Fix all -Wformat warnings raised by DJGPP

24 files changed, 59 insertions, 51 deletions

diff --git a/libavformat/aadec.c b/libavformat/aadec.c
index 39dea40b80..8d39b1d9ba 100644
--- a/libavformat/aadec.c
+++ b/libavformat/aadec.c
@@ -112,7 +112,8 @@ static int aa_read_header(AVFormatContext *s)
             header_seed = atoi(val);
         } else if (!strcmp(key, "HeaderKey")) { // this looks like "1234567890 1234567890 1234567890 1234567890"
             av_log(s, AV_LOG_DEBUG, "HeaderKey is <%s>\n", val);
-            sscanf(val, "%u%u%u%u", &header_key_part[0], &header_key_part[1], &header_key_part[2], &header_key_part[3]);
+            sscanf(val, "%"SCNu32"%"SCNu32"%"SCNu32"%"SCNu32,
+                   &header_key_part[0], &header_key_part[1], &header_key_part[2], &header_key_part[3]);
             for (idx = 0; idx < 4; idx++) {
                 AV_WB32(&header_key[idx * 4], header_key_part[idx]); // convert each part to BE!
             }
diff --git a/libavformat/apngdec.c b/libavformat/apngdec.c
index e1ea29b713..ffff03710a 100644
--- a/libavformat/apngdec.c
+++ b/libavformat/apngdec.c
@@ -404,7 +404,7 @@ static int apng_read_packet(AVFormatContext *s, AVPacket *pkt)
             return ret;
         return 0;
     default:
-        avpriv_request_sample(s, "In-stream tag=%s (0x%08X) len=%"PRIu32,
+        avpriv_request_sample(s, "In-stream tag=%s (0x%08"PRIX32") len=%"PRIu32,
                               av_fourcc2str(tag), tag, len);
         avio_skip(pb, len + 4);
     }
diff --git a/libavformat/astdec.c b/libavformat/astdec.c
index 7a53d0bb70..4ba08c2180 100644
--- a/libavformat/astdec.c
+++ b/libavformat/astdec.c
@@ -102,7 +102,7 @@ static int ast_read_packet(AVFormatContext *s, AVPacket *pkt)
         pkt->stream_index = 0;
         pkt->pos = pos;
     } else {
-        av_log(s, AV_LOG_ERROR, "unknown chunk %x\n", type);
+        av_log(s, AV_LOG_ERROR, "unknown chunk %"PRIx32"\n", type);
         avio_skip(s->pb, size);
         ret = AVERROR_INVALIDDATA;
     }
diff --git a/libavformat/brstm.c b/libavformat/brstm.c
index 2e1cada158..87690e3f73 100644
--- a/libavformat/brstm.c
+++ b/libavformat/brstm.c
@@ -230,7 +230,7 @@ static int read_header(AVFormatContext *s)
     b->current_block = 0;
     b->block_count = read32(s);
     if (b->block_count > UINT16_MAX) {
-        av_log(s, AV_LOG_WARNING, "too many blocks: %u\n", b->block_count);
+        av_log(s, AV_LOG_WARNING, "too many blocks: %"PRIu32"\n", b->block_count);
         return AVERROR_INVALIDDATA;
     }
 
diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index 1f31968ab9..6232c70da2 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -134,7 +134,7 @@ static void set_codec_str(AVFormatContext *s, AVCodecParameters *par,
         tags[0] = ff_mp4_obj_type;
         oti = av_codec_get_tag(tags, par->codec_id);
         if (oti)
-            av_strlcatf(str, size, ".%02x", oti);
+            av_strlcatf(str, size, ".%02"PRIx32, oti);
         else
             return;
 
diff --git a/libavformat/dump.c b/libavformat/dump.c
index 3e6218303d..7c811ce5d2 100644
--- a/libavformat/dump.c
+++ b/libavformat/dump.c
@@ -421,7 +421,8 @@ static void dump_sidedata(void *ctx, AVStream *st, const char *indent)
             dump_audioservicetype(ctx, &sd);
             break;
         case AV_PKT_DATA_QUALITY_STATS:
-            av_log(ctx, AV_LOG_INFO, "quality factor: %d, pict_type: %c", AV_RL32(sd.data), av_get_picture_type_char(sd.data[4]));
+            av_log(ctx, AV_LOG_INFO, "quality factor: %"PRId32", pict_type: %c",
+                   AV_RL32(sd.data), av_get_picture_type_char(sd.data[4]));
             break;
         case AV_PKT_DATA_CPB_PROPERTIES:
             av_log(ctx, AV_LOG_INFO, "cpb: ");
diff --git a/libavformat/framecrcenc.c b/libavformat/framecrcenc.c
index 91bcdcd99e..a567b5299c 100644
--- a/libavformat/framecrcenc.c
+++ b/libavformat/framecrcenc.c
@@ -68,7 +68,7 @@ static int framecrc_write_packet(struct AVFormatContext *s, AVPacket *pkt)
                                                   pkt->side_data[i].data,
                                                   pkt->side_data[i].size);
             }
-            av_strlcatf(buf, sizeof(buf), ", %8d, 0x%08x", pkt->side_data[i].size, side_data_crc);
+            av_strlcatf(buf, sizeof(buf), ", %8d, 0x%08"PRIx32, pkt->side_data[i].size, side_data_crc);
         }
     }
     av_strlcatf(buf, sizeof(buf), "\n");
diff --git a/libavformat/ircamdec.c b/libavformat/ircamdec.c
index a6b7a280f3..d376ffef63 100644
--- a/libavformat/ircamdec.c
+++ b/libavformat/ircamdec.c
@@ -94,7 +94,7 @@ static int ircam_read_header(AVFormatContext *s)
 
     st->codecpar->codec_id = ff_codec_get_id(tags, tag);
     if (st->codecpar->codec_id == AV_CODEC_ID_NONE) {
-        av_log(s, AV_LOG_ERROR, "unknown tag %X\n", tag);
+        av_log(s, AV_LOG_ERROR, "unknown tag %"PRIx32"\n", tag);
         return AVERROR_INVALIDDATA;
     }
 
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 14b85d0d25..127aec1d1d 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -412,7 +412,7 @@ retry:
                     key = c->meta_keys[index];
                 } else {
                     av_log(c->fc, AV_LOG_WARNING,
-                           "The index of 'data' is out of range: %d < 1 or >= %d.\n",
+                           "The index of 'data' is out of range: %"PRId32" < 1 or >= %d.\n",
                            index, c->meta_keys_count);
                 }
             }
@@ -686,7 +686,7 @@ static int mov_read_dref(MOVContext *c, AVIOContext *pb, MOVAtom atom)
                     avio_skip(pb, len);
             }
         } else {
-            av_log(c->fc, AV_LOG_DEBUG, "Unknown dref type 0x%08x size %d\n",
+            av_log(c->fc, AV_LOG_DEBUG, "Unknown dref type 0x%08"PRIx32" size %"PRIu32"\n",
                    dref->type, size);
             entries--;
             i--;
@@ -700,7 +700,7 @@ static int mov_read_hdlr(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 {
     AVStream *st;
     uint32_t type;
-    uint32_t av_unused ctype;
+    uint32_t ctype;
     int64_t title_size;
     char *title_str;
     int ret;
@@ -712,8 +712,8 @@ static int mov_read_hdlr(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     ctype = avio_rl32(pb);
     type = avio_rl32(pb); /* component subtype */
 
-    av_log(c->fc, AV_LOG_TRACE, "ctype= %.4s (0x%08x)\n", (char*)&ctype, ctype);
-    av_log(c->fc, AV_LOG_TRACE, "stype= %.4s\n", (char*)&type);
+    av_log(c->fc, AV_LOG_TRACE, "ctype=%s\n", av_fourcc2str(ctype));
+    av_log(c->fc, AV_LOG_TRACE, "stype=%s\n", av_fourcc2str(type));
 
     if (c->trak_index < 0) {  // meta not inside a trak
         if (type == MKTAG('m','d','t','a')) {
@@ -2284,8 +2284,8 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
         id = mov_codec_id(st, format);
 
         av_log(c->fc, AV_LOG_TRACE,
-               "size=%"PRId64" 4CC=%s/0x%08x codec_type=%d\n", size,
-               av_fourcc2str(format), format, st->codecpar->codec_type);
+               "size=%"PRId64" 4CC=%s codec_type=%d\n", size,
+               av_fourcc2str(format), st->codecpar->codec_type);
 
         if (st->codecpar->codec_type==AVMEDIA_TYPE_VIDEO) {
             st->codecpar->codec_id = id;
@@ -3816,7 +3816,7 @@ static int mov_read_keys(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     count = avio_rb32(pb);
     if (count > UINT_MAX / sizeof(*c->meta_keys) - 1) {
         av_log(c->fc, AV_LOG_ERROR,
-               "The 'keys' atom with the invalid key count: %d\n", count);
+               "The 'keys' atom with the invalid key count: %"PRIu32"\n", count);
         return AVERROR_INVALIDDATA;
     }
 
@@ -3830,7 +3830,8 @@ static int mov_read_keys(MOVContext *c, AVIOContext *pb, MOVAtom atom)
         uint32_t type = avio_rl32(pb);
         if (key_size < 8) {
             av_log(c->fc, AV_LOG_ERROR,
-                   "The key# %d in meta has invalid size: %d\n", i, key_size);
+                   "The key# %"PRIu32" in meta has invalid size:"
+                   "%"PRIu32"\n", i, key_size);
             return AVERROR_INVALIDDATA;
         }
         key_size -= 8;
@@ -5379,8 +5380,8 @@ static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom)
                 total_size += 8;
             }
         }
-        av_log(c->fc, AV_LOG_TRACE, "type: %08x '%.4s' parent:'%.4s' sz: %"PRId64" %"PRId64" %"PRId64"\n",
-                a.type, (char*)&a.type, (char*)&atom.type, a.size, total_size, atom.size);
+        av_log(c->fc, AV_LOG_TRACE, "type:'%s' parent:'%s' sz: %"PRId64" %"PRId64" %"PRId64"\n",
+               av_fourcc2str(a.type), av_fourcc2str(atom.type), a.size, total_size, atom.size);
         if (a.size == 0) {
             a.size = atom.size - total_size + 8;
         }
diff --git a/libavformat/mov_chan.c b/libavformat/mov_chan.c
index dc8bf8dccc..324dd5f913 100644
--- a/libavformat/mov_chan.c
+++ b/libavformat/mov_chan.c
@@ -557,8 +557,9 @@ int ff_mov_read_chan(AVFormatContext *s, AVIOContext *pb, AVStream *st,
     bitmap     = avio_rb32(pb);
     num_descr  = avio_rb32(pb);
 
-    av_log(s, AV_LOG_TRACE, "chan: layout=%u bitmap=%u num_descr=%u\n",
-            layout_tag, bitmap, num_descr);
+    av_log(s, AV_LOG_TRACE, "chan: layout=%"PRIu32" "
+           "bitmap=%"PRIu32" num_descr=%"PRIu32"\n",
+           layout_tag, bitmap, num_descr);
 
     if (size < 12ULL + num_descr * 20ULL)
         return 0;
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 298d872903..a54aa879e9 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -1716,7 +1716,7 @@ static int mov_write_gama_tag(AVIOContext *pb, MOVTrack *track, double gamma)
 
     if (gamma > 1e-6) {
         gama = (uint32_t)lrint((double)(1<<16) * gamma);
-        av_log(pb, AV_LOG_DEBUG, "writing gama value %d\n", gama);
+        av_log(pb, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
 
         av_assert0(track->mode == MODE_MOV);
         avio_wb32(pb, 12);
@@ -2378,8 +2378,8 @@ static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *tra
             descr = "TimeCodeHandler";
         } else {
             av_log(s, AV_LOG_WARNING,
-                   "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
-                   av_fourcc2str(track->par->codec_tag), track->par->codec_tag);
+                   "Unknown hldr_type for %s, writing dummy values\n",
+                   av_fourcc2str(track->par->codec_tag));
         }
         if (track->st) {
             // hdlr.name is used by some players to identify the content title
diff --git a/libavformat/mp3enc.c b/libavformat/mp3enc.c
index 034862261a..3cbf7bd137 100644
--- a/libavformat/mp3enc.c
+++ b/libavformat/mp3enc.c
@@ -319,7 +319,7 @@ static int mp3_write_audio_packet(AVFormatContext *s, AVPacket *pkt)
             if ((mpah.bit_rate == 0) || (mp3->initial_bitrate != mpah.bit_rate))
                 mp3->has_variable_bitrate = 1;
         } else {
-            av_log(s, AV_LOG_WARNING, "Audio packet of size %d (starting with %08X...) "
+            av_log(s, AV_LOG_WARNING, "Audio packet of size %d (starting with %08"PRIX32"...) "
                    "is invalid, writing it anyway.\n", pkt->size, h);
         }
 
diff --git a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c
index 3250dde311..acea2e93a6 100644
--- a/libavformat/mpegtsenc.c
+++ b/libavformat/mpegtsenc.c
@@ -1433,7 +1433,8 @@ int ff_check_h264_startcode(AVFormatContext *s, const AVStream *st, const AVPack
             return AVERROR_INVALIDDATA;
         }
         av_log(s, AV_LOG_WARNING, "H.264 bitstream error, startcode missing, size %d", pkt->size);
-        if (pkt->size) av_log(s, AV_LOG_WARNING, " data %08X", AV_RB32(pkt->data));
+        if (pkt->size)
+            av_log(s, AV_LOG_WARNING, " data %08"PRIX32, AV_RB32(pkt->data));
         av_log(s, AV_LOG_WARNING, "\n");
     }
     return 0;
@@ -1447,7 +1448,8 @@ static int check_hevc_startcode(AVFormatContext *s, const AVStream *st, const AV
             return AVERROR_PATCHWELCOME;
         }
         av_log(s, AV_LOG_WARNING, "HEVC bitstream error, startcode missing, size %d", pkt->size);
-        if (pkt->size) av_log(s, AV_LOG_WARNING, " data %08X", AV_RB32(pkt->data));
+        if (pkt->size)
+            av_log(s, AV_LOG_WARNING, " data %08"PRIX32, AV_RB32(pkt->data));
         av_log(s, AV_LOG_WARNING, "\n");
     }
     return 0;
@@ -1565,7 +1567,7 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
 
         do {
             p = avpriv_find_start_code(p, buf_end, &state);
-            av_log(s, AV_LOG_TRACE, "nal %d\n", state & 0x1f);
+            av_log(s, AV_LOG_TRACE, "nal %"PRId32"\n", state & 0x1f);
             if ((state & 0x1f) == 7)
                 extradd = 0;
         } while (p < buf_end && (state & 0x1f) != 9 &&
@@ -1631,7 +1633,7 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
 
         do {
             p = avpriv_find_start_code(p, buf_end, &state);
-            av_log(s, AV_LOG_TRACE, "nal %d\n", (state & 0x7e)>>1);
+            av_log(s, AV_LOG_TRACE, "nal %"PRId32"\n", (state & 0x7e)>>1);
             if ((state & 0x7e) == 2*32)
                 extradd = 0;
         } while (p < buf_end && (state & 0x7e) != 2*35 &&
diff --git a/libavformat/mux.c b/libavformat/mux.c
index 424b3346c9..e684385b4d 100644
--- a/libavformat/mux.c
+++ b/libavformat/mux.c
@@ -372,9 +372,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
                 if (!validate_codec_tag(s, st)) {
                     const uint32_t otag = av_codec_get_tag(s->oformat->codec_tag, par->codec_id);
                     av_log(s, AV_LOG_ERROR,
-                           "Tag %s/0x%08x incompatible with output codec id '%d' (%s)\n",
-                           av_fourcc2str(par->codec_tag), par->codec_tag,
-                           par->codec_id, av_fourcc2str(otag));
+                           "Tag %s incompatible with output codec id '%d' (%s)\n",
+                           av_fourcc2str(par->codec_tag), par->codec_id, av_fourcc2str(otag));
                     ret = AVERROR_INVALIDDATA;
                     goto fail;
                 }
diff --git a/libavformat/nistspheredec.c b/libavformat/nistspheredec.c
index 782d1dfbfb..55f22ebcf4 100644
--- a/libavformat/nistspheredec.c
+++ b/libavformat/nistspheredec.c
@@ -89,7 +89,7 @@ static int nist_read_header(AVFormatContext *s)
 
             return 0;
         } else if (!memcmp(buffer, "channel_count", 13)) {
-            sscanf(buffer, "%*s %*s %"SCNd32, &st->codecpar->channels);
+            sscanf(buffer, "%*s %*s %u", &st->codecpar->channels);
         } else if (!memcmp(buffer, "sample_byte_format", 18)) {
             sscanf(buffer, "%*s %*s %31s", format);
 
@@ -108,11 +108,11 @@ static int nist_read_header(AVFormatContext *s)
         } else if (!memcmp(buffer, "sample_count", 12)) {
             sscanf(buffer, "%*s %*s %"SCNd64, &st->duration);
         } else if (!memcmp(buffer, "sample_n_bytes", 14)) {
-            sscanf(buffer, "%*s %*s %"SCNd32, &bps);
+            sscanf(buffer, "%*s %*s %d", &bps);
         } else if (!memcmp(buffer, "sample_rate", 11)) {
-            sscanf(buffer, "%*s %*s %"SCNd32, &st->codecpar->sample_rate);
+            sscanf(buffer, "%*s %*s %d", &st->codecpar->sample_rate);
         } else if (!memcmp(buffer, "sample_sig_bits", 15)) {
-            sscanf(buffer, "%*s %*s %"SCNd32, &st->codecpar->bits_per_coded_sample);
+            sscanf(buffer, "%*s %*s %d", &st->codecpar->bits_per_coded_sample);
         } else {
             char key[32], value[32];
             if (sscanf(buffer, "%31s %*s %31s", key, value) == 2) {
diff --git a/libavformat/nsvdec.c b/libavformat/nsvdec.c
index ae179991ce..c6ddb67bbd 100644
--- a/libavformat/nsvdec.c
+++ b/libavformat/nsvdec.c
@@ -228,7 +228,7 @@ static int nsv_resync(AVFormatContext *s)
         v <<= 8;
         v |= avio_r8(pb);
         if (i < 8) {
-            av_log(s, AV_LOG_TRACE, "NSV resync: [%d] = %02x\n", i, v & 0x0FF);
+            av_log(s, AV_LOG_TRACE, "NSV resync: [%d] = %02"PRIx32"\n", i, v & 0x0FF);
         }
 
         if ((v & 0x0000ffff) == 0xefbe) { /* BEEF */
@@ -543,7 +543,7 @@ null_chunk_retry:
     asize = avio_rl16(pb);
     vsize = (vsize << 4) | (auxcount >> 4);
     auxcount &= 0x0f;
-    av_log(s, AV_LOG_TRACE, "NSV CHUNK %d aux, %u bytes video, %d bytes audio\n", auxcount, vsize, asize);
+    av_log(s, AV_LOG_TRACE, "NSV CHUNK %d aux, %"PRIu32" bytes video, %d bytes audio\n", auxcount, vsize, asize);
     /* skip aux stuff */
     for (i = 0; i < auxcount; i++) {
         uint32_t av_unused auxtag;
diff --git a/libavformat/omaenc.c b/libavformat/omaenc.c
index d89cc37ee0..7952808bf8 100644
--- a/libavformat/omaenc.c
+++ b/libavformat/omaenc.c
@@ -84,8 +84,8 @@ static av_cold int oma_write_header(AVFormatContext *s)
                          (par->block_align/8 - 1));
         break;
     default:
-        av_log(s, AV_LOG_ERROR, "unsupported codec tag %d for write\n",
-               par->codec_tag);
+        av_log(s, AV_LOG_ERROR, "unsupported codec tag %s for write\n",
+               av_fourcc2str(par->codec_tag));
         return AVERROR(EINVAL);
     }
     for (i = 0; i < (EA3_HEADER_SIZE - 36)/4; i++)
diff --git a/libavformat/rmdec.c b/libavformat/rmdec.c
index 88c2b9abf9..178eaea57d 100644
--- a/libavformat/rmdec.c
+++ b/libavformat/rmdec.c
@@ -380,7 +380,8 @@ int ff_rm_read_mdpr_codecdata(AVFormatContext *s, AVIOContext *pb,
         st->codecpar->codec_tag = avio_rl32(pb);
         st->codecpar->codec_id  = ff_codec_get_id(ff_rm_codec_tags,
                                                   st->codecpar->codec_tag);
-        av_log(s, AV_LOG_TRACE, "%X %X\n", st->codecpar->codec_tag, MKTAG('R', 'V', '2', '0'));
+        av_log(s, AV_LOG_TRACE, "%"PRIX32" %X\n",
+               st->codecpar->codec_tag, MKTAG('R', 'V', '2', '0'));
         if (st->codecpar->codec_id == AV_CODEC_ID_NONE)
             goto fail1;
         st->codecpar->width  = avio_rb16(pb);
diff --git a/libavformat/rpl.c b/libavformat/rpl.c
index a794d3b485..d373600478 100644
--- a/libavformat/rpl.c
+++ b/libavformat/rpl.c
@@ -170,8 +170,8 @@ static int rpl_read_header(AVFormatContext *s)
             vst->codecpar->codec_id = AV_CODEC_ID_ESCAPE130;
             break;
         default:
-            avpriv_report_missing_feature(s, "Video format %i",
-                                          vst->codecpar->codec_tag);
+            avpriv_report_missing_feature(s, "Video format %s",
+                                          av_fourcc2str(vst->codecpar->codec_tag));
             vst->codecpar->codec_id = AV_CODEC_ID_NONE;
     }
 
@@ -233,8 +233,8 @@ static int rpl_read_header(AVFormatContext *s)
     rpl->frames_per_chunk = read_line_and_int(pb, &error);  // video frames per chunk
     if (rpl->frames_per_chunk > 1 && vst->codecpar->codec_tag != 124)
         av_log(s, AV_LOG_WARNING,
-               "Don't know how to split frames for video format %i. "
-               "Video stream will be broken!\n", vst->codecpar->codec_tag);
+               "Don't know how to split frames for video format %s. "
+               "Video stream will be broken!\n", av_fourcc2str(vst->codecpar->codec_tag));
 
     number_of_chunks = read_line_and_int(pb, &error);  // number of chunks in the file
     // The number in the header is actually the index of the last chunk.
diff --git a/libavformat/rtpenc.c b/libavformat/rtpenc.c
index eee17d07a6..af631a883a 100644
--- a/libavformat/rtpenc.c
+++ b/libavformat/rtpenc.c
@@ -285,7 +285,7 @@ static void rtcp_send_sr(AVFormatContext *s1, int64_t ntp_time, int bye)
     RTPMuxContext *s = s1->priv_data;
     uint32_t rtp_ts;
 
-    av_log(s1, AV_LOG_TRACE, "RTCP: %02x %"PRIx64" %x\n", s->payload_type, ntp_time, s->timestamp);
+    av_log(s1, AV_LOG_TRACE, "RTCP: %02x %"PRIx64" %"PRIx32"\n", s->payload_type, ntp_time, s->timestamp);
 
     s->last_rtcp_ntp_time = ntp_time;
     rtp_ts = av_rescale_q(ntp_time - s->first_rtcp_ntp_time, (AVRational){1, 1000000},
diff --git a/libavformat/srtdec.c b/libavformat/srtdec.c
index 067db63f21..56bd0c43f6 100644
--- a/libavformat/srtdec.c
+++ b/libavformat/srtdec.c
@@ -78,7 +78,7 @@ static int get_event_info(const char *line, struct event_info *ei)
     ei->pts = AV_NOPTS_VALUE;
     ei->pos = -1;
     if (sscanf(line, "%d:%d:%d%*1[,.]%d --> %d:%d:%d%*1[,.]%d"
-               "%*[ ]X1:%u X2:%u Y1:%u Y2:%u",
+               "%*[ ]X1:%"PRId32" X2:%"PRId32" Y1:%"PRId32" Y2:%"PRId32,
                &hh1, &mm1, &ss1, &ms1,
                &hh2, &mm2, &ss2, &ms2,
                &ei->x1, &ei->x2, &ei->y1, &ei->y2) >= 8) {
diff --git a/libavformat/uncodedframecrcenc.c b/libavformat/uncodedframecrcenc.c
index 5e1a445f4f..ecc42d2869 100644
--- a/libavformat/uncodedframecrcenc.c
+++ b/libavformat/uncodedframecrcenc.c
@@ -115,7 +115,7 @@ static void audio_frame_cksum(AVBPrint *bp, AVFrame *frame)
         default:
             av_assert0(!"reached");
         }
-        av_bprintf(bp, ", 0x%08x", cksum);
+        av_bprintf(bp, ", 0x%08"PRIx32, cksum);
     }
 }
 
diff --git a/libavformat/westwood_vqa.c b/libavformat/westwood_vqa.c
index 5a54f130a0..efb9847ff0 100644
--- a/libavformat/westwood_vqa.c
+++ b/libavformat/westwood_vqa.c
@@ -250,7 +250,8 @@ static int wsvqa_read_packet(AVFormatContext *s,
             case CMDS_TAG:
                 break;
             default:
-                av_log(s, AV_LOG_INFO, "Skipping unknown chunk 0x%08X\n", chunk_type);
+                av_log(s, AV_LOG_INFO, "Skipping unknown chunk %s\n",
+                       av_fourcc2str(av_bswap32(chunk_type)));
             }
             avio_skip(pb, chunk_size + skip_byte);
         }
diff --git a/libavformat/xwma.c b/libavformat/xwma.c
index 9235157a77..1c18772928 100644
--- a/libavformat/xwma.c
+++ b/libavformat/xwma.c
@@ -87,8 +87,9 @@ static int xwma_read_header(AVFormatContext *s)
      */
     if (st->codecpar->codec_id != AV_CODEC_ID_WMAV2 &&
         st->codecpar->codec_id != AV_CODEC_ID_WMAPRO) {
-        avpriv_request_sample(s, "Unexpected codec (tag 0x%04x; id %d)",
-                              st->codecpar->codec_tag, st->codecpar->codec_id);
+        avpriv_request_sample(s, "Unexpected codec (tag %s; id %d)",
+                              av_fourcc2str(st->codecpar->codec_tag),
+                              st->codecpar->codec_id);
     } else {
         /* In all xWMA files I have seen, there is no extradata. But the WMA
          * codecs require extradata, so we provide our own fake extradata.