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Diffstat (limited to 'ffmpeg/libavformat/avisynth.c')
-rw-r--r--ffmpeg/libavformat/avisynth.c444
1 files changed, 243 insertions, 201 deletions
diff --git a/ffmpeg/libavformat/avisynth.c b/ffmpeg/libavformat/avisynth.c
index d31031d..2f438d9 100644
--- a/ffmpeg/libavformat/avisynth.c
+++ b/ffmpeg/libavformat/avisynth.c
@@ -1,5 +1,5 @@
/*
- * Avi/AvxSynth support
+ * AviSynth/AvxSynth support
* Copyright (c) 2012 AvxSynth Team.
*
* This file is part of FFmpeg
@@ -18,72 +18,62 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "libavutil/internal.h"
+#include "libavcodec/internal.h"
#include "avformat.h"
#include "internal.h"
-#include "libavcodec/internal.h"
-// Enable function pointer definitions for runtime loading.
+/* Enable function pointer definitions for runtime loading. */
#define AVSC_NO_DECLSPEC
-// Shut up ffmpeg error messages.
-// avisynth_c.h contains inline functions that call these functions.
-#undef malloc
-#undef free
-#undef printf
-
-// Platform-specific directives for AviSynth vs AvxSynth.
+/* Platform-specific directives for AviSynth vs AvxSynth. */
#ifdef _WIN32
#include <windows.h>
#undef EXTERN_C
#include "compat/avisynth/avisynth_c.h"
+ #include "compat/avisynth/avisynth_c_25.h"
#define AVISYNTH_LIB "avisynth"
+ #define USING_AVISYNTH
#else
#include <dlfcn.h>
#include "compat/avisynth/avxsynth_c.h"
- #if defined (__APPLE__)
- #define AVISYNTH_LIB "libavxsynth.dylib"
- #else
- #define AVISYNTH_LIB "libavxsynth.so"
- #endif
+ #if defined (__APPLE__)
+ #define AVISYNTH_LIB "libavxsynth.dylib"
+ #else
+ #define AVISYNTH_LIB "libavxsynth.so"
+ #endif
#define LoadLibrary(x) dlopen(x, RTLD_NOW | RTLD_GLOBAL)
#define GetProcAddress dlsym
#define FreeLibrary dlclose
#endif
-// AvxSynth doesn't have these colorspaces, so disable them
-#ifndef _WIN32
-#define avs_is_yv24(vi) 0
-#define avs_is_yv16(vi) 0
-#define avs_is_yv411(vi) 0
-#define avs_is_y8(vi) 0
-#endif
-
-typedef struct {
+typedef struct AviSynthLibrary {
void *library;
-#define AVSC_DECLARE_FUNC(name) name##_func name
+#define AVSC_DECLARE_FUNC(name) name ## _func name
+ AVSC_DECLARE_FUNC(avs_bit_blt);
+ AVSC_DECLARE_FUNC(avs_clip_get_error);
AVSC_DECLARE_FUNC(avs_create_script_environment);
AVSC_DECLARE_FUNC(avs_delete_script_environment);
+ AVSC_DECLARE_FUNC(avs_get_audio);
AVSC_DECLARE_FUNC(avs_get_error);
- AVSC_DECLARE_FUNC(avs_clip_get_error);
- AVSC_DECLARE_FUNC(avs_invoke);
- AVSC_DECLARE_FUNC(avs_release_value);
+ AVSC_DECLARE_FUNC(avs_get_frame);
+ AVSC_DECLARE_FUNC(avs_get_version);
AVSC_DECLARE_FUNC(avs_get_video_info);
- AVSC_DECLARE_FUNC(avs_take_clip);
+ AVSC_DECLARE_FUNC(avs_invoke);
AVSC_DECLARE_FUNC(avs_release_clip);
- AVSC_DECLARE_FUNC(avs_bit_blt);
- AVSC_DECLARE_FUNC(avs_get_audio);
- AVSC_DECLARE_FUNC(avs_get_frame);
+ AVSC_DECLARE_FUNC(avs_release_value);
AVSC_DECLARE_FUNC(avs_release_video_frame);
+ AVSC_DECLARE_FUNC(avs_take_clip);
#undef AVSC_DECLARE_FUNC
} AviSynthLibrary;
-struct AviSynthContext {
+typedef struct AviSynthContext {
AVS_ScriptEnvironment *env;
AVS_Clip *clip;
const AVS_VideoInfo *vi;
- // avisynth_read_packet_video() iterates over this.
+ /* avisynth_read_packet_video() iterates over this. */
int n_planes;
const int *planes;
@@ -93,103 +83,96 @@ struct AviSynthContext {
int error;
- // Linked list pointers.
+ /* Linked list pointers. */
struct AviSynthContext *next;
-};
-typedef struct AviSynthContext AviSynthContext;
+} AviSynthContext;
-static const int avs_planes_packed[1] = {0};
-static const int avs_planes_grey[1] = {AVS_PLANAR_Y};
-static const int avs_planes_yuv[3] = {AVS_PLANAR_Y, AVS_PLANAR_U, AVS_PLANAR_V};
+static const int avs_planes_packed[1] = { 0 };
+static const int avs_planes_grey[1] = { AVS_PLANAR_Y };
+static const int avs_planes_yuv[3] = { AVS_PLANAR_Y, AVS_PLANAR_U,
+ AVS_PLANAR_V };
-// A conflict between C++ global objects, atexit, and dynamic loading requires
-// us to register our own atexit handler to prevent double freeing.
-static AviSynthLibrary *avs_library = NULL;
-static int avs_atexit_called = 0;
+/* A conflict between C++ global objects, atexit, and dynamic loading requires
+ * us to register our own atexit handler to prevent double freeing. */
+static AviSynthLibrary avs_library;
+static int avs_atexit_called = 0;
-// Linked list of AviSynthContexts. An atexit handler destroys this list.
+/* Linked list of AviSynthContexts. An atexit handler destroys this list. */
static AviSynthContext *avs_ctx_list = NULL;
static av_cold void avisynth_atexit_handler(void);
-static av_cold int avisynth_load_library(void) {
- avs_library = av_mallocz(sizeof(AviSynthLibrary));
- if (!avs_library)
+static av_cold int avisynth_load_library(void)
+{
+ avs_library.library = LoadLibrary(AVISYNTH_LIB);
+ if (!avs_library.library)
return AVERROR_UNKNOWN;
- avs_library->library = LoadLibrary(AVISYNTH_LIB);
- if (!avs_library->library)
- goto init_fail;
+#define LOAD_AVS_FUNC(name, continue_on_fail) \
+ avs_library.name = \
+ (void *)GetProcAddress(avs_library.library, #name); \
+ if (!continue_on_fail && !avs_library.name) \
+ goto fail;
-#define LOAD_AVS_FUNC(name, continue_on_fail) \
-{ \
- avs_library->name = (void*)GetProcAddress(avs_library->library, #name); \
- if(!continue_on_fail && !avs_library->name) \
- goto fail; \
-}
+ LOAD_AVS_FUNC(avs_bit_blt, 0);
+ LOAD_AVS_FUNC(avs_clip_get_error, 0);
LOAD_AVS_FUNC(avs_create_script_environment, 0);
LOAD_AVS_FUNC(avs_delete_script_environment, 0);
+ LOAD_AVS_FUNC(avs_get_audio, 0);
LOAD_AVS_FUNC(avs_get_error, 1); // New to AviSynth 2.6
- LOAD_AVS_FUNC(avs_clip_get_error, 0);
- LOAD_AVS_FUNC(avs_invoke, 0);
- LOAD_AVS_FUNC(avs_release_value, 0);
+ LOAD_AVS_FUNC(avs_get_frame, 0);
+ LOAD_AVS_FUNC(avs_get_version, 0);
LOAD_AVS_FUNC(avs_get_video_info, 0);
- LOAD_AVS_FUNC(avs_take_clip, 0);
+ LOAD_AVS_FUNC(avs_invoke, 0);
LOAD_AVS_FUNC(avs_release_clip, 0);
- LOAD_AVS_FUNC(avs_bit_blt, 0);
- LOAD_AVS_FUNC(avs_get_audio, 0);
- LOAD_AVS_FUNC(avs_get_frame, 0);
+ LOAD_AVS_FUNC(avs_release_value, 0);
LOAD_AVS_FUNC(avs_release_video_frame, 0);
+ LOAD_AVS_FUNC(avs_take_clip, 0);
#undef LOAD_AVS_FUNC
atexit(avisynth_atexit_handler);
return 0;
fail:
- FreeLibrary(avs_library->library);
-init_fail:
- av_freep(&avs_library);
+ FreeLibrary(avs_library.library);
return AVERROR_UNKNOWN;
}
-// Note that avisynth_context_create and avisynth_context_destroy
-// do not allocate or free the actual context! That is taken care of
-// by libavformat.
-static av_cold int avisynth_context_create(AVFormatContext *s) {
- AviSynthContext *avs = (AviSynthContext *)s->priv_data;
+/* Note that avisynth_context_create and avisynth_context_destroy
+ * do not allocate or free the actual context! That is taken care of
+ * by libavformat. */
+static av_cold int avisynth_context_create(AVFormatContext *s)
+{
+ AviSynthContext *avs = s->priv_data;
int ret;
- if (!avs_library) {
+ if (!avs_library.library)
if (ret = avisynth_load_library())
return ret;
- }
- if (!avs)
- return AVERROR_UNKNOWN;
+ avs->env = avs_library.avs_create_script_environment(3);
+ if (avs_library.avs_get_error) {
+ const char *error = avs_library.avs_get_error(avs->env);
+ if (error) {
+ av_log(s, AV_LOG_ERROR, "%s\n", error);
+ return AVERROR_UNKNOWN;
+ }
+ }
if (!avs_ctx_list) {
avs_ctx_list = avs;
} else {
- avs->next = avs_ctx_list;
+ avs->next = avs_ctx_list;
avs_ctx_list = avs;
}
- avs->env = avs_library->avs_create_script_environment(3);
- if (avs_library->avs_get_error) {
- const char *error = avs_library->avs_get_error(avs->env);
- if (error) {
- av_log(s, AV_LOG_ERROR, "%s\n", error);
- av_free(avs);
- return AVERROR_UNKNOWN;
- }
- }
-
return 0;
}
-static av_cold void avisynth_context_destroy(AviSynthContext *avs) {
+static av_cold void avisynth_context_destroy(AviSynthContext *avs)
+{
if (avs_atexit_called)
- return;
+ return;
if (avs == avs_ctx_list) {
avs_ctx_list = avs->next;
@@ -201,16 +184,17 @@ static av_cold void avisynth_context_destroy(AviSynthContext *avs) {
}
if (avs->clip) {
- avs_library->avs_release_clip(avs->clip);
+ avs_library.avs_release_clip(avs->clip);
avs->clip = NULL;
}
if (avs->env) {
- avs_library->avs_delete_script_environment(avs->env);
+ avs_library.avs_delete_script_environment(avs->env);
avs->env = NULL;
}
}
-static av_cold void avisynth_atexit_handler(void) {
+static av_cold void avisynth_atexit_handler(void)
+{
AviSynthContext *avs = avs_ctx_list;
while (avs) {
@@ -218,66 +202,69 @@ static av_cold void avisynth_atexit_handler(void) {
avisynth_context_destroy(avs);
avs = next;
}
- FreeLibrary(avs_library->library);
- av_freep(&avs_library);
+ FreeLibrary(avs_library.library);
avs_atexit_called = 1;
}
-// Create AVStream from audio and video data.
-static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st) {
+/* Create AVStream from audio and video data. */
+static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
+{
AviSynthContext *avs = s->priv_data;
int planar = 0; // 0: packed, 1: YUV, 2: Y8
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
- st->codec->codec_id = CODEC_ID_RAWVIDEO;
- st->codec->width = avs->vi->width;
- st->codec->height = avs->vi->height;
-
- st->time_base = (AVRational) {avs->vi->fps_denominator, avs->vi->fps_numerator};
- st->avg_frame_rate = (AVRational) {avs->vi->fps_numerator, avs->vi->fps_denominator};
- st->start_time = 0;
- st->duration = avs->vi->num_frames;
- st->nb_frames = avs->vi->num_frames;
+ st->codec->codec_id = AV_CODEC_ID_RAWVIDEO;
+ st->codec->width = avs->vi->width;
+ st->codec->height = avs->vi->height;
+
+ st->time_base = (AVRational) { avs->vi->fps_denominator,
+ avs->vi->fps_numerator };
+ st->avg_frame_rate = (AVRational) { avs->vi->fps_numerator,
+ avs->vi->fps_denominator };
+ st->start_time = 0;
+ st->duration = avs->vi->num_frames;
+ st->nb_frames = avs->vi->num_frames;
switch (avs->vi->pixel_type) {
-#ifdef _WIN32
+#ifdef USING_AVISYNTH
case AVS_CS_YV24:
- st->codec->pix_fmt = PIX_FMT_YUV444P;
- planar = 1;
+ st->codec->pix_fmt = AV_PIX_FMT_YUV444P;
+ planar = 1;
break;
case AVS_CS_YV16:
- st->codec->pix_fmt = PIX_FMT_YUV422P;
- planar = 1;
+ st->codec->pix_fmt = AV_PIX_FMT_YUV422P;
+ planar = 1;
break;
case AVS_CS_YV411:
- st->codec->pix_fmt = PIX_FMT_YUV411P;
- planar = 1;
+ st->codec->pix_fmt = AV_PIX_FMT_YUV411P;
+ planar = 1;
break;
case AVS_CS_Y8:
- st->codec->pix_fmt = PIX_FMT_GRAY8;
- planar = 2;
+ st->codec->pix_fmt = AV_PIX_FMT_GRAY8;
+ planar = 2;
break;
#endif
case AVS_CS_BGR24:
- st->codec->pix_fmt = PIX_FMT_RGB24;
+ st->codec->pix_fmt = AV_PIX_FMT_BGR24;
break;
case AVS_CS_BGR32:
- st->codec->pix_fmt = PIX_FMT_RGB32;
+ st->codec->pix_fmt = AV_PIX_FMT_RGB32;
break;
case AVS_CS_YUY2:
- st->codec->pix_fmt = PIX_FMT_YUYV422;
+ st->codec->pix_fmt = AV_PIX_FMT_YUYV422;
break;
case AVS_CS_YV12:
- st->codec->pix_fmt = PIX_FMT_YUV420P;
- planar = 1;
+ st->codec->pix_fmt = AV_PIX_FMT_YUV420P;
+ planar = 1;
break;
case AVS_CS_I420: // Is this even used anywhere?
- st->codec->pix_fmt = PIX_FMT_YUV420P;
- planar = 1;
+ st->codec->pix_fmt = AV_PIX_FMT_YUV420P;
+ planar = 1;
break;
default:
- av_log(s, AV_LOG_ERROR, "unknown AviSynth colorspace %d\n", avs->vi->pixel_type);
+ av_log(s, AV_LOG_ERROR,
+ "unknown AviSynth colorspace %d\n", avs->vi->pixel_type);
avs->error = 1;
return AVERROR_UNKNOWN;
}
@@ -285,52 +272,56 @@ static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st) {
switch (planar) {
case 2: // Y8
avs->n_planes = 1;
- avs->planes = avs_planes_grey;
+ avs->planes = avs_planes_grey;
break;
case 1: // YUV
avs->n_planes = 3;
- avs->planes = avs_planes_yuv;
+ avs->planes = avs_planes_yuv;
break;
default:
avs->n_planes = 1;
- avs->planes = avs_planes_packed;
+ avs->planes = avs_planes_packed;
}
return 0;
}
-static int avisynth_create_stream_audio(AVFormatContext *s, AVStream *st) {
+static int avisynth_create_stream_audio(AVFormatContext *s, AVStream *st)
+{
AviSynthContext *avs = s->priv_data;
- st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
+ st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->sample_rate = avs->vi->audio_samples_per_second;
- st->codec->channels = avs->vi->nchannels;
- st->time_base = (AVRational) {1, avs->vi->audio_samples_per_second};
+ st->codec->channels = avs->vi->nchannels;
+ st->time_base = (AVRational) { 1,
+ avs->vi->audio_samples_per_second };
switch (avs->vi->sample_type) {
case AVS_SAMPLE_INT8:
- st->codec->codec_id = CODEC_ID_PCM_U8;
+ st->codec->codec_id = AV_CODEC_ID_PCM_U8;
break;
case AVS_SAMPLE_INT16:
- st->codec->codec_id = CODEC_ID_PCM_S16LE;
+ st->codec->codec_id = AV_CODEC_ID_PCM_S16LE;
break;
case AVS_SAMPLE_INT24:
- st->codec->codec_id = CODEC_ID_PCM_S24LE;
+ st->codec->codec_id = AV_CODEC_ID_PCM_S24LE;
break;
case AVS_SAMPLE_INT32:
- st->codec->codec_id = CODEC_ID_PCM_S32LE;
+ st->codec->codec_id = AV_CODEC_ID_PCM_S32LE;
break;
case AVS_SAMPLE_FLOAT:
- st->codec->codec_id = CODEC_ID_PCM_F32LE;
+ st->codec->codec_id = AV_CODEC_ID_PCM_F32LE;
break;
default:
- av_log(s, AV_LOG_ERROR, "unknown AviSynth sample type %d\n", avs->vi->sample_type);
+ av_log(s, AV_LOG_ERROR,
+ "unknown AviSynth sample type %d\n", avs->vi->sample_type);
avs->error = 1;
return AVERROR_UNKNOWN;
}
return 0;
}
-static int avisynth_create_stream(AVFormatContext *s) {
+static int avisynth_create_stream(AVFormatContext *s)
+{
AviSynthContext *avs = s->priv_data;
AVStream *st;
int ret;
@@ -355,32 +346,45 @@ static int avisynth_create_stream(AVFormatContext *s) {
return 0;
}
-static int avisynth_open_file(AVFormatContext *s) {
- AviSynthContext *avs = (AviSynthContext *)s->priv_data;
+static int avisynth_open_file(AVFormatContext *s)
+{
+ AviSynthContext *avs = s->priv_data;
AVS_Value arg, val;
int ret;
+#ifdef USING_AVISYNTH
+ char filename_ansi[MAX_PATH * 4];
+ wchar_t filename_wc[MAX_PATH * 4];
+#endif
if (ret = avisynth_context_create(s))
return ret;
+#ifdef USING_AVISYNTH
+ /* Convert UTF-8 to ANSI code page */
+ MultiByteToWideChar(CP_UTF8, 0, s->filename, -1, filename_wc, MAX_PATH * 4);
+ WideCharToMultiByte(CP_THREAD_ACP, 0, filename_wc, -1, filename_ansi,
+ MAX_PATH * 4, NULL, NULL);
+ arg = avs_new_value_string(filename_ansi);
+#else
arg = avs_new_value_string(s->filename);
- val = avs_library->avs_invoke(avs->env, "Import", arg, 0);
+#endif
+ val = avs_library.avs_invoke(avs->env, "Import", arg, 0);
if (avs_is_error(val)) {
av_log(s, AV_LOG_ERROR, "%s\n", avs_as_error(val));
ret = AVERROR_UNKNOWN;
goto fail;
}
if (!avs_is_clip(val)) {
- av_log(s, AV_LOG_ERROR, "%s\n", "AviSynth script did not return a clip");
+ av_log(s, AV_LOG_ERROR, "AviSynth script did not return a clip\n");
ret = AVERROR_UNKNOWN;
goto fail;
}
- avs->clip = avs_library->avs_take_clip(val, avs->env);
- avs->vi = avs_library->avs_get_video_info(avs->clip);
+ avs->clip = avs_library.avs_take_clip(val, avs->env);
+ avs->vi = avs_library.avs_get_video_info(avs->clip);
- // Release the AVS_Value as it will go out of scope.
- avs_library->avs_release_value(val);
+ /* Release the AVS_Value as it will go out of scope. */
+ avs_library.avs_release_value(val);
if (ret = avisynth_create_stream(s))
goto fail;
@@ -392,7 +396,9 @@ fail:
return ret;
}
-static void avisynth_next_stream(AVFormatContext *s, AVStream **st, AVPacket *pkt, int *discard) {
+static void avisynth_next_stream(AVFormatContext *s, AVStream **st,
+ AVPacket *pkt, int *discard)
+{
AviSynthContext *avs = s->priv_data;
pkt->stream_index = avs->curr_stream++;
@@ -407,50 +413,59 @@ static void avisynth_next_stream(AVFormatContext *s, AVStream **st, AVPacket *pk
return;
}
-// Copy AviSynth clip data into an AVPacket.
-static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt, int discard) {
+/* Copy AviSynth clip data into an AVPacket. */
+static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt,
+ int discard)
+{
AviSynthContext *avs = s->priv_data;
AVS_VideoFrame *frame;
- unsigned char* dst_p;
- const unsigned char* src_p;
- int i, plane, rowsize, planeheight, pitch, bits;
- const char* error;
+ unsigned char *dst_p;
+ const unsigned char *src_p;
+ int n, i, plane, rowsize, planeheight, pitch, bits;
+ const char *error;
if (avs->curr_frame >= avs->vi->num_frames)
return AVERROR_EOF;
- // This must happen even if the stream is discarded to prevent desync.
- avs->curr_frame++;
+ /* This must happen even if the stream is discarded to prevent desync. */
+ n = avs->curr_frame++;
if (discard)
return 0;
- pkt->pts = avs->curr_frame;
- pkt->dts = avs->curr_frame;
+ pkt->pts = n;
+ pkt->dts = n;
pkt->duration = 1;
- // Define the bpp values for the new AviSynth 2.6 colorspaces
- if (avs_is_yv24(avs->vi)) {
+#ifdef USING_AVISYNTH
+ /* Define the bpp values for the new AviSynth 2.6 colorspaces.
+ * Since AvxSynth doesn't have these functions, special-case
+ * it in order to avoid implicit declaration errors. */
+
+ if (avs_is_yv24(avs->vi))
bits = 24;
- } else if (avs_is_yv16(avs->vi)) {
+ else if (avs_is_yv16(avs->vi))
bits = 16;
- } else if (avs_is_yv411(avs->vi)) {
+ else if (avs_is_yv411(avs->vi))
bits = 12;
- } else if (avs_is_y8(avs->vi)) {
+ else if (avs_is_y8(avs->vi))
bits = 8;
- } else {
+ else
+#endif
bits = avs_bits_per_pixel(avs->vi);
- }
- // Without cast to int64_t, calculation overflows at about 9k x 9k resolution.
- pkt->size = (((int64_t)avs->vi->width * (int64_t)avs->vi->height) * bits) / 8;
+ /* Without the cast to int64_t, calculation overflows at about 9k x 9k
+ * resolution. */
+ pkt->size = (((int64_t)avs->vi->width *
+ (int64_t)avs->vi->height) * bits) / 8;
if (!pkt->size)
return AVERROR_UNKNOWN;
- pkt->data = av_malloc(pkt->size);
- if (!pkt->data)
- return AVERROR_UNKNOWN;
+ if (av_new_packet(pkt, (int)pkt->size) < 0) {
+ av_free(pkt);
+ return AVERROR(ENOMEM);
+ }
- frame = avs_library->avs_get_frame(avs->clip, avs->curr_frame);
- error = avs_library->avs_clip_get_error(avs->clip);
+ frame = avs_library.avs_get_frame(avs->clip, n);
+ error = avs_library.avs_clip_get_error(avs->clip);
if (error) {
av_log(s, AV_LOG_ERROR, "%s\n", error);
avs->error = 1;
@@ -462,48 +477,64 @@ static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt, int dis
for (i = 0; i < avs->n_planes; i++) {
plane = avs->planes[i];
src_p = avs_get_read_ptr_p(frame, plane);
- rowsize = avs_get_row_size_p(frame, plane);
- planeheight = avs_get_height_p(frame, plane);
pitch = avs_get_pitch_p(frame, plane);
- // Flip RGB video.
+#ifdef USING_AVISYNTH
+ if (avs_library.avs_get_version(avs->clip) == 3) {
+ rowsize = avs_get_row_size_p_25(frame, plane);
+ planeheight = avs_get_height_p_25(frame, plane);
+ } else {
+ rowsize = avs_get_row_size_p(frame, plane);
+ planeheight = avs_get_height_p(frame, plane);
+ }
+#else
+ rowsize = avs_get_row_size_p(frame, plane);
+ planeheight = avs_get_height_p(frame, plane);
+#endif
+
+ /* Flip RGB video. */
if (avs_is_rgb24(avs->vi) || avs_is_rgb(avs->vi)) {
src_p = src_p + (planeheight - 1) * pitch;
pitch = -pitch;
}
- avs_library->avs_bit_blt(avs->env, dst_p, rowsize, src_p, pitch, rowsize, planeheight);
+ avs_library.avs_bit_blt(avs->env, dst_p, rowsize, src_p, pitch,
+ rowsize, planeheight);
dst_p += rowsize * planeheight;
}
- avs_library->avs_release_video_frame(frame);
+ avs_library.avs_release_video_frame(frame);
return 0;
}
-static int avisynth_read_packet_audio(AVFormatContext *s, AVPacket *pkt, int discard) {
+static int avisynth_read_packet_audio(AVFormatContext *s, AVPacket *pkt,
+ int discard)
+{
AviSynthContext *avs = s->priv_data;
AVRational fps, samplerate;
int samples;
- const char* error;
+ int64_t n;
+ const char *error;
if (avs->curr_sample >= avs->vi->num_audio_samples)
return AVERROR_EOF;
- fps.num = avs->vi->fps_numerator;
- fps.den = avs->vi->fps_denominator;
+ fps.num = avs->vi->fps_numerator;
+ fps.den = avs->vi->fps_denominator;
samplerate.num = avs->vi->audio_samples_per_second;
samplerate.den = 1;
if (avs_has_video(avs->vi)) {
if (avs->curr_frame < avs->vi->num_frames)
- samples = av_rescale_q(avs->curr_frame, samplerate, fps) - avs->curr_sample;
+ samples = av_rescale_q(avs->curr_frame, samplerate, fps) -
+ avs->curr_sample;
else
samples = av_rescale_q(1, samplerate, fps);
} else {
samples = 1000;
}
- // After seeking, audio may catch up with video.
+ /* After seeking, audio may catch up with video. */
if (samples <= 0) {
pkt->size = 0;
pkt->data = NULL;
@@ -513,24 +544,26 @@ static int avisynth_read_packet_audio(AVFormatContext *s, AVPacket *pkt, int dis
if (avs->curr_sample + samples > avs->vi->num_audio_samples)
samples = avs->vi->num_audio_samples - avs->curr_sample;
- // This must happen even if the stream is discarded to prevent desync.
+ /* This must happen even if the stream is discarded to prevent desync. */
+ n = avs->curr_sample;
avs->curr_sample += samples;
if (discard)
return 0;
- pkt->pts = avs->curr_sample;
- pkt->dts = avs->curr_sample;
+ pkt->pts = n;
+ pkt->dts = n;
pkt->duration = samples;
- pkt->size = avs_bytes_per_channel_sample(avs->vi) * samples * avs->vi->nchannels;
+ pkt->size = avs_bytes_per_channel_sample(avs->vi) *
+ samples * avs->vi->nchannels;
if (!pkt->size)
return AVERROR_UNKNOWN;
pkt->data = av_malloc(pkt->size);
if (!pkt->data)
- return AVERROR_UNKNOWN;
+ return AVERROR(ENOMEM);
- avs_library->avs_get_audio(avs->clip, pkt->data, avs->curr_sample, samples);
- error = avs_library->avs_clip_get_error(avs->clip);
+ avs_library.avs_get_audio(avs->clip, pkt->data, n, samples);
+ error = avs_library.avs_clip_get_error(avs->clip);
if (error) {
av_log(s, AV_LOG_ERROR, "%s\n", error);
avs->error = 1;
@@ -540,7 +573,8 @@ static int avisynth_read_packet_audio(AVFormatContext *s, AVPacket *pkt, int dis
return 0;
}
-static av_cold int avisynth_read_header(AVFormatContext *s) {
+static av_cold int avisynth_read_header(AVFormatContext *s)
+{
int ret;
// Calling library must implement a lock for thread-safe opens.
@@ -556,7 +590,8 @@ static av_cold int avisynth_read_header(AVFormatContext *s) {
return 0;
}
-static int avisynth_read_packet(AVFormatContext *s, AVPacket *pkt) {
+static int avisynth_read_packet(AVFormatContext *s, AVPacket *pkt)
+{
AviSynthContext *avs = s->priv_data;
AVStream *st;
int discard = 0;
@@ -565,9 +600,10 @@ static int avisynth_read_packet(AVFormatContext *s, AVPacket *pkt) {
if (avs->error)
return AVERROR_UNKNOWN;
- pkt->destruct = av_destruct_packet;
+ av_free_packet(pkt);
- // If either stream reaches EOF, try to read the other one before giving up.
+ /* If either stream reaches EOF, try to read the other one before
+ * giving up. */
avisynth_next_stream(s, &st, pkt, &discard);
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
ret = avisynth_read_packet_video(s, pkt, discard);
@@ -575,18 +611,19 @@ static int avisynth_read_packet(AVFormatContext *s, AVPacket *pkt) {
avisynth_next_stream(s, &st, pkt, &discard);
return avisynth_read_packet_audio(s, pkt, discard);
}
- return ret;
} else {
ret = avisynth_read_packet_audio(s, pkt, discard);
if (ret == AVERROR_EOF && avs_has_video(avs->vi)) {
avisynth_next_stream(s, &st, pkt, &discard);
return avisynth_read_packet_video(s, pkt, discard);
}
- return ret;
}
+
+ return ret;
}
-static av_cold int avisynth_read_close(AVFormatContext *s) {
+static av_cold int avisynth_read_close(AVFormatContext *s)
+{
if (avpriv_lock_avformat())
return AVERROR_UNKNOWN;
@@ -595,7 +632,9 @@ static av_cold int avisynth_read_close(AVFormatContext *s) {
return 0;
}
-static int avisynth_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags) {
+static int avisynth_read_seek(AVFormatContext *s, int stream_index,
+ int64_t timestamp, int flags)
+{
AviSynthContext *avs = s->priv_data;
AVStream *st;
AVRational fps, samplerate;
@@ -603,13 +642,16 @@ static int avisynth_read_seek(AVFormatContext *s, int stream_index, int64_t time
if (avs->error)
return AVERROR_UNKNOWN;
- fps = (AVRational) {avs->vi->fps_numerator, avs->vi->fps_denominator};
- samplerate = (AVRational) {avs->vi->audio_samples_per_second, 1};
+ fps = (AVRational) { avs->vi->fps_numerator,
+ avs->vi->fps_denominator };
+ samplerate = (AVRational) { avs->vi->audio_samples_per_second, 1 };
st = s->streams[stream_index];
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
- // AviSynth frame counts are signed int.
- if ((timestamp >= avs->vi->num_frames) || (timestamp > INT_MAX) || (timestamp < 0))
+ /* AviSynth frame counts are signed int. */
+ if ((timestamp >= avs->vi->num_frames) ||
+ (timestamp > INT_MAX) ||
+ (timestamp < 0))
return AVERROR_EOF;
avs->curr_frame = timestamp;
if (avs_has_audio(avs->vi))
@@ -617,9 +659,9 @@ static int avisynth_read_seek(AVFormatContext *s, int stream_index, int64_t time
} else {
if ((timestamp >= avs->vi->num_audio_samples) || (timestamp < 0))
return AVERROR_EOF;
- // Force frame granularity for seeking.
+ /* Force frame granularity for seeking. */
if (avs_has_video(avs->vi)) {
- avs->curr_frame = av_rescale_q(timestamp, fps, samplerate);
+ avs->curr_frame = av_rescale_q(timestamp, fps, samplerate);
avs->curr_sample = av_rescale_q(avs->curr_frame, samplerate, fps);
} else {
avs->curr_sample = timestamp;
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-06 13:42:34 +0000