*/
#include "avcodec.h"
+#include "internal.h"
#include "pnm.h"
-static int pam_encode_frame(AVCodecContext *avctx, unsigned char *outbuf,
- int buf_size, void *data)
+static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+ const AVFrame *pict, int *got_packet)
{
PNMContext *s = avctx->priv_data;
- AVFrame *pict = data;
- AVFrame * const p = (AVFrame*)&s->picture;
- int i, h, w, n, linesize, depth, maxval;
+ AVFrame * const p = &s->picture;
+ int i, h, w, n, linesize, depth, maxval, ret;
const char *tuple_type;
uint8_t *ptr;
- if (buf_size < avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height) + 200) {
- av_log(avctx, AV_LOG_ERROR, "encoded frame too large\n");
- return -1;
- }
-
- *p = *pict;
- p->pict_type = AV_PICTURE_TYPE_I;
- p->key_frame = 1;
-
- s->bytestream_start =
- s->bytestream = outbuf;
- s->bytestream_end = outbuf+buf_size;
-
h = avctx->height;
w = avctx->width;
switch (avctx->pix_fmt) {
case PIX_FMT_MONOBLACK:
- n = (w + 7) >> 3;
+ n = w;
depth = 1;
maxval = 1;
tuple_type = "BLACKANDWHITE";
default:
return -1;
}
+
+ if ((ret = ff_alloc_packet2(avctx, pkt, n*h + 200)) < 0)
+ return ret;
+
+ *p = *pict;
+ p->pict_type = AV_PICTURE_TYPE_I;
+ p->key_frame = 1;
+
+ s->bytestream_start =
+ s->bytestream = pkt->data;
+ s->bytestream_end = pkt->data + pkt->size;
+
snprintf(s->bytestream, s->bytestream_end - s->bytestream,
"P7\nWIDTH %d\nHEIGHT %d\nDEPTH %d\nMAXVAL %d\nTUPLTYPE %s\nENDHDR\n",
w, h, depth, maxval, tuple_type);
ptr += linesize;
}
}
- return s->bytestream - s->bytestream_start;
+
+ pkt->size = s->bytestream - s->bytestream_start;
+ pkt->flags |= AV_PKT_FLAG_KEY;
+ *got_packet = 1;
+ return 0;
}
.id = CODEC_ID_PAM,
.priv_data_size = sizeof(PNMContext),
.init = ff_pnm_init,
- .encode = pam_encode_frame,
- .pix_fmts = (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGBA, PIX_FMT_RGB48BE, PIX_FMT_RGBA64BE, PIX_FMT_GRAY8, PIX_FMT_GRAY8A, PIX_FMT_GRAY16BE, PIX_FMT_MONOBLACK, PIX_FMT_NONE},
- .long_name = NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"),
+ .encode2 = pam_encode_frame,
+ .pix_fmts = (const enum PixelFormat[]){
+ PIX_FMT_RGB24, PIX_FMT_RGBA, PIX_FMT_RGB48BE, PIX_FMT_RGBA64BE, PIX_FMT_GRAY8, PIX_FMT_GRAY8A, PIX_FMT_GRAY16BE, PIX_FMT_MONOBLACK, PIX_FMT_NONE
+ },
+ .long_name = NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"),
};