mpegtsenc: use more meaningful error codes

libavformat/mpegtsenc.c

@@ -179,7 +179,7 @@ static int mpegts_write_section1(MpegTSSection *s, int tid, int id,
     tot_len = 3 + 5 + len + 4;
     /* check if not too big */
     if (tot_len > 1024)
-        return -1;
+        return AVERROR_INVALIDDATA;
 
     q = section;
     *q++ = tid;
@@ -651,7 +651,7 @@ static int mpegts_write_header(AVFormatContext *s)
         }
         av_freep(&st->priv_data);
     }
-    return -1;
+    return AVERROR(EINVAL);
 }
 
 /* send SDT, PAT and PMT tables regulary */
@@ -986,7 +986,7 @@ static int mpegts_write_packet(AVFormatContext *s, AVPacket *pkt)
 
     if (ts_st->first_pts_check && pts == AV_NOPTS_VALUE) {
         av_log(s, AV_LOG_ERROR, "first pts value must set\n");
-        return -1;
+        return AVERROR_INVALIDDATA;
     }
     ts_st->first_pts_check = 0;
 
@@ -997,7 +997,7 @@ static int mpegts_write_packet(AVFormatContext *s, AVPacket *pkt)
         if (pkt->size < 5 || AV_RB32(pkt->data) != 0x0000001) {
             av_log(s, AV_LOG_ERROR, "H.264 bitstream malformed, "
                    "no startcode found, use -vbsf h264_mp4toannexb\n");
-            return -1;
+            return AVERROR_INVALIDDATA;
         }
 
         do {
@@ -1009,7 +1009,7 @@ static int mpegts_write_packet(AVFormatContext *s, AVPacket *pkt)
         if ((state & 0x1f) != 9) { // AUD NAL
             data = av_malloc(pkt->size+6);
             if (!data)
-                return -1;
+                return AVERROR(ENOMEM);
             memcpy(data+6, pkt->data, pkt->size);
             AV_WB32(data, 0x00000001);
             data[4] = 0x09;
@@ -1019,18 +1019,18 @@ static int mpegts_write_packet(AVFormatContext *s, AVPacket *pkt)
         }
     } else if (st->codec->codec_id == CODEC_ID_AAC) {
         if (pkt->size < 2)
-            return -1;
+            return AVERROR_INVALIDDATA;
         if ((AV_RB16(pkt->data) & 0xfff0) != 0xfff0) {
             ADTSContext *adts = ts_st->adts;
             int new_size, err;
             if (!adts) {
                 av_log(s, AV_LOG_ERROR, "aac bitstream not in adts format "
                        "and extradata missing\n");
-                return -1;
+                return AVERROR_INVALIDDATA;
             }
             new_size = ADTS_HEADER_SIZE+adts->pce_size+pkt->size;
             if ((unsigned)new_size >= INT_MAX)
-                return -1;
+                return AVERROR_INVALIDDATA;
             data = av_malloc(new_size);
             if (!data)
                 return AVERROR(ENOMEM);