avformat: Constify all muxer/demuxers

[ffmpeg] / libavformat / pva.c

diff --git a/libavformat/pva.c b/libavformat/pva.c
index 16381db9054f4062b5486e11d0bb17914f33adc7..8e3013a4964936ad78e8594f6670faa75b45a4af 100644 (file)
--- a/libavformat/pva.c
+++ b/libavformat/pva.c
@@ -40,7 +40,7 @@ static int pva_check(const uint8_t *p) {
     return length + 8;
 }
 
-static int pva_probe(AVProbeData * pd) {
+static int pva_probe(const AVProbeData * pd) {
     const unsigned char *buf = pd->buf;
     int len = pva_check(buf);
 
@@ -134,6 +134,10 @@ recover:
             pes_flags              = avio_rb16(pb);
             pes_header_data_length = avio_r8(pb);
 
+            if (avio_feof(pb)) {
+                return AVERROR_EOF;
+            }
+
             if (pes_signal != 1 || pes_header_data_length == 0) {
                 pva_log(s, AV_LOG_WARNING, "expected non empty signaled PES packet, "
                                           "trying to recover\n");
@@ -223,7 +227,7 @@ static int64_t pva_read_timestamp(struct AVFormatContext *s, int stream_index,
     return res;
 }
 
-AVInputFormat ff_pva_demuxer = {
+const AVInputFormat ff_pva_demuxer = {
     .name           = "pva",
     .long_name      = NULL_IF_CONFIG_SMALL("TechnoTrend PVA"),
     .priv_data_size = sizeof(PVAContext),