virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

qtrleenc: switch to encode2().

Browse Source
This commit is contained in:
Anton Khirnov 2012-02-12 09:32:40 +01:00
parent 62d5f9e5ca
commit 21b46747ad
1 changed files with 18 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
libavcodec/qtrleenc.c
View File

@ -25,6 +25,7 @@
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"
/** Maximum RLE code for bulk copy */
#define MAX_RLE_BULK 127
@ -96,7 +97,7 @@ static av_cold int qtrle_encode_init(AVCodecContext *avctx)
return -1;
}
s->max_buf_size = s->avctx->width*s->avctx->height*s->pixel_size /* image base material */
s->max_buf_size = s->avctx->width*s->avctx->height*s->pixel_size*2 /* image base material */
+ 15 /* header + footer */
+ s->avctx->height*2 /* skip code+rle end */
+ s->avctx->width/MAX_RLE_BULK + 1 /* rle codes */;
@ -107,7 +108,7 @@ static av_cold int qtrle_encode_init(AVCodecContext *avctx)
/**
* Compute the best RLE sequence for a line
*/
static void qtrle_encode_line(QtrleEncContext *s, AVFrame *p, int line, uint8_t **buf)
static void qtrle_encode_line(QtrleEncContext *s, const AVFrame *p, int line, uint8_t **buf)
{
int width=s->avctx->width;
int i;
@ -237,7 +238,7 @@ static void qtrle_encode_line(QtrleEncContext *s, AVFrame *p, int line, uint8_t
}
/** Encode frame including header */
static int encode_frame(QtrleEncContext *s, AVFrame *p, uint8_t *buf)
static int encode_frame(QtrleEncContext *s, const AVFrame *p, uint8_t *buf)
{
int i;
int start_line = 0;
@ -278,19 +279,19 @@ static int encode_frame(QtrleEncContext *s, AVFrame *p, uint8_t *buf)
return buf - orig_buf;
}
static int qtrle_encode_frame(AVCodecContext *avctx, uint8_t *buf, int buf_size, void *data)
static int qtrle_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pict, int *got_packet)
{
QtrleEncContext * const s = avctx->priv_data;
AVFrame *pict = data;
AVFrame * const p = &s->frame;
int chunksize;
int ret;
*p = *pict;
if (buf_size < s->max_buf_size) {
if ((ret = ff_alloc_packet(pkt, s->max_buf_size)) < 0) {
/* Upper bound check for compressed data */
av_log(avctx, AV_LOG_ERROR, "buf_size %d < %d\n", buf_size, s->max_buf_size);
return -1;
av_log(avctx, AV_LOG_ERROR, "Error getting output packet of size %d.\n", s->max_buf_size);
return ret;
}
if (avctx->gop_size == 0 || (s->avctx->frame_number % avctx->gop_size) == 0) {
@ -303,11 +304,16 @@ static int qtrle_encode_frame(AVCodecContext *avctx, uint8_t *buf, int buf_size,
p->key_frame = 0;
}
chunksize = encode_frame(s, pict, buf);
pkt->size = encode_frame(s, pict, pkt->data);
/* save the current frame */
av_picture_copy(&s->previous_frame, (AVPicture *)p, avctx->pix_fmt, avctx->width, avctx->height);
return chunksize;
if (p->key_frame)
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
return 0;
}
static av_cold int qtrle_encode_end(AVCodecContext *avctx)
@ -327,7 +333,7 @@ AVCodec ff_qtrle_encoder = {
.id = CODEC_ID_QTRLE,
.priv_data_size = sizeof(QtrleEncContext),
.init = qtrle_encode_init,
.encode = qtrle_encode_frame,
.encode2 = qtrle_encode_frame,
.close = qtrle_encode_end,
.pix_fmts = (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB555BE, PIX_FMT_ARGB, PIX_FMT_NONE},
.long_name = NULL_IF_CONFIG_SMALL("QuickTime Animation (RLE) video"),