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https://github.com/FFmpeg/FFmpeg.git
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libxvid: switch to encode2().
This commit is contained in:
Anton Khirnov
parent
760b004086
commit
4da6d194e5
@ -32,6 +32,7 @@
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#include "libavutil/intreadwrite.h"
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#include "libavutil/mathematics.h"
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#include "libxvid_internal.h"
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#include "mpegvideo.h"
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#if !HAVE_MKSTEMP
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#include <fcntl.h>
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#endif
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@ -73,7 +74,7 @@ struct xvid_ff_pass1 {
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};
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/* Prototypes - See function implementation for details */
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int xvid_strip_vol_header(AVCodecContext *avctx, unsigned char *frame, unsigned int header_len, unsigned int frame_len);
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int xvid_strip_vol_header(AVCodecContext *avctx, AVPacket *pkt, unsigned int header_len, unsigned int frame_len);
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int xvid_ff_2pass(void *ref, int opt, void *p1, void *p2);
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void xvid_correct_framerate(AVCodecContext *avctx);
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@ -408,17 +409,25 @@ static av_cold int xvid_encode_init(AVCodecContext *avctx) {
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* @param data Pointer to AVFrame of unencoded frame
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* @return Returns 0 on success, -1 on failure
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*/
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static int xvid_encode_frame(AVCodecContext *avctx,
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unsigned char *frame, int buf_size, void *data) {
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int xerr, i;
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static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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const AVFrame *picture, int *got_packet)
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{
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int xerr, i, ret, user_packet = !!pkt->data;
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char *tmp;
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struct xvid_context *x = avctx->priv_data;
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AVFrame *picture = data;
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AVFrame *p = &x->encoded_picture;
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int mb_width = (avctx->width + 15) / 16;
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int mb_height = (avctx->height + 15) / 16;
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xvid_enc_frame_t xvid_enc_frame;
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xvid_enc_stats_t xvid_enc_stats;
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if (!user_packet &&
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(ret = av_new_packet(pkt, mb_width*mb_height*MAX_MB_BYTES + FF_MIN_BUFFER_SIZE)) < 0) {
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av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
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return ret;
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}
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/* Start setting up the frame */
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memset(&xvid_enc_frame, 0, sizeof(xvid_enc_frame));
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xvid_enc_frame.version = XVID_VERSION;
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@ -427,8 +436,8 @@ static int xvid_encode_frame(AVCodecContext *avctx,
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*p = *picture;
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/* Let Xvid know where to put the frame. */
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xvid_enc_frame.bitstream = frame;
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xvid_enc_frame.length = buf_size;
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xvid_enc_frame.bitstream = pkt->data;
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xvid_enc_frame.length = pkt->size;
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/* Initialize input image fields */
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if( avctx->pix_fmt != PIX_FMT_YUV420P ) {
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@ -488,7 +497,9 @@ static int xvid_encode_frame(AVCodecContext *avctx,
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}
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}
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if( 0 <= xerr ) {
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if (xerr > 0) {
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*got_packet = 1;
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p->quality = xvid_enc_stats.quant * FF_QP2LAMBDA;
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if( xvid_enc_stats.type == XVID_TYPE_PVOP )
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p->pict_type = AV_PICTURE_TYPE_P;
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@ -500,14 +511,21 @@ static int xvid_encode_frame(AVCodecContext *avctx,
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p->pict_type = AV_PICTURE_TYPE_I;
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if( xvid_enc_frame.out_flags & XVID_KEYFRAME ) {
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p->key_frame = 1;
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pkt->flags |= AV_PKT_FLAG_KEY;
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if( x->quicktime_format )
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return xvid_strip_vol_header(avctx, frame,
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return xvid_strip_vol_header(avctx, pkt,
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xvid_enc_stats.hlength, xerr);
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} else
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p->key_frame = 0;
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return xerr;
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pkt->size = xerr;
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return 0;
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} else {
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if (!user_packet)
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av_free_packet(pkt);
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if (!xerr)
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return 0;
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av_log(avctx, AV_LOG_ERROR, "Xvid: Encoding Error Occurred: %i\n", xerr);
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return -1;
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}
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@ -551,16 +569,16 @@ static av_cold int xvid_encode_close(AVCodecContext *avctx) {
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* @return Returns new length of frame data
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*/
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int xvid_strip_vol_header(AVCodecContext *avctx,
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unsigned char *frame,
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AVPacket *pkt,
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unsigned int header_len,
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unsigned int frame_len) {
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int vo_len = 0, i;
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for( i = 0; i < header_len - 3; i++ ) {
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if( frame[i] == 0x00 &&
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frame[i+1] == 0x00 &&
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frame[i+2] == 0x01 &&
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frame[i+3] == 0xB6 ) {
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if( pkt->data[i] == 0x00 &&
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pkt->data[i+1] == 0x00 &&
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pkt->data[i+2] == 0x01 &&
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pkt->data[i+3] == 0xB6 ) {
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vo_len = i;
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break;
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}
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@ -570,15 +588,15 @@ int xvid_strip_vol_header(AVCodecContext *avctx,
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/* We need to store the header, so extract it */
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if( avctx->extradata == NULL ) {
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avctx->extradata = av_malloc(vo_len);
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memcpy(avctx->extradata, frame, vo_len);
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memcpy(avctx->extradata, pkt->data, vo_len);
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avctx->extradata_size = vo_len;
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}
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/* Less dangerous now, memmove properly copies the two
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chunks of overlapping data */
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memmove(frame, &frame[vo_len], frame_len - vo_len);
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return frame_len - vo_len;
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} else
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return frame_len;
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memmove(pkt->data, &pkt->data[vo_len], frame_len - vo_len);
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pkt->size = frame_len - vo_len;
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}
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return 0;
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}
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/**
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@ -814,7 +832,7 @@ AVCodec ff_libxvid_encoder = {
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.id = CODEC_ID_MPEG4,
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.priv_data_size = sizeof(struct xvid_context),
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.init = xvid_encode_init,
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.encode = xvid_encode_frame,
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.encode2 = xvid_encode_frame,
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.close = xvid_encode_close,
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.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
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.long_name= NULL_IF_CONFIG_SMALL("libxvidcore MPEG-4 part 2"),
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