* Various utilities for command line tools
* Copyright (c) 2000-2003 Fabrice Bellard
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavformat/avformat.h"
#include "libavfilter/avfilter.h"
#include "libavdevice/avdevice.h"
+#include "libavresample/avresample.h"
#include "libswscale/swscale.h"
-#include "libpostproc/postprocess.h"
#include "libavutil/avstring.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/parseutils.h"
#include "libavutil/pixdesc.h"
#include "libavutil/eval.h"
-#include "libavcodec/opt.h"
+#include "libavutil/dict.h"
+#include "libavutil/opt.h"
#include "cmdutils.h"
#include "version.h"
#if CONFIG_NETWORK
#include <sys/resource.h>
#endif
-const char **opt_names;
-static int opt_name_count;
-AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
-AVFormatContext *avformat_opts;
struct SwsContext *sws_opts;
+AVDictionary *format_opts, *codec_opts;
-const int this_year = 2010;
+static const int this_year = 2012;
-double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max)
+void init_opts(void)
+{
+#if CONFIG_SWSCALE
+ sws_opts = sws_getContext(16, 16, 0, 16, 16, 0, SWS_BICUBIC,
+ NULL, NULL, NULL);
+#endif
+}
+
+void uninit_opts(void)
+{
+#if CONFIG_SWSCALE
+ sws_freeContext(sws_opts);
+ sws_opts = NULL;
+#endif
+ av_dict_free(&format_opts);
+ av_dict_free(&codec_opts);
+}
+
+void log_callback_help(void *ptr, int level, const char *fmt, va_list vl)
+{
+ vfprintf(stdout, fmt, vl);
+}
+
+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";
+ 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";
+ 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;
- fprintf(stderr, error, context, numstr, min, max);
- exit(1);
+ av_log(NULL, AV_LOG_FATAL, error, context, numstr, min, max);
+ exit_program(1);
+ return 0;
}
-int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration)
+int64_t parse_time_or_die(const char *context, const char *timestr,
+ int is_duration)
{
- int64_t us = parse_date(timestr, is_duration);
- if (us == INT64_MIN) {
- fprintf(stderr, "Invalid %s specification for %s: %s\n",
- is_duration ? "duration" : "date", context, timestr);
- exit(1);
+ 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_program(1);
}
return us;
}
-void show_help_options(const OptionDef *options, const char *msg, int mask, int value)
+void show_help_options(const OptionDef *options, const char *msg, int mask,
+ int value)
{
const OptionDef *po;
int first;
first = 1;
- for(po = options; po->name != NULL; po++) {
+ for (po = options; po->name != NULL; po++) {
char buf[64];
if ((po->flags & mask) == value) {
if (first) {
}
}
-static const OptionDef* find_option(const OptionDef *po, const char *name){
+void show_help_children(const AVClass *class, int flags)
+{
+ const AVClass *child = NULL;
+ 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 (!strcmp(name, po->name))
+ if (!strncmp(name, po->name, len) && strlen(po->name) == len)
break;
po++;
}
return po;
}
-void parse_options(int argc, char **argv, const OptionDef *options,
- void (* parse_arg_function)(const char*))
+#if defined(_WIN32) && !defined(__MINGW32CE__)
+#include <windows.h>
+/* Will be leaked on exit */
+static char** win32_argv_utf8 = NULL;
+static int win32_argc = 0;
+
+/**
+ * Prepare command line arguments for executable.
+ * For Windows - perform wide-char to UTF-8 conversion.
+ * Input arguments should be main() function arguments.
+ * @param argc_ptr Arguments number (including executable)
+ * @param argv_ptr Arguments list.
+ */
+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;
+}
+#else
+static inline void prepare_app_arguments(int *argc_ptr, char ***argv_ptr)
+{
+ /* nothing to do */
+}
+#endif /* WIN32 && !__MINGW32CE__ */
+
+int parse_option(void *optctx, const char *opt, const char *arg,
+ const OptionDef *options)
{
- const char *opt, *arg;
- int optindex, handleoptions=1;
const OptionDef *po;
+ int bool_val = 1;
+ int *dstcount;
+ void *dst;
+
+ 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)))
+ bool_val = 0;
+ }
+ 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);
+ }
+
+ /* new-style options contain an offset into optctx, old-style address of
+ * a global var*/
+ dst = po->flags & (OPT_OFFSET | OPT_SPEC) ? (uint8_t *)optctx + po->u.off
+ : po->u.dst_ptr;
+
+ 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);
+ *(char **)dst = str;
+ } else if (po->flags & OPT_BOOL) {
+ *(int *)dst = bool_val;
+ } else if (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->flags & OPT_FUNC2 ? po->u.func2_arg(optctx, opt, arg)
+ : po->u.func_arg(opt, arg);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR,
+ "Failed to set value '%s' for option '%s'\n", arg, opt);
+ return ret;
+ }
+ }
+ if (po->flags & OPT_EXIT)
+ exit_program(0);
+ 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;
opt = argv[optindex++];
if (handleoptions && opt[0] == '-' && opt[1] != '\0') {
- int bool_val = 1;
if (opt[1] == '-' && opt[2] == '\0') {
handleoptions = 0;
continue;
}
opt++;
- 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)))
- goto unknown_opt;
- bool_val = 0;
- }
- if (!po->name)
- po= find_option(options, "default");
- if (!po->name) {
-unknown_opt:
- fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
- exit(1);
- }
- arg = NULL;
- if (po->flags & HAS_ARG) {
- arg = argv[optindex++];
- if (!arg) {
- fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
- exit(1);
- }
- }
- if (po->flags & OPT_STRING) {
- char *str;
- str = av_strdup(arg);
- *po->u.str_arg = str;
- } else if (po->flags & OPT_BOOL) {
- *po->u.int_arg = bool_val;
- } else if (po->flags & OPT_INT) {
- *po->u.int_arg = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
- } else if (po->flags & OPT_INT64) {
- *po->u.int64_arg = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX);
- } else if (po->flags & OPT_FLOAT) {
- *po->u.float_arg = parse_number_or_die(opt, arg, OPT_FLOAT, -1.0/0.0, 1.0/0.0);
- } else if (po->flags & OPT_FUNC2) {
- if (po->u.func2_arg(opt, arg) < 0) {
- fprintf(stderr, "%s: failed to set value '%s' for option '%s'\n", argv[0], arg, opt);
- exit(1);
- }
- } else {
- po->u.func_arg(arg);
- }
- if(po->flags & OPT_EXIT)
- exit(0);
+
+ if ((ret = parse_option(optctx, opt, argv[optindex], options)) < 0)
+ exit_program(1);
+ optindex += ret;
} else {
if (parse_arg_function)
- parse_arg_function(opt);
+ parse_arg_function(optctx, opt);
}
}
}
-int opt_default(const char *opt, const char *arg){
- int type;
- int ret= 0;
- const AVOption *o= NULL;
- int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
+int locate_option(int argc, char **argv, const OptionDef *options,
+ const char *optname)
+{
+ const OptionDef *po;
+ int i;
- for(type=0; type<AVMEDIA_TYPE_NB && ret>= 0; type++){
- const AVOption *o2 = av_find_opt(avcodec_opts[0], opt, NULL, opt_types[type], opt_types[type]);
- if(o2)
- ret = av_set_string3(avcodec_opts[type], opt, arg, 1, &o);
- }
- if(!o)
- ret = av_set_string3(avformat_opts, opt, arg, 1, &o);
- if(!o && sws_opts)
- ret = av_set_string3(sws_opts, opt, arg, 1, &o);
- if(!o){
- if(opt[0] == 'a')
- ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_AUDIO], opt+1, arg, 1, &o);
- else if(opt[0] == 'v')
- ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_VIDEO], opt+1, arg, 1, &o);
- else if(opt[0] == 's')
- ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], opt+1, arg, 1, &o);
- }
- if (o && ret < 0) {
- fprintf(stderr, "Invalid value '%s' for option '%s'\n", arg, opt);
- exit(1);
- }
- if (!o) {
- fprintf(stderr, "Unrecognized option '%s'\n", opt);
- exit(1);
- }
+ for (i = 1; i < argc; i++) {
+ const char *cur_opt = argv[i];
+
+ if (*cur_opt++ != '-')
+ continue;
-// av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avcodec_opts, opt, NULL), (int)av_get_int(avcodec_opts, opt, NULL));
+ po = find_option(options, cur_opt);
+ if (!po->name && cur_opt[0] == 'n' && cur_opt[1] == 'o')
+ po = find_option(options, cur_opt + 2);
- //FIXME we should always use avcodec_opts, ... for storing options so there will not be any need to keep track of what i set over this
- opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
- opt_names[opt_name_count++]= o->name;
+ if ((!po->name && !strcmp(cur_opt, optname)) ||
+ (po->name && !strcmp(optname, po->name)))
+ return i;
- if(avcodec_opts[0]->debug || avformat_opts->debug)
- av_log_set_level(AV_LOG_DEBUG);
+ if (!po || po->flags & HAS_ARG)
+ i++;
+ }
return 0;
}
+void parse_loglevel(int argc, char **argv, const OptionDef *options)
+{
+ int idx = locate_option(argc, argv, options, "loglevel");
+ if (!idx)
+ idx = locate_option(argc, argv, options, "v");
+ if (idx && argv[idx + 1])
+ opt_loglevel("loglevel", argv[idx + 1]);
+}
+
+#define FLAGS (o->type == AV_OPT_TYPE_FLAGS) ? AV_DICT_APPEND : 0
+int opt_default(const char *opt, const char *arg)
+{
+ const AVOption *o;
+ char opt_stripped[128];
+ const char *p;
+ const AVClass *cc = avcodec_get_class(), *fc = avformat_get_class(), *sc = sws_get_class();
+
+ 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);
+ else 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);
+ else if ((o = 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;
+ }
+ }
+
+ if (o)
+ return 0;
+ av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'\n", opt);
+ return AVERROR_OPTION_NOT_FOUND;
+}
+
int opt_loglevel(const char *opt, const char *arg)
{
const struct { const char *name; int level; } log_levels[] = {
level = strtol(arg, &tail, 10);
if (*tail) {
- fprintf(stderr, "Invalid loglevel \"%s\". "
- "Possible levels are numbers or:\n", arg);
+ 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++)
- fprintf(stderr, "\"%s\"\n", log_levels[i].name);
- exit(1);
+ av_log(NULL, AV_LOG_FATAL, "\"%s\"\n", log_levels[i].name);
+ exit_program(1);
}
av_log_set_level(level);
return 0;
if (setrlimit(RLIMIT_CPU, &rl))
perror("setrlimit");
#else
- fprintf(stderr, "Warning: -%s not implemented on this OS\n", opt);
+ av_log(NULL, AV_LOG_WARNING, "-%s not implemented on this OS\n", opt);
#endif
return 0;
}
-void set_context_opts(void *ctx, void *opts_ctx, int flags)
-{
- int i;
- for(i=0; i<opt_name_count; i++){
- char buf[256];
- const AVOption *opt;
- const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
- /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
- if(str && ((opt->flags & flags) == flags))
- av_set_string3(ctx, opt_names[i], str, 1, NULL);
- }
-}
-
void print_error(const char *filename, int err)
{
char errbuf[128];
if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
errbuf_ptr = strerror(AVUNERROR(err));
- fprintf(stderr, "%s: %s\n", filename, errbuf_ptr);
+ av_log(NULL, AV_LOG_ERROR, "%s: %s\n", filename, errbuf_ptr);
}
-#define PRINT_LIB_VERSION(outstream,libname,LIBNAME,indent) \
- if (CONFIG_##LIBNAME) { \
- unsigned int version = libname##_version(); \
- fprintf(outstream, "%slib%-10s %2d.%2d.%2d / %2d.%2d.%2d\n", \
- indent? " " : "", #libname, \
- LIB##LIBNAME##_VERSION_MAJOR, \
- LIB##LIBNAME##_VERSION_MINOR, \
- LIB##LIBNAME##_VERSION_MICRO, \
- version >> 16, version >> 8 & 0xff, version & 0xff); \
- }
+static int warned_cfg = 0;
-static void print_all_lib_versions(FILE* outstream, int indent)
-{
- PRINT_LIB_VERSION(outstream, avutil, AVUTIL, indent);
- PRINT_LIB_VERSION(outstream, avcodec, AVCODEC, indent);
- PRINT_LIB_VERSION(outstream, avformat, AVFORMAT, indent);
- PRINT_LIB_VERSION(outstream, avdevice, AVDEVICE, indent);
- PRINT_LIB_VERSION(outstream, avfilter, AVFILTER, indent);
- PRINT_LIB_VERSION(outstream, swscale, SWSCALE, indent);
- PRINT_LIB_VERSION(outstream, postproc, POSTPROC, indent);
-}
+#define INDENT 1
+#define SHOW_VERSION 2
+#define SHOW_CONFIG 4
-static void maybe_print_config(const char *lib, const char *cfg)
-{
- static int warned_cfg;
+#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%-10s %2d.%3d.%2d / %2d.%3d.%2d\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(LIBAV_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); \
+ } \
+ } \
+ } \
- if (strcmp(FFMPEG_CONFIGURATION, cfg)) {
- if (!warned_cfg) {
- fprintf(stderr, " WARNING: library configuration mismatch\n");
- warned_cfg = 1;
- }
- fprintf(stderr, " %-11s configuration: %s\n", lib, cfg);
- }
+static void print_all_libs_info(int flags, int level)
+{
+ PRINT_LIB_INFO(avutil, AVUTIL, flags, level);
+ PRINT_LIB_INFO(avcodec, AVCODEC, flags, level);
+ PRINT_LIB_INFO(avformat, AVFORMAT, flags, level);
+ PRINT_LIB_INFO(avdevice, AVDEVICE, flags, level);
+ PRINT_LIB_INFO(avfilter, AVFILTER, flags, level);
+ PRINT_LIB_INFO(avresample, AVRESAMPLE, flags, level);
+ PRINT_LIB_INFO(swscale, SWSCALE, flags, level);
}
-#define PRINT_LIB_CONFIG(lib, tag, cfg) do { \
- if (CONFIG_##lib) \
- maybe_print_config(tag, cfg); \
- } while (0)
-
void show_banner(void)
{
- fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-%d the FFmpeg developers\n",
- program_name, program_birth_year, this_year);
- fprintf(stderr, " built on %s %s with %s %s\n",
- __DATE__, __TIME__, CC_TYPE, CC_VERSION);
- fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
- PRINT_LIB_CONFIG(AVUTIL, "libavutil", avutil_configuration());
- PRINT_LIB_CONFIG(AVCODEC, "libavcodec", avcodec_configuration());
- PRINT_LIB_CONFIG(AVFORMAT, "libavformat", avformat_configuration());
- PRINT_LIB_CONFIG(AVDEVICE, "libavdevice", avdevice_configuration());
- PRINT_LIB_CONFIG(AVFILTER, "libavfilter", avfilter_configuration());
- PRINT_LIB_CONFIG(SWSCALE, "libswscale", swscale_configuration());
- PRINT_LIB_CONFIG(POSTPROC, "libpostproc", postproc_configuration());
- print_all_lib_versions(stderr, 1);
+ av_log(NULL, AV_LOG_INFO,
+ "%s version " LIBAV_VERSION ", Copyright (c) %d-%d the Libav developers\n",
+ program_name, program_birth_year, this_year);
+ av_log(NULL, AV_LOG_INFO, " built on %s %s with %s %s\n",
+ __DATE__, __TIME__, CC_TYPE, CC_VERSION);
+ av_log(NULL, AV_LOG_VERBOSE, " configuration: " LIBAV_CONFIGURATION "\n");
+ print_all_libs_info(INDENT|SHOW_CONFIG, AV_LOG_VERBOSE);
+ print_all_libs_info(INDENT|SHOW_VERSION, AV_LOG_VERBOSE);
}
void show_version(void) {
- printf("%s " FFMPEG_VERSION "\n", program_name);
- print_all_lib_versions(stdout, 0);
+ av_log_set_callback(log_callback_help);
+ printf("%s " LIBAV_VERSION "\n", program_name);
+ print_all_libs_info(SHOW_VERSION, AV_LOG_INFO);
}
void show_license(void)
);
}
-void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
-{
- int i;
- char fmt_str[128];
- for (i=-1; i < nb_fmts; i++) {
- get_fmt_string (fmt_str, sizeof(fmt_str), i);
- fprintf(stdout, "%s\n", fmt_str);
- }
-}
-
void show_formats(void)
{
- AVInputFormat *ifmt=NULL;
- AVOutputFormat *ofmt=NULL;
+ AVInputFormat *ifmt = NULL;
+ AVOutputFormat *ofmt = NULL;
const char *last_name;
- printf(
- "File formats:\n"
- " D. = Demuxing supported\n"
- " .E = Muxing supported\n"
- " --\n");
- last_name= "000";
- for(;;){
- int decode=0;
- int encode=0;
- const char *name=NULL;
- const char *long_name=NULL;
-
- while((ofmt= av_oformat_next(ofmt))) {
- if((name == NULL || strcmp(ofmt->name, name)<0) &&
- strcmp(ofmt->name, last_name)>0){
- name= ofmt->name;
- long_name= ofmt->long_name;
- encode=1;
+ printf("File formats:\n"
+ " D. = Demuxing supported\n"
+ " .E = Muxing supported\n"
+ " --\n");
+ last_name = "000";
+ for (;;) {
+ int decode = 0;
+ int encode = 0;
+ const char *name = NULL;
+ const char *long_name = NULL;
+
+ while ((ofmt = av_oformat_next(ofmt))) {
+ if ((name == NULL || strcmp(ofmt->name, name) < 0) &&
+ strcmp(ofmt->name, last_name) > 0) {
+ name = ofmt->name;
+ long_name = ofmt->long_name;
+ encode = 1;
}
}
- while((ifmt= av_iformat_next(ifmt))) {
- if((name == NULL || strcmp(ifmt->name, name)<0) &&
- strcmp(ifmt->name, last_name)>0){
- name= ifmt->name;
- long_name= ifmt->long_name;
- encode=0;
+ while ((ifmt = av_iformat_next(ifmt))) {
+ if ((name == NULL || strcmp(ifmt->name, name) < 0) &&
+ strcmp(ifmt->name, last_name) > 0) {
+ name = ifmt->name;
+ long_name = ifmt->long_name;
+ encode = 0;
}
- if(name && strcmp(ifmt->name, name)==0)
- decode=1;
+ if (name && strcmp(ifmt->name, name) == 0)
+ decode = 1;
}
- if(name==NULL)
+ if (name == NULL)
break;
- last_name= name;
+ last_name = name;
- printf(
- " %s%s %-15s %s\n",
- decode ? "D":" ",
- encode ? "E":" ",
- name,
+ printf(" %s%s %-15s %s\n",
+ decode ? "D" : " ",
+ encode ? "E" : " ",
+ name,
long_name ? long_name:" ");
}
}
void show_codecs(void)
{
- AVCodec *p=NULL, *p2;
+ AVCodec *p = NULL, *p2;
const char *last_name;
- printf(
- "Codecs:\n"
- " D..... = Decoding supported\n"
- " .E.... = Encoding supported\n"
- " ..V... = Video codec\n"
- " ..A... = Audio codec\n"
- " ..S... = Subtitle codec\n"
- " ...S.. = Supports draw_horiz_band\n"
- " ....D. = Supports direct rendering method 1\n"
- " .....T = Supports weird frame truncation\n"
- " ------\n");
+ printf("Codecs:\n"
+ " D..... = Decoding supported\n"
+ " .E.... = Encoding supported\n"
+ " ..V... = Video codec\n"
+ " ..A... = Audio codec\n"
+ " ..S... = Subtitle codec\n"
+ " ...S.. = Supports draw_horiz_band\n"
+ " ....D. = Supports direct rendering method 1\n"
+ " .....T = Supports weird frame truncation\n"
+ " ------\n");
last_name= "000";
- for(;;){
- int decode=0;
- int encode=0;
- int cap=0;
+ for (;;) {
+ int decode = 0;
+ int encode = 0;
+ int cap = 0;
const char *type_str;
- p2=NULL;
- while((p= av_codec_next(p))) {
- if((p2==NULL || strcmp(p->name, p2->name)<0) &&
- strcmp(p->name, last_name)>0){
- p2= p;
- decode= encode= cap=0;
+ p2 = NULL;
+ while ((p = av_codec_next(p))) {
+ if ((p2 == NULL || strcmp(p->name, p2->name) < 0) &&
+ strcmp(p->name, last_name) > 0) {
+ p2 = p;
+ decode = encode = cap = 0;
}
- if(p2 && strcmp(p->name, p2->name)==0){
- if(p->decode) decode=1;
- if(p->encode) encode=1;
+ if (p2 && strcmp(p->name, p2->name) == 0) {
+ if (av_codec_is_decoder(p))
+ decode = 1;
+ if (av_codec_is_encoder(p))
+ encode = 1;
cap |= p->capabilities;
}
}
- if(p2==NULL)
+ if (p2 == NULL)
break;
- last_name= p2->name;
+ last_name = p2->name;
- switch(p2->type) {
+ switch (p2->type) {
case AVMEDIA_TYPE_VIDEO:
type_str = "V";
break;
type_str = "?";
break;
}
- printf(
- " %s%s%s%s%s%s %-15s %s",
- decode ? "D": (/*p2->decoder ? "d":*/" "),
- encode ? "E":" ",
- type_str,
- cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
- cap & CODEC_CAP_DR1 ? "D":" ",
- cap & CODEC_CAP_TRUNCATED ? "T":" ",
- p2->name,
- p2->long_name ? p2->long_name : "");
- /* if(p2->decoder && decode==0)
- printf(" use %s for decoding", p2->decoder->name);*/
+ printf(" %s%s%s%s%s%s %-15s %s",
+ decode ? "D" : (/* p2->decoder ? "d" : */ " "),
+ encode ? "E" : " ",
+ type_str,
+ cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S" : " ",
+ cap & CODEC_CAP_DR1 ? "D" : " ",
+ cap & CODEC_CAP_TRUNCATED ? "T" : " ",
+ p2->name,
+ p2->long_name ? p2->long_name : "");
+#if 0
+ if (p2->decoder && decode == 0)
+ printf(" use %s for decoding", p2->decoder->name);
+#endif
printf("\n");
}
printf("\n");
- printf(
-"Note, the names of encoders and decoders do not always match, so there are\n"
-"several cases where the above table shows encoder only or decoder only entries\n"
-"even though both encoding and decoding are supported. For example, the h263\n"
-"decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
-"worse.\n");
+ printf("Note, the names of encoders and decoders do not always match, so there are\n"
+ "several cases where the above table shows encoder only or decoder only entries\n"
+ "even though both encoding and decoding are supported. For example, the h263\n"
+ "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
+ "worse.\n");
}
void show_bsfs(void)
{
- AVBitStreamFilter *bsf=NULL;
+ AVBitStreamFilter *bsf = NULL;
printf("Bitstream filters:\n");
- while((bsf = av_bitstream_filter_next(bsf)))
+ while ((bsf = av_bitstream_filter_next(bsf)))
printf("%s\n", bsf->name);
printf("\n");
}
void show_protocols(void)
{
- URLProtocol *up=NULL;
+ void *opaque = NULL;
+ const char *name;
- printf("Supported file protocols:\n");
- while((up = av_protocol_next(up)))
- printf("%s\n", up->name);
+ printf("Supported file protocols:\n"
+ "Input:\n");
+ while ((name = avio_enum_protocols(&opaque, 0)))
+ printf("%s\n", name);
+ printf("Output:\n");
+ while ((name = avio_enum_protocols(&opaque, 1)))
+ printf("%s\n", name);
}
void show_filters(void)
{
enum PixelFormat pix_fmt;
- printf(
- "Pixel formats:\n"
- "I.... = Supported Input format for conversion\n"
- ".O... = Supported Output format for conversion\n"
- "..H.. = Hardware accelerated format\n"
- "...P. = Paletted format\n"
- "....B = Bitstream format\n"
- "FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL\n"
- "-----\n");
+ printf("Pixel formats:\n"
+ "I.... = Supported Input format for conversion\n"
+ ".O... = Supported Output format for conversion\n"
+ "..H.. = Hardware accelerated format\n"
+ "...P. = Paletted format\n"
+ "....B = Bitstream format\n"
+ "FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL\n"
+ "-----\n");
#if !CONFIG_SWSCALE
# define sws_isSupportedInput(x) 0
}
}
+int show_sample_fmts(const char *opt, const char *arg)
+{
+ int i;
+ char fmt_str[128];
+ for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
+ printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
+ return 0;
+}
+
int read_yesno(void)
{
int c = getchar();
return yesno;
}
-int read_file(const char *filename, char **bufptr, size_t *size)
+int cmdutils_read_file(const char *filename, char **bufptr, size_t *size)
{
+ int ret;
FILE *f = fopen(filename, "rb");
if (!f) {
- fprintf(stderr, "Cannot read file '%s': %s\n", filename, strerror(errno));
+ av_log(NULL, AV_LOG_ERROR, "Cannot read file '%s': %s\n", filename,
+ strerror(errno));
return AVERROR(errno);
}
fseek(f, 0, SEEK_END);
fseek(f, 0, SEEK_SET);
*bufptr = av_malloc(*size + 1);
if (!*bufptr) {
- fprintf(stderr, "Could not allocate file buffer\n");
+ av_log(NULL, AV_LOG_ERROR, "Could not allocate file buffer\n");
fclose(f);
return AVERROR(ENOMEM);
}
- fread(*bufptr, 1, *size, f);
- (*bufptr)[*size++] = '\0';
+ ret = fread(*bufptr, 1, *size, f);
+ if (ret < *size) {
+ av_free(*bufptr);
+ if (ferror(f)) {
+ av_log(NULL, AV_LOG_ERROR, "Error while reading file '%s': %s\n",
+ filename, strerror(errno));
+ ret = AVERROR(errno);
+ } else
+ ret = AVERROR_EOF;
+ } else {
+ ret = 0;
+ (*bufptr)[*size++] = '\0';
+ }
fclose(f);
- return 0;
+ return ret;
+}
+
+void init_pts_correction(PtsCorrectionContext *ctx)
+{
+ ctx->num_faulty_pts = ctx->num_faulty_dts = 0;
+ ctx->last_pts = ctx->last_dts = INT64_MIN;
+}
+
+int64_t guess_correct_pts(PtsCorrectionContext *ctx, int64_t reordered_pts,
+ int64_t dts)
+{
+ int64_t pts = AV_NOPTS_VALUE;
+
+ if (dts != AV_NOPTS_VALUE) {
+ ctx->num_faulty_dts += dts <= ctx->last_dts;
+ ctx->last_dts = dts;
+ }
+ if (reordered_pts != AV_NOPTS_VALUE) {
+ ctx->num_faulty_pts += reordered_pts <= ctx->last_pts;
+ ctx->last_pts = reordered_pts;
+ }
+ if ((ctx->num_faulty_pts<=ctx->num_faulty_dts || dts == AV_NOPTS_VALUE)
+ && reordered_pts != AV_NOPTS_VALUE)
+ pts = reordered_pts;
+ else
+ pts = dts;
+
+ return pts;
+}
+
+FILE *get_preset_file(char *filename, size_t filename_size,
+ const char *preset_name, int is_path,
+ const char *codec_name)
+{
+ FILE *f = NULL;
+ int i;
+ const char *base[3] = { getenv("AVCONV_DATADIR"),
+ getenv("HOME"),
+ AVCONV_DATADIR, };
+
+ if (is_path) {
+ av_strlcpy(filename, preset_name, filename_size);
+ f = fopen(filename, "r");
+ } else {
+ for (i = 0; i < 3 && !f; i++) {
+ if (!base[i])
+ continue;
+ snprintf(filename, filename_size, "%s%s/%s.avpreset", base[i],
+ i != 1 ? "" : "/.avconv", preset_name);
+ f = fopen(filename, "r");
+ if (!f && codec_name) {
+ snprintf(filename, filename_size,
+ "%s%s/%s-%s.avpreset",
+ base[i], i != 1 ? "" : "/.avconv", codec_name,
+ preset_name);
+ f = fopen(filename, "r");
+ }
+ }
+ }
+
+ return f;
+}
+
+int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
+{
+ if (*spec <= '9' && *spec >= '0') /* opt:index */
+ return strtol(spec, NULL, 0) == st->index;
+ else if (*spec == 'v' || *spec == 'a' || *spec == 's' || *spec == 'd' ||
+ *spec == 't') { /* opt:[vasdt] */
+ enum AVMediaType type;
+
+ switch (*spec++) {
+ case 'v': type = AVMEDIA_TYPE_VIDEO; break;
+ case 'a': type = AVMEDIA_TYPE_AUDIO; break;
+ case 's': type = AVMEDIA_TYPE_SUBTITLE; break;
+ case 'd': type = AVMEDIA_TYPE_DATA; break;
+ case 't': type = AVMEDIA_TYPE_ATTACHMENT; break;
+ }
+ if (type != st->codec->codec_type)
+ return 0;
+ if (*spec++ == ':') { /* possibly followed by :index */
+ int i, index = strtol(spec, NULL, 0);
+ for (i = 0; i < s->nb_streams; i++)
+ if (s->streams[i]->codec->codec_type == type && index-- == 0)
+ return i == st->index;
+ return 0;
+ }
+ return 1;
+ } else if (*spec == 'p' && *(spec + 1) == ':') {
+ int prog_id, i, j;
+ char *endptr;
+ spec += 2;
+ prog_id = strtol(spec, &endptr, 0);
+ for (i = 0; i < s->nb_programs; i++) {
+ if (s->programs[i]->id != prog_id)
+ continue;
+
+ if (*endptr++ == ':') {
+ int stream_idx = strtol(endptr, NULL, 0);
+ return stream_idx >= 0 &&
+ stream_idx < s->programs[i]->nb_stream_indexes &&
+ st->index == s->programs[i]->stream_index[stream_idx];
+ }
+
+ for (j = 0; j < s->programs[i]->nb_stream_indexes; j++)
+ if (st->index == s->programs[i]->stream_index[j])
+ return 1;
+ }
+ return 0;
+ } else if (!*spec) /* empty specifier, matches everything */
+ return 1;
+
+ av_log(s, AV_LOG_ERROR, "Invalid stream specifier: %s.\n", spec);
+ return AVERROR(EINVAL);
+}
+
+AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id,
+ AVFormatContext *s, AVStream *st)
+{
+ AVDictionary *ret = NULL;
+ AVDictionaryEntry *t = NULL;
+ AVCodec *codec = s->oformat ? avcodec_find_encoder(codec_id)
+ : avcodec_find_decoder(codec_id);
+ int flags = s->oformat ? AV_OPT_FLAG_ENCODING_PARAM
+ : AV_OPT_FLAG_DECODING_PARAM;
+ char prefix = 0;
+ const AVClass *cc = avcodec_get_class();
+
+ if (!codec)
+ return NULL;
+
+ switch (codec->type) {
+ case AVMEDIA_TYPE_VIDEO:
+ prefix = 'v';
+ flags |= AV_OPT_FLAG_VIDEO_PARAM;
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ prefix = 'a';
+ flags |= AV_OPT_FLAG_AUDIO_PARAM;
+ break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ prefix = 's';
+ flags |= AV_OPT_FLAG_SUBTITLE_PARAM;
+ break;
+ }
+
+ while (t = av_dict_get(opts, "", t, AV_DICT_IGNORE_SUFFIX)) {
+ char *p = strchr(t->key, ':');
+
+ /* check stream specification in opt name */
+ if (p)
+ switch (check_stream_specifier(s, st, p + 1)) {
+ case 1: *p = 0; break;
+ case 0: continue;
+ default: return NULL;
+ }
+
+ if (av_opt_find(&cc, t->key, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ) ||
+ (codec && codec->priv_class &&
+ av_opt_find(&codec->priv_class, t->key, NULL, flags,
+ AV_OPT_SEARCH_FAKE_OBJ)))
+ av_dict_set(&ret, t->key, t->value, 0);
+ else if (t->key[0] == prefix &&
+ av_opt_find(&cc, t->key + 1, NULL, flags,
+ AV_OPT_SEARCH_FAKE_OBJ))
+ av_dict_set(&ret, t->key + 1, t->value, 0);
+
+ if (p)
+ *p = ':';
+ }
+ return ret;
+}
+
+AVDictionary **setup_find_stream_info_opts(AVFormatContext *s,
+ AVDictionary *codec_opts)
+{
+ int i;
+ AVDictionary **opts;
+
+ if (!s->nb_streams)
+ return NULL;
+ opts = av_mallocz(s->nb_streams * sizeof(*opts));
+ if (!opts) {
+ av_log(NULL, AV_LOG_ERROR,
+ "Could not alloc memory for stream options.\n");
+ return NULL;
+ }
+ for (i = 0; i < s->nb_streams; i++)
+ opts[i] = filter_codec_opts(codec_opts, s->streams[i]->codec->codec_id,
+ s, s->streams[i]);
+ return opts;
+}
+
+void *grow_array(void *array, int elem_size, int *size, int new_size)
+{
+ if (new_size >= INT_MAX / elem_size) {
+ av_log(NULL, AV_LOG_ERROR, "Array too big.\n");
+ exit_program(1);
+ }
+ if (*size < new_size) {
+ uint8_t *tmp = av_realloc(array, new_size*elem_size);
+ if (!tmp) {
+ av_log(NULL, AV_LOG_ERROR, "Could not alloc buffer.\n");
+ exit_program(1);
+ }
+ memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
+ *size = new_size;
+ return tmp;
+ }
+ return array;
}
projects / ffmpeg / blobdiff