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Code Issues Releases Activity

tiffenc: 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 78c6c9d6c1
commit f26f71139f
1 changed files with 25 additions and 11 deletions
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36
libavcodec/tiffenc.c
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@ -50,7 +50,6 @@ static const uint8_t type_sizes2[6] = {
typedef struct TiffEncoderContext {
AVClass *class; ///< for private options
AVCodecContext *avctx;
AVFrame picture;
int width; ///< picture width
int height; ///< picture height
@ -184,9 +183,9 @@ static int encode_strip(TiffEncoderContext *s, const int8_t *src,
}
}
static void pack_yuv(TiffEncoderContext *s, uint8_t *dst, int lnum)
static void pack_yuv(TiffEncoderContext *s, const AVFrame *p,
uint8_t *dst, int lnum)
{
AVFrame *p = &s->picture;
int i, j, k;
int w = (s->width - 1) / s->subsampling[0] + 1;
uint8_t *pu = &p->data[1][lnum / s->subsampling[1] * p->linesize[1]];
@ -205,7 +204,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pict, int *got_packet)
{
TiffEncoderContext *s = avctx->priv_data;
AVFrame *const p = &s->picture;
const AVFrame *const p = pict;
int i;
uint8_t *ptr;
uint8_t *offset;
@ -223,11 +222,6 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
s->avctx = avctx;
*p = *pict;
p->pict_type = AV_PICTURE_TYPE_I;
p->key_frame = 1;
avctx->coded_frame = &s->picture;
s->width = avctx->width;
s->height = avctx->height;
s->subsampling[0] = 1;
@ -349,7 +343,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
zn = 0;
for (j = 0; j < s->rps; j++) {
if (is_yuv) {
pack_yuv(s, yuv_line, j);
pack_yuv(s, p, yuv_line, j);
memcpy(zbuf + zn, yuv_line, bytes_per_row);
j += s->subsampling[1] - 1;
} else
@ -384,7 +378,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
strip_offsets[i / s->rps] = ptr - pkt->data;
}
if (is_yuv) {
pack_yuv(s, yuv_line, i);
pack_yuv(s, p, yuv_line, i);
ret = encode_strip(s, yuv_line, ptr, bytes_per_row, s->compr);
i += s->subsampling[1] - 1;
} else
@ -470,6 +464,24 @@ fail:
return ret;
}
static av_cold int encode_init(AVCodecContext *avctx)
{
avctx->coded_frame = av_frame_alloc();
if (!avctx->coded_frame)
return AVERROR(ENOMEM);
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
avctx->coded_frame->key_frame = 1;
return 0;
}
static av_cold int encode_close(AVCodecContext *avctx)
{
av_frame_free(&avctx->coded_frame);
return 0;
}
#define OFFSET(x) offsetof(TiffEncoderContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
@ -496,6 +508,8 @@ AVCodec ff_tiff_encoder = {
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_TIFF,
.priv_data_size = sizeof(TiffEncoderContext),
.init = encode_init,
.close = encode_close,
.encode2 = encode_frame,
.pix_fmts = (const enum AVPixelFormat[]) {
AV_PIX_FMT_RGB24, AV_PIX_FMT_RGB48LE, AV_PIX_FMT_PAL8,