Add --channel option to dcpomatic_create.
[dcpomatic.git] / src / lib / create_cli.cc
index b670282b4717a0bfcbc3988b391a55cd1f5d1bcb..8d7c5928758720e50e2ce491aa4638617e08c860 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2019 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2019-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
 
 */
 
+
+#include "compose.hpp"
+#include "config.h"
 #include "create_cli.h"
 #include "dcp_content_type.h"
 #include "ratio.h"
-#include "config.h"
-#include "compose.hpp"
 #include <dcp/raw_convert.h>
+#include <iostream>
 #include <string>
 
-#include <iostream>
 
 using std::string;
 using std::cout;
 using boost::optional;
 
+
 string CreateCLI::_help =
        "\nSyntax: %1 [OPTION] <CONTENT> [OPTION] [<CONTENT> ...]\n"
        "  -v, --version                 show DCP-o-matic version\n"
@@ -52,7 +54,9 @@ string CreateCLI::_help =
        "      --threed                  make a 3D DCP\n"
        "      --j2k-bandwidth <Mbit/s>  J2K bandwidth in Mbit/s\n"
        "      --left-eye                next piece of content is for the left eye\n"
-       "      --right-eye               next piece of content is for the right eye\n";
+       "      --right-eye               next piece of content is for the right eye\n"
+       "      --channel <channel>       next piece of content should be mapped to audio channel L, R, C, Lfe, Ls or Rs\n";
+
 
 template <class T>
 void
@@ -72,16 +76,53 @@ argument_option (int& n, int argc, char* argv[], string short_name, string long_
        *claimed = true;
 }
 
+
+template <class T>
+void
+argument_option (
+       int& n,
+       int argc,
+       char* argv[],
+       string short_name,
+       string long_name,
+       bool* claimed,
+       optional<string>* error,
+       boost::optional<T>* out,
+       std::function<boost::optional<T> (string s)> convert = [](string s) { return dcp::raw_convert<T>(s); }
+       )
+{
+       string const a = argv[n];
+       if (a != short_name && a != long_name) {
+               return;
+       }
+
+       if ((n + 1) >= argc) {
+               **error = String::compose("%1: option %2 requires an argument", argv[0], long_name);
+               return;
+       }
+
+       auto const arg = argv[++n];
+       auto const value = convert(arg);
+       if (!value) {
+               *error = String::compose("%1: %2 is not valid for %3", argv[0], arg, long_name);
+               *claimed = true;
+               return;
+       }
+
+       *out = value;
+       *claimed = true;
+}
+
+
 CreateCLI::CreateCLI (int argc, char* argv[])
        : version (false)
        , encrypt (false)
        , threed (false)
-       , dcp_content_type (0)
-       , container_ratio (0)
+       , dcp_content_type (nullptr)
+       , container_ratio (nullptr)
        , still_length (10)
-       , standard (dcp::SMPTE)
+       , standard (dcp::Standard::SMPTE)
        , no_use_isdcf_name (false)
-       , no_sign (false)
        , fourk (false)
 {
        string dcp_content_type_string = "TST";
@@ -89,10 +130,9 @@ CreateCLI::CreateCLI (int argc, char* argv[])
        string standard_string = "SMPTE";
        int dcp_frame_rate_int = 0;
        string template_name_string;
-       string config_dir_string;
-       string output_dir_string;
        int j2k_bandwidth_int = 0;
-       VideoFrameType next_frame_type = VIDEO_FRAME_TYPE_2D;
+       auto next_frame_type = VideoFrameType::TWO_D;
+       optional<dcp::Channel> channel;
 
        int i = 1;
        while (i < argc) {
@@ -113,21 +153,23 @@ CreateCLI::CreateCLI (int argc, char* argv[])
                        encrypt = claimed = true;
                } else if (a == "--no-use-isdcf-name") {
                        no_use_isdcf_name = claimed = true;
-               } else if (a == "--no-sign") {
-                       no_sign = claimed = true;
                } else if (a == "--threed") {
                        threed = claimed = true;
                } else if (a == "--left-eye") {
-                       next_frame_type = VIDEO_FRAME_TYPE_3D_LEFT;
+                       next_frame_type = VideoFrameType::THREE_D_LEFT;
                        claimed = true;
                } else if (a == "--right-eye") {
-                       next_frame_type = VIDEO_FRAME_TYPE_3D_RIGHT;
+                       next_frame_type = VideoFrameType::THREE_D_RIGHT;
                        claimed = true;
                } else if (a == "--fourk") {
                        fourk = true;
                        claimed = true;
                }
 
+               std::function<optional<boost::filesystem::path> (string s)> string_to_path = [](string s) {
+                       return boost::filesystem::path(s);
+               };
+
                argument_option(i, argc, argv, "-n", "--name",             &claimed, &error, &name);
                argument_option(i, argc, argv, "-t", "--template",         &claimed, &error, &template_name_string);
                argument_option(i, argc, argv, "-c", "--dcp-content-type", &claimed, &error, &dcp_content_type_string);
@@ -135,10 +177,30 @@ CreateCLI::CreateCLI (int argc, char* argv[])
                argument_option(i, argc, argv, "",   "--container-ratio",  &claimed, &error, &container_ratio_string);
                argument_option(i, argc, argv, "-s", "--still-length",     &claimed, &error, &still_length);
                argument_option(i, argc, argv, "",   "--standard",         &claimed, &error, &standard_string);
-               argument_option(i, argc, argv, "",   "--config",           &claimed, &error, &config_dir_string);
-               argument_option(i, argc, argv, "-o", "--output",           &claimed, &error, &output_dir_string);
+               argument_option(i, argc, argv, "",   "--config",           &claimed, &error, &config_dir, string_to_path);
+               argument_option(i, argc, argv, "-o", "--output",           &claimed, &error, &output_dir, string_to_path);
                argument_option(i, argc, argv, "",   "--j2k-bandwidth",    &claimed, &error, &j2k_bandwidth_int);
 
+               std::function<optional<dcp::Channel> (string)> convert_channel = [](string channel) -> optional<dcp::Channel>{
+                       if (channel == "L") {
+                               return dcp::Channel::LEFT;
+                       } else if (channel == "R") {
+                               return dcp::Channel::RIGHT;
+                       } else if (channel == "C") {
+                               return dcp::Channel::CENTRE;
+                       } else if (channel == "Lfe") {
+                               return dcp::Channel::LFE;
+                       } else if (channel == "Ls") {
+                               return dcp::Channel::LS;
+                       } else if (channel == "Rs") {
+                               return dcp::Channel::RS;
+                       } else {
+                               return {};
+                       }
+               };
+
+               argument_option(i, argc, argv, "", "--channel", &claimed, &error, &channel, convert_channel);
+
                if (!claimed) {
                        if (a.length() > 2 && a.substr(0, 2) == "--") {
                                error = String::compose("%1: unrecognised option '%2'", argv[0], a) + String::compose(_help, argv[0]);
@@ -147,22 +209,16 @@ CreateCLI::CreateCLI (int argc, char* argv[])
                                Content c;
                                c.path = a;
                                c.frame_type = next_frame_type;
+                               c.channel = channel;
                                content.push_back (c);
-                               next_frame_type = VIDEO_FRAME_TYPE_2D;
+                               next_frame_type = VideoFrameType::TWO_D;
+                               channel = {};
                        }
                }
 
                ++i;
        }
 
-       if (!config_dir_string.empty()) {
-               config_dir = config_dir_string;
-       }
-
-       if (!output_dir_string.empty()) {
-               output_dir = output_dir_string;
-       }
-
        if (!template_name_string.empty()) {
                template_name = template_name_string;
        }
@@ -194,6 +250,10 @@ CreateCLI::CreateCLI (int argc, char* argv[])
                return;
        }
 
+       if (standard_string == "interop") {
+               standard = dcp::Standard::INTEROP;
+       }
+
        if (content.empty()) {
                error = String::compose("%1: no content specified", argv[0]);
                return;