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296 lines
12 KiB
296 lines
12 KiB
/*****************************************************************************
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* 35_print.h: SCTE 35 Digital Program Insertion Cueing Message for Cable
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* (printing)
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*****************************************************************************
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* Copyright (C) 2015 VideoLAN
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*
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* Authors: Christophe Massiot <massiot@via.ecp.fr>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject
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* to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*****************************************************************************/
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#ifndef __BITSTREAM_SCTE_35_PRINT_H__
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#define __BITSTREAM_SCTE_35_PRINT_H__
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#include <bitstream/common.h>
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#include <bitstream/mpeg/psi/psi.h>
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#include <bitstream/mpeg/psi/descs_print.h>
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#include <bitstream/scte/35.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/*****************************************************************************
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* Splice Information Table
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*****************************************************************************/
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static inline const char *scte35_get_command_type_txt(uint8_t i_type) {
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switch (i_type) {
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case SCTE35_NULL_COMMAND: return "null";
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case SCTE35_SCHEDULE_COMMAND: return "schedule";
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case SCTE35_INSERT_COMMAND: return "insert";
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case SCTE35_TIME_SIGNAL_COMMAND: return "time_signal";
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case SCTE35_BANDWIDTH_RESERVATION_COMMAND: return "bandwidth_reservation";
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case SCTE35_PRIVATE_COMMAND: return "private";
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default: return "reserved";
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}
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}
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static inline void scte35_null_print(const uint8_t *p_scte35,
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f_print pf_print, void *print_opaque, print_type_t i_print_type)
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{
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uint64_t i_pts_adjustment = scte35_get_pts_adjustment(p_scte35);
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switch (i_print_type) {
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case PRINT_XML:
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pf_print(print_opaque,
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"<SCTE35 command=\"%" PRIu8 "\" command_str=\"null\" pts_adjustment=\"%" PRIu64 "\">",
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SCTE35_NULL_COMMAND, i_pts_adjustment);
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break;
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default:
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pf_print(print_opaque,
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"new SCTE35 command=%" PRIu8 " command_str=null pts_adjustment=%" PRIu64,
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SCTE35_NULL_COMMAND, i_pts_adjustment);
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}
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}
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static inline void scte35_insert_print(const uint8_t *p_scte35,
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f_print pf_print, void *print_opaque, print_type_t i_print_type)
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{
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uint64_t i_pts_adjustment = scte35_get_pts_adjustment(p_scte35);
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uint32_t i_event_id = scte35_insert_get_event_id(p_scte35);
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if (scte35_insert_has_cancel(p_scte35)) {
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switch (i_print_type) {
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case PRINT_XML:
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pf_print(print_opaque,
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"<SCTE35 command=\"%" PRIu8 "\" command_str=\"insert\" pts_adjustment=\"%" PRIu64 "\" event_id=\"%" PRIu32 "\" cancel=\"1\">",
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SCTE35_INSERT_COMMAND, i_pts_adjustment, i_event_id);
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break;
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default:
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pf_print(print_opaque,
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"new SCTE35 command=%" PRIu8 " command_str=insert pts_adjustment=%" PRIu64 " event_id=%" PRIu32 " cancel=true",
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SCTE35_INSERT_COMMAND, i_pts_adjustment, i_event_id);
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}
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return;
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}
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bool b_out_of_network = scte35_insert_has_out_of_network(p_scte35);
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bool b_program_splice = scte35_insert_has_program_splice(p_scte35);
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bool b_duration = scte35_insert_has_duration(p_scte35);
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bool b_splice_immediate = scte35_insert_has_splice_immediate(p_scte35);
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uint16_t i_unique_program_id = scte35_insert_get_unique_program_id(p_scte35);
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char psz_duration[256];
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psz_duration[0] = '\0';
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psz_duration[255] = '\0';
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if (b_duration) {
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const uint8_t *p_break_duration =
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scte35_insert_get_break_duration(p_scte35);
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bool b_auto_return =
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scte35_break_duration_has_auto_return(p_break_duration);
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uint64_t i_duration =
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scte35_break_duration_get_duration(p_break_duration);
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switch (i_print_type) {
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case PRINT_XML:
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snprintf(psz_duration, 255,
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" auto_return=\"%d\" duration=\"%" PRIu64 "\"",
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b_auto_return ? 1 : 0, i_duration);
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break;
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default:
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snprintf(psz_duration, 255,
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" auto_return=%s duration=%" PRIu64 "",
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b_auto_return ? "true" : "false", i_duration);
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}
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}
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char psz_splice_time[256];
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psz_splice_time[0] = '\0';
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psz_splice_time[255] = '\0';
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if (b_splice_immediate) {
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switch (i_print_type) {
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case PRINT_XML:
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snprintf(psz_splice_time, 255, " splice_time=\"immediate\"");
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break;
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default:
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snprintf(psz_splice_time, 255, " splice_time=immediate");
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}
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} else {
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const uint8_t *p_splice_time = NULL;
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if (b_program_splice)
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p_splice_time = scte35_insert_get_splice_time(p_scte35);
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else if (scte35_insert_get_component_count(p_scte35))
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p_splice_time = scte35_insert_component_get_splice_time(
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scte35_insert_get_component(p_scte35, 0));
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if (p_splice_time == NULL ||
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!scte35_splice_time_has_time_specified(p_splice_time)) {
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switch (i_print_type) {
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case PRINT_XML:
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snprintf(psz_splice_time, 255, " splice_time=\"undefined\"");
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break;
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default:
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snprintf(psz_splice_time, 255, " splice_time=undefined");
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}
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} else {
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uint64_t i_pts_time =
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scte35_splice_time_get_pts_time(p_splice_time);
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switch (i_print_type) {
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case PRINT_XML:
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snprintf(psz_splice_time, 255, " splice_time=\"%" PRIu64 "\"",
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i_pts_time);
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break;
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default:
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snprintf(psz_splice_time, 255, " splice_time=%" PRIu64 "",
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i_pts_time);
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}
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}
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}
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switch (i_print_type) {
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case PRINT_XML:
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pf_print(print_opaque,
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"<SCTE35 command=\"%" PRIu8 "\" command_str=\"insert\" pts_adjustment=\"%" PRIu64 "\" event_id=\"%" PRIu32 "\" cancel=\"0\" out_of_network=\"%d\" program_splice=\"%d\"%s%s unique_program_id=\"%" PRIu16 "\">",
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SCTE35_INSERT_COMMAND, i_pts_adjustment, i_event_id,
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b_out_of_network ? 1 : 0, b_program_splice ? 1 : 0,
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psz_splice_time, psz_duration, i_unique_program_id);
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break;
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default:
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pf_print(print_opaque,
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"new SCTE35 command=%" PRIu8 " command_str=insert pts_adjustment=%" PRIu64 " event_id=%" PRIu32 " cancel=false out_of_network=%s program_splice=%s%s%s unique_program_id=%" PRIu16,
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SCTE35_INSERT_COMMAND, i_pts_adjustment, i_event_id,
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b_out_of_network ? "true" : "false",
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b_program_splice ? "true" : "false",
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psz_splice_time, psz_duration, i_unique_program_id);
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}
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}
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static inline void scte35_time_signal_print(const uint8_t *p_scte35,
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f_print pf_print, void *print_opaque, print_type_t i_print_type)
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{
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uint64_t i_pts_adjustment = scte35_get_pts_adjustment(p_scte35);
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const uint8_t *p_splice_time = scte35_time_signal_get_splice_time(p_scte35);
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switch (i_print_type) {
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case PRINT_XML:
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if (scte35_splice_time_has_time_specified(p_splice_time))
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pf_print(print_opaque,
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"<SCTE35 command=\"%" PRIu8 "\" command_str=\"time_signal\" pts_adjustment=\"%" PRIu64 "\" splice_time=\"%" PRIu64 "\">",
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SCTE35_TIME_SIGNAL_COMMAND, i_pts_adjustment,
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scte35_splice_time_get_pts_time(p_splice_time));
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else
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pf_print(print_opaque,
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"<SCTE35 command=\"%" PRIu8 "\" command_str=\"time_signal\" pts_adjustment=\"%" PRIu64 "\" splice_time=\"undefined\">",
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SCTE35_TIME_SIGNAL_COMMAND, i_pts_adjustment);
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break;
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default:
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if (scte35_splice_time_has_time_specified(p_splice_time))
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pf_print(print_opaque,
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"new SCTE35 command=%" PRIu8 " command_str=time_signal pts_adjustment=%" PRIu64 " splice_time=%" PRIu64,
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SCTE35_TIME_SIGNAL_COMMAND, i_pts_adjustment,
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scte35_splice_time_get_pts_time(p_splice_time));
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else
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pf_print(print_opaque,
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"new SCTE35 command=%" PRIu8 " command_str=time_signal pts_adjustment=%" PRIu64 " splice_time=undefined",
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SCTE35_TIME_SIGNAL_COMMAND, i_pts_adjustment);
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}
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}
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static inline void scte35_private_print(const uint8_t *p_scte35,
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f_print pf_print, void *print_opaque, print_type_t i_print_type)
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{
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uint64_t i_pts_adjustment = scte35_get_pts_adjustment(p_scte35);
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uint32_t i_identifier = scte35_private_get_identifier(p_scte35);
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switch (i_print_type) {
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case PRINT_XML:
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pf_print(print_opaque,
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"<SCTE35 command=\"%" PRIu8 "\" command_str=\"private\" pts_adjustment=\"%" PRIu64 "\" identifier=\"%" PRIu32 "\" />",
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SCTE35_PRIVATE_COMMAND, i_pts_adjustment, i_identifier);
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break;
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default:
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pf_print(print_opaque,
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"new SCTE35 command=%" PRIu8 " command_str=private pts_adjustment=%" PRIu64 " identifier=%" PRIu32,
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SCTE35_PRIVATE_COMMAND, i_pts_adjustment, i_identifier);
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}
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}
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static inline void scte35_print(const uint8_t *p_scte35,
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f_print pf_print, void *print_opaque, print_type_t i_print_type)
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{
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uint8_t i_type = scte35_get_command_type(p_scte35);
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bool done = false;
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switch (i_type) {
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case SCTE35_NULL_COMMAND:
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scte35_null_print(p_scte35, pf_print, print_opaque, i_print_type);
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done = true;
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break;
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case SCTE35_INSERT_COMMAND:
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scte35_insert_print(p_scte35, pf_print, print_opaque, i_print_type);
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done = true;
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break;
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case SCTE35_TIME_SIGNAL_COMMAND:
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scte35_time_signal_print(p_scte35, pf_print, print_opaque, i_print_type);
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done = true;
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break;
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case SCTE35_PRIVATE_COMMAND:
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scte35_private_print(p_scte35, pf_print, print_opaque, i_print_type);
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done = true;
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break;
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default:
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break;
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}
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if (!done) {
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uint64_t i_pts_adjustment = scte35_get_pts_adjustment(p_scte35);
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switch (i_print_type) {
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case PRINT_XML:
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pf_print(print_opaque,
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"<SCTE35 command=\"%" PRIu8 "\" command_str=\"%s\" pts_adjustment=\"%" PRIu64 "\">",
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i_type, scte35_get_command_type_txt(i_type), i_pts_adjustment);
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break;
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default:
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pf_print(print_opaque,
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"new SCTE35 command=%" PRIu8 " command_str=%s pts_adjustment=%" PRIu64,
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i_type, scte35_get_command_type_txt(i_type), i_pts_adjustment);
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}
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}
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/* TODO: print descriptors */
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switch (i_print_type) {
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case PRINT_XML:
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pf_print(print_opaque, "</SCTE35>");
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break;
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default:
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pf_print(print_opaque, "end SCTE35");
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}
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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