[FFmpeg-cvslog] avcodec: add a bsf to reorder DTS into PTS
James Almer
git at videolan.org
Tue Oct 4 14:47:56 EEST 2022
ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Mon Aug 15 14:46:09 2022 -0300| [b92e14147f8efb32f3dbbb112dbaa5a5ab9bcd03] | committer: James Almer
avcodec: add a bsf to reorder DTS into PTS
Starting with an h264 implementation. Can be extended to support other codecs.
A few caveats:
- OpenGOP streams are currently not supported. The firt packet must be an IDR
frame.
- In some streams, a few frames at the end may not get a reordered PTS when
they reference frames past EOS. The code added to derive timestamps from
previous frames needs to extended.
Addresses ticket #502.
Signed-off-by: James Almer <jamrial at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b92e14147f8efb32f3dbbb112dbaa5a5ab9bcd03
---
Changelog | 1 +
configure | 1 +
libavcodec/Makefile | 1 +
libavcodec/bitstream_filters.c | 1 +
libavcodec/dts2pts_bsf.c | 535 +++++++++++++++++++++++++++++++++++++++++
libavcodec/version.h | 2 +-
6 files changed, 540 insertions(+), 1 deletion(-)
diff --git a/Changelog b/Changelog
index 3c28bcd991..14ba8ac874 100644
--- a/Changelog
+++ b/Changelog
@@ -16,6 +16,7 @@ version <next>:
- LAF demuxer
- APAC decoder and demuxer
- Media 100i decoders
+- DTS to PTS reorder bsf
version 5.1:
diff --git a/configure b/configure
index 6712d045d9..caee7254c8 100755
--- a/configure
+++ b/configure
@@ -3284,6 +3284,7 @@ aac_adtstoasc_bsf_select="adts_header mpeg4audio"
av1_frame_merge_bsf_select="cbs_av1"
av1_frame_split_bsf_select="cbs_av1"
av1_metadata_bsf_select="cbs_av1"
+dts2pts_bsf_select="cbs_h264 h264parse"
eac3_core_bsf_select="ac3_parser"
filter_units_bsf_select="cbs"
h264_metadata_bsf_deps="const_nan"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 1946930c20..08415983ce 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -1184,6 +1184,7 @@ OBJS-$(CONFIG_AV1_FRAME_SPLIT_BSF) += av1_frame_split_bsf.o
OBJS-$(CONFIG_CHOMP_BSF) += chomp_bsf.o
OBJS-$(CONFIG_DUMP_EXTRADATA_BSF) += dump_extradata_bsf.o
OBJS-$(CONFIG_DCA_CORE_BSF) += dca_core_bsf.o
+OBJS-$(CONFIG_DTS2PTS_BSF) += dts2pts_bsf.o
OBJS-$(CONFIG_DV_ERROR_MARKER_BSF) += dv_error_marker_bsf.o
OBJS-$(CONFIG_EAC3_CORE_BSF) += eac3_core_bsf.o
OBJS-$(CONFIG_EXTRACT_EXTRADATA_BSF) += extract_extradata_bsf.o \
diff --git a/libavcodec/bitstream_filters.c b/libavcodec/bitstream_filters.c
index 444423ae93..a3bebefe5f 100644
--- a/libavcodec/bitstream_filters.c
+++ b/libavcodec/bitstream_filters.c
@@ -31,6 +31,7 @@ extern const FFBitStreamFilter ff_av1_metadata_bsf;
extern const FFBitStreamFilter ff_chomp_bsf;
extern const FFBitStreamFilter ff_dump_extradata_bsf;
extern const FFBitStreamFilter ff_dca_core_bsf;
+extern const FFBitStreamFilter ff_dts2pts_bsf;
extern const FFBitStreamFilter ff_dv_error_marker_bsf;
extern const FFBitStreamFilter ff_eac3_core_bsf;
extern const FFBitStreamFilter ff_extract_extradata_bsf;
diff --git a/libavcodec/dts2pts_bsf.c b/libavcodec/dts2pts_bsf.c
new file mode 100644
index 0000000000..bf20b1ec8a
--- /dev/null
+++ b/libavcodec/dts2pts_bsf.c
@@ -0,0 +1,535 @@
+/*
+ * Copyright (c) 2022 James Almer
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * Derive PTS by reordering DTS from supported streams
+ */
+
+#include "libavutil/avassert.h"
+#include "libavutil/fifo.h"
+#include "libavutil/tree.h"
+
+#include "bsf.h"
+#include "bsf_internal.h"
+#include "cbs.h"
+#include "cbs_h264.h"
+#include "h264_parse.h"
+#include "h264_ps.h"
+
+typedef struct DTS2PTSNode {
+ int64_t dts;
+ int64_t duration;
+ int poc;
+ int gop;
+} DTS2PTSNode;
+
+typedef struct DTS2PTSFrame {
+ AVPacket *pkt;
+ int poc;
+ int poc_diff;
+ int gop;
+} DTS2PTSFrame;
+
+typedef struct DTS2PTSH264Context {
+ H264POCContext poc;
+ SPS sps;
+ int poc_diff;
+ int last_poc;
+ int highest_poc;
+ int picture_structure;
+} DTS2PTSH264Context;
+
+typedef struct DTS2PTSContext {
+ struct AVTreeNode *root;
+ AVFifo *fifo;
+
+ // Codec specific function pointers and constants
+ int (*init)(AVBSFContext *ctx);
+ int (*filter)(AVBSFContext *ctx);
+ void (*flush)(AVBSFContext *ctx);
+ size_t fifo_size;
+
+ CodedBitstreamContext *cbc;
+ CodedBitstreamFragment au;
+
+ union {
+ DTS2PTSH264Context h264;
+ } u;
+
+ int nb_frame;
+ int gop;
+ int eof;
+} DTS2PTSContext;
+
+// AVTreeNode callbacks
+static int cmp_insert(const void *key, const void *node)
+{
+ int ret = ((const DTS2PTSNode *)key)->poc - ((const DTS2PTSNode *)node)->poc;
+ if (!ret)
+ ret = ((const DTS2PTSNode *)key)->gop - ((const DTS2PTSNode *)node)->gop;
+ return ret;
+}
+
+static int cmp_find(const void *key, const void *node)
+{
+ int ret = ((const DTS2PTSFrame *)key)->poc - ((const DTS2PTSNode *) node)->poc;
+ if (!ret)
+ ret = ((const DTS2PTSFrame *)key)->gop - ((const DTS2PTSNode *) node)->gop;
+ return ret;
+}
+
+static int dec_poc(void *opaque, void *elem)
+{
+ DTS2PTSNode *node = elem;
+ int dec = *(int *)opaque;
+ node->poc -= dec;
+ return 0;
+}
+
+static int free_node(void *opaque, void *elem)
+{
+ DTS2PTSNode *node = elem;
+ av_free(node);
+ return 0;
+}
+
+// Shared functions
+static int alloc_and_insert_node(AVBSFContext *ctx, int64_t ts, int64_t duration,
+ int poc, int poc_diff, int gop)
+{
+ DTS2PTSContext *s = ctx->priv_data;
+ for (int i = 0; i < poc_diff; i++) {
+ struct AVTreeNode *node = av_tree_node_alloc();
+ DTS2PTSNode *poc_node, *ret;
+ if (!node)
+ return AVERROR(ENOMEM);
+ poc_node = av_malloc(sizeof(*poc_node));
+ if (!poc_node) {
+ av_free(node);
+ return AVERROR(ENOMEM);
+ }
+ if (i && ts != AV_NOPTS_VALUE)
+ ts += duration / poc_diff;
+ *poc_node = (DTS2PTSNode) { ts, duration, poc++, gop };
+ ret = av_tree_insert(&s->root, poc_node, cmp_insert, &node);
+ if (ret && ret != poc_node) {
+ *ret = *poc_node;
+ av_free(poc_node);
+ av_free(node);
+ }
+ }
+ return 0;
+}
+
+// H.264
+static const CodedBitstreamUnitType h264_decompose_unit_types[] = {
+ H264_NAL_SPS,
+ H264_NAL_PPS,
+ H264_NAL_IDR_SLICE,
+ H264_NAL_SLICE,
+};
+
+static int h264_init(AVBSFContext *ctx)
+{
+ DTS2PTSContext *s = ctx->priv_data;
+ DTS2PTSH264Context *h264 = &s->u.h264;
+
+ s->cbc->decompose_unit_types = h264_decompose_unit_types;
+ s->cbc->nb_decompose_unit_types = FF_ARRAY_ELEMS(h264_decompose_unit_types);
+
+ s->nb_frame = -(ctx->par_in->video_delay << 1);
+ h264->last_poc = h264->highest_poc = INT_MIN;
+
+ return 0;
+}
+
+static int get_mmco_reset(const H264RawSliceHeader *header)
+{
+ if (header->nal_unit_header.nal_ref_idc == 0 ||
+ !header->adaptive_ref_pic_marking_mode_flag)
+ return 0;
+
+ for (int i = 0; i < H264_MAX_MMCO_COUNT; i++) {
+ if (header->mmco[i].memory_management_control_operation == 0)
+ return 0;
+ else if (header->mmco[i].memory_management_control_operation == 5)
+ return 1;
+ }
+
+ return 0;
+}
+
+static int h264_queue_frame(AVBSFContext *ctx, AVPacket *pkt, int poc, int *queued)
+{
+ DTS2PTSContext *s = ctx->priv_data;
+ DTS2PTSH264Context *h264 = &s->u.h264;
+ DTS2PTSFrame frame;
+ int poc_diff, ret;
+
+ poc_diff = (h264->picture_structure == 3) + 1;
+ if (h264->sps.frame_mbs_only_flag && h264->poc_diff)
+ poc_diff = FFMIN(poc_diff, h264->poc_diff);
+ if (poc < 0) {
+ av_tree_enumerate(s->root, &poc_diff, NULL, dec_poc);
+ s->nb_frame -= poc_diff;
+ }
+ // Check if there was a POC reset (Like an IDR slice)
+ if (s->nb_frame > h264->highest_poc) {
+ s->nb_frame = 0;
+ s->gop = (s->gop + 1) % s->fifo_size;
+ h264->highest_poc = h264->last_poc;
+ }
+
+ ret = alloc_and_insert_node(ctx, pkt->dts, pkt->duration, s->nb_frame, poc_diff, s->gop);
+ if (ret < 0)
+ return ret;
+ av_log(ctx, AV_LOG_DEBUG, "Queueing frame with POC %d, GOP %d, dts %"PRId64"\n",
+ poc, s->gop, pkt->dts);
+ s->nb_frame += poc_diff;
+
+ // Add frame to output FIFO only once
+ if (*queued)
+ return 0;
+
+ frame = (DTS2PTSFrame) { pkt, poc, poc_diff, s->gop };
+ ret = av_fifo_write(s->fifo, &frame, 1);
+ av_assert2(ret >= 0);
+ *queued = 1;
+
+ return 0;
+}
+
+static int h264_filter(AVBSFContext *ctx)
+{
+ DTS2PTSContext *s = ctx->priv_data;
+ DTS2PTSH264Context *h264 = &s->u.h264;
+ CodedBitstreamFragment *au = &s->au;
+ AVPacket *in;
+ int output_picture_number = INT_MIN;
+ int field_poc[2];
+ int queued = 0, ret;
+
+ ret = ff_bsf_get_packet(ctx, &in);
+ if (ret < 0)
+ return ret;
+
+ ret = ff_cbs_read_packet(s->cbc, au, in);
+ if (ret < 0) {
+ av_log(ctx, AV_LOG_WARNING, "Failed to parse access unit.\n");
+ goto fail;
+ }
+
+ for (int i = 0; i < au->nb_units; i++) {
+ CodedBitstreamUnit *unit = &au->units[i];
+
+ switch (unit->type) {
+ case H264_NAL_IDR_SLICE:
+ h264->poc.prev_frame_num = 0;
+ h264->poc.prev_frame_num_offset = 0;
+ h264->poc.prev_poc_msb =
+ h264->poc.prev_poc_lsb = 0;
+ // fall-through
+ case H264_NAL_SLICE: {
+ const H264RawSlice *slice = unit->content;
+ const H264RawSliceHeader *header = &slice->header;
+ const CodedBitstreamH264Context *cbs_h264 = s->cbc->priv_data;
+ const H264RawSPS *sps = cbs_h264->active_sps;
+ int got_reset;
+
+ if (!sps) {
+ av_log(ctx, AV_LOG_ERROR, "No active SPS for a slice\n");
+ goto fail;
+ }
+ // Initialize the SPS struct with the fields ff_h264_init_poc() cares about
+ h264->sps.frame_mbs_only_flag = sps->frame_mbs_only_flag;
+ h264->sps.log2_max_frame_num = sps->log2_max_frame_num_minus4 + 4;
+ h264->sps.poc_type = sps->pic_order_cnt_type;
+ h264->sps.log2_max_poc_lsb = sps->log2_max_pic_order_cnt_lsb_minus4 + 4;
+ h264->sps.offset_for_non_ref_pic = sps->offset_for_non_ref_pic;
+ h264->sps.offset_for_top_to_bottom_field = sps->offset_for_top_to_bottom_field;
+ h264->sps.poc_cycle_length = sps->num_ref_frames_in_pic_order_cnt_cycle;
+ for (int i = 0; i < h264->sps.poc_cycle_length; i++)
+ h264->sps.offset_for_ref_frame[i] = sps->offset_for_ref_frame[i];
+
+ h264->picture_structure = sps->frame_mbs_only_flag ? 3 :
+ (header->field_pic_flag ?
+ header->field_pic_flag + header->bottom_field_flag : 3);
+
+ h264->poc.frame_num = header->frame_num;
+ h264->poc.poc_lsb = header->pic_order_cnt_lsb;
+ h264->poc.delta_poc_bottom = header->delta_pic_order_cnt_bottom;
+ h264->poc.delta_poc[0] = header->delta_pic_order_cnt[0];
+ h264->poc.delta_poc[1] = header->delta_pic_order_cnt[1];
+
+ field_poc[0] = field_poc[1] = INT_MAX;
+ ret = ff_h264_init_poc(field_poc, &output_picture_number, &h264->sps,
+ &h264->poc, h264->picture_structure,
+ header->nal_unit_header.nal_ref_idc);
+ if (ret < 0) {
+ av_log(ctx, AV_LOG_ERROR, "ff_h264_init_poc() failure\n");
+ goto fail;
+ }
+
+ got_reset = get_mmco_reset(header);
+ h264->poc.prev_frame_num = got_reset ? 0 : h264->poc.frame_num;
+ h264->poc.prev_frame_num_offset = got_reset ? 0 : h264->poc.frame_num_offset;
+ if (header->nal_unit_header.nal_ref_idc != 0) {
+ h264->poc.prev_poc_msb = got_reset ? 0 : h264->poc.poc_msb;
+ if (got_reset)
+ h264->poc.prev_poc_lsb = h264->picture_structure == 2 ? 0 : field_poc[0];
+ else
+ h264->poc.prev_poc_lsb = h264->poc.poc_lsb;
+ }
+
+ if (output_picture_number != h264->last_poc) {
+ if (h264->last_poc != INT_MIN) {
+ int diff = FFABS(h264->last_poc - output_picture_number);
+
+ if ((output_picture_number < 0) && !h264->last_poc)
+ h264->poc_diff = 0;
+ else if (FFABS(output_picture_number) < h264->poc_diff) {
+ diff = FFABS(output_picture_number);
+ h264->poc_diff = 0;
+ }
+ if (!h264->poc_diff || (h264->poc_diff > diff)) {
+ h264->poc_diff = diff;
+ if (h264->poc_diff == 1 && h264->sps.frame_mbs_only_flag) {
+ av_tree_enumerate(s->root, &h264->poc_diff, NULL, dec_poc);
+ s->nb_frame -= 2;
+ }
+ }
+ }
+ h264->last_poc = output_picture_number;
+ h264->highest_poc = FFMAX(h264->highest_poc, output_picture_number);
+
+ ret = h264_queue_frame(ctx, in, output_picture_number, &queued);
+ if (ret < 0)
+ goto fail;
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ }
+
+ if (output_picture_number == INT_MIN) {
+ av_log(ctx, AV_LOG_ERROR, "No slices in access unit\n");
+ ret = AVERROR_INVALIDDATA;
+ goto fail;
+ }
+
+ ret = 0;
+fail:
+ ff_cbs_fragment_reset(au);
+ if (!queued)
+ av_packet_free(&in);
+
+ return ret;
+}
+
+static void h264_flush(AVBSFContext *ctx)
+{
+ DTS2PTSContext *s = ctx->priv_data;
+ DTS2PTSH264Context *h264 = &s->u.h264;
+
+ memset(&h264->sps, 0, sizeof(h264->sps));
+ memset(&h264->poc, 0, sizeof(h264->poc));
+ s->nb_frame = -(ctx->par_in->video_delay << 1);
+ h264->last_poc = h264->highest_poc = INT_MIN;
+}
+
+// Core functions
+static const struct {
+ enum AVCodecID id;
+ int (*init)(AVBSFContext *ctx);
+ int (*filter)(AVBSFContext *ctx);
+ void (*flush)(AVBSFContext *ctx);
+ size_t fifo_size;
+} func_tab[] = {
+ { AV_CODEC_ID_H264, h264_init, h264_filter, h264_flush, H264_MAX_DPB_FRAMES * 2 * 2 },
+};
+
+static int dts2pts_init(AVBSFContext *ctx)
+{
+ DTS2PTSContext *s = ctx->priv_data;
+ CodedBitstreamFragment *au = &s->au;
+ int i, ret;
+
+ for (i = 0; i < FF_ARRAY_ELEMS(func_tab); i++) {
+ if (func_tab[i].id == ctx->par_in->codec_id) {
+ s->init = func_tab[i].init;
+ s->filter = func_tab[i].filter;
+ s->flush = func_tab[i].flush;
+ s->fifo_size = func_tab[i].fifo_size;
+ break;
+ }
+ }
+ if (i == FF_ARRAY_ELEMS(func_tab))
+ return AVERROR_BUG;
+ av_assert0(s->filter && s->fifo_size);
+
+ s->fifo = av_fifo_alloc2(s->fifo_size, sizeof(DTS2PTSFrame), 0);
+ if (!s->fifo)
+ return AVERROR(ENOMEM);
+
+ ret = ff_cbs_init(&s->cbc, ctx->par_in->codec_id, ctx);
+ if (ret < 0)
+ return ret;
+
+ if (s->init) {
+ ret = s->init(ctx);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (!ctx->par_in->extradata_size)
+ return 0;
+
+ ret = ff_cbs_read_extradata(s->cbc, au, ctx->par_in);
+ if (ret < 0)
+ av_log(ctx, AV_LOG_WARNING, "Failed to parse extradata.\n");
+
+ ff_cbs_fragment_reset(au);
+
+ return 0;
+}
+
+static int dts2pts_filter(AVBSFContext *ctx, AVPacket *out)
+{
+ DTS2PTSContext *s = ctx->priv_data;
+ DTS2PTSNode *poc_node = NULL, *next[2] = { NULL, NULL };
+ DTS2PTSFrame frame;
+ int ret;
+
+ // Fill up the FIFO and POC tree
+ while (!s->eof && av_fifo_can_write(s->fifo)) {
+ ret = s->filter(ctx);
+ if (ret < 0) {
+ if (ret != AVERROR_EOF)
+ return ret;
+ s->eof = 1;
+ }
+ }
+
+ if (!av_fifo_can_read(s->fifo))
+ return AVERROR_EOF;
+
+ // Fetch a packet from the FIFO
+ ret = av_fifo_read(s->fifo, &frame, 1);
+ av_assert2(ret >= 0);
+ av_packet_move_ref(out, frame.pkt);
+ av_packet_free(&frame.pkt);
+
+ // Search the timestamp for the requested POC and set PTS
+ poc_node = av_tree_find(s->root, &frame, cmp_find, (void **)next);
+ if (!poc_node) {
+ poc_node = next[1];
+ if (!poc_node || poc_node->poc != frame.poc)
+ poc_node = next[0];
+ }
+ if (poc_node && poc_node->poc == frame.poc) {
+ out->pts = poc_node->dts;
+ if (!s->eof) {
+ // Remove the found entry from the tree
+ DTS2PTSFrame dup = (DTS2PTSFrame) { NULL, frame.poc + 1, frame.poc_diff, frame.gop };
+ for (; dup.poc_diff > 0; dup.poc++, dup.poc_diff--) {
+ struct AVTreeNode *node = NULL;
+ if (!poc_node || poc_node->dts != out->pts)
+ continue;
+ av_tree_insert(&s->root, poc_node, cmp_insert, &node);
+ av_free(poc_node);
+ av_free(node);
+ poc_node = av_tree_find(s->root, &dup, cmp_find, NULL);
+ }
+ }
+ } else {
+ DTS2PTSFrame dup = (DTS2PTSFrame) { NULL, frame.poc - 1, frame.poc_diff, frame.gop };
+ if (s->eof && (poc_node = av_tree_find(s->root, &dup, cmp_find, NULL)) && poc_node->poc == dup.poc) {
+ out->pts = poc_node->dts;
+ if (out->pts != AV_NOPTS_VALUE)
+ out->pts += poc_node->duration;
+ ret = alloc_and_insert_node(ctx, out->pts, out->duration,
+ frame.poc, frame.poc_diff, frame.gop);
+ if (ret < 0) {
+ av_packet_unref(out);
+ return ret;
+ }
+ if (!ret)
+ av_log(ctx, AV_LOG_DEBUG, "Queueing frame for POC %d, GOP %d, dts %"PRId64", "
+ "generated from POC %d, GOP %d, dts %"PRId64", duration %"PRId64"\n",
+ frame.poc, frame.gop, out->pts,
+ poc_node->poc, poc_node->gop, poc_node->dts, poc_node->duration);
+ } else
+ av_log(ctx, AV_LOG_WARNING, "No timestamp for POC %d in tree\n", frame.poc);
+ }
+ av_log(ctx, AV_LOG_DEBUG, "Returning frame for POC %d, GOP %d, dts %"PRId64", pts %"PRId64"\n",
+ frame.poc, frame.gop, out->dts, out->pts);
+
+ return 0;
+}
+
+static void dts2pts_flush(AVBSFContext *ctx)
+{
+ DTS2PTSContext *s = ctx->priv_data;
+ DTS2PTSFrame frame;
+
+ if (s->flush)
+ s->flush(ctx);
+ s->eof = 0;
+ s->gop = 0;
+
+ while (s->fifo && av_fifo_read(s->fifo, &frame, 1) >= 0)
+ av_packet_free(&frame.pkt);
+
+ av_tree_enumerate(s->root, NULL, NULL, free_node);
+ av_tree_destroy(s->root);
+ s->root = NULL;
+
+ ff_cbs_fragment_reset(&s->au);
+ ff_cbs_flush(s->cbc);
+}
+
+static void dts2pts_close(AVBSFContext *ctx)
+{
+ DTS2PTSContext *s = ctx->priv_data;
+
+ dts2pts_flush(ctx);
+
+ av_fifo_freep2(&s->fifo);
+ ff_cbs_fragment_free(&s->au);
+ ff_cbs_close(&s->cbc);
+}
+
+static const enum AVCodecID dts2pts_codec_ids[] = {
+ AV_CODEC_ID_H264,
+ AV_CODEC_ID_NONE,
+};
+
+const FFBitStreamFilter ff_dts2pts_bsf = {
+ .p.name = "dts2pts",
+ .p.codec_ids = dts2pts_codec_ids,
+ .priv_data_size = sizeof(DTS2PTSContext),
+ .init = dts2pts_init,
+ .flush = dts2pts_flush,
+ .close = dts2pts_close,
+ .filter = dts2pts_filter,
+};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 39dd40fd2b..ade18cddcd 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,7 +29,7 @@
#include "version_major.h"
-#define LIBAVCODEC_VERSION_MINOR 49
+#define LIBAVCODEC_VERSION_MINOR 50
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
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