hevcdec: add a CUVID hwaccel

[ffmpeg] / libavdevice / vfwcap.c

diff --git a/libavdevice/vfwcap.c b/libavdevice/vfwcap.c
index 5fdda4a606c9e22c276202b1b3f032ce282115bb..3523fde6e17683df3b27aac29eca7805168d5342 100644 (file)
--- a/libavdevice/vfwcap.c
+++ b/libavdevice/vfwcap.c
@@ -19,21 +19,24 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavformat/avformat.h"
-#include "libavformat/internal.h"
+#include "libavutil/internal.h"
 #include "libavutil/log.h"
 #include "libavutil/opt.h"
 #include "libavutil/parseutils.h"
-#include <windows.h>
-#include <vfw.h>
 
-/* Defines for VFW missing from MinGW.
- * Remove this when MinGW incorporates them. */
-#define HWND_MESSAGE                ((HWND)-3)
+#include "libavformat/avformat.h"
+#include "libavformat/internal.h"
 
-#define BI_RGB                      0
+// windows.h must no be included before winsock2.h, and libavformat internal
+// headers may include winsock2.h
+#include <windows.h>
+// windows.h needs to be included before vfw.h
+#include <vfw.h>
 
-/* End of missing MinGW defines */
+/* Some obsolete versions of MinGW32 before 4.0.0 lack this. */
+#ifndef HWND_MESSAGE
+#define HWND_MESSAGE ((HWND) -3)
+#endif
 
 struct vfw_ctx {
     const AVClass *class;
@@ -157,7 +160,7 @@ static void dump_bih(AVFormatContext *s, BITMAPINFOHEADER *bih)
 static int shall_we_drop(AVFormatContext *s)
 {
     struct vfw_ctx *ctx = s->priv_data;
-    const uint8_t dropscore[] = {62, 75, 87, 100};
+    static const uint8_t dropscore[4] = { 62, 75, 87, 100 };
     const int ndropscores = FF_ARRAY_ELEMS(dropscore);
     unsigned int buffer_fullness = (ctx->curbufsize*100)/s->max_picture_buffer;
 
@@ -230,7 +233,7 @@ static int vfw_read_close(AVFormatContext *s)
     pktl = ctx->pktl;
     while (pktl) {
         AVPacketList *next = pktl->next;
-        av_free_packet(&pktl->pkt);
+        av_packet_unref(&pktl->pkt);
         av_free(pktl);
         pktl = next;
     }
@@ -241,7 +244,7 @@ static int vfw_read_close(AVFormatContext *s)
 static int vfw_read_header(AVFormatContext *s)
 {
     struct vfw_ctx *ctx = s->priv_data;
-    AVCodecContext *codec;
+    AVCodecParameters *par;
     AVStream *st;
     int devnum;
     int bisize;
@@ -370,29 +373,29 @@ static int vfw_read_header(AVFormatContext *s)
     if(!ret)
         goto fail_io;
 
-    codec = st->codec;
-    codec->time_base = (AVRational){framerate_q.den, framerate_q.num};
-    codec->codec_type = AVMEDIA_TYPE_VIDEO;
-    codec->width  = bi->bmiHeader.biWidth;
-    codec->height = bi->bmiHeader.biHeight;
-    codec->pix_fmt = vfw_pixfmt(biCompression, biBitCount);
-    if(codec->pix_fmt == AV_PIX_FMT_NONE) {
-        codec->codec_id = vfw_codecid(biCompression);
-        if(codec->codec_id == AV_CODEC_ID_NONE) {
-            av_log(s, AV_LOG_ERROR, "Unknown compression type. "
-                             "Please report verbose (-v 9) debug information.\n");
+    st->avg_frame_rate = framerate_q;
+
+    par = st->codecpar;
+    par->codec_type = AVMEDIA_TYPE_VIDEO;
+    par->width  = bi->bmiHeader.biWidth;
+    par->height = bi->bmiHeader.biHeight;
+    par->format = vfw_pixfmt(biCompression, biBitCount);
+    if (par->format == AV_PIX_FMT_NONE) {
+        par->codec_id = vfw_codecid(biCompression);
+        if (par->codec_id == AV_CODEC_ID_NONE) {
+            avpriv_report_missing_feature(s, "This compression type");
             vfw_read_close(s);
             return AVERROR_PATCHWELCOME;
         }
-        codec->bits_per_coded_sample = biBitCount;
+        par->bits_per_coded_sample = biBitCount;
     } else {
-        codec->codec_id = AV_CODEC_ID_RAWVIDEO;
+        par->codec_id = AV_CODEC_ID_RAWVIDEO;
         if(biCompression == BI_RGB) {
-            codec->bits_per_coded_sample = biBitCount;
-            codec->extradata = av_malloc(9 + FF_INPUT_BUFFER_PADDING_SIZE);
-            if (codec->extradata) {
-                codec->extradata_size = 9;
-                memcpy(codec->extradata, "BottomUp", 9);
+            par->bits_per_coded_sample = biBitCount;
+            par->extradata = av_malloc(9 + AV_INPUT_BUFFER_PADDING_SIZE);
+            if (par->extradata) {
+                par->extradata_size = 9;
+                memcpy(par->extradata, "BottomUp", 9);
             }
         }
     }