mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-07-27 21:10:29 +00:00
Get printvideo audio working on Windows and MacOS
This commit is contained in:
Justine Tunney
parent
07fde68d52
commit
5d3b91d8b9
18 changed files with 93470 additions and 212 deletions
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@ -16,6 +16,7 @@ TOOL_VIZ_BINS = \
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$(TOOL_VIZ_COMS:%=%.dbg)
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TOOL_VIZ_DIRECTDEPS = \
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DSP_AUDIO \
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DSP_CORE \
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DSP_MPEG \
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DSP_SCALE \
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@ -16,6 +16,7 @@
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "dsp/audio/cosmoaudio/cosmoaudio.h"
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#include "dsp/core/core.h"
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#include "dsp/core/half.h"
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#include "dsp/core/illumination.h"
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@ -142,8 +143,6 @@ Effects Shortcuts:\n\
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CTRL-G {Unsharp,Sharp}\n\
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\n\
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Environment Variables:\n\
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SOX overrides location of SoX executable\n\
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FFPLAY overrides location of FFmpeg ffplay executable\n\
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ROWS=𝑦 sets height [inarticulate mode]\n\
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COLUMNS=𝑥 sets width [inarticulate mode]\n\
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TERM=dumb inarticulate mode\n\
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@ -158,11 +157,6 @@ in a different format, then it's fast and easy to convert them:\n\
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The terminal fonts we recommend are PragmataPro, Bitstream Vera Sans\n\
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Mono (known as DejaVu Sans Mono in the open source community), Menlo,\n\
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and Lucida Console.\n\
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\n\
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On Linux, playing audio requires either `sox` or `ffplay` being on\n\
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the $PATH. Kitty is the fastest terminal. Alacritty also has a fast\n\
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display. GNOME Terminal and xterm both work well in 256-color or ANSI\n\
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mode.\n\
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\n"
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#define CTRL(C) ((C) ^ 0100)
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@ -226,16 +220,6 @@ struct FrameBuffer {
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struct FrameBufferVirtualScreenInfo vscreen;
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};
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static const struct itimerval kTimerDisarm = {
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{0, 0},
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{0, 0},
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};
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static const struct itimerval kTimerHalfSecondSingleShot = {
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{0, 0},
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{0, 500000},
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};
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static const struct NamedVector kPrimaries[] = {
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{"BT.601", &kBt601Primaries},
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{"BT.709", &kBt709Primaries},
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@ -256,6 +240,7 @@ static const struct NamedVector kLightings[] = {
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static plm_t *plm_;
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static float gamma_;
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static int volscale_;
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struct CosmoAudio *ca_;
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static enum Blur blur_;
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static enum Sharp sharp_;
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static jmp_buf jb_, jbi_;
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@ -263,32 +248,27 @@ static double pary_, parx_;
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static struct TtyIdent ti_;
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static struct YCbCr *ycbcr_;
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static bool emboss_, sobel_;
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static volatile int playpid_;
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static const char *patharg_;
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static struct winsize wsize_;
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static float hue_, sat_, lit_;
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static volatile bool resized_;
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static void *xtcodes_, *audio_;
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static struct FrameBuffer fb0_;
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static unsigned chans_, srate_;
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static volatile bool ignoresigs_;
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static size_t dh_, dw_, framecount_;
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static struct FrameCountRing fcring_;
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static volatile bool resized_, piped_;
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static int lumakernel_, chromakernel_;
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static openspeaker_f tryspeakerfns_[4];
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static int primaries_, lighting_, swing_;
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static uint64_t t1, t2, t3, t4, t5, t6, t8;
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static const char *sox_, *ffplay_, *patharg_;
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static int homerow_, lastrow_, infd_, outfd_;
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static struct VtFrame vtframe_[2], *f1_, *f2_;
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static struct Graphic graphic_[2], *g1_, *g2_;
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static struct timespec deadline_, dura_, starttime_;
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static bool yes_, stats_, dither_, ttymode_, istango_;
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static struct timespec decode_start_, f1_start_, f2_start_;
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static int16_t pcm_[PLM_AUDIO_SAMPLES_PER_FRAME * 2 / 8][8];
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static int16_t pcmscale_[PLM_AUDIO_SAMPLES_PER_FRAME * 2 / 8][8];
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static bool fullclear_, historyclear_, tuned_, yonly_, gotvideo_;
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static int homerow_, lastrow_, playfd_, infd_, outfd_, speakerfails_;
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static char status_[7][200], logpath_[PATH_MAX], fifopath_[PATH_MAX],
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chansstr_[32], sratestr_[32];
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static char status_[7][200], logpath_[PATH_MAX], chansstr_[32], sratestr_[32];
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static void OnCtrlC(void) {
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longjmp(jb_, 1);
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@ -298,18 +278,6 @@ static void OnResize(void) {
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resized_ = true;
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}
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static void OnSigPipe(void) {
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piped_ = true;
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}
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static void OnSigChld(void) {
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playpid_ = 0, piped_ = true;
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}
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static void StrikeDownCrapware(int sig) {
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kill(playpid_, SIGKILL);
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}
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static struct timespec GetGraceTime(void) {
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return timespec_sub(deadline_, timespec_real());
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}
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@ -349,32 +317,9 @@ static int GetLighting(const char *s) {
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return GetNamedVector(kLightings, ARRAYLEN(kLightings), s);
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}
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static bool CloseSpeaker(void) {
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int rc, wstatus;
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rc = 0;
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pthread_yield();
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if (playfd_) {
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rc |= close(playfd_);
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playfd_ = -1;
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}
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if (playpid_) {
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kill(playpid_, SIGTERM);
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xsigaction(SIGALRM, StrikeDownCrapware, SA_RESETHAND, 0, 0);
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setitimer(ITIMER_REAL, &kTimerHalfSecondSingleShot, NULL);
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while (playpid_) {
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if (waitpid(playpid_, &wstatus, 0) != -1) {
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rc |= WEXITSTATUS(wstatus);
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} else if (errno == EINTR) {
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continue;
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} else {
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rc = -1;
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}
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break;
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}
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playpid_ = 0;
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setitimer(ITIMER_REAL, &kTimerDisarm, NULL);
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}
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return !!rc;
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static void CloseSpeaker(void) {
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if (ca_)
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cosmoaudio_close(ca_);
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}
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static void ResizeVtFrame(struct VtFrame *f, size_t yn, size_t xn) {
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@ -473,106 +418,14 @@ static void DimensionDisplay(void) {
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} while (resized_);
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}
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static int WriteAudio(int fd, const void *data, size_t size, int deadlinems) {
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ssize_t rc;
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const char *p;
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size_t wrote, n;
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p = data;
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n = size;
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do {
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TryAgain:
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if ((rc = write(fd, p, n)) != -1) {
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wrote = rc;
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p += wrote;
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n -= wrote;
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} else if (errno == EINTR) {
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goto TryAgain;
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} else if (errno == EAGAIN) {
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if (poll((struct pollfd[]){{fd, POLLOUT}}, 1, deadlinems) == 0) {
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return etimedout();
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}
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} else {
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return -1;
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}
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} while (n);
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return 0;
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}
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static bool TrySpeaker(const char *prog, char *const *args) {
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int pipefds[2];
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CHECK_NE(-1, pipe2(pipefds, O_CLOEXEC));
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if (!(playpid_ = fork())) {
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dup2(pipefds[0], 0);
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dup2(fileno(__log_file), 1);
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dup2(fileno(__log_file), 2);
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close(fileno(__log_file));
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execv(prog, args);
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abort();
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}
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playfd_ = pipefds[1];
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return true;
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}
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static bool TrySox(void) {
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return TrySpeaker(sox_, ARGZ("play", "-q", "-c", chansstr_, "-traw",
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"-esigned", "-b16", "-r", sratestr_, "-"));
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}
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static bool TryFfplay(void) {
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return TrySpeaker(ffplay_, ARGZ("ffplay", "-nodisp", "-loglevel", "quiet",
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"-fflags", "nobuffer", "-ac", chansstr_,
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"-ar", sratestr_, "-f", "s16le", "pipe:"));
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}
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static bool OpenSpeaker(void) {
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size_t i;
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static bool once, count;
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if (!once) {
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once = true;
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i = 0;
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if (ffplay_)
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tryspeakerfns_[i++] = TryFfplay;
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if (sox_)
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tryspeakerfns_[i++] = TrySox;
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}
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snprintf(fifopath_, sizeof(fifopath_), "%s%s.%d.%d.wav", __get_tmpdir(),
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firstnonnull(program_invocation_short_name, "unknown"), getpid(),
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count);
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for (i = 0; i < ARRAYLEN(tryspeakerfns_); ++i) {
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if (tryspeakerfns_[i]) {
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if (++speakerfails_ <= 2 && tryspeakerfns_[i]()) {
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return true;
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} else {
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speakerfails_ = 0;
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tryspeakerfns_[i] = NULL;
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}
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}
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}
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return false;
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return cosmoaudio_open(&ca_, srate_, chans_) == COSMOAUDIO_SUCCESS;
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}
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static void OnAudio(plm_t *mpeg, plm_samples_t *samples, void *user) {
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if (playfd_ != -1) {
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DEBUGF("OnAudio() [grace=%,ldns]", timespec_tonanos(GetGraceTime()));
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CHECK_EQ(2, chans_);
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CHECK_EQ(ARRAYLEN(pcm_) * 8, samples->count * chans_);
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float2short(ARRAYLEN(pcm_), pcm_, (void *)samples->interleaved);
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scalevolume(ARRAYLEN(pcm_), pcm_, volscale_);
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sad16x8n(ARRAYLEN(pcm_), pcm_, pcmscale_);
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DEBUGF("transcoded audio");
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TryAgain:
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if (WriteAudio(playfd_, pcm_, sizeof(pcm_), 1000) != -1) {
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DEBUGF("WriteAudio(%d, %zu) ok [grace=%,ldns]", playfd_,
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samples->count * 2, timespec_tonanos(GetGraceTime()));
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} else {
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WARNF("WriteAudio(%d, %zu) failed: %s", playfd_, samples->count * 2,
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strerror(errno));
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CloseSpeaker();
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if (OpenSpeaker()) {
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goto TryAgain;
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}
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}
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}
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if (!ca_)
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return;
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cosmoaudio_write(ca_, samples->interleaved, samples->count);
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}
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static void DescribeAlgorithms(char *p) {
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@ -885,7 +738,6 @@ static void OnVideo(plm_t *mpeg, plm_frame_t *pf, void *user) {
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static void OpenVideo(void) {
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size_t yn, xn;
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playfd_ = -1;
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INFOF("%s(%`'s)", "OpenVideo", patharg_);
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CHECK_NOTNULL((plm_ = plm_create_with_filename(patharg_)));
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swing_ = 219;
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@ -1336,14 +1188,8 @@ static void RestoreTty(void) {
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}
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static void HandleSignals(void) {
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if (piped_) {
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WARNF("SIGPIPE");
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CloseSpeaker();
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piped_ = false;
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}
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if (resized_) {
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if (resized_)
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RefreshDisplay();
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}
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}
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static void PrintVideo(void) {
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@ -1393,17 +1239,6 @@ static bool AskUserYesOrNoQuestion(const char *prompt) {
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return c == 'y' || c == 'Y';
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}
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static bool CanPlayAudio(void) {
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if (ffplay_ || sox_) {
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return true;
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} else if (AskUserYesOrNoQuestion(
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"ffplay not found; continue without audio?")) {
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return false;
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} else {
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longjmp(jb_, 1);
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}
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}
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static void PrintUsage(int rc, int fd) {
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tinyprint(fd, "Usage: ", program_invocation_name, USAGE, NULL);
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exit(rc);
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@ -1442,8 +1277,6 @@ static void GetOpts(int argc, char *argv[]) {
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}
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static void OnExit(void) {
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if (playpid_)
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kill(playpid_, SIGTERM), sched_yield();
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if (plm_)
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plm_destroy(plm_), plm_ = NULL;
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YCbCrFree(&ycbcr_);
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@ -1460,11 +1293,6 @@ static void OnExit(void) {
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CloseSpeaker();
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}
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static void MakeLatencyLittleLessBad(void) {
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LOGIFNEG1(sys_mlockall(MCL_CURRENT));
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LOGIFNEG1(nice(-5));
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}
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static void PickDefaults(void) {
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/*
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* Direct color ain't true color -- it just means xterm does the
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@ -1478,13 +1306,6 @@ static void PickDefaults(void) {
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}
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}
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static void RenounceSpecialPrivileges(void) {
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if (issetugid()) {
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setegid(getgid());
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seteuid(getuid());
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}
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}
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#define FBIOGET_VSCREENINFO 0x4600
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#define FBIOGET_FSCREENINFO 0x4602
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@ -1582,7 +1403,6 @@ static void TryToOpenFrameBuffer(void) {
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int main(int argc, char *argv[]) {
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sigset_t wut;
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const char *s;
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ShowCrashReports();
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gamma_ = 2.4;
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volscale_ -= 2;
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@ -1599,17 +1419,6 @@ int main(int argc, char *argv[]) {
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if (optind == argc)
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PrintUsage(EX_USAGE, STDERR_FILENO);
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patharg_ = argv[optind];
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s = commandvenv("SOX", "sox");
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sox_ = s ? strdup(s) : 0;
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s = commandvenv("FFPLAY", "ffplay");
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ffplay_ = s ? strdup(s) : 0;
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if (!sox_ && !ffplay_) {
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fprintf(stderr, "please install either the "
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"`play` (sox) or "
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"`ffplay` (ffmpeg) "
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"commands, so printvideo can play audio\n");
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usleep(10000);
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}
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infd_ = STDIN_FILENO;
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outfd_ = STDOUT_FILENO;
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if (!setjmp(jb_)) {
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@ -1617,8 +1426,6 @@ int main(int argc, char *argv[]) {
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xsigaction(SIGHUP, OnCtrlC, 0, 0, NULL);
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xsigaction(SIGTERM, OnCtrlC, 0, 0, NULL);
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xsigaction(SIGWINCH, OnResize, 0, 0, NULL);
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xsigaction(SIGCHLD, OnSigChld, 0, 0, NULL);
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xsigaction(SIGPIPE, OnSigPipe, 0, 0, NULL);
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if (ttyraw(kTtyLfToCrLf) != -1)
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ttymode_ = true;
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__cxa_atexit((void *)OnExit, NULL, NULL);
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@ -1629,10 +1436,7 @@ int main(int argc, char *argv[]) {
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infd_ = -1;
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}
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/* CHECK_NE(-1, fcntl(outfd_, F_SETFL, O_NONBLOCK)); */
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if (CanPlayAudio())
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MakeLatencyLittleLessBad();
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TryToOpenFrameBuffer();
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RenounceSpecialPrivileges();
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if (t2 > t1)
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longjmp(jb_, 1);
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OpenVideo();
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