flacdec: remove some unused code

[ffmpeg] / libavdevice / vfwcap.c

diff --git a/libavdevice/vfwcap.c b/libavdevice/vfwcap.c
index 5bf94c03ae726cfc8cb4174b133120324e649ff6..4b6f73bc47376d6ec35bb70d038baa4e39851e83 100644 (file)
--- a/libavdevice/vfwcap.c
+++ b/libavdevice/vfwcap.c
@@ -1,6 +1,6 @@
 /*
  * VFW capture interface
- * Copyright (c) 2006-2008 Ramiro Polla.
+ * Copyright (c) 2006-2008 Ramiro Polla
  *
  * This file is part of FFmpeg.
  *
@@ -19,7 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "avformat.h"
+#include "libavformat/avformat.h"
 #include <vfw.h>
 #include <windows.h>
 
@@ -27,58 +27,10 @@
 
 /* Defines for VFW missing from MinGW.
  * Remove this when MinGW incorporates them. */
-#define WM_CAP_START                (0x0400)
-#define WM_CAP_SET_CALLBACK_VIDEOSTREAM (WM_CAP_START + 6)
-#define WM_CAP_DRIVER_CONNECT       (WM_CAP_START + 10)
-#define WM_CAP_DRIVER_DISCONNECT    (WM_CAP_START + 11)
-#define WM_CAP_GET_VIDEOFORMAT      (WM_CAP_START + 44)
-#define WM_CAP_SET_VIDEOFORMAT      (WM_CAP_START + 45)
-#define WM_CAP_SET_PREVIEW          (WM_CAP_START + 50)
-#define WM_CAP_SET_OVERLAY          (WM_CAP_START + 51)
-#define WM_CAP_SEQUENCE_NOFILE      (WM_CAP_START + 63)
-#define WM_CAP_SET_SEQUENCE_SETUP   (WM_CAP_START + 64)
-#define WM_CAP_GET_SEQUENCE_SETUP   (WM_CAP_START + 65)
-
 #define HWND_MESSAGE                ((HWND)-3)
 
 #define BI_RGB                      0
 
-typedef struct videohdr_tag {
-    LPBYTE      lpData;
-    DWORD       dwBufferLength;
-    DWORD       dwBytesUsed;
-    DWORD       dwTimeCaptured;
-    DWORD       dwUser;
-    DWORD       dwFlags;
-    DWORD_PTR   dwReserved[4];
-} VIDEOHDR, NEAR *PVIDEOHDR, FAR * LPVIDEOHDR;
-
-typedef struct {
-    DWORD dwRequestMicroSecPerFrame;
-    BOOL  fMakeUserHitOKToCapture;
-    UINT  wPercentDropForError;
-    BOOL  fYield;
-    DWORD dwIndexSize;
-    UINT  wChunkGranularity;
-    BOOL  fUsingDOSMemory;
-    UINT  wNumVideoRequested;
-    BOOL  fCaptureAudio;
-    UINT  wNumAudioRequested;
-    UINT  vKeyAbort;
-    BOOL  fAbortLeftMouse;
-    BOOL  fAbortRightMouse;
-    BOOL  fLimitEnabled;
-    UINT  wTimeLimit;
-    BOOL  fMCIControl;
-    BOOL  fStepMCIDevice;
-    DWORD dwMCIStartTime;
-    DWORD dwMCIStopTime;
-    BOOL  fStepCaptureAt2x;
-    UINT  wStepCaptureAverageFrames;
-    DWORD dwAudioBufferSize;
-    BOOL  fDisableWriteCache;
-    UINT  AVStreamMaster;
-} CAPTUREPARMS;
 /* End of missing MinGW defines */
 
 struct vfw_ctx {
@@ -96,6 +48,8 @@ static enum PixelFormat vfw_pixfmt(DWORD biCompression, WORD biBitCount)
     switch(biCompression) {
     case MKTAG('Y', 'U', 'Y', '2'):
         return PIX_FMT_YUYV422;
+    case MKTAG('I', '4', '2', '0'):
+        return PIX_FMT_YUV420P;
     case BI_RGB:
         switch(biBitCount) { /* 1-8 are untested */
             case 1:
@@ -186,7 +140,7 @@ static int shall_we_drop(struct vfw_ctx *ctx)
 {
     AVFormatContext *s = ctx->s;
     const uint8_t dropscore[] = {62, 75, 87, 100};
-    const int ndropscores = sizeof(dropscore)/sizeof(dropscore[0]);
+    const int ndropscores = FF_ARRAY_ELEMS(dropscore);
     unsigned int buffer_fullness = (ctx->curbufsize*100)/s->max_picture_buffer;
 
     if(dropscore[++ctx->frame_num%ndropscores] <= buffer_fullness) {
@@ -316,6 +270,18 @@ static int vfw_read_header(AVFormatContext *s, AVFormatParameters *ap)
     bi->bmiHeader.biWidth  = width ;
     bi->bmiHeader.biHeight = height;
 
+#if 0
+    /* For testing yet unsupported compressions
+     * Copy these values from user-supplied verbose information */
+    bi->bmiHeader.biWidth       = 320;
+    bi->bmiHeader.biHeight      = 240;
+    bi->bmiHeader.biPlanes      = 1;
+    bi->bmiHeader.biBitCount    = 12;
+    bi->bmiHeader.biCompression = MKTAG('I','4','2','0');
+    bi->bmiHeader.biSizeImage   = 115200;
+    dump_bih(s, &bi->bmiHeader);
+#endif
+
     ret = SendMessage(ctx->hwnd, WM_CAP_SET_VIDEOFORMAT, bisize, (LPARAM) bi);
     if(!ret) {
         av_log(s, AV_LOG_ERROR, "Could not set Video Format.\n");
@@ -356,7 +322,7 @@ static int vfw_read_header(AVFormatContext *s, AVFormatParameters *ap)
     codec->codec_id = CODEC_ID_RAWVIDEO;
     codec->pix_fmt = vfw_pixfmt(biCompression, biBitCount);
     if(biCompression == BI_RGB)
-        codec->bits_per_sample = biBitCount;
+        codec->bits_per_coded_sample = biBitCount;
 
     av_set_pts_info(st, 32, 1, 1000);
 
@@ -442,7 +408,7 @@ static int vfw_read_close(AVFormatContext *s)
 
 AVInputFormat vfwcap_demuxer = {
     "vfwcap",
-    "VFW video capture",
+    NULL_IF_CONFIG_SMALL("VFW video capture"),
     sizeof(struct vfw_ctx),
     NULL,
     vfw_read_header,