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-rw-r--r--libavcodec/h264.c355
-rw-r--r--libavcodec/h264.h2
2 files changed, 230 insertions, 127 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 3d6da2ec54..ad3f15c3f3 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -1135,6 +1135,10 @@ static int decode_init_thread_copy(AVCodecContext *avctx)
memcpy(&to->start_field, &from->start_field, \
(char *)&to->end_field - (char *)&to->start_field)
+static int h264_slice_header_init(H264Context *, int);
+
+static int h264_set_parameter_from_sps(H264Context *h);
+
static int decode_update_thread_context(AVCodecContext *dst,
const AVCodecContext *src)
{
@@ -1146,11 +1150,42 @@ static int decode_update_thread_context(AVCodecContext *dst,
if (dst == src || !s1->context_initialized)
return 0;
+ if (inited &&
+ (s->width != s1->width ||
+ s->height != s1->height ||
+ s->mb_width != s1->mb_width ||
+ s->mb_height != s1->mb_height ||
+ h->sps.bit_depth_luma != h1->sps.bit_depth_luma ||
+ h->sps.chroma_format_idc != h1->sps.chroma_format_idc ||
+ h->sps.colorspace != h1->sps.colorspace)) {
+
+ av_freep(&h->bipred_scratchpad);
+
+ s->width = s1->width;
+ s->height = s1->height;
+ s->mb_height = s1->mb_height;
+ h->b_stride = h1->b_stride;
+
+ if ((err = h264_slice_header_init(h, 1)) < 0) {
+ av_log(h->s.avctx, AV_LOG_ERROR, "h264_slice_header_init() failed");
+ return err;
+ }
+ h->context_reinitialized = 1;
+
+ /* update linesize on resize for h264. The h264 decoder doesn't
+ * necessarily call ff_MPV_frame_start in the new thread */
+ s->linesize = s1->linesize;
+ s->uvlinesize = s1->uvlinesize;
+
+ /* copy block_offset since frame_start may not be called */
+ memcpy(h->block_offset, h1->block_offset, sizeof(h->block_offset));
+ h264_set_parameter_from_sps(h);
+ }
+
err = ff_mpeg_update_thread_context(dst, src);
if (err)
return err;
- // FIXME handle width/height changing
if (!inited) {
for (i = 0; i < MAX_SPS_COUNT; i++)
av_freep(h->sps_buffers + i);
@@ -2095,15 +2130,9 @@ static void idr(H264Context *h)
}
/* forget old pics after a seek */
-static void flush_dpb(AVCodecContext *avctx)
+static void flush_change(H264Context *h)
{
- H264Context *h = avctx->priv_data;
int i;
- for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++) {
- if (h->delayed_pic[i])
- h->delayed_pic[i]->f.reference = 0;
- h->delayed_pic[i] = NULL;
- }
for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++)
h->last_pocs[i] = INT_MIN;
h->outputed_poc = h->next_outputed_poc = INT_MIN;
@@ -2112,7 +2141,26 @@ static void flush_dpb(AVCodecContext *avctx)
if (h->s.current_picture_ptr)
h->s.current_picture_ptr->f.reference = 0;
h->s.first_field = 0;
+ memset(h->ref_list[0], 0, sizeof(h->ref_list[0]));
+ memset(h->ref_list[1], 0, sizeof(h->ref_list[1]));
+ memset(h->default_ref_list[0], 0, sizeof(h->default_ref_list[0]));
+ memset(h->default_ref_list[1], 0, sizeof(h->default_ref_list[1]));
ff_h264_reset_sei(h);
+}
+
+/* forget old pics after a seek */
+static void flush_dpb(AVCodecContext *avctx)
+{
+ H264Context *h = avctx->priv_data;
+ int i;
+
+ for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++) {
+ if (h->delayed_pic[i])
+ h->delayed_pic[i]->f.reference = 0;
+ h->delayed_pic[i] = NULL;
+ }
+
+ flush_change(h);
ff_mpeg_flush(avctx);
}
@@ -2400,6 +2448,127 @@ static int h264_set_parameter_from_sps(H264Context *h)
return 0;
}
+static enum PixelFormat get_pixel_format(H264Context *h)
+{
+ MpegEncContext *const s = &h->s;
+ switch (h->sps.bit_depth_luma) {
+ case 9:
+ if (CHROMA444) {
+ if (s->avctx->colorspace == AVCOL_SPC_RGB) {
+ return AV_PIX_FMT_GBRP9;
+ } else
+ return AV_PIX_FMT_YUV444P9;
+ } else if (CHROMA422)
+ return AV_PIX_FMT_YUV422P9;
+ else
+ return AV_PIX_FMT_YUV420P9;
+ break;
+ case 10:
+ if (CHROMA444) {
+ if (s->avctx->colorspace == AVCOL_SPC_RGB) {
+ return AV_PIX_FMT_GBRP10;
+ } else
+ return AV_PIX_FMT_YUV444P10;
+ } else if (CHROMA422)
+ return AV_PIX_FMT_YUV422P10;
+ else
+ return AV_PIX_FMT_YUV420P10;
+ break;
+ case 8:
+ if (CHROMA444) {
+ if (s->avctx->colorspace == AVCOL_SPC_RGB) {
+ return AV_PIX_FMT_GBRP;
+ } else
+ return s->avctx->color_range == AVCOL_RANGE_JPEG ? AV_PIX_FMT_YUVJ444P
+ : AV_PIX_FMT_YUV444P;
+ } else if (CHROMA422) {
+ return s->avctx->color_range == AVCOL_RANGE_JPEG ? AV_PIX_FMT_YUVJ422P
+ : AV_PIX_FMT_YUV422P;
+ } else {
+ return s->avctx->get_format(s->avctx, s->avctx->codec->pix_fmts ?
+ s->avctx->codec->pix_fmts :
+ s->avctx->color_range == AVCOL_RANGE_JPEG ?
+ hwaccel_pixfmt_list_h264_jpeg_420 :
+ ff_hwaccel_pixfmt_list_420);
+ }
+ break;
+ default:
+ av_log(s->avctx, AV_LOG_ERROR,
+ "Unsupported bit depth: %d\n", h->sps.bit_depth_luma);
+ return AVERROR_INVALIDDATA;
+ }
+}
+
+static int h264_slice_header_init(H264Context *h, int reinit)
+{
+ MpegEncContext *const s = &h->s;
+ int i, ret;
+
+ avcodec_set_dimensions(s->avctx, s->width, s->height);
+ s->avctx->sample_aspect_ratio = h->sps.sar;
+ av_assert0(s->avctx->sample_aspect_ratio.den);
+
+ if (h->sps.timing_info_present_flag) {
+ int64_t den = h->sps.time_scale;
+ if (h->x264_build < 44U)
+ den *= 2;
+ av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,
+ h->sps.num_units_in_tick, den, 1 << 30);
+ }
+
+ s->avctx->hwaccel = ff_find_hwaccel(s->avctx->codec->id, s->avctx->pix_fmt);
+
+ if (reinit) {
+ free_tables(h, 0);
+ if ((ret = ff_MPV_common_frame_size_change(s)) < 0) {
+ av_log(h->s.avctx, AV_LOG_ERROR, "ff_MPV_common_frame_size_change() failed.\n");
+ return ret;
+ }
+ } else {
+ if ((ret = ff_MPV_common_init(s) < 0)) {
+ av_log(h->s.avctx, AV_LOG_ERROR, "ff_MPV_common_init() failed.\n");
+ return ret;
+ }
+ }
+ s->first_field = 0;
+ h->prev_interlaced_frame = 1;
+
+ init_scan_tables(h);
+ if (ff_h264_alloc_tables(h) < 0) {
+ av_log(h->s.avctx, AV_LOG_ERROR,
+ "Could not allocate memory for h264\n");
+ return AVERROR(ENOMEM);
+ }
+
+ if (!HAVE_THREADS || !(s->avctx->active_thread_type & FF_THREAD_SLICE)) {
+ if (context_init(h) < 0) {
+ av_log(h->s.avctx, AV_LOG_ERROR, "context_init() failed.\n");
+ return -1;
+ }
+ } else {
+ for (i = 1; i < s->slice_context_count; i++) {
+ H264Context *c;
+ c = h->thread_context[i] = av_malloc(sizeof(H264Context));
+ memcpy(c, h->s.thread_context[i], sizeof(MpegEncContext));
+ memset(&c->s + 1, 0, sizeof(H264Context) - sizeof(MpegEncContext));
+ c->h264dsp = h->h264dsp;
+ c->sps = h->sps;
+ c->pps = h->pps;
+ c->pixel_shift = h->pixel_shift;
+ init_scan_tables(c);
+ clone_tables(c, h, i);
+ }
+
+ for (i = 0; i < s->slice_context_count; i++)
+ if (context_init(h->thread_context[i]) < 0) {
+ av_log(h->s.avctx, AV_LOG_ERROR, "context_init() failed.\n");
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
/**
* Decode a slice header.
* This will also call ff_MPV_common_init() and frame_start() as needed.
@@ -2420,6 +2589,8 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
unsigned int slice_type, tmp, i, j;
int default_ref_list_done = 0;
int last_pic_structure, last_pic_droppable;
+ int needs_reinit = 0;
+ enum AVPixelFormat pix_fmt;
/* FIXME: 2tap qpel isn't implemented for high bit depth. */
if ((s->avctx->flags2 & CODEC_FLAG2_FAST) &&
@@ -2494,6 +2665,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
}
if (h->pps.sps_id != h->current_sps_id ||
+ h->context_reinitialized ||
h0->sps_buffers[h->pps.sps_id]->new) {
h0->sps_buffers[h->pps.sps_id]->new = 0;
@@ -2508,6 +2680,10 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
s->avctx->level = h->sps.level_idc;
s->avctx->refs = h->sps.ref_frame_count;
+ if (s->mb_width != h->sps.mb_width ||
+ s->mb_height != h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag))
+ needs_reinit = 1;
+
s->mb_width = h->sps.mb_width;
s->mb_height = h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
@@ -2527,137 +2703,61 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
s->height = s->avctx->height;
}
- if (s->context_initialized &&
- (s->width != s->avctx->width || s->height != s->avctx->height ||
- av_cmp_q(h->sps.sar, s->avctx->sample_aspect_ratio))) {
- if (h != h0 || (HAVE_THREADS && h->s.avctx->active_thread_type & FF_THREAD_FRAME)) {
- av_log_missing_feature(s->avctx,
- "Width/height changing with threads", 0);
- return AVERROR_PATCHWELCOME; // width / height changed during parallelized decoding
+ if (h->sps.video_signal_type_present_flag) {
+ s->avctx->color_range = h->sps.full_range ? AVCOL_RANGE_JPEG
+ : AVCOL_RANGE_MPEG;
+ if (h->sps.colour_description_present_flag) {
+ s->avctx->color_primaries = h->sps.color_primaries;
+ s->avctx->color_trc = h->sps.color_trc;
+ s->avctx->colorspace = h->sps.colorspace;
}
- free_tables(h, 0);
- flush_dpb(s->avctx);
- ff_MPV_common_end(s);
}
- if (!s->context_initialized) {
- if (h != h0) {
- av_log(h->s.avctx, AV_LOG_ERROR,
- "Cannot (re-)initialize context during parallel decoding.\n");
- return -1;
- }
- avcodec_set_dimensions(s->avctx, s->width, s->height);
- s->avctx->sample_aspect_ratio = h->sps.sar;
- av_assert0(s->avctx->sample_aspect_ratio.den);
-
- if (h->sps.video_signal_type_present_flag) {
- s->avctx->color_range = h->sps.full_range ? AVCOL_RANGE_JPEG
- : AVCOL_RANGE_MPEG;
- if (h->sps.colour_description_present_flag) {
- s->avctx->color_primaries = h->sps.color_primaries;
- s->avctx->color_trc = h->sps.color_trc;
- s->avctx->colorspace = h->sps.colorspace;
- }
- }
+ ret = get_pixel_format(h);
+ if (ret < 0)
+ return ret;
+ else
+ pix_fmt = ret;
+ if (s->avctx->pix_fmt == PIX_FMT_NONE)
+ s->avctx->pix_fmt = pix_fmt;
- if (h->sps.timing_info_present_flag) {
- int64_t den = h->sps.time_scale;
- if (h->x264_build < 44U)
- den *= 2;
- av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,
- h->sps.num_units_in_tick, den, 1 << 30);
- }
+ if (s->context_initialized &&
+ (s->width != s->avctx->width ||
+ s->height != s->avctx->height ||
+ pix_fmt != s->avctx->pix_fmt ||
+ needs_reinit ||
+ av_cmp_q(h->sps.sar, s->avctx->sample_aspect_ratio))) {
- switch (h->sps.bit_depth_luma) {
- case 9:
- if (CHROMA444) {
- if (s->avctx->colorspace == AVCOL_SPC_RGB) {
- s->avctx->pix_fmt = AV_PIX_FMT_GBRP9;
- } else
- s->avctx->pix_fmt = AV_PIX_FMT_YUV444P9;
- } else if (CHROMA422)
- s->avctx->pix_fmt = AV_PIX_FMT_YUV422P9;
- else
- s->avctx->pix_fmt = AV_PIX_FMT_YUV420P9;
- break;
- case 10:
- if (CHROMA444) {
- if (s->avctx->colorspace == AVCOL_SPC_RGB) {
- s->avctx->pix_fmt = AV_PIX_FMT_GBRP10;
- } else
- s->avctx->pix_fmt = AV_PIX_FMT_YUV444P10;
- } else if (CHROMA422)
- s->avctx->pix_fmt = AV_PIX_FMT_YUV422P10;
- else
- s->avctx->pix_fmt = AV_PIX_FMT_YUV420P10;
- break;
- case 8:
- if (CHROMA444) {
- if (s->avctx->colorspace == AVCOL_SPC_RGB) {
- s->avctx->pix_fmt = AV_PIX_FMT_GBRP;
- } else
- s->avctx->pix_fmt = s->avctx->color_range == AVCOL_RANGE_JPEG ? AV_PIX_FMT_YUVJ444P
- : AV_PIX_FMT_YUV444P;
- } else if (CHROMA422) {
- s->avctx->pix_fmt = s->avctx->color_range == AVCOL_RANGE_JPEG ? AV_PIX_FMT_YUVJ422P
- : AV_PIX_FMT_YUV422P;
- } else {
- s->avctx->pix_fmt = s->avctx->get_format(s->avctx,
- s->avctx->codec->pix_fmts ?
- s->avctx->codec->pix_fmts :
- s->avctx->color_range == AVCOL_RANGE_JPEG ?
- hwaccel_pixfmt_list_h264_jpeg_420 :
- ff_hwaccel_pixfmt_list_420);
- }
- break;
- default:
- av_log(s->avctx, AV_LOG_ERROR,
- "Unsupported bit depth: %d\n", h->sps.bit_depth_luma);
+ if (h != h0) {
+ av_log(s->avctx, AV_LOG_ERROR, "changing width/height on "
+ "slice %d\n", h0->current_slice + 1);
return AVERROR_INVALIDDATA;
}
- s->avctx->hwaccel = ff_find_hwaccel(s->avctx->codec->id,
- s->avctx->pix_fmt);
+ av_log(h->s.avctx, AV_LOG_INFO, "Reinit context to %dx%d, "
+ "pix_fmt: %d\n", s->width, s->height, pix_fmt);
- if (ff_MPV_common_init(s) < 0) {
- av_log(h->s.avctx, AV_LOG_ERROR, "ff_MPV_common_init() failed.\n");
- return -1;
- }
- s->first_field = 0;
- h->prev_interlaced_frame = 1;
+ flush_change(h);
- init_scan_tables(h);
- if (ff_h264_alloc_tables(h) < 0) {
+ s->avctx->pix_fmt = pix_fmt;
+
+ if ((ret = h264_slice_header_init(h, 1)) < 0) {
av_log(h->s.avctx, AV_LOG_ERROR,
- "Could not allocate memory for h264\n");
- return AVERROR(ENOMEM);
+ "h264_slice_header_init() failed\n");
+ return ret;
}
-
- if (!HAVE_THREADS || !(s->avctx->active_thread_type & FF_THREAD_SLICE)) {
- if (context_init(h) < 0) {
- av_log(h->s.avctx, AV_LOG_ERROR, "context_init() failed.\n");
- return -1;
- }
- } else {
- for (i = 1; i < s->slice_context_count; i++) {
- H264Context *c;
- c = h->thread_context[i] = av_malloc(sizeof(H264Context));
- memcpy(c, h->s.thread_context[i], sizeof(MpegEncContext));
- memset(&c->s + 1, 0, sizeof(H264Context) - sizeof(MpegEncContext));
- c->h264dsp = h->h264dsp;
- c->sps = h->sps;
- c->pps = h->pps;
- c->pixel_shift = h->pixel_shift;
- init_scan_tables(c);
- clone_tables(c, h, i);
- }
-
- for (i = 0; i < s->slice_context_count; i++)
- if (context_init(h->thread_context[i]) < 0) {
- av_log(h->s.avctx, AV_LOG_ERROR,
- "context_init() failed.\n");
- return -1;
- }
+ h->context_reinitialized = 1;
+ }
+ if (!s->context_initialized) {
+ if (h != h0) {
+ av_log(h->s.avctx, AV_LOG_ERROR,
+ "Cannot (re-)initialize context during parallel decoding.\n");
+ return -1;
+ }
+ if ((ret = h264_slice_header_init(h, 0)) < 0) {
+ av_log(h->s.avctx, AV_LOG_ERROR,
+ "h264_slice_header_init() failed\n");
+ return ret;
}
}
@@ -4097,6 +4197,7 @@ out:
decode_postinit(h, 1);
field_end(h, 0);
+ h->context_reinitialized = 0;
if (!h->next_output_pic) {
/* Wait for second field. */
diff --git a/libavcodec/h264.h b/libavcodec/h264.h
index 6691be4a94..8596121aab 100644
--- a/libavcodec/h264.h
+++ b/libavcodec/h264.h
@@ -448,6 +448,8 @@ typedef struct H264Context {
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 context_reinitialized;
+
SPS *sps_buffers[MAX_SPS_COUNT];
PPS *pps_buffers[MAX_PPS_COUNT];
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-20 16:08:01 +0000