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Diffstat (limited to 'libavcodec/mimic.c')
-rw-r--r--libavcodec/mimic.c94
1 files changed, 65 insertions, 29 deletions
diff --git a/libavcodec/mimic.c b/libavcodec/mimic.c
index 8ab1c9e985..ecd837088d 100644
--- a/libavcodec/mimic.c
+++ b/libavcodec/mimic.c
@@ -44,7 +44,7 @@ typedef struct {
int cur_index;
int prev_index;
- AVFrame buf_ptrs [16];
+ ThreadFrame frames [16];
AVPicture flipped_ptrs[16];
DECLARE_ALIGNED(16, int16_t, dct_block)[64];
@@ -109,10 +109,31 @@ static const uint8_t col_zag[64] = {
53, 60, 61, 54, 47, 55, 62, 63,
};
+static av_cold int mimic_decode_end(AVCodecContext *avctx)
+{
+ MimicContext *ctx = avctx->priv_data;
+ int i;
+
+ av_free(ctx->swap_buf);
+
+ for (i = 0; i < FF_ARRAY_ELEMS(ctx->frames); i++) {
+ if (ctx->frames[i].f)
+ ff_thread_release_buffer(avctx, &ctx->frames[i]);
+ av_frame_free(&ctx->frames[i].f);
+ }
+
+ if (!avctx->internal->is_copy)
+ ff_free_vlc(&ctx->vlc);
+
+ return 0;
+}
+
static av_cold int mimic_decode_init(AVCodecContext *avctx)
{
MimicContext *ctx = avctx->priv_data;
- int ret;
+ int ret, i;
+
+ avctx->internal->allocate_progress = 1;
ctx->prev_index = 0;
ctx->cur_index = 15;
@@ -125,12 +146,21 @@ static av_cold int mimic_decode_init(AVCodecContext *avctx)
ff_dsputil_init(&ctx->dsp, avctx);
ff_init_scantable(ctx->dsp.idct_permutation, &ctx->scantable, col_zag);
+ for (i = 0; i < FF_ARRAY_ELEMS(ctx->frames); i++) {
+ ctx->frames[i].f = av_frame_alloc();
+ if (!ctx->frames[i].f) {
+ mimic_decode_end(avctx);
+ return AVERROR(ENOMEM);
+ }
+ }
+
return 0;
}
static int mimic_decode_update_thread_context(AVCodecContext *avctx, const AVCodecContext *avctx_from)
{
MimicContext *dst = avctx->priv_data, *src = avctx_from->priv_data;
+ int i, ret;
if (avctx == avctx_from)
return 0;
@@ -138,10 +168,16 @@ static int mimic_decode_update_thread_context(AVCodecContext *avctx, const AVCod
dst->cur_index = src->next_cur_index;
dst->prev_index = src->next_prev_index;
- memcpy(dst->buf_ptrs, src->buf_ptrs, sizeof(src->buf_ptrs));
memcpy(dst->flipped_ptrs, src->flipped_ptrs, sizeof(src->flipped_ptrs));
- memset(&dst->buf_ptrs[dst->cur_index], 0, sizeof(AVFrame));
+ for (i = 0; i < FF_ARRAY_ELEMS(dst->frames); i++) {
+ ff_thread_release_buffer(avctx, &dst->frames[i]);
+ if (src->frames[i].f->data[0]) {
+ ret = ff_thread_ref_frame(&dst->frames[i], &src->frames[i]);
+ if (ret < 0)
+ return ret;
+ }
+ }
return 0;
}
@@ -264,7 +300,7 @@ static int decode(MimicContext *ctx, int quality, int num_coeffs,
uint8_t *p = ctx->flipped_ptrs[index].data[0];
if (index != ctx->cur_index && p) {
- ff_thread_await_progress(&ctx->buf_ptrs[index],
+ ff_thread_await_progress(&ctx->frames[index],
cur_row, 0);
p += src -
ctx->flipped_ptrs[ctx->prev_index].data[plane];
@@ -275,7 +311,7 @@ static int decode(MimicContext *ctx, int quality, int num_coeffs,
}
}
} else {
- ff_thread_await_progress(&ctx->buf_ptrs[ctx->prev_index],
+ ff_thread_await_progress(&ctx->frames[ctx->prev_index],
cur_row, 0);
ctx->dsp.put_pixels_tab[1][0](dst, src, stride, 8);
}
@@ -285,7 +321,7 @@ static int decode(MimicContext *ctx, int quality, int num_coeffs,
src += (stride - ctx->num_hblocks[plane]) << 3;
dst += (stride - ctx->num_hblocks[plane]) << 3;
- ff_thread_report_progress(&ctx->buf_ptrs[ctx->cur_index],
+ ff_thread_report_progress(&ctx->frames[ctx->cur_index],
cur_row++, 0);
}
}
@@ -357,15 +393,16 @@ static int mimic_decode_frame(AVCodecContext *avctx, void *data,
return AVERROR_PATCHWELCOME;
}
- if (is_pframe && !ctx->buf_ptrs[ctx->prev_index].data[0]) {
+ if (is_pframe && !ctx->frames[ctx->prev_index].f->data[0]) {
av_log(avctx, AV_LOG_ERROR, "decoding must start with keyframe\n");
return AVERROR_INVALIDDATA;
}
- ctx->buf_ptrs[ctx->cur_index].reference = 1;
- ctx->buf_ptrs[ctx->cur_index].pict_type = is_pframe ? AV_PICTURE_TYPE_P :
- AV_PICTURE_TYPE_I;
- if ((res = ff_thread_get_buffer(avctx, &ctx->buf_ptrs[ctx->cur_index])) < 0) {
+ ff_thread_release_buffer(avctx, &ctx->frames[ctx->cur_index]);
+ ctx->frames[ctx->cur_index].f->pict_type = is_pframe ? AV_PICTURE_TYPE_P :
+ AV_PICTURE_TYPE_I;
+ if ((res = ff_thread_get_buffer(avctx, &ctx->frames[ctx->cur_index],
+ AV_GET_BUFFER_FLAG_REF)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return res;
}
@@ -374,7 +411,7 @@ static int mimic_decode_frame(AVCodecContext *avctx, void *data,
ctx->next_cur_index = (ctx->cur_index - 1) & 15;
prepare_avpic(ctx, &ctx->flipped_ptrs[ctx->cur_index],
- &ctx->buf_ptrs[ctx->cur_index]);
+ ctx->frames[ctx->cur_index].f);
ff_thread_finish_setup(avctx);
@@ -388,41 +425,39 @@ static int mimic_decode_frame(AVCodecContext *avctx, void *data,
init_get_bits(&ctx->gb, ctx->swap_buf, swap_buf_size << 3);
res = decode(ctx, quality, num_coeffs, !is_pframe);
- ff_thread_report_progress(&ctx->buf_ptrs[ctx->cur_index], INT_MAX, 0);
+ ff_thread_report_progress(&ctx->frames[ctx->cur_index], INT_MAX, 0);
if (res < 0) {
if (!(avctx->active_thread_type & FF_THREAD_FRAME)) {
- ff_thread_release_buffer(avctx, &ctx->buf_ptrs[ctx->cur_index]);
+ ff_thread_release_buffer(avctx, &ctx->frames[ctx->cur_index]);
return res;
}
}
- *(AVFrame*)data = ctx->buf_ptrs[ctx->cur_index];
+ if ((res = av_frame_ref(data, ctx->frames[ctx->cur_index].f)) < 0)
+ return res;
*got_frame = 1;
ctx->prev_index = ctx->next_prev_index;
ctx->cur_index = ctx->next_cur_index;
/* Only release frames that aren't used for backreferences anymore */
- if (ctx->buf_ptrs[ctx->cur_index].data[0])
- ff_thread_release_buffer(avctx, &ctx->buf_ptrs[ctx->cur_index]);
+ ff_thread_release_buffer(avctx, &ctx->frames[ctx->cur_index]);
return buf_size;
}
-static av_cold int mimic_decode_end(AVCodecContext *avctx)
+static av_cold int mimic_init_thread_copy(AVCodecContext *avctx)
{
MimicContext *ctx = avctx->priv_data;
int i;
- av_free(ctx->swap_buf);
-
- if (avctx->internal->is_copy)
- return 0;
-
- for (i = 0; i < 16; i++)
- if (ctx->buf_ptrs[i].data[0])
- ff_thread_release_buffer(avctx, &ctx->buf_ptrs[i]);
- ff_free_vlc(&ctx->vlc);
+ for (i = 0; i < FF_ARRAY_ELEMS(ctx->frames); i++) {
+ ctx->frames[i].f = av_frame_alloc();
+ if (!ctx->frames[i].f) {
+ mimic_decode_end(avctx);
+ return AVERROR(ENOMEM);
+ }
+ }
return 0;
}
@@ -437,5 +472,6 @@ AVCodec ff_mimic_decoder = {
.decode = mimic_decode_frame,
.capabilities = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS,
.long_name = NULL_IF_CONFIG_SMALL("Mimic"),
- .update_thread_context = ONLY_IF_THREADS_ENABLED(mimic_decode_update_thread_context)
+ .update_thread_context = ONLY_IF_THREADS_ENABLED(mimic_decode_update_thread_context),
+ .init_thread_copy = ONLY_IF_THREADS_ENABLED(mimic_init_thread_copy),
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 06:58:41 +0000