char * http_encode_uri(const char *uri, size_t len, int space_as_plus) { struct buffer *buf = buffer_new(); if (buf == NULL) return (NULL); const char *p, *end; char *result; if (len >= 0) end = uri+len; else end = uri+strlen(uri); for (p = uri; p < end; p++) { if (CHAR_IS_UNRESERVED(*p)) { buffer_add(buf, p, 1); } else if (*p == ' ' && space_as_plus) { buffer_add(buf, "+", 1); } else { buffer_add_printf(buf, "%%%02X", (unsigned char)(*p)); } } buffer_add(buf, "", 1); /* NUL-terminator. */ result = malloc(buf->len); if (!result) return NULL; buffer_remove(buf, result, buf->len); buffer_free(buf); return (result); }
/* Fill buffers from socket based on poll results. */ int buffer_poll(struct pollfd *pfd, struct buffer *in, struct buffer *out) { ssize_t n; if (pfd->revents & (POLLERR|POLLNVAL|POLLHUP)) return (-1); if (pfd->revents & POLLIN) { buffer_ensure(in, BUFSIZ); n = read(pfd->fd, BUFFER_IN(in), BUFFER_FREE(in)); if (n == 0) return (-1); if (n == -1) { if (errno != EINTR && errno != EAGAIN) return (-1); } else buffer_add(in, n); } if (BUFFER_USED(out) > 0 && pfd->revents & POLLOUT) { n = write(pfd->fd, BUFFER_OUT(out), BUFFER_USED(out)); if (n == -1) { if (errno != EINTR && errno != EAGAIN) return (-1); } else buffer_remove(out, n); } return (0); }
void stream_remove(lua_Stream *self, size_t pos, size_t size) { assert(pos + size <= stream_size(self)); buffer_remove(&self->buf, pos, size); if (self->pos >= pos + size) self->pos -= size; else if(self->pos >= pos) self->pos = pos; }
void input_parse(struct window_pane *wp) { struct input_ctx *ictx = &wp->ictx; u_char ch; if (BUFFER_USED(wp->in) == 0) return; ictx->buf = BUFFER_OUT(wp->in); ictx->len = BUFFER_USED(wp->in); ictx->off = 0; ictx->wp = wp; log_debug2("entry; buffer=%zu", ictx->len); if (wp->mode == NULL) screen_write_start(&ictx->ctx, wp, &wp->base); else screen_write_start(&ictx->ctx, NULL, &wp->base); if (ictx->off != ictx->len) wp->window->flags |= WINDOW_ACTIVITY; while (ictx->off < ictx->len) { ch = ictx->buf[ictx->off++]; ictx->state(ch, ictx); } screen_write_stop(&ictx->ctx); buffer_remove(wp->in, ictx->len); }
void __pspgl_buffer_want_vidmem(struct pspgl_buffer *buf) { /* Move buffer away from eviction end of the list */ if (!list_pin) { buffer_remove(buf); buffer_insert_tail(buf); } }
/* Extract an 8-bit value. */ uint8_t buffer_read8(struct buffer *b) { uint8_t n; n = BUFFER_OUT(b)[0]; buffer_remove(b, 1); return (n); }
/* Extract a 16-bit value. */ uint16_t buffer_read16(struct buffer *b) { uint16_t n; n = BUFFER_OUT(b)[0] | (BUFFER_OUT(b)[1] << 8); buffer_remove(b, 2); return (n); }
/* Start a job running, if it isn't already. */ int job_run(struct job *job) { int nullfd, out[2], mode; if (!(job->flags & JOB_DONE)) return (0); job->flags &= ~JOB_DONE; if (pipe(out) != 0) return (-1); switch (job->pid = fork()) { case -1: return (-1); case 0: /* child */ sigreset(); /* XXX environ? */ if (dup2(out[1], STDOUT_FILENO) == -1) fatal("dup2 failed"); if (out[1] != STDOUT_FILENO) close(out[1]); close(out[0]); nullfd = open(_PATH_DEVNULL, O_RDWR, 0); if (nullfd < 0) fatal("open failed"); if (dup2(nullfd, STDIN_FILENO) == -1) fatal("dup2 failed"); if (dup2(nullfd, STDERR_FILENO) == -1) fatal("dup2 failed"); if (nullfd != STDIN_FILENO && nullfd != STDERR_FILENO) close(nullfd); execl(_PATH_BSHELL, "sh", "-c", job->cmd, (char *) NULL); fatal("execl failed"); default: /* parent */ close(out[1]); job->fd = out[0]; if ((mode = fcntl(job->fd, F_GETFL)) == -1) fatal("fcntl failed"); if (fcntl(job->fd, F_SETFL, mode|O_NONBLOCK) == -1) fatal("fcntl failed"); if (fcntl(job->fd, F_SETFD, FD_CLOEXEC) == -1) fatal("fcntl failed"); if (BUFFER_USED(job->out) != 0) buffer_remove(job->out, BUFFER_USED(job->out)); return (0); } }
/* Copy data out of a buffer. */ void buffer_read(struct buffer *b, void *data, size_t size) { if (size == 0) fatalx("zero size"); if (size > b->size) fatalx("underflow"); memcpy(data, BUFFER_OUT(b), size); buffer_remove(b, size); }
bool buffer_remove_ts (Buffer* buffer, int32_t start, int32_t length) { assert(NULL != buffer); assert(NULL != buffer->mutex); pthread_mutex_lock(buffer->mutex); bool ret = buffer_remove(buffer, start, length); pthread_mutex_unlock(buffer->mutex); return ret; }
void* ppmoutput_thread( void *arg ) { framebuffer_t *frame; stream_node_t *node; hthread_time_t start; hthread_time_t end; Huint frames; // Get the argument to the thread node = (stream_node_t*)arg; // Check that the node has been setup correctly ppmoutput_check_buffers( node ); // Initialize the FPS counter frames = 0; // Capture the current time hthread_time_get( &start ); // Run the input thread while( 1 ) { process_keys(); // Get an image to output from the input buffer frame = buffer_remove( node->input ); // Determine if we should stop processing if( frame == NULL ) break; // Output the ppm image //ppmoutput_write_file( frame ); // Show the FPS that we are handling ppmoutput_capture_time( &start, &end, &frames ); // Clean up the processed frame ppmoutput_cleanup_frame( node, frame ); } // Finish running the thread return NULL; }
void __pspgl_buffer_free(struct pspgl_buffer *data) { assert(data->refcount > 0); if (--data->refcount) return; buffer_remove(data); if (data->base) { if (is_edram_addr(data->base)) __pspgl_vidmem_free(data); else free(data->base); } data->list_next = buffer_freelist; buffer_freelist = data; }
framebuffer_t* tgainput_next_frame( stream_node_t *node, framebuffer_t *copy ) { framebuffer_t *frame; if( node->input == NULL ) { frame = (framebuffer_t*)malloc( sizeof(framebuffer_t) ); if( frame != NULL ) { framebuffer_create( frame, INPUT_WIDTH, INPUT_HEIGHT ); } } else { frame = buffer_remove( node->input ); } return frame; }
void *__pspgl_buffer_map(struct pspgl_buffer *data, GLenum access) { void *p = data->base; assert(data->mapped >= 0); switch(access) { case GL_READ_WRITE_ARB: /* FALLTHROUGH */ case GL_READ_ONLY_ARB: /* Need to invalidate if written by hardware, but only the first time */ if (!data->mapped) sceKernelDcacheInvalidateRange(data->base, data->size); break; case GL_WRITE_ONLY_ARB: /* Write-only streams are uncached to prevent cache pollution. If data->mapped != 0, this should be a no-op. */ p = __pspgl_uncached(p, data->size); break; default: GLERROR(GL_INVALID_ENUM); return NULL; } /* Buffers at the head are first to be moved into system memory. Mapping means we want it in system memory if possible, so make it more likely. XXX This is an overly simplistic policy, and there's no corresponding mechanism to move things into vidmem yet. */ if (!list_pin) { buffer_remove(data); buffer_insert_head(data); } data->mapped++; return p; }
int client_msg_dispatch(struct client_ctx *cctx, char **error) { struct hdr hdr; struct client_msg *msg; u_int i; if (BUFFER_USED(cctx->srv_in) < sizeof hdr) return (1); memcpy(&hdr, BUFFER_OUT(cctx->srv_in), sizeof hdr); if (BUFFER_USED(cctx->srv_in) < (sizeof hdr) + hdr.size) return (1); buffer_remove(cctx->srv_in, sizeof hdr); for (i = 0; i < nitems(client_msg_table); i++) { msg = client_msg_table + i; if (msg->type == hdr.type) { if (msg->fn(&hdr, cctx, error) != 0) return (-1); return (0); } } fatalx("unexpected message"); }
void* rotate_thread( void *arg ) { int res; framebuffer_t *dst; framebuffer_t *frame; stream_node_t *node; // Get the argument to the thread node = (stream_node_t*)arg; // Make sure that the input buffer is valid if( node->input == NULL ) { fprintf(stderr,"sobel node must be used with a valid input buffer\n"); exit(1 ); } // Make sure that the output buffer is valid if( node->output == NULL ) { fprintf(stderr,"sobel node must be used with a valid output buffer\n"); exit(1 ); } // By default we have no frame for the destination image dst = NULL; // Run the sobel thread while( 1 ) { process_keys(); // Get an image from the input buffer frame = buffer_remove( node->input ); // Determine if we should stop processing if( frame == NULL ) break; // Create a destination image if needed if( dst == NULL ) { dst = (framebuffer_t*)malloc( sizeof(framebuffer_t) ); if( dst != NULL ) { res = framebuffer_create( dst, frame->width, frame->height ); if( res != 0 ) { free(dst); dst = NULL; } } } // Process the image if we can otherwise pass on the input image if( dst != NULL && rotate_run ) { // Perform the filter framebuffer_rotate( dst, frame ); // Place the image on the output buffer buffer_insert( node->output, dst ); // Store the current frame for use as the destination next time dst = frame; } else { // Place the image on the output buffer unmodified buffer_insert( node->output, frame ); } } // Destroy our temporary storage free( dst ); // Finish running the thread return NULL; }
int main(int argc, char *argv[]) { avi_t *avifile1=NULL; avi_t *avifile2=NULL; avi_t *avifile3=NULL; char *in_file=NULL, *out_file=NULL; long frames, bytes; double fps; char *codec; int track_num=0, aud_tracks; int encode_null=0; int i, j, n, key, shift=0; int ch, preload=0; long rate, mp3rate; int width, height, format, chan, bits; int be_quiet = 0; FILE *status_fd = stderr; /* for null frame encoding */ char nulls[32000]; long nullbytes=0; char tmp0[] = "/tmp/nullfile.00.avi"; /* XXX: use mktemp*() */ buffer_list_t *ptr; double vid_ms = 0.0, shift_ms = 0.0, one_vid_ms = 0.0; double aud_ms [ AVI_MAX_TRACKS ]; int aud_bitrate = 0; int aud_chunks = 0; ac_init(AC_ALL); if(argc==1) usage(EXIT_FAILURE); while ((ch = getopt(argc, argv, "a:b:vi:o:n:Nq?h")) != -1) { switch (ch) { case 'i': if(optarg[0]=='-') usage(EXIT_FAILURE); in_file=optarg; break; case 'a': if(optarg[0]=='-') usage(EXIT_FAILURE); track_num = atoi(optarg); if(track_num<0) usage(EXIT_FAILURE); break; case 'b': if(optarg[0]=='-') usage(EXIT_FAILURE); is_vbr = atoi(optarg); if(is_vbr<0) usage(EXIT_FAILURE); break; case 'o': if(optarg[0]=='-') usage(EXIT_FAILURE); out_file=optarg; break; case 'f': if(optarg[0]=='-') usage(EXIT_FAILURE); comfile = optarg; break; case 'n': if(sscanf(optarg,"%d", &shift)!=1) { fprintf(stderr, "invalid parameter for option -n\n"); usage(EXIT_FAILURE); } break; case 'N': encode_null=1; break; case 'q': be_quiet = 1; break; case 'v': version(); exit(0); break; case 'h': usage(EXIT_SUCCESS); default: usage(EXIT_FAILURE); } } // check if(in_file==NULL || out_file == NULL) usage(EXIT_FAILURE); if(shift == 0) fprintf(stderr, "no sync requested - exit"); memset (nulls, 0, sizeof(nulls)); // open file if(NULL == (avifile1 = AVI_open_input_file(in_file,1))) { AVI_print_error("AVI open"); exit(1); } if(strcmp(in_file, out_file)==0) { printf("error: output filename conflicts with input filename\n"); exit(1); } if(NULL == (avifile2 = AVI_open_output_file(out_file))) { AVI_print_error("AVI open"); exit(1); } if (be_quiet) { if (!(status_fd = fopen("/dev/null", "w"))) { fprintf(stderr, "Can't open /dev/null\n"); exit(1); } } // read video info; AVI_info(avifile1); // read video info; frames = AVI_video_frames(avifile1); width = AVI_video_width(avifile1); height = AVI_video_height(avifile1); fps = AVI_frame_rate(avifile1); codec = AVI_video_compressor(avifile1); //set video in outputfile AVI_set_video(avifile2, width, height, fps, codec); if (comfile!=NULL) AVI_set_comment_fd(avifile2, open(comfile, O_RDONLY)); aud_tracks = AVI_audio_tracks(avifile1); for(j=0; j<aud_tracks; ++j) { AVI_set_audio_track(avifile1, j); rate = AVI_audio_rate(avifile1); chan = AVI_audio_channels(avifile1); bits = AVI_audio_bits(avifile1); format = AVI_audio_format(avifile1); mp3rate= AVI_audio_mp3rate(avifile1); //set next track of output file AVI_set_audio_track(avifile2, j); AVI_set_audio(avifile2, chan, rate, bits, format, mp3rate); AVI_set_audio_vbr(avifile2, is_vbr); } //switch to requested audio_channel if(AVI_set_audio_track(avifile1, track_num)<0) { fprintf(stderr, "invalid auto track\n"); } AVI_set_audio_track(avifile2, track_num); if (encode_null) { char cmd[1024]; rate = AVI_audio_rate(avifile2); chan = AVI_audio_channels(avifile2); bits = AVI_audio_bits(avifile2); format = AVI_audio_format(avifile2); mp3rate= AVI_audio_mp3rate(avifile2); if (bits==0) bits=16; if (mp3rate%2) mp3rate++; fprintf(status_fd, "Creating silent mp3 frame with current parameter\n"); memset (cmd, 0, sizeof(cmd)); tc_snprintf(cmd, sizeof(cmd), "transcode -i /dev/zero -o %s -x raw,raw" " -n 0x1 -g 16x16 -y raw,raw -c 0-5 -e %ld,%d,%d -b %ld -q0", tmp0, rate,bits,chan, mp3rate); printf(cmd); system(cmd); if(NULL == (avifile3 = AVI_open_input_file(tmp0,1))) { AVI_print_error("AVI open"); exit(1); } nullbytes = AVI_audio_size(avifile3, 3); /* just read a few frames */ if(AVI_read_audio(avifile3, nulls, nullbytes) < 0) { AVI_print_error("AVI audio read frame"); return(-1); } memset (nulls, 0, sizeof(nulls)); if(AVI_read_audio(avifile3, nulls, nullbytes) < 0) { AVI_print_error("AVI audio read frame"); return(-1); } memset (nulls, 0, sizeof(nulls)); if(AVI_read_audio(avifile3, nulls, nullbytes) < 0) { AVI_print_error("AVI audio read frame"); return(-1); } /* printf("\nBytes (%ld): \n", nullbytes); { int asd=0; for (asd=0; asd<nullbytes; asd++){ printf("%x ",(unsigned char)nulls[asd]); } printf("\n"); } */ } vid_ms = 0.0; shift_ms = 0.0; for (n=0; n<AVI_MAX_TRACKS; ++n) aud_ms[n] = 0.0; // --------------------------------------------------------------------- for (n=0; n<frames; ++n) { // video unchanged bytes = AVI_read_frame(avifile1, data, &key); if(bytes < 0) { AVI_print_error("AVI read video frame"); return(-1); } if(AVI_write_frame(avifile2, data, bytes, key)<0) { AVI_print_error("AVI write video frame"); return(-1); } vid_ms = (n+1)*1000.0/fps; // Pass-through all other audio tracks. for(j=0; j<aud_tracks; ++j) { // skip track we want to modify if (j == track_num) continue; // switch to track AVI_set_audio_track(avifile1, j); AVI_set_audio_track(avifile2, j); sync_audio_video_avi2avi(vid_ms, &aud_ms[j], avifile1, avifile2); } //switch to requested audio_channel if(AVI_set_audio_track(avifile1, track_num)<0) { fprintf(stderr, "invalid auto track\n"); } AVI_set_audio_track(avifile2, track_num); shift_ms = (double)shift*1000.0/fps; one_vid_ms = 1000.0/fps; format = AVI_audio_format(avifile1); rate = AVI_audio_rate(avifile1); chan = AVI_audio_channels(avifile1); bits = AVI_audio_bits(avifile1); bits = bits==0?16:bits; mp3rate= AVI_audio_mp3rate(avifile1); if(shift>0) { // for n < shift, shift audio frames are discarded if(!preload) { if (tc_format_ms_supported(format)) { for(i=0;i<shift;++i) { //fprintf (stderr, "shift (%d) i (%d) n (%d) a (%d)\n", shift, i, n, aud_chunks); while (aud_ms[track_num] < vid_ms + one_vid_ms*(double)i) { aud_bitrate = (format==0x1||format==0x2000)?1:0; aud_chunks++; if( (bytes = AVI_read_audio_chunk(avifile1, data)) <= 0) { aud_ms[track_num] = vid_ms + one_vid_ms*i; if (bytes == 0) continue; AVI_print_error("AVI 2 audio read frame"); break; } if ( !aud_bitrate && tc_get_audio_header(data, bytes, format, NULL, NULL, &aud_bitrate)<0) { // if this is the last frame of the file, slurp in audio chunks if (n == frames-1) continue; aud_ms[track_num] = vid_ms + one_vid_ms*i; } else aud_ms[track_num] += (bytes*8.0)/(format==0x1?((double)(rate*chan*bits)/1000.0): (format==0x2000?(double)(mp3rate):aud_bitrate)); } } } else { // fallback bytes=0; for(i=0;i<shift;++i) { do { if( (bytes = AVI_read_audio_chunk(avifile1, data)) < 0) { AVI_print_error("AVI audio read frame"); return(-1); } } while (AVI_can_read_audio(avifile1)); } } preload=1; } // copy rest of the track if(n<frames-shift) { if (tc_format_ms_supported(format)) { while (aud_ms[track_num] < vid_ms + shift_ms) { aud_chunks++; aud_bitrate = (format==0x1||format==0x2000)?1:0; if( (bytes = AVI_read_audio_chunk(avifile1, data)) < 0) { aud_ms[track_num] = vid_ms + shift_ms; AVI_print_error("AVI 3 audio read frame"); break; } if(AVI_write_audio(avifile2, data, bytes) < 0) { AVI_print_error("AVI 3 write audio frame"); return(-1); } fprintf(status_fd, "V [%05d][%08.2f] | A [%05d][%08.2f] [%05ld]\r", n, vid_ms, aud_chunks, aud_ms[track_num], bytes); if (bytes == 0) { aud_ms[track_num] = vid_ms + shift_ms; continue; } if(n>=frames-2*shift) { // save audio frame for later ptr = buffer_register(n); if(ptr==NULL) { fprintf(stderr,"buffer allocation failed\n"); break; } ac_memcpy(ptr->data, data, bytes); ptr->size = bytes; ptr->status = BUFFER_READY; } if ( !aud_bitrate && tc_get_audio_header(data, bytes, format, NULL, NULL, &aud_bitrate)<0) { if (n == frames-1) continue; aud_ms[track_num] = vid_ms + shift_ms; } else aud_ms[track_num] += (bytes*8.0)/(format==0x1?((double)(rate*chan*bits)/1000.0): (format==0x2000?(double)(mp3rate):aud_bitrate)); } } else { // fallback bytes = AVI_audio_size(avifile1, n+shift-1); do { if( (bytes = AVI_read_audio_chunk(avifile1, data)) < 0) { AVI_print_error("AVI audio read frame"); return(-1); } if(AVI_write_audio(avifile2, data, bytes) < 0) { AVI_print_error("AVI write audio frame"); return(-1); } fprintf(status_fd, "V [%05d] | A [%05d] [%05ld]\r", n, n+shift, bytes); if(n>=frames-2*shift) { // save audio frame for later ptr = buffer_register(n); if(ptr==NULL) { fprintf(stderr,"buffer allocation failed\n"); break; } ac_memcpy(ptr->data, data, bytes); ptr->size = bytes; ptr->status = BUFFER_READY; } } while (AVI_can_read_audio(avifile1)); } } // padding at the end if(n>=frames-shift) { if (!ptrlen) { ptr = buffer_retrieve(); ac_memcpy (ptrdata, ptr->data, ptr->size); ptrlen = ptr->size; } if (tc_format_ms_supported(format)) { while (aud_ms[track_num] < vid_ms + shift_ms) { aud_bitrate = (format==0x1||format==0x2000)?1:0; // mute this -- check if can mute (valid A header)! if (tc_probe_audio_header(ptrdata, ptrlen) > 0) tc_format_mute(ptrdata, ptrlen, format); if(AVI_write_audio(avifile2, ptrdata, ptrlen) < 0) { AVI_print_error("AVI write audio frame"); return(-1); } fprintf(status_fd, " V [%05d][%08.2f] | A [%05d][%08.2f] [%05ld]\r", n, vid_ms, n+shift, aud_ms[track_num], bytes); if ( !aud_bitrate && tc_get_audio_header(ptrdata, ptrlen, format, NULL, NULL, &aud_bitrate)<0) { //if (n == frames-1) continue; aud_ms[track_num] = vid_ms + shift_ms; } else aud_ms[track_num] += (ptrlen*8.0)/(format==0x1?((double)(rate*chan*bits)/1000.0): (format==0x2000?(double)(mp3rate):aud_bitrate)); } } else { // fallback // get next audio frame ptr = buffer_retrieve(); while (1) { printf("ptr->id (%d) ptr->size (%d)\n", ptr->id, ptr->size); if(ptr==NULL) { fprintf(stderr,"no buffer found\n"); break; } if (encode_null) { if(AVI_write_audio(avifile2, nulls, nullbytes)<0) { AVI_print_error("AVI write audio frame"); return(-1); } } else { // simple keep old frames to force exact time delay if(AVI_write_audio(avifile2, ptr->data, ptr->size)<0) { AVI_print_error("AVI write audio frame"); return(-1); } } fprintf(status_fd, "V [%05d] | padding\r", n); if (ptr->next && ptr->next->id == ptr->id) { buffer_remove(ptr); ptr = buffer_retrieve(); continue; } buffer_remove(ptr); break; } // 1 } } // ************************************* // negative shift (pad audio at start) // ************************************* } else { if (tc_format_ms_supported(format)) { /* fprintf(status_fd, "n(%d) -shift(%d) shift_ms (%.2lf) vid_ms(%.2lf) aud_ms[%d](%.2lf) v-s(%.2lf)\n", n, -shift, shift_ms, vid_ms, track_num, aud_ms[track_num], vid_ms + shift_ms); */ // shift<0 -> shift_ms<0 ! while (aud_ms[track_num] < vid_ms) { /* fprintf(stderr, " 1 (%02d) %s frame_read len=%4ld (A/V) (%8.2f/%8.2f)\n", n, format==0x55?"MP3":"AC3", bytes, aud_ms[track_num], vid_ms); */ aud_bitrate = (format==0x1||format==0x2000)?1:0; if( (bytes = AVI_read_audio_chunk(avifile1, data)) < 0) { AVI_print_error("AVI 2 audio read frame"); aud_ms[track_num] = vid_ms; break; //return(-1); } // save audio frame for later ptr = buffer_register(n); if(ptr==NULL) { fprintf(stderr,"buffer allocation failed\n"); break; } ac_memcpy(ptr->data, data, bytes); ptr->size = bytes; ptr->status = BUFFER_READY; if(n<-shift) { // mute this -- check if can mute! if (tc_probe_audio_header(data, bytes) > 0) tc_format_mute(data, bytes, format); // simple keep old frames to force exact time delay if(AVI_write_audio(avifile2, data, bytes)<0) { AVI_print_error("AVI write audio frame"); return(-1); } fprintf(status_fd, "V [%05d] | padding\r", n); } else { if (n==-shift) fprintf(status_fd, "\n"); // get next audio frame ptr = buffer_retrieve(); if(ptr==NULL) { fprintf(stderr,"no buffer found\n"); break; } if(AVI_write_audio(avifile2, ptr->data, ptr->size)<0) { AVI_print_error("AVI write audio frame"); return(-1); } bytes = ptr->size; ac_memcpy (data, ptr->data, bytes); fprintf(status_fd, "V [%05d] | A [%05d]\r", n, ptr->id); buffer_remove(ptr); } if ( !aud_bitrate && tc_get_audio_header(data, bytes, format, NULL, NULL, &aud_bitrate)<0) { if (n == frames-1) continue; aud_ms[track_num] = vid_ms; } else aud_ms[track_num] += (bytes*8.0)/(format==0x1?((double)(rate*chan*bits)/1000.0): (format==0x2000?(double)(mp3rate):aud_bitrate)); /* fprintf(stderr, " 1 (%02d) %s frame_read len=%4ld (A/V) (%8.2f/%8.2f)\n", n, format==0x55?"MP3":"AC3", bytes, aud_ms[track_num], vid_ms); */ } } else { // no supported format bytes = AVI_audio_size(avifile1, n); if(bytes > SIZE_RGB_FRAME) { fprintf(stderr, "invalid frame size\n"); return(-1); } if(AVI_read_audio(avifile1, data, bytes) < 0) { AVI_print_error("AVI audio read frame"); return(-1); } // save audio frame for later ptr = buffer_register(n); if(ptr==NULL) { fprintf(stderr,"buffer allocation failed\n"); break; } ac_memcpy(ptr->data, data, bytes); ptr->size = bytes; ptr->status = BUFFER_READY; if(n<-shift) { if (encode_null) { if(AVI_write_audio(avifile2, nulls, nullbytes)<0) { AVI_print_error("AVI write audio frame"); return(-1); } } else { // simple keep old frames to force exact time delay if(AVI_write_audio(avifile2, data, bytes)<0) { AVI_print_error("AVI write audio frame"); return(-1); } } fprintf(status_fd, "V [%05d] | padding\r", n); } else { // get next audio frame ptr = buffer_retrieve(); if(ptr==NULL) { fprintf(stderr,"no buffer found\n"); break; } if(AVI_write_audio(avifile2, ptr->data, ptr->size)<0) { AVI_print_error("AVI write audio frame"); return(-1); } fprintf(status_fd, "V [%05d] | A [%05d]\r", n, ptr->id); buffer_remove(ptr); } } } } fprintf(status_fd, "\n"); if (be_quiet) { fclose(status_fd); } AVI_close(avifile1); AVI_close(avifile2); if (avifile3) { memset(nulls, 0, sizeof(nulls)); tc_snprintf(nulls, sizeof(nulls), "rm -f %s", tmp0); system(nulls); AVI_close(avifile3); } return(0); }
int main(int argc, char **argv) { struct client_ctx cctx; struct msg_command_data cmddata; struct buffer *b; struct cmd_list *cmdlist; struct cmd *cmd; struct pollfd pfd; struct hdr hdr; const char *shell; struct passwd *pw; char *path, *label, *cause, *home, *pass = NULL; char cwd[MAXPATHLEN]; int retcode, opt, flags, unlock, start_server; unlock = flags = 0; label = path = NULL; while ((opt = getopt(argc, argv, "28df:L:qS:uUVv")) != -1) { switch (opt) { case '2': flags |= IDENTIFY_256COLOURS; flags &= ~IDENTIFY_88COLOURS; break; case '8': flags |= IDENTIFY_88COLOURS; flags &= ~IDENTIFY_256COLOURS; break; case 'f': cfg_file = xstrdup(optarg); break; case 'L': if (path != NULL) { log_warnx("-L and -S cannot be used together"); exit(1); } if (label != NULL) xfree(label); label = xstrdup(optarg); break; case 'S': if (label != NULL) { log_warnx("-L and -S cannot be used together"); exit(1); } if (path != NULL) xfree(path); path = xstrdup(optarg); break; case 'q': be_quiet = 1; break; case 'u': flags |= IDENTIFY_UTF8; break; case 'U': unlock = 1; break; case 'd': flags |= IDENTIFY_HASDEFAULTS; break; case 'v': debug_level++; break; case 'V': printf("%s " BUILD "\n", __progname); exit(0); default: usage(); } } argc -= optind; argv += optind; log_open_tty(debug_level); siginit(); options_init(&global_options, NULL); options_set_number(&global_options, "bell-action", BELL_ANY); options_set_number(&global_options, "buffer-limit", 9); options_set_number(&global_options, "display-time", 750); options_set_number(&global_options, "history-limit", 2000); options_set_number(&global_options, "message-bg", 3); options_set_number(&global_options, "message-fg", 0); options_set_number(&global_options, "message-attr", GRID_ATTR_REVERSE); options_set_number(&global_options, "prefix", META); options_set_number(&global_options, "repeat-time", 500); options_set_number(&global_options, "set-titles", 1); options_set_number(&global_options, "lock-after-time", 0); options_set_number(&global_options, "set-remain-on-exit", 0); options_set_number(&global_options, "status", 1); options_set_number(&global_options, "status-bg", 2); options_set_number(&global_options, "status-fg", 0); options_set_number(&global_options, "status-attr", GRID_ATTR_REVERSE); options_set_number(&global_options, "status-interval", 15); options_set_number(&global_options, "status-left-length", 10); options_set_number(&global_options, "status-right-length", 40); options_set_string(&global_options, "status-left", "[#S]"); options_set_string( &global_options, "status-right", "\"#24T\" %%H:%%M %%d-%%b-%%y"); options_set_number(&global_options, "status-keys", MODEKEY_EMACS); options_init(&global_window_options, NULL); options_set_number(&global_window_options, "aggressive-resize", 0); options_set_number(&global_window_options, "clock-mode-colour", 4); options_set_number(&global_window_options, "clock-mode-style", 1); options_set_number(&global_window_options, "force-height", 0); options_set_number(&global_window_options, "force-width", 0); options_set_number(&global_window_options, "automatic-rename", 1); options_set_number(&global_window_options, "mode-bg", 3); options_set_number(&global_window_options, "mode-fg", 0); options_set_number( &global_window_options, "mode-attr", GRID_ATTR_REVERSE); options_set_number(&global_window_options, "mode-keys", MODEKEY_EMACS); options_set_number(&global_window_options, "monitor-activity", 0); options_set_number(&global_window_options, "utf8", 0); options_set_number(&global_window_options, "xterm-keys", 0); options_set_number(&global_window_options, "remain-on-exit", 0); options_set_number(&global_window_options, "window-status-bg", 8); options_set_number(&global_window_options, "window-status-fg", 8); options_set_number(&global_window_options, "window-status-attr", 0); if (cfg_file == NULL) { home = getenv("HOME"); if (home == NULL || *home == '\0') { pw = getpwuid(getuid()); if (pw != NULL) home = pw->pw_dir; endpwent(); } xasprintf(&cfg_file, "%s/%s", home, DEFAULT_CFG); if (access(cfg_file, R_OK) != 0) { xfree(cfg_file); cfg_file = NULL; } } else { if (access(cfg_file, R_OK) != 0) { log_warn("%s", cfg_file); exit(1); } } if (label == NULL) label = xstrdup("default"); if (path == NULL && (path = makesockpath(label)) == NULL) { log_warn("can't create socket"); exit(1); } xfree(label); shell = getenv("SHELL"); if (shell == NULL || *shell == '\0') { pw = getpwuid(getuid()); if (pw != NULL) shell = pw->pw_shell; endpwent(); if (shell == NULL || *shell == '\0') shell = _PATH_BSHELL; } options_set_string( &global_options, "default-command", "exec %s", shell); if (getcwd(cwd, sizeof cwd) == NULL) { log_warn("getcwd"); exit(1); } options_set_string(&global_options, "default-path", "%s", cwd); if (unlock) { if (argc != 0) { log_warnx("can't specify a command when unlocking"); exit(1); } cmdlist = NULL; if ((pass = getpass("Password: "******"%s", cause); exit(1); } } start_server = 0; TAILQ_FOREACH(cmd, cmdlist, qentry) { if (cmd->entry->flags & CMD_STARTSERVER) { start_server = 1; break; } } } memset(&cctx, 0, sizeof cctx); if (client_init(path, &cctx, start_server, flags) != 0) exit(1); xfree(path); b = buffer_create(BUFSIZ); if (unlock) { cmd_send_string(b, pass); client_write_server( &cctx, MSG_UNLOCK, BUFFER_OUT(b), BUFFER_USED(b)); } else { cmd_list_send(cmdlist, b); cmd_list_free(cmdlist); client_fill_session(&cmddata); client_write_server2(&cctx, MSG_COMMAND, &cmddata, sizeof cmddata, BUFFER_OUT(b), BUFFER_USED(b)); } buffer_destroy(b); retcode = 0; for (;;) { pfd.fd = cctx.srv_fd; pfd.events = POLLIN; if (BUFFER_USED(cctx.srv_out) > 0) pfd.events |= POLLOUT; if (poll(&pfd, 1, INFTIM) == -1) { if (errno == EAGAIN || errno == EINTR) continue; fatal("poll failed"); } if (buffer_poll(&pfd, cctx.srv_in, cctx.srv_out) != 0) goto out; restart: if (BUFFER_USED(cctx.srv_in) < sizeof hdr) continue; memcpy(&hdr, BUFFER_OUT(cctx.srv_in), sizeof hdr); if (BUFFER_USED(cctx.srv_in) < (sizeof hdr) + hdr.size) continue; buffer_remove(cctx.srv_in, sizeof hdr); switch (hdr.type) { case MSG_EXIT: case MSG_SHUTDOWN: goto out; case MSG_ERROR: retcode = 1; /* FALLTHROUGH */ case MSG_PRINT: if (hdr.size > INT_MAX - 1) fatalx("bad MSG_PRINT size"); log_info("%.*s", (int) hdr.size, BUFFER_OUT(cctx.srv_in)); if (hdr.size != 0) buffer_remove(cctx.srv_in, hdr.size); goto restart; case MSG_READY: retcode = client_main(&cctx); goto out; default: fatalx("unexpected command"); } } out: options_free(&global_options); options_free(&global_window_options); close(cctx.srv_fd); buffer_destroy(cctx.srv_in); buffer_destroy(cctx.srv_out); #ifdef DEBUG xmalloc_report(getpid(), "client"); #endif return (retcode); }
/* * Return a line from the read buffer. EOL is stripped and the string returned * is zero-terminated. */ char * io_readline2(struct io *io, char **buf, size_t *len) { char *ptr, *base; size_t size, maxlen, eollen; if (io->error != NULL) return (NULL); maxlen = BUFFER_USED(io->rd); if (maxlen > IO_MAXLINELEN) maxlen = IO_MAXLINELEN; eollen = strlen(io->eol); if (BUFFER_USED(io->rd) < eollen) return (NULL); IO_DEBUG(io, "in: rd: used=%zu, free=%zu", BUFFER_USED(io->rd), BUFFER_FREE(io->rd)); base = ptr = BUFFER_OUT(io->rd); for (;;) { /* Find the first character in the EOL string. */ ptr = memchr(ptr, *io->eol, maxlen - (ptr - base)); if (ptr != NULL) { /* Found. Is there enough space for the rest? */ if (ptr - base + eollen > maxlen) { /* * No, this isn't it. Set ptr to NULL to handle * as not found. */ ptr = NULL; } else if (strncmp(ptr, io->eol, eollen) == 0) { /* This is an EOL. */ size = ptr - base; break; } } if (ptr == NULL) { IO_DEBUG(io, "not found (%zu, %d)", maxlen, IO_CLOSED(io)); /* * Not found within the length searched. If that was * the maximum length, this is an error. */ if (maxlen == IO_MAXLINELEN) { if (io->error != NULL) xfree(io->error); io->error = xstrdup("io: maximum line length exceeded"); return (NULL); } /* * If the socket has closed, just return all the data * (the buffer is known to be at least eollen long). */ if (!IO_CLOSED(io)) return (NULL); size = BUFFER_USED(io->rd); ENSURE_FOR(*buf, *len, size, 1); buffer_read(io->rd, *buf, size); (*buf)[size] = '\0'; return (*buf); } /* Start again from the next character. */ ptr++; } /* Copy the line and remove it from the buffer. */ ENSURE_FOR(*buf, *len, size, 1); if (size != 0) buffer_read(io->rd, *buf, size); (*buf)[size] = '\0'; /* Discard the EOL from the buffer. */ buffer_remove(io->rd, eollen); IO_DEBUG(io, "out: %zu bytes, rd: used=%zu, free=%zu", size, BUFFER_USED(io->rd), BUFFER_FREE(io->rd)); return (*buf); }
/* Empty write buffer. */ int io_push(struct io *io) { ssize_t n; int error; /* If nothing to write, return. */ if (BUFFER_USED(io->wr) == 0) return (1); /* Write as much as possible. */ if (io->ssl == NULL) { n = write(io->fd, BUFFER_OUT(io->wr), BUFFER_USED(io->wr)); IO_DEBUG(io, "write returned %zd (errno=%d)", n, errno); if (n == 0 || (n == -1 && errno == EPIPE)) return (0); if (n == -1 && errno != EINTR && errno != EAGAIN) { if (io->error != NULL) xfree(io->error); xasprintf(&io->error, "io: write: %s", strerror(errno)); return (-1); } } else { n = SSL_write(io->ssl, BUFFER_OUT(io->wr), BUFFER_USED(io->wr)); IO_DEBUG(io, "SSL_write returned %zd", n); if (n == 0) return (0); if (n < 0) { switch (error = SSL_get_error(io->ssl, n)) { case SSL_ERROR_WANT_READ: io->flags |= IOF_NEEDPUSH; break; case SSL_ERROR_WANT_WRITE: /* * A repeat is certain (buffer still has data) * so this can be ignored */ break; case SSL_ERROR_SYSCALL: if (errno == EAGAIN || errno == EINTR) break; /* FALLTHROUGH */ default: if (io->error != NULL) xfree(io->error); io->error = sslerror2(error, "SSL_write"); return (-1); } } } /* Test for > 0 since SSL_write can return any -ve on error. */ if (n > 0) { IO_DEBUG(io, "wrote %zd bytes", n); /* Copy out the duplicate fd. */ if (io->dup_fd != -1) { write(io->dup_fd, "> ", 2); write(io->dup_fd, BUFFER_OUT(io->wr), n); } /* Adjust the buffer size. */ buffer_remove(io->wr, n); /* Reset the need flags. */ io->flags &= ~IOF_NEEDPUSH; } return (1); }