#include "libavformat/network.h"
#endif
#if HAVE_SYS_RESOURCE_H
+#include <sys/time.h>
#include <sys/resource.h>
#endif
struct SwsContext *sws_opts;
-AVDictionary *format_opts, *codec_opts;
+AVDictionary *format_opts, *codec_opts, *resample_opts;
-static const int this_year = 2012;
+static const int this_year = 2013;
void init_opts(void)
{
#endif
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)
else
return d;
av_log(NULL, AV_LOG_FATAL, error, context, numstr, min, max);
- exit_program(1);
+ exit(1);
return 0;
}
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);
+ exit(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 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 & mask) == value) {
- if (first) {
- printf("%s", msg);
- first = 0;
- }
- av_strlcpy(buf, po->name, sizeof(buf));
- if (po->flags & HAS_ARG) {
- av_strlcat(buf, " ", sizeof(buf));
- av_strlcat(buf, po->argname, sizeof(buf));
- }
- printf("-%-17s %s\n", buf, po->help);
+
+ 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)
return po;
}
-#if defined(_WIN32) && !defined(__MINGW32CE__)
+#if HAVE_COMMANDLINETOARGVW
#include <windows.h>
+#include <shellapi.h>
/* Will be leaked on exit */
static char** win32_argv_utf8 = NULL;
static int win32_argc = 0;
{
/* nothing to do */
}
-#endif /* WIN32 && !__MINGW32CE__ */
+#endif /* HAVE_COMMANDLINETOARGVW */
-int parse_option(void *optctx, const char *opt, const char *arg,
- const OptionDef *options)
+static int write_option(void *optctx, const OptionDef *po, const char *opt,
+ const char *arg)
{
- 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;
+ 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;
if (po->flags & OPT_STRING) {
char *str;
str = av_strdup(arg);
+ av_freep(dst);
*(char **)dst = str;
- } else if (po->flags & OPT_BOOL) {
- *(int *)dst = bool_val;
- } else if (po->flags & OPT_INT) {
+ } 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_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);
+ 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'\n", arg, opt);
}
}
if (po->flags & OPT_EXIT)
- exit_program(0);
+ 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);
}
opt++;
if ((ret = parse_option(optctx, opt, argv[optindex], options)) < 0)
- exit_program(1);
+ exit(1);
optindex += ret;
} else {
if (parse_arg_function)
}
}
+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)
{
if (!idx)
idx = locate_option(argc, argv, options, "v");
if (idx && argv[idx + 1])
- opt_loglevel("loglevel", argv[idx + 1]);
+ opt_loglevel(NULL, "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)
+int opt_default(void *optctx, 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();
+ const AVClass *cc = avcodec_get_class(), *fc = avformat_get_class();
+#if CONFIG_AVRESAMPLE
+ const AVClass *rc = avresample_get_class();
+#endif
+#if CONFIG_SWSCALE
+ const AVClass *sc = sws_get_class();
+#endif
if (!(p = strchr(opt, ':')))
p = opt + strlen(opt);
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);
+#if CONFIG_AVRESAMPLE
+ else 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);
+#endif
+#if CONFIG_SWSCALE
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
return ret;
}
}
+#endif
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)
+/*
+ * Check whether given option is a group separator.
+ *
+ * @return index of the group definition that matched or -1 if none
+ */
+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;
+}
+
+/*
+ * Finish parsing an option group.
+ *
+ * @param group_idx which group definition should this group belong to
+ * @param arg argument of the group delimiting option
+ */
+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;
+#endif
+ 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;
+#endif
+ init_opts();
+
+ memset(&octx->cur_group, 0, sizeof(octx->cur_group));
+}
+
+/*
+ * Add an option instance to currently parsed 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);
+#endif
+ }
+ 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;
+
+ /* 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);
+
+ /* unnamed group separators, e.g. output filename */
+ if (opt[0] != '-' || !opt[1]) {
+ 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 },
"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_program(1);
+ exit(1);
}
av_log_set_level(level);
return 0;
}
-int opt_timelimit(const char *opt, const char *arg)
+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);
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_INFO, " built on %s %s with %s\n",
+ __DATE__, __TIME__, CC_IDENT);
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) {
+int show_version(void *optctx, const char *opt, const char *arg)
+{
av_log_set_callback(log_callback_help);
printf("%s " LIBAV_VERSION "\n", program_name);
print_all_libs_info(SHOW_VERSION, AV_LOG_INFO);
+
+ return 0;
}
-void show_license(void)
+int show_license(void *optctx, const char *opt, const char *arg)
{
printf(
#if CONFIG_NONFREE
program_name, program_name, program_name
#endif
);
+
+ return 0;
}
-void show_formats(void)
+int show_formats(void *optctx, const char *opt, const char *arg)
{
AVInputFormat *ifmt = NULL;
AVOutputFormat *ofmt = NULL;
name,
long_name ? long_name:" ");
}
+ return 0;
}
-void show_codecs(void)
+#define PRINT_CODEC_SUPPORTED(codec, field, type, list_name, term, get_name) \
+ if (codec->field) { \
+ const type *p = c->field; \
+ \
+ printf(" Supported " list_name ":"); \
+ while (*p != term) { \
+ get_name(*p); \
+ printf(" %s", name); \
+ p++; \
+ } \
+ printf("\n"); \
+ } \
+
+static void print_codec(const AVCodec *c)
{
- AVCodec *p = NULL, *p2;
- const char *last_name;
+ int encoder = av_codec_is_encoder(c);
+
+ printf("%s %s [%s]:\n", encoder ? "Encoder" : "Decoder", c->name,
+ c->long_name ? c->long_name : "");
+
+ if (c->type == AVMEDIA_TYPE_VIDEO) {
+ printf(" Threading capabilities: ");
+ switch (c->capabilities & (CODEC_CAP_FRAME_THREADS |
+ CODEC_CAP_SLICE_THREADS)) {
+ case CODEC_CAP_FRAME_THREADS |
+ CODEC_CAP_SLICE_THREADS: printf("frame and slice"); break;
+ case CODEC_CAP_FRAME_THREADS: printf("frame"); break;
+ case CODEC_CAP_SLICE_THREADS: printf("slice"); break;
+ default: printf("no"); break;
+ }
+ printf("\n");
+ }
+
+ if (c->supported_framerates) {
+ const AVRational *fps = c->supported_framerates;
+
+ printf(" Supported framerates:");
+ while (fps->num) {
+ printf(" %d/%d", fps->num, fps->den);
+ fps++;
+ }
+ printf("\n");
+ }
+ PRINT_CODEC_SUPPORTED(c, pix_fmts, enum AVPixelFormat, "pixel formats",
+ AV_PIX_FMT_NONE, GET_PIX_FMT_NAME);
+ PRINT_CODEC_SUPPORTED(c, supported_samplerates, int, "sample rates", 0,
+ GET_SAMPLE_RATE_NAME);
+ PRINT_CODEC_SUPPORTED(c, sample_fmts, enum AVSampleFormat, "sample formats",
+ AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME);
+ PRINT_CODEC_SUPPORTED(c, channel_layouts, uint64_t, "channel layouts",
+ 0, GET_CH_LAYOUT_DESC);
+
+ if (c->priv_class) {
+ show_help_children(c->priv_class,
+ AV_OPT_FLAG_ENCODING_PARAM |
+ AV_OPT_FLAG_DECODING_PARAM);
+ }
+}
+
+static char get_media_type_char(enum AVMediaType type)
+{
+ switch (type) {
+ case AVMEDIA_TYPE_VIDEO: return 'V';
+ case AVMEDIA_TYPE_AUDIO: return 'A';
+ case AVMEDIA_TYPE_SUBTITLE: return 'S';
+ default: return '?';
+ }
+}
+
+static const AVCodec *next_codec_for_id(enum AVCodecID id, const AVCodec *prev,
+ int encoder)
+{
+ while ((prev = av_codec_next(prev))) {
+ if (prev->id == id &&
+ (encoder ? av_codec_is_encoder(prev) : av_codec_is_decoder(prev)))
+ return prev;
+ }
+ return NULL;
+}
+
+static void print_codecs_for_id(enum AVCodecID id, int encoder)
+{
+ const AVCodec *codec = NULL;
+
+ printf(" (%s: ", encoder ? "encoders" : "decoders");
+
+ while ((codec = next_codec_for_id(id, codec, encoder)))
+ printf("%s ", codec->name);
+
+ printf(")");
+}
+
+int show_codecs(void *optctx, const char *opt, const char *arg)
+{
+ const AVCodecDescriptor *desc = NULL;
+
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;
- 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;
+ " ...I.. = Intra frame-only codec\n"
+ " ....L. = Lossy compression\n"
+ " .....S = Lossless compression\n"
+ " -------\n");
+ while ((desc = avcodec_descriptor_next(desc))) {
+ const AVCodec *codec = NULL;
+
+ printf(avcodec_find_decoder(desc->id) ? "D" : ".");
+ printf(avcodec_find_encoder(desc->id) ? "E" : ".");
+
+ printf("%c", get_media_type_char(desc->type));
+ printf((desc->props & AV_CODEC_PROP_INTRA_ONLY) ? "I" : ".");
+ printf((desc->props & AV_CODEC_PROP_LOSSY) ? "L" : ".");
+ printf((desc->props & AV_CODEC_PROP_LOSSLESS) ? "S" : ".");
+
+ printf(" %-20s %s", desc->name, desc->long_name ? desc->long_name : "");
+
+ /* print decoders/encoders when there's more than one or their
+ * names are different from codec name */
+ while ((codec = next_codec_for_id(desc->id, codec, 0))) {
+ if (strcmp(codec->name, desc->name)) {
+ print_codecs_for_id(desc->id, 0);
+ break;
}
- 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;
+ }
+ codec = NULL;
+ while ((codec = next_codec_for_id(desc->id, codec, 1))) {
+ if (strcmp(codec->name, desc->name)) {
+ print_codecs_for_id(desc->id, 1);
+ break;
}
}
- if (p2 == NULL)
- break;
- last_name = p2->name;
- switch (p2->type) {
- case AVMEDIA_TYPE_VIDEO:
- type_str = "V";
- break;
- case AVMEDIA_TYPE_AUDIO:
- type_str = "A";
- break;
- case AVMEDIA_TYPE_SUBTITLE:
- type_str = "S";
- break;
- default:
- 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 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");
+ return 0;
+}
+
+static void print_codecs(int encoder)
+{
+ const AVCodecDescriptor *desc = NULL;
+
+ printf("%s:\n"
+ " V... = Video\n"
+ " A... = Audio\n"
+ " S... = Subtitle\n"
+ " .F.. = Frame-level multithreading\n"
+ " ..S. = Slice-level multithreading\n"
+ " ...X = Codec is experimental\n"
+ " ---\n",
+ encoder ? "Encoders" : "Decoders");
+ while ((desc = avcodec_descriptor_next(desc))) {
+ const AVCodec *codec = NULL;
+
+ while ((codec = next_codec_for_id(desc->id, codec, encoder))) {
+ printf("%c", get_media_type_char(desc->type));
+ printf((codec->capabilities & CODEC_CAP_FRAME_THREADS) ? "F" : ".");
+ printf((codec->capabilities & CODEC_CAP_SLICE_THREADS) ? "S" : ".");
+ printf((codec->capabilities & CODEC_CAP_EXPERIMENTAL) ? "X" : ".");
+
+ printf(" %-20s %s", codec->name, codec->long_name ? codec->long_name : "");
+ if (strcmp(codec->name, desc->name))
+ printf(" (codec %s)", desc->name);
+
+ printf("\n");
+ }
+ }
+}
+
+int show_decoders(void *optctx, const char *opt, const char *arg)
+{
+ print_codecs(0);
+ return 0;
+}
+
+int show_encoders(void *optctx, const char *opt, const char *arg)
+{
+ print_codecs(1);
+ return 0;
}
-void show_bsfs(void)
+int show_bsfs(void *optctx, const char *opt, const char *arg)
{
AVBitStreamFilter *bsf = NULL;
while ((bsf = av_bitstream_filter_next(bsf)))
printf("%s\n", bsf->name);
printf("\n");
+ return 0;
}
-void show_protocols(void)
+int show_protocols(void *optctx, const char *opt, const char *arg)
{
void *opaque = NULL;
const char *name;
printf("Output:\n");
while ((name = avio_enum_protocols(&opaque, 1)))
printf("%s\n", name);
+ return 0;
}
-void show_filters(void)
+int show_filters(void *optctx, const char *opt, const char *arg)
{
AVFilter av_unused(**filter) = NULL;
while ((filter = av_filter_next(filter)) && *filter)
printf("%-16s %s\n", (*filter)->name, (*filter)->description);
#endif
+ return 0;
}
-void show_pix_fmts(void)
+int show_pix_fmts(void *optctx, const char *opt, const char *arg)
{
- enum PixelFormat pix_fmt;
+ const AVPixFmtDescriptor *pix_desc = NULL;
printf("Pixel formats:\n"
"I.... = Supported Input format for conversion\n"
# define sws_isSupportedOutput(x) 0
#endif
- for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++) {
- const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[pix_fmt];
+ while ((pix_desc = av_pix_fmt_desc_next(pix_desc))) {
+ enum AVPixelFormat pix_fmt = av_pix_fmt_desc_get_id(pix_desc);
printf("%c%c%c%c%c %-16s %d %2d\n",
sws_isSupportedInput (pix_fmt) ? 'I' : '.',
sws_isSupportedOutput(pix_fmt) ? 'O' : '.',
pix_desc->nb_components,
av_get_bits_per_pixel(pix_desc));
}
+ return 0;
}
-int show_sample_fmts(const char *opt, const char *arg)
+int show_sample_fmts(void *optctx, const char *opt, const char *arg)
{
int i;
char fmt_str[128];
return 0;
}
+static void show_help_codec(const char *name, int encoder)
+{
+ const AVCodecDescriptor *desc;
+ const AVCodec *codec;
+
+ if (!name) {
+ av_log(NULL, AV_LOG_ERROR, "No codec name specified.\n");
+ return;
+ }
+
+ codec = encoder ? avcodec_find_encoder_by_name(name) :
+ avcodec_find_decoder_by_name(name);
+
+ if (codec)
+ print_codec(codec);
+ else if ((desc = avcodec_descriptor_get_by_name(name))) {
+ int printed = 0;
+
+ while ((codec = next_codec_for_id(desc->id, codec, encoder))) {
+ printed = 1;
+ print_codec(codec);
+ }
+
+ if (!printed) {
+ av_log(NULL, AV_LOG_ERROR, "Codec '%s' is known to Libav, "
+ "but no %s for it are available. Libav might need to be "
+ "recompiled with additional external libraries.\n",
+ name, encoder ? "encoders" : "decoders");
+ }
+ } else {
+ av_log(NULL, AV_LOG_ERROR, "Codec '%s' is not recognized by Libav.\n",
+ name);
+ }
+}
+
+static void show_help_demuxer(const char *name)
+{
+ const AVInputFormat *fmt = av_find_input_format(name);
+
+ if (!fmt) {
+ av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
+ return;
+ }
+
+ printf("Demuxer %s [%s]:\n", fmt->name, fmt->long_name);
+
+ if (fmt->extensions)
+ printf(" Common extensions: %s.\n", fmt->extensions);
+
+ if (fmt->priv_class)
+ show_help_children(fmt->priv_class, AV_OPT_FLAG_DECODING_PARAM);
+}
+
+static void show_help_muxer(const char *name)
+{
+ const AVCodecDescriptor *desc;
+ const AVOutputFormat *fmt = av_guess_format(name, NULL, NULL);
+
+ if (!fmt) {
+ av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
+ return;
+ }
+
+ printf("Muxer %s [%s]:\n", fmt->name, fmt->long_name);
+
+ if (fmt->extensions)
+ printf(" Common extensions: %s.\n", fmt->extensions);
+ if (fmt->mime_type)
+ printf(" Mime type: %s.\n", fmt->mime_type);
+ if (fmt->video_codec != AV_CODEC_ID_NONE &&
+ (desc = avcodec_descriptor_get(fmt->video_codec))) {
+ printf(" Default video codec: %s.\n", desc->name);
+ }
+ if (fmt->audio_codec != AV_CODEC_ID_NONE &&
+ (desc = avcodec_descriptor_get(fmt->audio_codec))) {
+ printf(" Default audio codec: %s.\n", desc->name);
+ }
+ if (fmt->subtitle_codec != AV_CODEC_ID_NONE &&
+ (desc = avcodec_descriptor_get(fmt->subtitle_codec))) {
+ printf(" Default subtitle codec: %s.\n", desc->name);
+ }
+
+ if (fmt->priv_class)
+ show_help_children(fmt->priv_class, AV_OPT_FLAG_ENCODING_PARAM);
+}
+
+int show_help(void *optctx, const char *opt, const char *arg)
+{
+ char *topic, *par;
+ av_log_set_callback(log_callback_help);
+
+ topic = av_strdup(arg ? arg : "");
+ par = strchr(topic, '=');
+ if (par)
+ *par++ = 0;
+
+ if (!*topic) {
+ show_help_default(topic, par);
+ } else if (!strcmp(topic, "decoder")) {
+ show_help_codec(par, 0);
+ } else if (!strcmp(topic, "encoder")) {
+ show_help_codec(par, 1);
+ } else if (!strcmp(topic, "demuxer")) {
+ show_help_demuxer(par);
+ } else if (!strcmp(topic, "muxer")) {
+ show_help_muxer(par);
+ } else {
+ show_help_default(topic, par);
+ }
+
+ av_freep(&topic);
+ return 0;
+}
+
int read_yesno(void)
{
int c = getchar();
- int yesno = (toupper(c) == 'Y');
+ int yesno = (av_toupper(c) == 'Y');
while (c != '\n' && c != EOF)
c = getchar();
ret = AVERROR_EOF;
} else {
ret = 0;
- (*bufptr)[*size++] = '\0';
+ (*bufptr)[(*size)++] = '\0';
}
fclose(f);
return AVERROR(EINVAL);
}
-AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id,
- AVFormatContext *s, AVStream *st)
+AVDictionary *filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id,
+ AVFormatContext *s, AVStream *st, AVCodec *codec)
{
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;
+ codec = s->oformat ? avcodec_find_encoder(codec_id)
+ : avcodec_find_decoder(codec_id);
- switch (codec->type) {
+ switch (st->codec->codec_type) {
case AVMEDIA_TYPE_VIDEO:
prefix = 'v';
flags |= AV_OPT_FLAG_VIDEO_PARAM;
}
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]);
+ s, s->streams[i], NULL);
return opts;
}
{
if (new_size >= INT_MAX / elem_size) {
av_log(NULL, AV_LOG_ERROR, "Array too big.\n");
- exit_program(1);
+ exit(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);
+ exit(1);
}
memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
*size = new_size;
}
return array;
}
-
-static int alloc_buffer(FrameBuffer **pool, AVCodecContext *s, FrameBuffer **pbuf)
-{
- FrameBuffer *buf = av_mallocz(sizeof(*buf));
- int i, ret;
- const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
- int h_chroma_shift, v_chroma_shift;
- int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
- int w = s->width, h = s->height;
-
- if (!buf)
- return AVERROR(ENOMEM);
-
- if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
- w += 2*edge;
- h += 2*edge;
- }
-
- avcodec_align_dimensions(s, &w, &h);
- if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
- s->pix_fmt, 32)) < 0) {
- av_freep(&buf);
- return ret;
- }
- /* XXX this shouldn't be needed, but some tests break without this line
- * those decoders are buggy and need to be fixed.
- * the following tests fail:
- * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
- */
- memset(buf->base[0], 128, ret);
-
- avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
- for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
- const int h_shift = i==0 ? 0 : h_chroma_shift;
- const int v_shift = i==0 ? 0 : v_chroma_shift;
- if (s->flags & CODEC_FLAG_EMU_EDGE)
- buf->data[i] = buf->base[i];
- else
- buf->data[i] = buf->base[i] +
- FFALIGN((buf->linesize[i]*edge >> v_shift) +
- (pixel_size*edge >> h_shift), 32);
- }
- buf->w = s->width;
- buf->h = s->height;
- buf->pix_fmt = s->pix_fmt;
- buf->pool = pool;
-
- *pbuf = buf;
- return 0;
-}
-
-int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
-{
- FrameBuffer **pool = s->opaque;
- FrameBuffer *buf;
- int ret, i;
-
- if (!*pool && (ret = alloc_buffer(pool, s, pool)) < 0)
- return ret;
-
- buf = *pool;
- *pool = buf->next;
- buf->next = NULL;
- if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
- av_freep(&buf->base[0]);
- av_free(buf);
- if ((ret = alloc_buffer(pool, s, &buf)) < 0)
- return ret;
- }
- buf->refcount++;
-
- frame->opaque = buf;
- frame->type = FF_BUFFER_TYPE_USER;
- frame->extended_data = frame->data;
- frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
- frame->width = buf->w;
- frame->height = buf->h;
- frame->format = buf->pix_fmt;
- frame->sample_aspect_ratio = s->sample_aspect_ratio;
-
- for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
- frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
- frame->data[i] = buf->data[i];
- frame->linesize[i] = buf->linesize[i];
- }
-
- return 0;
-}
-
-static void unref_buffer(FrameBuffer *buf)
-{
- FrameBuffer **pool = buf->pool;
-
- av_assert0(buf->refcount);
- buf->refcount--;
- if (!buf->refcount) {
- buf->next = *pool;
- *pool = buf;
- }
-}
-
-void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
-{
- FrameBuffer *buf = frame->opaque;
- int i;
-
- for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
- frame->data[i] = NULL;
-
- unref_buffer(buf);
-}
-
-void filter_release_buffer(AVFilterBuffer *fb)
-{
- FrameBuffer *buf = fb->priv;
- av_free(fb);
- unref_buffer(buf);
-}
-
-void free_buffer_pool(FrameBuffer **pool)
-{
- FrameBuffer *buf = *pool;
- while (buf) {
- *pool = buf->next;
- av_freep(&buf->base[0]);
- av_free(buf);
- buf = *pool;
- }
-}
projects / ffmpeg / blobdiff