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Change next-file naming functions to work on filename stems.

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This paves the way for writing metadata files with similar prefixes, and avoids confusing numbering of capture files with different extensions (e.g. BAD_0000.S16 and BBD_0000.S8).
This commit is contained in:
Jared Boone 2016-04-29 11:27:12 -07:00
parent dc8c34487f
commit 12b8a1b2a9
7 changed files with 29 additions and 34 deletions
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8
firmware/application/analog_audio_app.cpp
View File

@ -316,13 +316,13 @@ void AnalogAudioView::on_record() {
}
void AnalogAudioView::record_start() {
const auto filename = next_filename_matching_pattern("AUD_????.S16");
text_record_filename.set(filename);
if( filename.empty() ) {
const auto filename_stem = next_filename_stem_matching_pattern("AUD_????");
text_record_filename.set(filename_stem);
if( filename_stem.empty() ) {
return;
}
capture_thread = std::make_unique<CaptureThread>(filename, 12, 2);
capture_thread = std::make_unique<CaptureThread>(filename_stem + ".S16", 12, 2);
button_record.set_bitmap(&bitmap_stop);
}

2
firmware/application/analog_audio_app.hpp
View File

@ -150,7 +150,7 @@ private:
};
Text text_record_filename {
{ 3 * 8, 2 * 16, 12 * 8, 16 },
{ 3 * 8, 2 * 16, 8 * 8, 16 },
"",
};

8
firmware/application/capture_app.cpp
View File

@ -115,14 +115,14 @@ void CaptureAppView::on_record() {
capture_thread.reset();
button_record.set_bitmap(&bitmap_record);
} else {
const auto filename = next_filename_matching_pattern("BBD_????.C16");
text_record_filename.set(filename);
const auto filename_stem = next_filename_stem_matching_pattern("BBD_????");
text_record_filename.set(filename_stem);
text_record_dropped.set("");
if( filename.empty() ) {
if( filename_stem.empty() ) {
return;
}
capture_thread = std::make_unique<CaptureThread>(filename, 14, 1);
capture_thread = std::make_unique<CaptureThread>(filename_stem + ".C16", 14, 1);
button_record.set_bitmap(&bitmap_stop);
}
}

2
firmware/application/capture_app.hpp
View File

@ -75,7 +75,7 @@ private:
};
Text text_record_filename {
{ 3 * 8, 2 * 16, 12 * 8, 16 },
{ 3 * 8, 2 * 16, 8 * 8, 16 },
"",
};

35
firmware/application/file.cpp
View File

@ -94,22 +94,16 @@ static std::string find_last_file_matching_pattern(const std::string& pattern) {
return last_match;
}
static std::string increment_filename_ordinal(const std::string& filename) {
std::string result { filename };
static std::string remove_filename_extension(const std::string& filename) {
const auto extension_index = filename.find_last_of('.');
return filename.substr(0, extension_index);
}
static std::string increment_filename_stem_ordinal(const std::string& filename_stem) {
std::string result { filename_stem };
auto it = result.rbegin();
// Back up past extension.
for(; it != result.rend(); ++it) {
if( *it == '.' ) {
++it;
break;
}
}
if( it == result.rend() ) {
return { };
}
// Increment decimal number before the extension.
for(; it != result.rend(); ++it) {
const auto c = *it;
@ -128,15 +122,16 @@ static std::string increment_filename_ordinal(const std::string& filename) {
return result;
}
std::string next_filename_matching_pattern(const std::string& filename_pattern) {
auto filename = find_last_file_matching_pattern(filename_pattern);
if( filename.empty() ) {
filename = filename_pattern;
std::replace(std::begin(filename), std::end(filename), '?', '0');
std::string next_filename_stem_matching_pattern(const std::string& filename_stem_pattern) {
const auto filename = find_last_file_matching_pattern(filename_stem_pattern + ".*");
auto filename_stem = remove_filename_extension(filename);
if( filename_stem.empty() ) {
filename_stem = filename_stem_pattern;
std::replace(std::begin(filename_stem), std::end(filename_stem), '?', '0');
} else {
filename = increment_filename_ordinal(filename);
filename_stem = increment_filename_stem_ordinal(filename_stem);
}
return filename;
return filename_stem;
}
namespace std {

2
firmware/application/file.hpp
View File

@ -57,7 +57,7 @@ private:
FIL f;
};
std::string next_filename_matching_pattern(const std::string& filename_pattern);
std::string next_filename_stem_matching_pattern(const std::string& filename_stem_pattern);
namespace std {
namespace filesystem {

6
firmware/application/ui_navigation.cpp
View File

@ -81,12 +81,12 @@ void SystemStatusView::set_title(const std::string new_value) {
}
void SystemStatusView::on_camera() {
const auto filename = next_filename_matching_pattern("SCR_????.PNG");
if( filename.empty() ) {
const auto filename_stem = next_filename_stem_matching_pattern("SCR_????");
if( filename_stem.empty() ) {
return;
}
PNGWriter png { filename };
PNGWriter png { filename_stem + ".PNG" };
for(int i=0; i<320; i++) {
std::array<ColorRGB888, 240> row;