Merge commit '8629149816930a43bf5a66b11c6224446cabd044'

[ffmpeg] / libavcodec / mjpegbdec.c

diff --git a/libavcodec/mjpegbdec.c b/libavcodec/mjpegbdec.c
index a858707d54586df42bf1c02c0332af8049be006b..37d7bb82286d8d636e4be0b73341ae3c4a42ddfb 100644 (file)
--- a/libavcodec/mjpegbdec.c
+++ b/libavcodec/mjpegbdec.c
@@ -70,8 +70,7 @@ read_header:
 
     skip_bits(&hgb, 32); /* reserved zeros */
 
-    if (get_bits_long(&hgb, 32) != MKBETAG('m','j','p','g'))
-    {
+    if (get_bits_long(&hgb, 32) != MKBETAG('m','j','p','g')) {
         av_log(avctx, AV_LOG_WARNING, "not mjpeg-b (bad fourcc)\n");
         return AVERROR_INVALIDDATA;
     }
@@ -85,19 +84,17 @@ read_header:
 
     dqt_offs = read_offs(avctx, &hgb, buf_end - buf_ptr, "dqt is %d and size is %d\n");
     av_log(avctx, AV_LOG_DEBUG, "dqt offs: 0x%"PRIx32"\n", dqt_offs);
-    if (dqt_offs)
-    {
+    if (dqt_offs) {
         init_get_bits(&s->gb, buf_ptr+dqt_offs, (buf_end - (buf_ptr+dqt_offs))*8);
         s->start_code = DQT;
-        if (ff_mjpeg_decode_dqt(s) < 0 &&
-            (avctx->err_recognition & AV_EF_EXPLODE))
-          return AVERROR_INVALIDDATA;
+        ret = ff_mjpeg_decode_dqt(s);
+        if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE))
+            return ret;
     }
 
     dht_offs = read_offs(avctx, &hgb, buf_end - buf_ptr, "dht is %d and size is %d\n");
     av_log(avctx, AV_LOG_DEBUG, "dht offs: 0x%"PRIx32"\n", dht_offs);
-    if (dht_offs)
-    {
+    if (dht_offs) {
         init_get_bits(&s->gb, buf_ptr+dht_offs, (buf_end - (buf_ptr+dht_offs))*8);
         s->start_code = DHT;
         ff_mjpeg_decode_dht(s);
@@ -105,37 +102,34 @@ read_header:
 
     sof_offs = read_offs(avctx, &hgb, buf_end - buf_ptr, "sof is %d and size is %d\n");
     av_log(avctx, AV_LOG_DEBUG, "sof offs: 0x%"PRIx32"\n", sof_offs);
-    if (sof_offs)
-    {
+    if (sof_offs) {
         init_get_bits(&s->gb, buf_ptr+sof_offs, (buf_end - (buf_ptr+sof_offs))*8);
         s->start_code = SOF0;
-        if (ff_mjpeg_decode_sof(s) < 0)
-            return -1;
+        if ((ret = ff_mjpeg_decode_sof(s)) < 0)
+            return ret;
     }
 
     sos_offs = read_offs(avctx, &hgb, buf_end - buf_ptr, "sos is %d and size is %d\n");
     av_log(avctx, AV_LOG_DEBUG, "sos offs: 0x%"PRIx32"\n", sos_offs);
     sod_offs = read_offs(avctx, &hgb, buf_end - buf_ptr, "sof is %d and size is %d\n");
     av_log(avctx, AV_LOG_DEBUG, "sod offs: 0x%"PRIx32"\n", sod_offs);
-    if (sos_offs)
-    {
+    if (sos_offs) {
         init_get_bits(&s->gb, buf_ptr + sos_offs,
                       8 * FFMIN(field_size, buf_end - buf_ptr - sos_offs));
         s->mjpb_skiptosod = (sod_offs - sos_offs - show_bits(&s->gb, 16));
         s->start_code = SOS;
-        if (ff_mjpeg_decode_sos(s, NULL, 0, NULL) < 0 &&
-            (avctx->err_recognition & AV_EF_EXPLODE))
-          return AVERROR_INVALIDDATA;
+        ret = ff_mjpeg_decode_sos(s, NULL, 0, NULL);
+        if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE))
+            return ret;
     }
 
     if (s->interlaced) {
         s->bottom_field ^= 1;
         /* if not bottom field, do not output image yet */
-        if (s->bottom_field != s->interlace_polarity && second_field_offs)
-        {
+        if (s->bottom_field != s->interlace_polarity && second_field_offs) {
             buf_ptr = buf + second_field_offs;
             goto read_header;
-            }
+        }
     }
 
     //XXX FIXME factorize, this looks very similar to the EOI code