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jv: make code independent of sizeof(AVFrame)

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-07-31 14:57:27 +00:00
parent ff1c13b133
commit 678431d3f2
1 changed files with 14 additions and 12 deletions
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26
libavcodec/jvdec.c
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@ -33,7 +33,7 @@
typedef struct JvContext {
DSPContext dsp;
AVFrame frame;
AVFrame *frame;
uint32_t palette[AVPALETTE_COUNT];
int palette_has_changed;
} JvContext;
@ -43,7 +43,9 @@ static av_cold int decode_init(AVCodecContext *avctx)
JvContext *s = avctx->priv_data;
avctx->pix_fmt = AV_PIX_FMT_PAL8;
ff_dsputil_init(&s->dsp, avctx);
avcodec_get_frame_defaults(&s->frame);
s->frame = av_frame_alloc();
if (!s->frame)
return AVERROR(ENOMEM);
return 0;
}
@ -151,7 +153,7 @@ static int decode_frame(AVCodecContext *avctx,
av_log(avctx, AV_LOG_ERROR, "video size %d invalid\n", video_size);
return AVERROR_INVALIDDATA;
}
if ((ret = ff_reget_buffer(avctx, &s->frame)) < 0)
if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)
return ret;
if (video_type == 0 || video_type == 1) {
@ -160,14 +162,14 @@ static int decode_frame(AVCodecContext *avctx,
for (j = 0; j < avctx->height; j += 8)
for (i = 0; i < avctx->width; i += 8)
decode8x8(&gb, s->frame.data[0] + j*s->frame.linesize[0] + i,
s->frame.linesize[0], &s->dsp);
decode8x8(&gb, s->frame->data[0] + j * s->frame->linesize[0] + i,
s->frame->linesize[0], &s->dsp);
buf += video_size;
} else if (video_type == 2) {
int v = *buf++;
for (j = 0; j < avctx->height; j++)
memset(s->frame.data[0] + j*s->frame.linesize[0], v, avctx->width);
memset(s->frame->data[0] + j * s->frame->linesize[0], v, avctx->width);
} else {
av_log(avctx, AV_LOG_WARNING, "unsupported frame type %i\n", video_type);
return AVERROR_INVALIDDATA;
@ -184,13 +186,13 @@ static int decode_frame(AVCodecContext *avctx,
}
if (video_size) {
s->frame.key_frame = 1;
s->frame.pict_type = AV_PICTURE_TYPE_I;
s->frame.palette_has_changed = s->palette_has_changed;
s->frame->key_frame = 1;
s->frame->pict_type = AV_PICTURE_TYPE_I;
s->frame->palette_has_changed = s->palette_has_changed;
s->palette_has_changed = 0;
memcpy(s->frame.data[1], s->palette, AVPALETTE_SIZE);
memcpy(s->frame->data[1], s->palette, AVPALETTE_SIZE);
if ((ret = av_frame_ref(data, &s->frame)) < 0)
if ((ret = av_frame_ref(data, s->frame)) < 0)
return ret;
*got_frame = 1;
}
@ -202,7 +204,7 @@ static av_cold int decode_close(AVCodecContext *avctx)
{
JvContext *s = avctx->priv_data;
av_frame_unref(&s->frame);
av_frame_free(&s->frame);
return 0;
}