diff --git a/libavcodec/h264.c b/libavcodec/h264.c index a54124cafa..e882bc3d22 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -1116,13 +1116,6 @@ static void flush_dpb(AVCodecContext *avctx) h->mb_x = h->mb_y = 0; - h->parse_context.state = -1; - h->parse_context.frame_start_found = 0; - h->parse_context.overread = 0; - h->parse_context.overread_index = 0; - h->parse_context.index = 0; - h->parse_context.last_index = 0; - ff_h264_free_tables(h, 1); h->context_initialized = 0; } diff --git a/libavcodec/h264.h b/libavcodec/h264.h index f4fa2098a7..a76ee37343 100644 --- a/libavcodec/h264.h +++ b/libavcodec/h264.h @@ -343,7 +343,6 @@ typedef struct H264Context { H264DSPContext h264dsp; H264ChromaContext h264chroma; H264QpelContext h264qpel; - ParseContext parse_context; GetBitContext gb; ERContext er; @@ -564,7 +563,6 @@ typedef struct H264Context { */ int is_avc; ///< this flag is != 0 if codec is avc1 int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4) - int got_first; ///< this flag is != 0 if we've parsed a frame int bit_depth_luma; ///< luma bit depth from sps to detect changes int chroma_format_idc; ///< chroma format from sps to detect changes diff --git a/libavcodec/h264_parser.c b/libavcodec/h264_parser.c index 6e87efabe8..24d87d0709 100644 --- a/libavcodec/h264_parser.c +++ b/libavcodec/h264_parser.c @@ -34,15 +34,22 @@ #include "internal.h" #include "mpegutils.h" +typedef struct H264ParseContext { + H264Context h; + ParseContext pc; + int got_first; +} H264ParseContext; -static int h264_find_frame_end(H264Context *h, const uint8_t *buf, + +static int h264_find_frame_end(H264ParseContext *p, const uint8_t *buf, int buf_size) { + H264Context *h = &p->h; int i, j; uint32_t state; - ParseContext *pc = &h->parse_context; - int next_avc= h->is_avc ? 0 : buf_size; + ParseContext *pc = &p->pc; + int next_avc= h->is_avc ? 0 : buf_size; // mb_addr= pc->mb_addr - 1; state = pc->state; if (state > 13) @@ -124,7 +131,8 @@ found: static int scan_mmco_reset(AVCodecParserContext *s) { - H264Context *h = s->priv_data; + H264ParseContext *p = s->priv_data; + H264Context *h = &p->h; h->slice_type_nos = s->pict_type & 3; @@ -204,7 +212,8 @@ static inline int parse_nal_units(AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t * const buf, int buf_size) { - H264Context *h = s->priv_data; + H264ParseContext *p = s->priv_data; + H264Context *h = &p->h; int buf_index, next_avc; unsigned int pps_id; unsigned int slice_type; @@ -455,12 +464,13 @@ static int h264_parse(AVCodecParserContext *s, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size) { - H264Context *h = s->priv_data; - ParseContext *pc = &h->parse_context; + H264ParseContext *p = s->priv_data; + H264Context *h = &p->h; + ParseContext *pc = &p->pc; int next; - if (!h->got_first) { - h->got_first = 1; + if (!p->got_first) { + p->got_first = 1; if (avctx->extradata_size) { h->avctx = avctx; // must be done like in decoder, otherwise opening the parser, @@ -476,7 +486,7 @@ static int h264_parse(AVCodecParserContext *s, if (s->flags & PARSER_FLAG_COMPLETE_FRAMES) { next = buf_size; } else { - next = h264_find_frame_end(h, buf, buf_size); + next = h264_find_frame_end(p, buf, buf_size); if (ff_combine_frame(pc, next, &buf, &buf_size) < 0) { *poutbuf = NULL; @@ -486,7 +496,7 @@ static int h264_parse(AVCodecParserContext *s, if (next < 0 && next != END_NOT_FOUND) { av_assert1(pc->last_index + next >= 0); - h264_find_frame_end(h, &pc->buffer[pc->last_index + next], -next); // update state + h264_find_frame_end(p, &pc->buffer[pc->last_index + next], -next); // update state } } @@ -549,8 +559,9 @@ static int h264_split(AVCodecContext *avctx, static void close(AVCodecParserContext *s) { - H264Context *h = s->priv_data; - ParseContext *pc = &h->parse_context; + H264ParseContext *p = s->priv_data; + H264Context *h = &p->h; + ParseContext *pc = &p->pc; av_freep(&pc->buffer); ff_h264_free_context(h); @@ -558,7 +569,8 @@ static void close(AVCodecParserContext *s) static av_cold int init(AVCodecParserContext *s) { - H264Context *h = s->priv_data; + H264ParseContext *p = s->priv_data; + H264Context *h = &p->h; h->thread_context[0] = h; h->slice_context_count = 1; ff_h264dsp_init(&h->h264dsp, 8, 1); @@ -567,7 +579,7 @@ static av_cold int init(AVCodecParserContext *s) AVCodecParser ff_h264_parser = { .codec_ids = { AV_CODEC_ID_H264 }, - .priv_data_size = sizeof(H264Context), + .priv_data_size = sizeof(H264ParseContext), .parser_init = init, .parser_parse = h264_parse, .parser_close = close,