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ffv1: use the AVFrame API properly.

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This commit is contained in:
Anton Khirnov 2013-11-09 10:14:46 +01:00
parent 706a92926c
commit a6064b12b4
4 changed files with 47 additions and 24 deletions
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4
libavcodec/ffv1.c
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@ -141,8 +141,6 @@ av_cold int ffv1_common_init(AVCodecContext *avctx)
if (!avctx->width || !avctx->height)
return AVERROR_INVALIDDATA;
avcodec_get_frame_defaults(&s->picture);
ff_dsputil_init(&s->dsp, avctx);
s->width = avctx->width;
@ -271,8 +269,6 @@ av_cold int ffv1_close(AVCodecContext *avctx)
FFV1Context *s = avctx->priv_data;
int i, j;
av_frame_unref(&s->last_picture);
for (j = 0; j < s->slice_count; j++) {
FFV1Context *fs = s->slice_context[j];
for (i = 0; i < s->plane_count; i++) {

3
libavcodec/ffv1.h
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@ -79,7 +79,8 @@ typedef struct FFV1Context {
int transparency;
int flags;
int picture_number;
AVFrame picture, last_picture;
AVFrame *frame;
AVFrame *last_picture;
AVFrame *cur;
int plane_count;

29
libavcodec/ffv1dec.c
View File

@ -784,6 +784,10 @@ static av_cold int ffv1_decode_init(AVCodecContext *avctx)
ffv1_common_init(avctx);
f->last_picture = av_frame_alloc();
if (!f->last_picture)
return AVERROR(ENOMEM);
if (avctx->extradata && (ret = read_extra_header(f)) < 0)
return ret;
@ -876,7 +880,7 @@ static int ffv1_decode_frame(AVCodecContext *avctx, void *data,
for (i = f->slice_count - 1; i >= 0; i--) {
FFV1Context *fs = f->slice_context[i];
int j;
if (fs->slice_damaged && f->last_picture.data[0]) {
if (fs->slice_damaged && f->last_picture->data[0]) {
const uint8_t *src[4];
uint8_t *dst[4];
for (j = 0; j < 4; j++) {
@ -884,12 +888,12 @@ static int ffv1_decode_frame(AVCodecContext *avctx, void *data,
int sv = (j == 1 || j == 2) ? f->chroma_v_shift : 0;
dst[j] = p->data[j] + p->linesize[j] *
(fs->slice_y >> sv) + (fs->slice_x >> sh);
src[j] = f->last_picture.data[j] +
f->last_picture.linesize[j] *
src[j] = f->last_picture->data[j] +
f->last_picture->linesize[j] *
(fs->slice_y >> sv) + (fs->slice_x >> sh);
}
av_image_copy(dst, p->linesize, (const uint8_t **)src,
f->last_picture.linesize,
f->last_picture->linesize,
avctx->pix_fmt, fs->slice_width,
fs->slice_height);
}
@ -897,8 +901,8 @@ static int ffv1_decode_frame(AVCodecContext *avctx, void *data,
f->picture_number++;
av_frame_unref(&f->last_picture);
if ((ret = av_frame_ref(&f->last_picture, p)) < 0)
av_frame_unref(f->last_picture);
if ((ret = av_frame_ref(f->last_picture, p)) < 0)
return ret;
f->cur = NULL;
@ -907,6 +911,17 @@ static int ffv1_decode_frame(AVCodecContext *avctx, void *data,
return buf_size;
}
static av_cold int ffv1_decode_close(AVCodecContext *avctx)
{
FFV1Context *s = avctx->priv_data;;
av_frame_free(&s->last_picture);
ffv1_close(avctx);
return 0;
}
AVCodec ff_ffv1_decoder = {
.name = "ffv1",
.long_name = NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"),
@ -914,7 +929,7 @@ AVCodec ff_ffv1_decoder = {
.id = AV_CODEC_ID_FFV1,
.priv_data_size = sizeof(FFV1Context),
.init = ffv1_decode_init,
.close = ffv1_close,
.close = ffv1_decode_close,
.decode = ffv1_decode_frame,
.capabilities = CODEC_CAP_DR1 /*| CODEC_CAP_DRAW_HORIZ_BAND*/ |
CODEC_CAP_SLICE_THREADS,

35
libavcodec/ffv1enc.c
View File

@ -721,7 +721,12 @@ static av_cold int ffv1_encode_init(AVCodecContext *avctx)
if ((ret = ffv1_allocate_initial_states(s)) < 0)
return ret;
avctx->coded_frame = &s->picture;
avctx->coded_frame = av_frame_alloc();
if (!avctx->coded_frame)
return AVERROR(ENOMEM);
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
if (!s->transparency)
s->plane_count = 2;
@ -858,12 +863,12 @@ static void encode_slice_header(FFV1Context *f, FFV1Context *fs)
put_symbol(c, state, f->plane[j].quant_table_index, 0);
av_assert0(f->plane[j].quant_table_index == f->avctx->context_model);
}
if (!f->picture.interlaced_frame)
if (!f->avctx->coded_frame->interlaced_frame)
put_symbol(c, state, 3, 0);
else
put_symbol(c, state, 1 + !f->picture.top_field_first, 0);
put_symbol(c, state, f->picture.sample_aspect_ratio.num, 0);
put_symbol(c, state, f->picture.sample_aspect_ratio.den, 0);
put_symbol(c, state, 1 + !f->avctx->coded_frame->top_field_first, 0);
put_symbol(c, state, f->avctx->coded_frame->sample_aspect_ratio.num, 0);
put_symbol(c, state, f->avctx->coded_frame->sample_aspect_ratio.den, 0);
}
static int encode_slice(AVCodecContext *c, void *arg)
@ -874,12 +879,12 @@ static int encode_slice(AVCodecContext *c, void *arg)
int height = fs->slice_height;
int x = fs->slice_x;
int y = fs->slice_y;
AVFrame *const p = &f->picture;
const AVFrame *const p = f->frame;
const int ps = (av_pix_fmt_desc_get(c->pix_fmt)->flags & AV_PIX_FMT_FLAG_PLANAR)
? (f->bits_per_raw_sample > 8) + 1
: 4;
if (p->key_frame)
if (c->coded_frame->key_frame)
ffv1_clear_slice_state(f, fs);
if (f->version > 2) {
encode_slice_header(f, fs);
@ -926,12 +931,14 @@ static int ffv1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
{
FFV1Context *f = avctx->priv_data;
RangeCoder *const c = &f->slice_context[0]->c;
AVFrame *const p = &f->picture;
AVFrame *const p = avctx->coded_frame;
int used_count = 0;
uint8_t keystate = 128;
uint8_t *buf_p;
int i, ret;
f->frame = pict;
if ((ret = ff_alloc_packet(pkt, avctx->width * avctx->height *
((8 * 2 + 1 + 1) * 4) / 8 +
FF_MIN_BUFFER_SIZE)) < 0) {
@ -942,9 +949,6 @@ static int ffv1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
ff_init_range_encoder(c, pkt->data, pkt->size);
ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8);
*p = *pict;
p->pict_type = AV_PICTURE_TYPE_I;
if (avctx->gop_size == 0 || f->picture_number % avctx->gop_size == 0) {
put_rac(c, &keystate, 1);
p->key_frame = 1;
@ -1054,6 +1058,13 @@ static int ffv1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
return 0;
}
static av_cold int ffv1_encode_close(AVCodecContext *avctx)
{
av_frame_free(&avctx->coded_frame);
ffv1_close(avctx);
return 0;
}
#define OFFSET(x) offsetof(FFV1Context, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
@ -1082,7 +1093,7 @@ AVCodec ff_ffv1_encoder = {
.priv_data_size = sizeof(FFV1Context),
.init = ffv1_encode_init,
.encode2 = ffv1_encode_frame,
.close = ffv1_close,
.close = ffv1_encode_close,
.capabilities = CODEC_CAP_SLICE_THREADS,
.pix_fmts = (const enum AVPixelFormat[]) {
AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P,