aes: allow unaligned input and output buffers

[ffmpeg] / libavdevice / bktr.c

diff --git a/libavdevice/bktr.c b/libavdevice/bktr.c
index 810bdd67b95aaa435e673b208aaecd789948f6ce..f1ae9ea6857a50254e304bd608247cdf55880d60 100644 (file)
--- a/libavdevice/bktr.c
+++ b/libavdevice/bktr.c
@@ -27,6 +27,7 @@
 #include "libavformat/avformat.h"
 #include "libavutil/log.h"
 #include "libavutil/opt.h"
+#include "libavutil/parseutils.h"
 #if HAVE_DEV_BKTR_IOCTL_METEOR_H && HAVE_DEV_BKTR_IOCTL_BT848_H
 # include <dev/bktr/ioctl_meteor.h>
 # include <dev/bktr/ioctl_bt848.h>
@@ -53,10 +54,10 @@ typedef struct {
     int video_fd;
     int tuner_fd;
     int width, height;
-    int frame_rate;
-    int frame_rate_base;
     uint64_t per_frame;
     int standard;
+    char *video_size; /**< String describing video size, set by a private option. */
+    char *framerate;  /**< Set by a private option. */
 } VideoData;
 
 
@@ -247,19 +248,47 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
     VideoData *s = s1->priv_data;
     AVStream *st;
     int width, height;
-    int frame_rate;
-    int frame_rate_base;
+    AVRational framerate;
     int ret = 0;
 
-    if (ap->width <= 0 || ap->height <= 0 || ap->time_base.den <= 0) {
-        ret = AVERROR(EINVAL);
+#if FF_API_FORMAT_PARAMETERS
+    if (ap->standard) {
+        if (!strcasecmp(ap->standard, "pal"))
+            s->standard = PAL;
+        else if (!strcasecmp(ap->standard, "secam"))
+            s->standard = SECAM;
+        else if (!strcasecmp(ap->standard, "ntsc"))
+            s->standard = NTSC;
+    }
+#endif
+
+    if ((ret = av_parse_video_size(&width, &height, s->video_size)) < 0) {
+        av_log(s1, AV_LOG_ERROR, "Could not parse video size '%s'.\n", s->video_size);
         goto out;
     }
 
-    width = ap->width;
-    height = ap->height;
-    frame_rate = ap->time_base.den;
-    frame_rate_base = ap->time_base.num;
+    if (!s->framerate)
+        switch (s->standard) {
+        case PAL:   s->framerate = av_strdup("pal");  break;
+        case NTSC:  s->framerate = av_strdup("ntsc"); break;
+        case SECAM: s->framerate = av_strdup("25");   break;
+        default:
+            av_log(s1, AV_LOG_ERROR, "Unknown standard.\n");
+            ret = AVERROR(EINVAL);
+            goto out;
+        }
+    if ((ret = av_parse_video_rate(&framerate, s->framerate)) < 0) {
+        av_log(s1, AV_LOG_ERROR, "Could not parse framerate '%s'.\n", s->framerate);
+        goto out;
+    }
+#if FF_API_FORMAT_PARAMETERS
+    if (ap->width > 0)
+        width = ap->width;
+    if (ap->height > 0)
+        height = ap->height;
+    if (ap->time_base.num)
+        framerate = (AVRational){ap->time_base.den, ap->time_base.num};
+#endif
 
     st = av_new_stream(s1, 0);
     if (!st) {
@@ -270,28 +299,16 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
 
     s->width = width;
     s->height = height;
-    s->frame_rate = frame_rate;
-    s->frame_rate_base = frame_rate_base;
-    s->per_frame = ((uint64_t)1000000 * s->frame_rate_base) / s->frame_rate;
+    s->per_frame = ((uint64_t)1000000 * framerate.den) / framerate.num;
 
     st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
     st->codec->pix_fmt = PIX_FMT_YUV420P;
     st->codec->codec_id = CODEC_ID_RAWVIDEO;
     st->codec->width = width;
     st->codec->height = height;
-    st->codec->time_base.den = frame_rate;
-    st->codec->time_base.num = frame_rate_base;
+    st->codec->time_base.den = framerate.num;
+    st->codec->time_base.num = framerate.den;
 
-#if FF_API_FORMAT_PARAMETERS
-    if (ap->standard) {
-        if (!strcasecmp(ap->standard, "pal"))
-            s->standard = PAL;
-        else if (!strcasecmp(ap->standard, "secam"))
-            s->standard = SECAM;
-        else if (!strcasecmp(ap->standard, "ntsc"))
-            s->standard = NTSC;
-    }
-#endif
 
     if (bktr_init(s1->filename, width, height, s->standard,
             &(s->video_fd), &(s->tuner_fd), -1, 0.0) < 0) {
@@ -324,6 +341,8 @@ static int grab_read_close(AVFormatContext *s1)
     return 0;
 }
 
+#define OFFSET(x) offsetof(VideoData, x)
+#define DEC AV_OPT_FLAG_DECODING_PARAM
 static const AVOption options[] = {
     { "standard", "", offsetof(VideoData, standard), FF_OPT_TYPE_INT, {.dbl = VIDEO_FORMAT}, PAL, NTSCJ, AV_OPT_FLAG_DECODING_PARAM, "standard" },
     { "PAL",      "", 0, FF_OPT_TYPE_CONST, {.dbl = PAL},   0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
@@ -332,6 +351,8 @@ static const AVOption options[] = {
     { "PALN",     "", 0, FF_OPT_TYPE_CONST, {.dbl = PALN},  0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
     { "PALM",     "", 0, FF_OPT_TYPE_CONST, {.dbl = PALM},  0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
     { "NTSCJ",    "", 0, FF_OPT_TYPE_CONST, {.dbl = NTSCJ}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
+    { "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(video_size), FF_OPT_TYPE_STRING, {.str = "vga"}, 0, 0, DEC },
+    { "framerate", "", OFFSET(framerate), FF_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
     { NULL },
 };