Commit 78cb2e65 authored by Tom Finegan's avatar Tom Finegan

vpxenc: clean up; move stats code out of vpxenc.c

Change-Id: I6b245ef5017c49373ba33e30f8fbf3d1b97409b5
parent 5f865761
......@@ -41,6 +41,7 @@ vpxenc.SRCS += webmenc.c webmenc.h
vpxenc.SRCS += vpx_ports/mem_ops.h
vpxenc.SRCS += vpx_ports/mem_ops_aligned.h
vpxenc.SRCS += vpx_ports/vpx_timer.h
vpxenc.SRCS += vpxstats.c vpxstats.h
vpxenc.SRCS += third_party/libmkv/EbmlIDs.h
vpxenc.SRCS += third_party/libmkv/EbmlWriter.c
vpxenc.SRCS += third_party/libmkv/EbmlWriter.h
......
......@@ -8,7 +8,7 @@
* be found in the AUTHORS file in the root of the source tree.
*/
#include "vpx_config.h"
#include "./vpx_config.h"
#if defined(_WIN32) || defined(__OS2__) || !CONFIG_OS_SUPPORT
#define USE_POSIX_MMAP 0
......@@ -16,6 +16,7 @@
#define USE_POSIX_MMAP 1
#endif
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
......@@ -43,11 +44,12 @@
#include "vpx/vp8dx.h"
#endif
#include "./tools_common.h"
#include "vpx_ports/mem_ops.h"
#include "vpx_ports/vpx_timer.h"
#include "tools_common.h"
#include "webmenc.h"
#include "y4minput.h"
#include "./vpxstats.h"
#include "./webmenc.h"
#include "./y4minput.h"
/* Swallow warnings about unused results of fread/fwrite */
static size_t wrap_fread(void *ptr, size_t size, size_t nmemb,
......@@ -116,126 +118,6 @@ static void warn_or_exit_on_error(vpx_codec_ctx_t *ctx, int fatal,
va_end(ap);
}
/* This structure is used to abstract the different ways of handling
* first pass statistics.
*/
typedef struct {
vpx_fixed_buf_t buf;
int pass;
FILE *file;
char *buf_ptr;
size_t buf_alloc_sz;
} stats_io_t;
int stats_open_file(stats_io_t *stats, const char *fpf, int pass) {
int res;
stats->pass = pass;
if (pass == 0) {
stats->file = fopen(fpf, "wb");
stats->buf.sz = 0;
stats->buf.buf = NULL,
res = (stats->file != NULL);
} else {
#if 0
#elif USE_POSIX_MMAP
struct stat stat_buf;
int fd;
fd = open(fpf, O_RDONLY);
stats->file = fdopen(fd, "rb");
fstat(fd, &stat_buf);
stats->buf.sz = stat_buf.st_size;
stats->buf.buf = mmap(NULL, stats->buf.sz, PROT_READ, MAP_PRIVATE,
fd, 0);
res = (stats->buf.buf != NULL);
#else
size_t nbytes;
stats->file = fopen(fpf, "rb");
if (fseek(stats->file, 0, SEEK_END))
fatal("First-pass stats file must be seekable!");
stats->buf.sz = stats->buf_alloc_sz = ftell(stats->file);
rewind(stats->file);
stats->buf.buf = malloc(stats->buf_alloc_sz);
if (!stats->buf.buf)
fatal("Failed to allocate first-pass stats buffer (%lu bytes)",
(unsigned long)stats->buf_alloc_sz);
nbytes = fread(stats->buf.buf, 1, stats->buf.sz, stats->file);
res = (nbytes == stats->buf.sz);
#endif
}
return res;
}
int stats_open_mem(stats_io_t *stats, int pass) {
int res;
stats->pass = pass;
if (!pass) {
stats->buf.sz = 0;
stats->buf_alloc_sz = 64 * 1024;
stats->buf.buf = malloc(stats->buf_alloc_sz);
}
stats->buf_ptr = stats->buf.buf;
res = (stats->buf.buf != NULL);
return res;
}
void stats_close(stats_io_t *stats, int last_pass) {
if (stats->file) {
if (stats->pass == last_pass) {
#if 0
#elif USE_POSIX_MMAP
munmap(stats->buf.buf, stats->buf.sz);
#else
free(stats->buf.buf);
#endif
}
fclose(stats->file);
stats->file = NULL;
} else {
if (stats->pass == last_pass)
free(stats->buf.buf);
}
}
void stats_write(stats_io_t *stats, const void *pkt, size_t len) {
if (stats->file) {
(void) fwrite(pkt, 1, len, stats->file);
} else {
if (stats->buf.sz + len > stats->buf_alloc_sz) {
size_t new_sz = stats->buf_alloc_sz + 64 * 1024;
char *new_ptr = realloc(stats->buf.buf, new_sz);
if (new_ptr) {
stats->buf_ptr = new_ptr + (stats->buf_ptr - (char *)stats->buf.buf);
stats->buf.buf = new_ptr;
stats->buf_alloc_sz = new_sz;
} else
fatal("Failed to realloc firstpass stats buffer.");
}
memcpy(stats->buf_ptr, pkt, len);
stats->buf.sz += len;
stats->buf_ptr += len;
}
}
vpx_fixed_buf_t stats_get(stats_io_t *stats) {
return stats->buf;
}
enum video_file_type {
FILE_TYPE_RAW,
FILE_TYPE_IVF,
......@@ -263,7 +145,6 @@ struct input_state {
int only_i420;
};
#define IVF_FRAME_HDR_SZ (4+8) /* 4 byte size + 8 byte timestamp */
static int read_frame(struct input_state *input, vpx_image_t *img) {
FILE *f = input->file;
......@@ -478,22 +359,6 @@ static unsigned int murmur(const void *key, int len, unsigned int seed) {
return h;
}
#include "math.h"
#define MAX_PSNR 100
static double vp8_mse2psnr(double Samples, double Peak, double Mse) {
double psnr;
if ((double)Mse > 0.0)
psnr = 10.0 * log10(Peak * Peak * Samples / Mse);
else
psnr = MAX_PSNR; /* Limit to prevent / 0 */
if (psnr > MAX_PSNR)
psnr = MAX_PSNR;
return psnr;
}
#include "args.h"
static const arg_def_t debugmode = ARG_DEF("D", "debug", 0,
......
/*
* Copyright (c) 2013 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "./vpxstats.h"
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "./tools_common.h"
int stats_open_file(stats_io_t *stats, const char *fpf, int pass) {
int res;
stats->pass = pass;
if (pass == 0) {
stats->file = fopen(fpf, "wb");
stats->buf.sz = 0;
stats->buf.buf = NULL;
res = (stats->file != NULL);
} else {
#if USE_POSIX_MMAP
struct stat stat_buf;
int fd;
fd = open(fpf, O_RDONLY);
stats->file = fdopen(fd, "rb");
fstat(fd, &stat_buf);
stats->buf.sz = stat_buf.st_size;
stats->buf.buf = mmap(NULL, stats->buf.sz, PROT_READ, MAP_PRIVATE, fd, 0);
res = (stats->buf.buf != NULL);
#else
size_t nbytes;
stats->file = fopen(fpf, "rb");
if (fseek(stats->file, 0, SEEK_END))
fatal("First-pass stats file must be seekable!");
stats->buf.sz = stats->buf_alloc_sz = ftell(stats->file);
rewind(stats->file);
stats->buf.buf = malloc(stats->buf_alloc_sz);
if (!stats->buf.buf)
fatal("Failed to allocate first-pass stats buffer (%lu bytes)",
(unsigned int)stats->buf_alloc_sz);
nbytes = fread(stats->buf.buf, 1, stats->buf.sz, stats->file);
res = (nbytes == stats->buf.sz);
#endif /* USE_POSIX_MMAP */
}
return res;
}
int stats_open_mem(stats_io_t *stats, int pass) {
int res;
stats->pass = pass;
if (!pass) {
stats->buf.sz = 0;
stats->buf_alloc_sz = 64 * 1024;
stats->buf.buf = malloc(stats->buf_alloc_sz);
}
stats->buf_ptr = stats->buf.buf;
res = (stats->buf.buf != NULL);
return res;
}
void stats_close(stats_io_t *stats, int last_pass) {
if (stats->file) {
if (stats->pass == last_pass) {
#if USE_POSIX_MMAP
munmap(stats->buf.buf, stats->buf.sz);
#else
free(stats->buf.buf);
#endif /* USE_POSIX_MMAP */
}
fclose(stats->file);
stats->file = NULL;
} else {
if (stats->pass == last_pass)
free(stats->buf.buf);
}
}
void stats_write(stats_io_t *stats, const void *pkt, size_t len) {
if (stats->file) {
(void) fwrite(pkt, 1, len, stats->file);
} else {
if (stats->buf.sz + len > stats->buf_alloc_sz) {
size_t new_sz = stats->buf_alloc_sz + 64 * 1024;
char *new_ptr = realloc(stats->buf.buf, new_sz);
if (new_ptr) {
stats->buf_ptr = new_ptr + (stats->buf_ptr - (char *)stats->buf.buf);
stats->buf.buf = new_ptr;
stats->buf_alloc_sz = new_sz;
} else {
fatal("Failed to realloc firstpass stats buffer.");
}
}
memcpy(stats->buf_ptr, pkt, len);
stats->buf.sz += len;
stats->buf_ptr += len;
}
}
vpx_fixed_buf_t stats_get(stats_io_t *stats) {
return stats->buf;
}
double vp8_mse2psnr(double samples, double peak, double mse) {
const int kMaxPSNR = 100;
double psnr = kMaxPSNR;
if (mse > 0.0)
psnr = 10.0 * log10(peak * peak * samples / mse);
if (psnr > kMaxPSNR)
psnr = kMaxPSNR;
return psnr;
}
/*
* Copyright (c) 2013 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VPXSTATS_H_
#define VPXSTATS_H_
#include <stdio.h>
#include "vpx/vpx_encoder.h"
/* This structure is used to abstract the different ways of handling
* first pass statistics
*/
typedef struct {
vpx_fixed_buf_t buf;
int pass;
FILE *file;
char *buf_ptr;
size_t buf_alloc_sz;
} stats_io_t;
int stats_open_file(stats_io_t *stats, const char *fpf, int pass);
int stats_open_mem(stats_io_t *stats, int pass);
void stats_close(stats_io_t *stats, int last_pass);
void stats_write(stats_io_t *stats, const void *pkt, size_t len);
vpx_fixed_buf_t stats_get(stats_io_t *stats);
double vp8_mse2psnr(double samples, double peak, double mse);
#endif // VPXSTATS_H_
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