mirror of https://git.ffmpeg.org/ffmpeg.git
Merge commit 'e62a43f6b1a9c0c82e1df33c0c038e32029c0aa4'
* commit 'e62a43f6b1a9c0c82e1df33c0c038e32029c0aa4': mpeg4videodec: move MpegEncContext.time_increment_bits to Mpeg4DecContext Conflicts: libavcodec/mpeg4videodec.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
commit
e2f63be012
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@ -62,6 +62,8 @@
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typedef struct Mpeg4DecContext {
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MpegEncContext m;
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///< number of bits to represent the fractional part of time
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int time_increment_bits;
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int shape;
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} Mpeg4DecContext;
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@ -372,8 +372,8 @@ static int mpeg4_decode_sprite_trajectory(MpegEncContext *s, GetBitContext *gb)
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return 0;
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}
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static int decode_new_pred(MpegEncContext *s, GetBitContext *gb) {
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int len = FFMIN(s->time_increment_bits + 3, 15);
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static int decode_new_pred(Mpeg4DecContext *ctx, GetBitContext *gb) {
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int len = FFMIN(ctx->time_increment_bits + 3, 15);
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get_bits(gb, len);
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if (get_bits1(gb))
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@ -438,7 +438,7 @@ int ff_mpeg4_decode_video_packet_header(Mpeg4DecContext *ctx)
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time_incr++;
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check_marker(&s->gb, "before time_increment in video packed header");
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skip_bits(&s->gb, s->time_increment_bits); /* time_increment */
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skip_bits(&s->gb, ctx->time_increment_bits); /* time_increment */
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check_marker(&s->gb, "before vop_coding_type in video packed header");
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skip_bits(&s->gb, 2); /* vop coding type */
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@ -471,7 +471,7 @@ int ff_mpeg4_decode_video_packet_header(Mpeg4DecContext *ctx)
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}
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}
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if (s->new_pred)
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decode_new_pred(s, &s->gb);
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decode_new_pred(ctx, &s->gb);
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return 0;
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}
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@ -1753,14 +1753,14 @@ static int decode_vol_header(Mpeg4DecContext *ctx, GetBitContext *gb)
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return -1;
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}
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s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
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if (s->time_increment_bits < 1)
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s->time_increment_bits = 1;
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ctx->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
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if (ctx->time_increment_bits < 1)
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ctx->time_increment_bits = 1;
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check_marker(gb, "before fixed_vop_rate");
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if (get_bits1(gb) != 0) /* fixed_vop_rate */
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s->avctx->time_base.num = get_bits(gb, s->time_increment_bits);
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s->avctx->time_base.num = get_bits(gb, ctx->time_increment_bits);
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else
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s->avctx->time_base.num = 1;
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@ -2020,7 +2020,7 @@ no_cplx_est:
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if (s->avctx->debug&FF_DEBUG_PICT_INFO) {
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av_log(s->avctx, AV_LOG_DEBUG, "tb %d/%d, tincrbits:%d, qp_prec:%d, ps:%d, %s%s%s%s\n",
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s->avctx->time_base.num, s->avctx->time_base.den,
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s->time_increment_bits,
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ctx->time_increment_bits,
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s->quant_precision,
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s->progressive_sequence,
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s->scalability ? "scalability " :"" , s->quarter_sample ? "qpel " : "",
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@ -2115,34 +2115,34 @@ static int decode_vop_header(Mpeg4DecContext *ctx, GetBitContext *gb)
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check_marker(gb, "before time_increment");
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if (s->time_increment_bits == 0 ||
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!(show_bits(gb, s->time_increment_bits + 1) & 1)) {
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if (ctx->time_increment_bits == 0 ||
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!(show_bits(gb, ctx->time_increment_bits + 1) & 1)) {
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av_log(s->avctx, AV_LOG_ERROR,
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"hmm, seems the headers are not complete, trying to guess time_increment_bits\n");
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for (s->time_increment_bits = 1;
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s->time_increment_bits < 16;
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s->time_increment_bits++) {
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for (ctx->time_increment_bits = 1;
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ctx->time_increment_bits < 16;
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ctx->time_increment_bits++) {
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if (s->pict_type == AV_PICTURE_TYPE_P ||
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(s->pict_type == AV_PICTURE_TYPE_S &&
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s->vol_sprite_usage == GMC_SPRITE)) {
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if ((show_bits(gb, s->time_increment_bits + 6) & 0x37) == 0x30)
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if ((show_bits(gb, ctx->time_increment_bits + 6) & 0x37) == 0x30)
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break;
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} else if ((show_bits(gb, s->time_increment_bits + 5) & 0x1F) == 0x18)
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} else if ((show_bits(gb, ctx->time_increment_bits + 5) & 0x1F) == 0x18)
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break;
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}
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av_log(s->avctx, AV_LOG_ERROR,
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"my guess is %d bits ;)\n", s->time_increment_bits);
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if (s->avctx->time_base.den && 4*s->avctx->time_base.den < 1<<s->time_increment_bits) {
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s->avctx->time_base.den = 1<<s->time_increment_bits;
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"my guess is %d bits ;)\n", ctx->time_increment_bits);
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if (s->avctx->time_base.den && 4*s->avctx->time_base.den < 1<<ctx->time_increment_bits) {
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s->avctx->time_base.den = 1<<ctx->time_increment_bits;
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}
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}
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if (IS_3IV1)
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time_increment = get_bits1(gb); // FIXME investigate further
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else
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time_increment = get_bits(gb, s->time_increment_bits);
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time_increment = get_bits(gb, ctx->time_increment_bits);
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if (s->pict_type != AV_PICTURE_TYPE_B) {
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s->last_time_base = s->time_base;
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@ -2200,7 +2200,7 @@ static int decode_vop_header(Mpeg4DecContext *ctx, GetBitContext *gb)
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return FRAME_SKIPPED;
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}
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if (s->new_pred)
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decode_new_pred(s, gb);
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decode_new_pred(ctx, gb);
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if (ctx->shape != BIN_ONLY_SHAPE &&
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(s->pict_type == AV_PICTURE_TYPE_P ||
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@ -2517,7 +2517,8 @@ static int mpeg4_update_thread_context(AVCodecContext *dst,
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if (ret < 0)
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return ret;
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s->shape = s1->shape;
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s->shape = s1->shape;
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s->time_increment_bits = s1->time_increment_bits;
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return 0;
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}
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@ -2541,7 +2542,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
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s->h263_pred = 1;
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s->low_delay = 0; /* default, might be overridden in the vol header during header parsing */
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s->decode_mb = mpeg4_decode_mb;
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s->time_increment_bits = 4; /* default value for broken headers */
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ctx->time_increment_bits = 4; /* default value for broken headers */
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avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
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avctx->internal->allocate_progress = 1;
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@ -747,9 +747,9 @@ do {\
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s->padding_bug_score = s1->padding_bug_score;
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// MPEG4 timing info
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memcpy(&s->time_increment_bits, &s1->time_increment_bits,
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memcpy(&s->last_time_base, &s1->last_time_base,
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(char *) &s1->pb_field_time + sizeof(s1->pb_field_time) -
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(char *) &s1->time_increment_bits);
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(char *) &s1->last_time_base);
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// B-frame info
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s->max_b_frames = s1->max_b_frames;
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@ -585,7 +585,8 @@ typedef struct MpegEncContext {
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int custom_pcf;
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/* mpeg4 specific */
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int time_increment_bits; ///< number of bits to represent the fractional part of time
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///< number of bits to represent the fractional part of time (encoder only)
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int time_increment_bits;
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int last_time_base;
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int time_base; ///< time in seconds of last I,P,S Frame
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int64_t time; ///< time of current frame
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