/** @internal @This checks and parses a "#EXT-X-BYTERANGE" tag.
*
* @param upipe description structure of the pipe
* @param flow_def the current flow definition
* @param line the trailing characters of the line
* @return an error code
*/
static int upipe_m3u_reader_process_byte_range(struct upipe *upipe,
struct uref *flow_def,
const char *line)
{
const char *def;
struct uref *item;
UBASE_RETURN(uref_flow_get_def(flow_def, &def));
if (strcmp(def, M3U_FLOW_DEF) && strcmp(def, PLAYLIST_FLOW_DEF))
return UBASE_ERR_INVALID;
UBASE_RETURN(uref_flow_set_def(flow_def, PLAYLIST_FLOW_DEF));
UBASE_RETURN(upipe_m3u_reader_get_item(upipe, flow_def, &item));
char *endptr = NULL;
unsigned long long byte_range_len = strtoull(line, &endptr, 10);
if (endptr == line || (*endptr != '\0' && *endptr != '@')) {
upipe_warn_va(upipe, "invalid byte range %s", line);
return UBASE_ERR_INVALID;
}
upipe_verbose_va(upipe, "byte range length: %"PRIu64, byte_range_len);
if (*endptr == '@') {
line = endptr + 1;
unsigned long long byte_range_off = strtoull(line, &endptr, 10);
if (endptr == line || *endptr != '\0') {
upipe_warn_va(upipe, "invalid byte range %s", line);
return UBASE_ERR_INVALID;
}
upipe_verbose_va(upipe, "byte range offset: %"PRIu64, byte_range_off);
UBASE_RETURN(uref_m3u_playlist_set_byte_range_off(
item, byte_range_off));
}
return uref_m3u_playlist_set_byte_range_len(item, byte_range_len);
}
/** @internal @This sets the input flow definition.
*
* @param upipe description structure of the pipe
* @param flow_def flow definition packet
* @return an error code
*/
static int upipe_s337_encaps_set_flow_def(struct upipe *upipe,
struct uref *flow_def)
{
if (flow_def == NULL)
return UBASE_ERR_INVALID;
const char *def;
UBASE_RETURN(uref_flow_get_def(flow_def, &def))
uint64_t rate;
UBASE_RETURN(uref_sound_flow_get_rate(flow_def, &rate))
if (ubase_ncmp(def, EXPECTED_FLOW_DEF))
return UBASE_ERR_INVALID;
struct uref *flow_def_dup = uref_dup(flow_def);
if (flow_def_dup == NULL)
return UBASE_ERR_ALLOC;
uref_flow_set_def(flow_def_dup, "sound.s32.s337.a52.");
uref_sound_flow_set_channels(flow_def_dup, 2);
uref_sound_flow_set_sample_size(flow_def_dup, 2*4);
if (!ubase_check(uref_sound_flow_add_plane(flow_def_dup, "lr")) ||
!ubase_check(uref_sound_flow_set_rate(flow_def_dup, rate))) {
uref_free(flow_def_dup);
return UBASE_ERR_ALLOC;
}
upipe_s337_encaps_require_ubuf_mgr(upipe, flow_def_dup);
return UBASE_ERR_NONE;
}
/** @internal @This checks and parses a "#EXT-X-STREAM-INF" tag.
*
* @param upipe description structure of the pipe
* @param flow_def the current flow definition
* @param line the trailing characters of the line
* @return an error code
*/
static int upipe_m3u_reader_ext_x_stream_inf(struct upipe *upipe,
struct uref *flow_def,
const char *line)
{
if (!ubase_check(uref_flow_match_def(flow_def, M3U_FLOW_DEF)) &&
!ubase_check(uref_flow_match_def(flow_def, MASTER_FLOW_DEF)))
return UBASE_ERR_INVALID;
UBASE_RETURN(uref_flow_set_def(flow_def, MASTER_FLOW_DEF));
struct uref *item;
UBASE_RETURN(upipe_m3u_reader_get_item(upipe, flow_def, &item));
const char *iterator = line;
struct ustring name, value;
while (ubase_check(attribute_iterate(&iterator, &name, &value)) &&
iterator != NULL) {
char value_str[value.len + 1];
int err = ustring_cpy(value, value_str, sizeof (value_str));
if (unlikely(!ubase_check(err))) {
upipe_err_va(upipe, "fail to copy ustring %.*s",
(int)value.len, value.at);
continue;
}
if (!ustring_cmp_str(name, "BANDWIDTH")) {
char *endptr;
uint64_t bandwidth = strtoull(value_str, &endptr, 10);
if (endptr == value_str)
return UBASE_ERR_INVALID;
err = uref_m3u_master_set_bandwidth(item, bandwidth);
if (unlikely(!ubase_check(err)))
upipe_err_va(upipe, "fail to set bandwidth to %s", value_str);
}
else if (!ustring_cmp_str(name, "CODECS")) {
err = uref_m3u_master_set_codecs(item, value_str);
if (unlikely(!ubase_check(err)))
upipe_err_va(upipe, "fail to set codecs to %s", value_str);
}
else if (!ustring_cmp_str(name, "AUDIO")) {
err = uref_m3u_master_set_audio(item, value_str);
if (unlikely(!ubase_check(err)))
upipe_err_va(upipe, "fail to set audio to %s", value_str);
}
else if (!ustring_cmp_str(name, "RESOLUTION")) {
err = uref_m3u_master_set_resolution(item, value_str);
if (unlikely(!ubase_check(err)))
upipe_err_va(upipe, "fail to set resolution to %s", value_str);
}
else {
upipe_warn_va(upipe, "ignoring attribute %.*s (%.*s)",
(int)name.len, name.at,
(int)value.len, value.at);
}
}
return UBASE_ERR_NONE;
}
/** @internal @This checks a "#EXT-X-ENDLIST" tag.
*
* @param upipe description structure of the pipe
* @param flow_def the current flow definition
* @param line the trailing characters of the line
* @return an error code
*/
static int upipe_m3u_reader_ext_x_endlist(struct upipe *upipe,
struct uref *flow_def,
const char *line)
{
const char *def;
UBASE_RETURN(uref_flow_get_def(flow_def, &def));
if (strcmp(def, M3U_FLOW_DEF) && strcmp(def, PLAYLIST_FLOW_DEF))
return UBASE_ERR_INVALID;
UBASE_RETURN(uref_flow_set_def(flow_def, PLAYLIST_FLOW_DEF));
upipe_verbose(upipe, "endlist tag");
return uref_m3u_playlist_flow_set_endlist(flow_def);
}
/** @internal @This handles data.
*
* @param upipe description structure of the pipe
* @param uref uref structure
* @param upump_p reference to pump that generated the buffer
* @return false if the input must be blocked
*/
static bool upipe_tblk_handle(struct upipe *upipe, struct uref *uref,
struct upump **upump_p)
{
struct upipe_tblk *upipe_tblk = upipe_tblk_from_upipe(upipe);
const char *def;
if (unlikely(ubase_check(uref_flow_get_def(uref, &def)))) {
if (!ubase_ncmp(def, "pic.")) {
upipe_tblk->input_alloc = UBUF_ALLOC_PICTURE;
uref_pic_flow_clear_format(uref);
uref_flow_set_def(uref, "block.");
} else if (!ubase_ncmp(def, "sound.")) {
upipe_tblk->input_alloc = UBUF_ALLOC_SOUND;
uref_sound_flow_clear_format(uref);
uref_flow_set_def(uref, "block.");
} else
upipe_tblk->input_alloc = UBUF_ALLOC_BLOCK;
upipe_tblk_store_flow_def(upipe, NULL);
upipe_tblk_require_ubuf_mgr(upipe, uref);
return true;
}
if (upipe_tblk->flow_def == NULL)
return false;
assert(upipe_tblk->ubuf_mgr != NULL);
switch (upipe_tblk->input_alloc) {
case UBUF_ALLOC_PICTURE:
upipe_tblk_handle_pic(upipe, uref, upump_p);
break;
case UBUF_ALLOC_SOUND:
upipe_tblk_handle_sound(upipe, uref, upump_p);
break;
default:
upipe_tblk_output(upipe, uref, upump_p);
break;
}
return true;
}
/** @internal @This provides a flow format suggestion.
*
* @param upipe description structure of the pipe
* @param request description structure of the request
* @return an error code
*/
static int upipe_filter_ebur128_provide_flow_format(struct upipe *upipe,
struct urequest *request)
{
const char *def;
UBASE_RETURN(uref_flow_get_def(request->uref, &def))
struct uref *flow = uref_dup(request->uref);
UBASE_ALLOC_RETURN(flow);
if (!ubase_ncmp(def, "sound.u8."))
UBASE_FATAL(upipe, uref_flow_set_def(flow, "sound.s16."));
return urequest_provide_flow_format(request, flow);
}
/** @internal @This provides a flow format suggestion.
*
* @param upipe description structure of the pipe
* @param request description structure of the request
* @return an error code
*/
static int upipe_nacl_audio_provide_flow_format(struct upipe *upipe,
struct urequest *request)
{
struct uref *flow_format = uref_dup(request->uref);
UBASE_ALLOC_RETURN(flow_format);
uref_sound_flow_clear_format(flow_format);
uref_flow_set_def(flow_format, EXPECTED_FLOW_DEF);
uref_sound_flow_set_channels(flow_format, 2);
uref_sound_flow_set_sample_size(flow_format, 4);
uref_sound_flow_set_planes(flow_format, 0);
uref_sound_flow_add_plane(flow_format, "lr");
uref_sound_flow_set_rate(flow_format, SAMPLE_RATE);
return urequest_provide_flow_format(request, flow_format);
}
/** @internal @This sets the input flow definition.
*
* @param upipe description structure of the pipe
* @param flow_def flow definition packet
* @return an error code
*/
static int upipe_ts_check_set_flow_def(struct upipe *upipe,
struct uref *flow_def)
{
if (flow_def == NULL)
return UBASE_ERR_INVALID;
UBASE_RETURN(uref_flow_match_def(flow_def, EXPECTED_FLOW_DEF))
struct uref *flow_def_dup;
if (unlikely((flow_def_dup = uref_dup(flow_def)) == NULL)) {
upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
return UBASE_ERR_ALLOC;
}
struct upipe_ts_check *upipe_ts_check = upipe_ts_check_from_upipe(upipe);
UBASE_RETURN(uref_block_flow_set_size(flow_def_dup,
upipe_ts_check->output_size))
UBASE_RETURN(uref_flow_set_def(flow_def_dup, OUTPUT_FLOW_DEF))
upipe_ts_check_store_flow_def(upipe, flow_def_dup);
return UBASE_ERR_NONE;
}
static int upipe_rtp_opus_set_flow_def(struct upipe *upipe,
struct uref *flow_def)
{
if (flow_def == NULL)
return UBASE_ERR_INVALID;
//UBASE_RETURN(uref_flow_match_def(flow_def, "block.opus.sound."))
struct uref *flow_def_dup = uref_dup(flow_def);
if (unlikely(flow_def_dup == NULL)) {
upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
return UBASE_ERR_ALLOC;
}
uref_flow_set_def(flow_def_dup, "block.opus.sound.");
upipe_rtp_opus_store_flow_def(upipe, flow_def_dup);
return UBASE_ERR_NONE;
}
/** @internal @This checks a "#EXTM3U" tag.
*
* @param upipe description structure of the pipe
* @param flow_def the current flow definition
* @param line the trailing characters of the line
* @return an error code
*/
static int upipe_m3u_reader_process_m3u(struct upipe *upipe,
struct uref *flow_def,
const char *line)
{
while (isspace(*line))
line++;
if (strlen(line)) {
upipe_err(upipe, "invalid EXTM3U tag");
return UBASE_ERR_INVALID;
}
upipe_verbose(upipe, "found EXTM3U tag");
const char *def;
UBASE_RETURN(uref_flow_get_def(flow_def, &def));
if (strcmp(def, EXPECTED_FLOW_DEF))
return UBASE_ERR_INVALID;
return uref_flow_set_def(flow_def, M3U_FLOW_DEF);
}
/** @internal @This checks and parses a "#EXT-X-MEDIA-SEQUENCE" tag.
*
* @param upipe description structure of the pipe
* @param flow_def the current flow definition
* @param line the trailing characters of the line
* @return an error code
*/
static int upipe_m3u_reader_ext_x_media_sequence(struct upipe *upipe,
struct uref *flow_def,
const char *line)
{
const char *def;
UBASE_RETURN(uref_flow_get_def(flow_def, &def));
if (strcmp(def, M3U_FLOW_DEF) && strcmp(def, PLAYLIST_FLOW_DEF))
return UBASE_ERR_INVALID;
UBASE_RETURN(uref_flow_set_def(flow_def, PLAYLIST_FLOW_DEF));
char *endptr;
uint64_t media_sequence = strtoull(line, &endptr, 10);
if (endptr == line || strlen(endptr)) {
upipe_warn_va(upipe, "invalid media sequence %s", line);
return UBASE_ERR_INVALID;
}
upipe_dbg_va(upipe, "media sequence %"PRIu64, media_sequence);
return uref_m3u_playlist_flow_set_media_sequence(flow_def, media_sequence);
}
/** @internal @This checks and parses a "#EXT-X-TARGETDURATION" tag.
*
* @param upipe description structure of the pipe
* @param flow_def the current flow definition
* @param line the trailing characters of the line
* @return an error code
*/
static int upipe_m3u_reader_process_target_duration(struct upipe *upipe,
struct uref *flow_def,
const char *line)
{
const char *def;
UBASE_RETURN(uref_flow_get_def(flow_def, &def));
if (strcmp(def, M3U_FLOW_DEF) && strcmp(def, PLAYLIST_FLOW_DEF))
return UBASE_ERR_INVALID;
UBASE_RETURN(uref_flow_set_def(flow_def, PLAYLIST_FLOW_DEF));
const char *endptr;
uint64_t duration;
UBASE_RETURN(duration_to_uclock(line, &endptr, &duration));
if (line == endptr || strlen(endptr)) {
upipe_warn_va(upipe, "invalid target duration %s", line);
return UBASE_ERR_INVALID;
}
upipe_dbg_va(upipe, "target duration: %"PRIu64, duration);
return uref_m3u_playlist_flow_set_target_duration(flow_def, duration);
}
/** @internal @This handles input.
*
* @param upipe description structure of the pipe
* @param uref uref structure
* @param upump pump that generated the buffer
*/
static void upipe_skip_input(struct upipe *upipe, struct uref *uref,
struct upump *upump)
{
struct upipe_skip *upipe_skip = upipe_skip_from_upipe(upipe);
const char *def;
if (unlikely(uref_flow_get_def(uref, &def))) {
if (unlikely(ubase_ncmp(def, EXPECTED_FLOW))) {
upipe_throw_flow_def_error(upipe, uref);
uref_free(uref);
return;
}
upipe_dbg_va(upipe, "flow definition %s", def);
if (unlikely(!uref_flow_set_def(uref, "block.")))
upipe_throw_aerror(upipe);
upipe_skip_store_flow_def(upipe, uref);
return;
}
if (unlikely(uref_flow_get_end(uref))) {
uref_free(uref);
upipe_throw_need_input(upipe);
return;
}
if (unlikely(upipe_skip->flow_def == NULL)) {
upipe_throw_flow_def_error(upipe, uref);
uref_free(uref);
return;
}
if (unlikely(uref->ubuf == NULL)) {
uref_free(uref);
return;
}
upipe_skip_input_block(upipe, uref, upump);
}
/** @internal @This checks and parses a "#EXTINF" tag.
*
* @param upipe description structure of the pipe
* @param flow_def the current flow definition
* @param line the trailing characters of the line
* @return an error code
*/
static int upipe_m3u_reader_process_extinf(struct upipe *upipe,
struct uref *flow_def,
const char *line)
{
const char *def;
struct uref *item;
UBASE_RETURN(uref_flow_get_def(flow_def, &def));
if (strcmp(def, M3U_FLOW_DEF) && strcmp(def, PLAYLIST_FLOW_DEF))
return UBASE_ERR_INVALID;
UBASE_RETURN(uref_flow_set_def(flow_def, PLAYLIST_FLOW_DEF));
UBASE_RETURN(upipe_m3u_reader_get_item(upipe, flow_def, &item));
const char *endptr;
uint64_t duration;
UBASE_RETURN(duration_to_uclock(line, &endptr, &duration));
if (line == endptr || *endptr != ',') {
upipe_err_va(upipe, "invalid segment duration `%s'", line);
return UBASE_ERR_INVALID;
}
upipe_verbose_va(upipe, "segment duration: %"PRIu64, duration);
return uref_m3u_playlist_set_seq_duration(item, duration);
}
/** @internal @This checks and parses a "#EXT-X-PLAYLIST-TYPE" tag.
*
* @param upipe description structure of the pipe
* @param flow_def the current flow definition
* @param line the trailing characters of the line
* @return an error code
*/
static int upipe_m3u_reader_process_playlist_type(struct upipe *upipe,
struct uref *flow_def,
const char *line)
{
const char *def;
UBASE_RETURN(uref_flow_get_def(flow_def, &def));
if (strcmp(def, M3U_FLOW_DEF) && strcmp(def, PLAYLIST_FLOW_DEF))
return UBASE_ERR_INVALID;
UBASE_RETURN(uref_flow_set_def(flow_def, PLAYLIST_FLOW_DEF));
static const char *types[] = { "VOD", "EVENT" };
const char *type = NULL;
for (unsigned i = 0; !type && i < UBASE_ARRAY_SIZE(types); i++)
if (!strcmp(line, types[i]))
type = types[i];
if (unlikely(type == NULL)) {
upipe_warn_va(upipe, "invalid playlist type `%s'", line);
return UBASE_ERR_INVALID;
}
upipe_dbg_va(upipe, "playlist type %s", type);
return uref_m3u_playlist_flow_set_type(flow_def, type);
}
/** @internal @This provides a flow format suggestion.
*
* @param upipe description structure of the pipe
* @param request description structure of the request
* @return an error code
*/
static int upipe_filter_ebur128_provide_flow_format(struct upipe *upipe,
struct urequest *request)
{
struct uref *flow = uref_dup(request->uref);
UBASE_ALLOC_RETURN(flow);
uint8_t planes;
if (ubase_check(uref_sound_flow_get_planes(request->uref, &planes))
&& planes != 1) {
/* compute sample size */
uint8_t sample_size = 0;
uref_sound_flow_get_sample_size(request->uref, &sample_size);
sample_size *= planes;
/* construct packed channel name from planar names */
char packed_channel[planes+1];
uint8_t plane;
for (plane=0; plane < planes; plane++) {
const char *planar_channel = "";
uref_sound_flow_get_channel(request->uref, &planar_channel, plane);
packed_channel[plane] = *planar_channel;
}
packed_channel[planes] = '\0';
/* set attributes */
uref_sound_flow_clear_format(flow);
UBASE_FATAL(upipe, uref_sound_flow_set_channels(flow, planes));
UBASE_FATAL(upipe, uref_sound_flow_set_sample_size(flow, sample_size));
UBASE_FATAL(upipe, uref_sound_flow_set_channel(flow,
packed_channel, 0));
UBASE_FATAL(upipe, uref_sound_flow_set_planes(flow, 1));
}
UBASE_FATAL(upipe, uref_flow_set_def(flow, "sound.s16."));
return urequest_provide_flow_format(request, flow);
}
/** @internal @This handles data.
*
* @param upipe description structure of the pipe
* @param uref uref structure
* @param upump_p reference to pump that generated the buffer
* @return false if the input must be blocked
*/
static bool upipe_speexdsp_handle(struct upipe *upipe, struct uref *uref,
struct upump **upump_p)
{
struct upipe_speexdsp *upipe_speexdsp = upipe_speexdsp_from_upipe(upipe);
struct urational drift_rate;
if (!ubase_check(uref_clock_get_rate(uref, &drift_rate)))
drift_rate = (struct urational){ 1, 1 };
/* reinitialize resampler when drift rate changes */
if (urational_cmp(&drift_rate, &upipe_speexdsp->drift_rate)) {
upipe_speexdsp->drift_rate = drift_rate;
spx_uint32_t ratio_num = drift_rate.den;
spx_uint32_t ratio_den = drift_rate.num;
spx_uint32_t in_rate = upipe_speexdsp->rate * ratio_num / ratio_den;
spx_uint32_t out_rate = upipe_speexdsp->rate;
int err = speex_resampler_set_rate_frac(upipe_speexdsp->ctx,
ratio_num, ratio_den, in_rate, out_rate);
if (err) {
upipe_err_va(upipe, "Couldn't resample from %u to %u: %s",
in_rate, out_rate, speex_resampler_strerror(err));
} else {
upipe_dbg_va(upipe, "Resampling from %u to %u",
in_rate, out_rate);
}
}
size_t size;
if (!ubase_check(uref_sound_size(uref, &size, NULL /* sample_size */))) {
uref_free(uref);
return true;
}
struct ubuf *ubuf = ubuf_sound_alloc(upipe_speexdsp->ubuf_mgr, size + 10);
if (!ubuf)
return false;
const void *in;
uref_sound_read_void(uref, 0, -1, &in, 1);
void *out;
ubuf_sound_write_void(ubuf, 0, -1, &out, 1);
spx_uint32_t in_len = size; /* input size */
spx_uint32_t out_len = size + 10; /* available output size */
int err;
if (upipe_speexdsp->f32)
err = speex_resampler_process_interleaved_float(upipe_speexdsp->ctx,
in, &in_len, out, &out_len);
else
err = speex_resampler_process_interleaved_int(upipe_speexdsp->ctx,
in, &in_len, out, &out_len);
if (err) {
upipe_err_va(upipe, "Could not resample: %s",
speex_resampler_strerror(err));
}
uref_sound_unmap(uref, 0, -1, 1);
ubuf_sound_unmap(ubuf, 0, -1, 1);
if (err) {
ubuf_free(ubuf);
} else {
ubuf_sound_resize(ubuf, 0, out_len);
uref_attach_ubuf(uref, ubuf);
}
upipe_speexdsp_output(upipe, uref, upump_p);
return true;
}
/** @internal @This receives incoming uref.
*
* @param upipe description structure of the pipe
* @param uref uref structure describing the picture
* @param upump_p reference to pump that generated the buffer
*/
static void upipe_speexdsp_input(struct upipe *upipe, struct uref *uref,
struct upump **upump_p)
{
if (!upipe_speexdsp_check_input(upipe)) {
upipe_speexdsp_hold_input(upipe, uref);
upipe_speexdsp_block_input(upipe, upump_p);
} else if (!upipe_speexdsp_handle(upipe, uref, upump_p)) {
upipe_speexdsp_hold_input(upipe, uref);
upipe_speexdsp_block_input(upipe, upump_p);
/* Increment upipe refcount to avoid disappearing before all packets
* have been sent. */
upipe_use(upipe);
}
}
/** @internal @This receives a provided ubuf manager.
*
* @param upipe description structure of the pipe
* @param flow_format amended flow format
* @return an error code
*/
static int upipe_speexdsp_check(struct upipe *upipe, struct uref *flow_format)
{
struct upipe_speexdsp *upipe_speexdsp = upipe_speexdsp_from_upipe(upipe);
if (flow_format != NULL)
upipe_speexdsp_store_flow_def(upipe, flow_format);
if (upipe_speexdsp->flow_def == NULL)
return UBASE_ERR_NONE;
bool was_buffered = !upipe_speexdsp_check_input(upipe);
upipe_speexdsp_output_input(upipe);
upipe_speexdsp_unblock_input(upipe);
if (was_buffered && upipe_speexdsp_check_input(upipe)) {
/* All packets have been output, release again the pipe that has been
* used in @ref upipe_speexdsp_input. */
upipe_release(upipe);
}
return UBASE_ERR_NONE;
}
/** @internal @This sets the input flow definition.
*
* @param upipe description structure of the pipe
* @param flow_def flow definition packet
* @return an error code
*/
static int upipe_speexdsp_set_flow_def(struct upipe *upipe, struct uref *flow_def)
{
struct upipe_speexdsp *upipe_speexdsp = upipe_speexdsp_from_upipe(upipe);
if (flow_def == NULL)
return UBASE_ERR_INVALID;
const char *def;
UBASE_RETURN(uref_flow_get_def(flow_def, &def))
if (unlikely(ubase_ncmp(def, "sound.f32.") &&
ubase_ncmp(def, "sound.s16.")))
return UBASE_ERR_INVALID;
uint8_t in_planes;
if (unlikely(!ubase_check(uref_sound_flow_get_planes(flow_def,
&in_planes))))
return UBASE_ERR_INVALID;
if (in_planes != 1) {
upipe_err(upipe, "only interleaved audio is supported");
return UBASE_ERR_INVALID;
}
if (!ubase_check(uref_sound_flow_get_rate(flow_def,
&upipe_speexdsp->rate))) {
upipe_err(upipe, "no sound rate defined");
uref_dump(flow_def, upipe->uprobe);
return UBASE_ERR_INVALID;
}
uint8_t channels;
if (unlikely(!ubase_check(uref_sound_flow_get_channels(flow_def,
&channels))))
return UBASE_ERR_INVALID;
flow_def = uref_dup(flow_def);
if (unlikely(flow_def == NULL)) {
upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
return UBASE_ERR_ALLOC;
}
upipe_speexdsp_require_ubuf_mgr(upipe, flow_def);
if (upipe_speexdsp->ctx)
speex_resampler_destroy(upipe_speexdsp->ctx);
upipe_speexdsp->f32 = !ubase_ncmp(def, "sound.f32.");
int err;
upipe_speexdsp->ctx = speex_resampler_init(channels,
upipe_speexdsp->rate, upipe_speexdsp->rate,
upipe_speexdsp->quality, &err);
if (!upipe_speexdsp->ctx) {
upipe_err_va(upipe, "Could not create resampler: %s",
speex_resampler_strerror(err));
return UBASE_ERR_INVALID;
}
return UBASE_ERR_NONE;
}
/** @internal @This provides a flow format suggestion.
*
* @param upipe description structure of the pipe
* @param request description structure of the request
* @return an error code
*/
static int upipe_speexdsp_provide_flow_format(struct upipe *upipe,
struct urequest *request)
{
const char *def;
UBASE_RETURN(uref_flow_get_def(request->uref, &def))
uint8_t channels;
UBASE_RETURN(uref_sound_flow_get_channels(request->uref, &channels))
uint8_t planes;
UBASE_RETURN(uref_sound_flow_get_planes(request->uref, &planes))
uint8_t sample_size;
UBASE_RETURN(uref_sound_flow_get_sample_size(request->uref, &sample_size))
struct uref *flow = uref_dup(request->uref);
UBASE_ALLOC_RETURN(flow);
uref_sound_flow_clear_format(flow);
uref_sound_flow_set_planes(flow, 0);
uref_sound_flow_set_channels(flow, channels);
uref_sound_flow_add_plane(flow, "all");
if (ubase_ncmp(def, "sound.s16.")) {
uref_flow_set_def(flow, "sound.f32."); /* prefer f32 over s16 */
uref_sound_flow_set_sample_size(flow, 4 * channels);
} else {
uref_flow_set_def(flow, def);
uref_sound_flow_set_sample_size(flow, (planes > 1) ? sample_size :
sample_size / channels);
}
return urequest_provide_flow_format(request, flow);
}
/** @internal @This processes control commands on a speexdsp pipe.
*
* @param upipe description structure of the pipe
* @param command type of command to process
* @param args arguments of the command
* @return an error code
*/
static int upipe_speexdsp_control(struct upipe *upipe, int command, va_list args)
{
struct upipe_speexdsp *upipe_speexdsp = upipe_speexdsp_from_upipe(upipe);
switch (command) {
/* generic commands */
case UPIPE_REGISTER_REQUEST: {
struct urequest *request = va_arg(args, struct urequest *);
if (request->type == UREQUEST_FLOW_FORMAT)
return upipe_speexdsp_provide_flow_format(upipe, request);
if (request->type == UREQUEST_UBUF_MGR)
return upipe_throw_provide_request(upipe, request);
return upipe_speexdsp_alloc_output_proxy(upipe, request);
}
case UPIPE_UNREGISTER_REQUEST: {
struct urequest *request = va_arg(args, struct urequest *);
if (request->type == UREQUEST_FLOW_FORMAT ||
request->type == UREQUEST_UBUF_MGR)
return UBASE_ERR_NONE;
return upipe_speexdsp_free_output_proxy(upipe, request);
}
case UPIPE_GET_OUTPUT: {
struct upipe **p = va_arg(args, struct upipe **);
return upipe_speexdsp_get_output(upipe, p);
}
case UPIPE_SET_OUTPUT: {
struct upipe *output = va_arg(args, struct upipe *);
return upipe_speexdsp_set_output(upipe, output);
}
case UPIPE_GET_FLOW_DEF: {
struct uref **p = va_arg(args, struct uref **);
return upipe_speexdsp_get_flow_def(upipe, p);
}
case UPIPE_SET_FLOW_DEF: {
struct uref *flow = va_arg(args, struct uref *);
return upipe_speexdsp_set_flow_def(upipe, flow);
}
case UPIPE_SET_OPTION: {
const char *option = va_arg(args, const char *);
const char *value = va_arg(args, const char *);
if (strcmp(option, "quality"))
return UBASE_ERR_INVALID;
if (upipe_speexdsp->ctx)
return UBASE_ERR_BUSY;
int quality = atoi(value);
if (quality > SPEEX_RESAMPLER_QUALITY_MAX) {
quality = SPEEX_RESAMPLER_QUALITY_MAX;
upipe_err_va(upipe, "Clamping quality to %d",
SPEEX_RESAMPLER_QUALITY_MAX);
} else if (quality < SPEEX_RESAMPLER_QUALITY_MIN) {
quality = SPEEX_RESAMPLER_QUALITY_MIN;
upipe_err_va(upipe, "Clamping quality to %d",
SPEEX_RESAMPLER_QUALITY_MIN);
}
upipe_speexdsp->quality = quality;
return UBASE_ERR_NONE;
}
default:
return UBASE_ERR_UNHANDLED;
}
}
/** @internal @This allocates a speexdsp pipe.
*
* @param mgr common management structure
* @param uprobe structure used to raise events
* @param signature signature of the pipe allocator
* @param args optional arguments
* @return pointer to upipe or NULL in case of allocation error
*/
static struct upipe *upipe_speexdsp_alloc(struct upipe_mgr *mgr,
struct uprobe *uprobe,
uint32_t signature, va_list args)
{
struct upipe *upipe = upipe_speexdsp_alloc_void(mgr, uprobe, signature,
args);
if (unlikely(upipe == NULL))
return NULL;
struct upipe_speexdsp *upipe_speexdsp = upipe_speexdsp_from_upipe(upipe);
upipe_speexdsp->ctx = NULL;
upipe_speexdsp->drift_rate = (struct urational){ 0, 0 };
upipe_speexdsp->quality = SPEEX_RESAMPLER_QUALITY_MAX;
upipe_speexdsp_init_urefcount(upipe);
upipe_speexdsp_init_ubuf_mgr(upipe);
upipe_speexdsp_init_output(upipe);
upipe_speexdsp_init_flow_def(upipe);
upipe_speexdsp_init_input(upipe);
upipe_throw_ready(upipe);
return upipe;
}
/** @This frees a upipe.
*
* @param upipe description structure of the pipe
*/
static void upipe_speexdsp_free(struct upipe *upipe)
{
struct upipe_speexdsp *upipe_speexdsp = upipe_speexdsp_from_upipe(upipe);
if (likely(upipe_speexdsp->ctx))
speex_resampler_destroy(upipe_speexdsp->ctx);
upipe_throw_dead(upipe);
upipe_speexdsp_clean_input(upipe);
upipe_speexdsp_clean_output(upipe);
upipe_speexdsp_clean_flow_def(upipe);
upipe_speexdsp_clean_ubuf_mgr(upipe);
upipe_speexdsp_clean_urefcount(upipe);
upipe_speexdsp_free_void(upipe);
}
/** module manager static descriptor */
static struct upipe_mgr upipe_speexdsp_mgr = {
.refcount = NULL,
.signature = UPIPE_SPEEXDSP_SIGNATURE,
.upipe_alloc = upipe_speexdsp_alloc,
.upipe_input = upipe_speexdsp_input,
.upipe_control = upipe_speexdsp_control,
.upipe_mgr_control = NULL
};
/** @This returns the management structure for speexdsp pipes
*
* @return pointer to manager
*/
struct upipe_mgr *upipe_speexdsp_mgr_alloc(void)
{
return &upipe_speexdsp_mgr;
}
/** avcdec callback */
static int avcdec_catch(struct uprobe *uprobe, struct upipe *upipe,
int event, va_list args)
{
if (event != UPROBE_NEED_OUTPUT)
return uprobe_throw_next(uprobe, upipe, event, args);
struct uref *flow_def = va_arg(args, struct uref *);
uint64_t hsize, vsize, wanted_hsize;
struct urational sar;
bool progressive;
if (unlikely(!ubase_check(uref_pic_flow_get_hsize(flow_def, &hsize)) ||
!ubase_check(uref_pic_flow_get_vsize(flow_def, &vsize)) ||
!ubase_check(uref_pic_flow_get_sar(flow_def, &sar)))) {
upipe_err_va(upipe, "incompatible flow def");
upipe_release(upipe_source);
return UBASE_ERR_UNHANDLED;
}
wanted_hsize = (hsize * sar.num / sar.den / 2) * 2;
progressive = ubase_check(uref_pic_get_progressive(flow_def));
struct uref *flow_def2 = uref_dup(flow_def);
upipe_use(upipe);
if (!progressive) {
uref_pic_set_progressive(flow_def2);
struct upipe *deint = upipe_void_alloc_output(upipe,
upipe_filter_blend_mgr,
uprobe_pfx_alloc(uprobe_use(logger),
loglevel, "deint"));
assert(deint != NULL);
upipe_release(upipe);
upipe = deint;
}
if (wanted_hsize != hsize) {
uref_pic_flow_set_hsize(flow_def2, wanted_hsize);
struct upipe *sws = upipe_flow_alloc_output(upipe, upipe_sws_mgr,
uprobe_pfx_alloc_va(uprobe_use(logger),
loglevel, "sws"), flow_def2);
assert(sws != NULL);
upipe_release(upipe);
upipe = sws;
}
uref_pic_flow_clear_format(flow_def2);
uref_flow_set_def(flow_def2, "block.mjpeg.pic.");
struct upipe *jpegenc = upipe_flow_alloc_output(upipe, upipe_avcenc_mgr,
uprobe_pfx_alloc_va(uprobe_use(logger),
loglevel, "jpeg"), flow_def2);
assert(jpegenc != NULL);
upipe_release(upipe);
upipe_set_option(jpegenc, "qmax", "2");
upipe = jpegenc;
struct upipe *urefprobe = upipe_void_alloc_output(upipe,
upipe_probe_uref_mgr,
uprobe_pfx_alloc_va(uprobe_use(&uprobe_uref),
loglevel, "urefprobe"));
assert(urefprobe != NULL);
upipe_release(upipe);
upipe = urefprobe;
struct upipe *fsink = upipe_void_alloc_output(upipe, upipe_fsink_mgr,
uprobe_pfx_alloc_va(uprobe_use(logger),
((loglevel > UPROBE_LOG_DEBUG) ? UPROBE_LOG_WARNING : loglevel),
"jpegsink"));
assert(fsink != NULL);
upipe_release(upipe);
upipe_fsink_set_path(fsink, dstpath, UPIPE_FSINK_OVERWRITE);
upipe = fsink;
uref_free(flow_def2);
upipe_release(upipe);
return UBASE_ERR_NONE;
}
/** @internal @This handles data.
*
* @param upipe description structure of the pipe
* @param uref uref structure
* @param upump_p reference to pump that generated the buffer
*/
static inline void upipe_rtpd_input(struct upipe *upipe, struct uref *uref,
struct upump **upump_p)
{
struct upipe_rtpd *upipe_rtpd = upipe_rtpd_from_upipe(upipe);
uint8_t rtp_buffer[RTP_HEADER_SIZE];
const uint8_t *rtp_header = uref_block_peek(uref, 0, RTP_HEADER_SIZE,
rtp_buffer);
if (unlikely(rtp_header == NULL)) {
upipe_warn(upipe, "invalid buffer received");
uref_free(uref);
return;
}
bool valid = rtp_check_hdr(rtp_header);
bool extension = rtp_check_extension(rtp_header);
uint8_t cc = rtp_get_cc(rtp_header);
uint8_t type = rtp_get_type(rtp_header);
uint16_t seqnum = rtp_get_seqnum(rtp_header);
ptrdiff_t extension_offset = rtp_extension((uint8_t *)rtp_header) -
rtp_header;
uref_block_peek_unmap(uref, 0, rtp_buffer, rtp_header);
if (unlikely(!valid)) {
upipe_warn(upipe, "invalid RTP header");
uref_free(uref);
return;
}
size_t offset = RTP_HEADER_SIZE + 4 * cc;
if (extension) {
rtp_header = uref_block_peek(uref, extension_offset,
RTP_EXTENSION_SIZE, rtp_buffer);
if (unlikely(rtp_header == NULL)) {
upipe_warn(upipe, "invalid buffer received");
uref_free(uref);
return;
}
offset += 4 * (1 + rtpx_get_length(rtp_header));
uref_block_peek_unmap(uref, extension_offset, rtp_buffer, rtp_header);
}
if (unlikely(upipe_rtpd->expected_seqnum != -1 &&
seqnum != upipe_rtpd->expected_seqnum)) {
upipe_warn_va(upipe, "potentially lost %d RTP packets",
(seqnum + UINT16_MAX + 1 - upipe_rtpd->expected_seqnum) &
UINT16_MAX);
uref_flow_set_discontinuity(uref);
}
upipe_rtpd->expected_seqnum = seqnum + 1;
upipe_rtpd->expected_seqnum &= UINT16_MAX;
if (unlikely(type != upipe_rtpd->type)) {
assert(upipe_rtpd->flow_def_input != NULL);
struct uref *flow_def = uref_dup(upipe_rtpd->flow_def_input);
if (unlikely(flow_def == NULL)) {
uref_free(uref);
upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
return;
}
switch (type) {
case RTP_TYPE_TS:
uref_flow_set_def(flow_def, "block.mpegtsaligned.");
break;
default:
break;
}
upipe_rtpd->type = type;
upipe_rtpd_store_flow_def(upipe, flow_def);
}
uref_block_resize(uref, offset, -1);
upipe_rtpd_output(upipe, uref, upump_p);
}
/** @internal @This parses a new s337 header.
*
* @param upipe description structure of the pipe
*/
static void upipe_s337d_parse_preamble(struct upipe *upipe)
{
struct upipe_s337d *upipe_s337d = upipe_s337d_from_upipe(upipe);
uint8_t preamble[S337_PREAMBLE_SIZE];
if (!ubase_check(uref_block_extract(upipe_s337d->next_uref, 0,
S337_PREAMBLE_SIZE, preamble)))
return; /* not enough data */
uint8_t data_type = s337_get_data_type(preamble);
uint8_t data_mode = s337_get_data_mode(preamble);
bool error = s337_get_error(preamble);
uint8_t data_stream = s337_get_data_stream(preamble);
uint8_t data_type_dep = s337_get_data_type_dep(preamble);
upipe_s337d->next_frame_size = s337_get_length(preamble) + 7;
upipe_s337d->next_frame_size /= 8;
if (data_type != S337_TYPE_A52 && data_type != S337_TYPE_A52E) {
upipe_s337d->next_frame_discard = true;
return;
}
if (data_mode != S337_MODE_16) {
upipe_err_va(upipe, "unsupported data mode (%"PRIu8")", data_mode);
upipe_s337d->next_frame_discard = true;
return;
}
upipe_s337d->next_frame_discard = false;
if (error)
upipe_warn(upipe, "error flag set");
if (upipe_s337d->data_stream != data_stream) {
upipe_dbg_va(upipe, "now following stream %"PRIu8, data_stream);
upipe_s337d->data_stream = data_stream;
}
if (upipe_s337d->data_type == data_type)
return;
upipe_s337d->data_type = data_type;
if (data_type_dep & S337_TYPE_A52_REP_RATE_FLAG)
upipe_warn(upipe, "repetition rate flag set");
if (data_type_dep & S337_TYPE_A52_NOT_FULL_SVC)
upipe_warn(upipe, "not full service flag set");
struct uref *flow_def = upipe_s337d_alloc_flow_def_attr(upipe);
if (unlikely(flow_def == NULL)) {
upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
return;
}
if (data_type == S337_TYPE_A52)
UBASE_FATAL(upipe, uref_flow_set_def(flow_def, "block.ac3.sound."))
else
UBASE_FATAL(upipe, uref_flow_set_def(flow_def, "block.eac3.sound."))
flow_def = upipe_s337d_store_flow_def_attr(upipe, flow_def);
if (unlikely(!flow_def)) {
upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
return;
}
upipe_s337d_store_flow_def(upipe, flow_def);
}
static int upipe_m3u_reader_key(struct upipe *upipe,
struct uref *flow_def,
const char *line)
{
struct upipe_m3u_reader *upipe_m3u_reader =
upipe_m3u_reader_from_upipe(upipe);
if (unlikely(!ubase_check(uref_flow_match_def(flow_def,
M3U_FLOW_DEF))) &&
unlikely(!ubase_check(uref_flow_match_def(flow_def,
PLAYLIST_FLOW_DEF))))
return UBASE_ERR_INVALID;
UBASE_RETURN(uref_flow_set_def(flow_def, PLAYLIST_FLOW_DEF));
struct uref *key = uref_sibling_alloc_control(flow_def);
if (unlikely(key == NULL)) {
upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
return UBASE_ERR_ALLOC;
}
if (upipe_m3u_reader->key)
uref_free(upipe_m3u_reader->key);
upipe_m3u_reader->key = key;
const char *iterator = line;
struct ustring name, value;
while (ubase_check(attribute_iterate(&iterator, &name, &value)) &&
iterator != NULL) {
char value_str[value.len + 1];
int err = ustring_cpy(value, value_str, sizeof (value_str));
if (unlikely(!ubase_check(err))) {
upipe_err_va(upipe, "fail to copy ustring %.*s",
(int)value.len, value.at);
continue;
}
if (!ustring_cmp_str(name, "METHOD")) {
err = uref_m3u_playlist_key_set_method(key, value_str);
if (unlikely(!ubase_check(err)))
upipe_err_va(upipe, "fail to set key method to %s", value_str);
}
else if (!ustring_cmp_str(name, "URI")) {
err = uref_m3u_playlist_key_set_uri(key, value_str);
if (unlikely(!ubase_check(err)))
upipe_err_va(upipe, "fail to set uri to %s", value_str);
}
else if (!ustring_cmp_str(name, "IV")) {
size_t len = strlen(value_str);
if (unlikely(len > 32)) {
upipe_warn_va(upipe, "invalid initialization vector %s",
value_str);
continue;
}
for (unsigned i = 0; i < len; i += 2) {
if (unlikely(!isxdigit(value_str[i])) ||
unlikely(!isxdigit(value_str[i + 1]))) {
upipe_warn_va(upipe, "invalid initialization vector %s",
value_str);
continue;
}
//FIXME
//iv[] = value_str[i]
}
}
else {
upipe_warn_va(upipe, "ignoring attribute %.*s (%.*s)",
(int)name.len, name.at, (int)value.len, value.at);
}
}
return UBASE_ERR_NONE;
}
/** @internal @This parses A/52 Annex E header.
*
* @param upipe description structure of the pipe
* @return false in case the header is inconsistent
*/
static bool upipe_a52f_parse_a52e(struct upipe *upipe)
{
struct upipe_a52f *upipe_a52f = upipe_a52f_from_upipe(upipe);
uint8_t header[A52_SYNCINFO_SIZE];
if (unlikely(!ubase_check(uref_block_extract(upipe_a52f->next_uref, 0,
sizeof(header), header))))
return true; /* not enough data */
if (likely(a52e_sync_compare_formats(header, upipe_a52f->sync_header))) {
/* identical sync */
upipe_a52f->next_frame_size =
a52e_get_frame_size(a52e_get_frmsiz(header));
return true;
}
/* sample rate */
uint64_t samplerate;
switch (a52e_get_fscod(header)) {
case A52_FSCOD_48KHZ:
samplerate = 48000;
break;
case A52_FSCOD_441KHZ:
samplerate = 44100;
break;
case A52_FSCOD_32KHZ:
samplerate = 32000;
break;
case A52_FSCOD_RESERVED:
switch (a52e_get_fscod2(header)) {
case A52E_FSCOD2_24KHZ:
samplerate = 24000;
break;
case A52E_FSCOD2_2205KHZ:
samplerate = 22050;
break;
case A52E_FSCOD2_16KHZ:
samplerate = 16000;
break;
default:
upipe_warn(upipe, "reserved fscod2");
return false;
}
break;
default: /* never reached */
return false;
}
/* frame size */
upipe_a52f->next_frame_size = a52e_get_frame_size(a52e_get_frmsiz(header));
/* channels */
int acmod = a52e_get_acmod(header);
int channels = acmod_chans[acmod].nfchans + a52e_get_lfeon(header);
uint64_t octetrate =
(upipe_a52f->next_frame_size * samplerate + A52_FRAME_SAMPLES - 1) /
A52_FRAME_SAMPLES;
memcpy(upipe_a52f->sync_header, header, A52_SYNCINFO_SIZE);
upipe_a52f->samplerate = samplerate;
struct uref *flow_def = upipe_a52f_alloc_flow_def_attr(upipe);
if (unlikely(!flow_def)) {
upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
return false;
}
UBASE_FATAL(upipe, uref_flow_set_complete(flow_def))
UBASE_FATAL(upipe, uref_flow_set_def(flow_def, "block.eac3.sound."))
UBASE_FATAL(upipe, uref_sound_flow_set_samples(flow_def, A52_FRAME_SAMPLES))
UBASE_FATAL(upipe, uref_sound_flow_set_rate(flow_def, samplerate))
UBASE_FATAL(upipe, uref_sound_flow_set_channels(flow_def, channels))
UBASE_FATAL(upipe, uref_clock_set_latency(flow_def,
upipe_a52f->input_latency +
UCLOCK_FREQ * A52_FRAME_SAMPLES / samplerate))
UBASE_FATAL(upipe, uref_block_flow_set_octetrate(flow_def, octetrate))
flow_def = upipe_a52f_store_flow_def_attr(upipe, flow_def);
if (unlikely(!flow_def)) {
upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
return false;
}
upipe_a52f_store_flow_def(upipe, flow_def);
return true;
}
/** @internal @This parses A/52 header.
*
* @param upipe description structure of the pipe
* @return false in case the header is inconsistent
*/
static bool upipe_a52f_parse_a52(struct upipe *upipe)
{
struct upipe_a52f *upipe_a52f = upipe_a52f_from_upipe(upipe);
uint8_t header[A52_SYNCINFO_SIZE + 2];
if (unlikely(!ubase_check(uref_block_extract(upipe_a52f->next_uref, 0,
sizeof(header), header))))
return true; /* not enough data */
ssize_t next_frame_size = a52_get_frame_size(a52_get_fscod(header),
a52_get_frmsizecod(header));
if (!next_frame_size)
return false;
if (likely(a52_sync_compare_formats(header, upipe_a52f->sync_header) &&
header[5] == upipe_a52f->sync_header[5] &&
header[6] == upipe_a52f->sync_header[6])) {
/* identical sync */
upipe_a52f->next_frame_size = next_frame_size;
return true;
}
/* sample rate */
uint64_t samplerate;
switch (a52_get_fscod(header)) {
case A52_FSCOD_48KHZ:
samplerate = 48000;
break;
case A52_FSCOD_441KHZ:
samplerate = 44100;
break;
case A52_FSCOD_32KHZ:
samplerate = 32000;
break;
default:
upipe_warn(upipe, "reserved fscod");
return false;
}
/* frame size */
upipe_a52f->next_frame_size = next_frame_size;
/* channels */
int acmod = a52_get_acmod(header);
int channels = acmod_chans[acmod].nfchans +
((header[6] >> (4 - acmod_chans[acmod].lfe_offset)) & 1);
uint64_t octetrate = a52_bitrate_tab[a52_get_frmsizecod(header)] * 1000 / 8;
memcpy(upipe_a52f->sync_header, header, A52_SYNCINFO_SIZE + 2);
upipe_a52f->samplerate = samplerate;
struct uref *flow_def = upipe_a52f_alloc_flow_def_attr(upipe);
if (unlikely(!flow_def)) {
upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
return false;
}
UBASE_FATAL(upipe, uref_flow_set_complete(flow_def))
UBASE_FATAL(upipe, uref_flow_set_def(flow_def, "block.ac3.sound."))
UBASE_FATAL(upipe, uref_sound_flow_set_samples(flow_def, A52_FRAME_SAMPLES))
UBASE_FATAL(upipe, uref_sound_flow_set_rate(flow_def, samplerate))
UBASE_FATAL(upipe, uref_sound_flow_set_channels(flow_def, channels))
UBASE_FATAL(upipe, uref_clock_set_latency(flow_def,
upipe_a52f->input_latency +
UCLOCK_FREQ * A52_FRAME_SAMPLES / samplerate))
UBASE_FATAL(upipe, uref_block_flow_set_octetrate(flow_def, octetrate))
flow_def = upipe_a52f_store_flow_def_attr(upipe, flow_def);
if (unlikely(!flow_def)) {
upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
return false;
}
upipe_a52f_store_flow_def(upipe, flow_def);
return true;
}
static int upipe_m3u_reader_process_media(struct upipe *upipe,
struct uref *flow_def,
const char *line)
{
struct upipe_m3u_reader *upipe_m3u_reader =
upipe_m3u_reader_from_upipe(upipe);
if (!ubase_check(uref_flow_match_def(flow_def, M3U_FLOW_DEF)) &&
!ubase_check(uref_flow_match_def(flow_def, MASTER_FLOW_DEF)))
return UBASE_ERR_INVALID;
UBASE_RETURN(uref_flow_set_def(flow_def, MASTER_FLOW_DEF));
struct uref *item = uref_sibling_alloc_control(flow_def);
if (unlikely(item == NULL)) {
upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
return UBASE_ERR_ALLOC;
}
struct ustring name, value;
while (ubase_check(attribute_iterate(&line, &name, &value)) && line) {
if (!ustring_cmp_str(name, "URI")) {
value = ustring_unframe(value, '"');
char val[value.len + 1];
int err = ustring_cpy(value, val, sizeof (val));
if (unlikely(!ubase_check(err))) {
upipe_warn_va(upipe, "fail to copy %.*s",
(int)value.len, value.at);
continue;
}
err = uref_m3u_set_uri(item, val);
if (unlikely(!ubase_check(err))) {
upipe_warn_va(upipe, "fail to set uri %s", val);
continue;
}
}
else if (!ustring_cmp_str(name, "TYPE")) {
char val[value.len + 1];
int err = ustring_cpy(value, val, sizeof (val));
if (unlikely(!ubase_check(err))) {
upipe_warn_va(upipe, "fail to copy %.*s",
(int)value.len, value.at);
continue;
}
err = uref_m3u_master_set_media_type(item, val);
if (unlikely(!ubase_check(err))) {
upipe_warn_va(upipe, "fail to set media type %s", val);
continue;
}
}
else if (!ustring_cmp_str(name, "DEFAULT")) {
if (!ustring_cmp_str(value, "YES")) {
int err = uref_m3u_master_set_media_default(item);
if (unlikely(!ubase_check(err)))
continue;
}
else if (ustring_cmp_str(value, "NO")) {
upipe_warn_va(upipe, "invalid DEFAULT value %.*s",
(int)value.len, value.at);
continue;
}
}
else if (!ustring_cmp_str(name, "AUTOSELECT")) {
if (!ustring_cmp_str(value, "YES")) {
int err = uref_m3u_master_set_media_autoselect(item);
if (unlikely(!ubase_check(err)))
continue;
}
else if (ustring_cmp_str(value, "NO")) {
upipe_warn_va(upipe, "invalid AUTOSELECT value %.*s",
(int)value.len, value.at);
continue;
}
}
else if (!ustring_cmp_str(name, "NAME")) {
value = ustring_unframe(value, '"');
char val[value.len + 1];
int err = ustring_cpy(value, val, sizeof (val));
if (unlikely(!ubase_check(err))) {
upipe_warn_va(upipe, "fail to copy %.*s",
(int)value.len, value.at);
continue;
}
err = uref_m3u_master_set_media_name(item, val);
if (unlikely(!ubase_check(err))) {
upipe_warn_va(upipe, "fail to set media name %s", val);
continue;
}
}
else if (!ustring_cmp_str(name, "GROUP-ID")) {
value = ustring_unframe(value, '"');
char val[value.len + 1];
int err = ustring_cpy(value, val, sizeof (val));
if (unlikely(!ubase_check(err))) {
upipe_warn_va(upipe, "fail to copy %.*s",
(int)value.len, value.at);
continue;
}
err = uref_m3u_master_set_media_group(item, val);
if (unlikely(!ubase_check(err))) {
upipe_warn_va(upipe, "fail to set group id %s", val);
continue;
}
}
else {
upipe_warn_va(upipe, "ignoring attribute %.*s (%.*s)",
(int)name.len, name.at,
(int)value.len, value.at);
}
}
ulist_add(&upipe_m3u_reader->items, uref_to_uchain(item));
return UBASE_ERR_NONE;
}