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\n", 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");
}
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_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 !!(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)
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];
return AVERROR_OPTION_NOT_FOUND;
}
-int opt_loglevel(const char *opt, const char *arg)
+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);
print_all_libs_info(INDENT|SHOW_VERSION, AV_LOG_VERBOSE);
}
-int show_version(const char *opt, const char *arg)
+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);
return 0;
}
-int show_license(const char *opt, const char *arg)
+int show_license(void *optctx, const char *opt, const char *arg)
{
printf(
#if CONFIG_NONFREE
return 0;
}
-int show_formats(const char *opt, const char *arg)
+int show_formats(void *optctx, const char *opt, const char *arg)
{
AVInputFormat *ifmt = NULL;
AVOutputFormat *ofmt = NULL;
return 0;
}
+#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)
+{
+ 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) {
printf(")");
}
-int show_codecs(const char *opt, const char *arg)
+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"
- " ...I = Intra frame-only codec\n"
- " -----\n");
+ " D..... = Decoding supported\n"
+ " .E.... = Encoding supported\n"
+ " ..V... = Video codec\n"
+ " ..A... = Audio codec\n"
+ " ..S... = Subtitle codec\n"
+ " ...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("%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 : "");
}
}
-int show_decoders(const char *opt, const char *arg)
+int show_decoders(void *optctx, const char *opt, const char *arg)
{
print_codecs(0);
return 0;
}
-int show_encoders(const char *opt, const char *arg)
+int show_encoders(void *optctx, const char *opt, const char *arg)
{
print_codecs(1);
return 0;
}
-int show_bsfs(const char *opt, const char *arg)
+int show_bsfs(void *optctx, const char *opt, const char *arg)
{
AVBitStreamFilter *bsf = NULL;
return 0;
}
-int show_protocols(const char *opt, const char *arg)
+int show_protocols(void *optctx, const char *opt, const char *arg)
{
void *opaque = NULL;
const char *name;
return 0;
}
-int show_filters(const char *opt, const char *arg)
+int show_filters(void *optctx, const char *opt, const char *arg)
{
AVFilter av_unused(**filter) = NULL;
return 0;
}
-int show_pix_fmts(const char *opt, const char *arg)
+int show_pix_fmts(void *optctx, const char *opt, const char *arg)
{
- enum PixelFormat pix_fmt;
+ enum AVPixelFormat pix_fmt;
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++) {
+ for (pix_fmt = 0; pix_fmt < AV_PIX_FMT_NB; pix_fmt++) {
const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[pix_fmt];
printf("%c%c%c%c%c %-16s %d %2d\n",
sws_isSupportedInput (pix_fmt) ? 'I' : '.',
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();
{
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;
const int v_shift = i==0 ? 0 : v_chroma_shift;
if (s->flags & CODEC_FLAG_EMU_EDGE)
buf->data[i] = buf->base[i];
- else
+ else if (buf->base[i])
buf->data[i] = buf->base[i] +
FFALIGN((buf->linesize[i]*edge >> v_shift) +
(pixel_size*edge >> h_shift), 32);