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authorMichael Niedermayer <michaelni@gmx.at>2013-12-09 12:54:59 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-12-09 12:54:59 +0100
commit37945584bfb29f187e38531c90bb02a32014e48d (patch)
treeae79af85bc44ef636313252c7f43f967488b459c /libavcodec/pamenc.c
parent639303867640d1880fad675472bc47e9c95f96c7 (diff)
parentafa21a12bf084f905187615706b0a8d92bc98661 (diff)
Merge commit 'afa21a12bf084f905187615706b0a8d92bc98661'
* commit 'afa21a12bf084f905187615706b0a8d92bc98661': p*menc: use the AVFrame API properly. Conflicts: libavcodec/Makefile libavcodec/pamenc.c libavcodec/pnmenc.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/pamenc.c')
-rw-r--r--libavcodec/pamenc.c44
1 files changed, 30 insertions, 14 deletions
diff --git a/libavcodec/pamenc.c b/libavcodec/pamenc.c
index 2421464204..64ab2b5faa 100644
--- a/libavcodec/pamenc.c
+++ b/libavcodec/pamenc.c
@@ -21,13 +21,11 @@
#include "avcodec.h"
#include "internal.h"
-#include "pnm.h"
-
static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *p, int *got_packet)
{
- PNMContext *s = avctx->priv_data;
+ uint8_t *bytestream_start, *bytestream, *bytestream_end;
int i, h, w, n, linesize, depth, maxval, ret;
const char *tuple_type;
uint8_t *ptr;
@@ -90,14 +88,14 @@ static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
if ((ret = ff_alloc_packet2(avctx, pkt, n*h + 200)) < 0)
return ret;
- s->bytestream_start =
- s->bytestream = pkt->data;
- s->bytestream_end = pkt->data + pkt->size;
+ bytestream_start =
+ bytestream = pkt->data;
+ bytestream_end = pkt->data + pkt->size;
- snprintf(s->bytestream, s->bytestream_end - s->bytestream,
+ snprintf(bytestream, bytestream_end - bytestream,
"P7\nWIDTH %d\nHEIGHT %d\nDEPTH %d\nMAXVAL %d\nTUPLTYPE %s\nENDHDR\n",
w, h, depth, maxval, tuple_type);
- s->bytestream += strlen(s->bytestream);
+ bytestream += strlen(bytestream);
ptr = p->data[0];
linesize = p->linesize[0];
@@ -106,30 +104,48 @@ static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
int j;
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++)
- *s->bytestream++ = ptr[j >> 3] >> (7 - j & 7) & 1;
+ *bytestream++ = ptr[j >> 3] >> (7 - j & 7) & 1;
ptr += linesize;
}
} else {
for (i = 0; i < h; i++) {
- memcpy(s->bytestream, ptr, n);
- s->bytestream += n;
- ptr += linesize;
+ memcpy(bytestream, ptr, n);
+ bytestream += n;
+ ptr += linesize;
}
}
- pkt->size = s->bytestream - s->bytestream_start;
+ pkt->size = bytestream - bytestream_start;
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
return 0;
}
+static av_cold int pam_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 pam_encode_close(AVCodecContext *avctx)
+{
+ av_frame_free(&avctx->coded_frame);
+ return 0;
+}
AVCodec ff_pam_encoder = {
.name = "pam",
.long_name = NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_PAM,
- .priv_data_size = sizeof(PNMContext),
+ .init = pam_encode_init,
+ .close = pam_encode_close,
.encode2 = pam_encode_frame,
.pix_fmts = (const enum AVPixelFormat[]){
AV_PIX_FMT_RGB24, AV_PIX_FMT_RGBA, AV_PIX_FMT_RGB48BE, AV_PIX_FMT_RGBA64BE, AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY8A, AV_PIX_FMT_GRAY16BE, AV_PIX_FMT_MONOBLACK, AV_PIX_FMT_NONE