Merge remote branch 'qatar/master'

* qatar/master:
  APIChanges: document git revision for CODEC_CAP_SLICE_THREADS addition.
  Introduce slice threads flag.
  FATE: allow forcing thread-type when doing threaded fate runs.
  Use av_log_ask_for_sample() where appropriate.
  error: sort, pack, and align error code and string definitions
  The stabilization period after version bumps should be one month, not one week.
  applehttp: Expose the stream bitrate via metadata
  doc: Add some initial docs on the applehttp demuxer
  Provide a fallback version of the libm function trunc
  libavdevice: Define _XOPEN_SOURCE for usleep
  lavc: provide deprecated avcodec_thread_init until next major version
  lavc: provide the opt.h header until the next bump
  error: change AVERROR_EOF value
  error: remove AVERROR_NUMEXPECTED
  error: add error code AVERROR_OPTION_NOT_FOUND, and use it in opt.c

Conflicts:
	libavcodec/h264.c
	libavutil/error.c
	libavutil/error.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>

4 files changed, 31 insertions, 26 deletions

diff --git a/libavutil/error.c b/libavutil/error.c
index 93f8925d44..5a1ddae5ab 100644
--- a/libavutil/error.c
+++ b/libavutil/error.c
@@ -25,19 +25,19 @@ int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
     const char *errstr = NULL;
 
     switch (errnum) {
-    case AVERROR_EOF:               errstr = "End of file"; break;
-    case AVERROR_INVALIDDATA:       errstr = "Invalid data found when processing input"; break;
-    case AVERROR_NUMEXPECTED:       errstr = "Number syntax expected in filename"; break;
+    case AVERROR_BSF_NOT_FOUND:     errstr = "Bitstream filter not found"                   ; break;
+    case AVERROR_DECODER_NOT_FOUND: errstr = "Decoder not found"                            ; break;
+    case AVERROR_DEMUXER_NOT_FOUND: errstr = "Demuxer not found"                            ; break;
+    case AVERROR_ENCODER_NOT_FOUND: errstr = "Encoder not found"                            ; break;
+    case AVERROR_EOF:               errstr = "End of file"                                  ; break;
+    case AVERROR_EXIT:              errstr = "Immediate exit requested"                     ; break;
+    case AVERROR_FILTER_NOT_FOUND:  errstr = "Filter not found"                             ; break;
+    case AVERROR_INVALIDDATA:       errstr = "Invalid data found when processing input"     ; break;
+    case AVERROR_MUXER_NOT_FOUND:   errstr = "Muxer not found"                              ; break;
+    case AVERROR_OPTION_NOT_FOUND:  errstr = "Option not found"                             ; break;
     case AVERROR_PATCHWELCOME:      errstr = "Not yet implemented in FFmpeg, patches welcome"; break;
-    case AVERROR_DEMUXER_NOT_FOUND: errstr = "Demuxer not found"; break;
-    case AVERROR_MUXER_NOT_FOUND:   errstr = "Muxer not found"; break;
-    case AVERROR_DECODER_NOT_FOUND: errstr = "Decoder not found"; break;
-    case AVERROR_ENCODER_NOT_FOUND: errstr = "Encoder not found"; break;
-    case AVERROR_PROTOCOL_NOT_FOUND:errstr = "Protocol not found"; break;
-    case AVERROR_FILTER_NOT_FOUND:  errstr = "Filter not found"; break;
-    case AVERROR_BSF_NOT_FOUND:     errstr = "Bitstream filter not found"; break;
-    case AVERROR_STREAM_NOT_FOUND:  errstr = "Stream not found"; break;
-    case AVERROR_EXIT:              errstr = "Immediate exit requested"; break;
+    case AVERROR_PROTOCOL_NOT_FOUND:errstr = "Protocol not found"                           ; break;
+    case AVERROR_STREAM_NOT_FOUND:  errstr = "Stream not found"                             ; break;
     }
 
     if (errstr) {
diff --git a/libavutil/error.h b/libavutil/error.h
index d371e6b0fe..f6a5942060 100644
--- a/libavutil/error.h
+++ b/libavutil/error.h
@@ -44,24 +44,22 @@
 #define AVERROR_NOTSUPP     AVERROR(ENOSYS)  ///< Operation not supported
 #define AVERROR_UNKNOWN     AVERROR(EINVAL)  ///< Unknown error
 
-#define AVERROR_EOF         AVERROR(EPIPE)   ///< End of file
 
-#define AVERROR_PATCHWELCOME    (-MKTAG('P','A','W','E')) ///< Not yet implemented in FFmpeg, patches welcome
 
-#define AVERROR_INVALIDDATA     (-MKTAG('I','N','D','A')) ///< Invalid data found when processing input
-#define AVERROR_NUMEXPECTED     (-MKTAG('N','U','E','X')) ///< Number syntax expected in filename
-
-#define AVERROR_DEMUXER_NOT_FOUND  (-MKTAG(0xF8,'D','E','M')) ///< Demuxer not found
-#define AVERROR_MUXER_NOT_FOUND    (-MKTAG(0xF8,'M','U','X')) ///< Muxer not found
+#define AVERROR_BSF_NOT_FOUND      (-MKTAG(0xF8,'B','S','F')) ///< Bitstream filter not found
 #define AVERROR_DECODER_NOT_FOUND  (-MKTAG(0xF8,'D','E','C')) ///< Decoder not found
+#define AVERROR_DEMUXER_NOT_FOUND  (-MKTAG(0xF8,'D','E','M')) ///< Demuxer not found
 #define AVERROR_ENCODER_NOT_FOUND  (-MKTAG(0xF8,'E','N','C')) ///< Encoder not found
-#define AVERROR_PROTOCOL_NOT_FOUND (-MKTAG(0xF8,'P','R','O')) ///< Protocol not found
+#define AVERROR_EOF                (-MKTAG( 'E','O','F',' ')) ///< End of file
+#define AVERROR_EXIT               (-MKTAG( 'E','X','I','T')) ///< Immediate exit was requested; the called function should not be restarted
 #define AVERROR_FILTER_NOT_FOUND   (-MKTAG(0xF8,'F','I','L')) ///< Filter not found
-#define AVERROR_BSF_NOT_FOUND      (-MKTAG(0xF8,'B','S','F')) ///< Bitstream filter not found
+#define AVERROR_INVALIDDATA        (-MKTAG( 'I','N','D','A')) ///< Invalid data found when processing input
+#define AVERROR_MUXER_NOT_FOUND    (-MKTAG(0xF8,'M','U','X')) ///< Muxer not found
+#define AVERROR_OPTION_NOT_FOUND   (-MKTAG(0xF8,'O','P','T')) ///< Option not found
+#define AVERROR_PATCHWELCOME       (-MKTAG( 'P','A','W','E')) ///< Not yet implemented in FFmpeg, patches welcome
+#define AVERROR_PROTOCOL_NOT_FOUND (-MKTAG(0xF8,'P','R','O')) ///< Protocol not found
 #define AVERROR_STREAM_NOT_FOUND   (-MKTAG(0xF8,'S','T','R')) ///< Stream not found
 
-#define AVERROR_EXIT (-MKTAG('E','X','I','T')) ///< Immediate exit was requested; the called function should not be restarted
-
 /**
  * Put a description of the AVERROR code errnum in errbuf.
  * In case of failure the global variable errno is set to indicate the
diff --git a/libavutil/libm.h b/libavutil/libm.h
index c7c28ac27c..7e5f668e16 100644
--- a/libavutil/libm.h
+++ b/libavutil/libm.h
@@ -86,6 +86,13 @@ static av_always_inline av_const float roundf(float x)
 }
 #endif /* HAVE_ROUNDF */
 
+#if !HAVE_TRUNC
+static av_always_inline av_const double trunc(double x)
+{
+    return (x > 0) ? floor(x) : ceil(x);
+}
+#endif /* HAVE_TRUNC */
+
 #if !HAVE_TRUNCF
 static av_always_inline av_const float truncf(float x)
 {
diff --git a/libavutil/opt.c b/libavutil/opt.c
index ab6021c71a..e6cf34081c 100644
--- a/libavutil/opt.c
+++ b/libavutil/opt.c
@@ -57,7 +57,7 @@ static int av_set_number2(void *obj, const char *name, double num, int den, int6
     if (o_out)
         *o_out= o;
     if (!o || o->offset<=0)
-        return AVERROR(ENOENT);
+        return AVERROR_OPTION_NOT_FOUND;
 
     if (o->max*den < num*intnum || o->min*den > num*intnum) {
         av_log(obj, AV_LOG_ERROR, "Value %lf for parameter '%s' out of range\n", num, name);
@@ -119,7 +119,7 @@ int av_set_string3(void *obj, const char *name, const char *val, int alloc, cons
     if (o_out)
         *o_out = o;
     if (!o)
-        return AVERROR(ENOENT);
+        return AVERROR_OPTION_NOT_FOUND;
     if (!val || o->offset<=0)
         return AVERROR(EINVAL);
 
@@ -490,7 +490,7 @@ static int parse_key_value_pair(void *ctx, const char **buf,
     av_log(ctx, AV_LOG_DEBUG, "Setting value '%s' for key '%s'\n", val, key);
 
     ret = av_set_string3(ctx, key, val, 1, NULL);
-    if (ret == AVERROR(ENOENT))
+    if (ret == AVERROR_OPTION_NOT_FOUND)
         av_log(ctx, AV_LOG_ERROR, "Key '%s' not found.\n", key);
 
     av_free(key);