Merge remote-tracking branch 'qatar/master'

* qatar/master: (25 commits)
  Replace custom DEBUG preprocessor trickery by the standard one.
  vorbis: Remove non-compiling debug statement.
  vorbis: Remove pointless DEBUG #ifdef around debug output macros.
  cook: Remove non-compiling debug output.
  Remove pointless #ifdefs around function declarations in a header.
  Replace #ifdef + av_log() combinations by av_dlog().
  Replace custom debug output functions by av_dlog().
  cook: Remove unused debug functions.
  Remove stray extra arguments from av_dlog() invocations.
  targa: fix big-endian build
  v4l2: remove one forgotten use of AVFormatParameters.pix_fmt.
  vfwcap: add a framerate private option.
  v4l2: add a framerate private option.
  libdc1394: add a framerate private option.
  fbdev: add a framerate private option.
  bktr: add a framerate private option.
  oma: check avio_read() return value
  nutdec: remove unused variable
  Remove unused variables
  swscale: allocate larger buffer to handle altivec overreads.
  ...

Conflicts:
	ffmpeg.c
	libavcodec/dca.c
	libavcodec/dirac.c
	libavcodec/error_resilience.c
	libavcodec/h264.c
	libavcodec/mpeg12.c
	libavcodec/mpeg4videodec.c
	libavcodec/mpegvideo.c
	libavcodec/mpegvideo_enc.c
	libavcodec/pthread.c
	libavcodec/rv10.c
	libavcodec/s302m.c
	libavcodec/shorten.c
	libavcodec/truemotion2.c
	libavcodec/utils.c
	libavdevice/dv1394.c
	libavdevice/fbdev.c
	libavdevice/libdc1394.c
	libavdevice/v4l2.c
	libavformat/4xm.c
	libavformat/apetag.c
	libavformat/asfdec.c
	libavformat/avidec.c
	libavformat/mmf.c
	libavformat/mpeg.c
	libavformat/mpegenc.c
	libavformat/mpegts.c
	libavformat/oggdec.c
	libavformat/oggparseogm.c
	libavformat/rl2.c
	libavformat/rmdec.c
	libavformat/rpl.c
	libavformat/rtpdec_latm.c
	libavformat/sauce.c
	libavformat/sol.c
	libswscale/utils.c
	tests/ref/vsynth1/error
	tests/ref/vsynth2/error

Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavdevice/vfwcap.c

@@ -26,8 +26,6 @@
 #include <vfw.h>
 #include "avdevice.h"
 
-//#define DEBUG_VFW
-
 /* Defines for VFW missing from MinGW.
  * Remove this when MinGW incorporates them. */
 #define HWND_MESSAGE                ((HWND)-3)
@@ -43,6 +41,7 @@ struct vfw_ctx {
     unsigned int curbufsize;
     unsigned int frame_num;
     char *video_size;       /**< A string describing video size, set by a private option. */
+    char *framerate;        /**< Set by a private option. */
 };
 
 static enum PixelFormat vfw_pixfmt(DWORD biCompression, WORD biBitCount)
@@ -119,7 +118,7 @@ static void dump_captureparms(AVFormatContext *s, CAPTUREPARMS *cparms)
 
 static void dump_videohdr(AVFormatContext *s, VIDEOHDR *vhdr)
 {
-#ifdef DEBUG_VFW
+#ifdef DEBUG
     av_log(s, AV_LOG_DEBUG, "VIDEOHDR\n");
     dstruct(s, vhdr, lpData, "p");
     dstruct(s, vhdr, dwBufferLength, "lu");
@@ -234,6 +233,7 @@ static int vfw_read_close(AVFormatContext *s)
     }
 
     av_freep(&ctx->video_size);
+    av_freep(&ctx->framerate);
 
     return 0;
 }
@@ -250,6 +250,7 @@ static int vfw_read_header(AVFormatContext *s, AVFormatParameters *ap)
     DWORD biCompression;
     WORD biBitCount;
     int ret;
+    AVRational fps;
 
     if (!strcmp(s->filename, "list")) {
         for (devnum = 0; devnum <= 9; devnum++) {
@@ -267,10 +268,10 @@ static int vfw_read_header(AVFormatContext *s, AVFormatParameters *ap)
         return AVERROR(EIO);
     }
 
-    if(!ap->time_base.den) {
-        av_log(s, AV_LOG_ERROR, "A time base must be specified.\n");
-        return AVERROR(EIO);
-    }
+#if FF_API_FORMAT_PARAMETERS
+    if (ap->time_base.num)
+        fps = (AVRational){ap->time_base.den, ap->time_base.num};
+#endif
 
     ctx->hwnd = capCreateCaptureWindow(NULL, 0, 0, 0, 0, 0, HWND_MESSAGE, 0);
     if(!ctx->hwnd) {
@@ -369,7 +370,7 @@ static int vfw_read_header(AVFormatContext *s, AVFormatParameters *ap)
 
     cparms.fYield = 1; // Spawn a background thread
     cparms.dwRequestMicroSecPerFrame =
-                               (ap->time_base.num*1000000) / ap->time_base.den;
+                               (fps.den*1000000) / fps.num;
     cparms.fAbortLeftMouse = 0;
     cparms.fAbortRightMouse = 0;
     cparms.fCaptureAudio = 0;
@@ -381,7 +382,7 @@ static int vfw_read_header(AVFormatContext *s, AVFormatParameters *ap)
         goto fail_io;
 
     codec = st->codec;
-    codec->time_base = ap->time_base;
+    codec->time_base = (AVRational){fps.den, fps.num};
     codec->codec_type = AVMEDIA_TYPE_VIDEO;
     codec->width  = bi->bmiHeader.biWidth;
     codec->height = bi->bmiHeader.biHeight;
@@ -469,6 +470,7 @@ static int vfw_read_packet(AVFormatContext *s, AVPacket *pkt)
 #define DEC AV_OPT_FLAG_DECODING_PARAM
 static const AVOption options[] = {
     { "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(video_size), FF_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
+    { "framerate", "", OFFSET(framerate), FF_OPT_TYPE_STRING, {.str = "ntsc"}, 0, 0, DEC },
     { NULL },
 };