X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=libavcodec%2Futils.c;h=95d2193abc80bc4bd609b06c11d3e367926af702;hb=c442190a6bfd8036f6c32b78e1e96ff3b830f8f0;hp=b2fdd324587c39b5ebc0aa0963027e5bc7b710e4;hpb=70762508ec5919474edb92a5b1f266fd06640f9c;p=ffmpeg diff --git a/libavcodec/utils.c b/libavcodec/utils.c index b2fdd324587..95d2193abc8 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -26,63 +26,36 @@ */ #include "config.h" +#include "libavutil/attributes.h" #include "libavutil/avassert.h" #include "libavutil/avstring.h" #include "libavutil/channel_layout.h" #include "libavutil/crc.h" +#include "libavutil/frame.h" +#include "libavutil/internal.h" #include "libavutil/mathematics.h" #include "libavutil/pixdesc.h" #include "libavutil/imgutils.h" #include "libavutil/samplefmt.h" #include "libavutil/dict.h" #include "avcodec.h" -#include "dsputil.h" #include "libavutil/opt.h" +#include "me_cmp.h" +#include "mpegvideo.h" #include "thread.h" #include "internal.h" #include "bytestream.h" +#include "version.h" #include #include #include #include static int volatile entangled_thread_counter = 0; -static int (*ff_lockmgr_cb)(void **mutex, enum AVLockOp op); +static int (*lockmgr_cb)(void **mutex, enum AVLockOp op); static void *codec_mutex; static void *avformat_mutex; -void *av_fast_realloc(void *ptr, unsigned int *size, size_t min_size) -{ - if (min_size < *size) - return ptr; - - min_size = FFMAX(17 * min_size / 16 + 32, min_size); - - ptr = av_realloc(ptr, min_size); - /* we could set this to the unmodified min_size but this is safer - * if the user lost the ptr and uses NULL now - */ - if (!ptr) - min_size = 0; - - *size = min_size; - - return ptr; -} - -void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size) -{ - void **p = ptr; - if (min_size < *size) - return; - min_size = FFMAX(17 * min_size / 16 + 32, min_size); - av_free(*p); - *p = av_malloc(min_size); - if (!*p) - min_size = 0; - *size = min_size; -} - void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size) { void **p = ptr; @@ -107,7 +80,7 @@ AVCodec *av_codec_next(const AVCodec *c) return first_avcodec; } -static void avcodec_init(void) +static av_cold void avcodec_init(void) { static int initialized = 0; @@ -115,7 +88,8 @@ static void avcodec_init(void) return; initialized = 1; - ff_dsputil_static_init(); + if (CONFIG_ME_CMP) + ff_me_cmp_init_static(); } int av_codec_is_encoder(const AVCodec *codec) @@ -128,12 +102,12 @@ int av_codec_is_decoder(const AVCodec *codec) return codec && codec->decode; } -void avcodec_register(AVCodec *codec) +av_cold void avcodec_register(AVCodec *codec) { AVCodec **p; avcodec_init(); p = &first_avcodec; - while (*p != NULL) + while (*p) p = &(*p)->next; *p = codec; codec->next = NULL; @@ -142,22 +116,68 @@ void avcodec_register(AVCodec *codec) codec->init_static_data(codec); } +#if FF_API_EMU_EDGE unsigned avcodec_get_edge_width(void) { return EDGE_WIDTH; } +#endif +#if FF_API_SET_DIMENSIONS void avcodec_set_dimensions(AVCodecContext *s, int width, int height) { - s->coded_width = width; - s->coded_height = height; - s->width = width; - s->height = height; + ff_set_dimensions(s, width, height); +} +#endif + +int ff_set_dimensions(AVCodecContext *s, int width, int height) +{ + int ret = av_image_check_size(width, height, 0, s); + + if (ret < 0) + width = height = 0; + s->width = s->coded_width = width; + s->height = s->coded_height = height; + + return ret; } -#define INTERNAL_BUFFER_SIZE (32 + 1) +int ff_set_sar(AVCodecContext *avctx, AVRational sar) +{ + int ret = av_image_check_sar(avctx->width, avctx->height, sar); -#if (ARCH_ARM && HAVE_NEON) || ARCH_PPC || HAVE_MMX + if (ret < 0) { + av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n", + sar.num, sar.den); + avctx->sample_aspect_ratio = (AVRational){ 0, 1 }; + return ret; + } else { + avctx->sample_aspect_ratio = sar; + } + return 0; +} + +int ff_side_data_update_matrix_encoding(AVFrame *frame, + enum AVMatrixEncoding matrix_encoding) +{ + AVFrameSideData *side_data; + enum AVMatrixEncoding *data; + + side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_MATRIXENCODING); + if (!side_data) + side_data = av_frame_new_side_data(frame, AV_FRAME_DATA_MATRIXENCODING, + sizeof(enum AVMatrixEncoding)); + + if (!side_data) + return AVERROR(ENOMEM); + + data = (enum AVMatrixEncoding*)side_data->data; + *data = matrix_encoding; + + return 0; +} + +#if HAVE_SIMD_ALIGN_16 # define STRIDE_ALIGN 16 #else # define STRIDE_ALIGN 8 @@ -173,6 +193,7 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, switch (s->pix_fmt) { case AV_PIX_FMT_YUV420P: case AV_PIX_FMT_YUYV422: + case AV_PIX_FMT_YVYU422: case AV_PIX_FMT_UYVY422: case AV_PIX_FMT_YUV422P: case AV_PIX_FMT_YUV440P: @@ -196,10 +217,14 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, case AV_PIX_FMT_YUV422P9BE: case AV_PIX_FMT_YUV422P10LE: case AV_PIX_FMT_YUV422P10BE: + case AV_PIX_FMT_YUVA422P10LE: + case AV_PIX_FMT_YUVA422P10BE: case AV_PIX_FMT_YUV444P9LE: case AV_PIX_FMT_YUV444P9BE: case AV_PIX_FMT_YUV444P10LE: case AV_PIX_FMT_YUV444P10BE: + case AV_PIX_FMT_YUVA444P10LE: + case AV_PIX_FMT_YUVA444P10BE: case AV_PIX_FMT_GBRP9LE: case AV_PIX_FMT_GBRP9BE: case AV_PIX_FMT_GBRP10LE: @@ -304,104 +329,39 @@ int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels, return ret; } -static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame) +static int update_frame_pool(AVCodecContext *avctx, AVFrame *frame) { - AVCodecInternal *avci = avctx->internal; - int buf_size, ret; - - av_freep(&avci->audio_data); - buf_size = av_samples_get_buffer_size(NULL, avctx->channels, - frame->nb_samples, avctx->sample_fmt, - 0); - if (buf_size < 0) - return AVERROR(EINVAL); - - frame->data[0] = av_mallocz(buf_size); - if (!frame->data[0]) - return AVERROR(ENOMEM); - - ret = avcodec_fill_audio_frame(frame, avctx->channels, avctx->sample_fmt, - frame->data[0], buf_size, 0); - if (ret < 0) { - av_freep(&frame->data[0]); - return ret; - } - - avci->audio_data = frame->data[0]; - if (avctx->debug & FF_DEBUG_BUFFERS) - av_log(avctx, AV_LOG_DEBUG, "default_get_buffer called on frame %p, " - "internal audio buffer used\n", frame); - - return 0; -} - -static int video_get_buffer(AVCodecContext *s, AVFrame *pic) -{ - int i; - int w = s->width; - int h = s->height; - InternalBuffer *buf; - AVCodecInternal *avci = s->internal; - - if (pic->data[0] != NULL) { - av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n"); - return -1; - } - if (avci->buffer_count >= INTERNAL_BUFFER_SIZE) { - av_log(s, AV_LOG_ERROR, "buffer_count overflow (missing release_buffer?)\n"); - return -1; - } - - if (av_image_check_size(w, h, 0, s)) - return -1; + FramePool *pool = avctx->internal->pool; + int i, ret; - if (!avci->buffer) { - avci->buffer = av_mallocz((INTERNAL_BUFFER_SIZE + 1) * - sizeof(InternalBuffer)); - } - - buf = &avci->buffer[avci->buffer_count]; - - if (buf->base[0] && (buf->width != w || buf->height != h || buf->pix_fmt != s->pix_fmt)) { - for (i = 0; i < AV_NUM_DATA_POINTERS; i++) { - av_freep(&buf->base[i]); - buf->data[i] = NULL; - } - } - - if (!buf->base[0]) { - int h_chroma_shift, v_chroma_shift; - int size[4] = { 0 }; - int tmpsize; - int unaligned; + switch (avctx->codec_type) { + case AVMEDIA_TYPE_VIDEO: { AVPicture picture; - int stride_align[AV_NUM_DATA_POINTERS]; - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt); - const int pixel_size = desc->comp[0].step_minus1 + 1; - - av_pix_fmt_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, - &v_chroma_shift); + int size[4] = { 0 }; + int w = frame->width; + int h = frame->height; + int tmpsize, unaligned; - avcodec_align_dimensions2(s, &w, &h, stride_align); + if (pool->format == frame->format && + pool->width == frame->width && pool->height == frame->height) + return 0; - if (!(s->flags & CODEC_FLAG_EMU_EDGE)) { - w += EDGE_WIDTH * 2; - h += EDGE_WIDTH * 2; - } + avcodec_align_dimensions2(avctx, &w, &h, pool->stride_align); do { // NOTE: do not align linesizes individually, this breaks e.g. assumptions // that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2 - av_image_fill_linesizes(picture.linesize, s->pix_fmt, w); + av_image_fill_linesizes(picture.linesize, avctx->pix_fmt, w); // increase alignment of w for next try (rhs gives the lowest bit set in w) w += w & ~(w - 1); unaligned = 0; for (i = 0; i < 4; i++) - unaligned |= picture.linesize[i] % stride_align[i]; + unaligned |= picture.linesize[i] % pool->stride_align[i]; } while (unaligned); - tmpsize = av_image_fill_pointers(picture.data, s->pix_fmt, h, NULL, picture.linesize); + tmpsize = av_image_fill_pointers(picture.data, avctx->pix_fmt, h, + NULL, picture.linesize); if (tmpsize < 0) return -1; @@ -409,54 +369,156 @@ static int video_get_buffer(AVCodecContext *s, AVFrame *pic) size[i] = picture.data[i + 1] - picture.data[i]; size[i] = tmpsize - (picture.data[i] - picture.data[0]); - memset(buf->base, 0, sizeof(buf->base)); - memset(buf->data, 0, sizeof(buf->data)); + for (i = 0; i < 4; i++) { + av_buffer_pool_uninit(&pool->pools[i]); + pool->linesize[i] = picture.linesize[i]; + if (size[i]) { + pool->pools[i] = av_buffer_pool_init(size[i] + 16, NULL); + if (!pool->pools[i]) { + ret = AVERROR(ENOMEM); + goto fail; + } + } + } + pool->format = frame->format; + pool->width = frame->width; + pool->height = frame->height; + + break; + } + case AVMEDIA_TYPE_AUDIO: { + int ch = av_get_channel_layout_nb_channels(frame->channel_layout); + int planar = av_sample_fmt_is_planar(frame->format); + int planes = planar ? ch : 1; + + if (pool->format == frame->format && pool->planes == planes && + pool->channels == ch && frame->nb_samples == pool->samples) + return 0; + + av_buffer_pool_uninit(&pool->pools[0]); + ret = av_samples_get_buffer_size(&pool->linesize[0], ch, + frame->nb_samples, frame->format, 0); + if (ret < 0) + goto fail; + + pool->pools[0] = av_buffer_pool_init(pool->linesize[0], NULL); + if (!pool->pools[0]) { + ret = AVERROR(ENOMEM); + goto fail; + } - for (i = 0; i < 4 && size[i]; i++) { - const int h_shift = i == 0 ? 0 : h_chroma_shift; - const int v_shift = i == 0 ? 0 : v_chroma_shift; + pool->format = frame->format; + pool->planes = planes; + pool->channels = ch; + pool->samples = frame->nb_samples; + break; + } + default: av_assert0(0); + } + return 0; +fail: + for (i = 0; i < 4; i++) + av_buffer_pool_uninit(&pool->pools[i]); + pool->format = -1; + pool->planes = pool->channels = pool->samples = 0; + pool->width = pool->height = 0; + return ret; +} - buf->linesize[i] = picture.linesize[i]; +static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame) +{ + FramePool *pool = avctx->internal->pool; + int planes = pool->planes; + int i; - buf->base[i] = av_malloc(size[i] + 16); //FIXME 16 - if (buf->base[i] == NULL) - return -1; + frame->linesize[0] = pool->linesize[0]; - // no edge if EDGE EMU or not planar YUV - if ((s->flags & CODEC_FLAG_EMU_EDGE) || !size[2]) - buf->data[i] = buf->base[i]; - else - buf->data[i] = buf->base[i] + FFALIGN((buf->linesize[i] * EDGE_WIDTH >> v_shift) + (pixel_size * EDGE_WIDTH >> h_shift), stride_align[i]); - } - for (; i < AV_NUM_DATA_POINTERS; i++) { - buf->base[i] = buf->data[i] = NULL; - buf->linesize[i] = 0; + if (planes > AV_NUM_DATA_POINTERS) { + frame->extended_data = av_mallocz(planes * sizeof(*frame->extended_data)); + frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS; + frame->extended_buf = av_mallocz(frame->nb_extended_buf * + sizeof(*frame->extended_buf)); + if (!frame->extended_data || !frame->extended_buf) { + av_freep(&frame->extended_data); + av_freep(&frame->extended_buf); + return AVERROR(ENOMEM); } - if (size[1] && !size[2]) - avpriv_set_systematic_pal2((uint32_t *)buf->data[1], s->pix_fmt); - buf->width = s->width; - buf->height = s->height; - buf->pix_fmt = s->pix_fmt; + } else + frame->extended_data = frame->data; + + for (i = 0; i < FFMIN(planes, AV_NUM_DATA_POINTERS); i++) { + frame->buf[i] = av_buffer_pool_get(pool->pools[0]); + if (!frame->buf[i]) + goto fail; + frame->extended_data[i] = frame->data[i] = frame->buf[i]->data; } + for (i = 0; i < frame->nb_extended_buf; i++) { + frame->extended_buf[i] = av_buffer_pool_get(pool->pools[0]); + if (!frame->extended_buf[i]) + goto fail; + frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data; + } + + if (avctx->debug & FF_DEBUG_BUFFERS) + av_log(avctx, AV_LOG_DEBUG, "default_get_buffer called on frame %p", frame); - for (i = 0; i < AV_NUM_DATA_POINTERS; i++) { - pic->base[i] = buf->base[i]; - pic->data[i] = buf->data[i]; - pic->linesize[i] = buf->linesize[i]; + return 0; +fail: + av_frame_unref(frame); + return AVERROR(ENOMEM); +} + +static int video_get_buffer(AVCodecContext *s, AVFrame *pic) +{ + FramePool *pool = s->internal->pool; + int i; + + if (pic->data[0]) { + av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n"); + return -1; } + + memset(pic->data, 0, sizeof(pic->data)); pic->extended_data = pic->data; - avci->buffer_count++; + + for (i = 0; i < 4 && pool->pools[i]; i++) { + pic->linesize[i] = pool->linesize[i]; + + pic->buf[i] = av_buffer_pool_get(pool->pools[i]); + if (!pic->buf[i]) + goto fail; + + pic->data[i] = pic->buf[i]->data; + } + for (; i < AV_NUM_DATA_POINTERS; i++) { + pic->data[i] = NULL; + pic->linesize[i] = 0; + } + if (pic->data[1] && !pic->data[2]) + avpriv_set_systematic_pal2((uint32_t *)pic->data[1], s->pix_fmt); if (s->debug & FF_DEBUG_BUFFERS) - av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p, %d " - "buffers used\n", pic, avci->buffer_count); + av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p\n", pic); return 0; +fail: + av_frame_unref(pic); + return AVERROR(ENOMEM); } -int avcodec_default_get_buffer(AVCodecContext *avctx, AVFrame *frame) +int avcodec_default_get_buffer2(AVCodecContext *avctx, AVFrame *frame, int flags) { + int ret; + + if ((ret = update_frame_pool(avctx, frame)) < 0) + return ret; + +#if FF_API_GET_BUFFER +FF_DISABLE_DEPRECATION_WARNINGS frame->type = FF_BUFFER_TYPE_INTERNAL; +FF_ENABLE_DEPRECATION_WARNINGS +#endif + switch (avctx->codec_type) { case AVMEDIA_TYPE_VIDEO: return video_get_buffer(avctx, frame); @@ -467,107 +529,326 @@ int avcodec_default_get_buffer(AVCodecContext *avctx, AVFrame *frame) } } -int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame) +#if FF_API_GET_BUFFER +FF_DISABLE_DEPRECATION_WARNINGS +int avcodec_default_get_buffer(AVCodecContext *avctx, AVFrame *frame) +{ + return avcodec_default_get_buffer2(avctx, frame, 0); +} + +typedef struct CompatReleaseBufPriv { + AVCodecContext avctx; + AVFrame frame; +} CompatReleaseBufPriv; + +static void compat_free_buffer(void *opaque, uint8_t *data) +{ + CompatReleaseBufPriv *priv = opaque; + if (priv->avctx.release_buffer) + priv->avctx.release_buffer(&priv->avctx, &priv->frame); + av_freep(&priv); +} + +static void compat_release_buffer(void *opaque, uint8_t *data) +{ + AVBufferRef *buf = opaque; + av_buffer_unref(&buf); +} +FF_ENABLE_DEPRECATION_WARNINGS +#endif + +int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame) +{ + AVPacket *pkt = avctx->internal->pkt; + uint8_t *packet_sd; + int size; + AVFrameSideData *frame_sd; + + frame->color_primaries = avctx->color_primaries; + frame->color_trc = avctx->color_trc; + frame->colorspace = avctx->colorspace; + frame->color_range = avctx->color_range; + frame->chroma_location = avctx->chroma_sample_location; + + frame->reordered_opaque = avctx->reordered_opaque; + if (!pkt) { + frame->pkt_pts = AV_NOPTS_VALUE; + return 0; + } + + frame->pkt_pts = pkt->pts; + + /* copy the replaygain data to the output frame */ + packet_sd = av_packet_get_side_data(pkt, AV_PKT_DATA_REPLAYGAIN, &size); + if (packet_sd) { + frame_sd = av_frame_new_side_data(frame, AV_FRAME_DATA_REPLAYGAIN, size); + if (!frame_sd) + return AVERROR(ENOMEM); + + memcpy(frame_sd->data, packet_sd, size); + } + /* copy the displaymatrix to the output frame */ + packet_sd = av_packet_get_side_data(pkt, AV_PKT_DATA_DISPLAYMATRIX, &size); + if (packet_sd) { + frame_sd = av_frame_new_side_data(frame, AV_FRAME_DATA_DISPLAYMATRIX, size); + if (!frame_sd) + return AVERROR(ENOMEM); + + memcpy(frame_sd->data, packet_sd, size); + } + /* copy the stereo3d format to the output frame */ + packet_sd = av_packet_get_side_data(pkt, AV_PKT_DATA_STEREO3D, &size); + if (packet_sd) { + frame_sd = av_frame_new_side_data(frame, AV_FRAME_DATA_STEREO3D, size); + if (!frame_sd) + return AVERROR(ENOMEM); + + memcpy(frame_sd->data, packet_sd, size); + } + + return 0; +} + +int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags) { + const AVHWAccel *hwaccel = avctx->hwaccel; + int override_dimensions = 1; + int ret; + switch (avctx->codec_type) { case AVMEDIA_TYPE_VIDEO: - frame->width = avctx->width; - frame->height = avctx->height; - frame->format = avctx->pix_fmt; - frame->sample_aspect_ratio = avctx->sample_aspect_ratio; + if (frame->width <= 0 || frame->height <= 0) { + frame->width = FFMAX(avctx->width, avctx->coded_width); + frame->height = FFMAX(avctx->height, avctx->coded_height); + override_dimensions = 0; + } + if (frame->format < 0) + frame->format = avctx->pix_fmt; + if (!frame->sample_aspect_ratio.num) + frame->sample_aspect_ratio = avctx->sample_aspect_ratio; + + if (av_image_check_sar(frame->width, frame->height, + frame->sample_aspect_ratio) < 0) { + av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n", + frame->sample_aspect_ratio.num, + frame->sample_aspect_ratio.den); + frame->sample_aspect_ratio = (AVRational){ 0, 1 }; + } + + if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0) + return ret; break; case AVMEDIA_TYPE_AUDIO: - frame->sample_rate = avctx->sample_rate; - frame->format = avctx->sample_fmt; - frame->channel_layout = avctx->channel_layout; + if (!frame->sample_rate) + frame->sample_rate = avctx->sample_rate; + if (frame->format < 0) + frame->format = avctx->sample_fmt; + if (!frame->channel_layout) { + if (avctx->channel_layout) { + if (av_get_channel_layout_nb_channels(avctx->channel_layout) != + avctx->channels) { + av_log(avctx, AV_LOG_ERROR, "Inconsistent channel " + "configuration.\n"); + return AVERROR(EINVAL); + } + + frame->channel_layout = avctx->channel_layout; + } else { + if (avctx->channels > FF_SANE_NB_CHANNELS) { + av_log(avctx, AV_LOG_ERROR, "Too many channels: %d.\n", + avctx->channels); + return AVERROR(ENOSYS); + } + + frame->channel_layout = av_get_default_channel_layout(avctx->channels); + if (!frame->channel_layout) + frame->channel_layout = (1ULL << avctx->channels) - 1; + } + } break; default: return AVERROR(EINVAL); } - frame->pkt_pts = avctx->pkt ? avctx->pkt->pts : AV_NOPTS_VALUE; - frame->reordered_opaque = avctx->reordered_opaque; + ret = ff_decode_frame_props(avctx, frame); + if (ret < 0) + return ret; - return avctx->get_buffer(avctx, frame); -} + if (hwaccel && hwaccel->alloc_frame) { + ret = hwaccel->alloc_frame(avctx, frame); + goto end; + } -void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic) -{ - int i; - InternalBuffer *buf, *last; - AVCodecInternal *avci = s->internal; +#if FF_API_GET_BUFFER +FF_DISABLE_DEPRECATION_WARNINGS + /* + * Wrap an old get_buffer()-allocated buffer in an bunch of AVBuffers. + * We wrap each plane in its own AVBuffer. Each of those has a reference to + * a dummy AVBuffer as its private data, unreffing it on free. + * When all the planes are freed, the dummy buffer's free callback calls + * release_buffer(). + */ + if (avctx->get_buffer) { + CompatReleaseBufPriv *priv = NULL; + AVBufferRef *dummy_buf = NULL; + int planes, i, ret; - assert(s->codec_type == AVMEDIA_TYPE_VIDEO); + if (flags & AV_GET_BUFFER_FLAG_REF) + frame->reference = 1; - assert(pic->type == FF_BUFFER_TYPE_INTERNAL); - assert(avci->buffer_count); + ret = avctx->get_buffer(avctx, frame); + if (ret < 0) + return ret; - if (avci->buffer) { - buf = NULL; /* avoids warning */ - for (i = 0; i < avci->buffer_count; i++) { //just 3-5 checks so is not worth to optimize - buf = &avci->buffer[i]; - if (buf->data[0] == pic->data[0]) - break; + /* return if the buffers are already set up + * this would happen e.g. when a custom get_buffer() calls + * avcodec_default_get_buffer + */ + if (frame->buf[0]) + return 0; + + priv = av_mallocz(sizeof(*priv)); + if (!priv) { + ret = AVERROR(ENOMEM); + goto fail; } - assert(i < avci->buffer_count); - avci->buffer_count--; - last = &avci->buffer[avci->buffer_count]; + priv->avctx = *avctx; + priv->frame = *frame; + + dummy_buf = av_buffer_create(NULL, 0, compat_free_buffer, priv, 0); + if (!dummy_buf) { + ret = AVERROR(ENOMEM); + goto fail; + } + +#define WRAP_PLANE(ref_out, data, data_size) \ +do { \ + AVBufferRef *dummy_ref = av_buffer_ref(dummy_buf); \ + if (!dummy_ref) { \ + ret = AVERROR(ENOMEM); \ + goto fail; \ + } \ + ref_out = av_buffer_create(data, data_size, compat_release_buffer, \ + dummy_ref, 0); \ + if (!ref_out) { \ + av_frame_unref(frame); \ + ret = AVERROR(ENOMEM); \ + goto fail; \ + } \ +} while (0) + + if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) { + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format); + + planes = av_pix_fmt_count_planes(frame->format); + /* workaround for AVHWAccel plane count of 0, buf[0] is used as + check for allocated buffers: make libavcodec happy */ + if (desc && desc->flags & AV_PIX_FMT_FLAG_HWACCEL) + planes = 1; + if (!desc || planes <= 0) { + ret = AVERROR(EINVAL); + goto fail; + } + + for (i = 0; i < planes; i++) { + int v_shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0; + int plane_size = (frame->height >> v_shift) * frame->linesize[i]; + + WRAP_PLANE(frame->buf[i], frame->data[i], plane_size); + } + } else { + int planar = av_sample_fmt_is_planar(frame->format); + planes = planar ? avctx->channels : 1; + + if (planes > FF_ARRAY_ELEMS(frame->buf)) { + frame->nb_extended_buf = planes - FF_ARRAY_ELEMS(frame->buf); + frame->extended_buf = av_malloc(sizeof(*frame->extended_buf) * + frame->nb_extended_buf); + if (!frame->extended_buf) { + ret = AVERROR(ENOMEM); + goto fail; + } + } + + for (i = 0; i < FFMIN(planes, FF_ARRAY_ELEMS(frame->buf)); i++) + WRAP_PLANE(frame->buf[i], frame->extended_data[i], frame->linesize[0]); + + for (i = 0; i < frame->nb_extended_buf; i++) + WRAP_PLANE(frame->extended_buf[i], + frame->extended_data[i + FF_ARRAY_ELEMS(frame->buf)], + frame->linesize[0]); + } + + av_buffer_unref(&dummy_buf); + + frame->width = avctx->width; + frame->height = avctx->height; + + return 0; - if (buf != last) - FFSWAP(InternalBuffer, *buf, *last); +fail: + avctx->release_buffer(avctx, frame); + av_freep(&priv); + av_buffer_unref(&dummy_buf); + return ret; } +FF_ENABLE_DEPRECATION_WARNINGS +#endif - for (i = 0; i < AV_NUM_DATA_POINTERS; i++) - pic->data[i] = NULL; -// pic->base[i]=NULL; + ret = avctx->get_buffer2(avctx, frame, flags); - if (s->debug & FF_DEBUG_BUFFERS) - av_log(s, AV_LOG_DEBUG, "default_release_buffer called on pic %p, %d " - "buffers used\n", pic, avci->buffer_count); +end: + if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions) { + frame->width = avctx->width; + frame->height = avctx->height; + } + + return ret; } -int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic) +int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame) { - AVFrame temp_pic; - int i; + AVFrame *tmp; + int ret; - assert(s->codec_type == AVMEDIA_TYPE_VIDEO); + av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO); - /* If no picture return a new buffer */ - if (pic->data[0] == NULL) { - /* We will copy from buffer, so must be readable */ - pic->buffer_hints |= FF_BUFFER_HINTS_READABLE; - return ff_get_buffer(s, pic); - } + if (!frame->data[0]) + return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF); - assert(s->pix_fmt == pic->format); + if (av_frame_is_writable(frame)) + return ff_decode_frame_props(avctx, frame); - /* 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; + tmp = av_frame_alloc(); + if (!tmp) + return AVERROR(ENOMEM); + + av_frame_move_ref(tmp, frame); + + ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF); + if (ret < 0) { + av_frame_free(&tmp); + return ret; } - /* - * Not internal type and reget_buffer not overridden, emulate cr buffer - */ - temp_pic = *pic; - for (i = 0; i < AV_NUM_DATA_POINTERS; i++) - pic->data[i] = pic->base[i] = NULL; - pic->opaque = NULL; - /* Allocate new frame */ - if (ff_get_buffer(s, pic)) - return -1; - /* Copy image data from old buffer to new buffer */ - av_picture_copy((AVPicture *)pic, (AVPicture *)&temp_pic, s->pix_fmt, s->width, - s->height); - s->release_buffer(s, &temp_pic); // Release old frame + av_frame_copy(frame, tmp); + av_frame_free(&tmp); + return 0; } +#if FF_API_GET_BUFFER +void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic) +{ + av_frame_unref(pic); +} + +int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic) +{ + av_assert0(0); + return AVERROR_BUG; +} +#endif + int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size) { int i; @@ -595,16 +876,111 @@ int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, static int is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); - return desc->flags & PIX_FMT_HWACCEL; + return desc->flags & AV_PIX_FMT_FLAG_HWACCEL; +} + +enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum AVPixelFormat *fmt) +{ + while (*fmt != AV_PIX_FMT_NONE && is_hwaccel_pix_fmt(*fmt)) + ++fmt; + return fmt[0]; +} + +static AVHWAccel *find_hwaccel(enum AVCodecID codec_id, + enum AVPixelFormat pix_fmt) +{ + AVHWAccel *hwaccel = NULL; + + while ((hwaccel = av_hwaccel_next(hwaccel))) + if (hwaccel->id == codec_id + && hwaccel->pix_fmt == pix_fmt) + return hwaccel; + return NULL; +} + +static int setup_hwaccel(AVCodecContext *avctx, + const enum AVPixelFormat fmt, + const char *name) +{ + AVHWAccel *hwa = find_hwaccel(avctx->codec_id, fmt); + int ret = 0; + + if (!hwa) { + av_log(avctx, AV_LOG_ERROR, + "Could not find an AVHWAccel for the pixel format: %s", + name); + return AVERROR(ENOENT); + } + + if (hwa->priv_data_size) { + avctx->internal->hwaccel_priv_data = av_mallocz(hwa->priv_data_size); + if (!avctx->internal->hwaccel_priv_data) + return AVERROR(ENOMEM); + } + + if (hwa->init) { + ret = hwa->init(avctx); + if (ret < 0) { + av_freep(&avctx->internal->hwaccel_priv_data); + return ret; + } + } + + avctx->hwaccel = hwa; + + return 0; } -enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum AVPixelFormat *fmt) +int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt) { - while (*fmt != AV_PIX_FMT_NONE && is_hwaccel_pix_fmt(*fmt)) - ++fmt; - return fmt[0]; + const AVPixFmtDescriptor *desc; + enum AVPixelFormat *choices; + enum AVPixelFormat ret; + unsigned n = 0; + + while (fmt[n] != AV_PIX_FMT_NONE) + ++n; + + choices = av_malloc_array(n + 1, sizeof(*choices)); + if (!choices) + return AV_PIX_FMT_NONE; + + memcpy(choices, fmt, (n + 1) * sizeof(*choices)); + + for (;;) { + ret = avctx->get_format(avctx, choices); + + desc = av_pix_fmt_desc_get(ret); + if (!desc) { + ret = AV_PIX_FMT_NONE; + break; + } + + if (avctx->hwaccel && avctx->hwaccel->uninit) + avctx->hwaccel->uninit(avctx); + av_freep(&avctx->internal->hwaccel_priv_data); + avctx->hwaccel = NULL; + + if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL)) + break; + + if (!setup_hwaccel(avctx, ret, desc->name)) + break; + + /* Remove failed hwaccel from choices */ + for (n = 0; choices[n] != ret; n++) + av_assert0(choices[n] != AV_PIX_FMT_NONE); + + do + choices[n] = choices[n + 1]; + while (choices[n++] != AV_PIX_FMT_NONE); + } + + av_freep(&choices); + return ret; } +#if FF_API_AVFRAME_LAVC void avcodec_get_frame_defaults(AVFrame *frame) { if (frame->extended_data != frame->data) @@ -623,28 +999,21 @@ AVFrame *avcodec_alloc_frame(void) { AVFrame *frame = av_mallocz(sizeof(AVFrame)); - if (frame == NULL) + if (!frame) return NULL; +FF_DISABLE_DEPRECATION_WARNINGS avcodec_get_frame_defaults(frame); +FF_ENABLE_DEPRECATION_WARNINGS return frame; } void avcodec_free_frame(AVFrame **frame) { - AVFrame *f; - - if (!frame || !*frame) - return; - - f = *frame; - - if (f->extended_data != f->data) - av_freep(&f->extended_data); - - av_freep(frame); + av_frame_free(frame); } +#endif int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options) { @@ -673,8 +1042,8 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code av_dict_copy(&tmp, *options, 0); /* If there is a user-supplied mutex locking routine, call it. */ - if (ff_lockmgr_cb) { - if ((*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN)) + if (lockmgr_cb) { + if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN)) return -1; } @@ -691,6 +1060,18 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code goto end; } + avctx->internal->pool = av_mallocz(sizeof(*avctx->internal->pool)); + if (!avctx->internal->pool) { + ret = AVERROR(ENOMEM); + goto free_and_end; + } + + avctx->internal->to_free = av_frame_alloc(); + if (!avctx->internal->to_free) { + ret = AVERROR(ENOMEM); + goto free_and_end; + } + if (codec->priv_data_size > 0) { if (!avctx->priv_data) { avctx->priv_data = av_mallocz(codec->priv_data_size); @@ -711,16 +1092,28 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code if ((ret = av_opt_set_dict(avctx, &tmp)) < 0) goto free_and_end; - if (avctx->coded_width && avctx->coded_height) - avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height); + if (avctx->coded_width && avctx->coded_height && !avctx->width && !avctx->height) + ret = ff_set_dimensions(avctx, avctx->coded_width, avctx->coded_height); else if (avctx->width && avctx->height) - avcodec_set_dimensions(avctx, avctx->width, avctx->height); + ret = ff_set_dimensions(avctx, avctx->width, avctx->height); + if (ret < 0) + goto free_and_end; if ((avctx->coded_width || avctx->coded_height || avctx->width || avctx->height) && ( av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx) < 0 || av_image_check_size(avctx->width, avctx->height, 0, avctx) < 0)) { av_log(avctx, AV_LOG_WARNING, "ignoring invalid width/height values\n"); - avcodec_set_dimensions(avctx, 0, 0); + ff_set_dimensions(avctx, 0, 0); + } + + if (avctx->width > 0 && avctx->height > 0) { + if (av_image_check_sar(avctx->width, avctx->height, + avctx->sample_aspect_ratio) < 0) { + av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n", + avctx->sample_aspect_ratio.num, + avctx->sample_aspect_ratio.den); + avctx->sample_aspect_ratio = (AVRational){ 0, 1 }; + } } /* if the decoder init function was already called previously, @@ -759,7 +1152,7 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code avctx->time_base.den = avctx->sample_rate; } - if (HAVE_THREADS && !avctx->thread_opaque) { + if (HAVE_THREADS) { ret = ff_thread_init(avctx); if (ret < 0) { goto free_and_end; @@ -796,6 +1189,11 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code ret = AVERROR(EINVAL); goto free_and_end; } + if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ420P || + avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ422P || + avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ440P || + avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ444P) + avctx->color_range = AVCOL_RANGE_JPEG; } if (avctx->codec->supported_samplerates) { for (i = 0; avctx->codec->supported_samplerates[i] != 0; i++) @@ -842,6 +1240,11 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code } } +#if FF_API_AUDIOENC_DELAY + if (av_codec_is_encoder(avctx->codec)) + avctx->delay = avctx->initial_padding; +#endif + if (av_codec_is_decoder(avctx->codec)) { /* validate channel layout from the decoder */ if (avctx->channel_layout) { @@ -859,13 +1262,18 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code ret = AVERROR(EINVAL); goto free_and_end; } + +#if FF_API_AVCTX_TIMEBASE + if (avctx->framerate.num > 0 && avctx->framerate.den > 0) + avctx->time_base = av_inv_q(avctx->framerate); +#endif } end: entangled_thread_counter--; /* Release any user-supplied mutex. */ - if (ff_lockmgr_cb) { - (*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE); + if (lockmgr_cb) { + (*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE); } if (options) { av_dict_free(options); @@ -876,6 +1284,10 @@ end: free_and_end: av_dict_free(&tmp); av_freep(&avctx->priv_data); + if (avctx->internal) { + av_frame_free(&avctx->internal->to_free); + av_freep(&avctx->internal->pool); + } av_freep(&avctx->internal); avctx->codec = NULL; goto end; @@ -887,13 +1299,23 @@ int ff_alloc_packet(AVPacket *avpkt, int size) return AVERROR(EINVAL); if (avpkt->data) { + AVBufferRef *buf = avpkt->buf; +#if FF_API_DESTRUCT_PACKET +FF_DISABLE_DEPRECATION_WARNINGS void *destruct = avpkt->destruct; +FF_ENABLE_DEPRECATION_WARNINGS +#endif if (avpkt->size < size) return AVERROR(EINVAL); av_init_packet(avpkt); +#if FF_API_DESTRUCT_PACKET +FF_DISABLE_DEPRECATION_WARNINGS avpkt->destruct = destruct; +FF_ENABLE_DEPRECATION_WARNINGS +#endif + avpkt->buf = buf; avpkt->size = size; return 0; } else { @@ -907,26 +1329,22 @@ int ff_alloc_packet(AVPacket *avpkt, int size) static int pad_last_frame(AVCodecContext *s, AVFrame **dst, const AVFrame *src) { AVFrame *frame = NULL; - uint8_t *buf = NULL; int ret; - if (!(frame = avcodec_alloc_frame())) + if (!(frame = av_frame_alloc())) return AVERROR(ENOMEM); - *frame = *src; - if ((ret = av_samples_get_buffer_size(&frame->linesize[0], s->channels, - s->frame_size, s->sample_fmt, 0)) < 0) + frame->format = src->format; + frame->channel_layout = src->channel_layout; + frame->nb_samples = s->frame_size; + ret = av_frame_get_buffer(frame, 32); + if (ret < 0) goto fail; - if (!(buf = av_malloc(ret))) { - ret = AVERROR(ENOMEM); + ret = av_frame_copy_props(frame, src); + if (ret < 0) goto fail; - } - frame->nb_samples = s->frame_size; - if ((ret = avcodec_fill_audio_frame(frame, s->channels, s->sample_fmt, - buf, ret, 0)) < 0) - goto fail; if ((ret = av_samples_copy(frame->extended_data, src->extended_data, 0, 0, src->nb_samples, s->channels, s->sample_fmt)) < 0) goto fail; @@ -940,10 +1358,7 @@ static int pad_last_frame(AVCodecContext *s, AVFrame **dst, const AVFrame *src) return 0; fail: - if (frame->extended_data != frame->data) - av_freep(&frame->extended_data); - av_freep(&buf); - av_freep(&frame); + av_frame_free(&frame); return ret; } @@ -1020,9 +1435,9 @@ int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx, } if (!user_packet && avpkt->size) { - uint8_t *new_data = av_realloc(avpkt->data, avpkt->size); - if (new_data) - avpkt->data = new_data; + ret = av_buffer_realloc(&avpkt->buf, avpkt->size); + if (ret >= 0) + avpkt->data = avpkt->buf->data; } avctx->frame_number++; @@ -1040,133 +1455,15 @@ int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx, avpkt->flags |= AV_PKT_FLAG_KEY; end: - if (padded_frame) { - av_freep(&padded_frame->data[0]); - if (padded_frame->extended_data != padded_frame->data) - av_freep(&padded_frame->extended_data); - av_freep(&padded_frame); - } - - return ret; -} - -#if FF_API_OLD_ENCODE_AUDIO -int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx, - uint8_t *buf, int buf_size, - const short *samples) -{ - AVPacket pkt; - AVFrame frame0 = { { 0 } }; - AVFrame *frame; - int ret, samples_size, got_packet; - - av_init_packet(&pkt); - pkt.data = buf; - pkt.size = buf_size; - - if (samples) { - frame = &frame0; - avcodec_get_frame_defaults(frame); - - if (avctx->frame_size) { - frame->nb_samples = avctx->frame_size; - } else { - /* if frame_size is not set, the number of samples must be - * calculated from the buffer size */ - int64_t nb_samples; - if (!av_get_bits_per_sample(avctx->codec_id)) { - av_log(avctx, AV_LOG_ERROR, "avcodec_encode_audio() does not " - "support this codec\n"); - return AVERROR(EINVAL); - } - nb_samples = (int64_t)buf_size * 8 / - (av_get_bits_per_sample(avctx->codec_id) * - avctx->channels); - if (nb_samples >= INT_MAX) - return AVERROR(EINVAL); - frame->nb_samples = nb_samples; - } - - /* it is assumed that the samples buffer is large enough based on the - * relevant parameters */ - samples_size = av_samples_get_buffer_size(NULL, avctx->channels, - frame->nb_samples, - avctx->sample_fmt, 1); - if ((ret = avcodec_fill_audio_frame(frame, avctx->channels, - avctx->sample_fmt, - (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); - avctx->internal->sample_count += frame->nb_samples; - } else { - frame = NULL; - } - - got_packet = 0; - ret = avcodec_encode_audio2(avctx, &pkt, frame, &got_packet); - if (!ret && got_packet && avctx->coded_frame) { - avctx->coded_frame->pts = pkt.pts; - 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; - } - - if (frame && frame->extended_data != frame->data) - av_free(frame->extended_data); - - return ret ? ret : pkt.size; -} + av_frame_free(&padded_frame); +#if FF_API_AUDIOENC_DELAY + avctx->delay = avctx->initial_padding; #endif -#if FF_API_OLD_ENCODE_VIDEO -int attribute_align_arg avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size, - const AVFrame *pict) -{ - AVPacket pkt; - int ret, got_packet = 0; - - if (buf_size < FF_MIN_BUFFER_SIZE) { - av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n"); - return -1; - } - - av_init_packet(&pkt); - pkt.data = buf; - pkt.size = buf_size; - - ret = avcodec_encode_video2(avctx, &pkt, pict, &got_packet); - if (!ret && got_packet && avctx->coded_frame) { - avctx->coded_frame->pts = pkt.pts; - 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; - } - - return ret ? ret : pkt.size; + return ret; } -#endif - int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, @@ -1197,9 +1494,9 @@ int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx, avpkt->pts = avpkt->dts = frame->pts; if (!user_packet && avpkt->size) { - uint8_t *new_data = av_realloc(avpkt->data, avpkt->size); - if (new_data) - avpkt->data = new_data; + ret = av_buffer_realloc(&avpkt->buf, avpkt->size); + if (ret >= 0) + avpkt->data = avpkt->buf->data; } avctx->frame_number++; @@ -1227,62 +1524,128 @@ int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size, return ret; } -static void apply_param_change(AVCodecContext *avctx, AVPacket *avpkt) +static int apply_param_change(AVCodecContext *avctx, AVPacket *avpkt) { - int size = 0; + int size = 0, ret; const uint8_t *data; uint32_t flags; - if (!(avctx->codec->capabilities & CODEC_CAP_PARAM_CHANGE)) - return; - data = av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, &size); - if (!data || size < 4) - return; + if (!data) + return 0; + + if (!(avctx->codec->capabilities & CODEC_CAP_PARAM_CHANGE)) { + av_log(avctx, AV_LOG_ERROR, "This decoder does not support parameter " + "changes, but PARAM_CHANGE side data was sent to it.\n"); + return AVERROR(EINVAL); + } + + if (size < 4) + goto fail; + flags = bytestream_get_le32(&data); size -= 4; - if (size < 4) /* Required for any of the changes */ - return; + if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) { + if (size < 4) + goto fail; avctx->channels = bytestream_get_le32(&data); size -= 4; } if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) { if (size < 8) - return; + goto fail; avctx->channel_layout = bytestream_get_le64(&data); size -= 8; } - if (size < 4) - return; if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) { + if (size < 4) + goto fail; avctx->sample_rate = bytestream_get_le32(&data); size -= 4; } if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) { if (size < 8) - return; + goto fail; avctx->width = bytestream_get_le32(&data); avctx->height = bytestream_get_le32(&data); - avcodec_set_dimensions(avctx, avctx->width, avctx->height); size -= 8; + ret = ff_set_dimensions(avctx, avctx->width, avctx->height); + if (ret < 0) + return ret; } + + return 0; +fail: + av_log(avctx, AV_LOG_ERROR, "PARAM_CHANGE side data too small.\n"); + return AVERROR_INVALIDDATA; +} + +static int unrefcount_frame(AVCodecInternal *avci, AVFrame *frame) +{ + int ret; + + /* move the original frame to our backup */ + av_frame_unref(avci->to_free); + av_frame_move_ref(avci->to_free, frame); + + /* now copy everything except the AVBufferRefs back + * note that we make a COPY of the side data, so calling av_frame_free() on + * the caller's frame will work properly */ + ret = av_frame_copy_props(frame, avci->to_free); + if (ret < 0) + return ret; + + memcpy(frame->data, avci->to_free->data, sizeof(frame->data)); + memcpy(frame->linesize, avci->to_free->linesize, sizeof(frame->linesize)); + if (avci->to_free->extended_data != avci->to_free->data) { + int planes = av_get_channel_layout_nb_channels(avci->to_free->channel_layout); + int size = planes * sizeof(*frame->extended_data); + + if (!size) { + av_frame_unref(frame); + return AVERROR_BUG; + } + + frame->extended_data = av_malloc(size); + if (!frame->extended_data) { + av_frame_unref(frame); + return AVERROR(ENOMEM); + } + memcpy(frame->extended_data, avci->to_free->extended_data, + size); + } else + frame->extended_data = frame->data; + + frame->format = avci->to_free->format; + frame->width = avci->to_free->width; + frame->height = avci->to_free->height; + frame->channel_layout = avci->to_free->channel_layout; + frame->nb_samples = avci->to_free->nb_samples; + + return 0; } int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture, int *got_picture_ptr, AVPacket *avpkt) { + AVCodecInternal *avci = avctx->internal; int ret; *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); + avctx->internal->pkt = avpkt; + ret = apply_param_change(avctx, avpkt); + if (ret < 0) { + av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n"); + if (avctx->err_recognition & AV_EF_EXPLODE) + return ret; + } - avcodec_get_frame_defaults(picture); + av_frame_unref(picture); if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type & FF_THREAD_FRAME)) { if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME) @@ -1303,86 +1666,52 @@ int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *pi emms_c(); //needed to avoid an emms_c() call before every return; - if (*got_picture_ptr) + if (*got_picture_ptr) { + if (!avctx->refcounted_frames) { + int err = unrefcount_frame(avci, picture); + if (err < 0) + return err; + } + avctx->frame_number++; + } else + av_frame_unref(picture); } else ret = 0; - /* many decoders assign whole AVFrames, thus overwriting extended_data; - * make sure it's set correctly */ - picture->extended_data = picture->data; - - return ret; -} - -#if FF_API_OLD_DECODE_AUDIO -int attribute_align_arg avcodec_decode_audio3(AVCodecContext *avctx, int16_t *samples, - int *frame_size_ptr, - AVPacket *avpkt) -{ - AVFrame frame = { { 0 } }; - int ret, got_frame = 0; - - if (avctx->get_buffer != avcodec_default_get_buffer) { - av_log(avctx, AV_LOG_ERROR, "Custom get_buffer() for use with" - "avcodec_decode_audio3() detected. Overriding with avcodec_default_get_buffer\n"); - av_log(avctx, AV_LOG_ERROR, "Please port your application to " - "avcodec_decode_audio4()\n"); - avctx->get_buffer = avcodec_default_get_buffer; - } - - ret = avcodec_decode_audio4(avctx, &frame, &got_frame, avpkt); - - if (ret >= 0 && got_frame) { - int ch, plane_size; - int planar = av_sample_fmt_is_planar(avctx->sample_fmt); - int data_size = av_samples_get_buffer_size(&plane_size, avctx->channels, - frame.nb_samples, - avctx->sample_fmt, 1); - if (*frame_size_ptr < data_size) { - av_log(avctx, AV_LOG_ERROR, "output buffer size is too small for " - "the current frame (%d < %d)\n", *frame_size_ptr, data_size); - return AVERROR(EINVAL); - } - - memcpy(samples, frame.extended_data[0], plane_size); +#if FF_API_AVCTX_TIMEBASE + if (avctx->framerate.num > 0 && avctx->framerate.den > 0) + avctx->time_base = av_inv_q(avctx->framerate); +#endif - if (planar && avctx->channels > 1) { - uint8_t *out = ((uint8_t *)samples) + plane_size; - for (ch = 1; ch < avctx->channels; ch++) { - memcpy(out, frame.extended_data[ch], plane_size); - out += plane_size; - } - } - *frame_size_ptr = data_size; - } else { - *frame_size_ptr = 0; - } return ret; } -#endif - int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx, AVFrame *frame, int *got_frame_ptr, AVPacket *avpkt) { - int planar, channels; + AVCodecInternal *avci = avctx->internal; int ret = 0; *got_frame_ptr = 0; - avctx->pkt = avpkt; + avctx->internal->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); + ret = apply_param_change(avctx, avpkt); + if (ret < 0) { + av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n"); + if (avctx->err_recognition & AV_EF_EXPLODE) + return ret; + } - avcodec_get_frame_defaults(frame); + av_frame_unref(frame); if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size) { ret = avctx->codec->decode(avctx, frame, got_frame_ptr, avpkt); @@ -1391,16 +1720,16 @@ int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx, frame->pkt_dts = avpkt->dts; if (frame->format == AV_SAMPLE_FMT_NONE) frame->format = avctx->sample_fmt; - } + + if (!avctx->refcounted_frames) { + int err = unrefcount_frame(avci, frame); + if (err < 0) + return err; + } + } else + av_frame_unref(frame); } - /* many decoders assign whole AVFrames, thus overwriting extended_data; - * make sure it's set correctly; assume decoders that actually use - * extended_data are doing it correctly */ - planar = av_sample_fmt_is_planar(frame->format); - channels = av_get_channel_layout_nb_channels(frame->channel_layout); - if (!(planar && channels > AV_NUM_DATA_POINTERS)) - frame->extended_data = frame->data; return ret; } @@ -1411,7 +1740,7 @@ int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub, { int ret; - avctx->pkt = avpkt; + avctx->internal->pkt = avpkt; *got_sub_ptr = 0; ret = avctx->codec->decode(avctx, sub, got_sub_ptr, avpkt); if (*got_sub_ptr) @@ -1440,26 +1769,23 @@ void avsubtitle_free(AVSubtitle *sub) av_cold int avcodec_close(AVCodecContext *avctx) { - /* If there is a user-supplied mutex locking routine, call it. */ - if (ff_lockmgr_cb) { - if ((*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN)) - return -1; - } - - entangled_thread_counter++; - if (entangled_thread_counter != 1) { - av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n"); - entangled_thread_counter--; - return -1; - } - if (avcodec_is_open(avctx)) { - if (HAVE_THREADS && avctx->thread_opaque) + FramePool *pool = avctx->internal->pool; + int i; + if (HAVE_THREADS && avctx->internal->thread_ctx) ff_thread_free(avctx); if (avctx->codec && avctx->codec->close) avctx->codec->close(avctx); - avcodec_default_free_buffers(avctx); avctx->coded_frame = NULL; + av_frame_free(&avctx->internal->to_free); + for (i = 0; i < FF_ARRAY_ELEMS(pool->pools); i++) + av_buffer_pool_uninit(&pool->pools[i]); + av_freep(&avctx->internal->pool); + + if (avctx->hwaccel && avctx->hwaccel->uninit) + avctx->hwaccel->uninit(avctx); + av_freep(&avctx->internal->hwaccel_priv_data); + av_freep(&avctx->internal); } @@ -1471,12 +1797,7 @@ av_cold int avcodec_close(AVCodecContext *avctx) av_freep(&avctx->extradata); avctx->codec = NULL; avctx->active_thread_type = 0; - entangled_thread_counter--; - /* Release any user-supplied mutex. */ - if (ff_lockmgr_cb) { - (*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE); - } return 0; } @@ -1585,6 +1906,7 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) const AVCodec *p; char buf1[32]; int bitrate; + int new_line = 0; AVRational display_aspect_ratio; if (enc->codec) @@ -1601,8 +1923,6 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) /* 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 */ char tag_buf[32]; @@ -1619,15 +1939,48 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) if (profile) snprintf(buf + strlen(buf), buf_size - strlen(buf), " (%s)", profile); - if (enc->pix_fmt != AV_PIX_FMT_NONE) { + if (enc->codec_tag) { + char tag_buf[32]; + av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag); snprintf(buf + strlen(buf), buf_size - strlen(buf), - ", %s", + " [%s / 0x%04X]", tag_buf, enc->codec_tag); + } + + av_strlcat(buf, "\n ", buf_size); + snprintf(buf + strlen(buf), buf_size - strlen(buf), + "%s", enc->pix_fmt == AV_PIX_FMT_NONE ? "none" : av_get_pix_fmt_name(enc->pix_fmt)); + + if (enc->color_range != AVCOL_RANGE_UNSPECIFIED) + snprintf(buf + strlen(buf), buf_size - strlen(buf), ", %s", + av_color_range_name(enc->color_range)); + if (enc->colorspace != AVCOL_SPC_UNSPECIFIED || + enc->color_primaries != AVCOL_PRI_UNSPECIFIED || + enc->color_trc != AVCOL_TRC_UNSPECIFIED) { + new_line = 1; + snprintf(buf + strlen(buf), buf_size - strlen(buf), ", %s/%s/%s", + av_color_space_name(enc->colorspace), + av_color_primaries_name(enc->color_primaries), + av_color_transfer_name(enc->color_trc)); } + if (av_log_get_level() >= AV_LOG_DEBUG && + enc->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) + snprintf(buf + strlen(buf), buf_size - strlen(buf), ", %s", + av_chroma_location_name(enc->chroma_sample_location)); + if (enc->width) { + av_strlcat(buf, new_line ? "\n " : ", ", buf_size); + snprintf(buf + strlen(buf), buf_size - strlen(buf), - ", %dx%d", + "%dx%d", enc->width, enc->height); + + if (av_log_get_level() >= AV_LOG_VERBOSE && + (enc->width != enc->coded_width || + enc->height != enc->coded_height)) + snprintf(buf + strlen(buf), buf_size - strlen(buf), + " (%dx%d)", enc->coded_width, enc->coded_height); + if (enc->sample_aspect_ratio.num) { av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den, enc->width * enc->sample_aspect_ratio.num, @@ -1657,11 +2010,18 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) 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(buf + strlen(buf), buf_size - strlen(buf), + " [%s / 0x%04X]", tag_buf, enc->codec_tag); + } + + av_strlcat(buf, "\n ", buf_size); if (enc->sample_rate) { snprintf(buf + strlen(buf), buf_size - strlen(buf), - ", %d Hz", enc->sample_rate); + "%d Hz, ", enc->sample_rate); } - av_strlcat(buf, ", ", buf_size); av_get_channel_layout_string(buf + strlen(buf), buf_size - strlen(buf), enc->channels, enc->channel_layout); if (enc->sample_fmt != AV_SAMPLE_FMT_NONE) { snprintf(buf + strlen(buf), buf_size - strlen(buf), @@ -1731,49 +2091,9 @@ void avcodec_flush_buffers(AVCodecContext *avctx) ff_thread_flush(avctx); else if (avctx->codec->flush) avctx->codec->flush(avctx); -} - -static void video_free_buffers(AVCodecContext *s) -{ - AVCodecInternal *avci = s->internal; - int i, j; - if (!avci->buffer) - return; - - if (avci->buffer_count) - av_log(s, AV_LOG_WARNING, "Found %i unreleased buffers!\n", - avci->buffer_count); - for (i = 0; i < INTERNAL_BUFFER_SIZE; i++) { - InternalBuffer *buf = &avci->buffer[i]; - for (j = 0; j < 4; j++) { - av_freep(&buf->base[j]); - buf->data[j] = NULL; - } - } - av_freep(&avci->buffer); - - avci->buffer_count = 0; -} - -static void audio_free_buffers(AVCodecContext *avctx) -{ - AVCodecInternal *avci = avctx->internal; - av_freep(&avci->audio_data); -} - -void avcodec_default_free_buffers(AVCodecContext *avctx) -{ - switch (avctx->codec_type) { - case AVMEDIA_TYPE_VIDEO: - video_free_buffers(avctx); - break; - case AVMEDIA_TYPE_AUDIO: - audio_free_buffers(avctx); - break; - default: - break; - } + if (!avctx->refcounted_frames) + av_frame_unref(avctx->internal->to_free); } int av_get_exact_bits_per_sample(enum AVCodecID codec_id) @@ -1801,11 +2121,13 @@ int av_get_exact_bits_per_sample(enum AVCodecID codec_id) case AV_CODEC_ID_PCM_S24DAUD: case AV_CODEC_ID_PCM_S24BE: case AV_CODEC_ID_PCM_S24LE: + case AV_CODEC_ID_PCM_S24LE_PLANAR: case AV_CODEC_ID_PCM_U24BE: case AV_CODEC_ID_PCM_U24LE: return 24; case AV_CODEC_ID_PCM_S32BE: case AV_CODEC_ID_PCM_S32LE: + case AV_CODEC_ID_PCM_S32LE_PLANAR: case AV_CODEC_ID_PCM_U32BE: case AV_CODEC_ID_PCM_U32LE: case AV_CODEC_ID_PCM_F32BE: @@ -2013,6 +2335,8 @@ int ff_match_2uint16(const uint16_t(*tab)[2], int size, int a, int b) return i; } +#if FF_API_MISSING_SAMPLE +FF_DISABLE_DEPRECATION_WARNINGS void av_log_missing_feature(void *avc, const char *feature, int want_sample) { av_log(avc, AV_LOG_WARNING, "%s is not implemented. Update your Libav " @@ -2037,6 +2361,8 @@ void av_log_ask_for_sample(void *avc, const char *msg, ...) va_end(argument_list); } +FF_ENABLE_DEPRECATION_WARNINGS +#endif /* FF_API_MISSING_SAMPLE */ static AVHWAccel *first_hwaccel = NULL; @@ -2049,46 +2375,47 @@ void av_register_hwaccel(AVHWAccel *hwaccel) hwaccel->next = NULL; } -AVHWAccel *av_hwaccel_next(AVHWAccel *hwaccel) +AVHWAccel *av_hwaccel_next(const AVHWAccel *hwaccel) { return hwaccel ? hwaccel->next : first_hwaccel; } -AVHWAccel *ff_find_hwaccel(enum AVCodecID codec_id, enum AVPixelFormat pix_fmt) -{ - AVHWAccel *hwaccel = NULL; - - while ((hwaccel = av_hwaccel_next(hwaccel))) - if (hwaccel->id == codec_id - && hwaccel->pix_fmt == pix_fmt) - return hwaccel; - return NULL; -} - int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op)) { - if (ff_lockmgr_cb) { - if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY)) - return -1; - if (ff_lockmgr_cb(&avformat_mutex, AV_LOCK_DESTROY)) - return -1; + if (lockmgr_cb) { + // There is no good way to rollback a failure to destroy the + // mutex, so we ignore failures. + lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY); + lockmgr_cb(&avformat_mutex, AV_LOCK_DESTROY); + lockmgr_cb = NULL; + codec_mutex = NULL; + avformat_mutex = NULL; + } + + if (cb) { + void *new_codec_mutex = NULL; + void *new_avformat_mutex = NULL; + int err; + if (err = cb(&new_codec_mutex, AV_LOCK_CREATE)) { + return err > 0 ? AVERROR_UNKNOWN : err; + } + if (err = cb(&new_avformat_mutex, AV_LOCK_CREATE)) { + // Ignore failures to destroy the newly created mutex. + cb(&new_codec_mutex, AV_LOCK_DESTROY); + return err > 0 ? AVERROR_UNKNOWN : err; + } + lockmgr_cb = cb; + codec_mutex = new_codec_mutex; + avformat_mutex = new_avformat_mutex; } - ff_lockmgr_cb = cb; - - if (ff_lockmgr_cb) { - if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_CREATE)) - return -1; - if (ff_lockmgr_cb(&avformat_mutex, AV_LOCK_CREATE)) - return -1; - } return 0; } int avpriv_lock_avformat(void) { - if (ff_lockmgr_cb) { - if ((*ff_lockmgr_cb)(&avformat_mutex, AV_LOCK_OBTAIN)) + if (lockmgr_cb) { + if ((*lockmgr_cb)(&avformat_mutex, AV_LOCK_OBTAIN)) return -1; } return 0; @@ -2096,8 +2423,8 @@ int avpriv_lock_avformat(void) int avpriv_unlock_avformat(void) { - if (ff_lockmgr_cb) { - if ((*ff_lockmgr_cb)(&avformat_mutex, AV_LOCK_RELEASE)) + if (lockmgr_cb) { + if ((*lockmgr_cb)(&avformat_mutex, AV_LOCK_RELEASE)) return -1; } return 0; @@ -2105,34 +2432,54 @@ int avpriv_unlock_avformat(void) unsigned int avpriv_toupper4(unsigned int x) { - return toupper(x & 0xFF) - + (toupper((x >> 8) & 0xFF) << 8) - + (toupper((x >> 16) & 0xFF) << 16) - + (toupper((x >> 24) & 0xFF) << 24); + return av_toupper(x & 0xFF) + + (av_toupper((x >> 8) & 0xFF) << 8) + + (av_toupper((x >> 16) & 0xFF) << 16) + + (av_toupper((x >> 24) & 0xFF) << 24); +} + +int ff_thread_ref_frame(ThreadFrame *dst, ThreadFrame *src) +{ + int ret; + + dst->owner = src->owner; + + ret = av_frame_ref(dst->f, src->f); + if (ret < 0) + return ret; + + if (src->progress && + !(dst->progress = av_buffer_ref(src->progress))) { + ff_thread_release_buffer(dst->owner, dst); + return AVERROR(ENOMEM); + } + + return 0; } #if !HAVE_THREADS -int ff_thread_get_buffer(AVCodecContext *avctx, AVFrame *f) +int ff_thread_get_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags) { f->owner = avctx; - return ff_get_buffer(avctx, f); + return ff_get_buffer(avctx, f->f, flags); } -void ff_thread_release_buffer(AVCodecContext *avctx, AVFrame *f) +void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f) { - f->owner->release_buffer(f->owner, f); + if (f->f) + av_frame_unref(f->f); } void ff_thread_finish_setup(AVCodecContext *avctx) { } -void ff_thread_report_progress(AVFrame *f, int progress, int field) +void ff_thread_report_progress(ThreadFrame *f, int progress, int field) { } -void ff_thread_await_progress(AVFrame *f, int progress, int field) +void ff_thread_await_progress(ThreadFrame *f, int progress, int field) { } @@ -2156,3 +2503,36 @@ int avcodec_is_open(AVCodecContext *s) { return !!s->internal; } + +const uint8_t *avpriv_find_start_code(const uint8_t *restrict p, + const uint8_t *end, + uint32_t * restrict state) +{ + int i; + + assert(p <= end); + if (p >= end) + return end; + + for (i = 0; i < 3; i++) { + uint32_t tmp = *state << 8; + *state = tmp + *(p++); + if (tmp == 0x100 || p == end) + return p; + } + + while (p < end) { + if (p[-1] > 1 ) p += 3; + else if (p[-2] ) p += 2; + else if (p[-3]|(p[-1]-1)) p++; + else { + p++; + break; + } + } + + p = FFMIN(p, end) - 4; + *state = AV_RB32(p); + + return p + 4; +}