_LOG_VERBOSE, "rewrite pic"));
assert(output);
}
output = upipe_void_chain_output(
output, probe_uref_mgr,
uprobe_pfx_alloc(
uprobe_seek_alloc(uprobe_use(main_probe), probe_video->at),
UPROBE_LOG_VERBOSE, "seek"));
UBASE_ALLOC_RETURN(output);
if (dejitter) {
upipe_set_output(output, dejitter);
upipe_release(output);
output = upipe_use(dejitter);
}
int ret = upipe_set_output(output, video_output.sink);
upipe_release(output);
return ret;
}
}
return uprobe_throw_next(uprobe, upipe, event, args);
}
static struct uprobe *uprobe_video_init(struct uprobe_video *probe_video,
struct uprobe *next)
{
struct uprobe *probe = uprobe_video_to_uprobe(probe_video);
uprobe_init(probe, catch_video, next);
probe_video->at = 0;
return probe;
}
static void uprobe_video_clean(struct uprobe_video *probe_video)
{
uprobe_clean(uprobe_video_to_uprobe(probe_video));
}
#define ARGS_DECL struct uprobe *next
#define ARGS next
UPROBE_HELPER_ALLOC(uprobe_video);
#undef ARGS
#undef ARGS_DECL
/*
* playlist events
*/
static int catch_playlist(struct uprobe *uprobe,
struct upipe *upipe,
int event, va_list args)
{
struct uprobe_playlist *probe_playlist =
uprobe_playlist_from_uprobe(uprobe);
int ret;
if (event < UPROBE_LOCAL)
return uprobe_throw_next(uprobe, upipe, event, args);
if (ubase_get_signature(args) != UPIPE_HLS_PLAYLIST_SIGNATURE)
return uprobe_throw_next(uprobe, upipe, event, args);
switch (event) {
case UPROBE_HLS_PLAYLIST_RELOADED: {
UBASE_SIGNATURE_CHECK(args, UPIPE_HLS_PLAYLIST_SIGNATURE);
uprobe_notice(uprobe, NULL, "playlist reloaded");
uint64_t at = probe_playlist->at;
if (at) {
uint64_t remain = 0;
uprobe_notice_va(uprobe, NULL, "seek at %"PRIu64, at);
ret = upipe_hls_playlist_seek(upipe, at, &remain);
if (!ubase_check(ret)) {
cmd_quit();
return ret;
}
if (probe_playlist->video)
probe_playlist->video->at = remain;
probe_playlist->at = 0;
}
else if (sequence) {
ret = upipe_hls_playlist_set_index(upipe, sequence);
if (!ubase_check(ret))
cmd_quit();
}
ret = upipe_hls_playlist_play(upipe);
if (!ubase_check(ret))
cmd_quit();
return ret;
}
case UPROBE_HLS_PLAYLIST_ITEM_END:
UBASE_SIGNATURE_CHECK(args, UPIPE_HLS_PLAYLIST_SIGNATURE);
UBASE_RETURN(upipe_hls_playlist_next(upipe));
UBASE_RETURN(upipe_hls_playlist_get_index(upipe, &sequence));
if (variant_id != probe_playlist->variant_id) {
upipe_cleanup(&video_output.pipe);
upipe_cleanup(&audio_output.pipe);
upipe_cleanup(&variant);
ret = select_variant(uprobe);
if (!ubase_check(ret))
cmd_quit();
return ret;
}
ret = upipe_hls_playlist_play(upipe);
if (!ubase_check(ret))
cmd_quit();
return ret;
}
return uprobe_throw_next(uprobe, upipe, event, args);
}
static struct uprobe *
uprobe_playlist_init(struct uprobe_playlist *probe_playlist,
struct uprobe *next,
uint64_t variant_id,
uint64_t at)
{
struct uprobe *probe = uprobe_playlist_to_uprobe(probe_playlist);
uprobe_init(probe, catch_playlist, next);
probe_playlist->variant_id = variant_id;
probe_playlist->at = at;
probe_playlist->video = NULL;
probe_playlist->audio = NULL;
return probe;
}
static void uprobe_playlist_set_video(struct uprobe_playlist *probe,
struct uprobe_video *video)
{
uprobe_video_release(probe->video);
probe->video = uprobe_video_use(video);
}
static void uprobe_playlist_set_audio(struct uprobe_playlist *probe,
struct uprobe_audio *audio)
{
uprobe_audio_release(probe->audio);
probe->audio = uprobe_audio_use(audio);
}
static void uprobe_playlist_clean(struct uprobe_playlist *probe_playlist)
{
uprobe_playlist_set_video(probe_playlist, NULL);
uprobe_playlist_set_audio(probe_playlist, NULL);
uprobe_clean(uprobe_playlist_to_uprobe(probe_playlist));
}
#define ARGS_DECL struct uprobe *next, uint64_t variant_id, uint64_t at
#define ARGS next, variant_id, at
UPROBE_HELPER_ALLOC(uprobe_playlist);
#undef ARGS
#undef ARGS_DECL
/*
* variant events
*/
static void uprobe_variant_set_video(struct uprobe_variant *variant,
struct uprobe_playlist *video)
{
uprobe_playlist_release(variant->video);
variant->video = uprobe_playlist_use(video);
}
static void uprobe_variant_set_audio(struct uprobe_variant *variant,
struct uprobe_playlist *audio)
{
uprobe_playlist_release(variant->audio);
variant->audio = uprobe_playlist_use(audio);
}
static int catch_variant(struct uprobe *uprobe,
struct upipe *upipe,
int event, va_list args)
{
struct uprobe_variant *probe_variant =
uprobe_variant_from_uprobe(uprobe);
switch (event) {
case UPROBE_SPLIT_UPDATE: {
struct uref *uref_video = NULL;
struct uref *uref_audio = NULL;
/* find an audio and a video item */
uprobe_notice_va(uprobe, NULL, "variant list:");
for (struct uref *uref = NULL;
ubase_check(upipe_split_iterate(upipe, &uref)) && uref;) {
uint64_t id;
ubase_assert(uref_flow_get_id(uref, &id));
const char *def;
ubase_assert(uref_flow_get_def(uref, &def));
uprobe_notice_va(uprobe, NULL, "%"PRIu64" - %s", id, def);
uref_dump(uref, uprobe);
if (ubase_check(uref_flow_match_def(uref, "void."))) {
if (uref_video == NULL)
uref_video = uref;
if (uref_audio == NULL)
uref_audio = uref;
}
else if (ubase_check(uref_flow_match_def(uref, "sound."))) {
if (ubase_check(uref_hls_get_default(uref)) || !uref_audio)
uref_audio = uref;
}
else if (ubase_check(uref_flow_match_def(uref, "pic."))) {
if (ubase_check(uref_hls_get_default(uref)) || !uref_video)
uref_video = uref;
}
else {
uprobe_warn_va(uprobe, NULL, "unhandled flow %s", def);
}
}
if (!audio_output.enabled)
uref_audio = NULL;
if (!video_output.enabled)
uref_video = NULL;
uint64_t audio_id, video_id;
if (uref_audio && uref_video &&
ubase_check(uref_flow_get_id(uref_audio, &audio_id)) &&
ubase_check(uref_flow_get_id(uref_video, &video_id)) &&
audio_id == video_id) {
struct uprobe *probe_video =
uprobe_video_alloc(uprobe_use(main_probe));
struct uprobe *probe_audio =
uprobe_audio_alloc(uprobe_use(main_probe));
struct uprobe *probe_playlist =
uprobe_playlist_alloc(
uprobe_selflow_alloc(
uprobe_selflow_alloc(
uprobe_use(main_probe),
uprobe_pfx_alloc(probe_audio,
UPROBE_LOG_VERBOSE, "sound"),
UPROBE_SELFLOW_SOUND, "auto"),
uprobe_pfx_alloc(probe_video,
UPROBE_LOG_VERBOSE, "pic"),
UPROBE_SELFLOW_PIC, "auto"),
probe_variant->id,
probe_variant->at);
uprobe_playlist_set_video(
uprobe_playlist_from_uprobe(probe_playlist),
uprobe_video_from_uprobe(probe_video));
uprobe_playlist_set_audio(
uprobe_playlist_from_uprobe(probe_playlist),
uprobe_audio_from_uprobe(probe_audio));
uprobe_variant_set_video(
probe_variant, uprobe_playlist_from_uprobe(probe_playlist));
uprobe_variant_set_audio(
probe_variant, uprobe_playlist_from_uprobe(probe_playlist));
video_output.pipe = upipe_flow_alloc_sub(
upipe,
uprobe_pfx_alloc(probe_playlist, UPROBE_LOG_VERBOSE, "mixed"),
uref_audio);
audio_output.pipe = upipe_use(video_output.pipe);
upipe_attach_uclock(video_output.pipe);
}
else {
if (uref_audio) {
struct uprobe *probe_audio =
uprobe_audio_alloc(uprobe_use(main_probe));
struct uprobe *probe_playlist =
uprobe_playlist_alloc(
probe_audio,
probe_variant->id,
probe_variant->at);
uprobe_playlist_set_audio(
uprobe_playlist_from_uprobe(probe_playlist),
uprobe_audio_from_uprobe(probe_audio));
uprobe_variant_set_audio(
probe_variant, uprobe_playlist_from_uprobe(probe_playlist));
audio_output.pipe = upipe_flow_alloc_sub(
upipe,
uprobe_pfx_alloc_va(
probe_playlist,
UPROBE_LOG_VERBOSE, "audio %"PRIu64,
probe_variant->id),
uref_audio);
}
else
uprobe_warn(uprobe, NULL, "no audio");
if (uref_video) {
struct uprobe *probe_video =
uprobe_video_alloc(uprobe_use(main_probe));
struct uprobe *probe_playlist =
uprobe_playlist_alloc(
uprobe_selflow_alloc(
uprobe_use(main_probe),
probe_video,
UPROBE_SELFLOW_PIC, "auto"),
probe_variant->id,
probe_variant->at);
uprobe_playlist_set_video(
uprobe_playlist_from_uprobe(probe_playlist),
uprobe_video_from_uprobe(probe_video));
uprobe_variant_set_video(
probe_variant, uprobe_playlist_from_uprobe(probe_playlist));
video_output.pipe = upipe_flow_alloc_sub(
upipe,
uprobe_pfx_alloc_va(
probe_playlist,
UPROBE_LOG_VERBOSE, "video %"PRIu64,
probe_variant->id),
uref_video);
}
else
uprobe_warn(uprobe, NULL, "no video");
}
if (!video_output.pipe && !audio_output.pipe)
cmd_quit();
return UBASE_ERR_NONE;
}
}
return uprobe_throw_next(uprobe, upipe, event, args);
}
static struct uprobe *uprobe_variant_init(struct uprobe_variant *probe_variant,
struct uprobe *next,
uint64_t id, uint64_t at)
{
struct uprobe *probe = uprobe_variant_to_uprobe(probe_variant);
uprobe_init(probe, catch_variant, next);
probe_variant->id = id;
probe_variant->at = at;
probe_variant->video = NULL;
probe_variant->audio = NULL;
return probe;
}
static void uprobe_variant_clean(struct uprobe_variant *probe_variant)
{
uprobe_variant_set_video(probe_variant, NULL);
uprobe_variant_set_audio(probe_variant, NULL);
uprobe_clean(uprobe_variant_to_uprobe(probe_variant));
}
#define ARGS_DECL struct uprobe *next, uint64_t id, uint64_t at
#define ARGS next, id, at
UPROBE_HELPER_ALLOC(uprobe_variant);
#undef ARGS
#undef ARGS_DECL
static int catch_hls(struct uprobe *uprobe,
struct upipe *upipe,
int event, va_list args)
{
int ret;
switch (event) {
case UPROBE_SPLIT_UPDATE: {
uprobe_notice_va(uprobe, NULL, "list:");
for (struct uref *uref = NULL;
ubase_check(upipe_split_iterate(upipe, &uref)) && uref;) {
uint64_t id;
ubase_assert(uref_flow_get_id(uref, &id));
const char *uri = "(none)";
uref_m3u_get_uri(uref, &uri);
uprobe_notice_va(uprobe, NULL, "%"PRIu64" - %s", id, uri);
uref_dump(uref, uprobe);
}
ret = select_variant(uprobe);
if (!ubase_check(ret))
cmd_quit();
return ret;