(LPARAM) videostream_cb);
if(!ret) {
av_log(s, AV_LOG_ERROR, "Could not set video stream callback.\n");
- vfw_read_close(s);
- return AVERROR_IO;
+ goto fail_io;
}
SetWindowLongPtr(ctx->hwnd, GWLP_USERDATA, (LONG_PTR) ctx);
/* Set video format */
bisize = SendMessage(ctx->hwnd, WM_CAP_GET_VIDEOFORMAT, 0, 0);
if(!bisize) {
- vfw_read_close(s);
- return AVERROR_IO;
+ goto fail_io;
}
bi = av_malloc(bisize);
if(!bi) {
ret = SendMessage(ctx->hwnd, WM_CAP_GET_VIDEOFORMAT, bisize, (LPARAM) bi);
if(!ret) {
av_free(bi);
- vfw_read_close(s);
- return AVERROR_IO;
+ goto fail_io;
}
dump_bih(s, &bi->bmiHeader);
if(!ret) {
av_log(s, AV_LOG_ERROR, "Could not set Video Format.\n");
av_free(bi);
- vfw_read_close(s);
- return AVERROR_IO;
+ goto fail_io;
}
biCompression = bi->bmiHeader.biCompression;
ret = SendMessage(ctx->hwnd, WM_CAP_GET_SEQUENCE_SETUP, sizeof(cparms),
(LPARAM) &cparms);
if(!ret) {
- vfw_read_close(s);
- return AVERROR_IO;
+ goto fail_io;
}
dump_captureparms(s, &cparms);
ret = SendMessage(ctx->hwnd, WM_CAP_SET_SEQUENCE_SETUP, sizeof(cparms),
(LPARAM) &cparms);
if(!ret) {
- vfw_read_close(s);
- return AVERROR_IO;
+ goto fail_io;
}
codec = st->codec;
ctx->mutex = CreateMutex(NULL, 0, NULL);
if(!ctx->mutex) {
av_log(s, AV_LOG_ERROR, "Could not create Mutex.\n" );
- vfw_read_close(s);
- return AVERROR_IO;
+ goto fail_io;
}
ctx->event = CreateEvent(NULL, 1, 0, NULL);
if(!ctx->event) {
av_log(s, AV_LOG_ERROR, "Could not create Event.\n" );
- vfw_read_close(s);
- return AVERROR_IO;
+ goto fail_io;
}
ret = SendMessage(ctx->hwnd, WM_CAP_SEQUENCE_NOFILE, 0, 0);
if(!ret) {
av_log(s, AV_LOG_ERROR, "Could not start capture sequence.\n" );
- vfw_read_close(s);
- return AVERROR_IO;
+ goto fail_io;
}
return 0;
+
+fail_io:
+ vfw_read_close(s);
+ return AVERROR_IO;
}
static int vfw_read_packet(AVFormatContext *s, AVPacket *pkt)