lsnes/videodumper2.cpp
Ilari Liusvaara c932df0faa lsnes rr0-β0
The first release for public testing.
2011-09-13 17:50:18 +03:00

148 lines
4 KiB
C++

#include "videodumper.hpp"
#include "videodumper2.hpp"
#include <iomanip>
#include <cassert>
#include <cstring>
#include <sstream>
#include <zlib.h>
#include "misc.hpp"
#include "fieldsplit.hpp"
avidumper* vid_dumper = NULL;
void update_movie_state();
bool vid_dumper_command(std::string& cmd, window* win) throw(std::bad_alloc, std::runtime_error)
{
std::map<std::string, std::string>* y;
std::map<std::string, std::string> _y;
if(win)
y = &(win->get_emustatus());
else
y = &_y;
if(is_cmd_prefix(cmd, "dump-video")) {
std::string syntax = "Syntax: dump-video <0-18> <prefix>";
tokensplitter t(cmd);
std::string dummy = t;
std::string level = t;
std::string prefix = t.tail();
if(prefix == "")
throw std::runtime_error(syntax);
if(vid_dumper)
throw std::runtime_error("Video dumping already in progress");
unsigned long level2;
try {
level2 = parse_value<unsigned long>(level);
if(level2 > 18)
throw std::runtime_error("Level must be 0-18");
} catch(std::bad_alloc& e) {
OOM_panic(win);
} catch(std::runtime_error& e) {
throw std::runtime_error("Bad video compression level '" + level + "': " + e.what());
}
struct avi_info parameters;
parameters.compression_level = (level2 > 9) ? (level2 - 9) : level2;
parameters.audio_drop_counter_inc = 81;
parameters.audio_drop_counter_max = 64081;
parameters.audio_sampling_rate = 32000;
parameters.audio_native_sampling_rate = 32040.5;
parameters.keyframe_interval = (level2 > 9) ? 300 : 1;
try {
vid_dumper = new avidumper(prefix, parameters);
} catch(std::bad_alloc& e) {
OOM_panic(win);
} catch(std::exception& e) {
std::ostringstream x;
x << "Error starting dump: " << e.what();
throw std::runtime_error(x.str());
}
out(win) << "Dumping to " << prefix << " at level " << level2 << std::endl;
update_movie_state();
return true;
} else if(is_cmd_prefix(cmd, "end-video")) {
if(!vid_dumper)
throw std::runtime_error("No video dump in progress");
try {
vid_dumper->on_end();
out(win) << "Dump finished" << std::endl;
} catch(std::bad_alloc& e) {
OOM_panic(win);
} catch(std::exception& e) {
out(win) << "Error ending dump: " << e.what() << std::endl;
}
delete vid_dumper;
vid_dumper = NULL;
update_movie_state();
return true;
} else
return false;
}
void end_vid_dump() throw(std::bad_alloc, std::runtime_error)
{
if(vid_dumper)
try {
vid_dumper->on_end();
} catch(std::bad_alloc& e) {
throw;
} catch(std::exception& e) {
std::cerr << "Error ending dump: " << e.what() << std::endl;
}
}
screen dscr;
void dump_frame(lcscreen& ls, render_queue* rq, uint32_t left, uint32_t right, uint32_t top, uint32_t bottom,
bool region, window* win) throw(std::bad_alloc, std::runtime_error)
{
if(vid_dumper)
try {
uint32_t _magic = 403703808;
uint8_t* magic = reinterpret_cast<uint8_t*>(&_magic);
dscr.reallocate(left + ls.width + right, top + ls.height + bottom, left, top, true);
dscr.set_palette(magic[2], magic[1], magic[0]);
dscr.copy_from(ls, 1, 1);
if(rq)
rq->run(dscr);
assert(dscr.memory);
assert(dscr.width);
assert(dscr.height);
uint32_t fps_n = 10738636;
uint32_t fps_d = 178683;
if(region) {
fps_n = 322445;
fps_d = 6448;
}
vid_dumper->on_frame(dscr.memory, dscr.width, dscr.height, fps_n, fps_d);
} catch(std::bad_alloc& e) {
OOM_panic(win);
} catch(std::exception& e) {
out(win) << "Error sending video frame: " << e.what() << std::endl;
}
if(rq)
rq->clear();
}
void dump_audio_sample(int16_t l_sample, int16_t r_sample, window* win) throw(std::bad_alloc, std::runtime_error)
{
if(vid_dumper)
try {
vid_dumper->on_sample(l_sample, r_sample);
} catch(std::bad_alloc& e) {
OOM_panic(win);
} catch(std::exception& e) {
out(win) << "Error sending audio sample: " << e.what() << std::endl;
}
}
bool dump_in_progress() throw()
{
return (vid_dumper != NULL);
}
void video_fill_shifts(uint32_t& r, uint32_t& g, uint32_t& b)
{
r = dscr.active_rshift;
g = dscr.active_gshift;
b = dscr.active_bshift;
}