chasing indexing error

1 files changed, 0 insertions, 609 deletions

diff --git a/ffmpeg/libavfilter/buffersink.c b/ffmpeg/libavfilter/buffersink.c
deleted file mode 100644
index a6b24ad..0000000
--- a/ffmpeg/libavfilter/buffersink.c
+++ /dev/null
@@ -1,609 +0,0 @@
-/*
- * Copyright (c) 2011 Stefano Sabatini
- *
- * This file is part of FFmpeg.
- *
- * 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.
- *
- * 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 FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file
- * buffer sink
- */
-
-#include "libavutil/audio_fifo.h"
-#include "libavutil/avassert.h"
-#include "libavutil/channel_layout.h"
-#include "libavutil/common.h"
-#include "libavutil/internal.h"
-#include "libavutil/mathematics.h"
-#include "libavutil/opt.h"
-
-#include "audio.h"
-#include "avfilter.h"
-#include "buffersink.h"
-#include "internal.h"
-
-typedef struct {
-    const AVClass *class;
-    AVFifoBuffer *fifo;                      ///< FIFO buffer of video frame references
-    unsigned warning_limit;
-
-    /* only used for video */
-    enum AVPixelFormat *pixel_fmts;           ///< list of accepted pixel formats, must be terminated with -1
-    int pixel_fmts_size;
-
-    /* only used for audio */
-    enum AVSampleFormat *sample_fmts;       ///< list of accepted sample formats, terminated by AV_SAMPLE_FMT_NONE
-    int sample_fmts_size;
-    int64_t *channel_layouts;               ///< list of accepted channel layouts, terminated by -1
-    int channel_layouts_size;
-    int *channel_counts;                    ///< list of accepted channel counts, terminated by -1
-    int channel_counts_size;
-    int all_channel_counts;
-    int *sample_rates;                      ///< list of accepted sample rates, terminated by -1
-    int sample_rates_size;
-
-    /* only used for compat API */
-    AVAudioFifo *audio_fifo;     ///< FIFO for audio samples
-    int64_t next_pts;            ///< interpolating audio pts
-} BufferSinkContext;
-
-#define NB_ITEMS(list) (list ## _size / sizeof(*list))
-
-static av_cold void uninit(AVFilterContext *ctx)
-{
-    BufferSinkContext *sink = ctx->priv;
-    AVFrame *frame;
-
-    if (sink->audio_fifo)
-        av_audio_fifo_free(sink->audio_fifo);
-
-    if (sink->fifo) {
-        while (av_fifo_size(sink->fifo) >= sizeof(AVFilterBufferRef *)) {
-            av_fifo_generic_read(sink->fifo, &frame, sizeof(frame), NULL);
-            av_frame_free(&frame);
-        }
-        av_fifo_free(sink->fifo);
-        sink->fifo = NULL;
-    }
-}
-
-static int add_buffer_ref(AVFilterContext *ctx, AVFrame *ref)
-{
-    BufferSinkContext *buf = ctx->priv;
-
-    if (av_fifo_space(buf->fifo) < sizeof(AVFilterBufferRef *)) {
-        /* realloc fifo size */
-        if (av_fifo_realloc2(buf->fifo, av_fifo_size(buf->fifo) * 2) < 0) {
-            av_log(ctx, AV_LOG_ERROR,
-                   "Cannot buffer more frames. Consume some available frames "
-                   "before adding new ones.\n");
-            return AVERROR(ENOMEM);
-        }
-    }
-
-    /* cache frame */
-    av_fifo_generic_write(buf->fifo, &ref, sizeof(AVFilterBufferRef *), NULL);
-    return 0;
-}
-
-static int filter_frame(AVFilterLink *link, AVFrame *frame)
-{
-    AVFilterContext *ctx = link->dst;
-    BufferSinkContext *buf = link->dst->priv;
-    int ret;
-
-    if ((ret = add_buffer_ref(ctx, frame)) < 0)
-        return ret;
-    if (buf->warning_limit &&
-        av_fifo_size(buf->fifo) / sizeof(AVFilterBufferRef *) >= buf->warning_limit) {
-        av_log(ctx, AV_LOG_WARNING,
-               "%d buffers queued in %s, something may be wrong.\n",
-               buf->warning_limit,
-               (char *)av_x_if_null(ctx->name, ctx->filter->name));
-        buf->warning_limit *= 10;
-    }
-    return 0;
-}
-
-int attribute_align_arg av_buffersink_get_frame(AVFilterContext *ctx, AVFrame *frame)
-{
-    return av_buffersink_get_frame_flags(ctx, frame, 0);
-}
-
-int attribute_align_arg av_buffersink_get_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags)
-{
-    BufferSinkContext *buf = ctx->priv;
-    AVFilterLink *inlink = ctx->inputs[0];
-    int ret;
-    AVFrame *cur_frame;
-
-    /* no picref available, fetch it from the filterchain */
-    if (!av_fifo_size(buf->fifo)) {
-        if (flags & AV_BUFFERSINK_FLAG_NO_REQUEST)
-            return AVERROR(EAGAIN);
-        if ((ret = ff_request_frame(inlink)) < 0)
-            return ret;
-    }
-
-    if (!av_fifo_size(buf->fifo))
-        return AVERROR(EINVAL);
-
-    if (flags & AV_BUFFERSINK_FLAG_PEEK) {
-        cur_frame = *((AVFrame **)av_fifo_peek2(buf->fifo, 0));
-        if ((ret = av_frame_ref(frame, cur_frame)) < 0)
-            return ret;
-    } else {
-        av_fifo_generic_read(buf->fifo, &cur_frame, sizeof(cur_frame), NULL);
-        av_frame_move_ref(frame, cur_frame);
-        av_frame_free(&cur_frame);
-    }
-
-    return 0;
-}
-
-static int read_from_fifo(AVFilterContext *ctx, AVFrame *frame,
-                          int nb_samples)
-{
-    BufferSinkContext *s = ctx->priv;
-    AVFilterLink   *link = ctx->inputs[0];
-    AVFrame *tmp;
-
-    if (!(tmp = ff_get_audio_buffer(link, nb_samples)))
-        return AVERROR(ENOMEM);
-    av_audio_fifo_read(s->audio_fifo, (void**)tmp->extended_data, nb_samples);
-
-    tmp->pts = s->next_pts;
-    if (s->next_pts != AV_NOPTS_VALUE)
-        s->next_pts += av_rescale_q(nb_samples, (AVRational){1, link->sample_rate},
-                                    link->time_base);
-
-    av_frame_move_ref(frame, tmp);
-    av_frame_free(&tmp);
-
-    return 0;
-}
-
-int attribute_align_arg av_buffersink_get_samples(AVFilterContext *ctx,
-                                                  AVFrame *frame, int nb_samples)
-{
-    BufferSinkContext *s = ctx->priv;
-    AVFilterLink   *link = ctx->inputs[0];
-    AVFrame *cur_frame;
-    int ret = 0;
-
-    if (!s->audio_fifo) {
-        int nb_channels = link->channels;
-        if (!(s->audio_fifo = av_audio_fifo_alloc(link->format, nb_channels, nb_samples)))
-            return AVERROR(ENOMEM);
-    }
-
-    while (ret >= 0) {
-        if (av_audio_fifo_size(s->audio_fifo) >= nb_samples)
-            return read_from_fifo(ctx, frame, nb_samples);
-
-        if (!(cur_frame = av_frame_alloc()))
-            return AVERROR(ENOMEM);
-        ret = av_buffersink_get_frame_flags(ctx, cur_frame, 0);
-        if (ret == AVERROR_EOF && av_audio_fifo_size(s->audio_fifo)) {
-            av_frame_free(&cur_frame);
-            return read_from_fifo(ctx, frame, av_audio_fifo_size(s->audio_fifo));
-        } else if (ret < 0) {
-            av_frame_free(&cur_frame);
-            return ret;
-        }
-
-        if (cur_frame->pts != AV_NOPTS_VALUE) {
-            s->next_pts = cur_frame->pts -
-                          av_rescale_q(av_audio_fifo_size(s->audio_fifo),
-                                       (AVRational){ 1, link->sample_rate },
-                                       link->time_base);
-        }
-
-        ret = av_audio_fifo_write(s->audio_fifo, (void**)cur_frame->extended_data,
-                                  cur_frame->nb_samples);
-        av_frame_free(&cur_frame);
-    }
-
-    return ret;
-}
-
-AVBufferSinkParams *av_buffersink_params_alloc(void)
-{
-    static const int pixel_fmts[] = { AV_PIX_FMT_NONE };
-    AVBufferSinkParams *params = av_malloc(sizeof(AVBufferSinkParams));
-    if (!params)
-        return NULL;
-
-    params->pixel_fmts = pixel_fmts;
-    return params;
-}
-
-AVABufferSinkParams *av_abuffersink_params_alloc(void)
-{
-    AVABufferSinkParams *params = av_mallocz(sizeof(AVABufferSinkParams));
-
-    if (!params)
-        return NULL;
-    return params;
-}
-
-#define FIFO_INIT_SIZE 8
-
-static av_cold int common_init(AVFilterContext *ctx)
-{
-    BufferSinkContext *buf = ctx->priv;
-
-    buf->fifo = av_fifo_alloc(FIFO_INIT_SIZE*sizeof(AVFilterBufferRef *));
-    if (!buf->fifo) {
-        av_log(ctx, AV_LOG_ERROR, "Failed to allocate fifo\n");
-        return AVERROR(ENOMEM);
-    }
-    buf->warning_limit = 100;
-    buf->next_pts = AV_NOPTS_VALUE;
-    return 0;
-}
-
-void av_buffersink_set_frame_size(AVFilterContext *ctx, unsigned frame_size)
-{
-    AVFilterLink *inlink = ctx->inputs[0];
-
-    inlink->min_samples = inlink->max_samples =
-    inlink->partial_buf_size = frame_size;
-}
-
-#if FF_API_AVFILTERBUFFER
-FF_DISABLE_DEPRECATION_WARNINGS
-static void compat_free_buffer(AVFilterBuffer *buf)
-{
-    AVFrame *frame = buf->priv;
-    av_frame_free(&frame);
-    av_free(buf);
-}
-
-static int compat_read(AVFilterContext *ctx,
-                       AVFilterBufferRef **pbuf, int nb_samples, int flags)
-{
-    AVFilterBufferRef *buf;
-    AVFrame *frame;
-    int ret;
-
-    if (!pbuf)
-        return ff_poll_frame(ctx->inputs[0]);
-
-    frame = av_frame_alloc();
-    if (!frame)
-        return AVERROR(ENOMEM);
-
-    if (!nb_samples)
-        ret = av_buffersink_get_frame_flags(ctx, frame, flags);
-    else
-        ret = av_buffersink_get_samples(ctx, frame, nb_samples);
-
-    if (ret < 0)
-        goto fail;
-
-    AV_NOWARN_DEPRECATED(
-    if (ctx->inputs[0]->type == AVMEDIA_TYPE_VIDEO) {
-        buf = avfilter_get_video_buffer_ref_from_arrays(frame->data, frame->linesize,
-                                                        AV_PERM_READ,
-                                                        frame->width, frame->height,
-                                                        frame->format);
-    } else {
-        buf = avfilter_get_audio_buffer_ref_from_arrays(frame->extended_data,
-                                                        frame->linesize[0], AV_PERM_READ,
-                                                        frame->nb_samples,
-                                                        frame->format,
-                                                        frame->channel_layout);
-    }
-    if (!buf) {
-        ret = AVERROR(ENOMEM);
-        goto fail;
-    }
-
-    avfilter_copy_frame_props(buf, frame);
-    )
-
-    buf->buf->priv = frame;
-    buf->buf->free = compat_free_buffer;
-
-    *pbuf = buf;
-
-    return 0;
-fail:
-    av_frame_free(&frame);
-    return ret;
-}
-
-int attribute_align_arg av_buffersink_read(AVFilterContext *ctx, AVFilterBufferRef **buf)
-{
-    return compat_read(ctx, buf, 0, 0);
-}
-
-int attribute_align_arg av_buffersink_read_samples(AVFilterContext *ctx, AVFilterBufferRef **buf,
-                                                   int nb_samples)
-{
-    return compat_read(ctx, buf, nb_samples, 0);
-}
-
-int attribute_align_arg av_buffersink_get_buffer_ref(AVFilterContext *ctx,
-                                                     AVFilterBufferRef **bufref, int flags)
-{
-    *bufref = NULL;
-
-    av_assert0(    !strcmp(ctx->filter->name, "buffersink")
-                || !strcmp(ctx->filter->name, "abuffersink")
-                || !strcmp(ctx->filter->name, "ffbuffersink")
-                || !strcmp(ctx->filter->name, "ffabuffersink"));
-
-    return compat_read(ctx, bufref, 0, flags);
-}
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
-AVRational av_buffersink_get_frame_rate(AVFilterContext *ctx)
-{
-    av_assert0(   !strcmp(ctx->filter->name, "buffersink")
-               || !strcmp(ctx->filter->name, "ffbuffersink"));
-
-    return ctx->inputs[0]->frame_rate;
-}
-
-int attribute_align_arg av_buffersink_poll_frame(AVFilterContext *ctx)
-{
-    BufferSinkContext *buf = ctx->priv;
-    AVFilterLink *inlink = ctx->inputs[0];
-
-    av_assert0(   !strcmp(ctx->filter->name, "buffersink")
-               || !strcmp(ctx->filter->name, "abuffersink")
-               || !strcmp(ctx->filter->name, "ffbuffersink")
-               || !strcmp(ctx->filter->name, "ffabuffersink"));
-
-    return av_fifo_size(buf->fifo)/sizeof(AVFilterBufferRef *) + ff_poll_frame(inlink);
-}
-
-static av_cold int vsink_init(AVFilterContext *ctx, void *opaque)
-{
-    BufferSinkContext *buf = ctx->priv;
-    AVBufferSinkParams *params = opaque;
-    int ret;
-
-    if (params) {
-        if ((ret = av_opt_set_int_list(buf, "pix_fmts", params->pixel_fmts, AV_PIX_FMT_NONE, 0)) < 0)
-            return ret;
-    }
-
-    return common_init(ctx);
-}
-
-#define CHECK_LIST_SIZE(field) \
-        if (buf->field ## _size % sizeof(*buf->field)) { \
-            av_log(ctx, AV_LOG_ERROR, "Invalid size for " #field ": %d, " \
-                   "should be multiple of %d\n", \
-                   buf->field ## _size, (int)sizeof(*buf->field)); \
-            return AVERROR(EINVAL); \
-        }
-static int vsink_query_formats(AVFilterContext *ctx)
-{
-    BufferSinkContext *buf = ctx->priv;
-    AVFilterFormats *formats = NULL;
-    unsigned i;
-    int ret;
-
-    CHECK_LIST_SIZE(pixel_fmts)
-    if (buf->pixel_fmts_size) {
-        for (i = 0; i < NB_ITEMS(buf->pixel_fmts); i++)
-            if ((ret = ff_add_format(&formats, buf->pixel_fmts[i])) < 0) {
-                ff_formats_unref(&formats);
-                return ret;
-            }
-        ff_set_common_formats(ctx, formats);
-    } else {
-        ff_default_query_formats(ctx);
-    }
-
-    return 0;
-}
-
-static av_cold int asink_init(AVFilterContext *ctx, void *opaque)
-{
-    BufferSinkContext *buf = ctx->priv;
-    AVABufferSinkParams *params = opaque;
-    int ret;
-
-    if (params) {
-        if ((ret = av_opt_set_int_list(buf, "sample_fmts",     params->sample_fmts,  AV_SAMPLE_FMT_NONE, 0)) < 0 ||
-            (ret = av_opt_set_int_list(buf, "sample_rates",    params->sample_rates,    -1, 0)) < 0 ||
-            (ret = av_opt_set_int_list(buf, "channel_layouts", params->channel_layouts, -1, 0)) < 0 ||
-            (ret = av_opt_set_int_list(buf, "channel_counts",  params->channel_counts,  -1, 0)) < 0 ||
-            (ret = av_opt_set_int(buf, "all_channel_counts", params->all_channel_counts, 0)) < 0)
-            return ret;
-    }
-    return common_init(ctx);
-}
-
-static int asink_query_formats(AVFilterContext *ctx)
-{
-    BufferSinkContext *buf = ctx->priv;
-    AVFilterFormats *formats = NULL;
-    AVFilterChannelLayouts *layouts = NULL;
-    unsigned i;
-    int ret;
-
-    CHECK_LIST_SIZE(sample_fmts)
-    CHECK_LIST_SIZE(sample_rates)
-    CHECK_LIST_SIZE(channel_layouts)
-    CHECK_LIST_SIZE(channel_counts)
-
-    if (buf->sample_fmts_size) {
-        for (i = 0; i < NB_ITEMS(buf->sample_fmts); i++)
-            if ((ret = ff_add_format(&formats, buf->sample_fmts[i])) < 0) {
-                ff_formats_unref(&formats);
-                return ret;
-            }
-        ff_set_common_formats(ctx, formats);
-    }
-
-    if (buf->channel_layouts_size || buf->channel_counts_size ||
-        buf->all_channel_counts) {
-        for (i = 0; i < NB_ITEMS(buf->channel_layouts); i++)
-            if ((ret = ff_add_channel_layout(&layouts, buf->channel_layouts[i])) < 0) {
-                ff_channel_layouts_unref(&layouts);
-                return ret;
-            }
-        for (i = 0; i < NB_ITEMS(buf->channel_counts); i++)
-            if ((ret = ff_add_channel_layout(&layouts, FF_COUNT2LAYOUT(buf->channel_counts[i]))) < 0) {
-                ff_channel_layouts_unref(&layouts);
-                return ret;
-            }
-        if (buf->all_channel_counts) {
-            if (layouts)
-                av_log(ctx, AV_LOG_WARNING,
-                       "Conflicting all_channel_counts and list in options\n");
-            else if (!(layouts = ff_all_channel_counts()))
-                return AVERROR(ENOMEM);
-        }
-        ff_set_common_channel_layouts(ctx, layouts);
-    }
-
-    if (buf->sample_rates_size) {
-        formats = NULL;
-        for (i = 0; i < NB_ITEMS(buf->sample_rates); i++)
-            if ((ret = ff_add_format(&formats, buf->sample_rates[i])) < 0) {
-                ff_formats_unref(&formats);
-                return ret;
-            }
-        ff_set_common_samplerates(ctx, formats);
-    }
-
-    return 0;
-}
-
-#define OFFSET(x) offsetof(BufferSinkContext, x)
-#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
-static const AVOption buffersink_options[] = {
-    { "pix_fmts", "set the supported pixel formats", OFFSET(pixel_fmts), AV_OPT_TYPE_BINARY, .flags = FLAGS },
-    { NULL },
-};
-#undef FLAGS
-#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
-static const AVOption abuffersink_options[] = {
-    { "sample_fmts",     "set the supported sample formats",  OFFSET(sample_fmts),     AV_OPT_TYPE_BINARY, .flags = FLAGS },
-    { "sample_rates",    "set the supported sample rates",    OFFSET(sample_rates),    AV_OPT_TYPE_BINARY, .flags = FLAGS },
-    { "channel_layouts", "set the supported channel layouts", OFFSET(channel_layouts), AV_OPT_TYPE_BINARY, .flags = FLAGS },
-    { "channel_counts",  "set the supported channel counts",  OFFSET(channel_counts),  AV_OPT_TYPE_BINARY, .flags = FLAGS },
-    { "all_channel_counts", "accept all channel counts", OFFSET(all_channel_counts), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, FLAGS },
-    { NULL },
-};
-#undef FLAGS
-
-AVFILTER_DEFINE_CLASS(buffersink);
-AVFILTER_DEFINE_CLASS(abuffersink);
-
-#if FF_API_AVFILTERBUFFER
-
-#define ffbuffersink_options buffersink_options
-#define ffabuffersink_options abuffersink_options
-AVFILTER_DEFINE_CLASS(ffbuffersink);
-AVFILTER_DEFINE_CLASS(ffabuffersink);
-
-static const AVFilterPad ffbuffersink_inputs[] = {
-    {
-        .name      = "default",
-        .type      = AVMEDIA_TYPE_VIDEO,
-        .filter_frame = filter_frame,
-    },
-    { NULL },
-};
-
-AVFilter ff_vsink_ffbuffersink = {
-    .name      = "ffbuffersink",
-    .description = NULL_IF_CONFIG_SMALL("Buffer video frames, and make them available to the end of the filter graph."),
-    .priv_size = sizeof(BufferSinkContext),
-    .priv_class = &ffbuffersink_class,
-    .init_opaque = vsink_init,
-    .uninit    = uninit,
-
-    .query_formats = vsink_query_formats,
-    .inputs        = ffbuffersink_inputs,
-    .outputs       = NULL,
-};
-
-static const AVFilterPad ffabuffersink_inputs[] = {
-    {
-        .name           = "default",
-        .type           = AVMEDIA_TYPE_AUDIO,
-        .filter_frame   = filter_frame,
-    },
-    { NULL },
-};
-
-AVFilter ff_asink_ffabuffersink = {
-    .name      = "ffabuffersink",
-    .description = NULL_IF_CONFIG_SMALL("Buffer audio frames, and make them available to the end of the filter graph."),
-    .init_opaque = asink_init,
-    .uninit    = uninit,
-    .priv_size = sizeof(BufferSinkContext),
-    .priv_class = &ffabuffersink_class,
-    .query_formats = asink_query_formats,
-    .inputs        = ffabuffersink_inputs,
-    .outputs       = NULL,
-};
-#endif /* FF_API_AVFILTERBUFFER */
-
-static const AVFilterPad avfilter_vsink_buffer_inputs[] = {
-    {
-        .name         = "default",
-        .type         = AVMEDIA_TYPE_VIDEO,
-        .filter_frame = filter_frame,
-    },
-    { NULL }
-};
-
-AVFilter ff_vsink_buffer = {
-    .name        = "buffersink",
-    .description = NULL_IF_CONFIG_SMALL("Buffer video frames, and make them available to the end of the filter graph."),
-    .priv_size   = sizeof(BufferSinkContext),
-    .priv_class  = &buffersink_class,
-    .init_opaque = vsink_init,
-    .uninit      = uninit,
-
-    .query_formats = vsink_query_formats,
-    .inputs      = avfilter_vsink_buffer_inputs,
-    .outputs     = NULL,
-};
-
-static const AVFilterPad avfilter_asink_abuffer_inputs[] = {
-    {
-        .name         = "default",
-        .type         = AVMEDIA_TYPE_AUDIO,
-        .filter_frame = filter_frame,
-    },
-    { NULL }
-};
-
-AVFilter ff_asink_abuffer = {
-    .name        = "abuffersink",
-    .description = NULL_IF_CONFIG_SMALL("Buffer audio frames, and make them available to the end of the filter graph."),
-    .priv_class  = &abuffersink_class,
-    .priv_size   = sizeof(BufferSinkContext),
-    .init_opaque = asink_init,
-    .uninit      = uninit,
-
-    .query_formats = asink_query_formats,
-    .inputs      = avfilter_asink_abuffer_inputs,
-    .outputs     = NULL,
-};