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avcodec/diracdec: avoid depending on sizeof(AVFrame) 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
tags/n2.2-rc1
Michael Niedermayer 12 years ago
parent
c5f7c8f9a9
commit
fca7943850
1 changed files with 57 additions and 46 deletions
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  1. +57
    -46
      libavcodec/diracdec.c

+ 57
- 46
libavcodec/diracdec.c View File

@@ -80,7 +80,7 @@
#define DIVRNDUP(a, b) (((a) + (b) - 1) / (b))

typedef struct {
AVFrame avframe;
AVFrame *avframe;
int interpolated[3]; /* 1 if hpel[] is valid */
uint8_t *hpel[3][4];
uint8_t *hpel_base[3][4];
@@ -291,7 +291,7 @@ static DiracFrame *remove_frame(DiracFrame *framelist[], int picnum)
int i, remove_idx = -1;

for (i = 0; framelist[i]; i++)
if (framelist[i]->avframe.display_picture_number == picnum) {
if (framelist[i]->avframe->display_picture_number == picnum) {
remove_pic = framelist[i];
remove_idx = i;
}
@@ -364,8 +364,8 @@ static void free_sequence_buffers(DiracContext *s)
int i, j, k;

for (i = 0; i < MAX_FRAMES; i++) {
if (s->all_frames[i].avframe.data[0]) {
av_frame_unref(&s->all_frames[i].avframe);
if (s->all_frames[i].avframe->data[0]) {
av_frame_unref(s->all_frames[i].avframe);
memset(s->all_frames[i].interpolated, 0, sizeof(s->all_frames[i].interpolated));
}

@@ -393,6 +393,8 @@ static void free_sequence_buffers(DiracContext *s)
static av_cold int dirac_decode_init(AVCodecContext *avctx)
{
DiracContext *s = avctx->priv_data;
int i;

s->avctx = avctx;
s->frame_number = -1;

@@ -404,6 +406,9 @@ static av_cold int dirac_decode_init(AVCodecContext *avctx)
ff_dsputil_init(&s->dsp, avctx);
ff_diracdsp_init(&s->diracdsp);

for (i = 0; i < MAX_FRAMES; i++)
s->all_frames[i].avframe = av_frame_alloc();

return 0;
}

@@ -417,7 +422,13 @@ static void dirac_decode_flush(AVCodecContext *avctx)

static av_cold int dirac_decode_end(AVCodecContext *avctx)
{
DiracContext *s = avctx->priv_data;
int i;

dirac_decode_flush(avctx);
for (i = 0; i < MAX_FRAMES; i++)
av_frame_free(&s->all_frames[i].avframe);

return 0;
}

@@ -1519,8 +1530,8 @@ static void interpolate_refplane(DiracContext *s, DiracFrame *ref, int plane, in
just use 8 for everything for the moment */
int i, edge = EDGE_WIDTH/2;

ref->hpel[plane][0] = ref->avframe.data[plane];
s->dsp.draw_edges(ref->hpel[plane][0], ref->avframe.linesize[plane], width, height, edge, edge, EDGE_TOP | EDGE_BOTTOM); /* EDGE_TOP | EDGE_BOTTOM values just copied to make it build, this needs to be ensured */
ref->hpel[plane][0] = ref->avframe->data[plane];
s->dsp.draw_edges(ref->hpel[plane][0], ref->avframe->linesize[plane], width, height, edge, edge, EDGE_TOP | EDGE_BOTTOM); /* EDGE_TOP | EDGE_BOTTOM values just copied to make it build, this needs to be ensured */

/* no need for hpel if we only have fpel vectors */
if (!s->mv_precision)
@@ -1528,18 +1539,18 @@ static void interpolate_refplane(DiracContext *s, DiracFrame *ref, int plane, in

for (i = 1; i < 4; i++) {
if (!ref->hpel_base[plane][i])
ref->hpel_base[plane][i] = av_malloc((height+2*edge) * ref->avframe.linesize[plane] + 32);
ref->hpel_base[plane][i] = av_malloc((height+2*edge) * ref->avframe->linesize[plane] + 32);
/* we need to be 16-byte aligned even for chroma */
ref->hpel[plane][i] = ref->hpel_base[plane][i] + edge*ref->avframe.linesize[plane] + 16;
ref->hpel[plane][i] = ref->hpel_base[plane][i] + edge*ref->avframe->linesize[plane] + 16;
}

if (!ref->interpolated[plane]) {
s->diracdsp.dirac_hpel_filter(ref->hpel[plane][1], ref->hpel[plane][2],
ref->hpel[plane][3], ref->hpel[plane][0],
ref->avframe.linesize[plane], width, height);
s->dsp.draw_edges(ref->hpel[plane][1], ref->avframe.linesize[plane], width, height, edge, edge, EDGE_TOP | EDGE_BOTTOM);
s->dsp.draw_edges(ref->hpel[plane][2], ref->avframe.linesize[plane], width, height, edge, edge, EDGE_TOP | EDGE_BOTTOM);
s->dsp.draw_edges(ref->hpel[plane][3], ref->avframe.linesize[plane], width, height, edge, edge, EDGE_TOP | EDGE_BOTTOM);
ref->avframe->linesize[plane], width, height);
s->dsp.draw_edges(ref->hpel[plane][1], ref->avframe->linesize[plane], width, height, edge, edge, EDGE_TOP | EDGE_BOTTOM);
s->dsp.draw_edges(ref->hpel[plane][2], ref->avframe->linesize[plane], width, height, edge, edge, EDGE_TOP | EDGE_BOTTOM);
s->dsp.draw_edges(ref->hpel[plane][3], ref->avframe->linesize[plane], width, height, edge, edge, EDGE_TOP | EDGE_BOTTOM);
}
ref->interpolated[plane] = 1;
}
@@ -1565,7 +1576,7 @@ static int dirac_decode_frame_internal(DiracContext *s)

for (comp = 0; comp < 3; comp++) {
Plane *p = &s->plane[comp];
uint8_t *frame = s->current_picture->avframe.data[comp];
uint8_t *frame = s->current_picture->avframe->data[comp];

/* FIXME: small resolutions */
for (i = 0; i < 4; i++)
@@ -1640,7 +1651,7 @@ static int dirac_decode_picture_header(DiracContext *s)
GetBitContext *gb = &s->gb;

/* [DIRAC_STD] 11.1.1 Picture Header. picture_header() PICTURE_NUM */
picnum = s->current_picture->avframe.display_picture_number = get_bits_long(gb, 32);
picnum = s->current_picture->avframe->display_picture_number = get_bits_long(gb, 32);


av_log(s->avctx,AV_LOG_DEBUG,"PICTURE_NUM: %d\n",picnum);
@@ -1659,9 +1670,9 @@ static int dirac_decode_picture_header(DiracContext *s)
/* Jordi: this is needed if the referenced picture hasn't yet arrived */
for (j = 0; j < MAX_REFERENCE_FRAMES && refdist; j++)
if (s->ref_frames[j]
&& FFABS(s->ref_frames[j]->avframe.display_picture_number - refnum) < refdist) {
&& FFABS(s->ref_frames[j]->avframe->display_picture_number - refnum) < refdist) {
s->ref_pics[i] = s->ref_frames[j];
refdist = FFABS(s->ref_frames[j]->avframe.display_picture_number - refnum);
refdist = FFABS(s->ref_frames[j]->avframe->display_picture_number - refnum);
}

if (!s->ref_pics[i] || refdist)
@@ -1670,21 +1681,21 @@ static int dirac_decode_picture_header(DiracContext *s)
/* if there were no references at all, allocate one */
if (!s->ref_pics[i])
for (j = 0; j < MAX_FRAMES; j++)
if (!s->all_frames[j].avframe.data[0]) {
if (!s->all_frames[j].avframe->data[0]) {
s->ref_pics[i] = &s->all_frames[j];
ff_get_buffer(s->avctx, &s->ref_pics[i]->avframe, AV_GET_BUFFER_FLAG_REF);
ff_get_buffer(s->avctx, s->ref_pics[i]->avframe, AV_GET_BUFFER_FLAG_REF);
break;
}
}

/* retire the reference frames that are not used anymore */
if (s->current_picture->avframe.reference) {
if (s->current_picture->avframe->reference) {
retire = picnum + dirac_get_se_golomb(gb);
if (retire != picnum) {
DiracFrame *retire_pic = remove_frame(s->ref_frames, retire);

if (retire_pic)
retire_pic->avframe.reference &= DELAYED_PIC_REF;
retire_pic->avframe->reference &= DELAYED_PIC_REF;
else
av_log(s->avctx, AV_LOG_DEBUG, "Frame to retire not found\n");
}
@@ -1692,7 +1703,7 @@ static int dirac_decode_picture_header(DiracContext *s)
/* if reference array is full, remove the oldest as per the spec */
while (add_frame(s->ref_frames, MAX_REFERENCE_FRAMES, s->current_picture)) {
av_log(s->avctx, AV_LOG_ERROR, "Reference frame overflow\n");
remove_frame(s->ref_frames, s->ref_frames[0]->avframe.display_picture_number)->avframe.reference &= DELAYED_PIC_REF;
remove_frame(s->ref_frames, s->ref_frames[0]->avframe->display_picture_number)->avframe->reference &= DELAYED_PIC_REF;
}
}

@@ -1717,7 +1728,7 @@ static int get_delayed_pic(DiracContext *s, AVFrame *picture, int *got_frame)

/* find frame with lowest picture number */
for (i = 1; s->delay_frames[i]; i++)
if (s->delay_frames[i]->avframe.display_picture_number < out->avframe.display_picture_number) {
if (s->delay_frames[i]->avframe->display_picture_number < out->avframe->display_picture_number) {
out = s->delay_frames[i];
out_idx = i;
}
@@ -1726,9 +1737,9 @@ static int get_delayed_pic(DiracContext *s, AVFrame *picture, int *got_frame)
s->delay_frames[i] = s->delay_frames[i+1];

if (out) {
out->avframe.reference ^= DELAYED_PIC_REF;
out->avframe->reference ^= DELAYED_PIC_REF;
*got_frame = 1;
if((ret = av_frame_ref(picture, &out->avframe)) < 0)
if((ret = av_frame_ref(picture, out->avframe)) < 0)
return ret;
}

@@ -1790,14 +1801,14 @@ static int dirac_decode_data_unit(AVCodecContext *avctx, const uint8_t *buf, int

/* find an unused frame */
for (i = 0; i < MAX_FRAMES; i++)
if (s->all_frames[i].avframe.data[0] == NULL)
if (s->all_frames[i].avframe->data[0] == NULL)
pic = &s->all_frames[i];
if (!pic) {
av_log(avctx, AV_LOG_ERROR, "framelist full\n");
return -1;
}

avcodec_get_frame_defaults(&pic->avframe);
av_frame_unref(pic->avframe);

/* [DIRAC_STD] Defined in 9.6.1 ... */
tmp = parse_code & 0x03; /* [DIRAC_STD] num_refs() */
@@ -1808,16 +1819,16 @@ static int dirac_decode_data_unit(AVCodecContext *avctx, const uint8_t *buf, int
s->num_refs = tmp;
s->is_arith = (parse_code & 0x48) == 0x08; /* [DIRAC_STD] using_ac() */
s->low_delay = (parse_code & 0x88) == 0x88; /* [DIRAC_STD] is_low_delay() */
pic->avframe.reference = (parse_code & 0x0C) == 0x0C; /* [DIRAC_STD] is_reference() */
pic->avframe.key_frame = s->num_refs == 0; /* [DIRAC_STD] is_intra() */
pic->avframe.pict_type = s->num_refs + 1; /* Definition of AVPictureType in avutil.h */
pic->avframe->reference = (parse_code & 0x0C) == 0x0C; /* [DIRAC_STD] is_reference() */
pic->avframe->key_frame = s->num_refs == 0; /* [DIRAC_STD] is_intra() */
pic->avframe->pict_type = s->num_refs + 1; /* Definition of AVPictureType in avutil.h */

if ((ret = ff_get_buffer(avctx, &pic->avframe, (parse_code & 0x0C) == 0x0C ? AV_GET_BUFFER_FLAG_REF : 0)) < 0)
if ((ret = ff_get_buffer(avctx, pic->avframe, (parse_code & 0x0C) == 0x0C ? AV_GET_BUFFER_FLAG_REF : 0)) < 0)
return ret;
s->current_picture = pic;
s->plane[0].stride = pic->avframe.linesize[0];
s->plane[1].stride = pic->avframe.linesize[1];
s->plane[2].stride = pic->avframe.linesize[2];
s->plane[0].stride = pic->avframe->linesize[0];
s->plane[1].stride = pic->avframe->linesize[1];
s->plane[2].stride = pic->avframe->linesize[2];

/* [DIRAC_STD] 11.1 Picture parse. picture_parse() */
if (dirac_decode_picture_header(s))
@@ -1833,7 +1844,7 @@ static int dirac_decode_data_unit(AVCodecContext *avctx, const uint8_t *buf, int
static int dirac_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *pkt)
{
DiracContext *s = avctx->priv_data;
DiracFrame *picture = data;
AVFrame *picture = data;
uint8_t *buf = pkt->data;
int buf_size = pkt->size;
int i, data_unit_size, buf_idx = 0;
@@ -1841,8 +1852,8 @@ static int dirac_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,

/* release unused frames */
for (i = 0; i < MAX_FRAMES; i++)
if (s->all_frames[i].avframe.data[0] && !s->all_frames[i].avframe.reference) {
av_frame_unref(&s->all_frames[i].avframe);
if (s->all_frames[i].avframe->data[0] && !s->all_frames[i].avframe->reference) {
av_frame_unref(s->all_frames[i].avframe);
memset(s->all_frames[i].interpolated, 0, sizeof(s->all_frames[i].interpolated));
}

@@ -1887,40 +1898,40 @@ static int dirac_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
if (!s->current_picture)
return buf_size;

if (s->current_picture->avframe.display_picture_number > s->frame_number) {
if (s->current_picture->avframe->display_picture_number > s->frame_number) {
DiracFrame *delayed_frame = remove_frame(s->delay_frames, s->frame_number);

s->current_picture->avframe.reference |= DELAYED_PIC_REF;
s->current_picture->avframe->reference |= DELAYED_PIC_REF;

if (add_frame(s->delay_frames, MAX_DELAY, s->current_picture)) {
int min_num = s->delay_frames[0]->avframe.display_picture_number;
int min_num = s->delay_frames[0]->avframe->display_picture_number;
/* Too many delayed frames, so we display the frame with the lowest pts */
av_log(avctx, AV_LOG_ERROR, "Delay frame overflow\n");
delayed_frame = s->delay_frames[0];

for (i = 1; s->delay_frames[i]; i++)
if (s->delay_frames[i]->avframe.display_picture_number < min_num)
min_num = s->delay_frames[i]->avframe.display_picture_number;
if (s->delay_frames[i]->avframe->display_picture_number < min_num)
min_num = s->delay_frames[i]->avframe->display_picture_number;

delayed_frame = remove_frame(s->delay_frames, min_num);
add_frame(s->delay_frames, MAX_DELAY, s->current_picture);
}

if (delayed_frame) {
delayed_frame->avframe.reference ^= DELAYED_PIC_REF;
if((ret=av_frame_ref(data, &delayed_frame->avframe)) < 0)
delayed_frame->avframe->reference ^= DELAYED_PIC_REF;
if((ret=av_frame_ref(data, delayed_frame->avframe)) < 0)
return ret;
*got_frame = 1;
}
} else if (s->current_picture->avframe.display_picture_number == s->frame_number) {
} else if (s->current_picture->avframe->display_picture_number == s->frame_number) {
/* The right frame at the right time :-) */
if((ret=av_frame_ref(data, &s->current_picture->avframe)) < 0)
if((ret=av_frame_ref(data, s->current_picture->avframe)) < 0)
return ret;
*got_frame = 1;
}

if (*got_frame)
s->frame_number = picture->avframe.display_picture_number + 1;
s->frame_number = picture->display_picture_number + 1;

return buf_idx;
}


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