alsa: remove too unused variables.

[ffmpeg] / libavdevice / dv1394.c

diff --git a/libavdevice/dv1394.c b/libavdevice/dv1394.c
index a9bc058dc9e853e8725609219407508ae2a8ced1..63eff2aec8b530bc404d12e827c679c5fa635dc2 100644 (file)
--- a/libavdevice/dv1394.c
+++ b/libavdevice/dv1394.c
@@ -30,14 +30,14 @@
 #include <time.h>
 #include <strings.h>
 
-#include "libavformat/avformat.h"
-
-#undef DV1394_DEBUG
-
+#include "libavutil/log.h"
+#include "libavutil/opt.h"
+#include "avdevice.h"
 #include "libavformat/dv.h"
 #include "dv1394.h"
 
 struct dv1394_data {
+    AVClass *class;
     int fd;
     int channel;
     int format;
@@ -90,15 +90,17 @@ static int dv1394_read_header(AVFormatContext * context, AVFormatParameters * ap
     if (!dv->dv_demux)
         goto failed;
 
-    if (ap->standard && !strcasecmp(ap->standard, "pal"))
-        dv->format = DV1394_PAL;
-    else
-        dv->format = DV1394_NTSC;
+#if FF_API_FORMAT_PARAMETERS
+    if (ap->standard) {
+       if (!strcasecmp(ap->standard, "pal"))
+           dv->format = DV1394_PAL;
+       else
+           dv->format = DV1394_NTSC;
+    }
 
     if (ap->channel)
         dv->channel = ap->channel;
-    else
-        dv->channel = DV1394_DEFAULT_CHANNEL;
+#endif
 
     /* Open and initialize DV1394 device */
     dv->fd = open(context->filename, O_RDONLY);
@@ -172,15 +174,13 @@ restart_poll:
             av_log(context, AV_LOG_ERROR, "Failed to get status: %s\n", strerror(errno));
             return AVERROR(EIO);
         }
-#ifdef DV1394_DEBUG
-        av_log(context, AV_LOG_DEBUG, "DV1394: status\n"
+        av_dlog(context, "DV1394: status\n"
                 "\tactive_frame\t%d\n"
                 "\tfirst_clear_frame\t%d\n"
                 "\tn_clear_frames\t%d\n"
                 "\tdropped_frames\t%d\n",
                 s.active_frame, s.first_clear_frame,
                 s.n_clear_frames, s.dropped_frames);
-#endif
 
         dv->avail = s.n_clear_frames;
         dv->index = s.first_clear_frame;
@@ -195,10 +195,8 @@ restart_poll:
         }
     }
 
-#ifdef DV1394_DEBUG
-    av_log(context, AV_LOG_DEBUG, "index %d, avail %d, done %d\n", dv->index, dv->avail,
+    av_dlog(context, "index %d, avail %d, done %d\n", dv->index, dv->avail,
             dv->done);
-#endif
 
     size = dv_produce_packet(dv->dv_demux, pkt,
                              dv->ring + (dv->index * DV1394_PAL_FRAME_SIZE),
@@ -227,6 +225,21 @@ static int dv1394_close(AVFormatContext * context)
     return 0;
 }
 
+static const AVOption options[] = {
+    { "standard", "", offsetof(struct dv1394_data, format), FF_OPT_TYPE_INT, {.dbl = DV1394_NTSC}, DV1394_PAL, DV1394_NTSC, AV_OPT_FLAG_DECODING_PARAM, "standard" },
+    { "PAL",      "", 0, FF_OPT_TYPE_CONST, {.dbl = DV1394_PAL},   0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
+    { "NTSC",     "", 0, FF_OPT_TYPE_CONST, {.dbl = DV1394_NTSC},  0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
+    { "channel",  "", offsetof(struct dv1394_data, channel), FF_OPT_TYPE_INT, {.dbl = DV1394_DEFAULT_CHANNEL}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
+    { NULL },
+};
+
+static const AVClass dv1394_class = {
+    .class_name = "DV1394 indev",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
 AVInputFormat ff_dv1394_demuxer = {
     .name           = "dv1394",
     .long_name      = NULL_IF_CONFIG_SMALL("DV1394 A/V grab"),
@@ -234,5 +247,6 @@ AVInputFormat ff_dv1394_demuxer = {
     .read_header    = dv1394_read_header,
     .read_packet    = dv1394_read_packet,
     .read_close     = dv1394_close,
-    .flags          = AVFMT_NOFILE
+    .flags          = AVFMT_NOFILE,
+    .priv_class     = &dv1394_class,
 };