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ffmpeg.wasm-core
Commit 4d9ec050 authored by Konstantin Todorov's avatar Konstantin Todorov Committed by Ronald S. Bultje
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Code cleanup - mpegvideo.c - 500-1000line 

Signed-off-by: 's avatarRonald S. Bultje <rsbultje@gmail.com>
parent 6c889888
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Showing with 309 additions and 233 deletions
libavcodec/mpegvideo.c
View file @ 4d9ec050
......@@ -567,46 +567,56 @@ int ff_mpeg_update_thread_context(AVCodecContext *dst,
s->input_picture_number = s1->input_picture_number;
memcpy(s->picture, s1->picture, s1->picture_count * sizeof(Picture));
memcpy(&s->last_picture, &s1->last_picture, (char*)&s1->last_picture_ptr - (char*)&s1->last_picture);
memcpy(&s->last_picture, &s1->last_picture,
(char *) &s1->last_picture_ptr - (char *) &s1->last_picture);
s->last_picture_ptr = REBASE_PICTURE(s1->last_picture_ptr, s, s1);
s->current_picture_ptr = REBASE_PICTURE(s1->current_picture_ptr, s, s1);
s->next_picture_ptr = REBASE_PICTURE(s1->next_picture_ptr, s, s1);
memcpy(s->prev_pict_types, s1->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE);
memcpy(s->prev_pict_types, s1->prev_pict_types,
PREV_PICT_TYPES_BUFFER_SIZE);
//Error/bug resilience
// Error/bug resilience
s->next_p_frame_damaged = s1->next_p_frame_damaged;
s->workaround_bugs = s1->workaround_bugs;
//MPEG4 timing info
memcpy(&s->time_increment_bits, &s1->time_increment_bits, (char*)&s1->shape - (char*)&s1->time_increment_bits);
// MPEG4 timing info
memcpy(&s->time_increment_bits, &s1->time_increment_bits,
(char *) &s1->shape - (char *) &s1->time_increment_bits);
//B-frame info
// B-frame info
s->max_b_frames = s1->max_b_frames;
s->low_delay = s1->low_delay;
s->dropable = s1->dropable;
//DivX handling (doesn't work)
// DivX handling (doesn't work)
s->divx_packed = s1->divx_packed;
if(s1->bitstream_buffer){
if (s1->bitstream_buffer_size + FF_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size)
av_fast_malloc(&s->bitstream_buffer, &s->allocated_bitstream_buffer_size, s1->allocated_bitstream_buffer_size);
if (s1->bitstream_buffer) {
if (s1->bitstream_buffer_size +
FF_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size)
av_fast_malloc(&s->bitstream_buffer,
&s->allocated_bitstream_buffer_size,
s1->allocated_bitstream_buffer_size);
s->bitstream_buffer_size = s1->bitstream_buffer_size;
memcpy(s->bitstream_buffer, s1->bitstream_buffer, s1->bitstream_buffer_size);
memset(s->bitstream_buffer+s->bitstream_buffer_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(s->bitstream_buffer, s1->bitstream_buffer,
s1->bitstream_buffer_size);
memset(s->bitstream_buffer + s->bitstream_buffer_size, 0,
FF_INPUT_BUFFER_PADDING_SIZE);
}
//MPEG2/interlacing info
memcpy(&s->progressive_sequence, &s1->progressive_sequence, (char*)&s1->rtp_mode - (char*)&s1->progressive_sequence);
// MPEG2/interlacing info
memcpy(&s->progressive_sequence, &s1->progressive_sequence,
(char *) &s1->rtp_mode - (char *) &s1->progressive_sequence);
if(!s1->first_field){
s->last_pict_type= s1->pict_type;
if (s1->current_picture_ptr) s->last_lambda_for[s1->pict_type] = s1->current_picture_ptr->f.quality;
if (!s1->first_field) {
s->last_pict_type = s1->pict_type;
if (s1->current_picture_ptr)
s->last_lambda_for[s1->pict_type] = s1->current_picture_ptr->f.quality;
if (s1->pict_type != AV_PICTURE_TYPE_B) {
s->last_non_b_pict_type= s1->pict_type;
s->last_non_b_pict_type = s1->pict_type;
}
}
......@@ -614,16 +624,19 @@ int ff_mpeg_update_thread_context(AVCodecContext *dst,
}
/**
* sets the given MpegEncContext to common defaults (same for encoding and decoding).
* the changed fields will not depend upon the prior state of the MpegEncContext.
* sets the given MpegEncContext to common defaults
* (same for encoding and decoding).
* the changed fields will not depend upon the
* prior state of the MpegEncContext.
*/
void MPV_common_defaults(MpegEncContext *s){
s->y_dc_scale_table=
s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
s->chroma_qscale_table= ff_default_chroma_qscale_table;
s->progressive_frame= 1;
s->progressive_sequence= 1;
s->picture_structure= PICT_FRAME;
void MPV_common_defaults(MpegEncContext *s)
{
s->y_dc_scale_table =
s->c_dc_scale_table = ff_mpeg1_dc_scale_table;
s->chroma_qscale_table = ff_default_chroma_qscale_table;
s->progressive_frame = 1;
s->progressive_sequence = 1;
s->picture_structure = PICT_FRAME;
s->coded_picture_number = 0;
s->picture_number = 0;
......@@ -640,9 +653,11 @@ void MPV_common_defaults(MpegEncContext *s){
/**
* sets the given MpegEncContext to defaults for decoding.
* the changed fields will not depend upon the prior state of the MpegEncContext.
* the changed fields will not depend upon
* the prior state of the MpegEncContext.
*/
void MPV_decode_defaults(MpegEncContext *s){
void MPV_decode_defaults(MpegEncContext *s)
{
MPV_common_defaults(s);
}
......@@ -658,56 +673,61 @@ av_cold int MPV_common_init(MpegEncContext *s)
s->avctx->active_thread_type & FF_THREAD_SLICE)) ?
s->avctx->thread_count : 1;
if(s->codec_id == CODEC_ID_MPEG2VIDEO && !s->progressive_sequence)
if (s->codec_id == CODEC_ID_MPEG2VIDEO && !s->progressive_sequence)
s->mb_height = (s->height + 31) / 32 * 2;
else if (s->codec_id != CODEC_ID_H264)
s->mb_height = (s->height + 15) / 16;
if(s->avctx->pix_fmt == PIX_FMT_NONE){
av_log(s->avctx, AV_LOG_ERROR, "decoding to PIX_FMT_NONE is not supported.\n");
if (s->avctx->pix_fmt == PIX_FMT_NONE) {
av_log(s->avctx, AV_LOG_ERROR,
"decoding to PIX_FMT_NONE is not supported.\n");
return -1;
}
if((s->encoding || (s->avctx->active_thread_type & FF_THREAD_SLICE)) &&
(s->avctx->thread_count > MAX_THREADS || (s->avctx->thread_count > s->mb_height && s->mb_height))){
if ((s->encoding || (s->avctx->active_thread_type & FF_THREAD_SLICE)) &&
(s->avctx->thread_count > MAX_THREADS ||
(s->avctx->thread_count > s->mb_height && s->mb_height))) {
int max_threads = FFMIN(MAX_THREADS, s->mb_height);
av_log(s->avctx, AV_LOG_WARNING, "too many threads (%d), reducing to %d\n",
av_log(s->avctx, AV_LOG_WARNING,
"too many threads (%d), reducing to %d\n",
s->avctx->thread_count, max_threads);
threads = max_threads;
}
if((s->width || s->height) && av_image_check_size(s->width, s->height, 0, s->avctx))
if ((s->width || s->height) &&
av_image_check_size(s->width, s->height, 0, s->avctx))
return -1;
ff_dct_common_init(s);
s->flags= s->avctx->flags;
s->flags2= s->avctx->flags2;
s->flags = s->avctx->flags;
s->flags2 = s->avctx->flags2;
if (s->width && s->height) {
s->mb_width = (s->width + 15) / 16;
s->mb_stride = s->mb_width + 1;
s->b8_stride = s->mb_width*2 + 1;
s->b4_stride = s->mb_width*4 + 1;
mb_array_size= s->mb_height * s->mb_stride;
mv_table_size= (s->mb_height+2) * s->mb_stride + 1;
s->b8_stride = s->mb_width * 2 + 1;
s->b4_stride = s->mb_width * 4 + 1;
mb_array_size = s->mb_height * s->mb_stride;
mv_table_size = (s->mb_height + 2) * s->mb_stride + 1;
/* set chroma shifts */
avcodec_get_chroma_sub_sample(s->avctx->pix_fmt,&(s->chroma_x_shift),
&(s->chroma_y_shift) );
/* set default edge pos, will be overriden in decode_header if needed */
s->h_edge_pos= s->mb_width*16;
s->v_edge_pos= s->mb_height*16;
/* set default edge pos, will be overriden
* in decode_header if needed */
s->h_edge_pos = s->mb_width * 16;
s->v_edge_pos = s->mb_height * 16;
s->mb_num = s->mb_width * s->mb_height;
s->block_wrap[0]=
s->block_wrap[1]=
s->block_wrap[2]=
s->block_wrap[3]= s->b8_stride;
s->block_wrap[4]=
s->block_wrap[5]= s->mb_stride;
s->block_wrap[0] =
s->block_wrap[1] =
s->block_wrap[2] =
s->block_wrap[3] = s->b8_stride;
s->block_wrap[4] =
s->block_wrap[5] = s->mb_stride;
y_size = s->b8_stride * (2 * s->mb_height + 1);
c_size = s->mb_stride * (s->mb_height + 1);
......@@ -718,97 +738,138 @@ av_cold int MPV_common_init(MpegEncContext *s)
s->stream_codec_tag = avpriv_toupper4(s->avctx->stream_codec_tag);
s->avctx->coded_frame= (AVFrame*)&s->current_picture;
s->avctx->coded_frame = (AVFrame *)&s->current_picture;
FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num+1)*sizeof(int), fail) //error ressilience code looks cleaner with this
for(y=0; y<s->mb_height; y++){
for(x=0; x<s->mb_width; x++){
s->mb_index2xy[ x + y*s->mb_width ] = x + y*s->mb_stride;
}
}
s->mb_index2xy[ s->mb_height*s->mb_width ] = (s->mb_height-1)*s->mb_stride + s->mb_width; //FIXME really needed?
FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num + 1) * sizeof(int),
fail); // error ressilience code looks cleaner with this
for (y = 0; y < s->mb_height; y++)
for (x = 0; x < s->mb_width; x++)
s->mb_index2xy[x + y * s->mb_width] = x + y * s->mb_stride;
s->mb_index2xy[s->mb_height * s->mb_width] =
(s->mb_height - 1) * s->mb_stride + s->mb_width; // FIXME really needed?
if (s->encoding) {
/* Allocate MV tables */
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail)
s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1;
s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1;
s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1;
s->b_bidir_forw_mv_table= s->b_bidir_forw_mv_table_base + s->mb_stride + 1;
s->b_bidir_back_mv_table= s->b_bidir_back_mv_table_base + s->mb_stride + 1;
s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1;
if(s->msmpeg4_version){
FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats, 2*2*(MAX_LEVEL+1)*(MAX_RUN+1)*2*sizeof(int), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
s->p_mv_table = s->p_mv_table_base +
s->mb_stride + 1;
s->b_forw_mv_table = s->b_forw_mv_table_base +
s->mb_stride + 1;
s->b_back_mv_table = s->b_back_mv_table_base +
s->mb_stride + 1;
s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base +
s->mb_stride + 1;
s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base +
s->mb_stride + 1;
s->b_direct_mv_table = s->b_direct_mv_table_base +
s->mb_stride + 1;
if (s->msmpeg4_version) {
FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats,
2 * 2 * (MAX_LEVEL + 1) *
(MAX_RUN + 1) * 2 * sizeof(int), fail);
}
FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail);
/* Allocate MB type table */
FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type , mb_array_size * sizeof(uint16_t), fail) //needed for encoding
FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size * sizeof(int), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type, mb_array_size *
sizeof(uint16_t), fail); // needed for encoding
FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size *
sizeof(int), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix,
64 * 32 * sizeof(int), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix,
64 * 32 * sizeof(int), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16,
64 * 32 * 2 * sizeof(uint16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16,
64 * 32 * 2 * sizeof(uint16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture,
MAX_PICTURE_COUNT * sizeof(Picture *), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture,
MAX_PICTURE_COUNT * sizeof(Picture *), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix , 64*32 * sizeof(int), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix , 64*32 * sizeof(int), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16, 64*32*2 * sizeof(uint16_t), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16, 64*32*2 * sizeof(uint16_t), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture, MAX_PICTURE_COUNT * sizeof(Picture*), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture, MAX_PICTURE_COUNT * sizeof(Picture*), fail)
if(s->avctx->noise_reduction){
FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset, 2 * 64 * sizeof(uint16_t), fail)
if (s->avctx->noise_reduction) {
FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset,
2 * 64 * sizeof(uint16_t), fail);
}
}
}
s->picture_count = MAX_PICTURE_COUNT * FFMAX(1, s->avctx->thread_count);
FF_ALLOCZ_OR_GOTO(s->avctx, s->picture, s->picture_count * sizeof(Picture), fail)
for(i = 0; i < s->picture_count; i++) {
avcodec_get_frame_defaults((AVFrame *)&s->picture[i]);
FF_ALLOCZ_OR_GOTO(s->avctx, s->picture,
s->picture_count * sizeof(Picture), fail);
for (i = 0; i < s->picture_count; i++) {
avcodec_get_frame_defaults((AVFrame *) &s->picture[i]);
}
if (s->width && s->height) {
FF_ALLOCZ_OR_GOTO(s->avctx, s->error_status_table, mb_array_size*sizeof(uint8_t), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->error_status_table,
mb_array_size * sizeof(uint8_t), fail);
if(s->codec_id==CODEC_ID_MPEG4 || (s->flags & CODEC_FLAG_INTERLACED_ME)){
if (s->codec_id == CODEC_ID_MPEG4 ||
(s->flags & CODEC_FLAG_INTERLACED_ME)) {
/* interlaced direct mode decoding tables */
for(i=0; i<2; i++){
for (i = 0; i < 2; i++) {
int j, k;
for(j=0; j<2; j++){
for(k=0; k<2; k++){
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_mv_table_base[i][j][k], mv_table_size * 2 * sizeof(int16_t), fail)
s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] + s->mb_stride + 1;
}
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j], mb_array_size * 2 * sizeof(uint8_t), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j], mv_table_size * 2 * sizeof(int16_t), fail)
s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j]+ s->mb_stride + 1;
}
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i], mb_array_size * 2 * sizeof(uint8_t), fail)
for (j = 0; j < 2; j++) {
for (k = 0; k < 2; k++) {
FF_ALLOCZ_OR_GOTO(s->avctx,
s->b_field_mv_table_base[i][j][k],
mv_table_size * 2 * sizeof(int16_t),
fail);
s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] +
s->mb_stride + 1;
}
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j],
mb_array_size * 2 * sizeof(uint8_t),
fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j],
mv_table_size * 2 * sizeof(int16_t),
fail);
s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j]
+ s->mb_stride + 1;
}
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i],
mb_array_size * 2 * sizeof(uint8_t),
fail);
}
}
if (s->out_format == FMT_H263) {
/* cbp values */
FF_ALLOCZ_OR_GOTO(s->avctx, s->coded_block_base, y_size, fail);
s->coded_block= s->coded_block_base + s->b8_stride + 1;
s->coded_block = s->coded_block_base + s->b8_stride + 1;
/* cbp, ac_pred, pred_dir */
FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table , mb_array_size * sizeof(uint8_t), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table, mb_array_size * sizeof(uint8_t), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table,
mb_array_size * sizeof(uint8_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table,
mb_array_size * sizeof(uint8_t), fail);
}
if (s->h263_pred || s->h263_plus || !s->encoding) {
/* dc values */
//MN: we need these for error resilience of intra-frames
FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base, yc_size * sizeof(int16_t), fail);
// MN: we need these for error resilience of intra-frames
FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base,
yc_size * sizeof(int16_t), fail);
s->dc_val[0] = s->dc_val_base + s->b8_stride + 1;
s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1;
s->dc_val[2] = s->dc_val[1] + c_size;
for(i=0;i<yc_size;i++)
for (i = 0; i < yc_size; i++)
s->dc_val_base[i] = 1024;
}
......@@ -817,36 +878,47 @@ av_cold int MPV_common_init(MpegEncContext *s)
memset(s->mbintra_table, 1, mb_array_size);
/* init macroblock skip table */
FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size+2, fail);
//Note the +1 is for a quicker mpeg4 slice_end detection
FF_ALLOCZ_OR_GOTO(s->avctx, s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE, fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size + 2, fail);
// Note the + 1 is for a quicker mpeg4 slice_end detection
FF_ALLOCZ_OR_GOTO(s->avctx, s->prev_pict_types,
PREV_PICT_TYPES_BUFFER_SIZE, fail);
s->parse_context.state= -1;
if((s->avctx->debug&(FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) || (s->avctx->debug_mv)){
s->visualization_buffer[0] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH);
s->visualization_buffer[1] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH);
s->visualization_buffer[2] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH);
s->parse_context.state = -1;
if ((s->avctx->debug & (FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE)) ||
(s->avctx->debug_mv)) {
s->visualization_buffer[0] = av_malloc((s->mb_width * 16 +
2 * EDGE_WIDTH) * s->mb_height * 16 + 2 * EDGE_WIDTH);
s->visualization_buffer[1] = av_malloc((s->mb_width * 16 +
2 * EDGE_WIDTH) * s->mb_height * 16 + 2 * EDGE_WIDTH);
s->visualization_buffer[2] = av_malloc((s->mb_width * 16 +
2 * EDGE_WIDTH) * s->mb_height * 16 + 2 * EDGE_WIDTH);
}
}
s->context_initialized = 1;
s->thread_context[0]= s;
s->thread_context[0] = s;
if (s->width && s->height) {
if (s->encoding || (HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_SLICE)) {
for(i=1; i<threads; i++){
s->thread_context[i]= av_malloc(sizeof(MpegEncContext));
if (s->encoding || (HAVE_THREADS &&
s->avctx->active_thread_type&FF_THREAD_SLICE)) {
for (i = 1; i < threads; i++) {
s->thread_context[i] = av_malloc(sizeof(MpegEncContext));
memcpy(s->thread_context[i], s, sizeof(MpegEncContext));
}
for(i=0; i<threads; i++){
if(init_duplicate_context(s->thread_context[i], s) < 0)
for (i = 0; i < threads; i++) {
if (init_duplicate_context(s->thread_context[i], s) < 0)
goto fail;
s->thread_context[i]->start_mb_y= (s->mb_height*(i ) + s->avctx->thread_count/2) / s->avctx->thread_count;
s->thread_context[i]->end_mb_y = (s->mb_height*(i+1) + s->avctx->thread_count/2) / s->avctx->thread_count;
s->thread_context[i]->start_mb_y =
(s->mb_height * (i) + s->avctx->thread_count / 2) /
s->avctx->thread_count;
s->thread_context[i]->end_mb_y =
(s->mb_height * (i + 1) + s->avctx->thread_count / 2) /
s->avctx->thread_count;
}
} else {
if(init_duplicate_context(s, s) < 0) goto fail;
if (init_duplicate_context(s, s) < 0)
goto fail;
s->start_mb_y = 0;
s->end_mb_y = s->mb_height;
}
......@@ -863,17 +935,18 @@ void MPV_common_end(MpegEncContext *s)
{
int i, j, k;
if (s->encoding || (HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_SLICE)) {
for(i=0; i<s->avctx->thread_count; i++){
if (s->encoding || (HAVE_THREADS &&
s->avctx->active_thread_type & FF_THREAD_SLICE)) {
for (i = 0; i < s->avctx->thread_count; i++) {
free_duplicate_context(s->thread_context[i]);
}
for(i=1; i<s->avctx->thread_count; i++){
for (i = 1; i < s->avctx->thread_count; i++) {
av_freep(&s->thread_context[i]);
}
} else free_duplicate_context(s);
av_freep(&s->parse_context.buffer);
s->parse_context.buffer_size=0;
s->parse_context.buffer_size = 0;
av_freep(&s->mb_type);
av_freep(&s->p_mv_table_base);
......@@ -882,21 +955,21 @@ void MPV_common_end(MpegEncContext *s)
av_freep(&s->b_bidir_forw_mv_table_base);
av_freep(&s->b_bidir_back_mv_table_base);
av_freep(&s->b_direct_mv_table_base);
s->p_mv_table= NULL;
s->b_forw_mv_table= NULL;
s->b_back_mv_table= NULL;
s->b_bidir_forw_mv_table= NULL;
s->b_bidir_back_mv_table= NULL;
s->b_direct_mv_table= NULL;
for(i=0; i<2; i++){
for(j=0; j<2; j++){
for(k=0; k<2; k++){
s->p_mv_table = NULL;
s->b_forw_mv_table = NULL;
s->b_back_mv_table = NULL;
s->b_bidir_forw_mv_table = NULL;
s->b_bidir_back_mv_table = NULL;
s->b_direct_mv_table = NULL;
for (i = 0; i < 2; i++) {
for (j = 0; j < 2; j++) {
for (k = 0; k < 2; k++) {
av_freep(&s->b_field_mv_table_base[i][j][k]);
s->b_field_mv_table[i][j][k]=NULL;
s->b_field_mv_table[i][j][k] = NULL;
}
av_freep(&s->b_field_select_table[i][j]);
av_freep(&s->p_field_mv_table_base[i][j]);
s->p_field_mv_table[i][j]=NULL;
s->p_field_mv_table[i][j] = NULL;
}
av_freep(&s->p_field_select_table[i]);
}
......@@ -910,7 +983,7 @@ void MPV_common_end(MpegEncContext *s)
av_freep(&s->mbskip_table);
av_freep(&s->prev_pict_types);
av_freep(&s->bitstream_buffer);
s->allocated_bitstream_buffer_size=0;
s->allocated_bitstream_buffer_size = 0;
av_freep(&s->avctx->stats_out);
av_freep(&s->ac_stats);
......@@ -925,37 +998,38 @@ void MPV_common_end(MpegEncContext *s)
av_freep(&s->reordered_input_picture);
av_freep(&s->dct_offset);
if(s->picture && !s->avctx->internal->is_copy){
for(i=0; i<s->picture_count; i++){
if (s->picture && !s->avctx->internal->is_copy) {
for (i = 0; i < s->picture_count; i++) {
free_picture(s, &s->picture[i]);
}
}
av_freep(&s->picture);
s->context_initialized = 0;
s->last_picture_ptr=
s->next_picture_ptr=
s->current_picture_ptr= NULL;
s->linesize= s->uvlinesize= 0;
s->last_picture_ptr =
s->next_picture_ptr =
s->current_picture_ptr = NULL;
s->linesize = s->uvlinesize = 0;
for(i=0; i<3; i++)
for (i = 0; i < 3; i++)
av_freep(&s->visualization_buffer[i]);
if(!(s->avctx->active_thread_type&FF_THREAD_FRAME))
if (!(s->avctx->active_thread_type & FF_THREAD_FRAME))
avcodec_default_free_buffers(s->avctx);
}
void init_rl(RLTable *rl, uint8_t static_store[2][2*MAX_RUN + MAX_LEVEL + 3])
void init_rl(RLTable *rl,
uint8_t static_store[2][2 * MAX_RUN + MAX_LEVEL + 3])
{
int8_t max_level[MAX_RUN+1], max_run[MAX_LEVEL+1];
uint8_t index_run[MAX_RUN+1];
int8_t max_level[MAX_RUN + 1], max_run[MAX_LEVEL + 1];
uint8_t index_run[MAX_RUN + 1];
int last, run, level, start, end, i;
/* If table is static, we can quit if rl->max_level[0] is not NULL */
if(static_store && rl->max_level[0])
if (static_store && rl->max_level[0])
return;
/* compute max_level[], max_run[] and index_run[] */
for(last=0;last<2;last++) {
for (last = 0; last < 2; last++) {
if (last == 0) {
start = 0;
end = rl->last;
......@@ -967,7 +1041,7 @@ void init_rl(RLTable *rl, uint8_t static_store[2][2*MAX_RUN + MAX_LEVEL + 3])
memset(max_level, 0, MAX_RUN + 1);
memset(max_run, 0, MAX_LEVEL + 1);
memset(index_run, rl->n, MAX_RUN + 1);
for(i=start;i<end;i++) {
for (i = start; i < end; i++) {
run = rl->table_run[i];
level = rl->table_level[i];
if (index_run[run] == rl->n)
......@@ -977,17 +1051,17 @@ void init_rl(RLTable *rl, uint8_t static_store[2][2*MAX_RUN + MAX_LEVEL + 3])
if (run > max_run[level])
max_run[level] = run;
}
if(static_store)
if (static_store)
rl->max_level[last] = static_store[last];
else
rl->max_level[last] = av_malloc(MAX_RUN + 1);
memcpy(rl->max_level[last], max_level, MAX_RUN + 1);
if(static_store)
if (static_store)
rl->max_run[last] = static_store[last] + MAX_RUN + 1;
else
rl->max_run[last] = av_malloc(MAX_LEVEL + 1);
memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1);
if(static_store)
if (static_store)
rl->index_run[last] = static_store[last] + MAX_RUN + MAX_LEVEL + 2;
else
rl->index_run[last] = av_malloc(MAX_RUN + 1);
......@@ -999,77 +1073,79 @@ void init_vlc_rl(RLTable *rl)
{
int i, q;
for(q=0; q<32; q++){
int qmul= q*2;
int qadd= (q-1)|1;
for (q = 0; q < 32; q++) {
int qmul = q * 2;
int qadd = (q - 1) | 1;
if(q==0){
qmul=1;
qadd=0;
if (q == 0) {
qmul = 1;
qadd = 0;
}
for(i=0; i<rl->vlc.table_size; i++){
int code= rl->vlc.table[i][0];
for (i = 0; i < rl->vlc.table_size; i++) {
int code = rl->vlc.table[i][0];
int len = rl->vlc.table[i][1];
int level, run;
if(len==0){ // illegal code
run= 66;
level= MAX_LEVEL;
}else if(len<0){ //more bits needed
run= 0;
level= code;
}else{
if(code==rl->n){ //esc
run= 66;
level= 0;
}else{
run= rl->table_run [code] + 1;
level= rl->table_level[code] * qmul + qadd;
if(code >= rl->last) run+=192;
if (len == 0) { // illegal code
run = 66;
level = MAX_LEVEL;
} else if (len < 0) { // more bits needed
run = 0;
level = code;
} else {
if (code == rl->n) { // esc
run = 66;
level = 0;
} else {
run = rl->table_run[code] + 1;
level = rl->table_level[code] * qmul + qadd;
if (code >= rl->last) run += 192;
}
}
rl->rl_vlc[q][i].len= len;
rl->rl_vlc[q][i].level= level;
rl->rl_vlc[q][i].run= run;
rl->rl_vlc[q][i].len = len;
rl->rl_vlc[q][i].level = level;
rl->rl_vlc[q][i].run = run;
}
}
}
void ff_release_unused_pictures(MpegEncContext *s, int remove_current)
void ff_release_unused_pictures(MpegEncContext*s, int remove_current)
{
int i;
/* release non reference frames */
for(i=0; i<s->picture_count; i++){
if (s->picture[i].f.data[0] && !s->picture[i].f.reference
&& (!s->picture[i].owner2 || s->picture[i].owner2 == s)
&& (remove_current || &s->picture[i] != s->current_picture_ptr)
/*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/){
for (i = 0; i < s->picture_count; i++) {
if (s->picture[i].f.data[0] && !s->picture[i].f.reference &&
(!s->picture[i].owner2 || s->picture[i].owner2 == s) &&
(remove_current || &s->picture[i] != s->current_picture_ptr)
/* && s->picture[i].type!= FF_BUFFER_TYPE_SHARED */) {
free_frame_buffer(s, &s->picture[i]);
}
}
}
int ff_find_unused_picture(MpegEncContext *s, int shared){
int ff_find_unused_picture(MpegEncContext *s, int shared)
{
int i;
if(shared){
for(i=s->picture_range_start; i<s->picture_range_end; i++){
if (shared) {
for (i = s->picture_range_start; i < s->picture_range_end; i++) {
if (s->picture[i].f.data[0] == NULL && s->picture[i].f.type == 0)
return i;
}
}else{
for(i=s->picture_range_start; i<s->picture_range_end; i++){
} else {
for (i = s->picture_range_start; i < s->picture_range_end; i++) {
if (s->picture[i].f.data[0] == NULL && s->picture[i].f.type != 0)
return i; //FIXME
return i; // FIXME
}
for(i=s->picture_range_start; i<s->picture_range_end; i++){
for (i = s->picture_range_start; i < s->picture_range_end; i++) {
if (s->picture[i].f.data[0] == NULL)
return i;
}
}
av_log(s->avctx, AV_LOG_FATAL, "Internal error, picture buffer overflow\n");
av_log(s->avctx, AV_LOG_FATAL,
"Internal error, picture buffer overflow\n");
/* We could return -1, but the codec would crash trying to draw into a
* non-existing frame anyway. This is safer than waiting for a random crash.
* Also the return of this is never useful, an encoder must only allocate
......
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