Merge remote-tracking branch 'cigaes/master'

* cigaes/master:
  lavfi/drawtext: allow to format pts as HH:MM:SS.mmm.
  lavf/concatdec: implement automatic conversions.
  lavf/concatdec: reindent after last commit.
  lavf/concatdec: always do stream matching.
  lavf/concatdec: check match_streams() return value.
  lavf/concatdec: use a structure for each stream.
  ffprobe: use the codec descriptor if no decoder was found.
  lavf/matroska: add "binary" pseudo-MIME type.
  lavc: minor bump and APIchanges for AVCodecDescriptor.mime_types.
  lavc: add a mime_types field to codec descriptors.
  lavc: add AV_CODEC_ID_BIN_DATA.
  lavc: add codec descriptors for TTF and OTF.
  lavc: add codec descriptors for deprecated ids.
  lavc/codec_desc: add separation comment.
  tools/ffhash: implement base64 output.
  tools/ffhash: use av_hash_final_hex().
  lavu/hash: add hash_final helpers.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

doc/APIchanges

@@ -15,6 +15,12 @@ libavutil:     2012-10-22
 
 API changes, most recent first:
 
+2014-04-29 - 1bf6396 - lavc 55.60.100 - avcodec.h
+  Add AVCodecDescriptor.mime_types field.
+
+2014-04-29 - xxxxxxx - lavu 52.80.0 - hash.h
+  Add av_hash_final_bin(), av_hash_final_hex() and av_hash_final_b64().
+
 2014-03-07 - 8b2a130 - lavc 55.50.0 / 55.53.100 - dxva2.h
   Add FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO for old Intel GPUs.
 

doc/demuxers.texi

@@ -128,6 +128,14 @@ If set to 0, any file name is accepted.
 The default is -1, it is equivalent to 1 if the format was automatically
 probed and 0 otherwise.
 
+@item auto_convert
+If set to 1, try to perform automatic conversions on packet data to make the
+streams concatenable.
+
+Currently, the only conversion is adding the h264_mp4toannexb bitstream
+filter to H.264 streams in MP4 format. This is necessary in particular if
+there are resolution changes.
+
 @end table
 
 @section flv

doc/filters.texi

@@ -3850,7 +3850,14 @@ The frame number, starting from 0.
 A 1 character description of the current picture type.
 
 @item pts
-The timestamp of the current frame, in seconds, with microsecond accuracy.
+The timestamp of the current frame.
+It can take up to two arguments.
+
+The first argument is the format of the timestamp; it defaults to @code{flt}
+for seconds as a decimal number with microsecond accuracy; @code{hms} stands
+for a formatted @var{[-]HH:MM:SS.mmm} timestamp with millisecond accuracy.
+
+The second argument is an offset added to the timestamp.
 
 @end table
 

ffprobe.c

@@ -1976,6 +1976,7 @@ static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_id
     const char *s;
     AVRational sar, dar;
     AVBPrint pbuf;
+    const AVCodecDescriptor *cd;
     int ret = 0;
 
     av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
@@ -1993,6 +1994,12 @@ static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_id
                 if (dec->long_name) print_str    ("codec_long_name", dec->long_name);
                 else                print_str_opt("codec_long_name", "unknown");
             }
+        } else if ((cd = avcodec_descriptor_get(stream->codec->codec_id))) {
+            print_str_opt("codec_name", cd->name);
+            if (!do_bitexact) {
+                print_str_opt("codec_long_name",
+                              cd->long_name ? cd->long_name : "unknown");
+            }
         } else {
             print_str_opt("codec_name", "unknown");
             if (!do_bitexact) {

libavcodec/avcodec.h

@@ -533,6 +533,7 @@ enum AVCodecID {
     AV_CODEC_ID_SMPTE_KLV  = MKBETAG('K','L','V','A'),
     AV_CODEC_ID_DVD_NAV    = MKBETAG('D','N','A','V'),
     AV_CODEC_ID_TIMED_ID3  = MKBETAG('T','I','D','3'),
+    AV_CODEC_ID_BIN_DATA   = MKBETAG('D','A','T','A'),
 
 
     AV_CODEC_ID_PROBE = 0x19000, ///< codec_id is not known (like AV_CODEC_ID_NONE) but lavf should attempt to identify it
@@ -570,6 +571,13 @@ typedef struct AVCodecDescriptor {
      * Codec properties, a combination of AV_CODEC_PROP_* flags.
      */
     int             props;
+
+    /**
+     * MIME type(s) associated with the codec.
+     * May be NULL; if not, a NULL-terminated array of MIME types.
+     * The first item is always non-NULL and is the prefered MIME type.
+     */
+    const char *const *mime_types;
 } AVCodecDescriptor;
 
 /**

libavcodec/version.h

@@ -29,8 +29,8 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 55
-#define LIBAVCODEC_VERSION_MINOR  59
-#define LIBAVCODEC_VERSION_MICRO 101
+#define LIBAVCODEC_VERSION_MINOR  60
+#define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \

libavfilter/vf_drawtext.c

@@ -699,8 +699,41 @@ static int func_pts(AVFilterContext *ctx, AVBPrint *bp,
                     char *fct, unsigned argc, char **argv, int tag)
 {
     DrawTextContext *s = ctx->priv;
+    const char *fmt;
+    double pts = s->var_values[VAR_T];
+    int ret;
 
-    av_bprintf(bp, "%.6f", s->var_values[VAR_T]);
+    fmt = argc >= 1 ? argv[0] : "flt";
+    if (argc >= 2) {
+        int64_t delta;
+        if ((ret = av_parse_time(&delta, argv[1], 1)) < 0) {
+            av_log(ctx, AV_LOG_ERROR, "Invalid delta '%s'\n", argv[1]);
+            return ret;
+        }
+        pts += (double)delta / AV_TIME_BASE;
+    }
+    if (!strcmp(fmt, "flt")) {
+        av_bprintf(bp, "%.6f", s->var_values[VAR_T]);
+    } else if (!strcmp(fmt, "hms")) {
+        if (isnan(pts)) {
+            av_bprintf(bp, " ??:??:??.???");
+        } else {
+            int64_t ms = round(pts * 1000);
+            char sign = ' ';
+            if (ms < 0) {
+                sign = '-';
+                ms = -ms;
+            }
+            av_bprintf(bp, "%c%02d:%02d:%02d.%03d", sign,
+                       (int)(ms / (60 * 60 * 1000)),
+                       (int)(ms / (60 * 1000)) % 60,
+                       (int)(ms / 1000) % 60,
+                       (int)ms % 1000);
+        }
+    } else {
+        av_log(ctx, AV_LOG_ERROR, "Invalid format '%s'\n", fmt);
+        return AVERROR(EINVAL);
+    }
     return 0;
 }
 
@@ -776,7 +809,7 @@ static const struct drawtext_function {
     { "expr",      1, 1, 0,   func_eval_expr },
     { "e",         1, 1, 0,   func_eval_expr },
     { "pict_type", 0, 0, 0,   func_pict_type },
-    { "pts",       0, 0, 0,   func_pts      },
+    { "pts",       0, 2, 0,   func_pts      },
     { "gmtime",    0, 1, 'G', func_strftime },
     { "localtime", 0, 1, 'L', func_strftime },
     { "frame_num", 0, 0, 0,   func_frame_num },

libavformat/concatdec.c

@@ -18,19 +18,31 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
+#include "libavutil/intreadwrite.h"
 #include "libavutil/opt.h"
 #include "libavutil/parseutils.h"
 #include "avformat.h"
 #include "internal.h"
 #include "url.h"
 
+typedef enum ConcatMatchMode {
+    MATCH_ONE_TO_ONE,
+    MATCH_EXACT_ID,
+} ConcatMatchMode;
+
+typedef struct ConcatStream {
+    AVBitStreamFilterContext *bsf;
+    int out_stream_index;
+} ConcatStream;
+
 typedef struct {
     char *url;
     int64_t start_time;
     int64_t duration;
-    int *stream_map;
-    int stream_map_size;
+    ConcatStream *streams;
+    int nb_streams;
 } ConcatFile;
 
 typedef struct {
@@ -41,7 +53,8 @@ typedef struct {
     AVFormatContext *avf;
     int safe;
     int seekable;
-    int match_streams;
+    ConcatMatchMode stream_match_mode;
+    unsigned auto_convert;
 } ConcatContext;
 
 static int concat_probe(AVProbeData *probe)
@@ -141,6 +154,17 @@ static int copy_stream_props(AVStream *st, AVStream *source_st)
 {
     int ret;
 
+    if (st->codec->codec_id || !source_st->codec->codec_id) {
+        if (st->codec->extradata_size < source_st->codec->extradata_size) {
+            ret = ff_alloc_extradata(st->codec,
+                                     source_st->codec->extradata_size);
+            if (ret < 0)
+                return ret;
+        }
+        memcpy(st->codec->extradata, source_st->codec->extradata,
+               source_st->codec->extradata_size);
+        return 0;
+    }
     if ((ret = avcodec_copy_context(st->codec, source_st->codec)) < 0)
         return ret;
     st->r_frame_rate        = source_st->r_frame_rate;
@@ -150,38 +174,103 @@ static int copy_stream_props(AVStream *st, AVStream *source_st)
     return 0;
 }
 
-static int match_streams(AVFormatContext *avf)
+static int detect_stream_specific(AVFormatContext *avf, int idx)
+{
+    ConcatContext *cat = avf->priv_data;
+    AVStream *st = cat->avf->streams[idx];
+    ConcatStream *cs = &cat->cur_file->streams[idx];
+    AVBitStreamFilterContext *bsf;
+
+    if (cat->auto_convert && st->codec->codec_id == AV_CODEC_ID_H264 &&
+        (st->codec->extradata_size < 4 || AV_RB32(st->codec->extradata) != 1)) {
+        av_log(cat->avf, AV_LOG_INFO,
+               "Auto-inserting h264_mp4toannexb bitstream filter\n");
+        if (!(bsf = av_bitstream_filter_init("h264_mp4toannexb"))) {
+            av_log(avf, AV_LOG_ERROR, "h264_mp4toannexb bitstream filter "
+                   "required for H.264 streams\n");
+            return AVERROR_BSF_NOT_FOUND;
+        }
+        cs->bsf = bsf;
+    }
+    return 0;
+}
+
+static int match_streams_one_to_one(AVFormatContext *avf)
 {
     ConcatContext *cat = avf->priv_data;
     AVStream *st;
-    int *map, i, j, ret;
+    int i, ret;
 
-    if (!cat->match_streams ||
-        cat->cur_file->stream_map_size >= cat->avf->nb_streams)
-        return 0;
-    map = av_realloc(cat->cur_file->stream_map,
-                     cat->avf->nb_streams * sizeof(*map));
-    if (!map)
-        return AVERROR(ENOMEM);
-    cat->cur_file->stream_map = map;
+    for (i = cat->cur_file->nb_streams; i < cat->avf->nb_streams; i++) {
+        if (i < avf->nb_streams) {
+            st = avf->streams[i];
+        } else {
+            if (!(st = avformat_new_stream(avf, NULL)))
+                return AVERROR(ENOMEM);
+        }
+        if ((ret = copy_stream_props(st, cat->avf->streams[i])) < 0)
+            return ret;
+        cat->cur_file->streams[i].out_stream_index = i;
+    }
+    return 0;
+}
+
+static int match_streams_exact_id(AVFormatContext *avf)
+{
+    ConcatContext *cat = avf->priv_data;
+    AVStream *st;
+    int i, j, ret;
 
-    for (i = cat->cur_file->stream_map_size; i < cat->avf->nb_streams; i++) {
+    for (i = cat->cur_file->nb_streams; i < cat->avf->nb_streams; i++) {
         st = cat->avf->streams[i];
-        map[i] = -1;
         for (j = 0; j < avf->nb_streams; j++) {
             if (avf->streams[j]->id == st->id) {
                 av_log(avf, AV_LOG_VERBOSE,
                        "Match slave stream #%d with stream #%d id 0x%x\n",
                        i, j, st->id);
-                map[i] = j;
-                if (!avf->streams[j]->codec->codec_id && st->codec->codec_id)
-                    if ((ret = copy_stream_props(avf->streams[j], st)) < 0)
-                        return ret;
+                if ((ret = copy_stream_props(avf->streams[j], st)) < 0)
+                    return ret;
+                cat->cur_file->streams[i].out_stream_index = j;
             }
         }
     }
+    return 0;
+}
 
-    cat->cur_file->stream_map_size = cat->avf->nb_streams;
+static int match_streams(AVFormatContext *avf)
+{
+    ConcatContext *cat = avf->priv_data;
+    ConcatStream *map;
+    int i, ret;
+
+    if (cat->cur_file->nb_streams >= cat->avf->nb_streams)
+        return 0;
+    map = av_realloc(cat->cur_file->streams,
+                     cat->avf->nb_streams * sizeof(*map));
+    if (!map)
+        return AVERROR(ENOMEM);
+    cat->cur_file->streams = map;
+    memset(map + cat->cur_file->nb_streams, 0,
+           (cat->avf->nb_streams - cat->cur_file->nb_streams) * sizeof(*map));
+
+    for (i = cat->cur_file->nb_streams; i < cat->avf->nb_streams; i++)
+        map[i].out_stream_index = -1;
+    switch (cat->stream_match_mode) {
+    case MATCH_ONE_TO_ONE:
+        ret = match_streams_one_to_one(avf);
+        break;
+    case MATCH_EXACT_ID:
+        ret = match_streams_exact_id(avf);
+        break;
+    default:
+        ret = AVERROR_BUG;
+    }
+    if (ret < 0)
+        return ret;
+    for (i = cat->cur_file->nb_streams; i < cat->avf->nb_streams; i++)
+        if ((ret = detect_stream_specific(avf, i)) < 0)
+            return ret;
+    cat->cur_file->nb_streams = cat->avf->nb_streams;
     return 0;
 }
 
@@ -222,8 +311,10 @@ static int concat_read_close(AVFormatContext *avf)
 
     if (cat->avf)
         avformat_close_input(&cat->avf);
-    for (i = 0; i < cat->nb_files; i++)
+    for (i = 0; i < cat->nb_files; i++) {
         av_freep(&cat->files[i].url);
+        av_freep(&cat->files[i].streams);
+    }
     av_freep(&cat->files);
     return 0;
 }
@@ -236,7 +327,6 @@ static int concat_read_header(AVFormatContext *avf)
     int ret, line = 0, i;
     unsigned nb_files_alloc = 0;
     ConcatFile *file = NULL;
-    AVStream *st;
     int64_t time = 0;
 
     while (1) {
@@ -315,18 +405,10 @@ static int concat_read_header(AVFormatContext *avf)
         cat->seekable = 1;
     }
 
-    cat->match_streams = !!avf->nb_streams;
+    cat->stream_match_mode = avf->nb_streams ? MATCH_EXACT_ID :
+                                               MATCH_ONE_TO_ONE;
     if ((ret = open_file(avf, 0)) < 0)
         FAIL(ret);
-    if (!cat->match_streams) {
-        for (i = 0; i < cat->avf->nb_streams; i++) {
-            if (!(st = avformat_new_stream(avf, NULL)))
-                FAIL(AVERROR(ENOMEM));
-            if ((ret = copy_stream_props(st, cat->avf->streams[i])) < 0)
-                FAIL(ret);
-        }
-    }
-
     return 0;
 
 fail:
@@ -347,11 +429,52 @@ static int open_next_file(AVFormatContext *avf)
     return open_file(avf, fileno);
 }
 
+static int filter_packet(AVFormatContext *avf, ConcatStream *cs, AVPacket *pkt)
+{
+    AVStream *st = avf->streams[cs->out_stream_index];
+    AVBitStreamFilterContext *bsf;
+    AVPacket pkt2;
+    int ret;
+
+    av_assert0(cs->out_stream_index >= 0);
+    for (bsf = cs->bsf; bsf; bsf = bsf->next) {
+        pkt2 = *pkt;
+        ret = av_bitstream_filter_filter(bsf, st->codec, NULL,
+                                         &pkt2.data, &pkt2.size,
+                                         pkt->data, pkt->size,
+                                         !!(pkt->flags & AV_PKT_FLAG_KEY));
+        if (ret < 0) {
+            av_packet_unref(pkt);
+            return ret;
+        }
+        av_assert0(pkt2.buf);
+        if (ret == 0 && pkt2.data != pkt->data) {
+            if ((ret = av_copy_packet(&pkt2, pkt)) < 0) {
+                av_free(pkt2.data);
+                return ret;
+            }
+            ret = 1;
+        }
+        if (ret > 0) {
+            av_free_packet(pkt);
+            pkt2.buf = av_buffer_create(pkt2.data, pkt2.size,
+                                        av_buffer_default_free, NULL, 0);
+            if (!pkt2.buf) {
+                av_free(pkt2.data);
+                return AVERROR(ENOMEM);
+            }
+        }
+        *pkt = pkt2;
+    }
+    return 0;
+}
+
 static int concat_read_packet(AVFormatContext *avf, AVPacket *pkt)
 {
     ConcatContext *cat = avf->priv_data;
     int ret;
     int64_t delta;
+    ConcatStream *cs;
 
     while (1) {
         ret = av_read_frame(cat->avf, pkt);
@@ -362,16 +485,20 @@ static int concat_read_packet(AVFormatContext *avf, AVPacket *pkt)
         }
         if (ret < 0)
             return ret;
-        if (cat->match_streams) {
-            match_streams(avf);
-            pkt->stream_index = cat->cur_file->stream_map[pkt->stream_index];
-            if (pkt->stream_index < 0) {
-                av_packet_unref(pkt);
-                continue;
-            }
+        if ((ret = match_streams(avf)) < 0) {
+            av_packet_unref(pkt);
+            return ret;
+        }
+        cs = &cat->cur_file->streams[pkt->stream_index];
+        if (cs->out_stream_index < 0) {
+            av_packet_unref(pkt);
+            continue;
         }
+        pkt->stream_index = cs->out_stream_index;
         break;
     }
+    if ((ret = filter_packet(avf, cs, pkt)))
+        return ret;
 
     delta = av_rescale_q(cat->cur_file->start_time - cat->avf->start_time,
                          AV_TIME_BASE_Q,
@@ -478,6 +605,8 @@ static int concat_seek(AVFormatContext *avf, int stream,
 static const AVOption options[] = {
     { "safe", "enable safe mode",
       OFFSET(safe), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, DEC },
+    { "auto_convert", "automatically convert bitstream format",
+      OFFSET(auto_convert), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, DEC },
     { NULL }
 };
 

libavformat/matroska.c

@@ -113,6 +113,7 @@ const CodecMime ff_mkv_mime_tags[] = {
     {"application/x-truetype-font", AV_CODEC_ID_TTF},
     {"application/x-font"         , AV_CODEC_ID_TTF},
     {"application/vnd.ms-opentype", AV_CODEC_ID_OTF},
+    {"binary"                     , AV_CODEC_ID_BIN_DATA},
 
     {""                           , AV_CODEC_ID_NONE}
 };

libavutil/hash.c

@@ -29,6 +29,7 @@
 #include "sha512.h"
 
 #include "avstring.h"
+#include "base64.h"
 #include "error.h"
 #include "intreadwrite.h"
 #include "mem.h"
@@ -196,6 +197,40 @@ void av_hash_final(AVHashContext *ctx, uint8_t *dst)
     }
 }
 
+void av_hash_final_bin(struct AVHashContext *ctx, uint8_t *dst, int size)
+{
+    uint8_t buf[AV_HASH_MAX_SIZE];
+    unsigned rsize = av_hash_get_size(ctx);
+
+    av_hash_final(ctx, buf);
+    memcpy(dst, buf, FFMIN(size, rsize));
+    if (size > rsize)
+        memset(dst + rsize, 0, size - rsize);
+}
+
+void av_hash_final_hex(struct AVHashContext *ctx, uint8_t *dst, int size)
+{
+    uint8_t buf[AV_HASH_MAX_SIZE];
+    unsigned rsize = av_hash_get_size(ctx), i;
+
+    av_hash_final(ctx, buf);
+    for (i = 0; i < FFMIN(rsize, size / 2); i++)
+        snprintf(dst + i * 2, size - i * 2, "%02x", buf[i]);
+}
+
+void av_hash_final_b64(struct AVHashContext *ctx, uint8_t *dst, int size)
+{
+    uint8_t buf[AV_HASH_MAX_SIZE], b64[AV_BASE64_SIZE(AV_HASH_MAX_SIZE)];
+    unsigned rsize = av_hash_get_size(ctx), osize;
+
+    av_hash_final(ctx, buf);
+    av_base64_encode(b64, sizeof(b64), buf, rsize);
+    osize = AV_BASE64_SIZE(rsize);
+    memcpy(dst, b64, FFMIN(osize, size));
+    if (size < osize)
+        dst[size - 1] = 0;
+}
+
 void av_hash_freep(AVHashContext **ctx)
 {
     if (*ctx)

libavutil/hash.h

@@ -82,6 +82,28 @@ void av_hash_update(struct AVHashContext *ctx, const uint8_t *src, int len);
  */
 void av_hash_final(struct AVHashContext *ctx, uint8_t *dst);
 
+/**
+ * Finalize a hash context and compute the actual hash value.
+ * If size is smaller than the hash size, the hash is truncated;
+ * if size is larger, the buffer is padded with 0.
+ */
+void av_hash_final_bin(struct AVHashContext *ctx, uint8_t *dst, int size);
+
+/**
+ * Finalize a hash context and compute the actual hash value as a hex string.
+ * The string is always 0-terminated.
+ * If size is smaller than 2 * hash_size + 1, the hex string is truncated.
+ */
+void av_hash_final_hex(struct AVHashContext *ctx, uint8_t *dst, int size);
+
+/**
+ * Finalize a hash context and compute the actual hash value as a base64 string.
+ * The string is always 0-terminated.
+ * If size is smaller than AV_BASE64_SIZE(hash_size), the base64 string is
+ * truncated.
+ */
+void av_hash_final_b64(struct AVHashContext *ctx, uint8_t *dst, int size);
+
 /**
  * Free hash context.
  */

libavutil/version.h

@@ -56,7 +56,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  52
-#define LIBAVUTIL_VERSION_MINOR  79
+#define LIBAVUTIL_VERSION_MINOR  80
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

tools/ffhash.c

@@ -21,6 +21,7 @@
  */
 
 #include "config.h"
+#include "libavutil/avstring.h"
 #include "libavutil/error.h"
 #include "libavutil/hash.h"
 #include "libavutil/mem.h"
@@ -40,14 +41,14 @@
 #define SIZE 65536
 
 static struct AVHashContext *hash;
-static uint8_t *res;
+static int out_b64;
 
 static void usage(void)
 {
     int i = 0;
     const char *name;
 
-    printf("usage: ffhash [algorithm] [input]...\n");
+    printf("usage: ffhash [b64:]algorithm [input]...\n");
     printf("Supported hash algorithms:");
     do {
         name = av_hash_names(i);
@@ -60,12 +61,16 @@ static void usage(void)
 
 static void finish(void)
 {
-    int i, len = av_hash_get_size(hash);
-
-    printf("%s=0x", av_hash_get_name(hash));
-    av_hash_final(hash, res);
-    for (i = 0; i < len; i++)
-        printf("%02x", res[i]);
+    char res[2 * AV_HASH_MAX_SIZE + 4];
+
+    printf("%s=", av_hash_get_name(hash));
+    if (out_b64) {
+        av_hash_final_b64(hash, res, sizeof(res));
+        printf("b64:%s", res);
+    } else {
+        av_hash_final_hex(hash, res, sizeof(res));
+        printf("0x%s", res);
+    }
 }
 
 static int check(char *file)
@@ -113,16 +118,19 @@ int main(int argc, char **argv)
 {
     int i;
     int ret = 0;
+    const char *hash_name;
 
     if (argc == 1) {
         usage();
         return 0;
     }
 
-    if ((ret = av_hash_alloc(&hash, argv[1])) < 0) {
+    hash_name = argv[1];
+    out_b64 = av_strstart(hash_name, "b64:", &hash_name);
+    if ((ret = av_hash_alloc(&hash, hash_name)) < 0) {
         switch(ret) {
         case AVERROR(EINVAL):
-            printf("Invalid hash type: %s\n", argv[1]);
+            printf("Invalid hash type: %s\n", hash_name);
             break;
         case AVERROR(ENOMEM):
             printf("%s\n", strerror(errno));
@@ -130,11 +138,6 @@ int main(int argc, char **argv)
         }
         return 1;
     }
-    res = av_malloc(av_hash_get_size(hash));
-    if (!res) {
-        printf("%s\n", strerror(errno));
-        return 1;
-    }
 
     for (i = 2; i < argc; i++)
         ret |= check(argv[i]);
@@ -143,7 +146,6 @@ int main(int argc, char **argv)
         ret |= check(NULL);
 
     av_hash_freep(&hash);
-    av_freep(&res);
 
     return ret;
 }

tools/missing_codec_desc

@@ -14,7 +14,6 @@ known_AV_CODEC_ID_NONE=1
 known_AV_CODEC_ID_FIRST_AUDIO=1
 known_AV_CODEC_ID_FIRST_SUBTITLE=1
 known_AV_CODEC_ID_FIRST_UNKNOWN=1
-known_AV_CODEC_ID_TTF=1
 known_AV_CODEC_ID_PROBE=1
 known_AV_CODEC_ID_MPEG2TS=1
 known_AV_CODEC_ID_MPEG4SYSTEMS=1