diff options
Diffstat (limited to 'libavcodec/utils.c')
| -rw-r--r-- | libavcodec/utils.c | 569 |
1 files changed, 427 insertions, 142 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 4492486..5af3515 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -3,20 +3,20 @@ * Copyright (c) 2001 Fabrice Bellard * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -34,6 +34,7 @@ #include "libavutil/imgutils.h" #include "libavutil/samplefmt.h" #include "libavutil/dict.h" +#include "libavutil/avassert.h" #include "avcodec.h" #include "dsputil.h" #include "libavutil/opt.h" @@ -68,29 +69,34 @@ void *av_fast_realloc(void *ptr, unsigned int *size, size_t min_size) return ptr; } -void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size) +static inline int ff_fast_malloc(void *ptr, unsigned int *size, size_t min_size, int zero_realloc) { void **p = ptr; if (min_size < *size) - return; + return 0; min_size= FFMAX(17*min_size/16 + 32, min_size); av_free(*p); - *p = av_malloc(min_size); + *p = zero_realloc ? av_mallocz(min_size) : av_malloc(min_size); if (!*p) min_size = 0; *size= min_size; + return 1; +} + +void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size) +{ + ff_fast_malloc(ptr, size, min_size, 0); } void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size) { - void **p = ptr; + uint8_t **p = ptr; if (min_size > SIZE_MAX - FF_INPUT_BUFFER_PADDING_SIZE) { av_freep(p); *size = 0; return; } - av_fast_malloc(p, size, min_size + FF_INPUT_BUFFER_PADDING_SIZE); - if (*size) - memset((uint8_t *)*p + min_size, 0, FF_INPUT_BUFFER_PADDING_SIZE); + if (!ff_fast_malloc(p, size, min_size + FF_INPUT_BUFFER_PADDING_SIZE, 1)) + memset(*p + min_size, 0, FF_INPUT_BUFFER_PADDING_SIZE); } /* encoder management */ @@ -172,6 +178,7 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, case PIX_FMT_YUVJ440P: case PIX_FMT_YUVJ444P: case PIX_FMT_YUVA420P: + case PIX_FMT_YUVA444P: case PIX_FMT_YUV420P9LE: case PIX_FMT_YUV420P9BE: case PIX_FMT_YUV420P10LE: @@ -226,6 +233,10 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, break; } + if(s->codec_id == CODEC_ID_IFF_ILBM || s->codec_id == CODEC_ID_IFF_BYTERUN1){ + w_align= FFMAX(w_align, 8); + } + *width = FFALIGN(*width , w_align); *height= FFALIGN(*height, h_align); if (s->codec_id == CODEC_ID_H264) @@ -247,6 +258,22 @@ void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){ *width=FFALIGN(*width, align); } +void ff_init_buffer_info(AVCodecContext *s, AVFrame *pic) +{ + if (s->pkt) { + pic->pkt_pts = s->pkt->pts; + pic->pkt_pos = s->pkt->pos; + } else { + pic->pkt_pts = AV_NOPTS_VALUE; + pic->pkt_pos = -1; + } + pic->reordered_opaque= s->reordered_opaque; + pic->sample_aspect_ratio = s->sample_aspect_ratio; + pic->width = s->width; + pic->height = s->height; + pic->format = s->pix_fmt; +} + int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels, enum AVSampleFormat sample_fmt, const uint8_t *buf, int buf_size, int align) @@ -269,10 +296,10 @@ int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels, } if ((ret = av_samples_fill_arrays(frame->extended_data, &frame->linesize[0], - buf, nb_channels, frame->nb_samples, + (uint8_t *)(intptr_t)buf, nb_channels, frame->nb_samples, sample_fmt, align)) < 0) { if (frame->extended_data != frame->data) - av_free(frame->extended_data); + av_freep(&frame->extended_data); return ret; } if (frame->extended_data != frame->data) { @@ -310,7 +337,7 @@ static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame) if (buf->extended_data[0] && buf_size > buf->audio_data_size) { av_free(buf->extended_data[0]); if (buf->extended_data != buf->data) - av_free(&buf->extended_data); + av_freep(&buf->extended_data); buf->extended_data = NULL; buf->data[0] = NULL; } @@ -352,8 +379,14 @@ static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame) frame->type = FF_BUFFER_TYPE_INTERNAL; - if (avctx->pkt) frame->pkt_pts = avctx->pkt->pts; - else frame->pkt_pts = AV_NOPTS_VALUE; + if (avctx->pkt) { + frame->pkt_pts = avctx->pkt->pts; + frame->pkt_pos = avctx->pkt->pos; + } else { + frame->pkt_pts = AV_NOPTS_VALUE; + frame->pkt_pos = -1; + } + frame->reordered_opaque = avctx->reordered_opaque; if (avctx->debug & FF_DEBUG_BUFFERS) @@ -380,7 +413,7 @@ static int video_get_buffer(AVCodecContext *s, AVFrame *pic) return -1; } - if(av_image_check_size(w, h, 0, s)) + if(av_image_check_size(w, h, 0, s) || s->pix_fmt<0) return -1; if (!avci->buffer) { @@ -479,9 +512,18 @@ static int video_get_buffer(AVCodecContext *s, AVFrame *pic) pic->format = buf->pix_fmt; pic->sample_aspect_ratio = s->sample_aspect_ratio; - if(s->pkt) pic->pkt_pts= s->pkt->pts; - else pic->pkt_pts= AV_NOPTS_VALUE; + if (s->pkt) { + pic->pkt_pts = s->pkt->pts; + pic->pkt_pos = s->pkt->pos; + } else { + pic->pkt_pts = AV_NOPTS_VALUE; + pic->pkt_pos = -1; + } pic->reordered_opaque= s->reordered_opaque; + pic->sample_aspect_ratio = s->sample_aspect_ratio; + pic->width = s->width; + pic->height = s->height; + pic->format = s->pix_fmt; if(s->debug&FF_DEBUG_BUFFERS) av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p, %d " @@ -544,6 +586,14 @@ int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){ assert(s->codec_type == AVMEDIA_TYPE_VIDEO); + if (pic->data[0] && (pic->width != s->width || pic->height != s->height || pic->format != s->pix_fmt)) { + av_log(s, AV_LOG_WARNING, "Picture changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s in reget buffer()\n", + pic->width, pic->height, av_get_pix_fmt_name(pic->format), s->width, s->height, av_get_pix_fmt_name(s->pix_fmt)); + s->release_buffer(s, pic); + } + + ff_init_buffer_info(s, pic); + /* If no picture return a new buffer */ if(pic->data[0] == NULL) { /* We will copy from buffer, so must be readable */ @@ -555,9 +605,6 @@ int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){ /* If internal buffer type return the same buffer */ if(pic->type == FF_BUFFER_TYPE_INTERNAL) { - if(s->pkt) pic->pkt_pts= s->pkt->pts; - else pic->pkt_pts= AV_NOPTS_VALUE; - pic->reordered_opaque= s->reordered_opaque; return 0; } @@ -607,7 +654,8 @@ enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum void avcodec_get_frame_defaults(AVFrame *pic){ memset(pic, 0, sizeof(AVFrame)); - pic->pts= AV_NOPTS_VALUE; + pic->pts = pic->pkt_dts = pic->pkt_pts = pic->best_effort_timestamp = AV_NOPTS_VALUE; + pic->pkt_pos = -1; pic->key_frame= 1; pic->sample_aspect_ratio = (AVRational){0, 1}; pic->format = -1; /* unknown */ @@ -623,6 +671,42 @@ AVFrame *avcodec_alloc_frame(void){ return pic; } +static void avcodec_get_subtitle_defaults(AVSubtitle *sub) +{ + memset(sub, 0, sizeof(*sub)); + sub->pts = AV_NOPTS_VALUE; +} + +static int get_bit_rate(AVCodecContext *ctx) +{ + int bit_rate; + int bits_per_sample; + + switch(ctx->codec_type) { + case AVMEDIA_TYPE_VIDEO: + case AVMEDIA_TYPE_DATA: + case AVMEDIA_TYPE_SUBTITLE: + case AVMEDIA_TYPE_ATTACHMENT: + bit_rate = ctx->bit_rate; + break; + case AVMEDIA_TYPE_AUDIO: + bits_per_sample = av_get_bits_per_sample(ctx->codec_id); + bit_rate = bits_per_sample ? ctx->sample_rate * ctx->channels * bits_per_sample : ctx->bit_rate; + break; + default: + bit_rate = 0; + break; + } + return bit_rate; +} + +#if FF_API_AVCODEC_OPEN +int attribute_align_arg avcodec_open(AVCodecContext *avctx, AVCodec *codec) +{ + return avcodec_open2(avctx, codec, NULL); +} +#endif + int attribute_align_arg avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVDictionary **options) { int ret = 0; @@ -676,7 +760,7 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVD goto end; } if (codec->priv_class) { - *(AVClass**)avctx->priv_data= codec->priv_class; + *(const AVClass**)avctx->priv_data= codec->priv_class; av_opt_set_defaults(avctx->priv_data); } } @@ -688,10 +772,20 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVD if ((ret = av_opt_set_dict(avctx, &tmp)) < 0) goto free_and_end; + if (codec->capabilities & CODEC_CAP_EXPERIMENTAL) + if (avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) { + av_log(avctx, AV_LOG_ERROR, "Codec is experimental but experimental codecs are not enabled, see -strict -2\n"); + ret = -1; + goto free_and_end; + } + + //We only call avcodec_set_dimensions() for non h264 codecs so as not to overwrite previously setup dimensions + if(!( avctx->coded_width && avctx->coded_height && avctx->width && avctx->height && avctx->codec_id == CODEC_ID_H264)){ if(avctx->coded_width && avctx->coded_height) avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height); else if(avctx->width && avctx->height) avcodec_set_dimensions(avctx, avctx->width, avctx->height); + } if ((avctx->coded_width || avctx->coded_height || avctx->width || avctx->height) && ( av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx) < 0 @@ -731,6 +825,9 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVD avctx->time_base.den = avctx->sample_rate; } + if (!HAVE_THREADS) + av_log(avctx, AV_LOG_WARNING, "Warning: not compiled with thread support, using thread emulation\n"); + if (HAVE_THREADS && !avctx->thread_opaque) { ret = ff_thread_init(avctx); if (ret < 0) { @@ -740,6 +837,13 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVD if (!HAVE_THREADS && !(codec->capabilities & CODEC_CAP_AUTO_THREADS)) avctx->thread_count = 1; + if (avctx->codec->max_lowres < avctx->lowres || avctx->lowres < 0) { + av_log(avctx, AV_LOG_ERROR, "The maximum value for lowres supported by the decoder is %d\n", + avctx->codec->max_lowres); + ret = AVERROR(EINVAL); + goto free_and_end; + } + if (av_codec_is_encoder(avctx->codec)) { int i; if (avctx->codec->sample_fmts) { @@ -797,6 +901,11 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVD } } + avctx->pts_correction_num_faulty_pts = + avctx->pts_correction_num_faulty_dts = 0; + avctx->pts_correction_last_pts = + avctx->pts_correction_last_dts = INT64_MIN; + if(avctx->codec->init && !(avctx->active_thread_type&FF_THREAD_FRAME)){ ret = avctx->codec->init(avctx); if (ret < 0) { @@ -804,7 +913,11 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVD } } + ret=0; + if (av_codec_is_decoder(avctx->codec)) { + if (!avctx->bit_rate) + avctx->bit_rate = get_bit_rate(avctx); /* validate channel layout from the decoder */ if (avctx->channel_layout && av_get_channel_layout_nb_channels(avctx->channel_layout) != avctx->channels) { @@ -833,34 +946,55 @@ free_and_end: goto end; } -int ff_alloc_packet(AVPacket *avpkt, int size) +int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int size) { - if (size > INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE) + if (size < 0 || avpkt->size < 0 || size > INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE) { + av_log(avctx, AV_LOG_ERROR, "Size %d invalid\n", size); return AVERROR(EINVAL); + } + + av_assert0(!avpkt->data || avpkt->data != avctx->internal->byte_buffer); + if (!avpkt->data || avpkt->size < size) { + av_fast_padded_malloc(&avctx->internal->byte_buffer, &avctx->internal->byte_buffer_size, size); + avpkt->data = avctx->internal->byte_buffer; + avpkt->size = avctx->internal->byte_buffer_size; + avpkt->destruct = NULL; + } if (avpkt->data) { void *destruct = avpkt->destruct; - if (avpkt->size < size) + if (avpkt->size < size) { + av_log(avctx, AV_LOG_ERROR, "User packet is too small (%d < %d)\n", avpkt->size, size); return AVERROR(EINVAL); + } av_init_packet(avpkt); avpkt->destruct = destruct; avpkt->size = size; return 0; } else { - return av_new_packet(avpkt, size); + int ret = av_new_packet(avpkt, size); + if (ret < 0) + av_log(avctx, AV_LOG_ERROR, "Failed to allocate packet of size %d\n", size); + return ret; } } +int ff_alloc_packet(AVPacket *avpkt, int size) +{ + return ff_alloc_packet2(NULL, avpkt, size); +} + int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr) { int ret; - int user_packet = !!avpkt->data; + AVPacket user_pkt = *avpkt; int nb_samples; + int needs_realloc = !user_pkt.data; *got_packet_ptr = 0; @@ -905,9 +1039,11 @@ int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx, the size otherwise */ int fs_tmp = 0; int buf_size = avpkt->size; - if (!user_packet) { + if (!user_pkt.data) { if (avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE) { av_assert0(av_get_bits_per_sample(avctx->codec_id) != 0); + if (!frame) + return AVERROR(EINVAL); buf_size = nb_samples * avctx->channels * av_get_bits_per_sample(avctx->codec_id) / 8; } else { @@ -916,10 +1052,10 @@ int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx, implement encode2() */ buf_size = 2 * avctx->frame_size * avctx->channels * av_get_bytes_per_sample(avctx->sample_fmt); - buf_size += FF_MIN_BUFFER_SIZE; + buf_size += 2*FF_MIN_BUFFER_SIZE; } } - if ((ret = ff_alloc_packet(avpkt, buf_size))) + if ((ret = ff_alloc_packet2(avctx, avpkt, buf_size))) return ret; /* Encoders using AVCodec.encode() that support @@ -940,7 +1076,7 @@ int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx, if (!ret) { /* no output. if the packet data was allocated by libavcodec, free it */ - if (!user_packet) + if (!user_pkt.data && avpkt->data != avctx->internal->byte_buffer) av_freep(&avpkt->data); } else { if (avctx->coded_frame) @@ -961,9 +1097,28 @@ int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx, if (fs_tmp) avctx->frame_size = fs_tmp; } + if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) { + needs_realloc = 0; + if (user_pkt.data) { + if (user_pkt.size >= avpkt->size) { + memcpy(user_pkt.data, avpkt->data, avpkt->size); + } else { + av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size); + avpkt->size = user_pkt.size; + ret = -1; + } + avpkt->data = user_pkt.data; + avpkt->destruct = user_pkt.destruct; + } else { + if (av_dup_packet(avpkt) < 0) { + ret = AVERROR(ENOMEM); + } + } + } + if (!ret) { - if (!user_packet && avpkt->size) { - uint8_t *new_data = av_realloc(avpkt->data, avpkt->size); + if (needs_realloc && avpkt->data) { + uint8_t *new_data = av_realloc(avpkt->data, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE); if (new_data) avpkt->data = new_data; } @@ -1026,14 +1181,17 @@ int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx, avctx->sample_fmt, 1); if ((ret = avcodec_fill_audio_frame(frame, avctx->channels, avctx->sample_fmt, - samples, samples_size, 1))) + (const uint8_t *)samples, samples_size, 1))) return ret; /* fabricate frame pts from sample count. this is needed because the avcodec_encode_audio() API does not have a way for the user to provide pts */ - frame->pts = ff_samples_to_time_base(avctx, - avctx->internal->sample_count); + if(avctx->sample_rate && avctx->time_base.num) + frame->pts = ff_samples_to_time_base(avctx, + avctx->internal->sample_count); + else + frame->pts = AV_NOPTS_VALUE; avctx->internal->sample_count += frame->nb_samples; } else { frame = NULL; @@ -1046,16 +1204,10 @@ int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx, avctx->coded_frame->key_frame = !!(pkt.flags & AV_PKT_FLAG_KEY); } /* free any side data since we cannot return it */ - if (pkt.side_data_elems > 0) { - int i; - for (i = 0; i < pkt.side_data_elems; i++) - av_free(pkt.side_data[i].data); - av_freep(&pkt.side_data); - pkt.side_data_elems = 0; - } + ff_packet_free_side_data(&pkt); if (frame && frame->extended_data != frame->data) - av_free(frame->extended_data); + av_freep(&frame->extended_data); return ret ? ret : pkt.size; } @@ -1102,7 +1254,8 @@ int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx, int *got_packet_ptr) { int ret; - int user_packet = !!avpkt->data; + AVPacket user_pkt = *avpkt; + int needs_realloc = !user_pkt.data; *got_packet_ptr = 0; @@ -1119,14 +1272,36 @@ int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx, av_assert0(avctx->codec->encode2); ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr); + av_assert0(ret <= 0); + + if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) { + needs_realloc = 0; + if (user_pkt.data) { + if (user_pkt.size >= avpkt->size) { + memcpy(user_pkt.data, avpkt->data, avpkt->size); + } else { + av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size); + avpkt->size = user_pkt.size; + ret = -1; + } + avpkt->data = user_pkt.data; + avpkt->destruct = user_pkt.destruct; + } else { + if (av_dup_packet(avpkt) < 0) { + ret = AVERROR(ENOMEM); + } + } + } + if (!ret) { if (!*got_packet_ptr) avpkt->size = 0; else if (!(avctx->codec->capabilities & CODEC_CAP_DELAY)) avpkt->pts = avpkt->dts = frame->pts; - if (!user_packet && avpkt->size) { - uint8_t *new_data = av_realloc(avpkt->data, avpkt->size); + if (needs_realloc && avpkt->data && + avpkt->destruct == av_destruct_packet) { + uint8_t *new_data = av_realloc(avpkt->data, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE); if (new_data) avpkt->data = new_data; } @@ -1149,13 +1324,44 @@ int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size, av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n"); return -1; } - if(sub->num_rects == 0 || !sub->rects) - return -1; - ret = avctx->codec->encode(avctx, buf, buf_size, sub); + + ret = avctx->codec->encode(avctx, buf, buf_size, (void *)(intptr_t)sub); avctx->frame_number++; return ret; } +/** + * Attempt to guess proper monotonic timestamps for decoded video frames + * which might have incorrect times. Input timestamps may wrap around, in + * which case the output will as well. + * + * @param pts the pts field of the decoded AVPacket, as passed through + * AVFrame.pkt_pts + * @param dts the dts field of the decoded AVPacket + * @return one of the input values, may be AV_NOPTS_VALUE + */ +static int64_t guess_correct_pts(AVCodecContext *ctx, + int64_t reordered_pts, int64_t dts) +{ + int64_t pts = AV_NOPTS_VALUE; + + if (dts != AV_NOPTS_VALUE) { + ctx->pts_correction_num_faulty_dts += dts <= ctx->pts_correction_last_dts; + ctx->pts_correction_last_dts = dts; + } + if (reordered_pts != AV_NOPTS_VALUE) { + ctx->pts_correction_num_faulty_pts += reordered_pts <= ctx->pts_correction_last_pts; + ctx->pts_correction_last_pts = reordered_pts; + } + if ((ctx->pts_correction_num_faulty_pts<=ctx->pts_correction_num_faulty_dts || dts == AV_NOPTS_VALUE) + && reordered_pts != AV_NOPTS_VALUE) + pts = reordered_pts; + else + pts = dts; + + return pts; +} + static void apply_param_change(AVCodecContext *avctx, AVPacket *avpkt) { int size = 0; @@ -1200,35 +1406,59 @@ static void apply_param_change(AVCodecContext *avctx, AVPacket *avpkt) int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture, int *got_picture_ptr, - AVPacket *avpkt) + const AVPacket *avpkt) { int ret; + // copy to ensure we do not change avpkt + AVPacket tmp = *avpkt; + + if (avctx->codec->type != AVMEDIA_TYPE_VIDEO) { + av_log(avctx, AV_LOG_ERROR, "Invalid media type for video\n"); + return AVERROR(EINVAL); + } *got_picture_ptr= 0; if((avctx->coded_width||avctx->coded_height) && av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx)) return -1; - avctx->pkt = avpkt; - apply_param_change(avctx, avpkt); - if((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type&FF_THREAD_FRAME)){ + int did_split = av_packet_split_side_data(&tmp); + apply_param_change(avctx, &tmp); + avctx->pkt = &tmp; if (HAVE_THREADS && avctx->active_thread_type&FF_THREAD_FRAME) ret = ff_thread_decode_frame(avctx, picture, got_picture_ptr, - avpkt); + &tmp); else { ret = avctx->codec->decode(avctx, picture, got_picture_ptr, - avpkt); + &tmp); picture->pkt_dts= avpkt->dts; - picture->sample_aspect_ratio = avctx->sample_aspect_ratio; - picture->width = avctx->width; - picture->height = avctx->height; - picture->format = avctx->pix_fmt; + + if(!avctx->has_b_frames){ + picture->pkt_pos= avpkt->pos; + } + //FIXME these should be under if(!avctx->has_b_frames) + if (!picture->sample_aspect_ratio.num) + picture->sample_aspect_ratio = avctx->sample_aspect_ratio; + if (!picture->width) + picture->width = avctx->width; + if (!picture->height) + picture->height = avctx->height; + if (picture->format == PIX_FMT_NONE) + picture->format = avctx->pix_fmt; } emms_c(); //needed to avoid an emms_c() call before every return; - if (*got_picture_ptr) + avctx->pkt = NULL; + if (did_split) + ff_packet_free_side_data(&tmp); + + if (*got_picture_ptr){ avctx->frame_number++; + picture->best_effort_timestamp = guess_correct_pts(avctx, + picture->pkt_pts, + picture->pkt_dts); + } }else ret= 0; @@ -1249,6 +1479,7 @@ int attribute_align_arg avcodec_decode_audio3(AVCodecContext *avctx, int16_t *sa av_log(avctx, AV_LOG_ERROR, "Please port your application to " "avcodec_decode_audio4()\n"); avctx->get_buffer = avcodec_default_get_buffer; + avctx->release_buffer = avcodec_default_release_buffer; } ret = avcodec_decode_audio4(avctx, &frame, &got_frame, avpkt); @@ -1285,29 +1516,39 @@ int attribute_align_arg avcodec_decode_audio3(AVCodecContext *avctx, int16_t *sa int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx, AVFrame *frame, int *got_frame_ptr, - AVPacket *avpkt) + const AVPacket *avpkt) { int ret = 0; *got_frame_ptr = 0; - avctx->pkt = avpkt; - if (!avpkt->data && avpkt->size) { av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n"); return AVERROR(EINVAL); } - - apply_param_change(avctx, avpkt); + if (avctx->codec->type != AVMEDIA_TYPE_AUDIO) { + av_log(avctx, AV_LOG_ERROR, "Invalid media type for audio\n"); + return AVERROR(EINVAL); + } if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size) { - ret = avctx->codec->decode(avctx, frame, got_frame_ptr, avpkt); + // copy to ensure we do not change avpkt + AVPacket tmp = *avpkt; + int did_split = av_packet_split_side_data(&tmp); + apply_param_change(avctx, &tmp); + + avctx->pkt = &tmp; + ret = avctx->codec->decode(avctx, frame, got_frame_ptr, &tmp); if (ret >= 0 && *got_frame_ptr) { avctx->frame_number++; frame->pkt_dts = avpkt->dts; if (frame->format == AV_SAMPLE_FMT_NONE) frame->format = avctx->sample_fmt; } + + avctx->pkt = NULL; + if (did_split) + ff_packet_free_side_data(&tmp); } return ret; } @@ -1318,8 +1559,14 @@ int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub, { int ret; + if (avctx->codec->type != AVMEDIA_TYPE_SUBTITLE) { + av_log(avctx, AV_LOG_ERROR, "Invalid media type for subtitles\n"); + return AVERROR(EINVAL); + } + avctx->pkt = avpkt; *got_sub_ptr = 0; + avcodec_get_subtitle_defaults(sub); ret = avctx->codec->decode(avctx, sub, got_sub_ptr, avpkt); if (*got_sub_ptr) avctx->frame_number++; @@ -1368,6 +1615,8 @@ av_cold int avcodec_close(AVCodecContext *avctx) avctx->codec->close(avctx); avcodec_default_free_buffers(avctx); avctx->coded_frame = NULL; + avctx->internal->byte_buffer_size = 0; + av_freep(&avctx->internal->byte_buffer); av_freep(&avctx->internal); } @@ -1388,10 +1637,21 @@ av_cold int avcodec_close(AVCodecContext *avctx) return 0; } +static enum CodecID remap_deprecated_codec_id(enum CodecID id) +{ + switch(id){ + //This is for future deprecatec codec ids, its empty since + //last major bump but will fill up again over time, please dont remove it +// case CODEC_ID_UTVIDEO_DEPRECATED: return CODEC_ID_UTVIDEO; + default : return id; + } +} + AVCodec *avcodec_find_encoder(enum CodecID id) { AVCodec *p, *experimental=NULL; p = first_avcodec; + id= remap_deprecated_codec_id(id); while (p) { if (av_codec_is_encoder(p) && p->id == id) { if (p->capabilities & CODEC_CAP_EXPERIMENTAL && !experimental) { @@ -1420,14 +1680,19 @@ AVCodec *avcodec_find_encoder_by_name(const char *name) AVCodec *avcodec_find_decoder(enum CodecID id) { - AVCodec *p; + AVCodec *p, *experimental=NULL; p = first_avcodec; + id= remap_deprecated_codec_id(id); while (p) { - if (av_codec_is_decoder(p) && p->id == id) - return p; + if (av_codec_is_decoder(p) && p->id == id) { + if (p->capabilities & CODEC_CAP_EXPERIMENTAL && !experimental) { + experimental = p; + } else + return p; + } p = p->next; } - return NULL; + return experimental; } AVCodec *avcodec_find_decoder_by_name(const char *name) @@ -1444,27 +1709,23 @@ AVCodec *avcodec_find_decoder_by_name(const char *name) return NULL; } -static int get_bit_rate(AVCodecContext *ctx) +const char *avcodec_get_name(enum CodecID id) { - int bit_rate; - int bits_per_sample; + AVCodec *codec; - switch(ctx->codec_type) { - case AVMEDIA_TYPE_VIDEO: - case AVMEDIA_TYPE_DATA: - case AVMEDIA_TYPE_SUBTITLE: - case AVMEDIA_TYPE_ATTACHMENT: - bit_rate = ctx->bit_rate; - break; - case AVMEDIA_TYPE_AUDIO: - bits_per_sample = av_get_bits_per_sample(ctx->codec_id); - bit_rate = bits_per_sample ? ctx->sample_rate * ctx->channels * bits_per_sample : ctx->bit_rate; - break; - default: - bit_rate = 0; - break; +#if !CONFIG_SMALL + switch (id) { +#include "libavcodec/codec_names.h" } - return bit_rate; + av_log(NULL, AV_LOG_WARNING, "Codec 0x%x is not in the full list.\n", id); +#endif + codec = avcodec_find_decoder(id); + if (codec) + return codec->name; + codec = avcodec_find_encoder(id); + if (codec) + return codec->name; + return "unknown_codec"; } size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_tag) @@ -1484,45 +1745,40 @@ size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_ta void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) { + const char *codec_type; const char *codec_name; const char *profile = NULL; AVCodec *p; - char buf1[32]; int bitrate; AVRational display_aspect_ratio; - if (enc->codec) - p = enc->codec; - else if (encode) - p = avcodec_find_encoder(enc->codec_id); - else - p = avcodec_find_decoder(enc->codec_id); - - if (p) { - codec_name = p->name; - profile = av_get_profile_name(p, enc->profile); - } else if (enc->codec_id == CODEC_ID_MPEG2TS) { - /* fake mpeg2 transport stream codec (currently not - registered) */ - codec_name = "mpeg2ts"; - } else if (enc->codec_name[0] != '\0') { - codec_name = enc->codec_name; - } else { - /* output avi tags */ + if (!buf || buf_size <= 0) + return; + codec_type = av_get_media_type_string(enc->codec_type); + codec_name = avcodec_get_name(enc->codec_id); + if (enc->profile != FF_PROFILE_UNKNOWN) { + if (enc->codec) + p = enc->codec; + else + p = encode ? avcodec_find_encoder(enc->codec_id) : + avcodec_find_decoder(enc->codec_id); + if (p) + profile = av_get_profile_name(p, enc->profile); + } + + snprintf(buf, buf_size, "%s: %s%s", codec_type ? codec_type : "unknown", + codec_name, enc->mb_decision ? " (hq)" : ""); + buf[0] ^= 'a' ^ 'A'; /* first letter in uppercase */ + if (profile) + snprintf(buf + strlen(buf), buf_size - strlen(buf), " (%s)", profile); + if (enc->codec_tag) { char tag_buf[32]; av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag); - snprintf(buf1, sizeof(buf1), "%s / 0x%04X", tag_buf, enc->codec_tag); - codec_name = buf1; + snprintf(buf + strlen(buf), buf_size - strlen(buf), + " (%s / 0x%04X)", tag_buf, enc->codec_tag); } - switch(enc->codec_type) { case AVMEDIA_TYPE_VIDEO: - snprintf(buf, buf_size, - "Video: %s%s", - codec_name, enc->mb_decision ? " (hq)" : ""); - if (profile) - snprintf(buf + strlen(buf), buf_size - strlen(buf), - " (%s)", profile); if (enc->pix_fmt != PIX_FMT_NONE) { snprintf(buf + strlen(buf), buf_size - strlen(buf), ", %s", @@ -1538,7 +1794,7 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) enc->height*enc->sample_aspect_ratio.den, 1024*1024); snprintf(buf + strlen(buf), buf_size - strlen(buf), - " [PAR %d:%d DAR %d:%d]", + " [SAR %d:%d DAR %d:%d]", enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den, display_aspect_ratio.num, display_aspect_ratio.den); } @@ -1555,12 +1811,6 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) } break; case AVMEDIA_TYPE_AUDIO: - snprintf(buf, buf_size, - "Audio: %s", - codec_name); - if (profile) - snprintf(buf + strlen(buf), buf_size - strlen(buf), - " (%s)", profile); if (enc->sample_rate) { snprintf(buf + strlen(buf), buf_size - strlen(buf), ", %d Hz", enc->sample_rate); @@ -1572,17 +1822,7 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) ", %s", av_get_sample_fmt_name(enc->sample_fmt)); } break; - case AVMEDIA_TYPE_DATA: - snprintf(buf, buf_size, "Data: %s", codec_name); - break; - case AVMEDIA_TYPE_SUBTITLE: - snprintf(buf, buf_size, "Subtitle: %s", codec_name); - break; - case AVMEDIA_TYPE_ATTACHMENT: - snprintf(buf, buf_size, "Attachment: %s", codec_name); - break; default: - snprintf(buf, buf_size, "Invalid Codec type %d", enc->codec_type); return; } if (encode) { @@ -1615,18 +1855,25 @@ const char *av_get_profile_name(const AVCodec *codec, int profile) unsigned avcodec_version( void ) { +// av_assert0(CODEC_ID_V410==164); + av_assert0(CODEC_ID_PCM_S8_PLANAR==65563); + av_assert0(CODEC_ID_ADPCM_G722==69660); +// av_assert0(CODEC_ID_BMV_AUDIO==86071); + av_assert0(CODEC_ID_SRT==94216); + av_assert0(LIBAVCODEC_VERSION_MICRO >= 100); + return LIBAVCODEC_VERSION_INT; } const char *avcodec_configuration(void) { - return LIBAV_CONFIGURATION; + return FFMPEG_CONFIGURATION; } const char *avcodec_license(void) { #define LICENSE_PREFIX "libavcodec license: " - return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1; + return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1; } void avcodec_flush_buffers(AVCodecContext *avctx) @@ -1635,6 +1882,9 @@ void avcodec_flush_buffers(AVCodecContext *avctx) ff_thread_flush(avctx); else if(avctx->codec->flush) avctx->codec->flush(avctx); + + avctx->pts_correction_last_pts = + avctx->pts_correction_last_dts = INT64_MIN; } static void video_free_buffers(AVCodecContext *s) @@ -1672,7 +1922,7 @@ static void audio_free_buffers(AVCodecContext *avctx) if (buf->extended_data) { av_free(buf->extended_data[0]); if (buf->extended_data != buf->data) - av_free(buf->extended_data); + av_freep(&buf->extended_data); } av_freep(&avci->buffer); } @@ -1734,6 +1984,27 @@ int av_get_exact_bits_per_sample(enum CodecID codec_id) } } +enum CodecID av_get_pcm_codec(enum AVSampleFormat fmt, int be) +{ + static const enum CodecID map[AV_SAMPLE_FMT_NB][2] = { + [AV_SAMPLE_FMT_U8 ] = { CODEC_ID_PCM_U8, CODEC_ID_PCM_U8 }, + [AV_SAMPLE_FMT_S16 ] = { CODEC_ID_PCM_S16LE, CODEC_ID_PCM_S16BE }, + [AV_SAMPLE_FMT_S32 ] = { CODEC_ID_PCM_S32LE, CODEC_ID_PCM_S32BE }, + [AV_SAMPLE_FMT_FLT ] = { CODEC_ID_PCM_F32LE, CODEC_ID_PCM_F32BE }, + [AV_SAMPLE_FMT_DBL ] = { CODEC_ID_PCM_F64LE, CODEC_ID_PCM_F64BE }, + [AV_SAMPLE_FMT_U8P ] = { CODEC_ID_PCM_U8, CODEC_ID_PCM_U8 }, + [AV_SAMPLE_FMT_S16P] = { CODEC_ID_PCM_S16LE, CODEC_ID_PCM_S16BE }, + [AV_SAMPLE_FMT_S32P] = { CODEC_ID_PCM_S32LE, CODEC_ID_PCM_S32BE }, + [AV_SAMPLE_FMT_FLTP] = { CODEC_ID_PCM_F32LE, CODEC_ID_PCM_F32BE }, + [AV_SAMPLE_FMT_DBLP] = { CODEC_ID_PCM_F64LE, CODEC_ID_PCM_F64BE }, + }; + if (fmt < 0 || fmt >= AV_SAMPLE_FMT_NB) + return CODEC_ID_NONE; + if (be < 0 || be > 1) + be = AV_NE(1, 0); + return map[fmt][be]; +} + int av_get_bits_per_sample(enum CodecID codec_id) { switch (codec_id) { @@ -1922,7 +2193,7 @@ int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b){ void av_log_missing_feature(void *avc, const char *feature, int want_sample) { - av_log(avc, AV_LOG_WARNING, "%s not implemented. Update your Libav " + av_log(avc, AV_LOG_WARNING, "%s not implemented. Update your FFmpeg " "version to the newest one from Git. If the problem still " "occurs, it means that your file has a feature which has not " "been implemented.\n", feature); @@ -1939,8 +2210,8 @@ void av_log_ask_for_sample(void *avc, const char *msg, ...) if (msg) av_vlog(avc, AV_LOG_WARNING, msg, argument_list); av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample " - "of this file to ftp://upload.libav.org/incoming/ " - "and contact the libav-devel mailing list.\n"); + "of this file to ftp://upload.ffmpeg.org/MPlayer/incoming/ " + "and contact the ffmpeg-devel mailing list.\n"); va_end(argument_list); } @@ -2024,6 +2295,9 @@ unsigned int avpriv_toupper4(unsigned int x) int ff_thread_get_buffer(AVCodecContext *avctx, AVFrame *f) { f->owner = avctx; + + ff_init_buffer_info(avctx, f); + return avctx->get_buffer(avctx, f); } @@ -2044,10 +2318,21 @@ void ff_thread_await_progress(AVFrame *f, int progress, int field) { } +int ff_thread_can_start_frame(AVCodecContext *avctx) +{ + return 1; +} + #endif enum AVMediaType avcodec_get_type(enum CodecID codec_id) { + AVCodec *c= avcodec_find_decoder(codec_id); + if(!c) + c= avcodec_find_encoder(codec_id); + if(c) + return c->type; + if (codec_id <= CODEC_ID_NONE) return AVMEDIA_TYPE_UNKNOWN; else if (codec_id < CODEC_ID_FIRST_AUDIO) |
