summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--libavcodec/crystalhd.c25
1 files changed, 15 insertions, 10 deletions
diff --git a/libavcodec/crystalhd.c b/libavcodec/crystalhd.c
index 3f66b96757..38c1ef7e5d 100644
--- a/libavcodec/crystalhd.c
+++ b/libavcodec/crystalhd.c
@@ -102,10 +102,11 @@
****************************************************************************/
typedef enum {
- RET_ERROR = -1,
- RET_OK = 0,
- RET_COPY_AGAIN = 1,
- RET_SKIP_NEXT_COPY = 2,
+ RET_ERROR = -1,
+ RET_OK = 0,
+ RET_COPY_AGAIN = 1,
+ RET_SKIP_NEXT_COPY = 2,
+ RET_COPY_NEXT_FIELD = 3,
} CopyRet;
typedef struct OpaqueList {
@@ -624,7 +625,13 @@ static inline CopyRet copy_frame(AVCodecContext *avctx,
return RET_SKIP_NEXT_COPY;
}
- return RET_OK;
+ /*
+ * Testing has shown that in all cases where we don't want to return the
+ * full frame immediately, VDEC_FLAG_UNKNOWN_SRC is set.
+ */
+ return priv->need_second_field &&
+ !(output->PicInfo.flags & VDEC_FLAG_UNKNOWN_SRC) ?
+ RET_COPY_NEXT_FIELD : RET_OK;
}
@@ -806,8 +813,7 @@ static int decode(AVCodecContext *avctx, void *data, int *data_size, AVPacket *a
do {
rec_ret = receive_frame(avctx, data, data_size, 0);
- if (rec_ret == 0 && *data_size == 0) {
- if (avctx->codec->id == CODEC_ID_H264) {
+ if (rec_ret == RET_OK && *data_size == 0) {
/*
* This case is for when the encoded fields are stored
* separately and we get a separate avpkt for each one. To keep
@@ -817,7 +823,7 @@ static int decode(AVCodecContext *avctx, void *data, int *data_size, AVPacket *a
*/
av_log(avctx, AV_LOG_VERBOSE, "Returning after first field.\n");
avctx->has_b_frames--;
- } else {
+ } else if (rec_ret == RET_COPY_NEXT_FIELD) {
/*
* This case is for when the encoded fields are stored in a
* single avpkt but the hardware returns then separately. Unless
@@ -833,13 +839,12 @@ static int decode(AVCodecContext *avctx, void *data, int *data_size, AVPacket *a
if (ret == BC_STS_SUCCESS &&
decoder_status.ReadyListCount > 0) {
rec_ret = receive_frame(avctx, data, data_size, 1);
- if ((rec_ret == 0 && *data_size > 0) ||
+ if ((rec_ret == RET_OK && *data_size > 0) ||
rec_ret == RET_ERROR)
break;
}
}
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD: Got second field.\n");
- }
} else if (rec_ret == RET_SKIP_NEXT_COPY) {
/*
* Two input packets got turned into a field pair. Gawd.