Meant to reset the internal bsf state without the need to reinitialize it.
Signed-off-by: James Almer <jamr...@gmail.com>
---
Missing APIChanges entry and version bump.
libavcodec/avcodec.h | 6 ++++++
libavcodec/bsf.c | 10 ++++++++++
2 files changed, 16 insertions(+)
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 1266879206..56be65bd56 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -5769,6 +5769,7 @@ typedef struct AVBitStreamFilter {
int (*init)(AVBSFContext *ctx);
int (*filter)(AVBSFContext *ctx, AVPacket *pkt);
void (*close)(AVBSFContext *ctx);
+ void (*flush)(AVBSFContext *ctx);
} AVBitStreamFilter;
#if FF_API_OLD_BSF
@@ -5895,6 +5896,11 @@ int av_bsf_send_packet(AVBSFContext *ctx, AVPacket *pkt);
*/
int av_bsf_receive_packet(AVBSFContext *ctx, AVPacket *pkt);
+/**
+ * Reset the internal bitstream filter state / flush internal buffers.
+ */
+void av_bsf_flush(AVBSFContext *ctx);
+
/**
* Free a bitstream filter context and everything associated with it; write
NULL
* into the supplied pointer.
diff --git a/libavcodec/bsf.c b/libavcodec/bsf.c
index bd611ea16b..03841da682 100644
--- a/libavcodec/bsf.c
+++ b/libavcodec/bsf.c
@@ -172,6 +172,16 @@ int av_bsf_init(AVBSFContext *ctx)
return 0;
}
+void av_bsf_flush(AVBSFContext *ctx)
+{
+ ctx->internal->eof = 0;
+
+ av_packet_unref(ctx->internal->buffer_pkt);
+
+ if (ctx->filter->flush)
+ ctx->filter->flush(ctx);
+}
+
int av_bsf_send_packet(AVBSFContext *ctx, AVPacket *pkt)
{
int ret;
--
2.18.0
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