Merge commit '650060df'

* commit '650060df':
  hevc_parser: parse and export some stream parameters

Conflicts:
	configure
	libavcodec/hevc_parser.c
Merged-by: Michael Niedermayer <michael@niedermayer.cc>

configure

@@ -2440,7 +2440,7 @@ wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
 
 # parsers
 h264_parser_select="h264_decoder"
-hevc_parser_select="hevc_decoder"
+hevc_parser_select="golomb"
 mpegvideo_parser_select="mpegvideo"
 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
 vc1_parser_select="mpegvideo startcode vc1_decoder"

libavcodec/Makefile

@@ -832,7 +832,7 @@ OBJS-$(CONFIG_GSM_PARSER)              += gsm_parser.o
 OBJS-$(CONFIG_H261_PARSER)             += h261_parser.o
 OBJS-$(CONFIG_H263_PARSER)             += h263_parser.o
 OBJS-$(CONFIG_H264_PARSER)             += h264_parser.o
-OBJS-$(CONFIG_HEVC_PARSER)             += hevc_parser.o
+OBJS-$(CONFIG_HEVC_PARSER)             += hevc_parser.o hevc_parse.o
 OBJS-$(CONFIG_MJPEG_PARSER)            += mjpeg_parser.o
 OBJS-$(CONFIG_MLP_PARSER)              += mlp_parser.o mlp.o
 OBJS-$(CONFIG_MPEG4VIDEO_PARSER)       += mpeg4video_parser.o h263.o \

libavcodec/hevc_parser.c

@@ -22,16 +22,98 @@
 
 #include "libavutil/common.h"
 
-#include "parser.h"
-#include "hevc.h"
 #include "golomb.h"
+#include "hevc.h"
+#include "parser.h"
 
 #define START_CODE 0x000001 ///< start_code_prefix_one_3bytes
 
-typedef struct HEVCParseContext {
-    HEVCContext  h;
+#define IS_IRAP_NAL(nal) (nal->type >= 16 && nal->type <= 23)
+
+typedef struct HEVCParserContext {
     ParseContext pc;
-} HEVCParseContext;
+
+    HEVCPacket pkt;
+    HEVCParamSets ps;
+
+    int parsed_extradata;
+} HEVCParserContext;
+
+static int hevc_parse_slice_header(AVCodecParserContext *s, HEVCNAL *nal,
+                                   AVCodecContext *avctx)
+{
+    HEVCParserContext *ctx = s->priv_data;
+    GetBitContext *gb = &nal->gb;
+
+    HEVCPPS *pps;
+    HEVCSPS *sps;
+    unsigned int pps_id;
+
+    get_bits1(gb);          // first slice in pic
+    if (IS_IRAP_NAL(nal))
+        get_bits1(gb);      // no output of prior pics
+
+    pps_id = get_ue_golomb_long(gb);
+    if (pps_id >= MAX_PPS_COUNT || !ctx->ps.pps_list[pps_id]) {
+        av_log(avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", pps_id);
+        return AVERROR_INVALIDDATA;
+    }
+    pps = (HEVCPPS*)ctx->ps.pps_list[pps_id]->data;
+    sps = (HEVCSPS*)ctx->ps.sps_list[pps->sps_id]->data;
+
+    /* export the stream parameters */
+    s->coded_width  = sps->width;
+    s->coded_height = sps->height;
+    s->width        = sps->output_width;
+    s->height       = sps->output_height;
+    s->format       = sps->pix_fmt;
+    avctx->profile  = sps->ptl.general_ptl.profile_idc;
+    avctx->level    = sps->ptl.general_ptl.level_idc;
+
+    /* ignore the rest for now*/
+
+    return 0;
+}
+
+static int parse_nal_units(AVCodecParserContext *s, const uint8_t *buf,
+                           int buf_size, AVCodecContext *avctx)
+{
+    HEVCParserContext *ctx = s->priv_data;
+    int ret, i;
+
+    ret = ff_hevc_split_packet(NULL, &ctx->pkt, buf, buf_size, avctx, 0, 0);
+    if (ret < 0)
+        return ret;
+
+    for (i = 0; i < ctx->pkt.nb_nals; i++) {
+        HEVCNAL *nal = &ctx->pkt.nals[i];
+
+        /* ignore everything except parameter sets and VCL NALUs */
+        switch (nal->type) {
+        case NAL_VPS: ff_hevc_decode_nal_vps(&nal->gb, avctx, &ctx->ps);    break;
+        case NAL_SPS: ff_hevc_decode_nal_sps(&nal->gb, avctx, &ctx->ps, 1); break;
+        case NAL_PPS: ff_hevc_decode_nal_pps(&nal->gb, avctx, &ctx->ps);    break;
+        case NAL_TRAIL_R:
+        case NAL_TRAIL_N:
+        case NAL_TSA_N:
+        case NAL_TSA_R:
+        case NAL_STSA_N:
+        case NAL_STSA_R:
+        case NAL_BLA_W_LP:
+        case NAL_BLA_W_RADL:
+        case NAL_BLA_N_LP:
+        case NAL_IDR_W_RADL:
+        case NAL_IDR_N_LP:
+        case NAL_CRA_NUT:
+        case NAL_RADL_N:
+        case NAL_RADL_R:
+        case NAL_RASL_N:
+        case NAL_RASL_R: hevc_parse_slice_header(s, nal, avctx); break;
+        }
+    }
+
+    return 0;
+}
 
 /**
  * Find the end of the current frame in the bitstream.
@@ -41,7 +123,7 @@ static int hevc_find_frame_end(AVCodecParserContext *s, const uint8_t *buf,
                                int buf_size)
 {
     int i;
-    ParseContext *pc = &((HEVCParseContext *)s->priv_data)->pc;
+    ParseContext *pc = s->priv_data;
 
     for (i = 0; i < buf_size; i++) {
         int nut;
@@ -84,180 +166,180 @@ static int hevc_find_frame_end(AVCodecParserContext *s, const uint8_t *buf,
  * @param buf buffer with field/frame data.
  * @param buf_size size of the buffer.
  */
-static inline int parse_nal_units(AVCodecParserContext *s, AVCodecContext *avctx,
-                      const uint8_t *buf, int buf_size)
-{
-    HEVCContext   *h  = &((HEVCParseContext *)s->priv_data)->h;
-    GetBitContext *gb = &h->HEVClc->gb;
-    SliceHeader   *sh = &h->sh;
-    HEVCParamSets *ps = &h->ps;
-    HEVCPacket   *pkt = &h->pkt;
-    const uint8_t *buf_end = buf + buf_size;
-    int state = -1, i;
-    HEVCNAL *nal;
-
-    /* set some sane default values */
-    s->pict_type         = AV_PICTURE_TYPE_I;
-    s->key_frame         = 0;
-    s->picture_structure = AV_PICTURE_STRUCTURE_UNKNOWN;
-
-    h->avctx = avctx;
-
-    if (!buf_size)
-        return 0;
-
-    if (pkt->nals_allocated < 1) {
-        HEVCNAL *tmp = av_realloc_array(pkt->nals, 1, sizeof(*tmp));
-        if (!tmp)
-            return AVERROR(ENOMEM);
-        pkt->nals = tmp;
-        memset(pkt->nals, 0, sizeof(*tmp));
-        pkt->nals_allocated = 1;
-    }
-
-    nal = &pkt->nals[0];
-
-    for (;;) {
-        int src_length, consumed;
-        buf = avpriv_find_start_code(buf, buf_end, &state);
-        if (--buf + 2 >= buf_end)
-            break;
-        src_length = buf_end - buf;
-
-        h->nal_unit_type = (*buf >> 1) & 0x3f;
-        h->temporal_id   = (*(buf + 1) & 0x07) - 1;
-        if (h->nal_unit_type <= NAL_CRA_NUT) {
-            // Do not walk the whole buffer just to decode slice segment header
-            if (src_length > 20)
-                src_length = 20;
-        }
-
-        consumed = ff_hevc_extract_rbsp(h, buf, src_length, nal);
-        if (consumed < 0)
-            return consumed;
-
-        init_get_bits8(gb, nal->data + 2, nal->size);
-        switch (h->nal_unit_type) {
-        case NAL_VPS:
-            ff_hevc_decode_nal_vps(gb, avctx, ps);
-            break;
-        case NAL_SPS:
-            ff_hevc_decode_nal_sps(gb, avctx, ps, h->apply_defdispwin);
-            break;
-        case NAL_PPS:
-            ff_hevc_decode_nal_pps(gb, avctx, ps);
-            break;
-        case NAL_SEI_PREFIX:
-        case NAL_SEI_SUFFIX:
-            ff_hevc_decode_nal_sei(h);
-            break;
-        case NAL_TRAIL_N:
-        case NAL_TRAIL_R:
-        case NAL_TSA_N:
-        case NAL_TSA_R:
-        case NAL_STSA_N:
-        case NAL_STSA_R:
-        case NAL_RADL_N:
-        case NAL_RADL_R:
-        case NAL_RASL_N:
-        case NAL_RASL_R:
-        case NAL_BLA_W_LP:
-        case NAL_BLA_W_RADL:
-        case NAL_BLA_N_LP:
-        case NAL_IDR_W_RADL:
-        case NAL_IDR_N_LP:
-        case NAL_CRA_NUT:
-            sh->first_slice_in_pic_flag = get_bits1(gb);
-            s->picture_structure = h->picture_struct;
-            s->field_order = h->picture_struct;
-
-            if (IS_IRAP(h)) {
-                s->key_frame = 1;
-                sh->no_output_of_prior_pics_flag = get_bits1(gb);
-            }
-
-            sh->pps_id = get_ue_golomb(gb);
-            if (sh->pps_id >= MAX_PPS_COUNT || !ps->pps_list[sh->pps_id]) {
-                av_log(h->avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", sh->pps_id);
-                return AVERROR_INVALIDDATA;
-            }
-            ps->pps = (HEVCPPS*)ps->pps_list[sh->pps_id]->data;
-
-            if (ps->pps->sps_id >= MAX_SPS_COUNT || !ps->sps_list[ps->pps->sps_id]) {
-                av_log(h->avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", ps->pps->sps_id);
-                return AVERROR_INVALIDDATA;
-            }
-            if (ps->sps != (HEVCSPS*)ps->sps_list[ps->pps->sps_id]->data) {
-                ps->sps = (HEVCSPS*)ps->sps_list[ps->pps->sps_id]->data;
-                ps->vps = (HEVCVPS*)ps->vps_list[ps->sps->vps_id]->data;
-            }
-
-            if (!sh->first_slice_in_pic_flag) {
-                int slice_address_length;
-
-                if (ps->pps->dependent_slice_segments_enabled_flag)
-                    sh->dependent_slice_segment_flag = get_bits1(gb);
-                else
-                    sh->dependent_slice_segment_flag = 0;
-
-                slice_address_length = av_ceil_log2_c(ps->sps->ctb_width *
-                                                      ps->sps->ctb_height);
-                sh->slice_segment_addr = slice_address_length ? get_bits(gb, slice_address_length) : 0;
-                if (sh->slice_segment_addr >= ps->sps->ctb_width * ps->sps->ctb_height) {
-                    av_log(h->avctx, AV_LOG_ERROR, "Invalid slice segment address: %u.\n",
-                           sh->slice_segment_addr);
-                    return AVERROR_INVALIDDATA;
-                }
-            } else
-                sh->dependent_slice_segment_flag = 0;
-
-            if (sh->dependent_slice_segment_flag)
-                break;
-
-            for (i = 0; i < ps->pps->num_extra_slice_header_bits; i++)
-                skip_bits(gb, 1); // slice_reserved_undetermined_flag[]
-
-            sh->slice_type = get_ue_golomb(gb);
-            if (!(sh->slice_type == I_SLICE || sh->slice_type == P_SLICE ||
-                  sh->slice_type == B_SLICE)) {
-                av_log(h->avctx, AV_LOG_ERROR, "Unknown slice type: %d.\n",
-                       sh->slice_type);
-                return AVERROR_INVALIDDATA;
-            }
-            s->pict_type = sh->slice_type == B_SLICE ? AV_PICTURE_TYPE_B :
-                           sh->slice_type == P_SLICE ? AV_PICTURE_TYPE_P :
-                                                       AV_PICTURE_TYPE_I;
-
-            if (ps->pps->output_flag_present_flag)
-                sh->pic_output_flag = get_bits1(gb);
-
-            if (ps->sps->separate_colour_plane_flag)
-                sh->colour_plane_id = get_bits(gb, 2);
-
-            if (!IS_IDR(h)) {
-                sh->pic_order_cnt_lsb = get_bits(gb, ps->sps->log2_max_poc_lsb);
-                s->output_picture_number = h->poc = ff_hevc_compute_poc(h, sh->pic_order_cnt_lsb);
-            } else
-                s->output_picture_number = h->poc = 0;
-
-            if (h->temporal_id == 0 &&
-                h->nal_unit_type != NAL_TRAIL_N &&
-                h->nal_unit_type != NAL_TSA_N &&
-                h->nal_unit_type != NAL_STSA_N &&
-                h->nal_unit_type != NAL_RADL_N &&
-                h->nal_unit_type != NAL_RASL_N &&
-                h->nal_unit_type != NAL_RADL_R &&
-                h->nal_unit_type != NAL_RASL_R)
-                h->pocTid0 = h->poc;
-
-            return 0; /* no need to evaluate the rest */
-        }
-        buf += consumed;
-    }
-    /* didn't find a picture! */
-    av_log(h->avctx, AV_LOG_ERROR, "missing picture in access unit\n");
-    return -1;
-}
+// static inline int parse_nal_unitsX(AVCodecParserContext *s, AVCodecContext *avctx,
+//                       const uint8_t *buf, int buf_size)
+// {
+//     HEVCContext   *h  = &((HEVCParseContext *)s->priv_data)->h;
+//     GetBitContext *gb = &h->HEVClc->gb;
+//     SliceHeader   *sh = &h->sh;
+//     HEVCParamSets *ps = &h->ps;
+//     HEVCPacket   *pkt = &h->pkt;
+//     const uint8_t *buf_end = buf + buf_size;
+//     int state = -1, i;
+//     HEVCNAL *nal;
+//
+//     /* set some sane default values */
+//     s->pict_type         = AV_PICTURE_TYPE_I;
+//     s->key_frame         = 0;
+//     s->picture_structure = AV_PICTURE_STRUCTURE_UNKNOWN;
+//
+//     h->avctx = avctx;
+//
+//     if (!buf_size)
+//         return 0;
+//
+//     if (pkt->nals_allocated < 1) {
+//         HEVCNAL *tmp = av_realloc_array(pkt->nals, 1, sizeof(*tmp));
+//         if (!tmp)
+//             return AVERROR(ENOMEM);
+//         pkt->nals = tmp;
+//         memset(pkt->nals, 0, sizeof(*tmp));
+//         pkt->nals_allocated = 1;
+//     }
+//
+//     nal = &pkt->nals[0];
+//
+//     for (;;) {
+//         int src_length, consumed;
+//         buf = avpriv_find_start_code(buf, buf_end, &state);
+//         if (--buf + 2 >= buf_end)
+//             break;
+//         src_length = buf_end - buf;
+//
+//         h->nal_unit_type = (*buf >> 1) & 0x3f;
+//         h->temporal_id   = (*(buf + 1) & 0x07) - 1;
+//         if (h->nal_unit_type <= NAL_CRA_NUT) {
+//             // Do not walk the whole buffer just to decode slice segment header
+//             if (src_length > 20)
+//                 src_length = 20;
+//         }
+//
+//         consumed = ff_hevc_extract_rbsp(h, buf, src_length, nal);
+//         if (consumed < 0)
+//             return consumed;
+//
+//         init_get_bits8(gb, nal->data + 2, nal->size);
+//         switch (h->nal_unit_type) {
+//         case NAL_VPS:
+//             ff_hevc_decode_nal_vps(gb, avctx, ps);
+//             break;
+//         case NAL_SPS:
+//             ff_hevc_decode_nal_sps(gb, avctx, ps, h->apply_defdispwin);
+//             break;
+//         case NAL_PPS:
+//             ff_hevc_decode_nal_pps(gb, avctx, ps);
+//             break;
+//         case NAL_SEI_PREFIX:
+//         case NAL_SEI_SUFFIX:
+//             ff_hevc_decode_nal_sei(h);
+//             break;
+//         case NAL_TRAIL_N:
+//         case NAL_TRAIL_R:
+//         case NAL_TSA_N:
+//         case NAL_TSA_R:
+//         case NAL_STSA_N:
+//         case NAL_STSA_R:
+//         case NAL_RADL_N:
+//         case NAL_RADL_R:
+//         case NAL_RASL_N:
+//         case NAL_RASL_R:
+//         case NAL_BLA_W_LP:
+//         case NAL_BLA_W_RADL:
+//         case NAL_BLA_N_LP:
+//         case NAL_IDR_W_RADL:
+//         case NAL_IDR_N_LP:
+//         case NAL_CRA_NUT:
+//             sh->first_slice_in_pic_flag = get_bits1(gb);
+//             s->picture_structure = h->picture_struct;
+//             s->field_order = h->picture_struct;
+//
+//             if (IS_IRAP(h)) {
+//                 s->key_frame = 1;
+//                 sh->no_output_of_prior_pics_flag = get_bits1(gb);
+//             }
+//
+//             sh->pps_id = get_ue_golomb(gb);
+//             if (sh->pps_id >= MAX_PPS_COUNT || !ps->pps_list[sh->pps_id]) {
+//                 av_log(h->avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", sh->pps_id);
+//                 return AVERROR_INVALIDDATA;
+//             }
+//             ps->pps = (HEVCPPS*)ps->pps_list[sh->pps_id]->data;
+//
+//             if (ps->pps->sps_id >= MAX_SPS_COUNT || !ps->sps_list[ps->pps->sps_id]) {
+//                 av_log(h->avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", ps->pps->sps_id);
+//                 return AVERROR_INVALIDDATA;
+//             }
+//             if (ps->sps != (HEVCSPS*)ps->sps_list[ps->pps->sps_id]->data) {
+//                 ps->sps = (HEVCSPS*)ps->sps_list[ps->pps->sps_id]->data;
+//                 ps->vps = (HEVCVPS*)ps->vps_list[ps->sps->vps_id]->data;
+//             }
+//
+//             if (!sh->first_slice_in_pic_flag) {
+//                 int slice_address_length;
+//
+//                 if (ps->pps->dependent_slice_segments_enabled_flag)
+//                     sh->dependent_slice_segment_flag = get_bits1(gb);
+//                 else
+//                     sh->dependent_slice_segment_flag = 0;
+//
+//                 slice_address_length = av_ceil_log2_c(ps->sps->ctb_width *
+//                                                       ps->sps->ctb_height);
+//                 sh->slice_segment_addr = slice_address_length ? get_bits(gb, slice_address_length) : 0;
+//                 if (sh->slice_segment_addr >= ps->sps->ctb_width * ps->sps->ctb_height) {
+//                     av_log(h->avctx, AV_LOG_ERROR, "Invalid slice segment address: %u.\n",
+//                            sh->slice_segment_addr);
+//                     return AVERROR_INVALIDDATA;
+//                 }
+//             } else
+//                 sh->dependent_slice_segment_flag = 0;
+//
+//             if (sh->dependent_slice_segment_flag)
+//                 break;
+//
+//             for (i = 0; i < ps->pps->num_extra_slice_header_bits; i++)
+//                 skip_bits(gb, 1); // slice_reserved_undetermined_flag[]
+//
+//             sh->slice_type = get_ue_golomb(gb);
+//             if (!(sh->slice_type == I_SLICE || sh->slice_type == P_SLICE ||
+//                   sh->slice_type == B_SLICE)) {
+//                 av_log(h->avctx, AV_LOG_ERROR, "Unknown slice type: %d.\n",
+//                        sh->slice_type);
+//                 return AVERROR_INVALIDDATA;
+//             }
+//             s->pict_type = sh->slice_type == B_SLICE ? AV_PICTURE_TYPE_B :
+//                            sh->slice_type == P_SLICE ? AV_PICTURE_TYPE_P :
+//                                                        AV_PICTURE_TYPE_I;
+//
+//             if (ps->pps->output_flag_present_flag)
+//                 sh->pic_output_flag = get_bits1(gb);
+//
+//             if (ps->sps->separate_colour_plane_flag)
+//                 sh->colour_plane_id = get_bits(gb, 2);
+//
+//             if (!IS_IDR(h)) {
+//                 sh->pic_order_cnt_lsb = get_bits(gb, ps->sps->log2_max_poc_lsb);
+//                 s->output_picture_number = h->poc = ff_hevc_compute_poc(h, sh->pic_order_cnt_lsb);
+//             } else
+//                 s->output_picture_number = h->poc = 0;
+//
+//             if (h->temporal_id == 0 &&
+//                 h->nal_unit_type != NAL_TRAIL_N &&
+//                 h->nal_unit_type != NAL_TSA_N &&
+//                 h->nal_unit_type != NAL_STSA_N &&
+//                 h->nal_unit_type != NAL_RADL_N &&
+//                 h->nal_unit_type != NAL_RASL_N &&
+//                 h->nal_unit_type != NAL_RADL_R &&
+//                 h->nal_unit_type != NAL_RASL_R)
+//                 h->pocTid0 = h->poc;
+//
+//             return 0; /* no need to evaluate the rest */
+//         }
+//         buf += consumed;
+//     }
+//     /* didn't find a picture! */
+//     av_log(h->avctx, AV_LOG_ERROR, "missing picture in access unit\n");
+//     return -1;
+// }
 
 static int hevc_parse(AVCodecParserContext *s,
                       AVCodecContext *avctx,
@@ -265,7 +347,13 @@ static int hevc_parse(AVCodecParserContext *s,
                       const uint8_t *buf, int buf_size)
 {
     int next;
-    ParseContext *pc = &((HEVCParseContext *)s->priv_data)->pc;
+    HEVCParserContext *ctx = s->priv_data;
+    ParseContext *pc = &ctx->pc;
+
+    if (avctx->extradata && !ctx->parsed_extradata) {
+        parse_nal_units(s, avctx->extradata, avctx->extradata_size, avctx);
+        ctx->parsed_extradata = 1;
+    }
 
     if (s->flags & PARSER_FLAG_COMPLETE_FRAMES) {
         next = buf_size;
@@ -278,7 +366,7 @@ static int hevc_parse(AVCodecParserContext *s,
         }
     }
 
-    parse_nal_units(s, avctx, buf, buf_size);
+    parse_nal_units(s, buf, buf_size, avctx);
 
     *poutbuf      = buf;
     *poutbuf_size = buf_size;
@@ -307,49 +395,34 @@ static int hevc_split(AVCodecContext *avctx, const uint8_t *buf, int buf_size)
     return 0;
 }
 
-static int hevc_init(AVCodecParserContext *s)
+static void hevc_parser_close(AVCodecParserContext *s)
 {
-    HEVCContext  *h  = &((HEVCParseContext *)s->priv_data)->h;
-    h->HEVClc = av_mallocz(sizeof(HEVCLocalContext));
-    if (!h->HEVClc)
-        return AVERROR(ENOMEM);
+    HEVCParserContext *ctx = s->priv_data;
+    int i;
 
-    return 0;
-}
+    for (i = 0; i < FF_ARRAY_ELEMS(ctx->ps.vps_list); i++)
+        av_buffer_unref(&ctx->ps.vps_list[i]);
+    for (i = 0; i < FF_ARRAY_ELEMS(ctx->ps.sps_list); i++)
+        av_buffer_unref(&ctx->ps.sps_list[i]);
+    for (i = 0; i < FF_ARRAY_ELEMS(ctx->ps.pps_list); i++)
+        av_buffer_unref(&ctx->ps.pps_list[i]);
 
-static void hevc_close(AVCodecParserContext *s)
-{
-    int i;
-    HEVCContext  *h  = &((HEVCParseContext *)s->priv_data)->h;
-    ParseContext *pc = &((HEVCParseContext *)s->priv_data)->pc;
-    HEVCParamSets *ps = &h->ps;
-    HEVCPacket   *pkt = &h->pkt;
-
-    av_freep(&h->HEVClc);
-    av_freep(&pc->buffer);
-
-    for (i = 0; i < FF_ARRAY_ELEMS(ps->vps_list); i++)
-        av_buffer_unref(&ps->vps_list[i]);
-    for (i = 0; i < FF_ARRAY_ELEMS(ps->sps_list); i++)
-        av_buffer_unref(&ps->sps_list[i]);
-    for (i = 0; i < FF_ARRAY_ELEMS(ps->pps_list); i++)
-        av_buffer_unref(&ps->pps_list[i]);
-
-    ps->sps = NULL;
-
-    for (i = 0; i < pkt->nals_allocated; i++) {
-        av_freep(&pkt->nals[i].rbsp_buffer);
-        av_freep(&pkt->nals[i].skipped_bytes_pos);
+    ctx->ps.sps = NULL;
+
+    for (i = 0; i < ctx->pkt.nals_allocated; i++) {
+        av_freep(&ctx->pkt.nals[i].rbsp_buffer);
+        av_freep(&ctx->pkt.nals[i].skipped_bytes_pos);
     }
-    av_freep(&pkt->nals);
-    pkt->nals_allocated = 0;
+    av_freep(&ctx->pkt.nals);
+    ctx->pkt.nals_allocated = 0;
+
+    av_freep(&ctx->pc.buffer);
 }
 
 AVCodecParser ff_hevc_parser = {
     .codec_ids      = { AV_CODEC_ID_HEVC },
-    .priv_data_size = sizeof(HEVCParseContext),
-    .parser_init    = hevc_init,
+    .priv_data_size = sizeof(HEVCParserContext),
     .parser_parse   = hevc_parse,
-    .parser_close   = hevc_close,
+    .parser_close   = hevc_parser_close,
     .split          = hevc_split,
 };