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rv34: handle size changes during frame multithreading 

Factors all context dynamic memory handling to its own functions.
Fixes bug 220.
This commit is contained in:
Janne Grunau 2012-02-13 21:10:48 +01:00
parent b54b40b33c
commit 2bd730010d
1 changed files with 82 additions and 64 deletions
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146
libavcodec/rv34.c
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@ -711,8 +711,7 @@ static inline void rv34_mc(RV34DecContext *r, const int block_type,
if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME)) {
/* wait for the referenced mb row to be finished */
int mb_row = FFMIN(s->mb_height - 1,
s->mb_y + ((yoff + my + 5 + 8 * height) >> 4));
int mb_row = s->mb_y + ((yoff + my + 5 + 8 * height) >> 4);
AVFrame *f = dir ? &s->next_picture_ptr->f : &s->last_picture_ptr->f;
ff_thread_await_progress(f, mb_row, 0);
}
@ -1361,6 +1360,53 @@ static int check_slice_end(RV34DecContext *r, MpegEncContext *s)
return 0;
}
static void rv34_decoder_free(RV34DecContext *r)
{
av_freep(&r->intra_types_hist);
r->intra_types = NULL;
av_freep(&r->tmp_b_block_base);
av_freep(&r->mb_type);
av_freep(&r->cbp_luma);
av_freep(&r->cbp_chroma);
av_freep(&r->deblock_coefs);
}
static int rv34_decoder_alloc(RV34DecContext *r)
{
r->intra_types_stride = r->s.mb_width * 4 + 4;
r->cbp_chroma = av_malloc(r->s.mb_stride * r->s.mb_height *
sizeof(*r->cbp_chroma));
r->cbp_luma = av_malloc(r->s.mb_stride * r->s.mb_height *
sizeof(*r->cbp_luma));
r->deblock_coefs = av_malloc(r->s.mb_stride * r->s.mb_height *
sizeof(*r->deblock_coefs));
r->intra_types_hist = av_malloc(r->intra_types_stride * 4 * 2 *
sizeof(*r->intra_types_hist));
r->mb_type = av_mallocz(r->s.mb_stride * r->s.mb_height *
sizeof(*r->mb_type));
if (!(r->cbp_chroma && r->cbp_luma && r->deblock_coefs &&
r->intra_types_hist && r->mb_type)) {
rv34_decoder_free(r);
return AVERROR(ENOMEM);
}
r->intra_types = r->intra_types_hist + r->intra_types_stride * 4;
return 0;
}
static int rv34_decoder_realloc(RV34DecContext *r)
{
rv34_decoder_free(r);
return rv34_decoder_alloc(r);
}
static int rv34_decode_slice(RV34DecContext *r, int end, const uint8_t* buf, int buf_size)
{
MpegEncContext *s = &r->s;
@ -1376,22 +1422,19 @@ static int rv34_decode_slice(RV34DecContext *r, int end, const uint8_t* buf, int
}
if ((s->mb_x == 0 && s->mb_y == 0) || s->current_picture_ptr==NULL) {
if(s->width != r->si.width || s->height != r->si.height){
av_log(s->avctx, AV_LOG_DEBUG, "Changing dimensions to %dx%d\n", r->si.width,r->si.height);
if (s->width != r->si.width || s->height != r->si.height) {
int err;
av_log(s->avctx, AV_LOG_WARNING, "Changing dimensions to %dx%d\n",
r->si.width, r->si.height);
MPV_common_end(s);
s->width = r->si.width;
s->height = r->si.height;
avcodec_set_dimensions(s->avctx, s->width, s->height);
if(MPV_common_init(s) < 0)
return -1;
r->intra_types_stride = s->mb_width*4 + 4;
r->intra_types_hist = av_realloc(r->intra_types_hist, r->intra_types_stride * 4 * 2 * sizeof(*r->intra_types_hist));
r->intra_types = r->intra_types_hist + r->intra_types_stride * 4;
r->mb_type = av_realloc(r->mb_type, r->s.mb_stride * r->s.mb_height * sizeof(*r->mb_type));
r->cbp_luma = av_realloc(r->cbp_luma, r->s.mb_stride * r->s.mb_height * sizeof(*r->cbp_luma));
r->cbp_chroma = av_realloc(r->cbp_chroma, r->s.mb_stride * r->s.mb_height * sizeof(*r->cbp_chroma));
r->deblock_coefs = av_realloc(r->deblock_coefs, r->s.mb_stride * r->s.mb_height * sizeof(*r->deblock_coefs));
av_freep(&r->tmp_b_block_base);
if ((err = MPV_common_init(s)) < 0)
return err;
if ((err = rv34_decoder_realloc(r)) < 0)
return err;
}
s->pict_type = r->si.type ? r->si.type : AV_PICTURE_TYPE_I;
if(MPV_frame_start(s, s->avctx) < 0)
@ -1496,6 +1539,7 @@ av_cold int ff_rv34_decode_init(AVCodecContext *avctx)
{
RV34DecContext *r = avctx->priv_data;
MpegEncContext *s = &r->s;
int ret;
MPV_decode_defaults(s);
s->avctx = avctx;
@ -1512,8 +1556,8 @@ av_cold int ff_rv34_decode_init(AVCodecContext *avctx)
avctx->has_b_frames = 1;
s->low_delay = 0;
if (MPV_common_init(s) < 0)
return -1;
if ((ret = MPV_common_init(s)) < 0)
return ret;
ff_h264_pred_init(&r->h, CODEC_ID_RV40, 8, 1);
@ -1526,15 +1570,8 @@ av_cold int ff_rv34_decode_init(AVCodecContext *avctx)
ff_rv40dsp_init(&r->rdsp, &r->s.dsp);
#endif
r->intra_types_stride = 4*s->mb_stride + 4;
r->intra_types_hist = av_malloc(r->intra_types_stride * 4 * 2 * sizeof(*r->intra_types_hist));
r->intra_types = r->intra_types_hist + r->intra_types_stride * 4;
r->mb_type = av_mallocz(r->s.mb_stride * r->s.mb_height * sizeof(*r->mb_type));
r->cbp_luma = av_malloc(r->s.mb_stride * r->s.mb_height * sizeof(*r->cbp_luma));
r->cbp_chroma = av_malloc(r->s.mb_stride * r->s.mb_height * sizeof(*r->cbp_chroma));
r->deblock_coefs = av_malloc(r->s.mb_stride * r->s.mb_height * sizeof(*r->deblock_coefs));
if ((ret = rv34_decoder_alloc(r)) < 0)
return ret;
if(!intra_vlcs[0].cbppattern[0].bits)
rv34_init_tables();
@ -1544,40 +1581,17 @@ av_cold int ff_rv34_decode_init(AVCodecContext *avctx)
int ff_rv34_decode_init_thread_copy(AVCodecContext *avctx)
{
int err;
RV34DecContext *r = avctx->priv_data;
r->s.avctx = avctx;
if (avctx->internal->is_copy) {
r->cbp_chroma = av_malloc(r->s.mb_stride * r->s.mb_height *
sizeof(*r->cbp_chroma));
r->cbp_luma = av_malloc(r->s.mb_stride * r->s.mb_height *
sizeof(*r->cbp_luma));
r->deblock_coefs = av_malloc(r->s.mb_stride * r->s.mb_height *
sizeof(*r->deblock_coefs));
r->intra_types_hist = av_malloc(r->intra_types_stride * 4 * 2 *
sizeof(*r->intra_types_hist));
r->mb_type = av_malloc(r->s.mb_stride * r->s.mb_height *
sizeof(*r->mb_type));
if (!(r->cbp_chroma && r->cbp_luma && r->deblock_coefs &&
r->intra_types_hist && r->mb_type)) {
av_freep(&r->cbp_chroma);
av_freep(&r->cbp_luma);
av_freep(&r->deblock_coefs);
av_freep(&r->intra_types_hist);
av_freep(&r->mb_type);
r->intra_types = NULL;
return AVERROR(ENOMEM);
}
r->intra_types = r->intra_types_hist + r->intra_types_stride * 4;
r->tmp_b_block_base = NULL;
memset(r->mb_type, 0, r->s.mb_stride * r->s.mb_height *
sizeof(*r->mb_type));
MPV_common_init(&r->s);
if ((err = MPV_common_init(&r->s)) < 0)
return err;
if ((err = rv34_decoder_alloc(r)) < 0)
return err;
}
return 0;
}
@ -1591,6 +1605,16 @@ int ff_rv34_decode_update_thread_context(AVCodecContext *dst, const AVCodecConte
if (dst == src || !s1->context_initialized)
return 0;
if (s->height != s1->height || s->width != s1->width) {
MPV_common_end(s);
s->height = s1->height;
s->width = s1->width;
if ((err = MPV_common_init(s)) < 0)
return err;
if ((err = rv34_decoder_realloc(r)) < 0)
return err;
}
if ((err = ff_mpeg_update_thread_context(dst, src)))
return err;
@ -1712,11 +1736,12 @@ int ff_rv34_decode_frame(AVCodecContext *avctx,
if(last && s->current_picture_ptr){
if(r->loop_filter)
r->loop_filter(r, s->mb_height - 1);
if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME))
ff_thread_report_progress(&s->current_picture_ptr->f,
s->mb_height - 1, 0);
ff_er_frame_end(s);
MPV_frame_end(s);
if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME))
ff_thread_report_progress(&s->current_picture_ptr->f, INT_MAX, 0);
if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
*pict = *(AVFrame*)s->current_picture_ptr;
} else if (s->last_picture_ptr != NULL) {
@ -1737,14 +1762,7 @@ av_cold int ff_rv34_decode_end(AVCodecContext *avctx)
RV34DecContext *r = avctx->priv_data;
MPV_common_end(&r->s);
av_freep(&r->intra_types_hist);
r->intra_types = NULL;
av_freep(&r->tmp_b_block_base);
av_freep(&r->mb_type);
av_freep(&r->cbp_luma);
av_freep(&r->cbp_chroma);
av_freep(&r->deblock_coefs);
rv34_decoder_free(r);
return 0;
}