#include <string.h>

#include <stdlib.h>

#include <errno.h>

#include <math.h>

#include "config.h"

#include "compat/va_copy.h"

#include "libavformat/avformat.h"

#include "libavfilter/avfilter.h"

#include "libavdevice/avdevice.h"

#include "libavresample/avresample.h"

#include "libswscale/swscale.h"

#include "libswresample/swresample.h"

#include "libpostproc/postprocess.h"

#include "libavutil/avassert.h"

#include "libavutil/avstring.h"

#include "libavutil/bprint.h"

#include "libavutil/mathematics.h"

#include "libavutil/imgutils.h"

#include "libavutil/parseutils.h"

#include "libavutil/pixdesc.h"

#include "libavutil/eval.h"

#include "libavutil/dict.h"

#include "libavutil/opt.h"

#include "cmdutils.h"

#include "version.h"

#if CONFIG_NETWORK

#include "libavformat/network.h"

#if HAVE_SYS_RESOURCE_H

#include <sys/time.h>

#include <sys/resource.h>

static int init_report(const char *env);

struct SwsContext *sws_opts;

AVDictionary *swr_opts;

AVDictionary *format_opts, *codec_opts, *resample_opts;

const int this_year = 2013;

static FILE *report_file;

void init_opts(void)

{

if(CONFIG_SWSCALE)

sws_opts = sws_getContext(16, 16, 0, 16, 16, 0, SWS_BICUBIC,

NULL, NULL, NULL);

}

void uninit_opts(void)

{

#if CONFIG_SWSCALE

sws_freeContext(sws_opts);

sws_opts = NULL;

av_dict_free(&swr_opts);

av_dict_free(&format_opts);

av_dict_free(&codec_opts);

av_dict_free(&resample_opts);

}

void log_callback_help(void *ptr, int level, const char *fmt, va_list vl)

{

vfprintf(stdout, fmt, vl);

}

static void log_callback_report(void *ptr, int level, const char *fmt, va_list vl)

{

va_list vl2;

char line[1024];

static int print_prefix = 1;

va_copy(vl2, vl);

av_log_default_callback(ptr, level, fmt, vl);

av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);

va_end(vl2);

fputs(line, report_file);

fflush(report_file);

}

double parse_number_or_die(const char *context, const char *numstr, int type,

double min, double max)

{

char *tail;

const char *error;

double d = av_strtod(numstr, &tail);

if (*tail)

error = "Expected number for %s but found: %s\n";

else if (d < min || d > max)

error = "The value for %s was %s which is not within %f - %f\n";

else if (type == OPT_INT64 && (int64_t)d != d)

error = "Expected int64 for %s but found %s\n";

else if (type == OPT_INT && (int)d != d)

error = "Expected int for %s but found %s\n";

else

return d;

av_log(NULL, AV_LOG_FATAL, error, context, numstr, min, max);

exit(1);

return 0;

}

int64_t parse_time_or_die(const char *context, const char *timestr,

int is_duration)

{

int64_t us;

if (av_parse_time(&us, timestr, is_duration) < 0) {

av_log(NULL, AV_LOG_FATAL, "Invalid %s specification for %s: %s\n",

is_duration ? "duration" : "date", context, timestr);

exit(1);

}

return us;

}

void show_help_options(const OptionDef *options, const char *msg, int req_flags,

int rej_flags, int alt_flags)

{

const OptionDef *po;

int first;

first = 1;

for (po = options; po->name != NULL; po++) {

char buf[64];

if (((po->flags & req_flags) != req_flags) ||

(alt_flags && !(po->flags & alt_flags)) ||

(po->flags & rej_flags))

continue;

if (first) {

printf("%s\n", msg);

first = 0;

}

av_strlcpy(buf, po->name, sizeof(buf));

if (po->argname) {

av_strlcat(buf, " ", sizeof(buf));

av_strlcat(buf, po->argname, sizeof(buf));

}

printf("-%-17s %s\n", buf, po->help);

}

printf("\n");

}

void show_help_children(const AVClass *class, int flags)

{

const AVClass *child = NULL;

if (class->option) {

av_opt_show2(&class, NULL, flags, 0);

printf("\n");

}

while (child = av_opt_child_class_next(class, child))

show_help_children(child, flags);

}

static const OptionDef *find_option(const OptionDef *po, const char *name)

{

const char *p = strchr(name, ':');

int len = p ? p - name : strlen(name);

while (po->name != NULL) {

if (!strncmp(name, po->name, len) && strlen(po->name) == len)

break;

po++;

}

return po;

}

#if HAVE_COMMANDLINETOARGVW

#include <windows.h>

#include <shellapi.h>

static char** win32_argv_utf8 = NULL;

static int win32_argc = 0;

static void prepare_app_arguments(int *argc_ptr, char ***argv_ptr)

{

char *argstr_flat;

wchar_t **argv_w;

int i, buffsize = 0, offset = 0;

if (win32_argv_utf8) {

*argc_ptr = win32_argc;

*argv_ptr = win32_argv_utf8;

return;

}

win32_argc = 0;

argv_w = CommandLineToArgvW(GetCommandLineW(), &win32_argc);

if (win32_argc <= 0 || !argv_w)

return;

/* determine the UTF-8 buffer size (including NULL-termination symbols) */

for (i = 0; i < win32_argc; i++)

buffsize += WideCharToMultiByte(CP_UTF8, 0, argv_w[i], -1,

NULL, 0, NULL, NULL);

win32_argv_utf8 = av_mallocz(sizeof(char *) * (win32_argc + 1) + buffsize);

argstr_flat = (char *)win32_argv_utf8 + sizeof(char *) * (win32_argc + 1);

if (win32_argv_utf8 == NULL) {

LocalFree(argv_w);

return;

}

for (i = 0; i < win32_argc; i++) {

win32_argv_utf8[i] = &argstr_flat[offset];

offset += WideCharToMultiByte(CP_UTF8, 0, argv_w[i], -1,

&argstr_flat[offset],

buffsize - offset, NULL, NULL);

}

win32_argv_utf8[i] = NULL;

LocalFree(argv_w);

*argc_ptr = win32_argc;

*argv_ptr = win32_argv_utf8;

}

static inline void prepare_app_arguments(int *argc_ptr, char ***argv_ptr)

{

/* nothing to do */

}

#endif /* HAVE_COMMANDLINETOARGVW */

static int write_option(void *optctx, const OptionDef *po, const char *opt,

const char *arg)

{

/* new-style options contain an offset into optctx, old-style address of

void *dst = po->flags & (OPT_OFFSET | OPT_SPEC) ?

(uint8_t *)optctx + po->u.off : po->u.dst_ptr;

int *dstcount;

if (po->flags & OPT_SPEC) {

SpecifierOpt **so = dst;

char *p = strchr(opt, ':');

dstcount = (int *)(so + 1);

*so = grow_array(*so, sizeof(**so), dstcount, *dstcount + 1);

(*so)[*dstcount - 1].specifier = av_strdup(p ? p + 1 : "");

dst = &(*so)[*dstcount - 1].u;

}

if (po->flags & OPT_STRING) {

char *str;

str = av_strdup(arg);

av_freep(dst);

*(char **)dst = str;

} else if (po->flags & OPT_BOOL || po->flags & OPT_INT) {

*(int *)dst = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);

} else if (po->flags & OPT_INT64) {

*(int64_t *)dst = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX);

} else if (po->flags & OPT_TIME) {

*(int64_t *)dst = parse_time_or_die(opt, arg, 1);

} else if (po->flags & OPT_FLOAT) {

*(float *)dst = parse_number_or_die(opt, arg, OPT_FLOAT, -INFINITY, INFINITY);

} else if (po->flags & OPT_DOUBLE) {

*(double *)dst = parse_number_or_die(opt, arg, OPT_DOUBLE, -INFINITY, INFINITY);

} else if (po->u.func_arg) {

int ret = po->u.func_arg(optctx, opt, arg);

if (ret < 0) {

av_log(NULL, AV_LOG_ERROR,

"Failed to set value '%s' for option '%s': %s\n",

arg, opt, av_err2str(ret));

return ret;

}

}

if (po->flags & OPT_EXIT)

exit(0);

return 0;

}

int parse_option(void *optctx, const char *opt, const char *arg,

const OptionDef *options)

{

const OptionDef *po;

int ret;

po = find_option(options, opt);

if (!po->name && opt[0] == 'n' && opt[1] == 'o') {

/* handle 'no' bool option */

po = find_option(options, opt + 2);

if ((po->name && (po->flags & OPT_BOOL)))

arg = "0";

} else if (po->flags & OPT_BOOL)

arg = "1";

if (!po->name)

po = find_option(options, "default");

if (!po->name) {

av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'\n", opt);

return AVERROR(EINVAL);

}

if (po->flags & HAS_ARG && !arg) {

av_log(NULL, AV_LOG_ERROR, "Missing argument for option '%s'\n", opt);

return AVERROR(EINVAL);

}

ret = write_option(optctx, po, opt, arg);

if (ret < 0)

return ret;

return !!(po->flags & HAS_ARG);

}

void parse_options(void *optctx, int argc, char **argv, const OptionDef *options,

void (*parse_arg_function)(void *, const char*))

{

const char *opt;

int optindex, handleoptions = 1, ret;

/* perform system-dependent conversions for arguments list */

prepare_app_arguments(&argc, &argv);

/* parse options */

optindex = 1;

while (optindex < argc) {

opt = argv[optindex++];

if (handleoptions && opt[0] == '-' && opt[1] != '\0') {

if (opt[1] == '-' && opt[2] == '\0') {

handleoptions = 0;

continue;

}

opt++;

if ((ret = parse_option(optctx, opt, argv[optindex], options)) < 0)

exit(1);

optindex += ret;

} else {

if (parse_arg_function)

parse_arg_function(optctx, opt);

}

}

}

int parse_optgroup(void *optctx, OptionGroup *g)

{

int i, ret;

av_log(NULL, AV_LOG_DEBUG, "Parsing a group of options: %s %s.\n",

g->group_def->name, g->arg);

for (i = 0; i < g->nb_opts; i++) {

Option *o = &g->opts[i];

if (g->group_def->flags &&

!(g->group_def->flags & o->opt->flags)) {

av_log(NULL, AV_LOG_ERROR, "Option %s (%s) cannot be applied to "

"%s %s -- you are trying to apply an input option to an "

"output file or vice versa. Move this option before the "

"file it belongs to.\n", o->key, o->opt->help,

g->group_def->name, g->arg);

return AVERROR(EINVAL);

}

av_log(NULL, AV_LOG_DEBUG, "Applying option %s (%s) with argument %s.\n",

o->key, o->opt->help, o->val);

ret = write_option(optctx, o->opt, o->key, o->val);

if (ret < 0)

return ret;

}

av_log(NULL, AV_LOG_DEBUG, "Successfully parsed a group of options.\n");

return 0;

}

int locate_option(int argc, char **argv, const OptionDef *options,

const char *optname)

{

const OptionDef *po;

int i;

for (i = 1; i < argc; i++) {

const char *cur_opt = argv[i];

if (*cur_opt++ != '-')

continue;

po = find_option(options, cur_opt);

if (!po->name && cur_opt[0] == 'n' && cur_opt[1] == 'o')

po = find_option(options, cur_opt + 2);

if ((!po->name && !strcmp(cur_opt, optname)) ||

(po->name && !strcmp(optname, po->name)))

return i;

if (po->flags & HAS_ARG)

i++;

}

return 0;

}

static void dump_argument(const char *a)

{

const unsigned char *p;

for (p = a; *p; p++)

if (!((*p >= '+' && *p <= ':') || (*p >= '@' && *p <= 'Z') ||

*p == '_' || (*p >= 'a' && *p <= 'z')))

break;

if (!*p) {

fputs(a, report_file);

return;

}

fputc('"', report_file);

for (p = a; *p; p++) {

if (*p == '\\' || *p == '"' || *p == '$' || *p == '`')

fprintf(report_file, "\\%c", *p);

else if (*p < ' ' || *p > '~')

fprintf(report_file, "\\x%02x", *p);

else

fputc(*p, report_file);

}

fputc('"', report_file);

}

void parse_loglevel(int argc, char **argv, const OptionDef *options)

{

int idx = locate_option(argc, argv, options, "loglevel");

const char *env;

if (!idx)

idx = locate_option(argc, argv, options, "v");

if (idx && argv[idx + 1])

opt_loglevel(NULL, "loglevel", argv[idx + 1]);

idx = locate_option(argc, argv, options, "report");

if ((env = getenv("FFREPORT")) || idx) {

init_report(env);

if (report_file) {

int i;

fprintf(report_file, "Command line:\n");

for (i = 0; i < argc; i++) {

dump_argument(argv[i]);

fputc(i < argc - 1 ? ' ' : '\n', report_file);

}

fflush(report_file);

}

}

}

#define FLAGS (o->type == AV_OPT_TYPE_FLAGS) ? AV_DICT_APPEND : 0

int opt_default(void *optctx, const char *opt, const char *arg)

{

const AVOption *o;

int consumed = 0;

char opt_stripped[128];

const char *p;

const AVClass *cc = avcodec_get_class(), *fc = avformat_get_class();

#if CONFIG_AVRESAMPLE

const AVClass *rc = avresample_get_class();

const AVClass *sc, *swr_class;

if (!strcmp(opt, "debug") || !strcmp(opt, "fdebug"))

av_log_set_level(AV_LOG_DEBUG);

if (!(p = strchr(opt, ':')))

p = opt + strlen(opt);

av_strlcpy(opt_stripped, opt, FFMIN(sizeof(opt_stripped), p - opt + 1));

if ((o = av_opt_find(&cc, opt_stripped, NULL, 0,

AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) ||

((opt[0] == 'v' || opt[0] == 'a' || opt[0] == 's') &&

(o = av_opt_find(&cc, opt + 1, NULL, 0, AV_OPT_SEARCH_FAKE_OBJ)))) {

av_dict_set(&codec_opts, opt, arg, FLAGS);

consumed = 1;

}

if ((o = av_opt_find(&fc, opt, NULL, 0,

AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) {

av_dict_set(&format_opts, opt, arg, FLAGS);

if (consumed)

av_log(NULL, AV_LOG_VERBOSE, "Routing option %s to both codec and muxer layer\n", opt);

consumed = 1;

}

#if CONFIG_SWSCALE

sc = sws_get_class();

if (!consumed && av_opt_find(&sc, opt, NULL, 0,

AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) {

// XXX we only support sws_flags, not arbitrary sws options

int ret = av_opt_set(sws_opts, opt, arg, 0);

if (ret < 0) {

av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt);

return ret;

}

consumed = 1;

}

#if CONFIG_SWRESAMPLE

swr_class = swr_get_class();

if (!consumed && (o=av_opt_find(&swr_class, opt, NULL, 0,

AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) {

struct SwrContext *swr = swr_alloc();

int ret = av_opt_set(swr, opt, arg, 0);

swr_free(&swr);

if (ret < 0) {

av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt);

return ret;

}

av_dict_set(&swr_opts, opt, arg, FLAGS);

consumed = 1;

}

#if CONFIG_AVRESAMPLE

if ((o=av_opt_find(&rc, opt, NULL, 0,

AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) {

av_dict_set(&resample_opts, opt, arg, FLAGS);

consumed = 1;

}

if (consumed)

return 0;

av_log(NULL, AV_LOG_ERROR, "Could not find option '%s' in any of the FFmpeg subsystems "

"(codec, format, scaler, resampler contexts)\n", opt);

return AVERROR_OPTION_NOT_FOUND;

}

static int match_group_separator(const OptionGroupDef *groups, int nb_groups,

const char *opt)

{

int i;

for (i = 0; i < nb_groups; i++) {

const OptionGroupDef *p = &groups[i];

if (p->sep && !strcmp(p->sep, opt))

return i;

}

return -1;

}

static void finish_group(OptionParseContext *octx, int group_idx,

const char *arg)

{

OptionGroupList *l = &octx->groups[group_idx];

OptionGroup *g;

GROW_ARRAY(l->groups, l->nb_groups);

g = &l->groups[l->nb_groups - 1];

*g = octx->cur_group;

g->arg = arg;

g->group_def = l->group_def;

#if CONFIG_SWSCALE

g->sws_opts = sws_opts;

g->swr_opts = swr_opts;

g->codec_opts = codec_opts;

g->format_opts = format_opts;

g->resample_opts = resample_opts;

codec_opts = NULL;

format_opts = NULL;

resample_opts = NULL;

#if CONFIG_SWSCALE

sws_opts = NULL;

swr_opts = NULL;

init_opts();

memset(&octx->cur_group, 0, sizeof(octx->cur_group));

}

static void add_opt(OptionParseContext *octx, const OptionDef *opt,

const char *key, const char *val)

{

int global = !(opt->flags & (OPT_PERFILE | OPT_SPEC | OPT_OFFSET));

OptionGroup *g = global ? &octx->global_opts : &octx->cur_group;

GROW_ARRAY(g->opts, g->nb_opts);

g->opts[g->nb_opts - 1].opt = opt;

g->opts[g->nb_opts - 1].key = key;

g->opts[g->nb_opts - 1].val = val;

}

static void init_parse_context(OptionParseContext *octx,

const OptionGroupDef *groups, int nb_groups)

{

static const OptionGroupDef global_group = { "global" };

int i;

memset(octx, 0, sizeof(*octx));

octx->nb_groups = nb_groups;

octx->groups = av_mallocz(sizeof(*octx->groups) * octx->nb_groups);

if (!octx->groups)

exit(1);

for (i = 0; i < octx->nb_groups; i++)

octx->groups[i].group_def = &groups[i];

octx->global_opts.group_def = &global_group;

octx->global_opts.arg = "";

init_opts();

}

void uninit_parse_context(OptionParseContext *octx)

{

int i, j;

for (i = 0; i < octx->nb_groups; i++) {

OptionGroupList *l = &octx->groups[i];

for (j = 0; j < l->nb_groups; j++) {

av_freep(&l->groups[j].opts);

av_dict_free(&l->groups[j].codec_opts);

av_dict_free(&l->groups[j].format_opts);

av_dict_free(&l->groups[j].resample_opts);

#if CONFIG_SWSCALE

sws_freeContext(l->groups[j].sws_opts);

av_dict_free(&l->groups[j].swr_opts);

}

av_freep(&l->groups);

}

av_freep(&octx->groups);

av_freep(&octx->cur_group.opts);

av_freep(&octx->global_opts.opts);

uninit_opts();

}

int split_commandline(OptionParseContext *octx, int argc, char *argv[],

const OptionDef *options,

const OptionGroupDef *groups, int nb_groups)

{

int optindex = 1;

int dashdash = -2;

/* perform system-dependent conversions for arguments list */

prepare_app_arguments(&argc, &argv);

init_parse_context(octx, groups, nb_groups);

av_log(NULL, AV_LOG_DEBUG, "Splitting the commandline.\n");

while (optindex < argc) {

const char *opt = argv[optindex++], *arg;

const OptionDef *po;

int ret;

av_log(NULL, AV_LOG_DEBUG, "Reading option '%s' ...", opt);

if (opt[0] == '-' && opt[1] == '-' && !opt[2]) {

dashdash = optindex;

continue;

}

/* unnamed group separators, e.g. output filename */

if (opt[0] != '-' || !opt[1] || dashdash+1 == optindex) {

finish_group(octx, 0, opt);

av_log(NULL, AV_LOG_DEBUG, " matched as %s.\n", groups[0].name);

continue;

}

opt++;

#define GET_ARG(arg) \

do { \

arg = argv[optindex++]; \

if (!arg) { \

av_log(NULL, AV_LOG_ERROR, "Missing argument for option '%s'.\n", opt);\

return AVERROR(EINVAL); \

} \

} while (0)

/* named group separators, e.g. -i */

if ((ret = match_group_separator(groups, nb_groups, opt)) >= 0) {

GET_ARG(arg);

finish_group(octx, ret, arg);

av_log(NULL, AV_LOG_DEBUG, " matched as %s with argument '%s'.\n",

groups[ret].name, arg);

continue;

}

/* normal options */

po = find_option(options, opt);

if (po->name) {

if (po->flags & OPT_EXIT) {

/* optional argument, e.g. -h */

arg = argv[optindex++];

} else if (po->flags & HAS_ARG) {

GET_ARG(arg);

} else {

arg = "1";

}

add_opt(octx, po, opt, arg);

av_log(NULL, AV_LOG_DEBUG, " matched as option '%s' (%s) with "

"argument '%s'.\n", po->name, po->help, arg);

continue;

}

/* AVOptions */

if (argv[optindex]) {

ret = opt_default(NULL, opt, argv[optindex]);

if (ret >= 0) {

av_log(NULL, AV_LOG_DEBUG, " matched as AVOption '%s' with "

"argument '%s'.\n", opt, argv[optindex]);

optindex++;

continue;

} else if (ret != AVERROR_OPTION_NOT_FOUND) {

av_log(NULL, AV_LOG_ERROR, "Error parsing option '%s' "

"with argument '%s'.\n", opt, argv[optindex]);

return ret;

}

}

/* boolean -nofoo options */

if (opt[0] == 'n' && opt[1] == 'o' &&

(po = find_option(options, opt + 2)) &&

po->name && po->flags & OPT_BOOL) {

add_opt(octx, po, opt, "0");

av_log(NULL, AV_LOG_DEBUG, " matched as option '%s' (%s) with "

"argument 0.\n", po->name, po->help);

continue;

}

av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'.\n", opt);

return AVERROR_OPTION_NOT_FOUND;

}

if (octx->cur_group.nb_opts || codec_opts || format_opts || resample_opts)

av_log(NULL, AV_LOG_WARNING, "Trailing options were found on the "

"commandline.\n");

av_log(NULL, AV_LOG_DEBUG, "Finished splitting the commandline.\n");

return 0;

}

int opt_loglevel(void *optctx, const char *opt, const char *arg)

{

const struct { const char *name; int level; } log_levels[] = {

{ "quiet" , AV_LOG_QUIET },

{ "panic" , AV_LOG_PANIC },

{ "fatal" , AV_LOG_FATAL },

{ "error" , AV_LOG_ERROR },

{ "warning", AV_LOG_WARNING },

{ "info" , AV_LOG_INFO },

{ "verbose", AV_LOG_VERBOSE },

{ "debug" , AV_LOG_DEBUG },

};

char *tail;

int level;

int i;

tail = strstr(arg, "repeat");

av_log_set_flags(tail ? 0 : AV_LOG_SKIP_REPEATED);

if (tail == arg)

arg += 6 + (arg[6]=='+');

if(tail && !*arg)

return 0;

for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) {

if (!strcmp(log_levels[i].name, arg)) {

av_log_set_level(log_levels[i].level);

return 0;

}

}

level = strtol(arg, &tail, 10);

if (*tail) {

av_log(NULL, AV_LOG_FATAL, "Invalid loglevel \"%s\". "

"Possible levels are numbers or:\n", arg);

for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++)

av_log(NULL, AV_LOG_FATAL, "\"%s\"\n", log_levels[i].name);

exit(1);

}

av_log_set_level(level);

return 0;

}

static void expand_filename_template(AVBPrint *bp, const char *template,

struct tm *tm)

{

int c;

while ((c = *(template++))) {

if (c == '%') {

if (!(c = *(template++)))

break;

switch (c) {

case 'p':

av_bprintf(bp, "%s", program_name);

break;

case 't':

av_bprintf(bp, "%04d%02d%02d-%02d%02d%02d",

tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,

tm->tm_hour, tm->tm_min, tm->tm_sec);

break;

case '%':

av_bprint_chars(bp, c, 1);

break;

}

} else {

av_bprint_chars(bp, c, 1);

}

}

}

static int init_report(const char *env)

{

char *filename_template = NULL;

char *key, *val;

int ret, count = 0;

time_t now;

struct tm *tm;

AVBPrint filename;

if (report_file) /* already opened */

return 0;

time(&now);

tm = localtime(&now);

while (env && *env) {

if ((ret = av_opt_get_key_value(&env, "=", ":", 0, &key, &val)) < 0) {

if (count)

av_log(NULL, AV_LOG_ERROR,

"Failed to parse FFREPORT environment variable: %s\n",

av_err2str(ret));

break;

}

if (*env)

env++;

count++;

if (!strcmp(key, "file")) {

av_free(filename_template);

filename_template = val;

val = NULL;

} else {

av_log(NULL, AV_LOG_ERROR, "Unknown key '%s' in FFREPORT\n", key);

}

av_free(val);

av_free(key);

}

av_bprint_init(&filename, 0, 1);

expand_filename_template(&filename,

av_x_if_null(filename_template, "%p-%t.log"), tm);

av_free(filename_template);

if (!av_bprint_is_complete(&filename)) {

av_log(NULL, AV_LOG_ERROR, "Out of memory building report file name\n");

return AVERROR(ENOMEM);

}

report_file = fopen(filename.str, "w");

if (!report_file) {

av_log(NULL, AV_LOG_ERROR, "Failed to open report \"%s\": %s\n",

filename.str, strerror(errno));

return AVERROR(errno);

}

av_log_set_callback(log_callback_report);

av_log(NULL, AV_LOG_INFO,

"%s started on %04d-%02d-%02d at %02d:%02d:%02d\n"

"Report written to \"%s\"\n",

program_name,

tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,

tm->tm_hour, tm->tm_min, tm->tm_sec,

filename.str);

av_log_set_level(FFMAX(av_log_get_level(), AV_LOG_VERBOSE));

av_bprint_finalize(&filename, NULL);

return 0;

}

int opt_report(const char *opt)

{

return init_report(NULL);

}

int opt_max_alloc(void *optctx, const char *opt, const char *arg)

{

char *tail;

size_t max;

max = strtol(arg, &tail, 10);

if (*tail) {

av_log(NULL, AV_LOG_FATAL, "Invalid max_alloc \"%s\".\n", arg);

exit(1);

}

av_max_alloc(max);

return 0;

}

int opt_cpuflags(void *optctx, const char *opt, const char *arg)

{

int ret;

unsigned flags = av_get_cpu_flags();

if ((ret = av_parse_cpu_caps(&flags, arg)) < 0)

return ret;

av_force_cpu_flags(flags);

return 0;

}

int opt_timelimit(void *optctx, const char *opt, const char *arg)

{

#if HAVE_SETRLIMIT

int lim = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);

struct rlimit rl = { lim, lim + 1 };

if (setrlimit(RLIMIT_CPU, &rl))

perror("setrlimit");

av_log(NULL, AV_LOG_WARNING, "-%s not implemented on this OS\n", opt);

return 0;

}

void print_error(const char *filename, int err)

{

char errbuf[128];

const char *errbuf_ptr = errbuf;

if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)

errbuf_ptr = strerror(AVUNERROR(err));

av_log(NULL, AV_LOG_ERROR, "%s: %s\n", filename, errbuf_ptr);

}

static int warned_cfg = 0;

#define INDENT 1

#define SHOW_VERSION 2

#define SHOW_CONFIG 4

#define SHOW_COPYRIGHT 8

#define PRINT_LIB_INFO(libname, LIBNAME, flags, level) \

if (CONFIG_##LIBNAME) { \

const char *indent = flags & INDENT? " " : ""; \

if (flags & SHOW_VERSION) { \

unsigned int version = libname##_version(); \

av_log(NULL, level, \

"%slib%-11s %2d.%3d.%3d / %2d.%3d.%3d\n", \

indent, #libname, \

LIB##LIBNAME##_VERSION_MAJOR, \

LIB##LIBNAME##_VERSION_MINOR, \

LIB##LIBNAME##_VERSION_MICRO, \

version >> 16, version >> 8 & 0xff, version & 0xff); \

} \

if (flags & SHOW_CONFIG) { \

const char *cfg = libname##_configuration(); \

if (strcmp(FFMPEG_CONFIGURATION, cfg)) { \

if (!warned_cfg) { \

av_log(NULL, level, \

"%sWARNING: library configuration mismatch\n", \

indent); \

warned_cfg = 1; \

} \

av_log(NULL, level, "%s%-11s configuration: %s\n", \

indent, #libname, cfg); \