19 int stats_open_file(stats_io_t *stats, const char *fpf, int pass) {  in stats_open_file()  argument
21   stats->pass = pass;  in stats_open_file()
24     stats->file = fopen(fpf, "wb");  in stats_open_file()
25     stats->buf.sz = 0;  in stats_open_file()
26     stats->buf.buf = NULL;  in stats_open_file()
27     res = (stats->file != NULL);  in stats_open_file()
31     stats->file = fopen(fpf, "rb");  in stats_open_file()
33     if (stats->file == NULL) fatal("First-pass stats file does not exist!");  in stats_open_file()
35     if (fseek(stats->file, 0, SEEK_END))  in stats_open_file()
36       fatal("First-pass stats file must be seekable!");  in stats_open_file()
38     stats->buf.sz = stats->buf_alloc_sz = ftell(stats->file);  in stats_open_file()
39     rewind(stats->file);  in stats_open_file()
41     stats->buf.buf = malloc(stats->buf_alloc_sz);  in stats_open_file()
43     if (!stats->buf.buf)  in stats_open_file()
44       fatal("Failed to allocate first-pass stats buffer (%lu bytes)",  in stats_open_file()
45             (unsigned int)stats->buf_alloc_sz);  in stats_open_file()
47     nbytes = fread(stats->buf.buf, 1, stats->buf.sz, stats->file);  in stats_open_file()
48     res = (nbytes == stats->buf.sz);  in stats_open_file()
54 int stats_open_mem(stats_io_t *stats, int pass) {  in stats_open_mem()  argument
56   stats->pass = pass;  in stats_open_mem()
59     stats->buf.sz = 0;  in stats_open_mem()
60     stats->buf_alloc_sz = 64 * 1024;  in stats_open_mem()
61     stats->buf.buf = malloc(stats->buf_alloc_sz);  in stats_open_mem()
64   stats->buf_ptr = stats->buf.buf;  in stats_open_mem()
65   res = (stats->buf.buf != NULL);  in stats_open_mem()
69 void stats_close(stats_io_t *stats, int last_pass) {  in stats_close()  argument
70   if (stats->file) {  in stats_close()
71     if (stats->pass == last_pass) {  in stats_close()
72       free(stats->buf.buf);  in stats_close()
75     fclose(stats->file);  in stats_close()
76     stats->file = NULL;  in stats_close()
78     if (stats->pass == last_pass) free(stats->buf.buf);  in stats_close()
82 void stats_write(stats_io_t *stats, const void *pkt, size_t len) {  in stats_write()  argument
83   if (stats->file) {  in stats_write()
84     (void)fwrite(pkt, 1, len, stats->file);  in stats_write()
86     if (stats->buf.sz + len > stats->buf_alloc_sz) {  in stats_write()
87       size_t new_sz = stats->buf_alloc_sz + 64 * 1024;  in stats_write()
88       char *new_ptr = realloc(stats->buf.buf, new_sz);  in stats_write()
91         stats->buf_ptr = new_ptr + (stats->buf_ptr - (char *)stats->buf.buf);  in stats_write()
92         stats->buf.buf = new_ptr;  in stats_write()
93         stats->buf_alloc_sz = new_sz;  in stats_write()
95         fatal("Failed to realloc firstpass stats buffer.");  in stats_write()
99     memcpy(stats->buf_ptr, pkt, len);  in stats_write()
100     stats->buf.sz += len;  in stats_write()
101     stats->buf_ptr += len;  in stats_write()
105 vpx_fixed_buf_t stats_get(stats_io_t *stats) { return stats->buf; }  in stats_get()  argument