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-rw-r--r--cmdutils.c174
1 files changed, 108 insertions, 66 deletions
diff --git a/cmdutils.c b/cmdutils.c
index ae59f7953c..b017490f3f 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -632,81 +632,123 @@ void show_formats(void)
}
}
+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(")");
+}
+
void show_codecs(void)
{
- AVCodec *p = NULL, *p2;
- const char *last_name;
+ 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;
+ " 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");
+ 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(" %-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");
+}
+
+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(const char *opt, const char *arg)
+{
+ print_codecs(0);
+ return 0;
+}
+
+int show_encoders(const char *opt, const char *arg)
+{
+ print_codecs(1);
+ return 0;
}
void show_bsfs(void)