avformat/libsrt: fix or simplify some function return values

[ffmpeg] / libavformat / img2dec.c

diff --git a/libavformat/img2dec.c b/libavformat/img2dec.c
index a7e89cd056be5d228f8f0def09a409f1c53d4da1..d10ba4ca40581e053ae09c695806b5a39ef6d72a 100644 (file)
--- a/libavformat/img2dec.c
+++ b/libavformat/img2dec.c
@@ -220,8 +220,10 @@ int ff_img_read_header(AVFormatContext *s1)
         avpriv_set_pts_info(st, 64, 1, 1000000000);
     } else if (s->ts_from_file)
         avpriv_set_pts_info(st, 64, 1, 1);
-    else
+    else {
         avpriv_set_pts_info(st, 64, s->framerate.den, s->framerate.num);
+        st->avg_frame_rate = s->framerate;
+    }
 
     if (s->width && s->height) {
         st->codecpar->width  = s->width;
@@ -587,7 +589,7 @@ static int img_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp
         int index = av_index_search_timestamp(st, timestamp, flags);
         if(index < 0)
             return -1;
-        s1->img_number = st->index_entries[index].pos;
+        s1->img_number = st->internal->index_entries[index].pos;
         return 0;
     }
 
@@ -684,6 +686,17 @@ static int bmp_probe(const AVProbeData *p)
     return AVPROBE_SCORE_EXTENSION / 4;
 }
 
+static int cri_probe(const AVProbeData *p)
+{
+    const uint8_t *b = p->buf;
+
+    if (   AV_RL32(b) == 1
+        && AV_RL32(b + 4) == 4
+        && AV_RN32(b + 8) == AV_RN32("DVCC"))
+        return AVPROBE_SCORE_MAX - 1;
+    return 0;
+}
+
 static int dds_probe(const AVProbeData *p)
 {
     const uint8_t *b = p->buf;
@@ -804,7 +817,7 @@ static int jpeg_probe(const AVProbeData *p)
         return AVPROBE_SCORE_EXTENSION + 1;
     if (state == SOS)
         return AVPROBE_SCORE_EXTENSION / 2;
-    return AVPROBE_SCORE_EXTENSION / 8;
+    return AVPROBE_SCORE_EXTENSION / 8 + 1;
 }
 
 static int jpegls_probe(const AVProbeData *p)
@@ -1018,6 +1031,16 @@ static int pam_probe(const AVProbeData *p)
     return pnm_magic_check(p, 7) ? pnm_probe(p) : 0;
 }
 
+static int xbm_probe(const AVProbeData *p)
+{
+    if (!memcmp(p->buf, "/* XBM X10 format */", 20))
+        return AVPROBE_SCORE_MAX;
+
+    if (!memcmp(p->buf, "#define", 7))
+        return AVPROBE_SCORE_MAX - 1;
+    return 0;
+}
+
 static int xpm_probe(const AVProbeData *p)
 {
     const uint8_t *b = p->buf;
@@ -1070,6 +1093,17 @@ static int gif_probe(const AVProbeData *p)
     return AVPROBE_SCORE_MAX - 1;
 }
 
+static int photocd_probe(const AVProbeData *p)
+{
+    if (!memcmp(p->buf, "PCD_OPA", 7))
+        return AVPROBE_SCORE_MAX - 1;
+
+    if (p->buf_size < 0x807 || memcmp(p->buf + 0x800, "PCD_IPI", 7))
+        return 0;
+
+    return AVPROBE_SCORE_MAX - 1;
+}
+
 #define IMAGEAUTO_DEMUXER(imgname, codecid)\
 static const AVClass imgname ## _class = {\
     .class_name = AV_STRINGIFY(imgname) " demuxer",\
@@ -1090,6 +1124,7 @@ AVInputFormat ff_image_ ## imgname ## _pipe_demuxer = {\
 };
 
 IMAGEAUTO_DEMUXER(bmp,     AV_CODEC_ID_BMP)
+IMAGEAUTO_DEMUXER(cri,     AV_CODEC_ID_CRI)
 IMAGEAUTO_DEMUXER(dds,     AV_CODEC_ID_DDS)
 IMAGEAUTO_DEMUXER(dpx,     AV_CODEC_ID_DPX)
 IMAGEAUTO_DEMUXER(exr,     AV_CODEC_ID_EXR)
@@ -1103,6 +1138,7 @@ IMAGEAUTO_DEMUXER(pcx,     AV_CODEC_ID_PCX)
 IMAGEAUTO_DEMUXER(pgm,     AV_CODEC_ID_PGM)
 IMAGEAUTO_DEMUXER(pgmyuv,  AV_CODEC_ID_PGMYUV)
 IMAGEAUTO_DEMUXER(pgx,     AV_CODEC_ID_PGX)
+IMAGEAUTO_DEMUXER(photocd, AV_CODEC_ID_PHOTOCD)
 IMAGEAUTO_DEMUXER(pictor,  AV_CODEC_ID_PICTOR)
 IMAGEAUTO_DEMUXER(png,     AV_CODEC_ID_PNG)
 IMAGEAUTO_DEMUXER(ppm,     AV_CODEC_ID_PPM)
@@ -1113,5 +1149,6 @@ IMAGEAUTO_DEMUXER(sunrast, AV_CODEC_ID_SUNRAST)
 IMAGEAUTO_DEMUXER(svg,     AV_CODEC_ID_SVG)
 IMAGEAUTO_DEMUXER(tiff,    AV_CODEC_ID_TIFF)
 IMAGEAUTO_DEMUXER(webp,    AV_CODEC_ID_WEBP)
+IMAGEAUTO_DEMUXER(xbm,     AV_CODEC_ID_XBM)
 IMAGEAUTO_DEMUXER(xpm,     AV_CODEC_ID_XPM)
 IMAGEAUTO_DEMUXER(xwd,     AV_CODEC_ID_XWD)