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| author | Ramiro Polla <ramiro.polla@gmail.com> | 2010-03-17 04:24:43 +0000 |
|---|---|---|
| committer | Ramiro Polla <ramiro.polla@gmail.com> | 2010-03-17 04:24:43 +0000 |
| commit | ce03ed4df1d8f0fc8f48402886a6dfb0b7099509 (patch) | |
| tree | 5ee41081d2e3f344098d482aa2df9d800bee9ef8 /libavdevice | |
| parent | 3922deb5773396f14df9c7ff9e60f84bf185b945 (diff) | |
| download | ffmpeg-ce03ed4df1d8f0fc8f48402886a6dfb0b7099509.tar.gz | |
Do not store a copy of AVFormatContext *s in vfw_ctx.
Save *s directly in SetWindowLongPtr instead.
Originally committed as revision 22574 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavdevice')
| -rw-r--r-- | libavdevice/vfwcap.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/libavdevice/vfwcap.c b/libavdevice/vfwcap.c index 3aaa5db524..92e5925756 100644 --- a/libavdevice/vfwcap.c +++ b/libavdevice/vfwcap.c @@ -38,7 +38,6 @@ struct vfw_ctx { HANDLE mutex; HANDLE event; AVPacketList *pktl; - AVFormatContext *s; unsigned int curbufsize; unsigned int frame_num; }; @@ -150,15 +149,15 @@ static void dump_bih(AVFormatContext *s, BITMAPINFOHEADER *bih) dstruct(s, bih, biClrImportant, "lu"); } -static int shall_we_drop(struct vfw_ctx *ctx) +static int shall_we_drop(AVFormatContext *s) { - AVFormatContext *s = ctx->s; + struct vfw_ctx *ctx = s->priv_data; const uint8_t dropscore[] = {62, 75, 87, 100}; 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) { - av_log(ctx->s, AV_LOG_ERROR, + av_log(s, AV_LOG_ERROR, "real-time buffer %d%% full! frame dropped!\n", buffer_fullness); return 1; } @@ -168,14 +167,16 @@ static int shall_we_drop(struct vfw_ctx *ctx) static LRESULT CALLBACK videostream_cb(HWND hwnd, LPVIDEOHDR vdhdr) { + AVFormatContext *s; struct vfw_ctx *ctx; AVPacketList **ppktl, *pktl_next; - ctx = (struct vfw_ctx *) GetWindowLongPtr(hwnd, GWLP_USERDATA); + s = (AVFormatContext *) GetWindowLongPtr(hwnd, GWLP_USERDATA); + ctx = s->priv_data; - dump_videohdr(ctx->s, vdhdr); + dump_videohdr(s, vdhdr); - if(shall_we_drop(ctx)) + if(shall_we_drop(s)) return FALSE; WaitForSingleObject(ctx->mutex, INFINITE); @@ -243,8 +244,6 @@ static int vfw_read_header(AVFormatContext *s, AVFormatParameters *ap) return AVERROR(EIO); } - ctx->s = s; - ctx->hwnd = capCreateCaptureWindow(NULL, 0, 0, 0, 0, 0, HWND_MESSAGE, 0); if(!ctx->hwnd) { av_log(s, AV_LOG_ERROR, "Could not create capture window.\n"); @@ -271,7 +270,7 @@ static int vfw_read_header(AVFormatContext *s, AVFormatParameters *ap) goto fail_io; } - SetWindowLongPtr(ctx->hwnd, GWLP_USERDATA, (LONG_PTR) ctx); + SetWindowLongPtr(ctx->hwnd, GWLP_USERDATA, (LONG_PTR) s); st = av_new_stream(s, 0); if(!st) { |